* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #e94560;
    --accent-gold: #d4af37;
    --bg-color: #fafbfc;
    --card-bg: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #5a6c7d;
    --text-light: #8e94a0;
    --border-color: #e8eaed;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.2);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: var(--transition);
    display: inline-flex;
    align-items: baseline;
}

.nav.scrolled .nav-logo {
    color: var(--primary-color);
}

.nav-logo span {
    display: inline-block;
    transition: all 0.3s ease;
}

.nav-logo .logo-t {
    font-size: 2.2rem;
    background: linear-gradient(135deg, #fff 0%, #f0e6d2 50%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    transform: translateY(-2px);
}

.nav.scrolled .nav-logo .logo-t {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo .logo-i,
.nav-logo .logo-i2 {
    position: relative;
    color: var(--accent-gold);
}

.nav-logo .logo-i::before,
.nav-logo .logo-i2::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(233, 69, 96, 0.6);
}

.nav-logo .logo-a {
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
}

.nav.scrolled .nav-logo .logo-a {
    color: var(--text-primary);
}

.nav-logo .logo-n {
    color: rgba(255, 255, 255, 0.95);
}

.nav.scrolled .nav-logo .logo-n {
    color: var(--text-primary);
}

.nav-logo .logo-s {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.nav-logo .logo-y {
    background: linear-gradient(135deg, var(--accent-gold), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: translateY(1px);
}

.nav.scrolled .nav-logo .logo-y {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo .logo-u {
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
}

.nav.scrolled .nav-logo .logo-u {
    color: var(--text-primary);
}

.nav-logo:hover span {
    transform: translateY(-3px);
}

.nav-logo:hover .logo-t {
    transform: translateY(-5px);
}

.nav-logo:hover .logo-y {
    transform: translateY(-2px);
}

.nav-menu {
    display: flex;
    gap: 3.5rem;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 1.35rem;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 0.75rem 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav.scrolled .nav-menu a {
    color: var(--text-secondary);
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-gold));
    transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(233, 69, 96, 0.5);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(212, 175, 55, 0.1));
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #fff;
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.nav.scrolled .nav-menu a:hover,
.nav.scrolled .nav-menu a.active {
    color: var(--primary-color);
    text-shadow: none;
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 100%;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    opacity: 1;
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.nav.scrolled .nav-mobile-toggle span {
    background: var(--primary-color);
}

/* ===== Hero Banner ===== */
.hero-banner {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, 
            rgba(26, 26, 46, 0.92) 0%, 
            rgba(22, 33, 62, 0.88) 50%,
            rgba(233, 69, 96, 0.75) 100%
        );
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(233, 69, 96, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 100px, rgba(255,255,255,0.02) 100px, rgba(255,255,255,0.02) 101px),
        repeating-linear-gradient(0deg, transparent, transparent 100px, rgba(255,255,255,0.02) 100px, rgba(255,255,255,0.02) 101px);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 15s infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 35%; top: 30%; animation-delay: 4s; animation-duration: 14s; }
.particle:nth-child(4) { left: 50%; top: 70%; animation-delay: 1s; animation-duration: 16s; }
.particle:nth-child(5) { left: 65%; top: 40%; animation-delay: 3s; animation-duration: 13s; }
.particle:nth-child(6) { left: 75%; top: 80%; animation-delay: 5s; animation-duration: 17s; }
.particle:nth-child(7) { left: 85%; top: 25%; animation-delay: 2.5s; animation-duration: 15s; }
.particle:nth-child(8) { left: 90%; top: 55%; animation-delay: 4.5s; animation-duration: 19s; }

@keyframes float {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    10% { opacity: 1; }
    90% { opacity: 1; }
    50% { 
        transform: translate(-100px, -200px) scale(1.5);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-greeting {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-gold);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.3s;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.6s;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .highlight-light {
    background: linear-gradient(135deg, #ffffff, #f0e6d2, var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.75);
    font-weight: 300;
    margin-bottom: 3rem;
    line-height: 1.8;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.9s;
}

