/* Hamptons Robotaxi - Sleek & Mysterious Design System */

:root {
    --bg-deep: #030810;
    --bg-dark: #0a1220;
    --bg-card: rgba(15, 25, 40, 0.6);
    --gold: #C9A227;
    --gold-glow: rgba(201, 162, 39, 0.15);
    --gold-dim: rgba(201, 162, 39, 0.6);
    --white: #ffffff;
    --white-dim: rgba(255, 255, 255, 0.7);
    --white-muted: rgba(255, 255, 255, 0.4);
    --border: rgba(255, 255, 255, 0.08);
    --border-gold: rgba(201, 162, 39, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--white);
    background: var(--bg-deep);
    overflow-x: hidden;
}

/* Starfield Background */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    animation: twinkle var(--duration) ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes twinkle {
    0%, 100% { opacity: 0; transform: scale(0.5); }
    50% { opacity: var(--opacity); transform: scale(1); }
}

/* Ambient Glow */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--gold-glow);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(201, 162, 39, 0.08);
    bottom: -100px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Typography */
h1, h2, h3 {
    font-weight: 300;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(48px, 8vw, 100px);
    line-height: 1;
}

h2 {
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.1;
}

h3 {
    font-size: 24px;
    line-height: 1.3;
}

p {
    color: var(--white-dim);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 1;
}

section {
    padding: 150px 0;
    position: relative;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 40px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
    background: rgba(3, 8, 16, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

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

.nav-logo {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--white);
    text-decoration: none;
    text-transform: uppercase;
}

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

.nav-links {
    display: flex;
    gap: 48px;
    list-style: none;
}

.nav-links a {
    color: var(--white-muted);
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gold);
    color: var(--bg-deep);
    border: none;
}

.btn-primary:hover {
    background: #d4af37;
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(201, 162, 39, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.btn-arrow {
    transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0;
    position: relative;
}

.hero-content {
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 10px 24px;
    border: 1px solid var(--border-gold);
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 40px;
    animation: fadeUp 1s ease 0.2s both;
}

.hero h1 {
    margin-bottom: 32px;
    animation: fadeUp 1s ease 0.4s both;
}

.hero h1 .gold {
    color: var(--gold);
}

.hero-sub {
    font-size: 20px;
    color: var(--white-muted);
    max-width: 600px;
    margin: 0 auto 48px;
    animation: fadeUp 1s ease 0.6s both;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeUp 1s ease 0.8s both;
}

.scroll-hint {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: fadeUp 1s ease 1.2s both;
}

.scroll-hint span {
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--white-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: pulse-line 2s ease infinite;
}

@keyframes pulse-line {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

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

/* Stats Section */
.stats {
    padding: 100px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat {
    text-align: center;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-value {
    font-size: 48px;
    font-weight: 200;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.stat-value.gold {
    color: var(--gold);
}

.stat-value.danger {
    color: #ef4444;
}

.stat-value.strike {
    text-decoration: line-through;
    color: var(--white-muted);
    font-size: 36px;
}

.stat-value.vs {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-value .old {
    text-decoration: line-through;
    color: #ef4444;
    font-size: 28px;
    opacity: 0.7;
}

.stat-value .new {
    color: var(--gold);
    font-size: 48px;
}

.stat-label {
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white-muted);
}

/* Content Sections */
.section-label {
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

.section-title {
    margin-bottom: 24px;
}

.section-desc {
    font-size: 18px;
    color: var(--white-muted);
    max-width: 600px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 48px;
    backdrop-filter: blur(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    border-color: var(--border-gold);
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 24px;
    display: block;
}

.card h3 {
    margin-bottom: 16px;
    font-weight: 400;
}

.card p {
    font-size: 15px;
    line-height: 1.7;
}

/* Grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* Reveal Animation */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Divider */
.divider {
    width: 60px;
    height: 1px;
    background: var(--gold);
    margin: 60px auto;
}

/* Quote */
.quote {
    font-size: 28px;
    font-weight: 300;
    font-style: italic;
    color: var(--white);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 0;
    border-left: none;
    position: relative;
}

.quote::before {
    content: '"';
    font-size: 120px;
    font-family: Georgia, serif;
    color: var(--gold-glow);
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    line-height: 1;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 150px 0;
}

.cta-section h2 {
    margin-bottom: 24px;
}

.cta-section p {
    margin-bottom: 40px;
}

/* Form */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white-muted);
    margin-bottom: 12px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--white);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    background: rgba(201, 162, 39, 0.05);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white-muted);
    font-weight: 400;
}

.data-table td {
    font-size: 16px;
}

.data-table .highlight {
    color: var(--gold);
}

/* Metric Box */
.metric-box {
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    padding: 32px;
    text-align: center;
    backdrop-filter: blur(20px);
}

.metric-value {
    font-size: 36px;
    font-weight: 200;
    color: var(--gold);
    margin-bottom: 8px;
}

.metric-label {
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white-muted);
}

/* Progress Bar */
.progress-item {
    margin-bottom: 24px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
}

.progress-header span:last-child {
    color: var(--gold);
}

.progress-bar {
    height: 4px;
    background: var(--border);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold), var(--gold-dim));
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--white-muted);
    margin-top: 16px;
}

.footer-links h4 {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--white-muted);
    margin-bottom: 24px;
    font-weight: 400;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--white-dim);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--white-muted);
}

.footer-legal {
    display: flex;
    gap: 32px;
}

.footer-legal a {
    color: var(--white-muted);
    text-decoration: none;
}

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

/* Mobile */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }
    section { padding: 100px 0; }

    .nav { padding: 20px 24px; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(3, 8, 16, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        border-bottom: 1px solid var(--border);
    }
    .nav-links.active { display: flex; }
    .nav-toggle { display: block; }

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

    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .form-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }

    h1 { font-size: 40px; }
    .stat-value { font-size: 36px; }
}