/* ============================================================
   TPRO Portal de Ajuda — Design System
   Fontes: Mona Sans (alinhado ao site tpro.com.br)
   Brand: #0c1e21 (primary), #4BBACE (secondary), #FFC60A (accent)
   ============================================================ */

/* ---- Google Fonts — Mona Sans ---- */
@import url('https://fonts.googleapis.com/css2?family=Mona+Sans:ital,wght@0,200..900;1,200..900&display=swap');

/* ---- CSS Variables / Design Tokens ---- */
:root {
    /* Brand Colors — alinhado ao site-tpro */
    --primary: #0c1e21;
    --primary-light: #162e33;
    --primary-dark: #071318;
    --primary-rgb: 12, 30, 33;

    --secondary: #4BBACE;
    --secondary-light: #6fcbdb;
    --secondary-dark: #30ACB5;
    --secondary-rgb: 75, 186, 206;

    --accent: #FFC60A;
    --accent-light: #FFD23E;
    --accent-dark: #e0ad00;
    --accent-rgb: 255, 198, 10;

    /* Paleta site-tpro */
    --tpro-heading: #0c1e21;
    --tpro-body: #42484e;
    --tpro-body-2: #67787a;
    --tpro-bg: #ecf0f0;
    --tpro-bg-2: #cee0e0;
    --tpro-dark: #3C3E40;
    --tpro-border: #c9d1d1;

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F4F7F8;
    --gray-100: #ecf0f0;
    --gray-200: #c9d1d1;
    --gray-300: #a9b8b8;
    --gray-400: #67787a;
    --gray-500: #42484e;
    --gray-600: #2D3E46;
    --gray-700: #18292c;
    --gray-800: #0c1e21;
    --gray-900: #071318;

    /* Semantic */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* Background */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-100);
    --bg-tertiary: #cee0e0;
    --bg-card: var(--white);
    --bg-header: var(--primary);

    /* Text */
    --text-primary: var(--gray-800);
    --text-secondary: var(--gray-500);
    --text-tertiary: var(--gray-400);
    --text-inverse: var(--white);
    --text-link: var(--secondary-dark);

    /* Borders */
    --border-color: var(--gray-200);
    --border-light: #dde5e5;

    /* Radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(var(--primary-rgb), 0.05);
    --shadow-sm: 0 1px 4px rgba(var(--primary-rgb), 0.07), 0 1px 2px rgba(var(--primary-rgb), 0.04);
    --shadow-md: 0 4px 10px -1px rgba(var(--primary-rgb), 0.08), 0 2px 4px -2px rgba(var(--primary-rgb), 0.04);
    --shadow-lg: 0 10px 20px -3px rgba(var(--primary-rgb), 0.1), 0 4px 8px -4px rgba(var(--primary-rgb), 0.05);
    --shadow-xl: 0 20px 30px -5px rgba(var(--primary-rgb), 0.12), 0 8px 12px -6px rgba(var(--primary-rgb), 0.05);
    --shadow-2xl: 0 28px 56px -12px rgba(var(--primary-rgb), 0.2);
    --shadow-glow: 0 0 24px rgba(var(--secondary-rgb), 0.3);

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;

    /* Typography — Mona Sans (igual ao site-tpro) */
    --font-family: 'Mona Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Mona Sans', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Font weights — alinhados ao site-tpro */
    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;
    --fw-black: 900;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Layout */
    --max-width: 1200px;
    --header-height: 68px;
    --sidebar-width: 280px;
}

/* ---- Dark Mode ---- */
[data-theme="dark"] {
    --bg-primary: #0c1e21;
    --bg-secondary: #11272c;
    --bg-tertiary: #162e33;
    --bg-card: #132830;
    --bg-header: #071318;

    --text-primary: #e8f0f1;
    --text-secondary: #8aa4a8;
    --text-tertiary: #5e7a7d;
    --text-link: var(--secondary);

    --border-color: #1d3c42;
    --border-light: #132830;

    --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 30px rgba(0, 0, 0, 0.45);

    --gray-50: #11272c;
    --gray-100: #162e33;
    --gray-200: #1d3c42;
    --tpro-bg: #0f2227;
}

/* ---- Reset ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: var(--fw-regular);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Scrollbar customizada — igual ao site-tpro */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) var(--bg-secondary);
}

::-webkit-scrollbar {
    width: 6px;
    height: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary);
    border-radius: 3px;
}

::-webkit-scrollbar-corner {
    background: transparent;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* ---- Typography — estilo Mona Sans / site-tpro ---- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: var(--fw-medium);
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin-top: 0;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.1;
}

h2 {
    font-size: 1.875rem;
    line-height: 1.15;
}

h3 {
    font-size: 1.5rem;
    line-height: 1.25;
}

h4 {
    font-size: 1.25rem;
    line-height: 1.3;
}

h5 {
    font-size: 1.1rem;
    line-height: 1.4;
}

h6 {
    font-size: 1rem;
    line-height: 1.5;
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.75;
    font-weight: var(--fw-regular);
}

