/* ============================================================
   Yourlab — Premium Pathology Lab Theme
   ============================================================ */
:root {
  --primary: #0d7f8c;
  --primary-dark: #0a616b;
  --primary-light: #e6f4f5;
  --secondary: #124559;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --whatsapp: #25d366;
  --whatsapp-dark: #1eb958;
  --ink: #16323d;
  --muted: #5b7280;
  --line: #e3ecef;
  --bg: #ffffff;
  --bg-soft: #f4f9fa;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(18, 69, 89, 0.07);
  --shadow-md: 0 8px 28px rgba(18, 69, 89, 0.12);
  --shadow-lg: 0 16px 48px rgba(18, 69, 89, 0.16);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--secondary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 50px; font-weight: 700; font-size: 15px;
  border: 2px solid transparent; cursor: pointer; transition: all .25s ease;
  font-family: var(--font); line-height: 1.2; text-align: center;
}
.btn svg { flex-shrink: 0; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background: var(--whatsapp-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--secondary); color: #cfe3ea; font-size: 13px;
  padding: 7px 0; position: relative; z-index: 60;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; }
.topbar-left { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-social { display: flex; gap: 10px; align-items: center; }
.topbar-social a { display: inline-flex; opacity: .85; }
.topbar-social a:hover { opacity: 1; }

/* ---------- Header ---------- */
.site-header {
  background: #fff; position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 0 var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { height: 46px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-size: 24px; font-weight: 800; color: var(--secondary); letter-spacing: -.5px; }
.brand-name span { color: var(--primary); }
.brand-tag { font-size: 10.5px; color: var(--muted); font-weight: 600; letter-spacing: .4px; text-transform: uppercase; }

.main-nav ul { display: flex; gap: 4px; align-items: center; }
.main-nav a {
  display: block; padding: 9px 15px; font-weight: 600; font-size: 15px;
  color: var(--ink); border-radius: 8px; transition: all .2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--primary); background: var(--primary-light); }
.header-cta { display: flex; align-items: center; gap: 10px; }

/* Hamburger */
.hamburger {
  display: none; background: var(--primary-light); border: none; cursor: pointer;
  width: 46px; height: 46px; border-radius: 10px; position: relative; z-index: 70;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
  transition: background .2s;
}
.hamburger span {
  display: block; width: 22px; height: 2.5px; background: var(--primary);
  border-radius: 2px; transition: all .3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed; top: 0; right: -320px; width: 300px; max-width: 85vw; height: 100dvh;
  background: #fff; z-index: 65; box-shadow: var(--shadow-lg);
  transition: right .32s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column; overflow-y: auto;
}
.mobile-nav.open { right: 0; }
.mobile-nav-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; border-bottom: 1px solid var(--line);
}
.mobile-nav-close {
  background: var(--primary-light); border: none; width: 38px; height: 38px;
  border-radius: 9px; cursor: pointer; font-size: 20px; color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.mobile-nav ul { padding: 12px; }
.mobile-nav ul a {
  display: block; padding: 13px 16px; font-weight: 600; font-size: 16px;
  color: var(--ink); border-radius: 10px; margin-bottom: 2px;
}
.mobile-nav ul a:hover, .mobile-nav ul a.active { background: var(--primary-light); color: var(--primary); }
.mobile-nav-foot { margin-top: auto; padding: 20px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.nav-overlay {
  position: fixed; inset: 0; background: rgba(18, 69, 89, .5); z-index: 62;
  opacity: 0; visibility: hidden; transition: opacity .3s;
}
.nav-overlay.show { opacity: 1; visibility: visible; }

/* ---------- Hero slider ---------- */
.hero { position: relative; overflow: hidden; background: var(--secondary); }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease; z-index: 1;
  display: flex; align-items: center;
}
.hero-slide.active { opacity: 1; z-index: 2; position: relative; }
.hero-slide-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-slide-bg::after { content:''; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10, 48, 63, .93) 0%, rgba(13, 127, 140, .75) 55%, rgba(13, 127, 140, .3) 100%);
}
.hero-content { position: relative; z-index: 3; padding: 90px 0 100px; max-width: 640px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25); color: #fff; padding: 7px 16px;
  border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 20px;
  backdrop-filter: blur(4px);
}
.hero h1, .hero .h1 {
  color: #fff; font-size: clamp(30px, 4.6vw, 50px); font-weight: 800;
  letter-spacing: -1px; margin-bottom: 18px;
}
.hero p { color: rgba(255,255,255,.88); font-size: clamp(15px, 1.6vw, 18px); margin-bottom: 30px; max-width: 540px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-dots {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 9px; z-index: 5;
}
.hero-dots button {
  width: 10px; height: 10px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.4); transition: all .3s; padding: 0;
}
.hero-dots button.active { background: #fff; width: 28px; border-radius: 6px; }

