/* ============================================================
   CSI FORMATION — styles
   ============================================================ */

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

:root {
  --green: #2d6a4f;
  --green-dark: #1b4332;
  --green-light: #52b788;
  --green-bg: #f0faf4;
  --green-mid: #40916c;
  --accent: #d4a017;
  --accent-dark: #b8860b;
  --text: #1a1a2e;
  --text-muted: #5a6672;
  --text-light: #8a9199;
  --border: #e2e8f0;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.14);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.18);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --max-w: 1280px;
  --header-h: 80px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

h1,h2,h3,h4,h5 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
.display-font { font-family: 'Playfair Display', Georgia, serif; }

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* --- TOPBAR --- */
.topbar { background: var(--green-dark); color: rgba(255,255,255,.85); font-size: .78rem; padding: 8px 0; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar a { color: rgba(255,255,255,.85); transition: color var(--transition); }
.topbar a:hover { color: var(--white); }
.fab-badge { background: var(--accent); color: var(--white); padding: 2px 10px; border-radius: 20px; font-weight: 600; font-size: .72rem; }
.social-icon { width: 26px; height: 26px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: .7rem; transition: all var(--transition); }
.social-icon:hover { background: var(--green-light); border-color: var(--green-light); color: var(--white); }

/* --- HEADER --- */
#header { position: sticky; top: 0; z-index: 1000; background: var(--white); border-bottom: 1px solid var(--border); transition: box-shadow var(--transition); }
#header.scrolled { box-shadow: var(--shadow); }
.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; text-decoration: none; }
.logo-img { height: 40px; width: auto; flex-shrink: 0; }
#nav { margin-left: auto; }
.nav-main { display: flex; align-items: center; gap: 4px; }
.nav-main > li { position: relative; }
.nav-main > li > a { display: flex; align-items: center; gap: 4px; padding: 8px 14px; font-size: .9rem; font-weight: 500; color: var(--text); border-radius: var(--radius-sm); transition: all var(--transition); white-space: nowrap; }
.nav-main > li > a:hover { color: var(--green); background: var(--green-bg); }
.nav-main > li > a .arrow { font-size: .65em; transition: transform var(--transition); }
.nav-main > li.has-mega.mega-hover > a .arrow { transform: rotate(180deg); }

.mega-menu { position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%); background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-xl); padding: 28px; display: none; grid-template-columns: repeat(4, 1fr); gap: 28px; min-width: 780px; z-index: 200; }
.has-mega.mega-hover .mega-menu { display: grid; }
.mega-col h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--green); font-weight: 700; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--green-bg); }
.mega-col ul { display: flex; flex-direction: column; gap: 4px; }
.mega-col ul li a { display: block; padding: 5px 8px; font-size: .85rem; color: var(--text-muted); border-radius: 6px; transition: all var(--transition); }
.mega-col ul li a:hover { color: var(--green); background: var(--green-bg); padding-left: 14px; }

.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.burger { display: none; flex-direction: column; gap: 5px; width: 36px; height: 36px; align-items: center; justify-content: center; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px; margin-left: auto; }
.burger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- BUTTONS --- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: var(--radius-sm); font-size: .88rem; font-weight: 600; border: 2px solid transparent; transition: all var(--transition); white-space: nowrap; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--green); color: var(--white); border-color: var(--green); }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(45,106,79,.35); }
.btn-primary-lg { padding: 16px 32px; font-size: 1rem; border-radius: var(--radius); }
.btn-outline { background: transparent; color: var(--green); border-color: var(--green); }
.btn-outline:hover { background: var(--green); color: var(--white); }
.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,.6); }
.btn-outline-white:hover { background: var(--white); color: var(--green-dark); }
.btn-outline-green { background: transparent; color: var(--green); border-color: var(--green); font-size: .82rem; padding: 8px 14px; }
.btn-outline-green:hover { background: var(--green); color: var(--white); }
.btn-accent { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-block { width: 100%; justify-content: center; }
.btn-lg { padding: 14px 28px; font-size: .95rem; }