/* ---- Container ---- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-narrow {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ============================================================
   HEADER
   ============================================================ */

.header {
    background: var(--bg-header);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-4);
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--white);
    font-weight: var(--fw-extrabold);
    font-size: 1.2rem;
    letter-spacing: -0.04em;
    flex-shrink: 0;
}

.header-logo svg {
    height: 34px;
    width: auto;
}

.header-logo .logo-wordmark {
    display: flex;
    flex-direction: column;
    gap: 1px;
    line-height: 1;
}

.header-logo .logo-name {
    font-size: 1.1rem;
    font-weight: var(--fw-black);
    letter-spacing: -0.04em;
    color: var(--white);
}

.header-logo .logo-badge {
    background: var(--secondary);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: var(--fw-bold);
    padding: 2px 7px;
    border-radius: var(--radius-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    width: fit-content;
}

/* Navigation */
.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex: 1;
    justify-content: center;
}

.header-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    font-weight: var(--fw-medium);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    letter-spacing: -0.01em;
}

.header-nav a:hover,
.header-nav a.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.header-nav a.nav-highlight {
    color: var(--secondary);
}

.header-nav a.nav-highlight:hover {
    background: rgba(var(--secondary-rgb), 0.15);
    color: var(--secondary-light);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

/* Dark Mode Toggle */
.theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.65);
    transition: all var(--transition-fast);
    background: transparent;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    color: var(--white);
    border-radius: var(--radius-md);
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu-content {
    background: var(--bg-primary);
    width: 85%;
    max-width: 360px;
    height: 100%;
    margin-left: auto;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    animation: slideInRight 0.3s ease;
    border-left: 1px solid var(--border-color);
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: flex-end;
    color: var(--text-primary);
    border-radius: var(--radius-md);
}

.mobile-menu-close:hover {
    background: var(--gray-100);
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mobile-menu-nav a {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: var(--fw-medium);
    font-size: 1rem;
    letter-spacing: -0.01em;
    transition: background var(--transition-fast);
}

.mobile-menu-nav a:hover {
    background: var(--gray-100);
}

/* ============================================================
   BLOG HERO — Compacto e editorial
   ============================================================ */

.blog-hero {
    background: var(--primary);
    background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 60%, #1a3a40 100%);
    position: relative;
    overflow: hidden;
    padding: var(--space-12) 0 var(--space-16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Keep .hero class for backwards compat */
.hero {
    background: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1a3a40 100%);
    position: relative;
    overflow: hidden;
    padding: var(--space-20) 0 calc(var(--space-20) + 30px);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(var(--secondary-rgb), 0.14) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 100%, rgba(var(--accent-rgb), 0.07) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--bg-secondary), transparent);
    pointer-events: none;
}

/* Dot pattern — blog hero */
.blog-hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

/* Keep legacy */
.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.blog-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.blog-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(var(--secondary-rgb), 0.12);
    border: 1px solid rgba(var(--secondary-rgb), 0.28);
    color: var(--secondary);
    font-size: 0.72rem;
    font-weight: var(--fw-bold);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
    animation: fadeInDown 0.6s ease;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.blog-hero-content h1 {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: var(--fw-black);
    margin-bottom: var(--space-3);
    letter-spacing: -0.04em;
    animation: fadeInDown 0.6s ease 0.1s both;
    line-height: 1.1;
}

.blog-hero-content h1 span {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero-content p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    margin-bottom: var(--space-6);
    animation: fadeInDown 0.6s ease 0.2s both;
    font-weight: var(--fw-regular);
    letter-spacing: -0.01em;
}

.blog-hero-search {
    animation: fadeInUp 0.6s ease 0.3s both;
    margin-bottom: var(--space-5);
}

.blog-hero-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.blog-hero-tags span {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.78rem;
    font-weight: var(--fw-medium);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(var(--secondary-rgb), 0.12);
    border: 1px solid rgba(var(--secondary-rgb), 0.28);
    color: var(--secondary);
    font-size: 0.78rem;
    font-weight: var(--fw-semibold);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    animation: fadeInDown 0.6s ease;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.hero h1 {
    color: var(--white);
    font-size: 3.2rem;
    font-weight: var(--fw-black);
    margin-bottom: var(--space-4);
    letter-spacing: -0.04em;
    animation: fadeInDown 0.6s ease 0.1s both;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1.15rem;
    margin-bottom: var(--space-8);
    animation: fadeInDown 0.6s ease 0.2s both;
    font-weight: var(--fw-regular);
    letter-spacing: -0.01em;
}

