/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg-color: #FBFBFD;
    /* Apple off-white */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --accent-color: #0071E3;
    /* Apple Blue */
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 14px 40px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    /* Subtle mesh gradient background */
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255, 184, 148, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(184, 169, 229, 0.08) 0%, transparent 40%);
}

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

/* Hero Section */
.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 80px 0 60px;
    min-height: 90vh;
    flex-direction: column;
}

.phone-container {
    position: relative;
    margin-bottom: 40px;
    z-index: 10;
}

.hero-image {
    width: 320px;
    max-width: 100%;
    height: auto;
    border-radius: 40px;
    /* Soft volumetric shadow */
    box-shadow:
        0 30px 60px -12px rgba(50, 50, 93, 0.25),
        0 18px 36px -18px rgba(0, 0, 0, 0.3);
    transition: transform 0.1s ease-out;
}

h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.text-gradient {
    background: linear-gradient(135deg, #FFB894 0%, #B8A9E5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 21px;
    color: var(--text-secondary);
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.4;
}

.app-store-button {
    display: inline-flex;
    align-items: center;
    background-color: #000;
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 980px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    gap: 10px;
}

.app-store-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    background-color: #1a1a1a;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 60px 0 100px;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: rgba(255, 255, 255, 0.8);
}

.icon-3d {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-3d svg {
    width: 100%;
    height: 100%;
    drop-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.glass-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.glass-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Footer (Apple-style) */
footer {
    background-color: #F5F5F7;
    /* Slightly darker than body */
    padding: 40px 0;
    font-size: 12px;
    color: var(--text-secondary);
    border-top: 1px solid #dcdcdc;
}

.footer-content {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.footer-links a {
    color: #424245;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #000;
    text-decoration: underline;
}

.separator {
    color: #d2d2d7;
}

.contact-us a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-us a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 42px;
    }

    .subtitle {
        font-size: 18px;
        padding: 0 10px;
    }

    .hero-image {
        width: 260px;
    }
}