/* ============================================
   BIRUTOTO 2026 - Landing Page CSS
   Theme: Black, Blue, Gold
   Mobile-First Responsive Design
   ============================================ */

/* CSS Variables */
:root {
    --black: #0a0a0a;
    --black-light: #1a1a2e;
    --black-medium: #16213e;
    --blue-dark: #0f3460;
    --blue: #1a73e8;
    --blue-light: #4a9eff;
    --blue-glow: #00d4ff;
    --gold: #ffd700;
    --gold-light: #ffe44d;
    --gold-dark: #b8960c;
    --white: #ffffff;
    --gray: #b0b0b0;
    --gray-dark: #2a2a3e;
    --text-primary: #ffffff;
    --text-secondary: #c0c0c0;
    --gradient-gold: linear-gradient(135deg, #ffd700, #ffaa00);
    --gradient-blue: linear-gradient(135deg, #1a73e8, #00d4ff);
    --gradient-dark: linear-gradient(180deg, #0a0a0a, #1a1a2e);
    --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.3);
    --shadow-blue: 0 0 20px rgba(26, 115, 232, 0.3);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--black);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 800;
}

.logo .b {
    color: var(--blue);
}

.logo .iru {
    color: var(--white);
}

.logo .toto {
    color: var(--gold);
}

.logo .year {
    font-size: 0.7em;
    color: var(--gold-light);
    margin-left: 5px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--gold);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--gold);
}

.nav-links a.active::after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--gold);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 20px 80px;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--gold);
    margin-bottom: 25px;
    animation: fadeInDown 0.8s ease;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero h1 .highlight-gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .highlight-blue {
    color: var(--blue-light);
    -webkit-text-fill-color: var(--blue-light);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.4s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-gold {
    background: var(--gradient-gold);
    color: var(--black);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--blue-light);
    border: 2px solid var(--blue);
}

.btn-outline:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-blue);
}

/* Floating Elements */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 60px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: 100px 0;
    background: var(--black-light);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(26, 115, 232, 0.1);
    border: 1px solid rgba(26, 115, 232, 0.3);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--blue-light);
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-desc {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--black-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 215, 0, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
    background: rgba(255, 215, 0, 0.1);
    color: var(--gold);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--white);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--black);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--black-medium);
    padding: 40px;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.about-image .logo-large {
    font-size: 4rem;
    font-weight: 900;
    text-align: center;
}

.about-content h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-list {
    margin: 30px 0;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--text-secondary);
}

.about-list li .check {
    color: var(--gold);
    font-size: 1.2rem;
}

/* ============================================
   LINK ALTERNATIF SECTION
   ============================================ */
.links-section {
    padding: 100px 0;
    background: var(--black-light);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--black-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 20px 25px;
    transition: var(--transition);
}

.link-card:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-gold);
    transform: translateY(-3px);
}

.link-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.link-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #00ff88;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.link-name {
    font-weight: 600;
    font-size: 1rem;
}

.link-url {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.link-btn {
    padding: 8px 20px;
    background: var(--gradient-gold);
    color: var(--black);
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.85rem;
}

.link-btn:hover {
    transform: scale(1.05);
}

/* ============================================
   ARTIKEL SEO SECTION
   ============================================ */
.articles {
    padding: 100px 0;
    background: var(--black);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background: var(--black-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.article-image {
    height: 200px;
    background: var(--black-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.article-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(transparent, var(--black-medium));
}

.article-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

.article-body {
    padding: 25px;
}

.article-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.article-body h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.article-body h3 a:hover {
    color: var(--gold);
}

.article-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-weight: 600;
    font-size: 0.9rem;
}

.read-more:hover {
    gap: 12px;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 100px 0;
    background: var(--black-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--black-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 30px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 5rem;
    color: var(--gold);
    opacity: 0.2;
    position: absolute;
    top: 10px;
    right: 20px;
    font-family: Georgia, serif;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--black);
}

.author-name {
    font-weight: 600;
}

.author-role {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stars {
    color: var(--gold);
    margin-top: 3px;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    padding: 100px 0;
    background: var(--black);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    margin-bottom: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active {
    border-color: rgba(255, 215, 0, 0.2);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    background: var(--black-medium);
    transition: var(--transition);
    font-weight: 600;
}

