/* ===== Design Tokens ===== */
:root {
  --navy: #0f2942;
  --navy-deep: #0a1d30;
  --teal: #1f7a8c;
  --teal-dark: #14606f;
  --sand: #f5f2ec;
  --paper: #ffffff;
  --ink: #15202b;
  --muted: #5d6b78;
  --line: #e6e2da;
  --radius: 14px;
  --container: 1200px;
  --font-head: 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
body:not(.front-page) .section:first-of-type { padding-top: 140px; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.25rem; }

.eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  margin-bottom: 18px;
}
.eyebrow.dark { color: var(--teal); }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-lead { color: var(--muted); margin-top: 16px; font-size: 1.05rem; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 600; font-size: 0.95rem;
  padding: 14px 28px; border-radius: 999px; cursor: pointer;
  border: 1.5px solid transparent; transition: all 0.25s ease;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.55); }
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 22px 0;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 var(--line);
  padding: 14px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: auto; height: 36px; }
.brand-logo-dark { display: none; }
.scrolled .brand-logo-light { display: none; }
.scrolled .brand-logo-dark { display: inline; }
.brand-text {
  font-family: var(--font-head); font-weight: 800; font-size: 1.15rem;
  letter-spacing: 0.04em; color: #fff; display: flex; flex-direction: column; line-height: 1;
}
.brand-text small { font-size: 0.6rem; font-weight: 500; letter-spacing: 0.22em; opacity: 0.8; margin-top: 4px; }
.brand-text.light { color: #fff; }
.scrolled .brand-text { color: var(--ink); }

/* ─── Nav (body-level, desktop) ─── */
.nav {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 1280px; padding: 22px 32px;
  display: flex; justify-content: flex-end; align-items: center;
  z-index: 55; pointer-events: none;
}
.nav-list { display: flex; align-items: center; gap: 32px; margin: 0; padding: 0; pointer-events: auto; }
.scrolled ~ .nav { padding-top: 14px; padding-bottom: 14px; }

.nav-list li { list-style: none; }
.nav-list a {
  font-family: var(--font-head); font-weight: 600; font-size: 0.92rem;
  color: rgba(255,255,255,0.9); text-decoration: none; transition: color 0.2s ease;
}
.nav-list a:hover { color: #fff; }
.scrolled ~ .nav .nav-list a { color: var(--muted); }
.scrolled ~ .nav .nav-list a:hover { color: var(--ink); }
.nav-list .nav-cta {
  background: var(--teal); color: #fff !important; padding: 10px 22px; border-radius: 999px;
}
.nav-list .nav-cta:hover { background: var(--teal-dark); }

/* ─── Hamburger ─── */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: #fff; border-radius: 2px; transition: 0.3s ease; }
.scrolled .nav-toggle span { background: var(--ink); }

/* ─── Backdrop ─── */
.nav-backdrop {
  display: none; position: fixed; inset: 0; background: rgba(15,41,66,0.45);
  z-index: 45; opacity: 0; transition: opacity 0.3s ease;
}
.nav-backdrop.visible { display: block; opacity: 1; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(10,29,48,0.88) 0%, rgba(10,29,48,0.55) 45%, rgba(10,29,48,0.2) 100%);
}
.hero-content { position: relative; max-width: 720px; padding-top: 120px; padding-bottom: 60px; }
.hero h1 { margin-bottom: 22px; text-wrap: balance; }
.hero-sub { font-size: 1.12rem; color: rgba(255,255,255,0.85); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 48px; margin-top: 56px; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-head); font-size: 2rem; font-weight: 800; }
.hero-stats span { font-size: 0.85rem; color: rgba(255,255,255,0.7); letter-spacing: 0.04em; }

/* ===== Trust strip ===== */
.trust { background: var(--navy); }
.trust-inner {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 16px 48px;
  padding: 26px 24px; color: rgba(255,255,255,0.78);
  font-family: var(--font-head); font-weight: 600; font-size: 0.88rem; letter-spacing: 0.04em;
}

/* ===== Products ===== */
.products { background: var(--sand); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  background: var(--paper); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -24px rgba(15,41,66,0.35); }
.product-media { aspect-ratio: 1/1; background: var(--sand); overflow: hidden; display: block; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-media img { transform: scale(1.05); }
.product-pagination { grid-column: 1/-1; display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.product-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 12px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.9rem;
  color: var(--muted); background: var(--paper); border: 1px solid var(--line);
  border-radius: 8px; transition: all 0.2s ease;
}
.product-pagination .page-numbers.current { background: var(--navy); color: #fff; border-color: var(--navy); }
.product-pagination .page-numbers:hover:not(.current) { border-color: var(--navy); color: var(--navy); }
.product-body { padding: 22px; }
.product-body h3 { margin-bottom: 10px; }
.product-body p { color: var(--muted); font-size: 0.92rem; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tags li {
  font-size: 0.72rem; font-weight: 600; color: var(--teal-dark);
  background: rgba(31,122,140,0.1); padding: 4px 10px; border-radius: 999px;
  font-family: var(--font-head); letter-spacing: 0.03em;
}

