/* ========================================
   Future Gate Landing Page Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary: #1565C0;
    --primary-dark: #0D47A1;
    --primary-light: #42A5F5;
    --accent: #FF6B35;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a68;
    --text-light: #7c7c94;
    --background: #ffffff;
    --background-alt: #f8fafc;
    --border: #e2e8f0;
    --success: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

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

.logo img {
    height: 60px;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-links .btn {
    margin-left: 8px;
}

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

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

.hero-content h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-content .highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.download-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.store-btn img {
    height: 50px;
    transition: transform 0.3s ease;
}

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

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
    z-index: 2;
}

.phone-mockup img {
    max-width: 320px;
    border-radius: 32px;
    box-shadow: var(--shadow-xl);
}

.hero-bg {
    position: absolute;
    top: 0;
    right: -20%;
    width: 70%;
    height: 100%;
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.05), rgba(66, 165, 245, 0.1));
    border-radius: 0 0 0 50%;
    z-index: -1;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--background-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Services Section */
.services {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    color: var(--primary);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 15px;
}

.service-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--background-alt);
}

.screenshots-slider {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.screenshot-item {
    flex-shrink: 0;
}

.screenshot-item img {
    width: 220px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.screenshot-item:hover img {
    transform: scale(1.05);
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

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

.download-content h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 20px;
}

.download-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
}

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

.download-image img {
    max-width: 400px;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    height: 60px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 24px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom .disclaimer {
    margin-top: 8px;
    font-size: 12px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.mobile-menu-content {
    position: absolute;
    top: 80px;
    right: 24px;
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 200px;
}

.mobile-menu-content a {
    padding: 12px 16px;
    border-radius: var(--radius);
    transition: background 0.3s ease;
}

.mobile-menu-content a:hover {
    background: var(--background-alt);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 42px;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

    .download-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        margin-top: 40px;
    }

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

    .download .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .download-content {
        order: 1;
    }

    .download-content p {
        margin: 0 auto 32px;
    }

    .download-image {
        order: 2;
    }

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

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

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

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }

    .screenshots-slider {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding: 0 24px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .screenshots-slider::-webkit-scrollbar {
        display: none;
    }

    .screenshot-item img {
        width: 180px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.hero-image,
.feature-card,
.service-card {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(2),
.service-card:nth-child(2) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(3),
.service-card:nth-child(3) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.3s;
}

.feature-card:nth-child(5) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(6) {
    animation-delay: 0.5s;
}