/* ============================================================
   BLOG PAGE LAYOUT (2 colunas — main + sidebar)
   ============================================================ */

.blog-page-layout {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-10) var(--space-6) var(--space-16);
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-10);
    align-items: start;
}

.blog-main-col {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-10);
}

/* ---- Blog Section Label ---- */
.blog-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.blog-section-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.72rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--secondary-dark);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-light);
    position: relative;
}

.blog-section-label::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
}

/* ============================================================
   HERO POST CARD — Artigo destaque grande
   ============================================================ */

.hero-post-card {
    display: block;
    border-radius: var(--radius-xl);
    overflow: hidden;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    box-shadow: var(--shadow-lg);
}

.hero-post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.hero-post-image {
    position: relative;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.hero-post-emoji {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    font-size: 5rem;
    opacity: 0.2;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.hero-post-card:hover .hero-post-emoji {
    transform: translate(-50%, -60%) scale(1.15) rotate(-8deg);
    opacity: 0.28;
}

.hero-post-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
}

.hero-post-category {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: var(--secondary);
    color: var(--primary);
    font-size: 0.68rem;
    font-weight: var(--fw-bold);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    z-index: 2;
}

.hero-post-info {
    position: relative;
    z-index: 2;
    padding: var(--space-6) var(--space-8);
}

.hero-post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.6);
}

.hero-post-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.hero-post-title {
    color: var(--white);
    font-size: 1.85rem;
    font-weight: var(--fw-bold);
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-3);
    transition: color var(--transition-fast);
}

.hero-post-card:hover .hero-post-title {
    color: var(--secondary-light);
}

.hero-post-excerpt {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: var(--space-5);
    margin-top: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-post-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary);
    font-size: 0.85rem;
    font-weight: var(--fw-semibold);
    letter-spacing: -0.01em;
    transition: gap var(--transition-fast);
}

.hero-post-card:hover .hero-post-cta {
    gap: var(--space-3);
}

/* ============================================================
   POST GRID CARDS — Artigos secundários (2x2)
   ============================================================ */

.post-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    position: relative;
}

.post-card:hover {
    border-color: rgba(var(--secondary-rgb), 0.3);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.post-card-thumb {
    position: relative;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.post-card-emoji {
    font-size: 2.2rem;
    opacity: 0.35;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.post-card:hover .post-card-emoji {
    transform: scale(1.15) rotate(-6deg);
    opacity: 0.45;
}

.post-card-tag {
    position: absolute;
    bottom: var(--space-2);
    left: var(--space-3);
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.65rem;
    font-weight: var(--fw-bold);
    padding: 3px 9px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.post-card-body {
    padding: var(--space-4) var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--space-2);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
}

.post-card-dot {
    opacity: 0.5;
}

.post-card-title {
    font-size: 0.98rem;
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    line-height: 1.4;
    letter-spacing: -0.025em;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

.post-card:hover .post-card-title {
    color: var(--secondary-dark);
}

.post-card-excerpt {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.post-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-3);
    margin-top: auto;
    border-top: 1px solid var(--border-light);
}

.post-card-read {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.77rem;
    font-weight: var(--fw-semibold);
    color: var(--secondary-dark);
    transition: gap var(--transition-fast);
}

.post-card:hover .post-card-read {
    gap: 7px;
}

.post-card-views {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    color: var(--text-tertiary);
}

/* ============================================================
   POST LIST — Artigos em lista (horizontal)
   ============================================================ */

.post-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.post-list-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.post-list-item:last-child {
    border-bottom: none;
}

.post-list-item:hover {
    background: rgba(var(--secondary-rgb), 0.04);
    padding-left: calc(var(--space-5) + 4px);
}

.post-list-emoji {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 36px;
    text-align: center;
}

.post-list-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.post-list-title {
    font-size: 0.9rem;
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    transition: color var(--transition-fast);
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-list-item:hover .post-list-title {
    color: var(--secondary-dark);
}

.post-list-meta {
    font-size: 0.73rem;
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
}

.post-list-item svg {
    color: var(--gray-300);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.post-list-item:hover svg {
    color: var(--secondary);
    transform: translateX(3px);
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.blog-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    align-self: start;
}

.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.sidebar-widget-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    font-size: 0.72rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

/* Sidebar Categories */
.sidebar-categories {
    display: flex;
    flex-direction: column;
}

.sidebar-cat-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.sidebar-cat-item:last-child {
    border-bottom: none;
}

.sidebar-cat-item:hover {
    background: rgba(var(--secondary-rgb), 0.05);
    color: var(--secondary-dark);
    padding-left: calc(var(--space-4) + 4px);
}

