/* ============================================
   Promi Blick - Modern Editorial UI
   Clean, responsive, high-end magazine design
   ============================================ */

/* === Design System === */
:root {
    /* Colors - Refined neutral + accent */
    --color-bg: #fafafa;
    --color-bg-soft: #f1f5f9;
    --color-bg-elevated: #ffffff;
    --color-surface: #ffffff;

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    --color-text-inverse: #ffffff;

    --color-primary: #0f172a;
    --color-primary-hover: #1e293b;
    --color-primary-light: #f1f5f9;

    --color-accent: #c2410c;
    --color-accent-hover: #9a3412;
    --color-accent-light: #fff7ed;

    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-divider: #cbd5e1;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-card: 0 0 0 1px rgba(15, 23, 42, 0.04), 0 2px 4px rgba(15, 23, 42, 0.04);

    /* Spacing - 8px base */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    --container-max: 1200px;
    --container-narrow: 720px;
    --header-height: 72px;
    --safe-bottom: env(safe-area-inset-bottom, 0);
    --safe-top: env(safe-area-inset-top, 0);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: calc(-1 * (var(--header-height) + 2rem));
    left: var(--space-4);
    z-index: 9999;
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    transition: top var(--transition-base);
}
.skip-link:focus {
    top: var(--space-4);
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* === Page layout === */
.page-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: var(--font-extrabold); }
h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.375rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h5 { font-size: clamp(1.125rem, 1.75vw, 1.375rem); }
h6 {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-family: var(--font-sans);
    color: var(--color-text-secondary);
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

p:last-child { margin-bottom: 0; }

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

/* === Layout: Container & Sections === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 768px) {
    .container { padding-left: var(--space-6); padding-right: var(--space-6); }
}

@media (min-width: 1024px) {
    .container { padding-left: var(--space-8); padding-right: var(--space-8); }
}

.section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .section { padding-top: var(--space-16); padding-bottom: var(--space-16); }
}

.section-title {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

/* === Header - Centered magazine style === */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: var(--header-height);
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

@media (min-width: 992px) {
    .header-inner {
        flex-direction: column;
        justify-content: center;
        padding-top: var(--space-6);
        padding-bottom: var(--space-6);
        gap: var(--space-6);
    }
}

.brand {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: var(--font-extrabold);
    color: var(--color-text);
    letter-spacing: -0.03em;
    transition: color var(--transition-fast);
    order: 1;
}

@media (min-width: 992px) {
    .brand { order: 1; }
}

.navbar-toggler {
    order: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

@media (min-width: 992px) {
    .navbar-toggler { display: none; }
}

.navbar-toggler:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.navbar-toggler[aria-expanded="true"] {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.navbar-toggler-icon {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    box-shadow: 0 -6px 0 var(--color-text), 0 6px 0 var(--color-text);
}

.header-nav {
    order: 3;
    width: 100%;
}

@media (min-width: 992px) {
    .header-nav {
        width: auto;
        order: 2;
        display: block !important; /* override Bootstrap collapse on desktop */
    }
}

.nav-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

@media (min-width: 992px) {
    .nav-menu {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: var(--space-2);
    }
}

.nav-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
    text-align: center;
}

@media (min-width: 992px) {
    .nav-link {
        padding: var(--space-2) var(--space-5);
    }
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* === Hero (Home) - Full-bleed === */
.hero-full {
    position: relative;
    width: 100%;
    min-height: clamp(420px, 70vh, 620px);
    overflow: hidden;
    background: var(--color-bg-soft);
}

.hero-full-image {
    position: absolute;
    inset: 0;
}

.hero-full-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease-out;
}

.hero-full:hover .hero-full-image img {
    transform: scale(1.03);
}

.hero-full-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(15, 23, 42, 0.2) 0%,
        rgba(15, 23, 42, 0.5) 50%,
        rgba(15, 23, 42, 0.92) 100%
    );
    display: flex;
    align-items: flex-end;
    z-index: 1;
}

.hero-full-content {
    width: 100%;
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
    animation: fadeInUp 0.5s ease-out 0.15s both;
}

@media (min-width: 768px) {
    .hero-full-content { padding-bottom: var(--space-16); }
}

