/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --ink: #17191c;
    --text-light: #5c6066;
    --accent: #a8531c;
    --bg: #ffffff;
    --bg-soft: #fafafa;
    --border: #e2e2e2;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', 'Arial', sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
}

.logo {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.logo span {
    color: var(--text-light);
    font-weight: 500;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--ink);
}

.cta-link {
    color: var(--ink) !important;
    font-weight: 700 !important;
    border: 1px solid var(--ink);
    padding: 8px 16px;
    border-radius: 6px;
    white-space: nowrap;
}

.cta-short {
    display: none;
}

.cta-link:hover {
    background: var(--ink);
    color: var(--bg) !important;
}

/* Hero */
.hero {
    padding: 96px 0 72px;
    background: var(--bg);
}

.hero h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 22px;
    line-height: 1.25;
    max-width: 700px;
    letter-spacing: -0.5px;
}

.hero .subtitle {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 600px;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover,
.btn-orange:hover {
    background: var(--ink);
}

.btn-big {
    font-size: 17px;
    padding: 16px 32px;
}

/* Sections */
section {
    padding: 56px 0;
    border-top: 1px solid var(--border);
}

.hero {
    border-top: none;
}

h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 32px;
    letter-spacing: -0.3px;
}

.section-intro {
    font-size: 16px;
    color: var(--text-light);
    max-width: 620px;
    margin-bottom: 32px;
    line-height: 1.7;
}

/* Problem / Solution pairs */
.pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 22px 0;
    border-bottom: 1px solid var(--border);
}

.pair:last-child {
    border-bottom: none;
}

.tag {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--text-light);
}

.pair p {
    font-size: 16px;
    color: var(--ink);
    line-height: 1.7;
}

/* Materiel / brands */
.brands {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.brand-group p {
    font-size: 15.5px;
    color: var(--ink);
    line-height: 1.7;
    margin-top: 8px;
}

/* Photos */
.photos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 40px;
}

.photos figure {
    margin: 0;
}

.photos img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--border);
}

.photos figcaption {
    font-size: 12.5px;
    color: var(--text-light);
    margin-top: 8px;
    line-height: 1.5;
}

.photos .credit {
    color: #9a9da1;
    font-size: 11px;
}

/* How it works */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step-number {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 10px;
}

.step h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 22px 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    font-size: 16.5px;
    font-weight: 700;
    margin-bottom: 8px;
}

.faq-item p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

/* Final Contact */
.contact {
    text-align: center;
    background: var(--bg-soft);
}

/* Footer */
.footer {
    color: var(--text-light);
    padding: 32px 0;
    font-size: 13px;
    border-top: 1px solid var(--border);
}

.footer p {
    margin: 4px 0;
}

.footer a {
    color: var(--text-light);
    text-decoration: underline;
}

/* Legal page */
.legal h1 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 28px;
}

.legal h2 {
    font-size: 16px;
    font-weight: 700;
    margin: 28px 0 8px;
}

.legal p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 64px 0 48px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero .subtitle {
        font-size: 16px;
    }

    h2 {
        font-size: 22px;
    }

    .nav-links {
        gap: 14px;
    }

    .nav-links a:not(.cta-link) {
        display: none;
    }

    .cta-full {
        display: none;
    }

    .cta-short {
        display: inline;
    }

    .pair,
    .brands,
    .steps {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    section {
        padding: 40px 0;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        text-align: center;
    }
}