.sidebar-cat-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: rgba(var(--secondary-rgb), 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.sidebar-cat-icon svg {
    width: 16px;
    height: 16px;
}

.sidebar-cat-item:hover .sidebar-cat-icon {
    background: var(--secondary);
    color: var(--white);
}

.sidebar-cat-name {
    flex: 1;
    font-weight: var(--fw-medium);
    letter-spacing: -0.015em;
}

.sidebar-cat-count {
    background: var(--gray-100);
    color: var(--text-tertiary);
    font-size: 0.7rem;
    font-weight: var(--fw-bold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    min-width: 28px;
    text-align: center;
}

/* Sidebar Tags */
.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
}

.sidebar-tag {
    display: inline-flex;
    padding: 5px 12px;
    background: var(--gray-50);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: var(--fw-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    letter-spacing: -0.01em;
}

.sidebar-tag:hover {
    background: rgba(var(--secondary-rgb), 0.08);
    border-color: rgba(var(--secondary-rgb), 0.3);
    color: var(--secondary-dark);
    transform: translateY(-1px);
}

/* Sidebar Stats */
.sidebar-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-color);
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.sidebar-stat {
    background: var(--bg-card);
    padding: var(--space-4) var(--space-3);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-stat-number {
    font-size: 1.3rem;
    font-weight: var(--fw-black);
    color: var(--secondary-dark);
    letter-spacing: -0.04em;
    line-height: 1;
}

.sidebar-stat-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.3;
}

/* Sidebar Help CTA */
.sidebar-help {
    padding: var(--space-6);
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
}

.sidebar-help-icon {
    font-size: 2rem;
    margin-bottom: var(--space-3);
}

.sidebar-help h3 {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: var(--space-2);
    letter-spacing: -0.025em;
}

.sidebar-help p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

/* Search Bar (Hero) */
.search-container {
    position: relative;
    max-width: 640px;
    margin: 0 auto var(--space-6);
    animation: fadeInUp 0.6s ease 0.3s both;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper .search-icon {
    position: absolute;
    left: 20px;
    color: var(--gray-400);
    pointer-events: none;
    z-index: 2;
    transition: color var(--transition-fast);
}

.search-input {
    width: 100%;
    padding: 18px 60px 18px 56px;
    font-size: 1rem;
    font-family: var(--font-family);
    font-weight: var(--fw-regular);
    border: 2px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.07);
    color: var(--white);
    outline: none;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    letter-spacing: -0.01em;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.38);
}

.search-input:focus {
    background: var(--white);
    color: var(--text-primary);
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(var(--secondary-rgb), 0.2), var(--shadow-xl);
}

.search-input:focus::placeholder {
    color: var(--gray-400);
}

.search-input:focus~.search-btn {
    background: var(--secondary);
    color: var(--primary);
}

.search-btn {
    position: absolute;
    right: 8px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.search-btn:hover {
    background: var(--secondary);
    color: var(--primary);
    transform: scale(1.05);
}

/* Search Dropdown */
.search-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    z-index: 50;
    display: none;
    animation: fadeInUp 0.2s ease;
}

.search-dropdown.active {
    display: block;
}

.search-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    transition: background var(--transition-fast);
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
}

.search-dropdown-item:last-child {
    border-bottom: none;
}

.search-dropdown-item:hover,
.search-dropdown-item.active {
    background: rgba(var(--secondary-rgb), 0.07);
}

.search-dropdown-item .item-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    flex-shrink: 0;
}

.search-dropdown-item .item-content {
    flex: 1;
    min-width: 0;
}

.search-dropdown-item .item-title {
    font-size: 0.9rem;
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-dropdown-item .item-category {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.search-dropdown-footer {
    padding: var(--space-3) var(--space-4);
    background: var(--gray-50);
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.search-dropdown-footer a {
    color: var(--secondary);
    font-weight: var(--fw-medium);
}

/* Popular Searches */
.popular-searches {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.popular-searches span {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.82rem;
    font-weight: var(--fw-medium);
}

.popular-tag {
    display: inline-flex;
    padding: 5px 14px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    font-weight: var(--fw-medium);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.popular-tag:hover {
    background: rgba(var(--secondary-rgb), 0.18);
    border-color: rgba(var(--secondary-rgb), 0.38);
    color: var(--secondary);
    transform: translateY(-2px);
}

/* ============================================================
   SECTION BASE
   ============================================================ */

.section {
    padding: var(--space-16) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.section-header h2 {
    font-size: 1.875rem;
    margin-bottom: var(--space-3);
    letter-spacing: -0.03em;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    font-weight: var(--fw-regular);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--secondary-dark);
    font-size: 0.78rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-3);
}

