/* ============================================
   Emma Butchikas - AI & Innovation Website
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-bg: #0a0a0f;
    --color-bg-alt: #12121a;
    --color-bg-card: #1a1a2e;
    --color-text: #e8e8f0;
    --color-text-muted: #9898b0;
    --color-accent: #6c63ff;
    --color-accent-light: #8b83ff;
    --color-accent-glow: rgba(108, 99, 255, 0.3);
    --color-secondary: #00d4aa;
    --color-secondary-glow: rgba(0, 212, 170, 0.3);
    --color-warm: #ff6b6b;
    --color-gold: #ffd700;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(108, 99, 255, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 2px;
    position: relative;
}

.nav-logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    border-radius: 1px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    padding: 4px 0;
}

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

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.98);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

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

.mobile-menu a {
    font-size: 1.5rem;
    color: var(--color-text);
    font-weight: 600;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 99, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(108, 99, 255, 0.1) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
}

.hero-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: 24px;
    padding: 8px 20px;
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 50px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 24px;
}

.hero-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), #5a52d5);
    color: white;
    box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-accent-glow);
    color: white;
}

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* --- Sections --- */
.section {
    padding: 120px 0;
    position: relative;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-label.center {
    display: block;
    text-align: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.section-title.center {
    text-align: center;
}

.section-title em {
    font-style: italic;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 60px;
    text-align: center;
    line-height: 1.8;
}

/* --- About Section --- */
.about {
    background: var(--color-bg);
}

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

.section-text p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.section-text strong {
    color: var(--color-text);
}

.section-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
}

.about-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
    transform: translateX(4px);
}

.about-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.2), rgba(0, 212, 170, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent-light);
}

.about-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.about-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --- Heritage Section --- */
.heritage {
    background: var(--color-bg-alt);
}

.heritage-timeline {
    position: relative;
    max-width: 800px;
    margin: 60px auto;
}

.timeline-line {
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-secondary), var(--color-accent));
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    padding-bottom: 48px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    border: 3px solid var(--color-accent);
    z-index: 1;
}

.timeline-year {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-secondary);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.timeline-content strong {
    color: var(--color-text);
}

.heritage-highlight {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.highlight-card {
    text-align: center;
    padding: 32px 16px;
    background: var(--color-bg-card);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.highlight-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
    transform: translateY(-4px);
}

.highlight-stat {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.highlight-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* --- Datacenters Section --- */
.datacenters {
    background: var(--color-bg);
}

.dc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.dc-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    opacity: 0;
    transition: var(--transition);
}

.dc-card:hover {
    border-color: rgba(108, 99, 255, 0.2);
    transform: translateY(-4px);
}

.dc-card:hover::before {
    opacity: 1;
}

.dc-card-large {
    grid-column: span 3;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.08), rgba(0, 212, 170, 0.05));
}

.dc-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(108, 99, 255, 0.15);
    margin-bottom: 12px;
    line-height: 1;
}

.dc-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

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

.dc-callout {
    text-align: center;
    padding: 48px;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(0, 212, 170, 0.05));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(108, 99, 255, 0.15);
}

.dc-callout blockquote {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

/* --- AI Art Section --- */
.ai-art {
    background: var(--color-bg-alt);
}

.art-features {
    display: flex;
    flex-direction: column;
    gap: 80px;
    margin-bottom: 80px;
}

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

.art-feature.reverse {
    direction: rtl;
}

.art-feature.reverse > * {
    direction: ltr;
}

.art-feature-visual {
    position: relative;
}

.art-demo {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    aspect-ratio: 4/3;
}

.art-demo canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.art-feature-text h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.art-feature-text p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.7;
}

.art-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.art-stat {
    text-align: center;
    padding: 40px 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.art-stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.art-stat-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* --- Gallery Section --- */
.gallery {
    background: var(--color-bg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.02);
    border-color: rgba(108, 99, 255, 0.3);
}

.gallery-item canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay span {
    font-weight: 600;
    font-size: 0.95rem;
}

/* --- Contact Section --- */
.contact {
    background: var(--color-bg-alt);
}

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

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-muted);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 20px;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239898b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--color-bg-card);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* --- Footer --- */
.footer {
    background: var(--color-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    display: inline-block;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-heritage {
    font-size: 0.8rem !important;
    color: rgba(152, 152, 176, 0.6) !important;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* --- 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);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .section-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .dc-card-large {
        grid-column: span 2;
    }

    .art-feature,
    .art-feature.reverse {
        grid-template-columns: 1fr;
        gap: 30px;
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .section {
        padding: 80px 0;
    }

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

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

    .dc-card-large {
        grid-column: span 1;
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: 24px;
    }

    .footer-links {
        flex-wrap: wrap;
    }

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

@media (max-width: 480px) {
    .heritage-highlight {
        grid-template-columns: 1fr;
    }

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