.hero-tags {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1.2s;
}

.hero-tag {
    padding: 0.75rem 1.75rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    color: #fff;
    font-weight: 500;
    transition: var(--transition);
}

.hero-tag:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1.5s;
}

.btn {
    padding: 1.125rem 2.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: none;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--accent-color), #ff6b6b);
    color: #fff;
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.4);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(233, 69, 96, 0.5);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1.8s;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Section Styles ===== */
.section {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-color);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== Explore Section ===== */
.explore-section {
    position: relative;
    overflow: hidden;
}

.explore-bg-liquid {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, #e0aaff 0%, #9d4edd 100%);
    background-size: 200% 200%;
    animation: liquidGradient 4000s linear infinite;
    filter: url(#liquid-flow);
    pointer-events: none;
    z-index: 0;
}

.explore-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.85);
    pointer-events: none;
    z-index: 1;
}

.explore-section .container {
    position: relative;
    z-index: 2;
}

@keyframes liquidGradient {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

.explore-section .section-title {
    color: #7b2cbf;
}

.explore-section .section-label {
    color: #9d4edd;
}

.explore-section .section-desc {
    color: #555;
}

.explore-section .quick-link-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.explore-section .quick-link-title {
    color: #9d4edd;
}

.explore-section .quick-link-desc {
    color: #5a5a5a;
}

/* ===== About Section ===== */
.about-section {
    background: 
        linear-gradient(135deg, 
            rgba(0, 60, 110, 0.98) 0%, 
            rgba(0, 90, 150, 0.96) 15%,
            rgba(0, 120, 180, 0.94) 30%,
            rgba(0, 150, 210, 0.92) 50%,
            rgba(0, 180, 230, 0.9) 70%,
            rgba(0, 140, 200, 0.93) 85%,
            rgba(0, 100, 160, 0.96) 100%
        ),
        linear-gradient(45deg, 
            rgba(0, 200, 255, 0.5) 0%, 
            rgba(0, 220, 255, 0.4) 20%,
            rgba(72, 230, 255, 0.35) 40%,
            rgba(0, 210, 250, 0.45) 60%,
            rgba(0, 190, 240, 0.5) 80%,
            rgba(0, 170, 230, 0.45) 100%
        );
    animation: oceanColorShift 8s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(ellipse 140% 100% at 10% 20%, rgba(0, 240, 255, 0.35) 0%, transparent 60%),
        radial-gradient(ellipse 120% 90% at 90% 80%, rgba(0, 220, 255, 0.32) 0%, transparent 60%),
        radial-gradient(ellipse 100% 80% at 50% 50%, rgba(100, 240, 255, 0.28) 0%, transparent 65%),
        radial-gradient(ellipse 170% 120% at 70% 10%, rgba(0, 200, 250, 0.3) 0%, transparent 55%),
        radial-gradient(ellipse 90% 70% at 25% 85%, rgba(72, 210, 240, 0.25) 0%, transparent 55%);
    pointer-events: none;
    animation: oceanLight 10s ease-in-out infinite;
}

@keyframes oceanColorShift {
    0%, 100% { 
        transform: scale(1);
        filter: brightness(1) saturate(1) hue-rotate(0deg);
    }
    15% { 
        transform: scale(1.008);
        filter: brightness(1.06) saturate(1.1) hue-rotate(2deg);
    }
    30% { 
        transform: scale(1.012);
        filter: brightness(1.12) saturate(1.2) hue-rotate(5deg);
    }
    50% { 
        transform: scale(1.018);
        filter: brightness(1.18) saturate(1.35) hue-rotate(10deg);
    }
    70% { 
        transform: scale(1.01);
        filter: brightness(1.1) saturate(1.2) hue-rotate(6deg);
    }
    85% { 
        transform: scale(1.005);
        filter: brightness(1.05) saturate(1.1) hue-rotate(-2deg);
    }
}