/* Trust strip under hero */
.trust-strip { background: #fff; box-shadow: var(--shadow-md); border-radius: var(--radius); position: relative; z-index: 6; margin-top: -44px; }
.trust-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { display: flex; align-items: center; gap: 13px; padding: 22px 24px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: none; }
.trust-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0;
}
.trust-item b { display: block; font-size: 15px; color: var(--secondary); }
.trust-item small { color: var(--muted); font-size: 12.5px; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.section-label {
  display: inline-block; color: var(--primary); background: var(--primary-light);
  font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px;
  padding: 6px 16px; border-radius: 50px; margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -.6px; margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 16px; }

/* ---------- Features ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .3s ease;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-icon {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--primary), #14a3b0);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- About block ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.about-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.about-content .section-label { margin-bottom: 14px; }
.about-content h2 { font-size: clamp(25px, 3vw, 34px); letter-spacing: -.6px; margin-bottom: 16px; }
.about-content p { color: var(--muted); margin-bottom: 14px; }
.about-points { margin: 20px 0 26px; display: grid; gap: 11px; }
.about-points li { display: flex; gap: 11px; align-items: flex-start; font-weight: 600; font-size: 15px; }
.about-points svg { color: var(--primary); flex-shrink: 0; margin-top: 3px; }

/* ---------- Stats ---------- */
.stats { background: linear-gradient(115deg, var(--secondary), var(--primary)); color: #fff; padding: 54px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat b { display: block; font-size: clamp(30px, 4vw, 42px); font-weight: 800; letter-spacing: -1px; }
.stat span { opacity: .85; font-size: 14.5px; font-weight: 600; }

/* ---------- Package cards ---------- */
.pkg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pkg-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: all .3s ease; position: relative;
}
.pkg-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.pkg-img { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--primary-light); }
.pkg-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.pkg-card:hover .pkg-img img { transform: scale(1.05); }
.pkg-badge {
  position: absolute; top: 12px; left: 12px; background: var(--accent); color: #fff;
  font-size: 11.5px; font-weight: 700; padding: 5px 12px; border-radius: 50px; z-index: 2;
}
.pkg-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.pkg-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.pkg-chip {
  font-size: 11.5px; font-weight: 700; color: var(--primary); background: var(--primary-light);
  padding: 4px 11px; border-radius: 50px;
}
.pkg-chip.alt { color: var(--accent-dark); background: #fff3e8; }
.pkg-card h3 { font-size: 18.5px; margin-bottom: 8px; }
.pkg-card h3 a { color: var(--secondary); }
.pkg-card h3 a:hover { color: var(--primary); }
.pkg-desc { color: var(--muted); font-size: 14px; margin-bottom: 16px; flex: 1; }
.pkg-price-row { display: flex; align-items: baseline; gap: 9px; margin-bottom: 16px; }
.pkg-price { font-size: 26px; font-weight: 800; color: var(--primary); letter-spacing: -.5px; }
.pkg-old { color: #9db1ba; text-decoration: line-through; font-size: 15px; font-weight: 600; }
.pkg-off { color: #16a34a; font-size: 13px; font-weight: 700; }
.pkg-actions { display: flex; gap: 10px; }
.pkg-actions .btn { flex: 1; padding: 11px 10px; font-size: 14px; }

/* ---------- How it works ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step-card { text-align: center; padding: 34px 24px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); position: relative; }
.step-num {
  width: 58px; height: 58px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #14a3b0); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 23px; font-weight: 800;
  box-shadow: 0 8px 20px rgba(13,127,140,.35);
}
.step-card h3 { font-size: 18px; margin-bottom: 9px; }
.step-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- Reviews ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; display: flex; flex-direction: column; gap: 14px; transition: all .3s;
}
.review-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.review-stars { color: #f5a623; display: flex; gap: 2px; }
.review-text { color: var(--ink); font-size: 14.5px; flex: 1; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #14a3b0);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 17px;
}
.review-author b { display: block; font-size: 15px; color: var(--secondary); }
.review-author small { color: var(--muted); font-size: 12.5px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(115deg, var(--secondary) 0%, var(--primary) 100%);
  border-radius: 20px; padding: 52px 48px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px;
  border-radius: 50%; background: rgba(255,255,255,.08);
}
.cta-band h2 { color: #fff; font-size: clamp(22px, 3vw, 32px); letter-spacing: -.5px; margin-bottom: 8px; }
.cta-band p { opacity: .88; font-size: 15.5px; max-width: 480px; }
.cta-band .btn { position: relative; z-index: 2; }

