/* ===================================
   FlickMeets Professional Landing Page
   Modern Video Chat App Design
   =================================== */

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

:root {
    /* Colors */
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --accent: #f093fb;
    --success: #10B981;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-tertiary: #edf2f7;
    --border: #e2e8f0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px 20px;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Navigation
   =================================== */

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

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

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

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

.stat {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* ===================================
   Hero Visual (Phone Mockup)
   =================================== */

.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.phone-mockup {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.phone-frame {
    background: #1a202c;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 32px;
    overflow: hidden;
    aspect-ratio: 9/19.5;
}

.video-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
}

.video-user {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.user-name {
    font-weight: 700;
    font-size: 16px;
}

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

.video-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.control-btn {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.2s;
}

.control-btn:hover {
    transform: scale(1.1);
}

.next-btn {
    width: auto;
    padding: 0 24px;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 600;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    animation: floatCard 3s infinite ease-in-out;
}

.card-1 {
    top: 10%;
    left: -60px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    right: -60px;
    animation-delay: 1.5s;
}

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

/* ===================================
   Features Section
   =================================== */

.features {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

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

.feature-icon {
    margin-bottom: 20px;
}

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

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   How It Works
   =================================== */

.how-it-works {
    padding: var(--section-padding);
}

.steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    margin: 0 auto 20px;
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.step-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
}

.step-arrow {
    font-size: 32px;
    color: var(--primary);
    font-weight: 700;
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.cta-card {
    background: white;
    border-radius: 24px;
    padding: 64px;
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
}

.cta-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.email-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.email-input-large {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.2s;
}

.email-input-large:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.cta-note {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 14px;
}

.cta-note svg {
    color: #feca57;
}

#subscriberCount {
    font-weight: 700;
    color: var(--primary);
}

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

.download-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.store-badges {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.store-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--text-primary);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s;
}

.store-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.store-badge.coming-soon {
    opacity: 0.5;
    cursor: not-allowed;
}

.badge-text {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-store {
    font-size: 16px;
    font-weight: 700;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--text-primary);
    color: white;
    padding: 64px 20px 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

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

.social-links-footer 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;
    text-decoration: none;
    transition: all 0.2s;
}

.social-links-footer a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ===================================
   Toast Notification
   =================================== */

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: white;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

.spinner-circle {
    stroke: currentColor;
    stroke-width: 4;
    fill: none;
    stroke-dasharray: 50;
    stroke-dashoffset: 25;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 2;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-description {
        margin: 0 auto 32px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .cta-card {
        grid-template-columns: 1fr;
        padding: 48px 32px;
    }
    
    .floating-card {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .email-form {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .cta-title {
        font-size: 28px;
    }
}