.section-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--secondary);
    border-radius: 2px;
}

/* ============================================================
   CATEGORIES GRID
   ============================================================ */

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.category-card:hover {
    border-color: rgba(var(--secondary-rgb), 0.28);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(var(--secondary-rgb), 0.1), rgba(var(--secondary-rgb), 0.04));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.category-card:hover .category-card-icon {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    transform: scale(1.08) rotate(-4deg);
}

.category-card-body {
    flex: 1;
    min-width: 0;
}

.category-card-title {
    font-size: 0.95rem;
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    transition: color var(--transition-fast);
    letter-spacing: -0.02em;
}

.category-card:hover .category-card-title {
    color: var(--secondary-dark);
}

.category-card-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.category-card-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.category-card-arrow {
    color: var(--gray-300);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    margin-top: 2px;
}

.category-card:hover .category-card-arrow {
    color: var(--secondary);
    transform: translateX(4px);
}

/* ============================================================
   BLOG CARDS — novo estilo editorial
   ============================================================ */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.blog-grid.blog-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.blog-grid.blog-featured {
    grid-template-columns: 2fr 1fr;
}

/* Blog Card */
.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    position: relative;
    group: true;
}

.blog-card:hover {
    border-color: rgba(var(--secondary-rgb), 0.25);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

/* Card Image */
.blog-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    flex-shrink: 0;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.06);
}

/* Gradient placeholder when no image */
.blog-card-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    opacity: 0.4;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image-placeholder {
    transform: scale(1.1) rotate(-5deg);
}

/* Category badge on image */
.blog-card-category {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    background: var(--secondary);
    color: var(--primary);
    font-size: 0.7rem;
    font-weight: var(--fw-bold);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.blog-card:hover .blog-card-category {
    background: var(--accent);
}

/* Card Body */
.blog-card-body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
    font-weight: var(--fw-medium);
}

.blog-card-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.blog-card-title {
    font-size: 1.05rem;
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    line-height: 1.35;
    letter-spacing: -0.025em;
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card:hover .blog-card-title {
    color: var(--secondary-dark);
}

.blog-card-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    margin-top: var(--space-4);
    border-top: 1px solid var(--border-light);
}

.blog-card-read-more {
    font-size: 0.8rem;
    font-weight: var(--fw-semibold);
    color: var(--secondary-dark);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-fast);
}

.blog-card:hover .blog-card-read-more {
    color: var(--secondary);
    gap: 8px;
}

.blog-card-views {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Blog Card — Horizontal (lista) */
.blog-card-horizontal {
    flex-direction: row;
    align-items: stretch;
}

.blog-card-horizontal .blog-card-image {
    width: 180px;
    aspect-ratio: auto;
    flex-shrink: 0;
    border-radius: 0;
}

.blog-card-horizontal .blog-card-body {
    padding: var(--space-4);
}

.blog-card-horizontal .blog-card-title {
    font-size: 0.95rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 22px;
    font-size: 0.875rem;
    font-weight: var(--fw-semibold);
    font-family: var(--font-family);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
    border: none;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--secondary);
    color: var(--primary);
}

.btn-primary:hover {
    background: var(--secondary-light);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(var(--secondary-rgb), 0.25);
}

.btn-secondary {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-dark {
    background: var(--primary);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--primary-light);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background: var(--accent);
    color: var(--primary);
}

.btn-accent:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    background: var(--gray-50);
    color: var(--text-primary);
    border-color: var(--gray-300);
}

.btn-outline {
    background: transparent;
    color: var(--secondary-dark);
    border: 1.5px solid var(--secondary);
}

.btn-outline:hover {
    background: var(--secondary);
    color: var(--primary);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 30px;
    font-size: 1rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    font-size: 0.82rem;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    font-weight: var(--fw-medium);
}

.breadcrumb a:hover {
    color: var(--secondary);
}

.breadcrumb .separator {
    color: var(--text-tertiary);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: var(--fw-medium);
}

/* ============================================================
   ARTICLE LIST
   ============================================================ */

.article-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.article-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.article-item:hover {
    border-color: rgba(var(--secondary-rgb), 0.28);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.article-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    flex-shrink: 0;
}

.article-item-body {
    flex: 1;
    min-width: 0;
}

.article-item-title {
    font-size: 0.95rem;
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    margin-bottom: 2px;
    transition: color var(--transition-fast);
    letter-spacing: -0.02em;
}

.article-item:hover .article-item-title {
    color: var(--secondary-dark);
}

.article-item-summary {
    font-size: 0.82rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.article-item-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.article-item-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.article-item-arrow {
    color: var(--gray-300);
    transition: all var(--transition-fast);
}

.article-item:hover .article-item-arrow {
    color: var(--secondary);
    transform: translateX(3px);
}

