/* assets/css/main.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #1976D2;
    --primary-dark: #115293;
    --secondary: #FFC107;
    --secondary-dark: #e0a800;
    --bg-color: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --border: #e2e8f0;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
}

/* Header */
header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    font-weight: 800; 
    font-size: 1.4rem; 
    color: var(--primary); 
    letter-spacing: -0.5px;
}

.logo svg { 
    width: 36px; 
    height: 36px; 
    fill: var(--primary); 
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1rem;
}

.btn-primary { 
    background: var(--primary); 
    color: var(--white); 
    box-shadow: 0 4px 6px -1px rgba(25,118,210,0.2);
}

.btn-primary:hover { 
    background: var(--primary-dark); 
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(25,118,210,0.3);
}

.btn-secondary { 
    background: var(--secondary); 
    color: #000; 
    box-shadow: 0 4px 6px -1px rgba(255,193,7,0.3);
}

.btn-secondary:hover { 
    background: var(--secondary-dark); 
    transform: translateY(-1px);
}

/* Badge */
.price-badge { 
    display: inline-block; 
    background: var(--white); 
    padding: 6px 16px; 
    border-radius: 20px; 
    font-weight: 700; 
    color: var(--primary); 
    margin-bottom: 24px; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.06); 
    font-size: 0.9rem;
    border: 1px solid rgba(25,118,210,0.1);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(25,118,210,0.03) 0%, rgba(25,118,210,0.08) 100%);
    position: relative;
    overflow: hidden;
}

.hero h1 { 
    font-size: 3.5rem; 
    font-weight: 800; 
    margin-bottom: 24px; 
    color: #0f172a; 
    line-height: 1.15;
    letter-spacing: -1px;
}

.hero p { 
    font-size: 1.25rem; 
    color: var(--text-muted); 
    max-width: 650px; 
    margin: 0 auto 40px; 
    line-height: 1.7;
}

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

.section-title { 
    text-align: center; 
    font-size: 2.2rem; 
    margin-bottom: 50px; 
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.5px;
}

.grid-3 { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 40px; 
}

.feature-card { 
    padding: 40px; 
    border: 1px solid var(--border); 
    border-radius: 16px; 
    background: #fff; 
    text-align: left; 
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02); 
    transition: all 0.3s ease;
}

.feature-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05); 
    border-color: rgba(25,118,210,0.2);
}

.feature-card svg { 
    width: 42px; 
    height: 42px; 
    fill: var(--primary); 
    margin-bottom: 24px; 
    padding: 8px;
    background: rgba(25,118,210,0.1);
    border-radius: 10px;
}

.feature-card h3 { 
    margin-bottom: 12px; 
    font-size: 1.3rem; 
    font-weight: 700;
    color: #0f172a;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* FAQ */
.faq { 
    padding: 80px 0; 
    background: var(--bg-color);
}

.faq-item { 
    background: #fff; 
    border: 1px solid var(--border); 
    border-radius: 12px; 
    margin-bottom: 16px; 
    padding: 24px; 
    cursor: pointer; 
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: rgba(25,118,210,0.3);
}

.faq-item h4 { 
    font-size: 1.15rem; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    color: #0f172a;
    font-weight: 600;
}

.faq-item h4 span {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 300;
}

.faq-item p { 
    margin-top: 16px; 
    color: var(--text-muted); 
    display: none; 
    line-height: 1.6;
}

.faq-item.active p { 
    display: block; 
}
.faq-item.active h4 span {
    transform: rotate(45deg);
}

/* CTA Footer Section */
.cta-section {
    background: var(--primary);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
}

/* Footer */
footer { 
    background: #0f172a; 
    color: #94a3b8; 
    padding: 60px 0 30px; 
    text-align: center; 
}

footer .links { 
    margin-bottom: 30px; 
    display: flex;
    justify-content: center;
    gap: 30px;
}

footer .links a { 
    color: #e2e8f0; 
    font-weight: 500;
    transition: color 0.2s ease;
}

footer .links a:hover {
    color: var(--secondary);
}

footer p { 
    font-size: 0.9rem; 
}

/* Responsive */
@media(max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1.1rem; }
    .hero { padding: 60px 0; }
    .section-title { font-size: 1.8rem; }
    .cta-section h2 { font-size: 2rem; }
    .grid-3 { grid-template-columns: 1fr; }
    .logo { font-size: 1.2rem; }
}