/* --- STICKY CTA --- */
.cta-sticky { position: fixed; bottom: 28px; right: 28px; background: var(--green); color: var(--white); padding: 14px 24px; border-radius: 40px; font-weight: 700; font-size: .9rem; box-shadow: 0 8px 30px rgba(45,106,79,.45); z-index: 900; transition: all var(--transition); opacity: 0; transform: translateY(10px); pointer-events: none; }
.cta-sticky.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.cta-sticky:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(45,106,79,.5); }

/* --- HERO --- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; background: var(--green-dark); }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(27,67,50,.90) 0%, rgba(27,67,50,.65) 60%, rgba(27,67,50,.35) 100%); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: center; }
.hero-content { position: relative; z-index: 1; color: var(--white); max-width: 680px; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.badge-fab, .badge-alsace { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; padding: 6px 14px; border-radius: 100px; border: 1px solid rgba(255,255,255,.25); }
.badge-fab { background: rgba(45,106,79,.4); color: rgba(255,255,255,.9); }
.badge-alsace { background: rgba(255,255,255,.1); color: rgba(255,255,255,.9); }
.hero h1 { color: var(--white); margin-bottom: 20px; font-family: 'Playfair Display', serif; }
.hero-sub { color: rgba(255,255,255,.82); font-size: 1.02rem; margin-bottom: 36px; line-height: 1.75; max-width: 560px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-trust { display: flex; align-items: center; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.18); }
.trust-item { padding: 0 24px; text-align: center; }
.trust-item:first-child { padding-left: 0; }
.trust-item strong { display: block; font-size: 1.5rem; font-weight: 800; color: #fff; }
.trust-item span { font-size: .73rem; color: rgba(255,255,255,.6); }
.trust-sep { width: 1px; height: 36px; background: rgba(255,255,255,.2); }
.hero-card-wrap { position: relative; z-index: 1; }
.hero-card { background: #fff; border-radius: 16px; padding: 30px; color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.hero-card h3 { margin-bottom: 6px; font-size: 1.1rem; color: var(--green-dark); }
.hero-card > p { color: var(--text-muted); font-size: .86rem; margin-bottom: 18px; }
.quick-form { display: flex; flex-direction: column; gap: 10px; }
.quick-form select, .quick-form input { padding: 11px 14px; border: 1.5px solid var(--border); border-radius: 8px; font-family: inherit; font-size: .88rem; color: var(--text); background: var(--gray-50); outline: none; transition: border-color var(--transition); width: 100%; }
.quick-form select:focus, .quick-form input:focus { border-color: var(--green); background: var(--white); box-shadow: 0 0 0 3px rgba(45,106,79,.12); }
.form-small { text-align: center; font-size: .73rem; color: var(--text-muted); margin-top: 10px; }

/* --- STATS BAR --- */
.stats-bar { background: var(--green); padding: 32px 0; }
.stats-inner { display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 20px; }
.stat-item { display: flex; align-items: center; gap: 13px; }
.stat-icon { font-size: 1.7rem; }
.stat-item strong { display: block; font-size: 1.45rem; font-weight: 800; color: #fff; line-height: 1; }
.stat-item span { font-size: .78rem; color: rgba(255,255,255,.7); }

/* --- SECTION HEADERS --- */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--green); margin-bottom: 12px; }
.section-header h2 { color: var(--green-dark); margin-bottom: 16px; }
.section-header p { color: var(--text-muted); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* --- FORMATIONS — TABS --- */
.formations { padding: 100px 0; background: var(--gray-50); }
.formations-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 8px; flex-wrap: wrap; }
.tab-btn { padding: 12px 26px; border-radius: 100px; border: 2px solid var(--border); background: #fff; font-family: inherit; font-size: .9rem; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: all var(--transition); }
.tab-btn:hover { border-color: var(--green); color: var(--green); }
.tab-btn.active { border-color: var(--green); background: var(--green); color: #fff; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.sub-tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 2px solid var(--border); margin-bottom: 36px; padding-top: 28px; }
.sub-tab { padding: 10px 20px; border: none; background: none; font-family: inherit; font-size: .88rem; font-weight: 600; color: var(--text-muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all var(--transition); border-radius: 6px 6px 0 0; }
.sub-tab:hover { color: var(--green); background: var(--green-bg); }
.sub-tab.active { color: var(--green); border-bottom-color: var(--green); background: var(--green-bg); }
.sub-content { display: none; }
.sub-content.active { display: block; }