/* ============================================================
   FEATURED ARTICLES
   ============================================================ */

.featured-list {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.featured-header {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-light);
    font-weight: var(--fw-semibold);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.featured-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-5);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-fast);
    letter-spacing: -0.01em;
}

.featured-item:last-child {
    border-bottom: none;
}

.featured-item:hover {
    background: rgba(var(--secondary-rgb), 0.05);
    color: var(--secondary-dark);
}

.featured-item svg {
    color: var(--gray-300);
    transition: transform var(--transition-fast);
}

.featured-item:hover svg {
    transform: translateX(3px);
    color: var(--secondary);
}

/* ============================================================
   ARTICLE PAGE — Tipografia Editorial
   ============================================================ */

.article-layout {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: var(--space-10);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6) var(--space-16);
}

.article-content {
    min-width: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-10);
}

.article-header {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-light);
}

.article-header h1 {
    font-size: 2.1rem;
    margin-bottom: var(--space-4);
    letter-spacing: -0.035em;
    font-weight: var(--fw-bold);
    line-height: 1.15;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.article-meta-item svg {
    color: var(--text-tertiary);
}

/* Article Body — tipografia editorial */
.article-body h2 {
    font-size: 1.55rem;
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-light);
    letter-spacing: -0.03em;
    font-weight: var(--fw-semibold);
}

.article-body h3 {
    font-size: 1.25rem;
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
    letter-spacing: -0.025em;
    font-weight: var(--fw-semibold);
}

.article-body h4 {
    font-size: 1.1rem;
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
    font-weight: var(--fw-medium);
}

.article-body p {
    margin-bottom: var(--space-4);
    line-height: 1.85;
    font-size: 1rem;
    color: var(--text-secondary);
}

.article-body ul,
.article-body ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: var(--space-2);
    line-height: 1.75;
    color: var(--text-secondary);
}

.article-body li.checklist {
    list-style: none;
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-left: calc(var(--space-6) * -1);
}

.article-body a {
    color: var(--secondary-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    font-weight: var(--fw-medium);
    transition: color var(--transition-fast);
}

.article-body a:hover {
    color: var(--secondary);
}

.article-body strong {
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
}

.article-body em {
    font-style: italic;
}

.article-body hr {
    border: none;
    height: 1px;
    background: var(--border-light);
    margin: var(--space-8) 0;
}

/* Table of Contents (Sidebar) */
.toc-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    max-height: calc(100vh - var(--header-height) - var(--space-12));
    overflow-y: auto;
}

.toc-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.toc-title {
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.toc-item {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: 0.82rem;
    color: var(--text-secondary);
    border-radius: var(--radius-xs);
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.toc-item:hover {
    color: var(--secondary);
    background: rgba(var(--secondary-rgb), 0.06);
}

.toc-item.active {
    color: var(--secondary);
    border-left-color: var(--secondary);
    background: rgba(var(--secondary-rgb), 0.08);
    font-weight: var(--fw-medium);
}

.toc-item.level-3 {
    padding-left: var(--space-6);
    font-size: 0.78rem;
}

.toc-item.level-4 {
    padding-left: var(--space-8);
    font-size: 0.75rem;
}

/* Callout Blocks */
.callout {
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-5);
    border-left: 4px solid;
}

.callout-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: var(--fw-semibold);
    font-size: 0.88rem;
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
}

.callout-body {
    font-size: 0.9rem;
    line-height: 1.7;
}

.callout-body p {
    margin-bottom: 0;
}

.callout-tip {
    background: rgba(var(--secondary-rgb), 0.08);
    border-color: var(--secondary);
    color: var(--secondary-dark);
}

.callout-tip .callout-header {
    color: var(--secondary-dark);
}

.callout-warning {
    background: rgba(var(--accent-rgb), 0.1);
    border-color: var(--accent);
    color: var(--accent-dark);
}

.callout-warning .callout-header {
    color: var(--accent-dark);
}

.callout-important {
    background: rgba(239, 68, 68, 0.08);
    border-color: var(--error);
    color: #b91c1c;
}

.callout-important .callout-header {
    color: #b91c1c;
}

[data-theme="dark"] .callout-tip {
    background: rgba(var(--secondary-rgb), 0.12);
}

[data-theme="dark"] .callout-warning {
    background: rgba(var(--accent-rgb), 0.12);
}

[data-theme="dark"] .callout-important {
    background: rgba(239, 68, 68, 0.12);
}

/* Code Blocks */
.code-block {
    position: relative;
    margin-bottom: var(--space-5);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-block pre {
    background: var(--primary-dark);
    color: #e2e8f0;
    padding: var(--space-5);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    margin: 0;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: inherit;
}

