/* =========================================
   1. VARIABLES & RESET
   ========================================= */
:root {
  --bg: #f4f6f8; --bg-soft: #eef2f5; --blue-soft: #bcd4e4; --blue-warm: #9cc0d6;
  --blue-deep: #6b9bb8; --blue-accent: #7aa9c2; --text: #2d3e50; --text-soft: #5a6b7c;
  --white: #ffffff; --shadow: 0 10px 40px rgba(107,155,184,.15);
  --shadow-hover: 0 20px 60px rgba(107,155,184,.25); --radius: 18px;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Manrope', sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; }
h1, h2, h3 { font-family: 'Playfair Display', serif; font-weight: 600; line-height: 1.2; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

/* =========================================
   2. HEADER & NAV
   ========================================= */
header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,.85); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(156,192,214,.15); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 28px; max-width: 1240px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 22px; color: var(--text); text-decoration: none; }
.logo-icon { width: 75px; height: 44px; display: flex; align-items: center; justify-content: center; }
.logo-icon svg { width: 24px; height: 24px; fill: #fff; }
.nav-menu { display: flex; gap: 8px; list-style: none; }
.nav-menu a { color: var(--text-soft); text-decoration: none; font-weight: 500; font-size: 15px; padding: 10px 18px; border-radius: 10px; transition: .25s; }
.nav-menu a:hover { background: var(--bg-soft); color: var(--blue-deep); }
.nav-menu a.active { background: var(--blue-soft); color: var(--text); }
.burger { display: none; font-size: 24px; cursor: pointer; color: var(--text); }

/* =========================================
   3. BUTTONS & FORMS
   ========================================= */
.btn { padding: 16px 32px; border-radius: 12px; font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer; border: none; transition: .3s; display: inline-flex; align-items: center; justify-content: center; gap: 10px; }
.btn-primary { background: linear-gradient(135deg, var(--blue-warm), var(--blue-deep)); color: #fff; box-shadow: 0 10px 30px rgba(107,155,184,.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(107,155,184,.55); }
.btn-secondary { background: var(--white); color: var(--text); border: 1px solid var(--blue-soft); }
.btn-secondary:hover { background: var(--bg-soft); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--text-soft); }
.form-group input, .form-group textarea { width: 100%; padding: 14px 18px; border: 1px solid var(--blue-soft); border-radius: 12px; font-family: inherit; font-size: 15px; background: var(--white); transition: .25s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--blue-deep); box-shadow: 0 0 0 4px rgba(107,155,184,.15); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* =========================================
   4. COMMON SECTIONS
   ========================================= */
section { padding: 100px 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 70px; }
.section-tag { display: inline-block; padding: 6px 16px; background: var(--blue-soft); color: var(--blue-deep); border-radius: 50px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 18px; }
.section-head h2 { font-size: 44px; margin-bottom: 18px; letter-spacing: -.5px; }
.section-head p { color: var(--text-soft); font-size: 17px; }

/* HERO & CARDS */
.hero { padding: 160px 0 120px; background: radial-gradient(ellipse at top right, rgba(188,212,228,.5), transparent 60%), radial-gradient(ellipse at bottom left, rgba(156,192,214,.3), transparent 60%), var(--bg); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--white); padding: 8px 18px; border-radius: 50px; font-size: 13px; font-weight: 600; color: var(--blue-deep); box-shadow: var(--shadow); margin-bottom: 24px; }
.hero-badge i { color: var(--blue-accent); }
.hero h1 { font-size: 56px; margin-bottom: 24px; letter-spacing: -1px; }
.hero h1 span { color: var(--blue-deep); font-style: italic; }
.hero p { font-size: 18px; color: var(--text-soft); margin-bottom: 36px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { position: relative; height: 560px; overflow: visible; }
.hero-card { position: absolute; background: var(--white); border-radius: 20px; box-shadow: var(--shadow); padding: 20px; z-index: 3; }
.hero-card-main { top: 50%; left: 50%; transform: translate(-50%,-50%); width: 280px; height: 420px; padding: 28px; background: linear-gradient(160deg, #fff 0%, var(--bg-soft) 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 2; }
.product-bottle { width: 280px; height: 364px; background-image: url("product_02.jpg"); background-size: contain; background-repeat: no-repeat; background-position: center; }
.hero-card-stat { top: 20px; left: 0; width: 180px; padding: 18px; text-align: center; z-index: 4; }
.stat-num { font-size: 30px; font-weight: 800; color: var(--blue-deep); font-family: 'Playfair Display',serif; line-height: 1; }
.stat-label { font-size: 11px; color: var(--text-soft); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin-top: 6px; line-height: 1.3; }
.hero-card-species { top: 20px; right: 0; width: 200px; display: flex; align-items: center; gap: 12px; z-index: 4; }
.hero-card-safe { bottom: 20px; left: 0; width: 210px; display: flex; align-items: center; gap: 12px; z-index: 4; }
.hero-card-float { bottom: 20px; right: 0; width: 230px; display: flex; align-items: center; gap: 12px; z-index: 4; }
.species-icon, .safe-icon, .float-icon { width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; }
.species-icon { background: linear-gradient(135deg, var(--blue-soft), var(--blue-warm)); }
.safe-icon { background: linear-gradient(135deg, var(--blue-warm), var(--blue-deep)); }
.float-icon { background: linear-gradient(135deg, var(--blue-soft), var(--blue-warm)); }
.species-text h4, .safe-text h4, .float-text h4 { font-size: 14px; font-family: 'Manrope', sans-serif; font-weight: 700; line-height: 1.2; margin-bottom: 4px; }
.species-text p, .safe-text p, .float-text p { font-size: 12px; color: var(--text-soft); margin: 0; }

