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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.navbar {
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.pill-icon {
    font-size: 28px;
}

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

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

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

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

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

.hero-content {
    color: white;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1f2937;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 24px;
    background: #1f2937;
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 60px 20px 20px;
}

.preview-header {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.preview-pills {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pill-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.5s ease-out;
}

.pill-dot {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
}

.pill-item span {
    font-size: 14px;
    color: var(--text-dark);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.feature-card.coming-soon {
    opacity: 0.85;
}

.feature-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    font-size: 12px;
    font-weight: 600;
    background: var(--gradient-1);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    margin-top: 60px;
}

.step {
    text-align: center;
    padding: 0 20px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.step h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--gradient-1);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.download-note {
    font-size: 24px;
    margin-top: 0;
    font-weight: 700;
    opacity: 1;
}

.apple-icon {
    display: flex;
    align-items: center;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: var(--text-dark);
    color: white;
}

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

.footer-left {
    flex: 1;
    display: flex;
    align-items: center;
}

.footer-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.footer-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
}

.footer-text {
    font-size: 16px;
    margin-bottom: 12px;
    opacity: 0.8;
}

.footer-built {
    font-size: 14px;
    margin: 0;
    opacity: 0.9;
}

.footer-built a {
    color: white;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.footer-built a:hover {
    border-bottom-color: white;
    opacity: 1;
}

.footer-copyright {
    font-size: 14px;
    margin: 0;
    opacity: 0.6;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .cta-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .nav-links {
        display: none;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}