/* Life Tape Theme */
:root {
    --emerald: #00674F;
    --surface: #005542;
    --surface-variant: #0A8061;
    --primary: #00A37A;
    --accent: #D4AF37;
    --text-light: #F7F2E7;
    --text-dark: #0B2E27;
}

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

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

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

/* Header */
header {
    background: var(--emerald);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-light);
}

nav {
    display: flex;
    gap: 30px;
}

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

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

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--emerald) 0%, var(--surface) 100%);
    color: var(--text-light);
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero .subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 30px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    border: 3px solid var(--accent);
}

.btn-primary {
    background: var(--accent);
    color: var(--text-dark);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--emerald);
}

/* Features */
.features {
    padding: 80px 0;
    background: var(--text-light);
}

.features h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--emerald);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 103, 79, 0.15);
    border-color: var(--accent);
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--emerald);
}

.feature-card p {
    color: var(--text-dark);
    opacity: 0.8;
    line-height: 1.8;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: var(--surface);
    color: var(--text-light);
}

.how-it-works h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--accent);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--accent);
    color: var(--emerald);
    font-size: 36px;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.step h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--accent);
}

.step p {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.8;
}

/* CTA */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--surface-variant) 100%);
    color: var(--text-light);
    text-align: center;
}

.cta h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* Footer */
footer {
    background: var(--emerald);
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--accent);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(247, 242, 231, 0.2);
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero .subtitle {
        font-size: 18px;
    }

    nav {
        gap: 15px;
    }

    .feature-grid,
    .steps {
        grid-template-columns: 1fr;
    }
}