/* ============================================================
   WEBIXIA — Feuille de style du site public
   Charte : #0B1220 (bleu nuit) · #2563EB (bleu primaire)
            #38BDF8 (bleu clair) · Poppins (titres) · Inter (textes)
   ============================================================ */

:root {
    --bleu-nuit:   #0B1220;
    --bleu:        #2563EB;
    --bleu-clair:  #38BDF8;
    --gris-fonce:  #1F2937;
    --gris-moyen:  #6B7280;
    --gris-clair:  #F8FAFC;
    --blanc:       #FFFFFF;
    --degrade:     linear-gradient(120deg, #0B1220 0%, #2563EB 60%, #38BDF8 100%);
    --degrade-btn: linear-gradient(120deg, #2563EB, #38BDF8);
    --radius:      14px;
    --radius-lg:   22px;
    --font-titre:  'Poppins', sans-serif;
    --font-texte:  'Inter', sans-serif;
    --ombre-bleue: 0 10px 40px rgba(37, 99, 235, 0.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-texte);
    color: var(--gris-fonce);
    background: var(--bleu-nuit);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { font-family: var(--font-titre); line-height: 1.25; }

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

a { text-decoration: none; color: inherit; transition: color .2s; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Texte dégradé ---------- */
.grad-text {
    background: linear-gradient(90deg, #38BDF8, #2563EB 55%, #38BDF8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ---------- Boutons (charte) ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 999px;
    font-family: var(--font-titre);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: .4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}

.btn-primary {
    background: var(--degrade-btn);
    color: var(--blanc);
    box-shadow: 0 6px 24px rgba(37, 99, 235, .45);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(56, 189, 248, .55); }

.btn-secondary {
    background: transparent;
    color: var(--bleu-clair);
    border-color: var(--bleu);
}
.btn-secondary:hover { background: rgba(37, 99, 235, .15); transform: translateY(-2px); }

.btn-light {
    background: var(--blanc);
    color: var(--bleu);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(255,255,255,.2); }

.btn-lien {
    color: var(--bleu);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-lien:hover { gap: 12px; color: var(--bleu-clair); }

.btn-lg { padding: 17px 40px; font-size: 16px; }

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    padding: 18px 0;
    transition: background .3s, padding .3s, box-shadow .3s;
}
.site-header.scrolled {
    background: rgba(11, 18, 32, .92);
    backdrop-filter: blur(14px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, .4);
}

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.logo-img { height: 46px; width: auto; }
.footer-logo { height: 52px; width: auto; margin-bottom: 18px; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav > a:not(.btn) {
    color: rgba(255, 255, 255, .85);
    font-weight: 500;
    font-size: 15px;
    position: relative;
}
.main-nav > a:not(.btn):hover, .main-nav > a:not(.btn).active { color: var(--bleu-clair); }
.main-nav > a:not(.btn).active::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -6px;
    height: 2px;
    background: var(--degrade-btn);
    border-radius: 2px;
}
.btn-nav { padding: 10px 22px; font-size: 14px; }

.burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.burger span { width: 26px; height: 3px; border-radius: 2px; background: var(--blanc); transition: .3s; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bleu-nuit);
    overflow: hidden;
    padding: 140px 0 100px;
}

#particles { position: absolute; inset: 0; z-index: 1; }

.hero-glow {
    position: absolute;
    width: 700px; height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, .35) 0%, transparent 65%);
    top: -200px; right: -150px;
    z-index: 1;
    pointer-events: none;
}
.hero-glow-2 {
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, .18) 0%, transparent 65%);
    bottom: -150px; left: -100px;
    z-index: 1;
    pointer-events: none;
}

.hero-content { position: relative; z-index: 2; max-width: 720px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, .15);
    border: 1px solid rgba(56, 189, 248, .35);
    color: var(--bleu-clair);
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 600;
    margin-bottom: 26px;
}
.hero-badge .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--bleu-clair);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, .6); }
    50% { box-shadow: 0 0 0 7px rgba(56, 189, 248, 0); }
}

.hero h1 {
    font-size: clamp(34px, 5.2vw, 58px);
    font-weight: 800;
    color: var(--blanc);
    margin-bottom: 24px;
}

.hero-sub {
    font-size: clamp(16px, 2vw, 19px);
    color: rgba(255, 255, 255, .72);
    margin-bottom: 38px;
    max-width: 580px;
}

