:root {
    --primary: #2d3436;
    --accent: #0984e3;
    --background: #ffffff;
    --surface: #f8f9fa;
    --text: #1a1a1a;
    --text-secondary: #636e72;
    --border: #dfe6e9;
    --great: #00b894;
    --unsure: #fdcb6e;
    --struggling: #ff7675;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
}

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

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

h1,
h2,
h3 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.2;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
header {
    height: 80px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.logo span {
    color: var(--accent);
}

/* Hero */
.hero {
    padding: var(--spacing-xxl) 0;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(9, 132, 227, 0.05), transparent);
}

.hero h1 {
    font-size: 56px;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 18px;
    transition: transform 0.2s, background-color 0.2s;
    gap: var(--spacing-sm);
}

.cta-button:hover {
    transform: translateY(-2px);
    background-color: #000;
}

.coming-soon {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 14px;
    color: var(--text-secondary);
}

/* App Preview Placeholders */
.screenshots {
    margin-top: var(--spacing-xxl);
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-xl);
}

.screenshot-placeholder {
    width: 310px;
    aspect-ratio: 1170 / 2532;
    background: #1a1a1a;
    /* Match bezel */
    border: 14px solid #1a1a1a;
    border-radius: 48px;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    flex-shrink: 0;
}

.screenshot-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Fill the frame completely */
    display: block;
}

/* Optional: Add a subtle 'Notch' for realism */
.screenshot-placeholder::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 25px;
    background: #1a1a1a;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    z-index: 10;
}

/* Features */
.features {
    padding: var(--spacing-xxl) 0;
    background-color: var(--surface);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: transform 0.2s;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(9, 132, 227, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Philosophy */
.philosophy {
    padding: var(--spacing-xxl) 0;
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.philosophy-text h2 {
    font-size: 36px;
    margin-bottom: var(--spacing-md);
}

.philosophy-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.philosophy-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.philosophy-image img {
    max-width: 240px;
    /* Designer's choice: manageable, elegant size */
    height: auto;
    border-radius: 48px;
    /* High radius for "squircle" look */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Footer */
footer {
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-nav {
    margin-bottom: var(--spacing-md);
}

.footer-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 var(--spacing-md);
    font-size: 14px;
}

.footer-nav a:hover {
    color: var(--accent);
}

.copyright {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Legal Pages Styling */
.legal-content {
    max-width: 800px;
    margin: var(--spacing-xxl) auto;
}

.legal-content h1 {
    margin-bottom: var(--spacing-xl);
}

.legal-content h2 {
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.legal-content p,
.legal-content ul {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.legal-content ul {
    padding-left: var(--spacing-xl);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 40px;
    }

    .philosophy-content {
        grid-template-columns: 1fr;
    }
}