/* === CSS Variables === */
:root {
    --color-night-deep: #0a0a1a;
    --color-night-mid: #141428;
    --color-night-light: #1e1e3a;
    --color-amber: #f59e0b;
    --color-amber-light: #fbbf24;
    --color-amber-dark: #d97706;
    --color-blue: #3b82f6;
    --color-blue-light: #60a5fa;
    --color-white: #ffffff;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--color-night-deep);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-amber), var(--color-amber-dark));
    color: var(--color-night-deep);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.3);
}

.btn-amber {
    background: linear-gradient(135deg, var(--color-amber), var(--color-amber-dark));
    color: var(--color-night-deep);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.btn-amber:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(245, 158, 11, 0.4);
}

.apple-icon {
    width: 20px;
    height: 20px;
}

/* === Navigation === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: all var(--transition-normal);
}

.nav.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    background: linear-gradient(135deg, var(--color-amber), var(--color-amber-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--color-amber), var(--color-amber-dark));
    color: var(--color-night-deep);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition-normal);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 26, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding-top: 100px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 40px 24px;
}

.mobile-nav-links a {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-gray-300);
}

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

.mobile-cta {
    background: linear-gradient(135deg, var(--color-amber), var(--color-amber-dark));
    color: var(--color-night-deep) !important;
    padding: 14px 28px;
    border-radius: 10px;
    margin-top: 20px;
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        #0a0a1a 0%,
        #1a1a3a 30%,
        #2a2a4a 50%,
        #1a1a3a 70%,
        #0a0a1a 100%
    );
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%);
}

.stars {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, white, transparent),
        radial-gradient(2px 2px at 40px 70px, white, transparent),
        radial-gradient(2px 2px at 50px 160px, white, transparent),
        radial-gradient(2px 2px at 90px 40px, white, transparent),
        radial-gradient(2px 2px at 130px 80px, white, transparent),
        radial-gradient(2px 2px at 160px 120px, white, transparent),
        radial-gradient(1px 1px at 200px 50px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 240px 90px, rgba(255,255,255,0.5), transparent),
        radial-gradient(2px 2px at 280px 160px, white, transparent),
        radial-gradient(1px 1px at 320px 30px, rgba(255,255,255,0.5), transparent),
        radial-gradient(2px 2px at 360px 100px, white, transparent);
    background-repeat: repeat;
    background-size: 400px 200px;
    animation: twinkle 4s ease-in-out infinite alternate;
    opacity: 0.6;
}

@keyframes twinkle {
    0% { opacity: 0.4; }
    100% { opacity: 0.8; }
}

.mountains {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: linear-gradient(
        to top,
        #0a0a1a 0%,
        #0a0a1a 30%,
        transparent 100%
    );
}

.mountains::before {
    content: '';
    position: absolute;
    bottom: 15%;
    left: 0;
    right: 0;
    height: 200px;
    background: 
        linear-gradient(135deg, transparent 40%, #1a1a2a 40%, #1a1a2a 42%, transparent 42%),
        linear-gradient(225deg, transparent 40%, #151525 40%, #151525 42%, transparent 42%);
    background-size: 100px 100%;
    background-position: 0 0;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-white), var(--color-amber-light), var(--color-amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 500;
    color: var(--color-gray-300);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

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

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--color-gray-500);
    font-size: 12px;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-gray-500);
    border-bottom: 2px solid var(--color-gray-500);
    transform: rotate(45deg);
}

/* === Features Section === */
.features {
    padding: 120px 0;
    background: var(--color-night-deep);
}

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

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-amber);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    background: linear-gradient(135deg, rgba(30,30,60,0.5), rgba(20,20,40,0.5));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 32px;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.05));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-amber);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-gray-400);
    font-size: 15px;
    line-height: 1.6;
}

/* === How It Works === */
.how-it-works {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--color-night-deep) 0%, var(--color-night-mid) 100%);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 280px;
    padding: 24px;
}

.step-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-amber), var(--color-amber-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-night-deep);
    margin-bottom: 24px;
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.3);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--color-gray-400);
    font-size: 15px;
}

.step-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-amber), var(--color-amber-light));
    margin-top: 56px;
    opacity: 0.5;
}

/* === Drivers Section === */
.drivers {
    padding: 120px 0;
    background: var(--color-night-mid);
}

.driver-badge {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--color-blue-light);
}

.driver-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.driver-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    transition: all var(--transition-normal);
}

.driver-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.driver-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.driver-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.driver-card p {
    color: var(--color-gray-400);
    font-size: 14px;
}

.driver-cta {
    text-align: center;
}

/* === Testimonials === */
.testimonials {
    padding: 120px 0;
    background: var(--color-night-deep);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: linear-gradient(135deg, rgba(30,30,60,0.4), rgba(20,20,40,0.4));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 32px;
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    border-color: rgba(245, 158, 11, 0.2);
}

.testimonial-stars {
    color: var(--color-amber);
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 24px;
    color: var(--color-gray-200);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-amber), var(--color-amber-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-night-deep);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    font-size: 15px;
}

.author-title {
    font-size: 13px;
    color: var(--color-gray-500);
}

/* === Download CTA === */
.download {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-night-deep) 0%, var(--color-night-mid) 100%);
}

.download-content {
    text-align: center;
}

.download-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.download-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    margin-bottom: 32px;
}

.app-store-badge img {
    height: 60px;
    transition: transform var(--transition-normal);
}

.app-store-badge:hover img {
    transform: scale(1.05);
}

/* === Footer === */
.footer {
    padding: 80px 0 40px;
    background: var(--color-night-mid);
    border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    display: block;
    margin-bottom: 12px;
}

.footer-tagline {
    color: var(--color-gray-500);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-300);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    font-size: 14px;
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-gray-500);
}

/* === Responsive === */
@media (max-width: 768px) {
    .nav-links, .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .features, .how-it-works, .drivers, .testimonials {
        padding: 80px 0;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0;
    }

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

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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