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

:root {
    --red-950: #071a35;
    --red-900: #0b2d5c;
    --red-800: #11447f;
    --red-700: #1b5fab;
    --red-600: #2f7cd0;
    --red-400: #6aa7ea;
    --red-200: #c9e0fb;
    --white: #ffffff;
    --text-main: #102a4a;
    --text-soft: #4a6588;
    --line: #d7e5f6;
    --radius-lg: 22px;
    --radius-md: 14px;
    --shadow-soft: 0 12px 30px rgba(17, 63, 123, 0.12);
    --shadow-strong: 0 20px 55px rgba(17, 63, 123, 0.22);
}

html { scroll-behavior: smooth; }
body { font-family: "Inter", sans-serif; color: var(--text-main); background: linear-gradient(180deg, #f1f7ff 0%, #f8fbff 45%, #eef5ff 100%); line-height: 1.6; overflow-x: hidden; }
.topbar { background: linear-gradient(90deg, var(--red-900), var(--red-700)); color: #e2eeff; text-align: center; padding: 12px 20px; font-size: 13px; font-weight: 600; }

.header { background: rgba(255,255,255,.93); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(10px); border-bottom: 1px solid rgba(27,95,171,.16); box-shadow: 0 6px 20px rgba(17,63,123,.1); }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: baseline; gap: 4px; }
.logo-slim, .logo-vitax { font-family: "Space Grotesk", sans-serif; font-size: 30px; font-weight: 700; letter-spacing: -.5px; }
.logo-slim { color: var(--red-900); } .logo-vitax { color: var(--red-600); } .logo-tag { font-size: 11px; color: #5b7eac; font-weight: 600; margin-left: 6px; }
.nav { display: flex; gap: 22px; } .nav a { text-decoration: none; color: #2d4f7b; font-weight: 600; font-size: 14px; transition: color .2s ease; } .nav a:hover { color: var(--red-700); }
.btn-header { background: linear-gradient(120deg, var(--red-700), var(--red-600)); color: #f1f7ff; padding: 10px 20px; border-radius: 12px; text-decoration: none; font-weight: 700; font-size: 14px; transition: transform .2s ease, opacity .2s ease; white-space: nowrap; }
.btn-header:hover { transform: translateY(-1px); opacity: .92; }

.hero { position: relative; min-height: 88vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(125deg, rgba(7,26,53,.9) 0%, rgba(11,45,92,.78) 48%, rgba(17,68,127,.62) 100%); z-index: 1; }
.hero-inner { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 80px 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; width: 100%; }
.hero-badge { display: inline-block; background: rgba(158,196,244,.2); border: 1px solid rgba(202,224,251,.4); color: #e3efff; padding: 9px 16px; border-radius: 10px; font-size: 12px; font-weight: 600; margin-bottom: 20px; }
.hero-title { font-family: "Space Grotesk", sans-serif; font-size: clamp(34px,5vw,62px); font-weight: 700; color: var(--white); line-height: 1.08; margin-bottom: 20px; letter-spacing: -1px; }
.hero-title .highlight { color: #b8d9ff; }
.hero-sub { color: rgba(228,240,255,.93); font-size: 16px; line-height: 1.75; margin-bottom: 28px; max-width: 520px; }
.hero-list { list-style: none; margin-bottom: 36px; display: flex; flex-direction: column; gap: 10px; }
.hero-list li { color: #d9eaff; font-size: 15px; font-weight: 600; }
.btn-primary { display: inline-block; background: linear-gradient(120deg, #4187d6, #1b5fab); color: var(--white); padding: 16px 30px; border-radius: 12px; text-decoration: none; font-weight: 700; font-size: 16px; transition: all .3s; box-shadow: 0 10px 28px rgba(27,95,171,.42); border: none; cursor: pointer; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(27,95,171,.5); }
.hero-note { margin-top: 14px; color: rgba(225,238,255,.85); font-size: 13px; font-weight: 600; }
.hero-product { display: flex; justify-content: center; align-items: center; } .product-badge-wrap { position: relative; text-align: center; }
.product-badge-top { background: #77aee8; color: #fff; font-weight: 700; font-size: 12px; padding: 6px 16px; border-radius: 9px; display: inline-block; margin-bottom: 16px; box-shadow: 0 8px 20px rgba(47,124,208,.4); }
.product-img { width: 100%; max-width: 380px; border-radius: 20px; box-shadow: 0 28px 70px rgba(7,26,53,.45); transition: transform .3s; } .product-img:hover { transform: scale(1.02); }
.product-stars { margin-top: 16px; color: #ffd58b; font-size: 15px; font-weight: 700; } .product-stars span { color: rgba(236,245,255,.88); font-size: 13px; }