/* ABOUT, PRODUCT, INGREDIENTS, BLOG, CONTACTS, FOOTER, UTILS */
/* (Сокращено для экономии места. Используйте полную версию из предыдущего ответа или скопируйте сюда все секции 6-14) */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { aspect-ratio: 1; border-radius: 30px; background: radial-gradient(circle at 30% 30%, var(--blue-soft), transparent 60%), linear-gradient(135deg, var(--bg-soft), var(--blue-soft)); display: flex; align-items: center; justify-content: center; position: relative; }
.about-icon-big { width: 220px; height: 220px; display: flex; align-items: center; justify-content: center; }
.about-icon-big i { font-size: 100px; color: var(--blue-deep); }
.about-float-badge { position: absolute; background: var(--white); padding: 14px 20px; border-radius: 14px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 12px; }
.about-float-badge i { color: var(--blue-deep); font-size: 22px; }
.about-float-badge strong { display: block; font-size: 14px; }
.about-float-badge span { font-size: 12px; color: var(--text-soft); }
.afb-1 { top: 40px; left: 30px; } .afb-2 { bottom: 60px; right: 30px; } .afb-3 { top: 50%; right: 40px; transform: translateY(-50%); }
.about h2 { font-size: 40px; margin-bottom: 22px; }
.about-lead { font-size: 17px; color: var(--text-soft); margin-bottom: 30px; }
.about-features { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.about-features li { display: flex; gap: 16px; align-items: flex-start; }
.feature-ico { width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; color: var(--blue-deep); font-size: 18px; }
.about-features h4 { font-size: 16px; margin-bottom: 4px; font-family: 'Manrope', sans-serif; font-weight: 700; }
.about-features p { font-size: 14px; color: var(--text-soft); margin: 0; }

.product { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }
.product-showcase { background: var(--white); border-radius: 30px; padding: 60px; box-shadow: var(--shadow); display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; margin-bottom: 50px; }
.product-img { border-radius: 24px; background: linear-gradient(160deg, var(--blue-soft), var(--blue-warm)); display: flex; align-items: center; justify-content: center; min-height: 400px; position: relative; }
.product-info h3 { font-size: 34px; margin-bottom: 14px; }
.product-info .subtitle { color: var(--blue-deep); font-weight: 600; margin-bottom: 20px; font-size: 15px; }
.product-info p { color: var(--text-soft); margin-bottom: 24px; }
.product-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 30px; }
.benefit { display: flex; gap: 12px; align-items: center; padding: 14px; background: var(--bg); border-radius: 12px; }
.benefit i { color: var(--blue-deep); font-size: 20px; }
.benefit span { font-size: 14px; font-weight: 600; }

.ingredients { background: var(--white); }
.ingr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.ingr-card { background: var(--bg); border-radius: var(--radius); padding: 32px 28px; transition: .35s; border: 1px solid transparent; position: relative; overflow: hidden; }
.ingr-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--blue-warm), var(--blue-deep)); transform: scaleX(0); transform-origin: left; transition: .4s; }
.ingr-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); background: var(--white); border-color: var(--blue-soft); }
.ingr-card:hover::before { transform: scaleX(1); }
.ingr-icon { width: 64px; height: 64px; border-radius: 18px; background: linear-gradient(135deg, var(--blue-soft), var(--blue-warm)); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 28px; color: #fff; }
.ingr-card h4 { font-size: 20px; margin-bottom: 10px; font-family: 'Manrope', sans-serif; font-weight: 700; }
.ingr-card p { color: var(--text-soft); font-size: 14px; }
.ingr-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.ingr-tag { font-size: 11px; padding: 4px 10px; background: var(--white); border: 1px solid var(--blue-soft); border-radius: 50px; color: var(--blue-deep); font-weight: 600; }