@keyframes oceanLight {
    0%, 100% { 
        opacity: 0.6;
        transform: translate(0, 0) scale(1) rotate(0deg);
    }
    20% { 
        opacity: 0.75;
        transform: translate(20px, -15px) scale(1.04) rotate(0.8deg);
    }
    40% { 
        opacity: 0.9;
        transform: translate(-15px, -20px) scale(1.08) rotate(1.5deg);
    }
    60% { 
        opacity: 1;
        transform: translate(10px, -25px) scale(1.12) rotate(2deg);
    }
    80% { 
        opacity: 0.85;
        transform: translate(-10px, -10px) scale(1.06) rotate(0.5deg);
    }
}

.about-mouse-glow {
    position: absolute;
    width: 550px;
    height: 550px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 230, 255, 0.25) 0%, rgba(0, 200, 255, 0.15) 40%, transparent 75%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: left 0.3s ease-out, top 0.3s ease-out, opacity 0.3s ease;
    opacity: 0;
    z-index: 0;
}

.about-mouse-glow.visible {
    opacity: 1;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 25% 45%, rgba(0, 230, 255, 0.25) 0%, transparent 45%),
        radial-gradient(circle at 75% 55%, rgba(100, 240, 255, 0.2) 0%, transparent 45%),
        radial-gradient(circle at 50% 30%, rgba(0, 200, 255, 0.18) 0%, transparent 40%);
    animation: oceanWave 8s ease-in-out infinite;
}

.about-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 40px,
            rgba(100, 240, 255, 0.07) 40px,
            rgba(100, 240, 255, 0.07) 42px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 60px,
            rgba(0, 230, 255, 0.06) 60px,
            rgba(0, 230, 255, 0.06) 62px
        );
    animation: oceanDrift 25s linear infinite;
}

.about-mouse-glow {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.22) 0%, transparent 75%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
    z-index: 1;
}

.about-section:hover .about-mouse-glow {
    opacity: 1;
}

@keyframes oceanWave {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 0.55; }
    33% { transform: translate(4%, 3%) scale(1.06) rotate(1.5deg); opacity: 0.75; }
    66% { transform: translate(-3%, 5%) scale(1.12) rotate(-1.5deg); opacity: 0.85; }
}

@keyframes oceanDrift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 40px); }
}

.ocean-bubbles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.bubble {
    position: absolute;
    bottom: -100px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.3), rgba(100, 200, 255, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: bubbleRise linear infinite;
}

.bubble:nth-child(1) { left: 10%; width: 20px; height: 20px; animation-duration: 8s; animation-delay: 0s; }
.bubble:nth-child(2) { left: 25%; width: 35px; height: 35px; animation-duration: 10s; animation-delay: 1s; }
.bubble:nth-child(3) { left: 40%; width: 15px; height: 15px; animation-duration: 7s; animation-delay: 2s; }
.bubble:nth-child(4) { left: 55%; width: 28px; height: 28px; animation-duration: 9s; animation-delay: 0.5s; }
.bubble:nth-child(5) { left: 70%; width: 22px; height: 22px; animation-duration: 11s; animation-delay: 1.5s; }
.bubble:nth-child(6) { left: 85%; width: 18px; height: 18px; animation-duration: 8.5s; animation-delay: 2.5s; }
.bubble:nth-child(7) { left: 15%; width: 25px; height: 25px; animation-duration: 9.5s; animation-delay: 3s; }
.bubble:nth-child(8) { left: 60%; width: 30px; height: 30px; animation-duration: 10.5s; animation-delay: 0.8s; }