.hero-full-content .category-pill {
    margin-bottom: var(--space-3);
}

.hero-full-content h1 {
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
    max-width: 20ch;
}

.hero-full-content p {
    color: rgba(255, 255, 255, 0.92);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
    max-width: 52ch;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Category strip === */
.category-strip {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) 0;
}

.category-strip .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
}

.category-strip-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.category-strip-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.category-strip-links a {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    background: var(--color-bg-soft);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.category-strip-links a:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* === Section heading === */
.section-heading {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

/* === Featured row (2 large cards) === */
.featured-section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .featured-section { padding-top: var(--space-16); padding-bottom: var(--space-16); }
}

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

@media (min-width: 768px) {
    .featured-row { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
}

.featured-card {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.featured-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.featured-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.featured-card-image {
    aspect-ratio: 16 / 11;
    overflow: hidden;
    background: var(--color-bg-soft);
}

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

.featured-card:hover .featured-card-image img {
    transform: scale(1.05);
}

.featured-card-body {
    padding: var(--space-6);
}

.featured-card-body .category-pill {
    margin-bottom: var(--space-3);
}

.featured-card-body h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.featured-card-body h3 a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.featured-card-body h3 a:hover {
    color: var(--color-primary);
}

.featured-card-body p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-card-cta {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.featured-card:hover .featured-card-cta {
    color: var(--color-accent-hover);
}

/* === More stories grid === */
.stories-section {
    padding-top: 0;
    padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .stories-section { padding-bottom: var(--space-24); }
}

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

@media (min-width: 640px) {
    .stories-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .stories-grid { grid-template-columns: repeat(3, 1fr); }
}

.story-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.story-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border);
}

.story-card-image-link {
    display: block;
    flex-shrink: 0;
}

.story-card-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-bg-soft);
}

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

.story-card:hover .story-card-image img {
    transform: scale(1.04);
}

.story-card-body {
    padding: var(--space-5);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.story-card-body .category-pill {
    margin-bottom: var(--space-2);
}

.story-card-body h4 {
    font-size: clamp(1rem, 1.25vw, 1.125rem);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.story-card-body h4 a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.story-card-body h4 a:hover {
    color: var(--color-primary);
}

.story-card-body p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Legacy hero (keep for any other pages) */
.hero-section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-12);
}

.hero-large {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--color-bg-soft);
    box-shadow: var(--shadow-card);
}

.hero-large img {
    width: 100%;
    height: clamp(380px, 60vh, 560px);
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease-out;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(15, 23, 42, 0.4) 40%,
        rgba(15, 23, 42, 0.85) 100%
    );
    display: flex;
    align-items: flex-end;
    padding: var(--space-8);
    z-index: 1;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-sans);
    text-decoration: none;
    white-space: nowrap;
}

.hero-overlay .btn,
.btn-hero {
    background: var(--color-accent);
    color: var(--color-text-inverse);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
}

.hero-full-content .btn-hero {
    margin-top: var(--space-2);
}

.hero-overlay .btn:hover,
.btn-hero:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    color: var(--color-text-inverse);
}

/* === Category pill === */
.category-pill {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-3);
    font-family: var(--font-sans);
    transition: background var(--transition-fast);
}
.category-pill:hover {
    background: var(--color-accent-hover);
    color: var(--color-text-inverse);
}

/* === Main content layout (home) === */
.main-content-section {
    padding-top: 0;
    padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .main-content-section { padding-bottom: var(--space-24); }
}

.layout-with-sidebar {
    display: grid;
    gap: var(--space-10);
}

@media (min-width: 992px) {
    .layout-with-sidebar {
        grid-template-columns: 1fr 320px;
        gap: var(--space-12);
        align-items: start;
    }
}

/* === Post cards grid === */
.posts-grid {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .posts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.post-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.post-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.post-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg-soft);
}

.post-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-smooth);
}
.post-card:hover img { transform: scale(1.04); }

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

.post-card-body .category-pill {
    margin-bottom: var(--space-3);
}

.post-card-body h5 {
    margin: 0 0 var(--space-2);
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    line-height: var(--leading-snug);
}

.post-card-body h5 a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}
.post-card-body h5 a:hover { color: var(--color-primary); }

.post-card-body p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    margin-bottom: 0;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* === Sidebar === */
.sidebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-card);
}