.trust-bar { background: linear-gradient(120deg, #edf5ff, #f8fbff); border-top: 1px solid #d7e5f6; border-bottom: 1px solid #d7e5f6; }
.trust-inner { max-width: 1200px; margin: 0 auto; padding: 24px; display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 16px; }
.trust-item { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--red-800); font-size: 15px; } .trust-icon { font-size: 24px; }

.section-inner { max-width: 1200px; margin: 0 auto; padding: 80px 24px; }
.section-label { display: inline-block; background: #e8f2ff; color: var(--red-700); font-size: 12px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; padding: 6px 16px; border-radius: 8px; margin-bottom: 16px; }
.section-title { font-family: "Space Grotesk", sans-serif; font-size: clamp(28px,4vw,42px); font-weight: 700; color: var(--text-main); margin-bottom: 16px; line-height: 1.2; }
.section-sub { color: var(--text-soft); font-size: 17px; max-width: 680px; margin-bottom: 48px; line-height: 1.7; }

.how-it-works { background: #f5faff; } .steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.step-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; box-shadow: var(--shadow-soft); border: 1px solid var(--line); transition: transform .3s, box-shadow .3s; position: relative; overflow: hidden; }
.step-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #6aa7ea, #1b5fab); }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); }
.step-num { font-family: "Space Grotesk", sans-serif; font-size: 56px; font-weight: 700; color: #d4e7ff; line-height: 1; margin-bottom: 8px; }
.step-icon { font-size: 40px; margin-bottom: 16px; } .step-card h3 { font-size: 20px; font-weight: 800; color: var(--text-main); margin-bottom: 12px; } .step-card p { color: var(--text-soft); font-size: 15px; line-height: 1.7; }

.ingredients { background: var(--white); } .ing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.ing-hero-img { width: 100%; border-radius: 20px; box-shadow: var(--shadow-strong); } .ing-list { display: flex; flex-direction: column; gap: 20px; }
.ing-item { display: flex; gap: 16px; align-items: flex-start; padding: 16px; background: #f2f8ff; border-radius: 12px; border-left: 3px solid #5897dd; transition: transform .2s; }
.ing-item:hover { transform: translateX(4px); } .ing-icon { font-size: 28px; flex-shrink: 0; } .ing-text h4 { font-size: 16px; font-weight: 800; color: var(--red-800); margin-bottom: 4px; } .ing-text p { font-size: 14px; color: var(--text-soft); line-height: 1.6; }

.testimonials { background: #f0f7ff; } .reviews-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-bottom: 48px; }
.review-card { background: var(--white); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-soft); border: 1px solid var(--line); transition: transform .3s; } .review-card:hover { transform: translateY(-4px); }
.review-featured { border: 2px solid #6aa7ea; position: relative; }
.review-featured::before { content: "Choix des clients"; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--red-700); color: white; font-size: 12px; font-weight: 800; padding: 4px 16px; border-radius: 50px; white-space: nowrap; }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; } .review-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 3px solid #dcecff; }
.review-name { font-weight: 800; font-size: 16px; color: var(--text-main); } .review-loc { font-size: 13px; color: #5b7eac; } .review-stars { color: #e6a96a; font-size: 14px; }
.verified-badge { margin-left: auto; background: #e8f2ff; color: var(--red-700); font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 50px; }
.review-text { color: var(--text-soft); font-size: 15px; line-height: 1.7; font-style: italic; margin-bottom: 12px; } .review-date { font-size: 12px; color: #5b7eac; font-weight: 600; }
.reviews-summary { display: flex; justify-content: center; align-items: center; gap: 40px; background: linear-gradient(115deg, var(--red-900), var(--red-700)); border-radius: var(--radius-lg); padding: 32px; flex-wrap: wrap; }
.rs-item { text-align: center; display: flex; flex-direction: column; gap: 4px; } .rs-item strong { font-size: 32px; font-weight: 900; color: #bedcff; font-family: "Space Grotesk", sans-serif; } .rs-item span { color: rgba(255,255,255,.82); font-size: 14px; font-weight: 600; } .rs-divider { width: 1px; height: 50px; background: rgba(255,255,255,.2); }

.faq { background: #f5faff; } .faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }
.faq-item { background: var(--white); border-radius: 12px; border: 1px solid var(--line); overflow: hidden; box-shadow: 0 3px 10px rgba(17,63,123,.08); }
.faq-q { width: 100%; background: none; border: none; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-size: 16px; font-weight: 700; color: var(--text-main); font-family: "Inter", sans-serif; text-align: left; }
.faq-q:hover { background: #f2f8ff; } .faq-arrow { color: var(--red-600); font-size: 12px; transition: transform .3s; flex-shrink: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s; padding: 0 24px; } .faq-a.open { max-height: 520px; padding: 0 24px 20px; } .faq-a p { color: var(--text-soft); font-size: 15px; line-height: 1.7; } .faq-arrow.rotated { transform: rotate(180deg); }