.code-lang {
    position: absolute;
    top: 8px;
    right: 50px;
    font-size: 0.68rem;
    font-weight: var(--fw-semibold);
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-family: var(--font-family);
}

.code-copy {
    position: absolute;
    top: 8px;
    right: 10px;
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    color: var(--gray-400);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.code-copy:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.inline-code {
    background: var(--gray-100);
    color: var(--secondary-dark);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    font-family: var(--font-mono);
    font-size: 0.85em;
    font-weight: var(--fw-medium);
}

[data-theme="dark"] .inline-code {
    background: var(--gray-100);
    color: var(--secondary);
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.table-wrapper table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table-wrapper th {
    background: var(--gray-50);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: var(--fw-semibold);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-color);
}

.table-wrapper td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.table-wrapper tr:last-child td {
    border-bottom: none;
}

.table-wrapper tr:hover td {
    background: rgba(var(--secondary-rgb), 0.04);
}

/* Feedback Widget */
.feedback-widget {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    margin-top: var(--space-8);
    border: 1px solid var(--border-light);
}

.feedback-widget h3 {
    font-size: 1.05rem;
    margin-bottom: var(--space-4);
    letter-spacing: -0.025em;
}

.feedback-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.feedback-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: var(--fw-medium);
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    font-family: var(--font-family);
}

.feedback-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feedback-btn.yes:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.feedback-btn.no:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.feedback-btn.active.yes {
    background: var(--success);
    color: var(--white);
    border-color: var(--success);
}

.feedback-btn.active.no {
    background: var(--error);
    color: var(--white);
    border-color: var(--error);
}

.feedback-thanks {
    display: none;
    color: var(--success);
    font-weight: var(--fw-medium);
    font-size: 0.95rem;
    animation: fadeInUp 0.3s ease;
}

.feedback-thanks.active {
    display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.65);
    padding: var(--space-16) 0 var(--space-6);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    margin-bottom: var(--space-10);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    color: var(--white);
    font-weight: var(--fw-extrabold);
    font-size: 1.2rem;
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    letter-spacing: -0.04em;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.85rem;
    line-height: 1.75;
    margin: 0;
    font-weight: var(--fw-regular);
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.8rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-4);
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.85rem;
    padding: 5px 0;
    transition: color var(--transition-fast);
    font-weight: var(--fw-regular);
}

.footer-col a:hover {
    color: var(--secondary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-6);
    padding-left: var(--space-6);
    padding-right: var(--space-6);
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.35);
    font-weight: var(--fw-regular);
}

/* ============================================================
   FAQ
   ============================================================ */

.faq-group {
    margin-bottom: var(--space-8);
}

.faq-group-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.05rem;
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-light);
    letter-spacing: -0.025em;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-item:hover {
    border-color: rgba(var(--secondary-rgb), 0.28);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    cursor: pointer;
    font-weight: var(--fw-medium);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: color var(--transition-fast);
    user-select: none;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-family: var(--font-family);
    letter-spacing: -0.02em;
}

.faq-question:hover {
    color: var(--secondary);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--text-tertiary);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--secondary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-answer-inner {
    padding: 0 var(--space-5) var(--space-5);
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: var(--fw-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

.pagination a:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background: rgba(var(--secondary-rgb), 0.06);
}

.pagination .active {
    background: var(--secondary);
    color: var(--primary);
    border-color: var(--secondary);
    font-weight: var(--fw-semibold);
}

.pagination .disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ============================================================
   FILTER TABS
   ============================================================ */

.filter-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    padding: var(--space-1);
    background: var(--gray-100);
    border-radius: var(--radius-md);
    width: fit-content;
}

.filter-tab {
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--font-family);
    letter-spacing: -0.01em;
}

.filter-tab:hover {
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
    font-weight: var(--fw-semibold);
}

/* ============================================================
   CTA / HELP SECTION
   ============================================================ */

.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-12) var(--space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin: var(--space-8) 0;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(var(--secondary-rgb), 0.15), transparent 70%);
    pointer-events: none;
}

.cta-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.cta-section h2 {
    color: var(--white);
    font-size: 1.875rem;
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
    letter-spacing: -0.035em;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
    font-weight: var(--fw-regular);
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

/* ============================================================
   STATS STRIP
   ============================================================ */

.stats-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
    padding: var(--space-6) 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-card);
    animation: fadeInUp 0.6s ease 0.5s both;
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: var(--fw-black);
    color: var(--secondary-dark);
    letter-spacing: -0.04em;
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ============================================================
   FLOATING CONTACT WIDGET
   ============================================================ */

.floating-widget {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 90;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl), 0 0 24px rgba(var(--secondary-rgb), 0.3);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.floating-btn:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: var(--shadow-2xl), 0 0 32px rgba(var(--secondary-rgb), 0.4);
}

