/* ============================================
   Screenshots.AI Landing Page Styles
   Theme: Dark mode with glassmorphism
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Updated to match App Theme (Neutral Dark + Indigo/Purple) */
    --bg-darkest: #000000;
    --bg-primary: #09090b;
    --bg-secondary: #18181b;
    --bg-tertiary: #27272a;
    --bg-glass: rgba(24, 24, 27, 0.8);
    --bg-glass-light: rgba(39, 39, 42, 0.6);

    --accent-blue: #6366f1;
    --accent-blue-dark: #4f46e5;
    --accent-cyan: #8b5cf6;
    --accent-purple: #a855f7;

    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;

    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-light: rgba(255, 255, 255, 0.12);

    /* Gradients */
    --gradient-blue: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 120px;
    --section-padding-mobile: 60px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Effects */
    --blur-glass: blur(20px);
    --blur-glow: blur(100px);
    --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.2);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-darkest);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

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

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

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

/* Glass Card */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--gradient-blue);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass-light);
}

.btn-secondary:hover {
    background: var(--bg-glass-light);
    border-color: var(--accent-blue);
}

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

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid var(--border-glass);
    width: 100%;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    box-sizing: border-box;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-img {
    height: 38px;
    width: auto;
}

.logo-text {
    font-size: 1.4rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-blue);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 800;
}

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

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

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

.nav-cta {
    padding: 10px 20px;
    background: var(--gradient-blue);
    border-radius: 8px;
    color: white !important;
}

.nav-cta:hover {
    opacity: 0.9;
}

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

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: var(--blur-glow);
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: rgba(99, 102, 241, 0.15);
    top: -200px;
    right: -100px;
}

.hero-glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(139, 92, 246, 0.1);
    bottom: -100px;
    left: -100px;
}

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

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.9em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Hero Media / Placeholder */
.hero-media {
    position: relative;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid var(--border-glass-light);
    box-shadow: var(--shadow-card);
}

.hero-placeholder {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 16px;
    border: 1px solid var(--border-glass-light);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-tertiary);
}

.placeholder-icon {
    width: 64px;
    height: 64px;
    opacity: 0.5;
}

.placeholder-content span {
    font-size: 1rem;
    font-weight: 500;
}

.placeholder-hint {
    font-size: 0.875rem !important;
    opacity: 0.7;
}

/* ============================================
   Social Proof / Stats Bar
   ============================================ */
.social-proof {
    padding: 40px 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border-radius: 10px;
    color: var(--accent-blue);
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-label {
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--section-padding) 0;
    background: var(--bg-darkest);
}

.feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
}

.feature:last-child {
    margin-bottom: 0;
}

.feature-right .feature-content {
    order: 2;
}

.feature-right .feature-image {
    order: 1;
}

.feature-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

.feature-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.feature-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
}

.feature-list svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--accent-cyan);
    margin-top: 2px;
}

.feature-image {
    position: relative;
}

.feature-placeholder {
    aspect-ratio: 4 / 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-tertiary);
    font-weight: 500;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: 24px;
    text-align: center;
}

.feature-placeholder .placeholder-label {
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-screenshot {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Feature Highlight (URL Extraction) */
.feature-highlight {
    position: relative;
    padding: 60px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 24px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

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

.step {
    position: relative;
    padding: 40px 32px;
    text-align: center;
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-blue);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 16px;
    color: var(--accent-blue);
}

.step-icon svg {
    width: 32px;
    height: 32px;
}

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

.step-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--section-padding) 0;
    background: var(--bg-darkest);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    max-width: 100%;
    height: 400px;
    background: var(--gradient-glow);
    pointer-events: none;
}

.cta-card {
    position: relative;
    padding: 80px;
    text-align: center;
    background: linear-gradient(135deg, rgba(24, 24, 27, 0.8) 0%, rgba(39, 39, 42, 0.4) 100%);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    margin-bottom: 32px;
}

.cta-coming-soon {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 40px;
}

.coming-soon-badge {
    padding: 4px 10px;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-purple);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cta-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.cta-feature svg {
    width: 20px;
    height: 20px;
    color: var(--accent-cyan);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.faq-expanded {
    display: none;
    margin-top: 24px;
}

.faq-expanded.show {
    display: grid;
}

.faq-toggle {
    display: flex;
    margin: 32px auto 0;
    gap: 8px;
}

.faq-toggle-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal);
}

.faq-toggle.expanded .faq-toggle-icon {
    transform: rotate(180deg);
}

.faq-item {
    padding: 32px;
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

.footer-tagline {
    color: var(--text-secondary);
    margin-top: 16px;
}

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

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-glass);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-title {
        font-size: 2.75rem;
    }

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

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .hero-media {
        max-width: 600px;
        margin: 0 auto;
    }

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

    .feature-right .feature-content,
    .feature-right .feature-image {
        order: unset;
    }

    .feature-highlight {
        padding: 40px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

    .footer-links {
        justify-items: center;
    }
}

/* Mobile */
@media (max-width: 640px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(9, 9, 11, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        z-index: 999;
        padding-top: 0;
        padding-bottom: 0;
    }

    .nav-links.nav-open {
        display: flex;
        max-height: 400px;
        opacity: 1;
        pointer-events: all;
        padding: 24px;
    }

    .nav-links a {
        padding: 12px 0;
        font-size: 1.1rem;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
        margin-top: 8px;
    }

    .nav-mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-container {
        padding: 0 16px;
    }

    .logo-img {
        height: 32px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .container {
        padding: 0 16px;
    }

    .hero {
        padding-top: 100px;
    }

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

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

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

    .btn {
        width: 100%;
        max-width: 300px;
    }

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

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

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

    .feature-highlight {
        padding: 24px;
        margin: 0 -24px;
        border-radius: 0;
    }

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

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

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

    .cta-features {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Hover Effects */
.glass-card {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.step:hover .step-icon {
    background: rgba(99, 102, 241, 0.2);
}

/* Focus States */
.btn:focus-visible,
.nav-links a:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}