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

:root {
    --primary: #4A90A4;
    --primary-dark: #3A7A94;
    --text: #1a1a2e;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e5e7eb;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 2rem;
}

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

nav .logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}

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

nav .nav-links a {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e8f4f8 100%);
}

.hero .container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-content h1 span {
    color: var(--primary);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 500px;
}

.app-store-btn {
    display: inline-block;
    transition: transform 0.2s, opacity 0.2s;
}

.app-store-btn img {
    height: 54px;
}

.app-store-btn:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-image .phone-mockup {
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #2c3e50, #4a90a4);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 25px 80px rgba(74, 144, 164, 0.3);
}

.hero-image .phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a2a3a 0%, #2c4a5a 50%, #3a6a7a 100%);
    border-radius: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.phone-screen .fan-icon {
    font-size: 80px;
    margin-bottom: 20px;
    animation: spin 3s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.phone-screen .app-title {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: var(--bg);
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 16px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Footer */
footer {
    background: var(--text);
    color: white;
    padding: 3rem 2rem;
}

footer .container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer .footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

footer .footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

footer .footer-links a:hover {
    color: white;
}

footer .copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* Page Styles */
.page {
    padding: 8rem 2rem 4rem;
    min-height: 100vh;
}

.page .container {
    max-width: 800px;
    margin: 0 auto;
}

.page h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page .updated {
    color: var(--text-light);
    margin-bottom: 3rem;
}

.page h2 {
    font-size: 1.5rem;
    margin: 2.5rem 0 1rem;
    color: var(--text);
}

.page p, .page li {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.page ul {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Support Page */
.support-card {
    background: var(--bg-alt);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    margin-top: 2rem;
}

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

.support-card h2 {
    margin: 0 0 1rem;
}

.support-card .email {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        margin: 0 auto 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    nav .nav-links {
        gap: 1rem;
    }
}

@media (max-width: 600px) {
    nav {
        padding: 1rem;
    }

    nav .nav-links {
        gap: 0.75rem;
        font-size: 0.85rem;
    }

    footer .container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}