/* ==========================================================================
   MULTISACK — Shandong Jiangnan Plastics Co., Ltd.
   Export-oriented B2B website stylesheet
   ========================================================================== */

:root {
  --primary: #0e3a5d;
  --primary-dark: #0a2b45;
  --primary-light: #175a8a;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f4f7fa;
  --bg-dark: #0a2b45;
  --border: #e5e7eb;
  --white: #ffffff;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(14, 58, 93, 0.08);
  --shadow-md: 0 8px 24px rgba(14, 58, 93, 0.12);
  --shadow-lg: 0 16px 48px rgba(14, 58, 93, 0.18);
  --container: 1200px;
  --font: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  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-light); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-dark); }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary-dark);
  margin-bottom: .6em;
}

p { margin-bottom: 1em; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 84px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--bg-dark); color: #dbe7f1; }

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 12px;
}

.section-head h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 14px; }
.section-head p { color: var(--text-light); font-size: 17px; }
.section--dark .section-head h2 { color: var(--white); }
.section--dark .section-head p { color: #a9c3d8; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  text-align: center;
}

.btn--accent { background: var(--accent); color: #1f2937; }
.btn--accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 158, 11, .35); }

.btn--outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn--outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

.btn--white { background: #fff; color: var(--primary-dark); }
.btn--white:hover { background: var(--accent); color: #1f2937; }

.btn--ghost-white { border-color: rgba(255,255,255,.6); color: #fff; background: transparent; }
.btn--ghost-white:hover { background: #fff; color: var(--primary-dark); }

.btn--whatsapp { background: #25d366; color: #fff; }
.btn--whatsapp:hover { background: #1eb959; color: #fff; transform: translateY(-2px); }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--primary-dark);
  color: #cfe0ee;
  font-size: 13px;
  padding: 8px 0;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar a { color: #cfe0ee; }
.topbar a:hover { color: var(--accent); }
.topbar__left { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.topbar__right { display: flex; gap: 14px; align-items: center; }

.topbar .social-icon { display: inline-flex; width: 24px; height: 24px; align-items: center; justify-content: center; color: #cfe0ee; }
.topbar .social-icon:hover { color: var(--accent); }
.topbar .social-icon svg { width: 18px; height: 18px; fill: currentColor; }

/* ---------- Header / nav ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo__mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -1px;
}

.logo__text { line-height: 1.1; }
.logo__text strong { font-size: 21px; color: var(--primary-dark); font-weight: 800; letter-spacing: .5px; display: block; }
.logo__text span { font-size: 11px; color: var(--text-light); letter-spacing: 1.5px; text-transform: uppercase; display: block; }

.nav__menu { display: flex; align-items: center; gap: 6px; }

.nav__link {
  display: block;
  padding: 10px 15px;
  border-radius: 8px;
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
}

.nav__link:hover { color: var(--primary); background: var(--bg-soft); }
.nav__link.is-active { color: var(--primary); font-weight: 700; }

.nav__cta { margin-left: 12px; }
.nav__cta .btn { padding: 10px 22px; font-size: 14px; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  width: 26px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary-dark);
  transition: all .25s;
}

@media (max-width: 992px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    top: 78px;
    right: -100%;
    width: min(320px, 85vw);
    height: calc(100vh - 78px);
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 4px;
    box-shadow: -8px 0 30px rgba(14, 58, 93, .15);
    transition: right .3s ease;
    overflow-y: auto;
  }
  .nav__menu.is-open { right: 0; }
  .nav__link { width: 100%; padding: 12px 14px; font-size: 16px; }
  .nav__cta { margin: 12px 0 0; width: 100%; }
  .nav__cta .btn { width: 100%; }
  .topbar__left span:nth-child(2) { display: none; }
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }

.hero__slider { position: relative; height: min(720px, 92vh); min-height: 520px; }

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .8s ease;
  display: flex;
  align-items: center;
}