.floating-menu {
    position: absolute;
    bottom: calc(100% + var(--space-3));
    right: 0;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--border-color);
    width: 280px;
    padding: var(--space-4);
    display: none;
    animation: fadeInUp 0.3s ease;
}

.floating-menu.active {
    display: block;
}

.floating-menu-title {
    font-weight: var(--fw-semibold);
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-light);
    letter-spacing: -0.02em;
}

.floating-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: var(--fw-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    letter-spacing: -0.01em;
}

.floating-menu-item:hover {
    background: rgba(var(--secondary-rgb), 0.08);
    color: var(--secondary);
}

.floating-menu-item .fm-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.floating-menu-item .fm-icon.whatsapp {
    background: #dcf8c6;
    color: #25d366;
}

.floating-menu-item .fm-icon.email {
    background: #e3f2fd;
    color: #2196f3;
}

.floating-menu-item .fm-icon.phone {
    background: #fff3e0;
    color: #ff9800;
}

.floating-menu-item .fm-icon.ticket {
    background: rgba(var(--secondary-rgb), 0.1);
    color: var(--secondary);
}

/* ============================================================
   404 PAGE
   ============================================================ */

.error-page {
    text-align: center;
    padding: var(--space-20) 0;
}

.error-page h1 {
    font-size: 6rem;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    font-weight: var(--fw-black);
}

.error-page h2 {
    margin-bottom: var(--space-4);
}

.error-page p {
    margin-bottom: var(--space-8);
    font-size: 1.1rem;
}

/* ============================================================
   TAG / BADGE COMPONENTS
   ============================================================ */

.tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag-primary {
    background: rgba(var(--secondary-rgb), 0.1);
    color: var(--secondary-dark);
}

.tag-accent {
    background: rgba(var(--accent-rgb), 0.15);
    color: var(--accent-dark);
}

.tag-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.tag-neutral {
    background: var(--gray-100);
    color: var(--gray-500);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }

    to {
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: all 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-50) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-grid.blog-featured {
        grid-template-columns: 1fr;
    }

    /* Blog layout */
    .blog-page-layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .blog-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .sidebar-help {
        grid-column: 1 / -1;
    }

    .article-layout {
        grid-template-columns: 1fr;
    }

    .toc-sidebar {
        position: static;
        max-height: none;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .stats-strip {
        gap: var(--space-6);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .hero {
        padding: var(--space-16) 0 calc(var(--space-16) + 20px);
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1rem;
    }

    /* Blog hero */
    .blog-hero {
        padding: var(--space-8) 0 var(--space-12);
    }

    .blog-hero-content h1 {
        font-size: 1.85rem;
    }

    /* Blog layout */
    .blog-page-layout {
        padding: var(--space-6) var(--space-4) var(--space-10);
    }

    .blog-sidebar {
        grid-template-columns: 1fr;
    }

    .hero-post-image {
        min-height: 300px;
    }

    .hero-post-title {
        font-size: 1.4rem;
    }

    .hero-post-info {
        padding: var(--space-5);
    }

    .post-grid {
        grid-template-columns: 1fr;
    }

    .header-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .btn-primary.header-cta,
    .btn-secondary.header-cta {
        display: none;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-grid.blog-grid-2 {
        grid-template-columns: 1fr;
    }

    .blog-card-horizontal {
        flex-direction: column;
    }

    .blog-card-horizontal .blog-card-image {
        width: 100%;
    }

    .article-content {
        padding: var(--space-6);
    }

    .article-header h1 {
        font-size: 1.65rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .footer-brand {
        max-width: 100%;
    }

    .stats-strip {
        flex-wrap: wrap;
        gap: var(--space-5);
    }

    .cta-section {
        padding: var(--space-8) var(--space-5);
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .search-input {
        padding: 15px 52px 15px 48px;
        font-size: 0.95rem;
    }

    .article-layout {
        padding: 0 var(--space-4) var(--space-12);
    }
}

/* ============================================================
   COVER IMAGE — Hero card, Post cards, Article banner
   ============================================================ */

/* Image fills the hero-post-image container */
.hero-post-cover-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Image fills post-card-thumb */
.post-card-cover-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Article page — full-width cover banner */
.article-cover-banner {
    position: relative;
    width: 100%;
    aspect-ratio: 21/9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-lg);
}

.article-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.article-cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.25) 100%);
    pointer-events: none;
}

/* Slight spacing tweak when cover is present */
.article-header--has-cover {
    padding-top: 0;
}

@media (max-width: 768px) {
    .article-cover-banner {
        aspect-ratio: 16/9;
        border-radius: var(--radius-lg);
    }
}