/* ============================================
   Tower Rusher - Promo Website Styles
   Design: Tech/Gaming Dark Theme
   Font: Red Hat Display (from app)
   ============================================ */

:root {
    --color-primary: #FF9800;
    --color-accent: #FFD600;
    --color-bg: #000000;
    --color-surface: #1A1A1A;
    --color-surface-light: #2A2A2A;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.4);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-glow: rgba(255, 152, 0, 0.3);
    --border-radius: 10px;
    --font-family: 'Red Hat Display', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* ---- Navigation ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    white-space: nowrap;
}

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

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

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

/* ---- Hero Section ---- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 24px 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-glow), transparent 70%);
    pointer-events: none;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
    width: 100%;
}

.hero-content {
    flex: 1;
    text-align: left;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-content h1 .highlight {
    color: var(--color-primary);
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-mockup {
    flex: 0 0 auto;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
    line-height: 1.2;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #E65100);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--color-glow);
    color: #000;
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

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

/* ---- Device Mockup ---- */
.device-mockup {
    position: relative;
    max-width: 280px;
    margin: 0 auto;
}

.device-frame {
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    background: #111;
    padding: 12px;
    border: 2px solid #333;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.device-frame img {
    width: 100%;
    border-radius: 18px;
    display: block;
}

.device-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 20px;
    background: #111;
    border-radius: 0 0 12px 12px;
    z-index: 2;
}

/* ---- Section Common ---- */
.section {
    padding: 80px 24px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Features Section ---- */
.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--color-surface);
    border-radius: var(--border-radius);
    padding: 32px 24px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    text-align: left;
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(255, 152, 0, 0.1);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ---- Screenshots Carousel ---- */
.screenshots-section {
    padding: 60px 24px;
    max-height: 500px;
    overflow: visible;
}

.carousel-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.carousel-viewport {
    overflow: hidden;
    border-radius: var(--border-radius);
}

.carousel-track {
    display: flex;
    transition: transform 0.4s ease;
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

.carousel-slide .device-mockup {
    max-width: 240px;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
}

.carousel-btn {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: #000;
    border-color: var(--color-primary);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    padding: 0;
}

.carousel-dot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

/* ---- CTA Section ---- */
.cta-section {
    text-align: center;
    padding: 80px 24px;
    background: linear-gradient(180deg, transparent, rgba(255, 152, 0, 0.05));
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Footer ---- */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 32px 24px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copy {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

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

/* ---- Content Pages (Privacy, Terms, Contact) ---- */
.page-header {
    padding: 100px 24px 40px;
    text-align: center;
    background: linear-gradient(180deg, rgba(255, 152, 0, 0.06), transparent);
}

.page-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
}

.page-header p {
    color: var(--color-text-secondary);
    margin-top: 8px;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px 80px;
    text-align: left;
}

.page-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.page-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: 28px;
    margin-bottom: 12px;
}

.page-content p {
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.page-content ul, .page-content ol {
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    padding-left: 24px;
}

.page-content li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.page-content a {
    color: var(--color-primary);
}

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

/* ---- Contact Form ---- */
.contact-wrapper {
    max-width: 640px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.contact-card {
    background: var(--color-surface);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    padding: 40px 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group input[type="file"] {
    padding: 10px;
    cursor: pointer;
}

.form-group input[type="file"]::file-selector-button {
    background: var(--color-surface-light);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 14px;
    margin-right: 12px;
    cursor: pointer;
    font-family: var(--font-family);
}

.form-submit {
    text-align: center;
    margin-top: 8px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 24px;
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: var(--border-radius);
    color: #81C784;
    margin-top: 20px;
}

.form-success.show {
    display: block;
}

/* ---- Privacy Acceptance Button ---- */
.privacy-accept-btn {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 16px 24px 24px;
    background: linear-gradient(to top, var(--color-bg) 60%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.privacy-accept-btn.hidden {
    display: none;
}

.accept-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), #E65100);
    color: #000;
    border: none;
    border-radius: var(--border-radius);
    padding: 16px 48px;
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    width: 100%;
    max-width: 400px;
    text-align: center;
    line-height: 1.2;
    box-shadow: 0 4px 20px var(--color-glow);
    transition: all 0.3s;
}

.accept-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--color-glow);
}

/* ---- Lightbox ---- */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.92);
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.open {
        display: flex;
    }

    .hero-inner {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

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

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-mockup .device-mockup {
        max-width: 200px;
    }

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

    .carousel-slide .device-mockup {
        max-width: 200px;
    }

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

    .contact-card {
        padding: 24px 16px;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.7rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* ---- Animations ---- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}