.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

/* Arguments clés */
.hero-features {
    position: relative;
    z-index: 2;
    margin-top: 80px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.hero-feature {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(56, 189, 248, .18);
    border-radius: var(--radius);
    padding: 20px 18px;
    backdrop-filter: blur(8px);
    transition: transform .25s, border-color .25s, background .25s;
}
.hero-feature:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, .5);
    background: rgba(37, 99, 235, .1);
}
.hero-feature svg { width: 30px; height: 30px; stroke: var(--bleu-clair); margin-bottom: 12px; }
.hero-feature h3 { color: var(--blanc); font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.hero-feature p { color: rgba(255, 255, 255, .55); font-size: 13px; line-height: 1.45; }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section-light { background: var(--gris-clair); }
.section-white { background: var(--blanc); }
.section-dark { background: var(--bleu-nuit); position: relative; overflow: hidden; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-tag {
    display: inline-block;
    font-family: var(--font-titre);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--bleu);
    margin-bottom: 14px;
}
.section-dark .section-tag { color: var(--bleu-clair); }
.section-head h2 {
    font-size: clamp(28px, 3.6vw, 40px);
    font-weight: 700;
    color: var(--bleu-nuit);
    margin-bottom: 16px;
}
.section-dark .section-head h2 { color: var(--blanc); }
.section-head p { color: var(--gris-moyen); font-size: 16.5px; }
.section-dark .section-head p { color: rgba(255, 255, 255, .65); }

/* ---------- Services ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.service-card {
    background: var(--blanc);
    border: 1px solid #E6EBF2;
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    transition: transform .25s, box-shadow .25s, border-color .25s;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: var(--degrade-btn);
    opacity: 0;
    transition: opacity .25s;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 45px rgba(37, 99, 235, .14);
    border-color: rgba(37, 99, 235, .35);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
    width: 62px; height: 62px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(37, 99, 235, .1), rgba(56, 189, 248, .12));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}
.service-icon svg { width: 30px; height: 30px; stroke: var(--bleu); }
.service-card h3 { font-size: 19px; font-weight: 600; color: var(--bleu-nuit); margin-bottom: 12px; }
.service-card p { color: var(--gris-moyen); font-size: 15px; margin-bottom: 18px; }

/* ---------- Processus ---------- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    position: relative;
    z-index: 2;
}
.process-step {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(56, 189, 248, .16);
    border-radius: var(--radius-lg);
    padding: 34px 26px;
    position: relative;
    transition: transform .25s, border-color .25s;
}
.process-step:hover { transform: translateY(-5px); border-color: rgba(56, 189, 248, .45); }
.process-num {
    font-family: var(--font-titre);
    font-size: 44px;
    font-weight: 800;
    background: linear-gradient(120deg, #2563EB, #38BDF8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 16px;
}
.process-step h3 { color: var(--blanc); font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.process-step p { color: rgba(255, 255, 255, .6); font-size: 14px; }

/* ---------- Réalisations ---------- */
.realisations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.realisation-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--blanc);
    border: 1px solid #E6EBF2;
    transition: transform .25s, box-shadow .25s;
}
.realisation-card:hover { transform: translateY(-6px); box-shadow: 0 18px 45px rgba(11, 18, 32, .12); }

.realisation-visual {
    height: 210px;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
}
/* Vraie capture d'écran du projet (assets/img/realisations/realisation-N.jpg) */
.realisation-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform .4s ease;
}
.realisation-card:hover .realisation-photo img { transform: scale(1.05); }
.rv-1 { background: linear-gradient(135deg, #0B1220 20%, #2563EB); }
.rv-2 { background: linear-gradient(135deg, #1F2937 10%, #38BDF8); }
.rv-3 { background: linear-gradient(135deg, #0B1220 30%, #7C3AED 90%); }
.rv-4 { background: linear-gradient(135deg, #052e16 10%, #10B981 90%); }
.rv-5 { background: linear-gradient(135deg, #431407 10%, #F59E0B 90%); }
.rv-6 { background: linear-gradient(135deg, #0B1220 20%, #EC4899 95%); }

.browser-mock {
    width: 82%;
    background: #fff;
    border-radius: 10px 10px 0 0;
    box-shadow: 0 -8px 35px rgba(0, 0, 0, .35);
    transform: translateY(12px);
    transition: transform .3s;
}
.realisation-card:hover .browser-mock { transform: translateY(4px); }
.browser-bar {
    display: flex;
    gap: 5px;
    padding: 9px 12px;
    background: #EEF2F7;
    border-radius: 10px 10px 0 0;
}
.browser-bar span { width: 8px; height: 8px; border-radius: 50%; background: #CBD5E1; }
.browser-bar span:first-child { background: #FCA5A5; }
.browser-bar span:nth-child(2) { background: #FCD34D; }
.browser-bar span:nth-child(3) { background: #86EFAC; }
.browser-body { padding: 14px; }
.mock-line { height: 9px; border-radius: 5px; background: #E2E8F0; margin-bottom: 8px; }
.mock-line.short { width: 55%; }
.mock-line.accent { background: linear-gradient(90deg, #2563EB, #38BDF8); width: 38%; height: 12px; }

