/* ==========================================================================
   Design System — CSS Custom Properties
   ========================================================================== */
:root {
    /* Color Palette */
    --color-bg-deep: #080808;
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #161616;
    --color-bg-card-hover: #1c1c1c;
    --color-bg-elevated: #1a1a1a;

    --color-gold: #c9a96e;
    --color-gold-light: #dfc38d;
    --color-gold-bright: #f0d9a0;
    --color-gold-dark: #8b7340;

    --color-text-primary: #f0ede6;
    --color-text-secondary: #a8a29e;
    --color-text-muted: #6b6560;
    --color-text-inverse: #0a0a0a;

    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-gold: rgba(201, 169, 110, 0.3);
    --color-border-light: rgba(255, 255, 255, 0.12);

    /* Gradients */
    --gradient-hero: linear-gradient(180deg, rgba(8,8,8,0.3) 0%, rgba(8,8,8,0.6) 50%, rgba(8,8,8,0.95) 100%);
    --gradient-gold: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    --gradient-card: linear-gradient(180deg, rgba(22,22,22,0.8) 0%, rgba(22,22,22,1) 100%);
    --gradient-section: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    --gradient-section-reverse: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);

    /* Typography */
    --font-display: 'Playfair Display', 'Noto Serif SC', serif;
    --font-heading: 'Noto Serif SC', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 24px rgba(201, 169, 110, 0.15);
    --shadow-gold-lg: 0 8px 40px rgba(201, 169, 110, 0.2);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: 0.2s var(--ease-out);
    --transition-base: 0.3s var(--ease-out);
    --transition-slow: 0.6s var(--ease-out);
    --transition-slower: 1s var(--ease-out);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;

    /* Z-Index Scale */
    --z-nav: 100;
    --z-hero: 10;
    --z-content: 20;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

strong {
    color: var(--color-gold-light);
    font-weight: 600;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ==========================================================================
   Typography
   ========================================================================== */
.section-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.section-label.light {
    color: var(--color-gold-light);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

.section-title.light {
    color: var(--color-text-primary);
}

.section-title .accent {
    color: var(--color-gold);
    margin-left: var(--space-sm);
}

.section-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-4xl);
}

.section-desc.light {
    color: var(--color-text-secondary);
}

.accent {
    color: var(--color-gold);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-cn {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.logo-en {
    font-family: var(--font-body);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--color-gold);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--space-2xl);
}

.nav-links a {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

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

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
    transform-origin: center;
}

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

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

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.hero-carousel {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s var(--ease-in-out);
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: kenBurns 20s ease-in-out infinite alternate;
}

.hero-slide:nth-child(2) img {
    animation-delay: -5s;
}

.hero-slide:nth-child(3) img {
    animation-delay: -10s;
}

.hero-slide:nth-child(4) img {
    animation-delay: -15s;
}

@keyframes kenBurns {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.08) translate(-1%, -1%); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: var(--z-content);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl) var(--space-5xl);
    width: 100%;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--color-gold);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.05;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.02em;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 2vw, 1.35rem);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.5;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.hero-meta .divider {
    color: var(--color-gold-dark);
}

.hero-indicators {
    position: absolute;
    bottom: var(--space-3xl);
    right: var(--space-xl);
    display: flex;
    gap: var(--space-sm);
    z-index: var(--z-content);
}

.indicator {
    width: 32px;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.indicator.active {
    background: var(--color-gold);
    width: 48px;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: var(--z-content);
}

.hero-scroll span {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-gold-dark);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-gold);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* Reveal animations for hero */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 0.8s var(--ease-out) forwards;
    animation-delay: 0.5s;
}

.delay-1 { animation-delay: 0.7s; }
.delay-2 { animation-delay: 0.9s; }
.delay-3 { animation-delay: 1.1s; }

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

/* ==========================================================================
   Section Common
   ========================================================================== */
.section {
    padding: var(--space-5xl) 0;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    background: var(--gradient-section);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-4xl);
    align-items: start;
}

.about-image-wrapper {
    position: relative;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.about-image-wrapper:hover .about-image {
    transform: scale(1.03);
}

.about-image-frame {
    position: absolute;
    inset: 12px;
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-md);
    pointer-events: none;
}

.about-intro {
    margin-bottom: var(--space-2xl);
}

.about-intro p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
    letter-spacing: 0.05em;
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md) var(--space-2xl);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.info-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.info-value {
    font-size: 0.95rem;
    color: var(--color-text-primary);
}

/* ==========================================================================
   Education / Works Section
   ========================================================================== */
.education {
    background: var(--color-bg-secondary);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.work-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.work-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.work-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

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

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

.work-year {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    color: var(--color-gold);
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-gold);
}

.work-content {
    padding: var(--space-xl);
}

.work-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.work-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.work-role {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.work-achievements {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.work-achievements li {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    padding-left: var(--space-md);
    position: relative;
}

.work-achievements li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 4px;
    height: 4px;
    background: var(--color-gold);
    border-radius: 50%;
}

/* ==========================================================================
   Career Timeline
   ========================================================================== */
.career {
    background: var(--gradient-section-reverse);
}

.timeline {
    position: relative;
    padding: var(--space-2xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-border-gold);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    display: flex;
    margin-bottom: var(--space-3xl);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease-out);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-left {
    justify-content: flex-start;
    padding-right: calc(50% + 40px);
}

.timeline-right {
    justify-content: flex-end;
    padding-left: calc(50% + 40px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: var(--space-xl);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-bg-primary);
    border: 2px solid var(--color-gold);
    transform: translateX(-50%);
    z-index: 2;
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-dot {
    background: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.timeline-connector {
    position: absolute;
    left: 50%;
    top: calc(var(--space-xl) + 6px);
    width: 30px;
    height: 1px;
    background: var(--color-border-gold);
}