/* --- FORMATION LAYOUT (reprend produit-layout) --- */
.produit-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; background: #fff; border-radius: 16px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; align-items: start; }
.produit-img-col { display: flex; flex-direction: column; }
.img-main { position: relative; height: 420px; overflow: hidden; }
.img-main img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.img-main:hover img { transform: scale(1.04); }
.img-badge { position: absolute; top: 16px; left: 16px; background: var(--accent); color: #fff; font-size: .78rem; font-weight: 700; padding: 6px 14px; border-radius: 100px; }
.produit-desc { padding: 40px 40px 40px 0; display: flex; flex-direction: column; gap: 0; }
.produit-tag { display: inline-block; background: var(--green-bg); color: var(--green); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 5px 12px; border-radius: 100px; margin-bottom: 12px; align-self: flex-start; }
.produit-desc h3 { font-family: 'Playfair Display', serif; font-size: 1.65rem; margin-bottom: 12px; color: var(--green-dark); line-height: 1.3; }
.produit-accroche { color: var(--text-muted); font-size: .95rem; line-height: 1.75; margin-bottom: 24px; }

.specs-block { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 24px; }
.spec-item { display: flex; flex-direction: column; padding: 10px 14px; border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); }
.spec-item:nth-child(even) { border-right: none; }
.spec-item:nth-last-child(-n+2) { border-bottom: none; }
.spec-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); font-weight: 700; margin-bottom: 2px; }
.spec-val { font-size: .85rem; font-weight: 600; color: var(--text); }

.avantages-list { margin-bottom: 24px; }
.avantages-list h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); font-weight: 700; margin-bottom: 14px; }
.av-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.av-item { display: flex; gap: 10px; align-items: flex-start; background: var(--gray-50); border-radius: var(--radius); padding: 12px; border: 1px solid var(--border); }
.av-ico { font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }
.av-item strong { display: block; font-size: .82rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.av-item p { font-size: .76rem; color: var(--text-muted); line-height: 1.5; margin: 0; }

.options-block { margin-bottom: 28px; }
.options-block h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); font-weight: 700; margin-bottom: 10px; }
.options-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.options-chips .chip { font-size: .78rem; font-weight: 600; padding: 6px 14px; border-radius: 100px; border: 1.5px solid; }
.options-chips .chip-green { background: #dcfce7; color: #15803d; border-color: #86efac; }
.options-chips .chip-blue { background: #dbeafe; color: #1d4ed8; border-color: #93c5fd; }
.options-chips .chip-orange { background: #ffedd5; color: #c2410c; border-color: #fdba74; }
.options-chips .chip-purple { background: #f3e8ff; color: #7c3aed; border-color: #c4b5fd; }
.options-chips .chip-gray { background: var(--gray-100); color: var(--text-muted); border-color: var(--border); }

.callout-box { display: flex; gap: 14px; background: var(--green-bg); border: 1px solid rgba(45,106,79,.2); border-radius: var(--radius); padding: 18px; margin-bottom: 28px; align-items: flex-start; }
.callout-ico { font-size: 1.5rem; flex-shrink: 0; }
.callout-box p { font-size: .9rem; color: var(--green-dark); line-height: 1.65; margin: 0; }

/* --- CERTIFICATIONS --- */
.certif-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.certif-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 20px; text-align: center; transition: all var(--transition); }
.certif-card:hover { border-color: var(--green-light); box-shadow: var(--shadow); transform: translateY(-3px); }
.certif-icon { font-size: 2.4rem; margin-bottom: 12px; }
.certif-card h4 { font-size: .95rem; font-weight: 700; color: var(--green-dark); margin-bottom: 8px; }
.certif-card p { font-size: .8rem; color: var(--text-muted); line-height: 1.6; }

