/* Base */
:root {
    --bg: #05040a;
    --bg-elevated: #0d0a16;
    --bg-soft: #141024;
    --primary: #f5d84f; /* jaune inspiré android 15 */
    --secondary: #a96bff; /* violet/mauve */
    --accent: #56e5ff;
    --text: #f7f7ff;
    --text-soft: #c6c4e0;
    --border-subtle: rgba(255,255,255,0.06);
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-soft: 0 18px 45px rgba(0,0,0,0.45);
    --transition-fast: 0.18s ease-out;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'SF Pro Text', Segoe UI, sans-serif;
}

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

html, body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top left, #2b2547 0, #05040a 55%, #05040a 100%);
    color: var(--text);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

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

img {
    max-width: 100%;
    display: block;
}

/* Layout */

.container {
    width: min(1120px, 100% - 32px);
    margin: 0 auto;
}

.section {
    padding: 64px 0;
}

.section-alt {
    background: radial-gradient(circle at top right, rgba(169,107,255,0.18), transparent 55%);
}

.section-title {
    font-size: 1.9rem;
    margin-bottom: 8px;
}

.section-intro {
    margin: 0 0 32px;
    max-width: 640px;
    color: var(--text-soft);
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(16px);
    background: radial-gradient(circle at top left, rgba(245,216,79,0.06),rgba(0,0,0,0.92));
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    width: 40px;
    height: 40px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-name {
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.84rem;
}

.brand-tagline {
    font-size: 0.74rem;
    color: var(--text-soft);
}

/* Nav */

.main-nav {
    position: relative;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 18px;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.nav-links a {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid transparent;
    color: var(--text-soft);
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.nav-links a:hover {
    background: rgba(255,255,255,0.04);
    color: var(--text);
    transform: translateY(-1px);
}

.nav-links a.active {
    border-color: rgba(245,216,79,0.6);
    background: linear-gradient(120deg, rgba(245,216,79,0.2), rgba(169,107,255,0.15));
    color: var(--text);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
    margin-bottom: 4px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hero */

.hero {
    padding: 52px 0 40px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.6fr);
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.4rem, 3.1vw, 3rem);
    line-height: 1.1;
    margin: 0 0 14px;
}

.gradient-text {
    background: linear-gradient(120deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-lead {
    color: var(--text-soft);
    max-width: 520px;
    margin-bottom: 20px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--text-soft);
}

.hero-meta span {
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    padding: 6px 11px;
    background: rgba(5,4,10,0.7);
}

/* Hero visual */

.hero-visual {
    position: relative;
}

.hero-card {
    background: radial-gradient(circle at top left, rgba(245,216,79,0.2), rgba(13,10,22,0.96));
    border-radius: var(--radius-xl);
    padding: 20px 20px 18px;
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
      radial-gradient(circle at 0% 0%, rgba(245,216,79,0.22), transparent 55%),
      radial-gradient(circle at 100% 0%, rgba(169,107,255,0.32), transparent 55%);
    opacity: 0.6;
    mix-blend-mode: screen;
    pointer-events: none;
}

.hero-card h2 {
    position: relative;
    margin: 0 0 6px;
    font-size: 1.1rem;
}

.hero-card p {
    position: relative;
    margin: 0 0 10px;
    color: var(--text-soft);
    font-size: 0.92rem;
}

.hero-card .check-list {
    position: relative;
    margin-top: 6px;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 9px 18px;
    font-size: 0.9rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #1b1024;
    box-shadow: 0 12px 35px rgba(0,0,0,0.6);
    font-weight: 600;
}

.btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 45px rgba(0,0,0,0.8);
}

.btn.ghost {
    border-color: rgba(255,255,255,0.18);
    background: rgba(7,5,16,0.9);
    color: var(--text-soft);
}

.btn.ghost:hover {
    background: rgba(255,255,255,0.04);
    color: var(--text);
}

/* Lists */

.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.check-list li {
    position: relative;
    padding-left: 18px;
    font-size: 0.88rem;
    margin-bottom: 6px;
    color: var(--text-soft);
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 0%, #fff 0, var(--accent) 45%, var(--secondary) 100%);
}

/* Stats */

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 10px;
    margin-top: 12px;
    font-size: 0.8rem;
}

.stat {
    background: rgba(5,4,10,0.9);
    border-radius: var(--radius-lg);
    padding: 10px 12px;
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(14px);
}