/* ===== Single Product / Post ===== */
.breadcrumb { font-size: 0.85rem; margin-bottom: 32px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--navy); }
.breadcrumb-sep { margin: 0 8px; color: var(--line); }
.breadcrumb-current { color: var(--ink); font-weight: 600; }

.single-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.single-featured { border-radius: var(--radius); overflow: hidden; background: var(--sand); }
.single-featured img { width: 100%; height: auto; display: block; }
.single-thumbs { display: flex; gap: 12px; margin-top: 16px; }
.single-thumb { width: 80px; height: 80px; border-radius: 8px; overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: border-color 0.2s; }
.single-thumb:hover, .single-thumb.active { border-color: var(--teal); }
.single-thumb img { width: 100%; height: 100%; object-fit: cover; }

.single-info { display: flex; flex-direction: column; gap: 16px; }
.single-title { font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin: 0; }
.single-tags { margin-top: 0; }
.single-content { color: var(--muted); line-height: 1.7; font-size: 1rem; }
.single-content p { margin-bottom: 1em; }
.single-content ul, .single-content ol { padding-left: 1.2em; margin-bottom: 1em; }
.single-content li { list-style: disc; }

.single-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.btn-ghost-dark { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost-dark:hover { background: var(--sand); border-color: var(--muted); }

.related-section { margin-top: 96px; padding-top: 64px; border-top: 1px solid var(--line); }

@media (max-width: 768px) {
  .single-layout { grid-template-columns: 1fr; gap: 40px; }
  .single-cta { flex-direction: column; }
  .single-cta .btn { text-align: center; }
}

/* ===== News / Category List ===== */
.news-list { display: flex; flex-direction: column; gap: 32px; }
.news-card {
  display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: center;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: box-shadow 0.3s ease;
}
.news-card:hover { box-shadow: 0 12px 36px -16px rgba(15,41,66,0.2); }
.news-thumb { aspect-ratio: 4/3; overflow: hidden; display: block; background: var(--sand); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.04); }
.news-thumb-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, var(--sand), var(--line)); }
.news-body { padding: 24px 32px 24px 0; display: flex; flex-direction: column; gap: 10px; }
.news-meta { font-size: 0.82rem; color: var(--teal-dark); font-weight: 600; font-family: var(--font-head); letter-spacing: 0.03em; }
.news-body h3 { font-size: 1.2rem; margin: 0; }
.news-body h3 a { color: var(--ink); }
.news-body h3 a:hover { color: var(--teal); }
.news-body p { color: var(--muted); font-size: 0.92rem; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0; }
.news-readmore { font-family: var(--font-head); font-weight: 600; font-size: 0.88rem; color: var(--teal); margin-top: 4px; }
.news-readmore:hover { color: var(--teal-dark); }
.news-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; }
.news-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 12px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.9rem;
  color: var(--muted); background: var(--paper); border: 1px solid var(--line);
  border-radius: 8px; transition: all 0.2s ease;
}
.news-pagination .page-numbers.current { background: var(--navy); color: #fff; border-color: var(--navy); }
.news-pagination .page-numbers:hover:not(.current) { border-color: var(--navy); color: var(--navy); }
.empty-message { text-align: center; color: var(--muted); padding: 48px 0; font-size: 1.1rem; }

@media (max-width: 640px) {
  .news-card { grid-template-columns: 1fr; }
  .news-thumb { aspect-ratio: 16/9; }
  .news-body { padding: 0 24px 24px; }
}

/* ===== Page — Why Choose Us ===== */
.page-hero-badge { width: 120px; height: 120px; margin: 0 auto 24px; border-radius: 50%; overflow: hidden; background: var(--sand); }
.page-hero-badge img { width: 100%; height: 100%; object-fit: cover; }
.page-adv-grid { margin-top: 8px; }
.page-why .adv-card, .page-contact .adv-card {
  background: var(--paper); border-color: var(--line);
}
.page-why .adv-card:hover, .page-contact .adv-card:hover { background: var(--sand); }
.page-why .adv-card h3, .page-contact .adv-card h3 { color: var(--ink); }
.page-why .adv-card p, .page-contact .adv-card p { color: var(--muted); }
.page-why .adv-num, .page-contact .adv-num { color: var(--teal); }
.page-content { max-width: 780px; margin: 64px auto 0; color: var(--muted); line-height: 1.75; font-size: 1.02rem; }
.page-content p { margin-bottom: 1.2em; }
.page-content h2, .page-content h3 { color: var(--ink); margin: 1.4em 0 0.6em; }
.page-content ul, .page-content ol { padding-left: 1.4em; margin-bottom: 1.2em; }