@keyframes bubbleRise {
    0% {
        bottom: -100px;
        transform: translateX(0) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
        transform: translateX(10px) scale(0.8);
    }
    50% {
        transform: translateX(-15px) scale(1);
        opacity: 0.8;
    }
    90% {
        opacity: 0.4;
        transform: translateX(8px) scale(1.1);
    }
    100% {
        bottom: 110%;
        transform: translateX(-5px) scale(1.2);
        opacity: 0;
    }
}

.about-section .container {
    position: relative;
    z-index: 2;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(30, 100, 200, 0.3);
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, #1a6fb5, #3cb8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.4s ease;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 30%) var(--mouse-y, 30%), rgba(255, 255, 255, 0.3) 0%, transparent 60%);
    z-index: 1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.about-image-wrapper:hover::before {
    opacity: 1;
}

.about-image-wrapper:hover {
    box-shadow: 0 30px 80px rgba(30, 100, 200, 0.5);
}

.about-image-placeholder {
    font-size: 8rem;
    opacity: 0.4;
    position: relative;
    z-index: 2;
    transition: transform 0.4s ease;
}

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

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 2px solid #3cb8f0;
    border-radius: 24px;
    z-index: -1;
    opacity: 0.5;
    animation: borderPulse 3s ease-in-out infinite;
}

@keyframes borderPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.02); }
}

.about-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.about-content h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #1a6fb5, #3cb8f0);
    border-radius: 2px;
    transition: width 1s cubic-bezier(0.23, 1, 0.32, 1);
}

.about-content h3.animate::after {
    width: 60px;
}

.about-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-stat {
    text-align: center;
    transition: transform 0.3s ease;
}

.about-stat:hover {
    transform: translateY(-5px);
}

.about-stat-value {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #1a6fb5, #3cb8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
}

.about-stat:hover .about-stat-value {
    transform: scale(1.1);
}

.about-stat-label {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Reveal Animations */
.reveal-left,
.reveal-right,
.reveal-up,
.reveal-text {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal-left {
    transform: translateX(-60px);
}

.reveal-right {
    transform: translateX(60px);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-text {
    transform: translateY(20px);
}

.reveal-left.animate,
.reveal-right.animate,
.reveal-up.animate,
.reveal-text.animate {
    opacity: 1;
    transform: translate(0, 0);
}

.reveal-text:nth-child(2) {
    transition-delay: 0.2s;
}

.reveal-text:nth-child(3) {
    transition-delay: 0.4s;
}

.reveal-up:nth-child(1) { transition-delay: 0.6s; }
.reveal-up:nth-child(2) { transition-delay: 0.8s; }
.reveal-up:nth-child(3) { transition-delay: 1s; }

/* ===== Quick Links ===== */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.quick-link-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.quick-link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-gold));
    transform: scaleX(0);
    transition: var(--transition);
}

.quick-link-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.quick-link-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.quick-link-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.quick-link-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Books Grid ===== */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.book-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.book-cover {
    height: 220px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.book-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.book-cover-placeholder {
    font-size: 4rem;
    opacity: 0.6;
    color: #fff;
    font-weight: 700;
}

.book-info {
    padding: 1.75rem;
}

.book-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.book-author {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.book-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    color: var(--accent-gold);
    font-size: 0.9rem;
}

.rating-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.book-review {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Timeline ===== */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-color), var(--border-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -3rem;
    top: 1.5rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 3px solid var(--bg-color);
    box-shadow: 0 0 0 3px var(--accent-color);
    transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.3);
    box-shadow: 0 0 0 5px rgba(233, 69, 96, 0.3);
}

.timeline-content {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.timeline-type {
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(212, 175, 55, 0.1));
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.timeline-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.timeline-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.timeline-meta-item strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-color);
    padding: 3rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer p {
    font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.open {
        display: flex;
    }
    
    .nav-menu a {
        color: var(--text-primary) !important;
    }
    
    .nav-mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .section {
        padding: 5rem 0;
    }
    
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline {
        padding-left: 2rem;
    }
    
    .timeline-marker {
        left: -2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}