/* ══════════════════════════════════════════════════════════════════════
   NOVATEC — feuille de style écrite à la main, sans framework.
   Palette : violet #8B5CF6, indigo #6366F1, fond sombre #0B0F1A.
   Les pages légales gardent Tailwind CDN : ici on ne style que par
   classes préfixées ou scoping pour éviter tout conflit.
   ══════════════════════════════════════════════════════════════════════ */

:root {
    --violet:       #8B5CF6;
    --indigo:       #6366F1;
    --violet-clair: #A78BFA;
    --violet-pale:  #C4B5FD;
    --fond:         #0B0F1A;
    --fond-2:       #070A12;
    --carte:        #101625;
    --carte-2:      #151C2E;
    --carte-3:      #1B2338;
    --ligne:        rgba(255, 255, 255, 0.07);
    --texte:        #EDEFF7;
    --texte-2:      #99A3BE;
    --degrade:      linear-gradient(120deg, #8B5CF6, #6366F1);
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    margin: 0;
    background: var(--fond);
    color: var(--texte);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; }

.hidden { display: none !important; }

:focus-visible {
    outline: 2px solid var(--violet-clair);
    outline-offset: 3px;
    border-radius: 4px;
}

.acces-rapide {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--violet);
    color: #fff;
    padding: 10px 18px;
    border-radius: 0 0 10px 0;
    z-index: 100;
    text-decoration: none;
    font-weight: 600;
}
.acces-rapide:focus { left: 0; }

.wrap {
    max-width: 1160px;
    margin-inline: auto;
    padding-inline: 24px;
}

/* ── En-tête ─────────────────────────────────────────────────────────── */

.entete {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(11, 15, 26, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ligne);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
}

.marque {
    display: flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.nav-liens {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-liens a {
    color: var(--texte-2);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.18s ease;
}

.nav-liens a:hover { color: #fff; }

.burger {
    display: none;
    background: none;
    border: 0;
    padding: 10px;
    cursor: pointer;
}

.burger span,
.burger span::before,
.burger span::after {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    position: relative;
    transition: transform 0.2s ease;
}

.burger span::before,
.burger span::after {
    content: "";
    position: absolute;
    left: 0;
}
.burger span::before { top: -7px; }
.burger span::after  { top: 7px; }

.menu-mobile {
    border-top: 1px solid var(--ligne);
    background: var(--carte);
    padding: 18px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-mobile a {
    color: var(--texte-2);
    text-decoration: none;
    font-weight: 500;
    padding: 11px 4px;
    border-bottom: 1px solid var(--ligne);
}
.menu-mobile a:last-child { border-bottom: 0; }
.menu-mobile .btn { justify-content: center; margin-top: 12px; color: #fff; }

/* ── Boutons ─────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 14px 26px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    font-family: inherit;
    text-decoration: none;
    border: 0;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-plein {
    background: var(--degrade);
    color: #fff;
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.28);
}
.btn-plein:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(139, 92, 246, 0.38); }
.btn-plein:active { transform: translateY(0); }

.btn-contour {
    background: var(--carte);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #fff;
}
.btn-contour:hover { background: var(--carte-2); }

.btn-petit { padding: 10px 20px; font-size: 0.88rem; border-radius: 10px; }

/* ── Sections ────────────────────────────────────────────────────────── */

.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-sombre { background: var(--fond-2); }

.sur-titre {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--violet-clair);
    margin: 0;
}

.titre-section {
    font-size: clamp(1.7rem, 3.4vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.18;
    margin: 10px 0 14px;
}

.intro-section {
    color: var(--texte-2);
    max-width: 620px;
    margin: 0;
}

.centre { text-align: center; }
.centre .intro-section { margin-inline: auto; }

/* ── Hero ────────────────────────────────────────────────────────────── */

.hero {
    padding: clamp(120px, 16vw, 176px) 0 clamp(56px, 8vw, 96px);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -180px;
    right: -140px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.16), transparent 65%);
    pointer-events: none;
}

.hero-grille {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
    position: relative;
}

.hero h1 {
    font-size: clamp(2rem, 4.6vw, 3.3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.12;
    margin: 0 0 20px;
}

.texte-degrade {
    background: var(--degrade);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-texte p {
    color: var(--texte-2);
    font-size: 1.05rem;
    max-width: 540px;
    margin: 0 0 26px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 28px;
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.hero-points li {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--violet-pale);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.25);
    padding: 7px 15px;
    border-radius: 999px;
}

