/* ============================================
   Setchill.be — Site Vitrine
   ============================================ */

/* --- Fonts --- */
@font-face {
    font-family: 'Montserrat';
    src: url('/assets/fonts/Montserrat-Regular.ttf') format('truetype');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Montserrat';
    src: url('/assets/fonts/Montserrat-Bold.ttf') format('truetype');
    font-weight: 700;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter-Regular.ttf') format('truetype');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter-Bold.ttf') format('truetype');
    font-weight: 700;
    font-display: swap;
}

/* --- Variables --- */
:root {
    --color-primary: #1F4E79;
    --color-primary-light: #2D7FF9;
    --color-primary-dark: #163A5C;
    --color-text: #2B2B2B;
    --color-text-secondary: #A0A0A0;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5F7FA;
    --color-border: #E2E8F0;
    --color-success: #27AE60;
    --color-warning: #F39C12;
    --color-error: #E74C3C;
    --font-heading: 'Montserrat', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --max-width: 1200px;
    --radius: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: 0.2s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
img { max-width: 100%; height: auto; }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-primary); line-height: 1.2; }
h1 { font-size: 48px; font-weight: 700; }
h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; }
h3 { font-size: 22px; font-weight: 600; margin-bottom: 12px; }
h4 { font-size: 18px; font-weight: 600; }
.subtitle { font-size: 18px; color: var(--color-text-secondary); line-height: 1.6; }
.text-center { text-align: center; }
.text-white { color: white; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-48 { margin-bottom: 48px; }

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
}
.btn-primary {
    background: var(--color-primary-light);
    color: white;
}
.btn-primary:hover {
    background: var(--color-primary);
    color: white;
}
.btn-secondary {
    background: transparent;
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}
.btn-secondary:hover {
    background: var(--color-primary-light);
    color: white;
}
.btn-white {
    background: white;
    color: var(--color-primary);
}
.btn-white:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}
.navbar-logo { height: 36px; }
.navbar-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.navbar-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 14px;
    color: var(--color-text);
    transition: color var(--transition);
}
.navbar-links a:hover { color: var(--color-primary-light); }
.navbar-links .btn { padding: 10px 20px; font-size: 13px; }

/* Mobile menu */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--color-text); margin: 5px 0;
    transition: all var(--transition);
}

/* --- Hero --- */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: rgba(45, 127, 249, 0.1);
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -300px; left: -200px;
    width: 800px; height: 800px;
    border-radius: 50%;
    background: rgba(45, 127, 249, 0.06);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: white; font-size: 52px; margin-bottom: 20px; max-width: 700px; }
.hero .subtitle { color: rgba(255,255,255,0.8); font-size: 20px; max-width: 560px; margin-bottom: 36px; }
.hero-buttons { display: flex; gap: 16px; }
.hero-tagline {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

/* --- Cards --- */
.card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.card-icon {
    width: 48px; height: 48px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
}
.card h3 { color: var(--color-primary); }
.card p { color: var(--color-text-secondary); font-size: 14px; line-height: 1.6; }

/* --- Steps --- */
.step { text-align: center; padding: 24px; }
.step-number {
    width: 48px; height: 48px;
    background: var(--color-primary-light);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 20px;
    margin: 0 auto 16px;
}

/* --- Stats --- */
.stat { text-align: center; padding: 24px; }
.stat-value {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary-light);
}
.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* --- CTA Banner --- */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 64px 0;
    text-align: center;
    color: white;
}
.cta-banner h2 { color: white; margin-bottom: 12px; }
.cta-banner .subtitle { color: rgba(255,255,255,0.8); margin-bottom: 32px; }

/* --- Features list --- */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-text h3 { margin-bottom: 12px; }
.feature-text p { color: var(--color-text-secondary); margin-bottom: 16px; }
.feature-list { list-style: none; }
.feature-list li {
    padding: 6px 0;
    padding-left: 28px;
    position: relative;
    font-size: 14px;
    color: var(--color-text-secondary);
}
.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

/* --- FAQ --- */
.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
}
.faq-question {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question::after { content: '+'; font-size: 24px; color: var(--color-primary-light); }
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.6;
}
.faq-item.open .faq-answer { max-height: 200px; padding-top: 12px; }

/* --- Footer --- */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 48px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}
.footer-logo { height: 32px; margin-bottom: 12px; filter: brightness(0) invert(1); }
.footer-desc { font-size: 13px; line-height: 1.6; max-width: 280px; }
.footer h4 { color: white; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 13px; }
.footer-links a:hover { color: white; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

/* --- Contact form --- */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 14px;
    transition: border-color var(--transition);
    background: white;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(45, 127, 249, 0.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* --- Responsive --- */
@media (max-width: 768px) {
    h1 { font-size: 32px; }
    h2 { font-size: 24px; }
    .hero { padding: 120px 0 60px; }
    .hero h1 { font-size: 36px; }
    .grid-2, .grid-3, .grid-4, .feature-row, .footer-grid { grid-template-columns: 1fr; }
    .feature-row.reverse { direction: ltr; }
    .navbar-links { display: none; }
    .menu-toggle { display: block; }
    .navbar-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px; left: 0; right: 0;
        background: white;
        padding: 24px;
        box-shadow: var(--shadow-lg);
    }
    .hero-buttons { flex-direction: column; }
    .section { padding: 48px 0; }
}