@media (min-width: 992px) {
    .sidebar { position: sticky; top: calc(var(--header-height) + var(--space-6)); }
}

.sidebar-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar ul li {
    margin-bottom: var(--space-2);
}

.sidebar ul li:last-child { margin-bottom: 0; }

.sidebar ul li a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.sidebar ul li a::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.sidebar ul li a:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.sidebar ul li a:hover::before { opacity: 1; }

/* === Article page === */
.article-hero {
    height: clamp(320px, 45vh, 480px);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    position: relative;
    margin-bottom: var(--space-12);
    background: var(--color-bg-soft);
}

.article-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease-out;
}
.article-hero:hover img { transform: scale(1.02); }

.article-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.5) 100%
    );
    z-index: 1;
}

.article-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: var(--color-text-inverse);
    z-index: 2;
    padding: var(--space-8);
    max-width: 100%;
    animation: fadeInUp 0.5s ease-out 0.2s both;
}

@media (min-width: 768px) {
    .article-hero-content { padding: var(--space-12); }
}

.article-hero-content h1 {
    color: var(--color-text-inverse);
    margin-top: var(--space-3);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.article-meta {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--space-3);
    font-weight: var(--font-medium);
}

/* Article content wrapper */
.article-content-wrapper {
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
    padding-bottom: var(--space-16);
}

.article-wrapper {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    box-shadow: var(--shadow-card);
}

@media (min-width: 768px) {
    .article-wrapper { padding: var(--space-10); }
}

.article-wrapper p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
}

.article-wrapper h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.article-wrapper h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.section-divider {
    height: 2px;
    width: 48px;
    background: var(--color-accent);
    margin: var(--space-8) 0;
    border-radius: var(--radius-full);
}

.tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-soft);
    color: var(--color-text);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    margin-right: var(--space-2);
    margin-bottom: var(--space-2);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}
.tag:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

/* === Footer === */
.footer {
    background: var(--color-text);
    color: var(--color-text-inverse);
    padding: var(--space-16) 0 var(--space-10);
    margin-top: auto;
    padding-bottom: calc(var(--space-10) + var(--safe-bottom));
}

.footer-grid {
    display: grid;
    gap: var(--space-10);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--space-12);
    }
}

.footer-brand h5 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 2.5vw, 1.75rem);
    color: var(--color-text-inverse);
    margin-bottom: var(--space-3);
    font-weight: var(--font-extrabold);
}

.footer-brand p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.75);
    line-height: var(--leading-relaxed);
    margin-bottom: 0;
    max-width: 320px;
}

.footer h6 {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-4);
    font-family: var(--font-sans);
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer ul li { margin-bottom: var(--space-2); }

.footer ul li a {
    color: rgba(255, 255, 255, 0.75);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}
.footer ul li a:hover { color: var(--color-accent); }

.footer-description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0;
    line-height: var(--leading-relaxed);
}

.footer-bottom {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom .small {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* === Back to top === */
.back-to-top {
    position: fixed;
    right: var(--space-4);
    bottom: calc(var(--space-4) + var(--safe-bottom));
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text-inverse);
    font-size: 1.25rem;
    font-weight: var(--font-bold);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* === Responsive tweaks === */
@media (max-width: 767.98px) {
    .hero-overlay { padding: var(--space-6); }
    .posts-grid { gap: var(--space-6); }
    .article-wrapper { padding: var(--space-5); border-radius: var(--radius-xl); }
    .sidebar { margin-top: 0; }
    .back-to-top { right: var(--space-4); bottom: var(--space-4); width: 44px; height: 44px; }
    .article-hero-content { padding: var(--space-6); }
    .footer { padding: var(--space-12) 0 var(--space-8); }
}

/* === Bootstrap overrides (minimal) === */
.navbar-collapse {
    flex-grow: 0;
}
@media (max-width: 991.98px) {
    .navbar-collapse {
        width: 100%;
        flex-basis: 100%;
    }
}

/* === Accessibility === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* === Print === */
@media print {
    .header, .footer, .back-to-top, .sidebar, .skip-link { display: none !important; }
    body { background: #fff; color: #000; }
    .article-wrapper { box-shadow: none; border: 1px solid #ddd; }
}