/* ---------- Blog cards ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.blog-card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--primary-light); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.blog-card:hover .blog-card-img img { transform: scale(1.05); }
.blog-card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.blog-date { font-size: 12.5px; color: var(--muted); font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.blog-card h3 { font-size: 17.5px; margin-bottom: 9px; }
.blog-card h3 a { color: var(--secondary); }
.blog-card h3 a:hover { color: var(--primary); }
.blog-card p { color: var(--muted); font-size: 14px; flex: 1; margin-bottom: 14px; }
.read-more { font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Page hero ---------- */
.page-hero {
  background: linear-gradient(115deg, var(--secondary) 0%, var(--primary) 100%);
  color: #fff; padding: 58px 0; text-align: center;
}
.page-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 40px); letter-spacing: -.8px; margin-bottom: 10px; }
.page-hero p { opacity: .88; max-width: 620px; margin: 0 auto; font-size: 16px; }
.breadcrumb { margin-top: 16px; font-size: 13.5px; opacity: .8; }
.breadcrumb a { color: #fff; text-decoration: underline; }

/* ---------- Product detail ---------- */
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.pd-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); position: sticky; top: 100px; }
.pd-title { font-size: clamp(24px, 3vw, 32px); letter-spacing: -.6px; margin-bottom: 12px; }
.pd-price-box {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 24px; margin: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.pd-price { font-size: 34px; font-weight: 800; color: var(--primary); letter-spacing: -1px; }
.pd-tests { margin: 24px 0; }
.pd-tests h3 { font-size: 19px; margin-bottom: 14px; }
.pd-tests-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pd-tests-list li {
  display: flex; gap: 9px; align-items: flex-start; background: #fff; border: 1px solid var(--line);
  border-radius: 10px; padding: 11px 14px; font-size: 14px; font-weight: 600;
}
.pd-tests-list svg { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.pd-desc { color: var(--muted); white-space: pre-line; margin: 18px 0; }
.pd-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; display: grid; gap: 20px;
}
.contact-line { display: flex; gap: 15px; align-items: flex-start; }
.contact-line b { display: block; color: var(--secondary); font-size: 15px; }
.contact-line a, .contact-line span { color: var(--muted); font-size: 14.5px; word-break: break-word; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-weight: 700; font-size: 13.5px; color: var(--secondary); }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 15px; border: 1.5px solid var(--line); border-radius: 10px;
  font-family: var(--font); font-size: 15px; color: var(--ink); background: #fff;
  transition: border .2s; width: 100%;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary);
}

/* ---------- Legal / article ---------- */
.article { max-width: 800px; margin: 0 auto; }
.article h2 { font-size: 24px; margin: 30px 0 12px; }
.article h3 { font-size: 19px; margin: 24px 0 10px; }
.article p, .article li { color: #3d5560; margin-bottom: 12px; font-size: 15.5px; }
.article ul { list-style: disc; padding-left: 22px; }
.article-img { border-radius: var(--radius); overflow: hidden; margin-bottom: 28px; box-shadow: var(--shadow-sm); }
.article-meta { display: flex; gap: 16px; color: var(--muted); font-size: 14px; margin-bottom: 22px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: #0b2f3c; color: #a8c2cc; margin-top: auto; }
.footer-main { padding: 58px 0 40px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .brand-name { color: #fff; font-size: 25px; }
.footer-brand p { font-size: 14px; margin: 14px 0 18px; line-height: 1.7; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.09);
  display: inline-flex; align-items: center; justify-content: center; color: #fff; transition: all .25s;
}
.footer-social a:hover { background: var(--primary); transform: translateY(-3px); }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: #a8c2cc; font-size: 14.5px; transition: all .2s; }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; }
.footer-contact svg { flex-shrink: 0; margin-top: 3px; color: #3ec6d4; }
.footer-contact a { color: #a8c2cc; }
.footer-contact a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13.5px; }
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal a { color: #a8c2cc; }
.footer-legal a:hover { color: #fff; }
.footer-credit { width: 100%; text-align: center; margin-top: 10px; font-size: 12px; color: #6f93a0; }
.footer-credit a { color: #8fb3bf; font-weight: 600; }
.footer-credit a:hover { color: #fff; }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 55;
  width: 58px; height: 58px; border-radius: 50%; background: var(--whatsapp);
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45); transition: all .3s;
  animation: wa-pulse 2.4s infinite;
}
.wa-float:hover { transform: scale(1.1); color: #fff; }
@keyframes wa-pulse {
  0% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.4); }
  70% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mission-card {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--primary);
  border-radius: var(--radius); padding: 26px;
}
.mission-card h3 { font-size: 18px; margin-bottom: 8px; color: var(--primary); }
.mission-card p { color: var(--muted); font-size: 14.5px; }
.founder-card {
  display: flex; gap: 24px; align-items: center; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; margin-top: 30px;
}
.founder-photo { width: 110px; height: 110px; border-radius: 50%; overflow: hidden; flex-shrink: 0; box-shadow: var(--shadow-sm); }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; }
.founder-info b { font-size: 18px; color: var(--secondary); display: block; }
.founder-info small { color: var(--primary); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .6px; }
.founder-info p { color: var(--muted); font-size: 14.5px; margin-top: 10px; }

