:root {
    --primary-color: #6963d8;
    --secondary-color: #D863BB;
    --text-color: #333333;
    --light-gray: #f5f5f7;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 1rem 0;
}

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

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

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 25px;
    margin-bottom: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero .lead {
    font-size: 1.5rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.store-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.coming-soon-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.app-store-button {
    display: inline-block;
    transition: all 0.3s ease;
}

.app-store-button:hover {
    transform: translateY(-2px);
}

.app-store-button img {
    height: 45px;
    display: block;
}

/* App Showcase */
.app-showcase {
    padding: 6rem 0;
    background-color: var(--light-gray);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 0 auto;
    max-width: 1000px;
}

.screenshot {
    width: 100%;
    height: auto;
    border-radius: 25px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

/* Features */
.features {
    padding: 6rem 0;
    background-color: var(--white);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature {
    text-align: center;
    padding: 2rem;
}

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

.feature p {
    color: var(--text-color);
    opacity: 0.8;
    font-size: 1.1rem;
}

/* Support */
.support {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    position: relative;
    overflow: hidden;
}

.support::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
}

.support-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.support-icon {
    width: 24px;
    height: 24px;
    color: var(--white);
    opacity: 0.9;
}

.support-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.support-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Device Frame */
.device-frame {
    background: var(--white);
    border-radius: 45px;
    padding: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.device-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 25px;
    background: var(--white);
    border-radius: 0 0 20px 20px;
    z-index: 1;
}

.device-frame:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.3);
}

.screenshot {
    border-radius: 35px;
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 0;
}

/* Feature Enhancements */
.feature {
    position: relative;
    transition: transform 0.3s ease;
}

.feature::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature:hover::after {
    width: 50%;
}

/* Support Link Enhancement */
.support-link {
    position: relative;
    overflow: hidden;
}

.support-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        rgba(255,255,255,0) 0%, 
        rgba(255,255,255,0.1) 50%, 
        rgba(255,255,255,0) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.support-link:hover::before {
    transform: translateX(100%);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 2rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .lead {
        font-size: 1.25rem;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
    
    .app-icon {
        width: 100px;
        height: 100px;
    }
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

/* Section Headers */
section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    font-weight: 700;
}