@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Unica+One&display=swap');

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

:root {
    --primary-black: #000000;
    --primary-white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    --font-family: 'Share Tech Mono', monospace;
    --font-family-display: 'Unica One', cursive;
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 24px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-black);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-black);
}

.cta-button {
    background: var(--primary-black);
    color: var(--primary-white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: var(--gray-800);
    transform: translateY(-1px);
}

.cta-button:hover {
    background: var(--primary-white);
    color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.store-button img {
    width: 24px;
    height: 24px;
}

.store-button.large img {
    width: 28px;
    height: 28px;
}

.store-text-small {
    font-size: 0.75rem;
    opacity: 0.8;
}

.store-text-large {
    font-size: 1rem;
    font-weight: 600;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.stat-text {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.user-avatars {
    display: flex;
    align-items: center;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-300);
    border: 3px solid var(--primary-white);
    margin-left: -8px;
}

.avatar:first-child {
    margin-left: 0;
}

.avatar-more {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-600);
    color: var(--primary-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-left: -8px;
    border: 3px solid var(--primary-white);
}

/* Phone Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: var(--primary-black);
    border-radius: 30px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
    z-index: 2;
}

.phone-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 22px;
    z-index: 15;
}

/* Hide static content when iframe is present */
.phone-mockup .phone-screen {
    display: none;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--primary-white);
    border-radius: 22px;
    overflow: hidden;
    position: relative;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--primary-white);
}

.time {
    font-weight: 600;
    font-size: 0.9rem;
}

.status-bar {
    width: 60px;
    height: 12px;
    background: var(--primary-black);
    border-radius: 6px;
}

.app-content {
    padding: 20px;
}

.app-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-black);
}

.photo-series {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
}

.series-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.series-thumb {
    width: 50px;
    height: 50px;
    background: var(--gray-300);
    border-radius: 50%;
    border: 2px solid var(--gray-400);
}

.series-item span {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.trash-icon {
    font-size: 1.2rem;
    padding: 8px;
    background: var(--gray-100);
    border-radius: 50%;
}

.main-photo {
    position: relative;
}

.photo-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
    border-radius: var(--border-radius-md);
    margin-bottom: 15px;
}

.photo-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.action-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn.reject {
    background: var(--gray-200);
    color: var(--gray-600);
}

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

.action-btn.favorite {
    background: var(--gray-200);
    color: var(--gray-600);
}

.bottom-nav {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    padding: 15px;
    background: var(--primary-white);
    border-top: 1px solid var(--gray-200);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    color: var(--gray-500);
}

.nav-item.active {
    color: var(--primary-black);
}

.nav-item span:first-child {
    font-size: 1.2rem;
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-star {
    position: absolute;
    top: 20%;
    right: 10%;
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.floating-heart {
    position: absolute;
    bottom: 30%;
    left: 15%;
    font-size: 1.5rem;
    animation: float 2s ease-in-out infinite reverse;
}

.floating-circle {
    position: absolute;
    top: 60%;
    right: 20%;
    width: 60px;
    height: 60px;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite;
}

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

/* Features Section */
.features {
    padding: 80px 2rem;
    background: var(--primary-white);
}

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.features-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--border-radius-xl);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gray-300);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 2rem;
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-black);
    color: var(--primary-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.step p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 80px 2rem;
    background: var(--primary-white);
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.download-content p {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--primary-white);
    padding: 60px 2rem 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--gray-400);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.link-group h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.link-group a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--primary-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
    color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        padding: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero {
        padding: 80px 1rem 40px;
    }
    
    .hero-content {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        min-height: calc(100vh - 120px);
    }
    
    .hero-text {
        max-width: 90%;
        margin: 0 auto;
    }
    
    .hero-visual {
        order: 2;
        margin-top: 2rem;
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .phone-mockup {
        width: 45vw;
        height: calc(45vw * 2);
        max-width: 300px;
        max-height: 600px;
    }
    
    .features,
    .how-it-works,
    .download {
        padding: 60px 1rem;
    }
    
    .features-header h2,
    .section-header h2,
    .download-content h2 {
        font-size: 2rem;
    }
    
    .app-store-buttons,
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .phone-mockup {
        width: 90vw;
        height: calc(90vw * 2);
        max-height: 100vh;
        padding: 4px;
        border-radius: 20px;
    }
    .phone-iframe {
        border-radius: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
}

/* Hero Section */
.hero {
    padding: 80px 1rem 40px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--primary-white) 100%);
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: calc(100vh - 120px); /* header + bottom padding */
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: var(--gray-100);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 1.5rem;
    border: 1px solid var(--gray-200);
}

.sparkle {
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--primary-black);
}

.highlight {
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0.2em;
    left: 0;
    right: 0;
    height: 0.3em;
    background: var(--gray-300);
    z-index: -1;
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.app-store-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary-black);
    color: var(--primary-white);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    border: 2px solid var(--primary-black);
}

.store-button:hover {
    background: var(--primary-white);
    color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.store-button.large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Display font for headings */
.hero-title,
.nav-brand h1,
.feature-card h3,
.section-header h2,
.features-header h2,
.download-content h2,
.step-number {
    font-family: var(--font-family-display);
    letter-spacing: 0.02em;
}

/* Mobile Demo Section */
.mobile-demo {
    display: none; /* hidden by default */
    padding: 2rem 0 4rem;
    background: var(--gray-50);
}

@media (max-width: 768px) {
    .hero-visual {
        display: none !important;
    }
    .mobile-demo {
        display: flex;
        justify-content: center;
    }
    .mobile-demo .phone-mockup {
        margin: 0 auto;
    }
}