/* --- FUNDING BANNER --- */
.funding-banner { background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%); padding: 32px 0; }
.funding-inner { display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap; text-align: center; }
.funding-banner h3 { color: #fff; font-size: 1.2rem; margin-bottom: 4px; }
.funding-banner p { color: rgba(255,255,255,.82); font-size: .92rem; margin: 0; }
.funding-tags { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 14px; }
.funding-tag { background: rgba(255,255,255,.15); color: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.25); padding: 6px 16px; border-radius: 100px; font-size: .8rem; font-weight: 700; }

/* --- WHY SECTION --- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px; }
.why-card { padding: 32px 28px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--border); transition: all var(--transition); text-align: center; }
.why-card:hover { border-color: var(--green-light); box-shadow: var(--shadow); transform: translateY(-3px); }
.why-ico { font-size: 2.4rem; margin-bottom: 16px; }
.why-card h3 { font-size: 1.05rem; color: var(--green-dark); margin-bottom: 10px; }
.why-card p { font-size: .88rem; color: var(--text-muted); }

/* --- PROCESS --- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { text-align: center; padding: 32px 24px; background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); }
.step-number { width: 52px; height: 52px; background: var(--green); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 800; margin: 0 auto 18px; }
.step-card h3 { font-size: 1rem; color: var(--green-dark); margin-bottom: 10px; }
.step-card p { font-size: .85rem; color: var(--text-muted); }

/* --- TESTIMONIALS --- */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--white); border-radius: var(--radius); padding: 28px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); display: flex; flex-direction: column; }
.testimonial-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--green-light); }
.testimonial-stars { color: #f59e0b; font-size: 1.05rem; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-text { font-size: .92rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; font-style: italic; flex: 1; }
.testimonial-author { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--green-bg); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; border: 2px solid var(--green-light); }
.testimonial-info h4 { font-size: .88rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.testimonial-info p { font-size: .78rem; color: var(--text-muted); }

/* --- CTA BAND --- */
.cta-band { background: var(--green-dark); padding: 80px 0; text-align: center; }
.cta-band h2 { color: var(--white); margin-bottom: 16px; font-family: 'Playfair Display', serif; }
.cta-band p { color: rgba(255,255,255,.8); margin-bottom: 32px; font-size: 1.1rem; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-band-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; cursor: pointer; font-size: 1rem; font-weight: 600; color: var(--green-dark); background: var(--white); transition: background var(--transition); gap: 12px; width: 100%; border: none; text-align: left; }
.faq-question:hover { background: var(--green-bg); }
.faq-arrow { font-size: .85rem; color: var(--green); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer-inner { padding: 0 24px 20px; font-size: .92rem; color: var(--text-muted); line-height: 1.7; }
.faq-item.open .faq-answer { max-height: 500px; }

/* --- CONTACT --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; align-items: start; }
.contact-info h3 { font-size: 1.5rem; color: var(--green-dark); margin-bottom: 24px; }
.contact-info-items { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-ico { width: 44px; height: 44px; background: var(--green-bg); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-info-item h4 { font-size: .88rem; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.contact-info-item p, .contact-info-item a { font-size: 1rem; font-weight: 600; color: var(--text); }
.contact-info-item a:hover { color: var(--green); }
.contact-form-wrap { background: var(--white); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.contact-form-wrap h3 { font-size: 1.3rem; color: var(--green-dark); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--text); }
.form-group input, .form-group select, .form-group textarea { padding: 11px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: .9rem; font-family: inherit; color: var(--text); transition: border-color var(--transition); background: var(--gray-50); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--green); background: var(--white); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit { width: 100%; padding: 14px; font-size: 1rem; }
.form-success { display: none; background: var(--green-bg); border: 1.5px solid var(--green-light); border-radius: var(--radius); padding: 20px 24px; color: var(--green-dark); font-weight: 600; text-align: center; margin-top: 16px; }