/* ===== Page — About Us ===== */
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 8px; }
.about-intro-text .about-lead { font-size: 1.1rem; color: var(--ink); line-height: 1.65; margin-bottom: 1em; }
.about-intro-text p { color: var(--muted); margin-bottom: 1em; line-height: 1.7; }
.about-intro-media { border-radius: var(--radius); overflow: hidden; }
.about-intro-media img { width: 100%; height: auto; display: block; object-fit: cover; }

.about-philosophy { margin-top: 64px; }
.about-philosophy blockquote {
  max-width: 780px; margin: 0 auto; padding: 48px 56px;
  background: var(--navy); border-radius: var(--radius); text-align: center;
}
.about-philosophy blockquote p {
  font-family: var(--font-head); font-size: 1.25rem; font-weight: 600;
  color: rgba(255,255,255,0.92); line-height: 1.65; font-style: italic; margin: 0;
}

.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 8px; }
.strength-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 26px; transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.strength-card:hover { box-shadow: 0 12px 36px -12px rgba(15,41,66,0.15); transform: translateY(-4px); }
.strength-num { font-family: var(--font-head); font-weight: 800; font-size: 1.6rem; color: var(--teal); display: block; margin-bottom: 16px; }
.strength-card h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--ink); }
.strength-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; margin: 0; }

.about-markets { text-align: center; }
.markets-stats { display: flex; justify-content: center; gap: 64px; margin-top: 40px; }
.markets-stat { text-align: center; }
.markets-stat strong { display: block; font-family: var(--font-head); font-size: 2.4rem; font-weight: 800; color: var(--teal); }
.markets-stat span { font-size: 0.9rem; color: var(--muted); letter-spacing: 0.04em; }

@media (max-width: 768px) {
  .about-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-intro-media { order: -1; }
  .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .markets-stats { gap: 40px; flex-wrap: wrap; }
  .about-philosophy blockquote { padding: 36px 28px; }
}

@media (max-width: 520px) {
  .strength-grid { grid-template-columns: 1fr; }
}

.page-cta {
  max-width: 680px; margin: 80px auto 0; text-align: center;
  padding: 56px 48px; background: var(--navy); border-radius: var(--radius);
}
.page-cta h2 { color: #fff; margin-bottom: 12px; }
.page-cta p { color: rgba(255,255,255,0.75); margin-bottom: 28px; font-size: 1.05rem; }

@media (max-width: 640px) {
  .page-cta { padding: 40px 24px; }
}

/* ===== Page — Contact Us ===== */
.contact-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 8px; }
.contact-page-form h2, .contact-page-info h2 { font-size: 1.4rem; margin-bottom: 24px; }

.contact-form-page { display: flex; flex-direction: column; gap: 20px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form-page .field { display: flex; flex-direction: column; gap: 6px; }
.contact-form-page label { font-family: var(--font-head); font-weight: 600; font-size: 0.85rem; color: var(--ink); letter-spacing: 0.02em; }
.contact-form-page input,
.contact-form-page select,
.contact-form-page textarea {
  font-family: var(--font-body); font-size: 0.95rem; padding: 12px 16px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--paper);
  color: var(--ink); transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none; width: 100%; box-sizing: border-box;
}
.contact-form-page input:focus,
.contact-form-page select:focus,
.contact-form-page textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(31,122,140,0.1); }
.contact-form-page select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7b8d' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.contact-form-page textarea { resize: vertical; min-height: 120px; }
.contact-form-page .btn { margin-top: 4px; padding: 14px 24px; font-size: 1rem; }
.contact-form-page .form-note { margin-top: 8px; font-size: 0.9rem; text-align: center; }

.contact-card-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-card-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-card-icon {
  flex-shrink: 0; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  background: rgba(31,122,140,0.08); border-radius: 12px; color: var(--teal);
}
.contact-card-item h4 { font-size: 0.88rem; margin-bottom: 2px; color: var(--muted); font-weight: 600; }
.contact-card-item p { font-size: 1rem; font-weight: 600; color: var(--ink); margin: 0; }
.contact-card-item a { color: var(--teal); }
.contact-card-item a:hover { color: var(--teal-dark); }