.blog-preview { background: var(--bg); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-card { background: var(--white); border-radius: var(--radius); overflow: hidden; transition: .35s; cursor: pointer; text-decoration: none; color: inherit; display: block; }
.blog-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.blog-img { height: 200px; display: flex; align-items: center; justify-content: center; font-size: 70px; color: #fff; }
.blog-img.b1 { background: linear-gradient(135deg, #9cc0d6, #6b9bb8); } .blog-img.b2 { background: linear-gradient(135deg, #bcd4e4, #9cc0d6); } .blog-img.b3 { background: linear-gradient(135deg, #7aa9c2, #5a8ea8); }
.blog-body { padding: 28px; }
.blog-cat { display: inline-block; font-size: 11px; font-weight: 700; color: var(--blue-deep); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.blog-card h4 { font-size: 19px; margin-bottom: 10px; line-height: 1.35; font-family: 'Manrope', sans-serif; font-weight: 700; }
.blog-card p { color: var(--text-soft); font-size: 14px; margin-bottom: 16px; }
.blog-more { color: var(--blue-deep); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }

.contacts { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: flex-start; }
.contact-info h3 { font-size: 32px; margin-bottom: 18px; }
.contact-info > p { color: var(--text-soft); margin-bottom: 34px; }
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 22px; }
.contact-list li { display: flex; gap: 18px; align-items: center; }
.contact-ico { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, var(--blue-soft), var(--blue-warm)); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #fff; font-size: 20px; }
.contact-list strong { display: block; font-size: 13px; color: var(--text-soft); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 2px; }
.contact-list span { font-size: 16px; font-weight: 500; }
.contact-cta-box { background: var(--bg); padding: 40px; border-radius: 24px; text-align: center; }
.contact-cta-box h3 { font-size: 28px; margin-bottom: 14px; }
.contact-cta-box p { color: var(--text-soft); margin-bottom: 24px; font-size: 15px; }

.page-hero { padding: 160px 0 80px; text-align: center; background: radial-gradient(ellipse at top, rgba(188,212,228,.45), transparent 60%), var(--bg); }
.page-hero h1 { font-size: 52px; margin-bottom: 20px; letter-spacing: -1px; }
.page-hero p { color: var(--text-soft); font-size: 18px; max-width: 640px; margin: 0 auto; }
.breadcrumbs { display: flex; gap: 8px; justify-content: center; align-items: center; font-size: 14px; color: var(--text-soft); margin-top: 20px; }
.breadcrumbs a { color: var(--blue-deep); text-decoration: none; }
.breadcrumbs i { font-size: 10px; }

.tips-section { padding: 80px 0; background: var(--white); }
.tips-section .section-head { text-align: center; margin-bottom: 60px; }
.tips-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tip { padding: 30px 24px; background: var(--bg); border-radius: var(--radius); text-align: center; transition: .3s; }
.tip:hover { background: var(--white); box-shadow: var(--shadow); transform: translateY(-5px); }
.tip-ico { width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 18px; background: linear-gradient(135deg, var(--blue-soft), var(--blue-warm)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 26px; }
.tip h4 { font-size: 16px; margin-bottom: 8px; font-family: 'Manrope', sans-serif; font-weight: 700; }
.tip p { font-size: 13px; color: var(--text-soft); }

.cta { padding: 80px 0; }
.cta-box { background: linear-gradient(135deg, var(--blue-warm), var(--blue-deep)); border-radius: 28px; padding: 60px; text-align: center; color: #fff; box-shadow: 0 20px 60px rgba(107,155,184,.35); }
.cta-box h2 { font-size: 38px; margin-bottom: 14px; }
.cta-box p { opacity: .9; margin-bottom: 28px; font-size: 17px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-box .btn { background: #fff; color: var(--blue-deep); }
.cta-box .btn:hover { background: var(--bg-soft); }

