:root {
    --primary: #1b3b6f;
    --primary-light: #24559d;
    --accent: #00b894;
    --bg: #f4f6fb;
    --text: #1f2933;
    --muted: #6b7280;
    --danger: #e11d48;
    --radius: 14px;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.16);
    --max-width: 1100px;
    --transition: 0.25s ease;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-main);
    color: var(--text);
    background: radial-gradient(circle at top left, #e0edff 0, #f4f6fb 40%, #f9fafb 100%);
}

/* Layout */

.site-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & nav */

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: linear-gradient(
        to bottom,
        rgba(244, 246, 251, 0.92),
        rgba(244, 246, 251, 0.78),
        transparent
    );
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: radial-gradient(circle at 20% 0, #6ee7b7, #22c55e 40%, #1d4ed8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f9fafb;
    font-weight: 800;
    font-size: 1.05rem;
    box-shadow: 0 10px 25px rgba(15, 118, 110, 0.4);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.04em;
}

.brand-tagline {
    font-size: 0.78rem;
    color: var(--muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(191, 219, 254, 0.5);
}

.nav-links a.is-active {
    color: #f9fafb;
    background: var(--primary);
}

/* Language switch (placeholder) */

.lang-switch {
    display: flex;
    gap: 0.35rem;
    margin-left: 0.75rem;
    padding-left: 0.75rem;
    border-left: 1px solid rgba(148, 163, 184, 0.5);
    font-size: 0.8rem;
}

.lang-pill {
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    cursor: pointer;
    color: var(--muted);
}

.lang-pill.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #f9fafb;
    box-shadow: 0 12px 30px rgba(30, 64, 175, 0.45);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(30, 64, 175, 0.55);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid rgba(148, 163, 184, 0.8);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(191, 219, 254, 0.4);
}

/* Hero section (page d'accueil) */

.hero {
    padding: 2.5rem 0 3.5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
}

.hero-kicker {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: 2.3rem;
    line-height: 1.12;
    margin: 0 0 1rem;
    color: #020617;
}

.hero-title span {
    color: var(--primary);
}

.hero-text {
    margin: 0 0 1.2rem;
    color: var(--muted);
    font-size: 0.97rem;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.4rem;
}

.badge {
    font-size: 0.78rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.03);
    border: 1px solid rgba(148, 163, 184, 0.6);
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.hero-note {
    font-size: 0.8rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.hero-note span {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.18);
}

/* Hero card */

.hero-card {
    background: #020617;
    color: #e5e7eb;
    border-radius: 28px;
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 0 120%, rgba(34, 197, 94, 0.15), transparent 55%),
        radial-gradient(circle at 100% 0, rgba(59, 130, 246, 0.2), transparent 50%);
    opacity: 0.9;
}

.hero-card-inner {
    position: relative;
    z-index: 1;
}

.hero-card-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

.hero-card-main {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.hero-card-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    font-size: 0.86rem;
}

.hero-card-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.18rem 0;
    border-bottom: 1px dashed rgba(148, 163, 184, 0.5);
}

.hero-card-list span {
    color: #9ca3af;
}

.hero-card-list strong {
    color: #e5e7eb;
}

.hero-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #9ca3af;
}

/* Sections génériques */

.section {
    padding: 2.2rem 0;
}

.section-header {
    margin-bottom: 1.5rem;
}

.section-kicker {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.section-title {
    font-size: 1.6rem;
    margin: 0 0 0.35rem;
}

.section-desc {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

/* Cards / grids */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.3rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
}

.card {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 1.2rem 1.1rem;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.card-title {
    margin: 0 0 0.3rem;
    font-size: 1rem;
}

.card-badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.18rem 0.5rem;
    border-radius: 999px;
    background: rgba(34, 197, 94, 0.08);
    color: #047857;
    margin-bottom: 0.4rem;
}

.card-text {
    margin: 0 0 0.8rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.card-meta {
    font-size: 0.78rem;
    color: var(--muted);
}

/* Pricing table */

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin-top: 0.8rem;
}

.pricing-table th,
.pricing-table td {
    padding: 0.55rem 0.6rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    text-align: left;
}

.pricing-table th {
    background: rgba(226, 232, 240, 0.7);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pricing-tag {
    font-weight: 700;
    color: var(--primary);
}

.pricing-note {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--muted);
}

/* Contact */

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
    gap: 1.5rem;
}

.contact-panel {
    background: #ffffff;
    border-radius: var(--radius);
    padding: 1.3rem 1.2rem;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.form-field {
    margin-bottom: 0.9rem;
}

.form-field label {
    display: block;
    font-size: 0.82rem;
    margin-bottom: 0.25rem;
    color: var(--muted);
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.55rem 0.6rem;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.9);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    background: #f9fafb;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
    background: #ffffff;
}

.form-help {
    font-size: 0.75rem;
    color: var(--muted);
}

.contact-channels {
    font-size: 0.9rem;
    color: var(--muted);
}

.contact-channels p {
    margin: 0.3rem 0;
}

/* Footer */

.footer {
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    padding: 1rem 0 1.3rem;
    font-size: 0.8rem;
    color: var(--muted);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Responsive */

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-card {
        margin-top: 0.5rem;
    }

    .grid-3,
    .grid-2,
    .contact-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .nav-links {
        display: none; /* version simple sans menu burger pour l’instant */
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 1.8rem;
    }
}