/* ==========================================
   MotorsHub Landing Page Styles
   Theme based on app_theme.dart
   ========================================== */

/* CSS Variables - Theme Colors */
:root {
    --primary: #EA580C;
    --primary-dark: #C2410C;
    --primary-light: #F97316;
    --on-primary: #FFFFFF;

    --surface: #0E1116;
    --surface-dim: #060606;
    --surface-bright: #2C2C2C;
    --surface-container: #1C1C1E;
    --surface-container-low: #0E0E0E;
    --surface-container-high: #1D1D1D;
    --surface-container-highest: #282828;

    --on-surface: #F1F1F1;
    --on-surface-variant: #CACACA;

    --secondary: #292524;
    --on-secondary: #FFFFFF;

    --outline: #777777;
    --outline-variant: #414141;

    --error: #DC2626;

    --shadow: rgba(0, 0, 0, 0.3);
    --glow: rgba(234, 88, 12, 0.4);

    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--surface);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--on-primary);
    box-shadow: 0 4px 20px var(--glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--glow);
}

.btn-secondary {
    background: transparent;
    color: var(--on-surface);
    border: 2px solid var(--outline-variant);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(14, 17, 22, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--outline-variant);
    transition: all var(--transition-normal);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 40px;
    width: auto;
}

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

.nav a {
    font-weight: 500;
    color: var(--on-surface-variant);
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(234, 88, 12, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(234, 88, 12, 0.1) 0%, transparent 50%),
        var(--surface);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23414141' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--on-surface-variant);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--on-surface-variant);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--outline-variant);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--on-surface-variant);
    font-size: 0.75rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--outline-variant);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* Free Banner Section */
.free-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 40px 0;
    position: relative;
    overflow: hidden;
}

.free-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 0L100 50L50 100L0 50Z' fill='%23fff' fill-opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.free-banner .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.banner-content {
    display: flex;
    align-items: center;
    gap: 24px;
}

.banner-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-icon svg {
    stroke: white;
}

.banner-text h2 {
    font-size: 1.75rem;
    color: white;
    margin-bottom: 8px;
}

.banner-text h2 .highlight {
    color: #FEF3C7;
}

.banner-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.banner-badge {
    flex-shrink: 0;
    background: white;
    color: var(--primary);
    padding: 20px 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transform: rotate(3deg);
}

.badge-text {
    display: block;
    font-size: 2rem;
    font-weight: 900;
}

.badge-subtext {
    font-size: 0.75rem;
    color: var(--outline);
}

/* Section Styles */
section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--on-surface-variant);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--surface-dim);
}

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

.about-lead {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.about-text p {
    color: var(--on-surface-variant);
    margin-bottom: 16px;
}

.about-features {
    list-style: none;
    margin-top: 32px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--outline-variant);
}

.about-features li:last-child {
    border-bottom: none;
}

.about-features svg {
    flex-shrink: 0;
    stroke: var(--primary);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    position: relative;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: 24px;
    padding: 60px;
    text-align: center;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    opacity: 0.3;
    animation: glow-rotate 10s linear infinite;
}

@keyframes glow-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.visual-icon {
    position: relative;
    z-index: 1;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.visual-icon svg {
    stroke: white;
}

.visual-card h3 {
    position: relative;
    z-index: 1;
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.visual-card p {
    position: relative;
    z-index: 1;
    color: var(--on-surface-variant);
}

/* How it Works Section */
.how-it-works {
    background: var(--surface);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.step:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px var(--shadow);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 50px;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--surface-container-high);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 16px auto 24px;
    transition: all var(--transition-normal);
}

.step:hover .step-icon {
    background: var(--primary);
}

.step-icon svg {
    stroke: var(--primary);
    transition: stroke var(--transition-normal);
}

.step:hover .step-icon svg {
    stroke: white;
}

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

.step p {
    color: var(--on-surface-variant);
    font-size: 0.95rem;
}

.step-connector {
    display: none;
}

/* Features Section */
.features {
    background: var(--surface-dim);
}

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

.feature-card {
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: 20px;
    padding: 32px;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.2) 0%, rgba(234, 88, 12, 0.1) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    stroke: var(--primary);
}

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

.feature-card p {
    color: var(--on-surface-variant);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, rgba(234, 88, 12, 0.2) 0%, transparent 70%),
        var(--surface);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--on-surface-variant);
    margin-bottom: 40px;
}

.cta-buttons {
    margin-bottom: 24px;
}

.cta-note {
    font-size: 0.875rem;
    color: var(--outline);
}

/* Footer */
.footer {
    background: var(--surface-dim);
    padding: 60px 0 24px;
    border-top: 1px solid var(--outline-variant);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 40px;
}

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

.footer-logo {
    height: 36px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--on-surface-variant);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--on-surface);
}

.footer-column a {
    display: block;
    color: var(--on-surface-variant);
    padding: 6px 0;
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--outline-variant);
    text-align: center;
}

.footer-bottom p {
    color: var(--outline);
    font-size: 0.875rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInLeft 0.8s ease forwards;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 0.8s ease forwards;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.8s ease forwards;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    to { opacity: 1; }
}

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

@keyframes fadeInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 4px 20px var(--glow); }
    50% { box-shadow: 0 4px 40px var(--glow); }
    100% { box-shadow: 0 4px 20px var(--glow); }
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-visual {
        order: -1;
    }

    .free-banner .container {
        flex-direction: column;
        text-align: center;
    }

    .banner-content {
        flex-direction: column;
    }

    .banner-badge {
        transform: rotate(0deg);
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
}

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

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-divider {
        display: none;
    }

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

    .step {
        max-width: 100%;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .banner-text h2 {
        font-size: 1.25rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
}

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

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .visual-card {
        padding: 40px 24px;
    }

    .step {
        padding: 32px 24px;
    }

    .feature-card {
        align-items: center;
        padding: 24px;
        display: flex;
        flex-direction: column;
        text-align: center;
    }
}