.faq-question:hover {
    background: rgba(26, 115, 232, 0.1);
}

.faq-arrow {
    transition: var(--transition);
    font-size: 1.2rem;
    color: var(--gold);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: var(--black-medium);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 25px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    padding: 100px 0;
    background: var(--black-medium);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 60px 0 30px;
    background: var(--black);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    color: var(--gold);
    font-size: 1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-col ul li a:hover {
    color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--black-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--gold);
    color: var(--black);
}

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-gold);
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
    box-shadow: var(--shadow-gold);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid var(--black-medium);
    border-top: 4px solid var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* Tablet */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--black-light);
        flex-direction: column;
        padding: 80px 30px 30px;
        transition: var(--transition);
        border-left: 1px solid rgba(255, 215, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .features-grid,
    .articles-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta h2 {
        font-size: 1.8rem;
    }

    .link-card {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 12px 28px;
        font-size: 0.9rem;
    }

    .container {
        padding: 0 15px;
    }
}

/* ============================================
   AMP PAGE STYLES
   ============================================ */
.amp-nav {
    background: rgba(10, 10, 10, 0.98);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.amp-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.amp-hero {
    padding: 80px 20px;
    text-align: center;
    background: var(--gradient-dark);
}

.amp-content {
    padding: 60px 20px;
}

.amp-content .container {
    max-width: 800px;
}

.amp-article {
    padding: 40px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.amp-article h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.amp-article .meta {
    color: var(--text-secondary);
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.amp-article p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.amp-article h2 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: var(--gold);
}

.amp-article ul {
    margin: 15px 0;
    padding-left: 20px;
}

.amp-article ul li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.7;
    list-style: disc;
}

/* ============================================
   SEO ARTICLE PAGE STYLES
   ============================================ */
.article-page {
    padding: 120px 0 80px;
    background: var(--black);
}

.article-page .container {
    max-width: 800px;
}

.article-header {
    text-align: center;
    margin-bottom: 50px;
}

.article-header h1 {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 20px;
}

.article-header .meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-content {
    background: var(--black-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 50px 40px;
}

.article-content h2 {
    font-size: 1.6rem;
    color: var(--gold);
    margin: 35px 0 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

.article-content h3 {
    font-size: 1.3rem;
    margin: 25px 0 10px;
}

.article-content p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 18px;
    font-size: 1.05rem;
}

.article-content ul, .article-content ol {
    margin: 15px 0;
    padding-left: 25px;
}

.article-content li {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.8;
}

.article-content ul li {
    list-style: disc;
}

.article-content ol li {
    list-style: decimal;
}

.article-content strong {
    color: var(--gold);
}

.article-content a {
    color: var(--blue-light);
    text-decoration: underline;
}

.article-content a:hover {
    color: var(--gold);
}

.article-content blockquote {
    border-left: 4px solid var(--gold);
    padding: 20px 25px;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 25px 0;
}

.article-content blockquote p {
    color: var(--text-primary);
    font-style: italic;
    margin: 0;
}

/* Table of Contents */
.toc {
    background: var(--black);
    border: 1px solid rgba(255, 215, 0, 0.1);
    border-radius: var(--radius);
    padding: 25px 30px;
    margin-bottom: 40px;
}

.toc h3 {
    color: var(--gold);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

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

.toc ul li {
    margin-bottom: 8px;
}

.toc ul li a {
    color: var(--blue-light);
    font-size: 0.95rem;
}

.toc ul li a:hover {
    color: var(--gold);
}

/* Sidebar Related */
.related-articles {
    margin-top: 60px;
}

.related-articles h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--gold);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.related-card {
    background: var(--black-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    padding: 25px;
    transition: var(--transition);
}

.related-card:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
}

.related-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.related-card h4 a:hover {
    color: var(--gold);
}

.related-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumb {
    padding: 20px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--blue-light);
}

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

.breadcrumb span {
    margin: 0 8px;
    opacity: 0.5;
}

/* ============================================
   ADSENSE / BANNER PLACEHOLDER
   ============================================ */
.ad-placeholder {
    background: var(--black-medium);
    border: 2px dashed rgba(255, 215, 0, 0.2);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    margin: 30px 0;
    font-size: 0.9rem;
}

/* ============================================
   PERFORMANCE & ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Dark mode scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--black);
}

::-webkit-scrollbar-thumb {
    background: var(--blue-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}