.timeline-left .timeline-connector {
    left: calc(50% - 30px);
}

.timeline-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    width: 100%;
}

.timeline-card:hover {
    border-color: var(--color-border-gold);
    box-shadow: var(--shadow-gold);
}

.timeline-date {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: var(--space-sm);
}

.timeline-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    background: var(--color-bg-elevated);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-md);
}

.timeline-badge.highlight {
    color: var(--color-gold);
    border-color: var(--color-border-gold);
    background: rgba(201, 169, 110, 0.08);
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.timeline-company {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.timeline-project {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.timeline-project img {
    width: 80px;
    height: 56px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.project-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.timeline-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.timeline-details li {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    padding-left: var(--space-md);
    position: relative;
}

.timeline-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 4px;
    height: 4px;
    background: var(--color-gold);
    border-radius: 50%;
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects {
    background: var(--color-bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    border-color: var(--color-border-gold);
    transform: translateY(-6px);
    box-shadow: var(--shadow-gold-lg);
}

.project-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

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

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

.project-platform {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(10px);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}

.project-body {
    padding: var(--space-xl);
}

.project-genre {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
}

.project-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1.2;
}

.metric-value.highlight-metric {
    font-size: 1.1rem;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

.metric-note {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.project-contribution {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.projects-total {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.total-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    text-align: center;
    flex-wrap: wrap;
}

.total-label {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.total-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-gold);
}

/* ==========================================================================
   CEO Section
   ========================================================================== */
.ceo {
    background: var(--gradient-section);
}

.ceo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.ceo-company {
    margin-bottom: var(--space-xl);
}

.ceo-company h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.ceo-founded {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.ceo-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.ceo-quote {
    padding: var(--space-xl);
    background: rgba(201, 169, 110, 0.05);
    border-left: 3px solid var(--color-gold);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.ceo-quote blockquote {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-text-primary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.ceo-quote cite {
    font-size: 0.85rem;
    color: var(--color-gold);
    font-style: normal;
}

.ceo-project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

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

.ceo-project-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    text-transform: uppercase;
    background: rgba(201, 169, 110, 0.1);
    border: 1px solid var(--color-border-gold);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.ceo-project-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.ceo-project-genre {
    font-size: 0.85rem;
    color: var(--color-gold);
    margin-bottom: var(--space-xl);
}

.ceo-project-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.detail-value {
    font-size: 0.9rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

.detail-value.status-active {
    color: #4ade80;
}

.ceo-project-highlights,
.ceo-project-goals {
    margin-bottom: var(--space-xl);
}

.ceo-project-highlights h4,
.ceo-project-goals h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

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

.ceo-project-goals ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.ceo-project-goals li {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    padding-left: var(--space-lg);
    position: relative;
}

.ceo-project-goals li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
}

/* ==========================================================================
   Philosophy Section
   ========================================================================== */
.philosophy {
    background: var(--color-bg-secondary);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.philosophy-card {
    padding: var(--space-2xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.philosophy-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.philosophy-icon {
    width: 48px;
    height: 48px;
    color: var(--color-gold);
    margin-bottom: var(--space-xl);
}

.philosophy-icon svg {
    width: 100%;
    height: 100%;
}

.philosophy-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.philosophy-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-bg-deep);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.footer-role {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Scroll Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet: 768px - 1024px */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-lg);
    }

    .about-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-2xl);
    }

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

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

    .works-grid .work-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

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

    .projects-grid .project-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

    .ceo-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

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

    .philosophy-grid .philosophy-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }
}

/* Mobile landscape: 480px - 768px */
@media (max-width: 768px) {
    :root {
        --space-5xl: 5rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 80px var(--space-2xl) var(--space-2xl);
        gap: var(--space-xl);
        transition: right var(--transition-base);
        border-left: 1px solid var(--color-border);
    }

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

    .nav-links a {
        font-size: 1rem;
    }

    .hero-content {
        padding-bottom: var(--space-4xl);
    }

    .hero-indicators {
        bottom: var(--space-xl);
        right: var(--space-lg);
    }

    .hero-scroll {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-image-wrapper {
        max-width: 300px;
        margin: 0 auto;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .about-info-grid {
        grid-template-columns: 1fr;
    }

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

    .works-grid .work-card:last-child {
        max-width: 100%;
    }

    /* Timeline mobile */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 56px !important;
        padding-right: 0 !important;
        justify-content: flex-start !important;
    }

    .timeline-dot {
        left: 20px;
    }

    .timeline-connector {
        left: 27px !important;
        width: 20px;
    }

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

    .projects-grid .project-card:last-child {
        max-width: 100%;
    }

    .project-metrics {
        grid-template-columns: 1fr;
    }

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

    .philosophy-grid .philosophy-card:last-child {
        max-width: 100%;
    }

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

/* Mobile portrait: < 480px */
@media (max-width: 480px) {
    :root {
        --space-5xl: 4rem;
        --space-4xl: 3rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .nav-inner {
        padding: 0 var(--space-md);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: var(--space-xs);
        align-items: flex-start;
    }

    .hero-meta .divider {
        display: none;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 1.3rem;
    }

    .work-content {
        padding: var(--space-lg);
    }

    .timeline-project {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-project img {
        width: 100%;
        height: 100px;
    }

    .ceo-project-card {
        padding: var(--space-xl);
    }

    .total-inner {
        flex-direction: column;
        gap: var(--space-md);
    }
}