.realisation-info { padding: 24px 26px; }
.realisation-info .cat {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--bleu);
}
.realisation-info h3 { font-size: 18px; color: var(--bleu-nuit); margin: 8px 0 6px; }
.realisation-info p { font-size: 14px; color: var(--gris-moyen); }

/* ---------- Stats ---------- */
.stats-band {
    background: var(--degrade);
    border-radius: var(--radius-lg);
    padding: 54px 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
    box-shadow: var(--ombre-bleue);
    position: relative;
    z-index: 2;
}
.stat-num {
    font-family: var(--font-titre);
    font-size: 42px;
    font-weight: 800;
    color: var(--blanc);
}
.stat-label { color: rgba(255, 255, 255, .8); font-size: 14.5px; margin-top: 4px; }

/* ---------- À propos ---------- */
.apropos-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}
.apropos-txt h2 { font-size: clamp(26px, 3.2vw, 36px); color: var(--bleu-nuit); margin-bottom: 20px; }
.apropos-txt p { color: var(--gris-moyen); margin-bottom: 16px; font-size: 15.5px; }

.valeurs-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.valeur-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--gris-fonce);
    font-size: 15px;
}
.valeur-item .check {
    width: 26px; height: 26px;
    min-width: 26px;
    border-radius: 50%;
    background: var(--degrade-btn);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

.apropos-visual {
    background: var(--bleu-nuit);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(11, 18, 32, .35);
}
.apropos-visual .glow {
    position: absolute;
    width: 320px; height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, .3), transparent 65%);
    top: -80px; right: -80px;
}
.code-window {
    background: #101a2e;
    border: 1px solid rgba(56, 189, 248, .2);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    z-index: 1;
    font-family: 'Menlo', 'Consolas', monospace;
    font-size: 13px;
}
.code-window .browser-bar { background: #0d1526; }
.code-body { padding: 20px; line-height: 1.9; }
.code-body .c1 { color: #38BDF8; }
.code-body .c2 { color: #93C5FD; }
.code-body .c3 { color: #6B7280; }
.code-body .c4 { color: #F8FAFC; }

/* ---------- CTA ---------- */
.cta-box {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}
.cta-box h2 {
    font-size: clamp(28px, 4vw, 42px);
    color: var(--blanc);
    font-weight: 800;
    margin-bottom: 18px;
}
.cta-box p { color: rgba(255, 255, 255, .7); font-size: 17px; margin-bottom: 36px; }

/* ---------- Pages formulaires (devis, contact, login) ---------- */
.page-hero {
    background: var(--bleu-nuit);
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.page-hero h1 { color: var(--blanc); font-size: clamp(30px, 4vw, 44px); margin-bottom: 14px; position: relative; z-index: 2; }
.page-hero p { color: rgba(255, 255, 255, .7); font-size: 17px; max-width: 620px; margin: 0 auto; position: relative; z-index: 2; }

.form-wrap {
    max-width: 760px;
    margin: -40px auto 0;
    position: relative;
    z-index: 5;
    background: var(--blanc);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 70px rgba(11, 18, 32, .18);
    padding: 46px;
}
.form-wrap.narrow { max-width: 480px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group.full { grid-column: 1 / -1; }

label { display: block; font-weight: 600; font-size: 14px; color: var(--gris-fonce); margin-bottom: 7px; }
label .req { color: var(--bleu); }

input[type="text"], input[type="email"], input[type="password"], input[type="tel"],
select, textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid #DBE2EC;
    border-radius: 10px;
    font-family: var(--font-texte);
    font-size: 15px;
    color: var(--gris-fonce);
    background: var(--gris-clair);
    transition: border-color .2s, box-shadow .2s, background .2s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--bleu);
    background: var(--blanc);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}
textarea { resize: vertical; min-height: 130px; }

.form-note { font-size: 13px; color: var(--gris-moyen); margin-top: 14px; }
.form-sep {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 26px 0;
    color: var(--gris-moyen);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.form-sep::before, .form-sep::after { content: ''; flex: 1; height: 1px; background: #E2E8F0; }

