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

:root {
    --primary: #4b7db1;
    --primary-hover: #3a618c;
    --bg-light: #f8fafc;
    --bg-card: #ffffff;
    --bg-accent: #eef2f6;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --border-radius-lg: 2.5rem;
    --border-radius-md: 1.25rem;
    --max-width: 1240px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.flex {
    display: flex;
    align-items: center;
}

.grid {
    display: grid;
    gap: 2rem;
}

/* Typography */
h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #0f172a;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.label {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: inline-block;
}

.label-pill {
    background: #f1f5f9;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(75, 125, 177, 0.3);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: var(--bg-accent);
}

/* Components */
.card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

/* Section Specifics */
.hero-content h1 {
    letter-spacing: -0.02em;
    background: linear-gradient(to bottom right, #0f172a 60%, #4b7db1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-blue {
    background: linear-gradient(135deg, #f0f7ff 0%, #e2e8f0 100%);
}

.faq-card {
    cursor: pointer;
}

.faq-card:hover {
    background: var(--bg-accent);
}

/* Header Sticky */
header {
    position: sticky;
    top: 0;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Top Bar */
.top-bar {
    background-color: #f1f5f9;
    border-bottom: 1px solid var(--border-color);
}

.sale-pill {
    background: white;
    padding: 0.25rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

/* Responsive */
@media (max-width: 1024px) {
    h1 { font-size: 3.5rem; }
    .section { padding: 5rem 0; }
    .hero { flex-direction: column; text-align: center; }
    .hero-content { order: 2; width: 100%; }
    .hero-image { order: 1; margin-bottom: 3rem; width: 100%; }
    .hero-content .flex { justify-content: center; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.75rem; }
    .container { padding: 0 1.5rem; }
    .grid { grid-template-columns: 1fr !important; }
    
    header nav {
        display: none;
    }

    header {
        justify-content: center !important;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2.25rem; }
    .hero-content .flex { flex-direction: column; gap: 1rem; }
    .btn { width: 100%; }
}