.filter-bar { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 38px; }
.filter-btn {
  padding: 9px 22px; border-radius: 50px; border: 1.5px solid var(--line); background: #fff;
  font-family: var(--font); font-weight: 700; font-size: 14px; color: var(--muted); cursor: pointer; transition: all .25s;
}
.filter-btn:hover, .filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- Book Now modal ---------- */
.book-modal-overlay {
  position: fixed; inset: 0; background: rgba(18, 69, 89, .6); z-index: 80;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity .25s;
}
.book-modal-overlay.show { opacity: 1; visibility: visible; }
.book-modal {
  background: #fff; border-radius: 18px; padding: 30px; width: 100%; max-width: 440px;
  box-shadow: var(--shadow-lg); position: relative; max-height: 92dvh; overflow-y: auto;
  transform: translateY(14px); transition: transform .25s;
}
.book-modal-overlay.show .book-modal { transform: translateY(0); }
.book-modal-close {
  position: absolute; top: 14px; right: 14px; width: 36px; height: 36px;
  border: none; border-radius: 9px; background: var(--primary-light); color: var(--primary);
  font-size: 20px; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.book-modal h3 { font-size: 21px; margin-bottom: 4px; }
.book-modal-pkg { color: var(--muted); font-size: 14.5px; margin-bottom: 18px; }
.book-modal-pkg b { color: var(--primary); }
.book-modal .form-group { margin-bottom: 14px; }
.book-modal-error {
  display: none; background: #fef2f2; border: 1px solid #fecaca; color: #991b1b;
  padding: 10px 14px; border-radius: 9px; font-size: 13.5px; font-weight: 600; margin-bottom: 12px;
}
.book-modal-error.show { display: block; }
.book-modal-note { display: block; text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 10px; }

.alert-success {
  background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46;
  padding: 14px 18px; border-radius: 10px; margin-bottom: 18px; font-weight: 600; font-size: 14.5px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid, .pkg-grid, .reviews-grid, .blog-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-strip-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: none; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav, .header-cta .btn-book-desktop { display: none; }
  .hamburger { display: flex; }
  .about-grid, .pd-grid, .contact-grid { grid-template-columns: 1fr; }
  .pd-img { position: static; }
  .section { padding: 54px 0; }
}

@media (max-width: 600px) {
  .features-grid, .pkg-grid, .reviews-grid, .blog-grid, .steps-grid, .stats-grid,
  .trust-strip-grid, .footer-main, .form-grid, .grid-2, .pd-tests-list { grid-template-columns: 1fr; }
  .trust-item { border-right: none; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: none; }
  .topbar-left { gap: 10px; font-size: 12px; }
  .topbar .topbar-hours { display: none; }
  .hero-content { padding: 64px 0 84px; }
  .cta-band { padding: 36px 24px; text-align: center; justify-content: center; }
  .founder-card { flex-direction: column; text-align: center; }
  .brand img { height: 40px; }
  .brand-name { font-size: 20px; }
  .wa-float { width: 52px; height: 52px; bottom: 18px; right: 18px; }
  .btn { padding: 12px 22px; font-size: 14.5px; }
}