.hero-illu { margin: 0; }
.hero-illu img { width: 100%; height: auto; }

/* ── Services ────────────────────────────────────────────────────────── */

.grille-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 44px;
}

.service {
    background: var(--carte);
    border: 1px solid var(--ligne);
    border-radius: 20px;
    padding: 28px;
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 24px;
    align-items: start;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.service:hover {
    border-color: rgba(139, 92, 246, 0.45);
    transform: translateY(-3px);
}

.service img { width: 92px; height: 92px; }

.service h3 {
    margin: 0 0 8px;
    font-size: 1.14rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.service > div > p {
    margin: 0 0 12px;
    color: var(--texte-2);
    font-size: 0.92rem;
}

.service ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 6px;
}

.service li {
    display: flex;
    align-items: baseline;
    gap: 9px;
    font-size: 0.85rem;
    color: var(--violet-pale);
}

.service li::before {
    content: "";
    flex: 0 0 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--violet);
    transform: translateY(-2px);
}

/* ── Bande sécurité ──────────────────────────────────────────────────── */

.bande-securite {
    background: var(--carte-2);
    border: 1px solid var(--ligne);
    border-radius: 28px;
    padding: clamp(28px, 5vw, 56px);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: clamp(28px, 5vw, 56px);
    align-items: center;
}

.liste-checks {
    list-style: none;
    margin: 20px 0 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.liste-checks li {
    display: flex;
    gap: 12px;
    align-items: baseline;
    font-size: 0.93rem;
    color: var(--texte);
}

.liste-checks li::before {
    content: "";
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l3 3 5.5-6.5' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat,
        linear-gradient(120deg, #8B5CF6, #6366F1);
    transform: translateY(3px);
}

.bande-securite figure { margin: 0; text-align: center; }
.bande-securite figure img { max-width: 300px; width: 100%; }

/* ── Réalisation ─────────────────────────────────────────────────────── */

.carte-realisation {
    margin-top: 44px;
    background: var(--carte);
    border: 1px solid var(--ligne);
    border-radius: 24px;
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    overflow: hidden;
}

.carte-realisation figure {
    margin: 0;
    background: radial-gradient(circle at 30% 30%, rgba(0, 242, 255, 0.08), transparent 60%), var(--carte-2);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(20px, 4vw, 40px);
}

.carte-realisation figure img { width: 100%; max-width: 380px; }

.realisation-corps { padding: clamp(26px, 4vw, 44px); }

.realisation-corps h3 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
}

.etiquette {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--violet-pale);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.realisation-corps > p {
    color: var(--texte-2);
    font-size: 0.94rem;
    margin: 0 0 18px;
}

.faits {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 18px;
}

.faits li {
    display: flex;
    gap: 9px;
    align-items: baseline;
    font-size: 0.85rem;
    color: var(--texte-2);
}

.faits li::before {
    content: "";
    flex: 0 0 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--violet);
    transform: translateY(-2px);
}

/* ── Méthode ─────────────────────────────────────────────────────────── */

.etapes {
    counter-reset: etape;
    list-style: none;
    margin: 44px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.etapes li {
    counter-increment: etape;
    background: var(--carte);
    border: 1px solid var(--ligne);
    border-radius: 18px;
    padding: 26px 22px 24px;
}

.etapes li::before {
    content: "0" counter(etape);
    display: block;
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--degrade);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 10px;
}

.etapes h3 {
    margin: 0 0 6px;
    font-size: 1rem;
    font-weight: 700;
}

.etapes p {
    margin: 0;
    font-size: 0.87rem;
    color: var(--texte-2);
}

/* ── À propos ────────────────────────────────────────────────────────── */

.deux-colonnes {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
}

.deux-colonnes figure { margin: 0; text-align: center; }
.deux-colonnes figure img { width: 100%; max-width: 340px; }

.deux-colonnes .texte p {
    color: var(--texte-2);
    font-size: 0.96rem;
    margin: 0 0 14px;
}

.deux-colonnes .texte p strong { color: var(--texte); }

/* ── FAQ ─────────────────────────────────────────────────────────────── */

.faq { max-width: 760px; margin: 40px auto 0; }

.faq details {
    background: var(--carte);
    border: 1px solid var(--ligne);
    border-radius: 14px;
    padding: 2px 22px;
    margin-bottom: 12px;
    transition: border-color 0.2s ease;
}