.hero__slide.is-active { opacity: 1; z-index: 1; }

.hero__slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 43, 69, .92) 0%, rgba(10, 43, 69, .72) 40%, rgba(10, 43, 69, .25) 100%);
  z-index: 1;
}

.hero__slide img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

.hero__content { position: relative; z-index: 2; max-width: 640px; padding: 40px 0; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, .15);
  border: 1px solid rgba(245, 158, 11, .5);
  color: #fcd34d;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero__content h1 {
  color: #fff;
  font-size: clamp(32px, 5vw, 56px);
  margin-bottom: 18px;
  letter-spacing: -.5px;
}

.hero__content p { color: #dbe7f1; font-size: 18px; margin-bottom: 30px; }

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.hero__dot {
  width: 34px;
  height: 4px;
  border-radius: 4px;
  background: rgba(255,255,255,.4);
  border: none;
  cursor: pointer;
  transition: all .3s;
}

.hero__dot.is-active { background: var(--accent); width: 48px; }

/* ---------- Stats strip ---------- */
.stats {
  background: var(--primary);
  color: #fff;
  padding: 36px 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stats__item .num { font-size: clamp(28px, 4vw, 44px); font-weight: 800; color: #fff; line-height: 1.1; }
.stats__item .num small { font-size: .55em; font-weight: 700; color: var(--accent); margin-left: 4px; }
.stats__item .label { font-size: 14px; color: #bcd3e6; margin-top: 6px; letter-spacing: .5px; }

@media (max-width: 768px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 28px 12px; }
}

/* ---------- Feature cards ---------- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all .3s ease;
}

.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }

.feature-card__icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 20px;
}

.feature-card__icon svg { width: 28px; height: 28px; fill: currentColor; }

.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p { color: var(--text-light); font-size: 15px; margin: 0; }

/* ---------- Product cards ---------- */
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.product-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-card__media img { transform: scale(1.06); }

.product-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #1f2937;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  letter-spacing: .5px;
}

.product-card__body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.product-card__body h3 { font-size: 18px; margin-bottom: 8px; }
.product-card__body p { color: var(--text-light); font-size: 14.5px; flex: 1; }

.product-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 18px;
}

.product-card__meta span {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 50px;
}

.product-card__link { font-weight: 700; font-size: 14.5px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.product-card__link:hover { color: var(--accent-dark); }
.product-card__link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.2; transition: transform .25s; }
.product-card__link:hover svg { transform: translateX(4px); }

/* ---------- About preview ---------- */
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

.about-preview__media { position: relative; }
.about-preview__media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }

.about-preview__media::after {
  content: "";
  position: absolute;
  inset: -18px 18px 18px -18px;
  border: 3px solid var(--accent);
  border-radius: var(--radius);
  z-index: -1;
}

.about-preview__badge {
  position: absolute;
  bottom: -22px;
  right: -12px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 18px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-preview__badge strong { display: block; font-size: 30px; color: var(--accent); line-height: 1; }
.about-preview__badge span { font-size: 12.5px; letter-spacing: 1px; text-transform: uppercase; }

.about-preview__body h2 { font-size: clamp(26px, 3.6vw, 38px); margin-bottom: 16px; }
.about-preview__body p { color: var(--text-light); }

.about-preview__checks { margin: 22px 0 30px; display: grid; gap: 10px; }
.about-preview__checks li { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; font-size: 15.5px; }
.about-preview__checks svg { width: 20px; height: 20px; fill: #22c55e; flex-shrink: 0; margin-top: 3px; }

@media (max-width: 960px) {
  .about-preview { grid-template-columns: 1fr; gap: 44px; }
  .about-preview__badge { right: 10px; }
}

/* ---------- Process ---------- */
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.process-step {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--primary);
  transition: all .3s;
}