.auth-links { text-align: center; margin-top: 22px; font-size: 14.5px; color: var(--gris-moyen); }
.auth-links a { color: var(--bleu); font-weight: 600; }
.auth-links a:hover { color: var(--bleu-clair); }

/* ---------- Contact info cards ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 30px; align-items: start; max-width: 1000px; margin: -40px auto 0; position: relative; z-index: 5; }
.contact-side { display: flex; flex-direction: column; gap: 18px; }
.contact-card {
    background: var(--bleu-nuit);
    border: 1px solid rgba(56, 189, 248, .2);
    border-radius: var(--radius-lg);
    padding: 28px;
    color: var(--blanc);
}
.contact-card svg { width: 28px; height: 28px; stroke: var(--bleu-clair); margin-bottom: 14px; }
.contact-card h3 { font-size: 16px; margin-bottom: 6px; }
.contact-card p, .contact-card a { color: rgba(255, 255, 255, .65); font-size: 14px; }
.contact-card a:hover { color: var(--bleu-clair); }

/* ---------- Flash messages ---------- */
.flash-container { position: fixed; top: 90px; right: 24px; z-index: 300; display: flex; flex-direction: column; gap: 10px; max-width: 400px; }
.flash {
    padding: 15px 42px 15px 18px;
    border-radius: 12px;
    font-size: 14.5px;
    font-weight: 500;
    position: relative;
    box-shadow: 0 10px 34px rgba(11, 18, 32, .25);
    animation: slideIn .35s ease;
}
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }
.flash-success { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.flash-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.flash-info { background: #EFF6FF; color: #1E40AF; border: 1px solid #BFDBFE; }
.flash-close {
    position: absolute;
    top: 10px; right: 12px;
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: inherit;
    opacity: .6;
}
.flash-close:hover { opacity: 1; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bleu-nuit);
    color: rgba(255, 255, 255, .65);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}
.footer-glow {
    position: absolute;
    width: 600px; height: 300px;
    background: radial-gradient(ellipse, rgba(37, 99, 235, .18), transparent 70%);
    top: -100px; left: 50%;
    transform: translateX(-50%);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    gap: 44px;
    position: relative;
    z-index: 1;
}
.footer-brand p { font-size: 14.5px; max-width: 300px; }
.footer-col h4 {
    color: var(--blanc);
    font-size: 15px;
    margin-bottom: 18px;
    font-weight: 600;
}
.footer-col a { display: block; font-size: 14px; margin-bottom: 10px; color: rgba(255, 255, 255, .6); }
.footer-col a:hover { color: var(--bleu-clair); }
.footer-values { font-size: 13px; margin-top: 14px; color: rgba(255, 255, 255, .45); }
.footer-bottom {
    margin-top: 60px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    text-align: center;
    font-size: 13.5px;
    color: rgba(255, 255, 255, .4);
    position: relative;
    z-index: 1;
}

/* ---------- Badges (statuts) ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 13px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-gray  { background: #F1F5F9; color: #475569; border: 1px solid #E2E8F0; }
.badge-blue  { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }
.badge-cyan  { background: #ECFEFF; color: #0E7490; border: 1px solid #A5F3FC; }
.badge-green { background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
.badge-red   { background: #FEF2F2; color: #B91C1C; border: 1px solid #FECACA; }

/* ---------- Animations d'apparition ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-features { grid-template-columns: repeat(3, 1fr); }
    .services-grid, .realisations-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-band { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .apropos-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .burger { display: flex; }
    .main-nav {
        position: fixed;
        top: 0; right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        background: rgba(11, 18, 32, .98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 34px 40px;
        gap: 22px;
        transition: right .35s ease;
        box-shadow: -20px 0 60px rgba(0, 0, 0, .5);
    }
    .main-nav.open { right: 0; }
    .main-nav > a:not(.btn) { font-size: 17px; }
    .burger.open span:first-child { transform: translateY(8px) rotate(45deg); }
    .burger.open span:nth-child(2) { opacity: 0; }
    .burger.open span:last-child { transform: translateY(-8px) rotate(-45deg); }

    .hero { padding: 120px 0 70px; }
    .hero-features { grid-template-columns: 1fr 1fr; margin-top: 50px; }
    .section { padding: 70px 0; }
    .services-grid, .realisations-grid, .process-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-wrap { padding: 30px 22px; margin: -30px 16px 0; }
    .contact-grid { grid-template-columns: 1fr; margin: -30px 16px 0; }
    .stats-band { grid-template-columns: 1fr 1fr; padding: 36px 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .flash-container { left: 16px; right: 16px; max-width: none; }
}