/* ==========================================================
   Elaf Medical Oman - Site theme
   Palette derived directly from the company logo:
   teal accent + neutral grey + white.
   ========================================================== */

:root {
  --color-primary: #14a38b;
  --color-primary-dark: #0c7a66;
  --color-primary-light: #e6f7f3;
  --color-gray-900: #2b2d2f;
  --color-gray-700: #55585b;
  --color-gray-500: #8a8d90;
  --color-gray-300: #d3d5d6;
  --color-gray-100: #f5f6f6;
  --color-white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(43, 45, 47, 0.08);
  --shadow-md: 0 6px 24px rgba(43, 45, 47, 0.10);
  --radius: 14px;
  --max-width: 1180px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-gray-900);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-primary);
  color: #fff; padding: 10px 16px; z-index: 1000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-gray-100);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--color-gray-900); }
.brand img { height: 44px; width: 44px; }
.brand-text { line-height: 1.15; }
.brand-text .ar { display: block; font-size: 0.8rem; color: var(--color-gray-500); }
.brand-text .en { display: block; font-size: 1.05rem; }
.brand:hover { text-decoration: none; }

.main-nav ul {
  list-style: none; display: flex; gap: 28px; margin: 0; padding: 0;
}
.main-nav a {
  color: var(--color-gray-700); font-weight: 600; font-size: 0.95rem;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-primary-dark); text-decoration: none; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--color-gray-300);
  border-radius: 8px; padding: 8px 10px; cursor: pointer;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  border: 2px solid transparent; cursor: pointer; transition: all 0.15s ease;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary-dark); }
.btn-outline:hover { background: var(--color-primary-light); text-decoration: none; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--color-primary-light) 0%, #ffffff 60%);
  padding: 72px 0 56px;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; color: var(--color-primary-dark); background: var(--color-primary-light);
  border-radius: 999px; padding: 6px 14px; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.03em; text-transform: uppercase; margin-bottom: 16px;
}
.hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.15; margin: 0 0 18px; }
.hero p.lead { font-size: 1.1rem; color: var(--color-gray-700); margin: 0 0 28px; max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { display: flex; align-items: center; justify-content: center; }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-title { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-title .eyebrow { display: inline-block; }
.section-title h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 8px 0 12px; }
.section-title p { color: var(--color-gray-700); margin: 0; }

.bg-tint { background: var(--color-gray-100); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--color-gray-100); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm); transition: box-shadow 0.15s ease, transform 0.15s ease;
  height: 100%;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card .icon { width: 48px; height: 48px; color: var(--color-primary); margin-bottom: 16px; }
.card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--color-gray-700); font-size: 0.95rem; }
.card .card-link { display: inline-block; margin-top: 14px; font-weight: 700; font-size: 0.9rem; }

.product-card { display: flex; flex-direction: column; }
.product-card .tag {
  align-self: flex-start; font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  color: var(--color-primary-dark); background: var(--color-primary-light); border-radius: 999px;
  padding: 4px 12px; margin-bottom: 14px;
}

.value-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.value-list li { display: flex; gap: 14px; align-items: flex-start; }
.value-list .icon { flex: none; width: 28px; height: 28px; color: var(--color-primary); margin-top: 3px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats .stat b { display: block; font-size: 2rem; color: var(--color-primary-dark); }
.stats .stat span { color: var(--color-gray-700); font-size: 0.9rem; }

/* ---------- Product detail page ---------- */
.product-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.spec-table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.spec-table th, .spec-table td {
  text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--color-gray-100); font-size: 0.95rem;
}
.spec-table th { width: 45%; color: var(--color-gray-700); font-weight: 600; }

.callout {
  border-left: 4px solid var(--color-primary); background: var(--color-primary-light);
  border-radius: 0 10px 10px 0; padding: 18px 22px; margin: 24px 0; font-size: 0.95rem;
}
.callout.warning { border-color: #c9922a; background: #fdf4e3; }
.callout strong { display: block; margin-bottom: 4px; }

.breadcrumbs { font-size: 0.85rem; color: var(--color-gray-500); margin-bottom: 18px; }
.breadcrumbs a { color: var(--color-gray-500); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
label { font-weight: 600; font-size: 0.9rem; }
input, select, textarea {
  font: inherit; padding: 12px 14px; border: 1px solid var(--color-gray-300);
  border-radius: 10px; background: #fff; color: var(--color-gray-900);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-primary); outline-offset: 1px; border-color: var(--color-primary);
}
.hp-field { position: absolute; left: -9999px; top: -9999px; }

.alert { padding: 16px 20px; border-radius: 10px; margin-bottom: 24px; font-size: 0.95rem; }
.alert-success { background: var(--color-primary-light); color: var(--color-primary-dark); }
.alert-error { background: #fdeceb; color: #9a2f22; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff; border-radius: var(--radius); padding: 48px; text-align: center;
}
.cta-banner h2 { margin: 0 0 12px; }
.cta-banner p { margin: 0 0 26px; opacity: 0.95; }
.cta-banner .btn-outline { border-color: #fff; color: #fff; }
.cta-banner .btn-outline:hover { background: rgba(255,255,255,0.15); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-gray-900); color: var(--color-gray-300); padding: 56px 0 24px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin: 0 0 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--color-gray-300); font-size: 0.9rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.82rem; color: var(--color-gray-500);
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed; bottom: 22px; right: 22px; z-index: 200; background: #25d366; color: #fff;
  width: 58px; height: 58px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
}
.whatsapp-float:hover { transform: scale(1.06); text-decoration: none; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.small { font-size: 0.85rem; color: var(--color-gray-500); }

.js-contact-pending { opacity: 0.6; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner, .product-hero { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; inset: 64px 0 0 0; background: #fff; padding: 24px; transform: translateX(100%); transition: transform 0.2s ease; overflow-y: auto; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 6px; }
  .main-nav a { display: block; padding: 12px 0; font-size: 1.05rem; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-outline { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}