.stat-value {
    display: block;
    font-weight: 600;
    font-size: 1rem;
}

.stat-label {
    color: var(--text-soft);
}

/* Cards */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    background: rgba(12,9,24,0.96);
    border-radius: var(--radius-lg);
    padding: 18px 16px 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 16px 40px rgba(0,0,0,0.55);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: -30%;
    background:
      radial-gradient(circle at 0 0, rgba(245,216,79,0.08), transparent 55%),
      radial-gradient(circle at 100% 100%, rgba(169,107,255,0.18), transparent 55%);
    opacity: 0.7;
    pointer-events: none;
}

.card h3 {
    margin: 0 0 6px;
    font-size: 1.02rem;
}

.card p {
    margin: 0 0 10px;
    font-size: 0.9rem;
    color: var(--text-soft);
}

.card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.84rem;
    color: var(--text-soft);
}

.card-list li {
    margin-bottom: 4px;
}

/* Two columns */

.two-cols {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 32px;
    align-items: flex-start;
}

.bullet-panel {
    background: rgba(12,9,24,0.96);
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 16px 40px rgba(0,0,0,0.55);
}

/* CTA panel */

.cta-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    background: linear-gradient(135deg, rgba(12,9,24,0.98), rgba(12,9,24,0.9));
    border-radius: 22px;
    padding: 20px 22px;
    border: 1px solid rgba(245,216,79,0.3);
    box-shadow: var(--shadow-soft);
}

/* Pages */

.page-hero {
    padding: 40px 0 18px;
}

.page-hero h1 {
    margin: 0 0 10px;
}

.page-intro {
    margin: 0;
    max-width: 640px;
    color: var(--text-soft);
}

.page {
    padding-bottom: 40px;
}

/* Legal */

.legal h2 {
    margin-top: 26px;
    margin-bottom: 10px;
}

.legal h3 {
    margin-top: 18px;
    margin-bottom: 6px;
}

.legal p,
.legal ul {
    font-size: 0.92rem;
    color: var(--text-soft);
}

.legal ul {
    padding-left: 18px;
}

/* Contact */

.contact-layout {
    align-items: stretch;
}

.contact-note {
    font-size: 0.9rem;
    color: var(--text-soft);
}

.contact-form {
    background: rgba(12,9,24,0.96);
    border-radius: var(--radius-lg);
    padding: 18px 16px 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 16px 40px rgba(0,0,0,0.55);
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    margin-bottom: 4px;
    color: var(--text-soft);
}

.form-group input,
.form-group textarea {
    width: 100%;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(5,4,10,0.96);
    padding: 8px 9px;
    font-size: 0.88rem;
    color: var(--text);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    font-family: var(--font-sans);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: rgba(245,216,79,0.7);
    box-shadow: 0 0 0 1px rgba(245,216,79,0.35);
    background: rgba(5,4,10,0.98);
}

.form-privacy {
    font-size: 0.78rem;
    color: var(--text-soft);
    margin: 4px 0 10px;
}

/* Footer */

.site-footer {
    border-top: 1px solid var(--border-subtle);
    padding: 28px 0 16px;
    background: radial-gradient(circle at bottom, rgba(169,107,255,0.16), #05040a);
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    font-size: 0.88rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.footer-logo {
    width: 26px;
    height: 26px;
}

.footer-text {
    color: var(--text-soft);
    margin: 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 4px;
}

.footer-links a {
    font-size: 0.86rem;
    color: var(--text-soft);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    margin-top: 18px;
    padding-top: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-soft);
}

.footer-mini {
    margin: 0;
}

/* Responsive */

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .hero {
        padding-top: 40px;
    }
    .hero-visual {
        order: -1;
    }
    .cards-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .two-cols {
        grid-template-columns: minmax(0, 1fr);
    }
    .cta-panel {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 720px) {
    .nav-toggle {
        display: inline-block;
    }
    .nav-links {
        position: absolute;
        right: 0;
        top: calc(100% + 6px);
        flex-direction: column;
        gap: 0;
        background: rgba(5,4,10,0.98);
        border-radius: 16px;
        border: 1px solid var(--border-subtle);
        padding: 6px;
        min-width: 180px;
        box-shadow: 0 18px 40px rgba(0,0,0,0.8);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-6px);
        transition: opacity var(--transition-fast), transform var(--transition-fast);
    }
    .nav-links li {
        width: 100%;
    }
    .nav-links a {
        display: block;
        width: 100%;
        padding: 8px 10px;
    }
    .nav-links.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Util */

ul, p {
    line-height: 1.5;
}