.order-section { background: linear-gradient(130deg, var(--red-950), var(--red-800) 58%, #0e3f79 100%); position: relative; overflow: hidden; }
.order-section::before { content: ""; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(106,167,234,.28) 0%, transparent 70%); border-radius: 50%; }
.order-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.order-title { font-family: "Space Grotesk", sans-serif; font-size: clamp(28px,3.5vw,40px); font-weight: 700; color: var(--white); margin-bottom: 28px; line-height: 1.2; }
.price-block { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-md); padding: 24px; margin-bottom: 28px; backdrop-filter: blur(4px); }
.price-old { color: rgba(255,255,255,.72); font-size: 16px; font-weight: 600; margin-bottom: 8px; } .price-new { color: var(--white); font-size: 28px; font-weight: 900; margin-bottom: 8px; } .price-new strong { color: #bedcff; font-size: 36px; }
.price-save { display: inline-block; background: #9cc7f5; color: #07254b; font-size: 14px; font-weight: 800; padding: 4px 14px; border-radius: 50px; }
.order-perks { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; } .order-perks li { color: #d8eaff; font-size: 16px; font-weight: 700; } .order-disclaimer { color: rgba(255,255,255,.63); font-size: 12px; line-height: 1.6; }
.form-card { background: var(--white); border-radius: var(--radius-lg); padding: 40px; box-shadow: 0 24px 64px rgba(0,0,0,.25); }
.form-title { font-family: "Space Grotesk", sans-serif; font-size: 24px; font-weight: 700; color: var(--text-main); margin-bottom: 28px; text-align: center; }
.form-group { margin-bottom: 20px; } .form-group label { display: block; font-size: 14px; font-weight: 700; color: var(--text-soft); margin-bottom: 8px; }
.form-group input, .form-group select { width: 100%; padding: 14px 18px; border: 1px solid var(--line); border-radius: 10px; font-size: 15px; font-family: "Inter", sans-serif; color: var(--text-main); background: #f3f8ff; transition: border-color .2s; outline: none; }
.form-group input:focus, .form-group select:focus { border-color: #5897dd; background: var(--white); }
.btn-order { width: 100%; background: linear-gradient(120deg, #4a91df, #1b5fab); color: var(--white); border: none; padding: 18px; border-radius: 12px; font-size: 17px; font-weight: 800; cursor: pointer; transition: all .3s; box-shadow: 0 10px 25px rgba(27,95,171,.35); font-family: "Inter", sans-serif; }
.btn-order:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(27,95,171,.45); }
.form-security { text-align: center; margin-top: 14px; font-size: 13px; color: #5b7eac; font-weight: 600; }

.footer { background: var(--red-950); padding: 48px 24px; } .footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; } .footer .logo-slim, .footer .logo-vitax { font-size: 24px; }
.footer-links { display: flex; justify-content: center; gap: 24px; margin: 20px 0; flex-wrap: wrap; } .footer-links a { color: rgba(255,255,255,.55); text-decoration: none; font-size: 13px; font-weight: 600; } .footer-links a:hover { color: #bedcff; }
.footer-disclaimer { border-top: 1px solid rgba(255,255,255,.14); padding-top: 24px; margin-top: 8px; } .footer-disclaimer p { color: rgba(255,255,255,.4); font-size: 12px; line-height: 1.7; margin-bottom: 8px; }

.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 1000; align-items: center; justify-content: center; backdrop-filter: blur(4px); }
.modal-overlay.active { display: flex; } .modal-box { background: var(--white); border-radius: var(--radius-lg); padding: 48px 40px; text-align: center; max-width: 420px; width: 90%; box-shadow: 0 24px 64px rgba(0,0,0,.3); animation: modalIn .4s ease; }
@keyframes modalIn { from { opacity: 0; transform: scale(.8) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-icon { font-size: 56px; margin-bottom: 16px; } .modal-box h3 { font-family: "Space Grotesk", sans-serif; font-size: 26px; font-weight: 700; color: var(--text-main); margin-bottom: 12px; } .modal-box p { color: var(--text-soft); font-size: 16px; line-height: 1.6; }

@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; gap: 40px; } .hero-product { order: -1; } .product-img { max-width: 280px; } .steps-grid, .ing-grid, .reviews-grid, .order-grid { grid-template-columns: 1fr; } .nav { display: none; } .hero { min-height: auto; } }
@media (max-width: 600px) { .header-inner { padding: 14px 16px; } .section-inner { padding: 60px 16px; } .trust-inner { gap: 12px; } .trust-item { font-size: 13px; } .reviews-summary { gap: 20px; } .rs-divider { display: none; } .form-card { padding: 28px 20px; } }