/* --- PAGE HERO --- */
.page-hero { position: relative; height: 440px; display: flex; align-items: flex-end; overflow: hidden; }
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(27,67,50,.88) 0%, rgba(27,67,50,.4) 60%, transparent 100%); }
.page-hero-content { position: relative; z-index: 1; padding-bottom: 40px; color: var(--white); width: 100%; }
.page-tag { display: inline-block; background: var(--green-light); color: var(--white); font-size: .72rem; font-weight: 700; padding: 4px 14px; border-radius: 20px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.page-hero-content h1 { color: var(--white); font-family: 'Playfair Display', serif; font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 12px; }
.page-hero-content p { color: rgba(255,255,255,.85); font-size: 1.05rem; max-width: 620px; }

/* --- BREADCRUMB --- */
.breadcrumb { padding: 14px 0; font-size: .82rem; color: var(--text-muted); border-bottom: 1px solid var(--border); background: var(--gray-50); }
.breadcrumb-inner { display: flex; align-items: center; gap: 6px; }
.breadcrumb-inner a { color: var(--green); }
.breadcrumb-inner a:hover { text-decoration: underline; }

/* --- REALISATIONS (témoignages utilisateurs) --- */
.realisations-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* --- FOOTER --- */
.footer { background: var(--green-dark); color: rgba(255,255,255,.8); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand .logo-img { background: var(--white); padding: 8px 12px; border-radius: 8px; }
.footer-desc { margin-top: 16px; font-size: .88rem; line-height: 1.7; color: rgba(255,255,255,.7); }
.footer-socials { display: flex; gap: 10px; margin-top: 20px; }
.footer-social-link { width: 38px; height: 38px; background: rgba(255,255,255,.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: .85rem; font-weight: 700; color: rgba(255,255,255,.8); transition: all var(--transition); }
.footer-social-link:hover { background: var(--green-light); color: var(--white); }
.footer-col h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--green-light); font-weight: 700; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: .88rem; color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-contact-item { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: .88rem; }
.footer-contact-icon { font-size: .9rem; margin-top: 1px; }
.footer-contact-item a { color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; font-size: .8rem; color: rgba(255,255,255,.5); flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: rgba(255,255,255,.8); }

/* --- UTILS --- */
.text-center { text-align: center; }
.text-green { color: var(--green); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-24 { margin-bottom: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* --- RESPONSIVE --- */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-card-wrap { max-width: 440px; }
  .produit-layout { grid-template-columns: 1fr; }
  .img-main { height: 320px; }
  .produit-desc { padding: 28px; }
  .certif-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .header-actions .btn-outline-green { display: none; }
}
@media (max-width: 900px) {
  .burger { display: flex; }
  #nav { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: var(--white); z-index: 999; padding: 100px 24px 40px; overflow-y: auto; transform: translateX(-100%); transition: transform var(--transition); }
  #nav.open { transform: translateX(0); }
  .nav-main { flex-direction: column; align-items: flex-start; gap: 0; }
  .nav-main > li { width: 100%; }
  .nav-main > li > a { padding: 14px 0; font-size: 1.05rem; border-radius: 0; border-bottom: 1px solid var(--border); width: 100%; justify-content: space-between; }
  .mega-menu { position: static; transform: none; display: none !important; grid-template-columns: 1fr 1fr; min-width: 0; box-shadow: none; border: none; padding: 0 0 0 16px; gap: 16px; border-radius: 0; }
  .has-mega.mega-open .mega-menu { display: grid !important; }
  .header-actions { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --header-h: 68px; }
  .logo-img { height: 30px; }
  .topbar-left span, .topbar-left a:not(:first-child) { display: none; }
  .hero { min-height: 80vh; }
  .hero-trust { gap: 0; }
  .trust-item { padding: 0 14px; }
  .trust-item strong { font-size: 1.2rem; }
  .hero-card { padding: 22px 18px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }
  .section { padding: 56px 0; }
  .av-grid { grid-template-columns: 1fr; }
  .specs-block { grid-template-columns: 1fr; }
  .spec-item { border-right: none !important; }
  .spec-item:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .spec-item:last-child { border-bottom: none; }
  .page-hero { height: 300px; }
  .formations-tabs { flex-direction: column; align-items: center; }
  .sub-tabs { overflow-x: auto; flex-wrap: nowrap; }
}
@media (max-width: 520px) {
  .stats-inner { flex-direction: column; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .certif-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr; }
}