.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.process-step__num {
  font-size: 42px;
  font-weight: 800;
  color: var(--bg-soft);
  line-height: 1;
  margin-bottom: 12px;
  transition: color .3s;
}

.process-step:hover .process-step__num { color: rgba(245, 158, 11, .25); }

.process-step h3 { font-size: 17px; margin-bottom: 8px; }
.process-step p { color: var(--text-light); font-size: 14px; margin: 0; }

@media (max-width: 960px) { .process__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process__grid { grid-template-columns: 1fr; } }

/* ---------- Factory ---------- */
.factory-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.factory-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  group: none;
}

.factory-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.factory-item:hover img { transform: scale(1.08); }

.factory-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 43, 69, .85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: .95;
  transition: opacity .3s;
}

.factory-item__overlay span {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .3px;
}

@media (max-width: 900px) { .factory-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .factory-grid { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 64px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(245, 158, 11, .12);
}

.cta-band::after {
  content: "";
  position: absolute;
  left: -80px;
  bottom: -160px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
}

.cta-band .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 3.4vw, 36px); margin-bottom: 8px; }
.cta-band p { color: #cfe0ee; margin: 0; font-size: 16.5px; }
.cta-band .btn { flex-shrink: 0; }

/* ---------- Footer ---------- */
.footer { background: var(--bg-dark); color: #a9c3d8; padding: 64px 0 0; }

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  letter-spacing: .5px;
}

.footer__about p { font-size: 14.5px; margin-top: 16px; }

.footer__links li { margin-bottom: 10px; }
.footer__links a { color: #a9c3d8; font-size: 14.5px; }
.footer__links a:hover { color: var(--accent); }

.footer__contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14.5px;
  align-items: flex-start;
}

.footer__contact svg { width: 18px; height: 18px; fill: var(--accent); flex-shrink: 0; margin-top: 4px; }
.footer__contact a { color: #a9c3d8; }
.footer__contact a:hover { color: var(--accent); }

.footer__socials { display: flex; gap: 12px; margin-top: 20px; }

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.08);
  color: #dbe7f1;
  transition: all .25s;
}

.social-btn:hover { background: var(--accent); color: #1f2937; transform: translateY(-3px); }
.social-btn svg { width: 20px; height: 20px; fill: currentColor; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13.5px;
}

.footer__bottom a { color: #a9c3d8; }
.footer__bottom a:hover { color: var(--accent); }

@media (max-width: 960px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  padding: 72px 0;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before, .page-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}

.page-hero::before { width: 300px; height: 300px; left: -100px; top: -120px; }
.page-hero::after { width: 220px; height: 220px; right: -60px; bottom: -90px; }

.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(30px, 4.5vw, 46px); margin-bottom: 12px; }
.page-hero p { color: #cfe0ee; font-size: 17px; max-width: 640px; margin: 0 auto; }

.breadcrumb { margin-top: 18px; font-size: 13.5px; color: #9db8cd; }
.breadcrumb a { color: #cfe0ee; }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }

.contact-info h2 { font-size: 26px; }
.contact-info > p { color: var(--text-light); }

.contact-cards { margin-top: 24px; display: grid; gap: 14px; }

.contact-card {
  display: flex;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: all .25s;
}

.contact-card:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }

.contact-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-card__icon svg { width: 22px; height: 22px; fill: currentColor; }

.contact-card h3 { font-size: 15.5px; margin-bottom: 4px; }
.contact-card p, .contact-card a { font-size: 14.5px; color: var(--text-light); word-break: break-word; }
.contact-card a:hover { color: var(--accent-dark); }

.contact-socials { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.contact-socials .social-btn { background: var(--bg-soft); color: var(--primary); }
.contact-socials .social-btn:hover { background: var(--accent); color: #1f2937; }
.contact-socials .social-btn svg { width: 22px; height: 22px; }