.faq details[open] { border-color: rgba(139, 92, 246, 0.4); }

.faq summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.97rem;
    padding: 17px 0;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
    content: "+";
    flex-shrink: 0;
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--violet-clair);
    transition: transform 0.2s ease;
    line-height: 1;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p {
    color: var(--texte-2);
    font-size: 0.92rem;
    margin: 0 0 18px;
}

/* ── Formulaires ─────────────────────────────────────────────────────── */

.cta-ligne {
    display: flex;
    gap: 14px;
    max-width: 560px;
    margin: 28px auto 0;
}

.cta-ligne input { flex: 1; }

.formulaire {
    margin-top: 40px;
    background: var(--carte);
    border: 1px solid var(--ligne);
    border-radius: 24px;
    padding: clamp(24px, 4vw, 40px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.champ label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.champ .optionnel {
    color: var(--texte-2);
    font-weight: 400;
}

.pleine-largeur { grid-column: 1 / -1; }

.formulaire input,
.formulaire select,
.formulaire textarea,
.cta-ligne input {
    width: 100%;
    background: var(--fond);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 11px;
    padding: 13px 15px;
    color: #fff;
    font: inherit;
    font-size: 0.93rem;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.formulaire textarea { resize: vertical; min-height: 130px; }

.formulaire input::placeholder,
.formulaire textarea::placeholder,
.cta-ligne input::placeholder { color: rgba(153, 163, 190, 0.65); }

.formulaire input:focus,
.formulaire select:focus,
.formulaire textarea:focus,
.cta-ligne input:focus {
    outline: none;
    border-color: var(--violet);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.22);
}

.formulaire select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23A78BFA' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 12px;
    padding-right: 40px;
}

.note-formulaire {
    grid-column: 1 / -1;
    margin: 0;
    font-size: 0.8rem;
    color: var(--texte-2);
    text-align: center;
}

.bloc-succes {
    margin-top: 40px;
    background: var(--carte);
    border: 1px solid rgba(139, 92, 246, 0.45);
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
}

.bloc-succes strong {
    display: block;
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.bloc-succes p { color: var(--texte-2); margin: 0; font-size: 0.93rem; }

.coche-succes {
    width: 54px;
    height: 54px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%23fff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 26px no-repeat,
        linear-gradient(120deg, #8B5CF6, #6366F1);
}

/* ── Pied de page ────────────────────────────────────────────────────── */

.pied {
    border-top: 1px solid var(--ligne);
    background: var(--fond-2);
    padding: 52px 0 32px;
}

.pied-haut {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
    margin-bottom: 30px;
}

.pied p { color: var(--texte-2); font-size: 0.88rem; margin: 0; }

.pied-liens {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 26px;
}

.pied-liens a {
    color: var(--texte-2);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.18s ease;
}

.pied-liens a:hover { color: var(--violet-clair); }

.pied-bas {
    border-top: 1px solid var(--ligne);
    padding-top: 22px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
}

.pied-bas p { font-size: 0.78rem; color: rgba(153, 163, 190, 0.6); }

/* ── Animations d'apparition ─────────────────────────────────────────── */

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ──────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
    .grille-services { gap: 16px; }
    .service { grid-template-columns: 76px 1fr; gap: 18px; padding: 24px; }
    .service img { width: 76px; height: 76px; }
    .etapes { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .hero-grille { grid-template-columns: 1fr; }
    .hero-illu { order: -1; max-width: 440px; margin-inline: auto; }
    .bande-securite { grid-template-columns: 1fr; }
    .carte-realisation { grid-template-columns: 1fr; }
    .deux-colonnes { grid-template-columns: 1fr; }
    .deux-colonnes figure { order: -1; }
}

@media (max-width: 820px) {
    .nav-liens { display: none; }
    .burger { display: block; }
}

@media (max-width: 640px) {
    .grille-services { grid-template-columns: 1fr; }
    .formulaire { grid-template-columns: 1fr; }
    .cta-ligne { flex-direction: column; }
    .faits { grid-template-columns: 1fr; }
    .etapes { grid-template-columns: 1fr; }
    .hero-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .btn, .service { transition: none; }
}