.contact-hours { padding-top: 24px; border-top: 1px solid var(--line); }
.contact-hours h4 { font-size: 1rem; margin-bottom: 6px; }
.contact-hours p { color: var(--muted); margin: 0; }
.contact-hours-note { font-size: 0.88rem; margin-top: 6px !important; color: var(--teal) !important; font-style: italic; }

.section-inner { margin-top: 96px; padding-top: 80px; border-top: 1px solid var(--line); }

.range-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 8px; }
.range-item { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); transition: box-shadow 0.2s ease; }
.range-item:hover { box-shadow: 0 8px 24px -12px rgba(15,41,66,0.12); }
.range-item h4 { font-size: 1.05rem; margin-bottom: 8px; color: var(--ink); }
.range-item p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; margin: 0; }

@media (max-width: 768px) {
  .contact-page-grid { grid-template-columns: 1fr; gap: 48px; }
  .field-row { grid-template-columns: 1fr; }
  .range-grid { grid-template-columns: 1fr; }
}

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-media img { border-radius: var(--radius); width: 100%; object-fit: cover; }
.about-text h2 { margin: 8px 0 20px; }
.about-text p { color: var(--muted); margin-bottom: 16px; }
.about-text blockquote {
  margin-top: 24px; padding-left: 20px; border-left: 3px solid var(--teal);
  font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; color: var(--ink); font-style: italic;
}

/* ===== Advantages ===== */
.advantages { background: var(--navy-deep); color: #fff; }
.advantages .eyebrow.dark { color: #5cc3d6; }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 32px 26px; transition: 0.3s ease;
}
.adv-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.adv-num { font-family: var(--font-head); font-weight: 800; font-size: 1.6rem; color: #5cc3d6; }
.adv-card h3 { margin: 16px 0 10px; }
.adv-card p { color: rgba(255,255,255,0.7); font-size: 0.92rem; }

/* ===== CTA ===== */
.cta { position: relative; padding: 120px 0; color: #fff; text-align: center; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cta-overlay { position: absolute; inset: 0; background: rgba(10,29,48,0.78); }
.cta-content { position: relative; max-width: 720px; margin: 0 auto; }
.cta-content h2 { margin: 8px 0 18px; text-wrap: balance; }
.cta-content p { color: rgba(255,255,255,0.85); margin-bottom: 30px; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-grid h2 { margin: 8px 0 16px; }
.contact-list { margin-top: 28px; }
.contact-list li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.contact-list span { color: var(--muted); font-size: 0.9rem; }
.contact-list strong { font-family: var(--font-head); }
.contact-list a:hover { color: var(--teal); }

.contact-form { background: var(--sand); padding: 32px; border-radius: var(--radius); }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-head); font-weight: 600; font-size: 0.85rem; margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; padding: 13px 16px; border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--font-body); font-size: 0.95rem; background: #fff; resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(31,122,140,0.15);
}
.form-note { margin-top: 14px; font-size: 0.9rem; color: var(--teal-dark); min-height: 1.2em; }

/* ===== Footer ===== */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,0.75); padding-top: 64px; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand p { margin-top: 16px; max-width: 320px; font-size: 0.92rem; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
.footer-col a, .footer-col span { display: block; font-size: 0.9rem; margin-bottom: 10px; transition: color 0.2s ease; }
.footer-col a:hover { color: #5cc3d6; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 24px; text-align: center; font-size: 0.85rem; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .product-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 72px 0; }
  .nav {
    position: fixed; inset: 0 0 0 auto; width: 78%; max-width: 320px;
    background: var(--paper); z-index: 55; overflow-y: auto;
    left: auto; transform: translateX(100%); transition: transform 0.35s ease;
    display: block; padding: 0; pointer-events: auto;
    box-shadow: -20px 0 60px -20px rgba(0,0,0,0.3);
  }
  .nav.open { transform: translateX(0); }
  .nav-list {
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 100px 32px 40px;
  }
  .nav-list li { border-bottom: 1px solid var(--line); }
  .nav-list a {
    display: block; padding: 14px 0; font-size: 1.05rem; color: var(--ink);
  }
  .nav-list a:hover { color: var(--teal); }
  .scrolled ~ .nav .nav-list a { color: var(--ink); }
  .nav-list .nav-cta {
    display: inline-block; margin-top: 20px; text-align: center; color: #fff !important;
  }
  .nav-toggle { display: flex; z-index: 60; }
  .hero-stats { gap: 28px; }
  .hero-stats strong { font-size: 1.6rem; }
}
@media (max-width: 520px) {
  .product-grid, .adv-grid, .footer-inner { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
}