.contact-form-wrap {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.contact-form-wrap h2 { font-size: 24px; margin-bottom: 6px; }
.contact-form-wrap > p { color: var(--text-light); font-size: 15px; margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--primary-dark); margin-bottom: 6px; }
.form-group label span { color: #ef4444; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: #fafbfc;
  transition: all .2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(23, 90, 138, .12);
}

.form-group textarea { min-height: 130px; resize: vertical; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.form-note { font-size: 13px; color: var(--text-light); margin-top: 14px; }
.form-note a { color: var(--primary-light); }

.form-success {
  display: none;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 14.5px;
  margin-bottom: 18px;
}

.form-success.is-visible { display: block; }

@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- Product detail rows ---------- */
.product-rows { display: grid; gap: 40px; }

.product-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.product-row:nth-child(even) .product-row__media { order: 2; }

.product-row__media { position: relative; aspect-ratio: 4/3; overflow: hidden; min-height: 280px; }
.product-row__media img { width: 100%; height: 100%; object-fit: cover; }

.product-row__body { padding: 40px; }
.product-row__body .kicker { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 10px; }
.product-row__body h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 12px; }
.product-row__body p { color: var(--text-light); }

.product-row__list { margin: 18px 0 24px; display: grid; gap: 8px; }
.product-row__list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; }
.product-row__list svg { width: 18px; height: 18px; fill: #22c55e; flex-shrink: 0; margin-top: 4px; }

@media (max-width: 900px) {
  .product-row { grid-template-columns: 1fr; }
  .product-row:nth-child(even) .product-row__media { order: 0; }
  .product-row__body { padding: 28px; }
}

/* ---------- Table (specs) ---------- */
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.spec-table th, .spec-table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.spec-table th { background: var(--primary); color: #fff; font-weight: 600; font-size: 14px; letter-spacing: .4px; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:hover td { background: var(--bg-soft); }

/* ---------- Timeline ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 3px; background: linear-gradient(var(--primary), var(--accent)); border-radius: 3px; }

.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
}

.timeline-item h3 { font-size: 18px; margin-bottom: 4px; }
.timeline-item .year { display: inline-block; font-size: 13px; font-weight: 700; color: var(--accent-dark); margin-bottom: 6px; }
.timeline-item p { color: var(--text-light); font-size: 15px; margin: 0; }

/* ---------- Certificates ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }

.cert-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all .3s;
}

.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

.cert-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1f2937;
  margin: 0 auto 16px;
}

.cert-card__icon svg { width: 26px; height: 26px; fill: currentColor; }
.cert-card h3 { font-size: 16px; margin-bottom: 6px; }
.cert-card p { color: var(--text-light); font-size: 13.5px; margin: 0; }

/* ---------- Equipment ---------- */
.equip-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }

.equip-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  border-left: 5px solid var(--primary);
  transition: all .3s;
}

.equip-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.equip-card__num { font-size: 34px; font-weight: 800; color: var(--accent); line-height: 1.1; }
.equip-card h3 { font-size: 17px; margin: 8px 0 6px; }
.equip-card p { color: var(--text-light); font-size: 14px; margin: 0; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .25s;
}

.faq-item.is-open { box-shadow: var(--shadow-md); }

.faq-item__q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.faq-item__q svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: none;
  stroke: var(--primary);
  stroke-width: 2.4;
  transition: transform .3s;
}

.faq-item.is-open .faq-item__q svg { transform: rotate(45deg); }

.faq-item__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item__a p { padding: 0 24px 20px; color: var(--text-light); font-size: 15px; margin: 0; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 900;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .45);
  transition: all .3s;
}

.whatsapp-float:hover { transform: scale(1.1); color: #fff; background: #1eb959; }
.whatsapp-float svg { width: 30px; height: 30px; fill: currentColor; }

.whatsapp-float::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: waPulse 2s infinite;
}

@keyframes waPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: #fff;
  padding: 10px 18px;
  z-index: 2000;
}

.skip-link:focus { left: 0; }