footer { background: var(--text); color: rgba(255,255,255,.7); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h5 { color: #fff; font-size: 15px; margin-bottom: 18px; font-family: 'Manrope', sans-serif; font-weight: 700; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: rgba(255,255,255,.65); text-decoration: none; font-size: 14px; transition: .2s; }
.footer-col a:hover { color: var(--blue-soft); }
.footer-col p { font-size: 14px; line-height: 1.7; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; transition: .25s; }
.socials a:hover { background: var(--blue-deep); transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; text-align: center; font-size: 13px; }
.reveal { opacity: 0; transform: translateY(30px); transition: .8s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* =========================================
   5. CHECKOUT PAGE (НОВОЕ)
   ========================================= */
.checkout-page { padding-top: 100px; min-height: 100vh; background: var(--bg); }
.checkout-head { text-align: center; padding: 40px 0 50px; }
.checkout-head h1 { font-size: 42px; margin-bottom: 12px; }
.checkout-head p { color: var(--text-soft); font-size: 16px; }
.checkout-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; margin-bottom: 60px; }
.product-summary { background: var(--white); padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow); position: sticky; top: 120px; }
.product-summary h3 { font-size: 24px; margin-bottom: 10px; }
.product-summary .subtitle { color: var(--blue-deep); font-size: 14px; margin-bottom: 16px; line-height: 1.4; }
.price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.price-current { font-size: 28px; font-weight: 700; color: var(--text); }
.price-old { font-size: 18px; color: var(--text-soft); text-decoration: line-through; }
.qty-control { display: flex; align-items: center; gap: 12px; background: var(--bg); padding: 8px 12px; border-radius: 10px; width: fit-content; }
.qty-btn { width: 32px; height: 32px; border-radius: 6px; background: var(--white); border: 1px solid var(--blue-soft); cursor: pointer; font-size: 18px; color: var(--text); display: flex; align-items: center; justify-content: center; transition: .2s; }
.qty-btn:hover { background: var(--bg-soft); }
.qty-val { min-width: 24px; text-align: center; font-weight: 600; }
.checkout-form { background: var(--white); padding: 36px; border-radius: var(--radius); box-shadow: var(--shadow); }
.checkout-form h2 { font-size: 24px; margin-bottom: 8px; }
.checkout-form > p { color: var(--text-soft); margin-bottom: 24px; font-size: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.delivery-box { margin: 24px 0; background: var(--bg); padding: 20px; border-radius: 12px; }
.delivery-option { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--bg-soft); cursor: pointer; }
.delivery-option:last-child { border-bottom: none; }
.delivery-label { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.delivery-label input { accent-color: var(--blue-deep); width: 18px; height: 18px; cursor: pointer; }
.delivery-meta strong { display: block; font-size: 14px; font-weight: 600; }
.delivery-meta span { font-size: 12px; color: var(--text-soft); }
.delivery-price { font-weight: 700; color: var(--blue-deep); }
.payment-note { background: var(--bg-soft); padding: 16px; border-radius: 10px; margin: 24px 0; font-size: 13px; color: var(--text-soft); line-height: 1.5; border-left: 4px solid var(--blue-warm); }
.checkout-features { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; padding-bottom: 80px; }
.checkout-features span { display: flex; align-items: center; gap: 8px; color: var(--text-soft); font-size: 14px; font-weight: 500; }
.checkout-features i { color: var(--blue-deep); font-size: 16px; }

/* =========================================
   6. RESPONSIVE
   ========================================= */
@media (max-width: 1100px) {
  .hero-card-species { width: 180px; } .hero-card-safe { width: 190px; } .hero-card-float { width: 210px; }
}
@media (max-width: 960px) {
  .hero-grid, .about-grid, .product-showcase, .contact-grid, .checkout-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-summary { position: static; order: -1; }
  .hero h1 { font-size: 40px; }
  .section-head h2, .about h2 { font-size: 32px; }
  .blog-grid, .tips-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { height: 500px; max-width: 420px; margin: 0 auto; }
  .product-showcase, .checkout-form { padding: 28px; }
  .burger { display: block; }
  .nav-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px; box-shadow: var(--shadow); }
  .nav-menu.open { display: flex; }
  .page-hero h1 { font-size: 38px; }
}
@media (max-width: 560px) {
  .footer-grid, .blog-grid, .tips-grid, .form-row { grid-template-columns: 1fr; }
  .product-benefits { grid-template-columns: 1fr; }
  section { padding: 70px 0; }
  .hero-visual { height: 480px; }
  .hero-card-main { width: 220px; height: 360px; }
  .product-bottle { width: 120px; height: 210px; }
  .hero-card-stat, .hero-card-species, .hero-card-safe, .hero-card-float { width: 160px; padding: 14px; }
  .hero-card-stat { top: 0; left: 0; } .hero-card-species { top: 0; right: 0; }
  .hero-card-safe { bottom: 0; left: 0; } .hero-card-float { bottom: 0; right: 0; }
  .stat-num { font-size: 24px; }
  .species-text h4, .safe-text h4, .float-text h4 { font-size: 12px; }
  .species-text p, .safe-text p, .float-text p { font-size: 11px; }
  .species-icon, .safe-icon, .float-icon { width: 40px; height: 40px; font-size: 16px; }
  .cta-box, .checkout-form { padding: 28px 20px; }
  .checkout-features { gap: 20px; }
}