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

:root {
    --primary-color: #F38C03;
    --primary-dark: #B35A00;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-dark: #1a1a1a;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

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

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: scale(1.1);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

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

.cta-button-small {
    background: var(--primary-color);
    color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.cta-button-small::after {
    display: none;
}

.cta-button-small:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.pun {
    color: var(--primary-color);
    font-style: italic;
    display: inline-block;
    position: relative;
}

.pun::after {
    content: '✨';
    position: absolute;
    right: -40px;
    top: 0;
    font-size: 32px;
    animation: sparkle 2s ease-in-out infinite;
}

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

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    margin-bottom: 24px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

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

.cta-button.large {
    padding: 20px 48px;
    font-size: 20px;
}

.button-icon {
    font-size: 24px;
}

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

/* Phone Mockup */
.phone-mockup {
    position: relative;
    max-width: 320px;
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.screenshot-img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    display: block;
}

.phone-screen {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    border-radius: 36px;
    padding: 14px;
    box-shadow: var(--shadow-lg);
}

.mockup-content {
    background: #f8f8f8;
    border-radius: 28px;
    padding: 32px;
    min-height: 640px;
}

.mockup-header {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.mockup-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mockup-item {
    background: white;
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    font-size: 17px;
    color: var(--text-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mockup-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

/* How It Works Section */
.how-it-works {
    padding: 60px 0;
    background: var(--bg-primary);
    position: relative;
    z-index: 2;
    margin-top: 0;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 80px;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-card.horizontal {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    text-align: left;
}

.feature-card.horizontal:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-color);
    background: white;
}

.feature-icon-wrapper {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-card.horizontal:hover .feature-icon-wrapper {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 40px;
    transition: transform 0.3s ease;
}

.feature-card.horizontal:hover .feature-icon {
    transform: scale(1.1);
}

.feature-content {
    flex: 1;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
    margin: 0;
}

/* Screenshots Section */
.screenshots {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 48px;
    margin-top: 60px;
}

.screenshot-card {
    text-align: center;
}

.screenshot-card .screenshot-img {
    margin-bottom: 32px;
    transition: transform 0.4s ease;
    border-radius: var(--radius-lg);
    width: 100%;
    height: auto;
}

.screenshot-card:hover .screenshot-img {
    transform: scale(1.02);
}

.screenshot-placeholder {
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    border-radius: var(--radius-lg);
    padding: 80px 40px;
    margin-bottom: 32px;
    min-height: 540px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    overflow: hidden;
    position: relative;
}

.screenshot-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.screenshot-card:hover .screenshot-placeholder::before {
    left: 100%;
}

.screenshot-card:hover .screenshot-placeholder {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

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

.placeholder-icon {
    font-size: 80px;
    display: block;
    margin-bottom: 16px;
}

.placeholder-content p {
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: 600;
}

.screenshot-card h4 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.screenshot-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta > p {
    font-size: 22px;
    margin-bottom: 48px;
    opacity: 0.95;
}

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

.cta .cta-button:hover {
    background: #f5f5f5;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.cta-note {
    margin-top: 32px;
    font-size: 16px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: white;
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links a:not(.cta-button-small) {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 36px;
        margin-bottom: 60px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card.horizontal {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    
    .feature-icon-wrapper {
        width: 70px;
        height: 70px;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cta h2 {
        font-size: 36px;
    }
    
    .how-it-works,
    .screenshots,
    .cta {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 60px 0 80px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .how-it-works,
    .screenshots,
    .cta {
        padding: 60px 0;
    }
}