/* =========================================================
   YC Infrared Optics — Visual System v2
   Precision optical manufacturing aesthetic
   ========================================================= */

:root {
  --ink: #071820;
  --ink-soft: #14303a;
  --teal: #0E6B7A;
  --teal-dark: #0a5561;
  --teal-light: #1a93a6;
  --accent: #D4A84B;
  --accent-soft: #e8c574;
  --paper: #F3F6F7;
  --paper-2: #E8EEF0;
  --line: #D5DEE2;
  --white: #ffffff;
  --muted: #5c717a;
  --shadow: 0 18px 50px rgba(7, 24, 32, 0.12);
  --shadow-sm: 0 8px 24px rgba(7, 24, 32, 0.08);
  --radius: 2px;
  --radius-lg: 12px;
  --header-h: 78px;
  --font-display: "Microsoft YaHei", "微软雅黑", sans-serif;
  --font-body: "Microsoft YaHei", "微软雅黑", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

body.site-body {
  font-family: var(--font-body);
  font-size: 16.5px;
  background:
    radial-gradient(ellipse 80% 40% at 100% 0%, rgba(14, 107, 122, 0.05), transparent 50%),
    var(--white);
  color: var(--ink);
}

h1, h2, h3, h4, h5, h6,
.btn,
.section-eyebrow,
.brand-name,
.hero-brand,
.hero-headline,
.strength-value,
.strength-label,
.product-card-cat,
.news-card-meta,
.card-link,
.nav-link {
  font-family: var(--font-display);
}

.container {
  width: min(1200px, calc(100% - 2.75rem));
}

/* ---- Scroll progress ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  z-index: 2000;
  background: linear-gradient(90deg, var(--teal), var(--accent));
  box-shadow: 0 0 12px rgba(212, 168, 75, 0.45);
  pointer-events: none;
  transition: width 0.05s linear;
}

/* ---- Header polish ---- */
:root {
  --header-h: 84px;
}

.site-header {
  height: var(--header-h);
  background: rgba(7, 24, 32, 0.92);
  backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 24, 32, 0.98);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.header-inner {
  height: var(--header-h);
  gap: 1.75rem;
}

.brand {
  gap: 0.85rem;
  min-width: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  line-height: 1.1;
}

.brand-tag {
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
}

.brand-name {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--accent) 0 22%, transparent 23%),
    radial-gradient(circle at 50% 50%, transparent 38%, rgba(255,255,255,0.35) 39% 40%, transparent 41%),
    radial-gradient(circle at 50% 50%, transparent 55%, rgba(14, 107, 122, 0.9) 56% 58%, transparent 59%),
    linear-gradient(135deg, #0E6B7A, #071820);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.15);
  flex-shrink: 0;
  border: none;
}

.brand-mark::before,
.brand-mark::after {
  display: none;
}

.nav {
  flex: 1;
  justify-content: center;
  gap: 0.25rem;
  min-width: 0;
}

.nav-list {
  gap: 0.35rem;
  flex-wrap: nowrap;
}

.nav-list > li {
  flex-shrink: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.05rem !important;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 1.05rem;
  right: 1.05rem;
  bottom: 0.35rem;
  width: auto;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.28s var(--ease);
  border-radius: 2px;
}

.nav-link:hover,
.nav-link.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
  width: auto;
}

.nav-caret {
  margin-left: 0.1rem;
  opacity: 0.65;
  transition: transform 0.2s ease;
}

.has-dropdown:hover > .nav-link .nav-caret,
.has-dropdown.is-open > .nav-link .nav-caret {
  transform: rotate(180deg);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  flex-shrink: 0;
}

.header-phone {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.header-phone:hover {
  color: var(--accent);
  border-bottom-color: rgba(212, 168, 75, 0.5);
}

.header-cta .btn {
  padding: 0.75rem 1.45rem;
  font-size: 0.88rem;
  white-space: nowrap;
}

.dropdown {
  top: calc(100% + 0.55rem);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0d222b;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  padding: 0.45rem;
  min-width: 220px;
}

.dropdown a {
  border-radius: 8px;
  padding: 0.72rem 0.95rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
}

.dropdown a:hover {
  background: rgba(14, 107, 122, 0.35);
  color: #fff;
}

@media (max-width: 1200px) {
  .header-phone {
    display: none;
  }

  .nav-link {
    padding: 0.65rem 0.85rem !important;
    font-size: 0.9rem;
  }

  .nav-link::after {
    left: 0.85rem;
    right: 0.85rem;
  }
}

@media (max-width: 1024px) {
  .nav-list {
    gap: 0.15rem;
  }

  .nav-link {
    padding: 0.6rem 0.7rem !important;
    font-size: 0.86rem;
  }
}

.btn {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.9rem 1.7rem;
  box-shadow: none;
}

.btn-primary {
  background: linear-gradient(135deg, #e0b45a, #D4A84B 45%, #c4953a);
  border-color: transparent;
  color: #071820;
  box-shadow: 0 8px 24px rgba(212, 168, 75, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ecd07a, #e0b45a);
  filter: brightness(1.05);
  color: #071820;
  box-shadow: 0 12px 28px rgba(212, 168, 75, 0.4);
}

.btn-outline {
  border-width: 1.5px;
  border-color: rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}

.btn-teal {
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(14, 107, 122, 0.25);
}

.btn-ghost {
  border-radius: 999px;
}

.mobile-cta {
  display: none;
  padding: 1rem 1.25rem 1.5rem;
}

/* ---- Hero v2 ---- */
.hero {
  min-height: calc(100svh - var(--header-h));
}

.hero-slide {
  isolation: isolate;
}

.hero-fallback {
  background:
    radial-gradient(circle at 72% 38%, rgba(212, 168, 75, 0.18), transparent 28%),
    radial-gradient(circle at 30% 70%, rgba(14, 107, 122, 0.45), transparent 40%),
    radial-gradient(ellipse 70% 50% at 60% 40%, rgba(26, 147, 166, 0.25), transparent 55%),
    linear-gradient(145deg, #041016 0%, #0B1F28 42%, #0a3d48 100%);
}

.hero-fallback::before,
.hero-fallback::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.hero-fallback::before {
  width: min(52vw, 520px);
  height: min(52vw, 520px);
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  box-shadow:
    inset 0 0 0 50px rgba(14, 107, 122, 0.05),
    inset 0 0 0 100px rgba(212, 168, 75, 0.04),
    0 0 80px rgba(14, 107, 122, 0.2);
  animation: opticPulse 8s ease-in-out infinite;
}

.hero-fallback::after {
  width: min(28vw, 280px);
  height: min(28vw, 280px);
  right: calc(8% + 120px);
  top: 50%;
  transform: translateY(-50%);
  border-color: rgba(212, 168, 75, 0.35);
}

@keyframes opticPulse {
  0%, 100% { transform: translateY(-50%) scale(1); opacity: 1; }
  50% { transform: translateY(-50%) scale(1.04); opacity: 0.85; }
}

.hero-overlay {
  background:
    linear-gradient(105deg, rgba(4, 16, 22, 0.92) 0%, rgba(7, 24, 32, 0.72) 42%, rgba(7, 24, 32, 0.28) 100%),
    linear-gradient(0deg, rgba(4, 16, 22, 0.45), transparent 35%);
}

.hero-content {
  max-width: 680px;
  padding: 5.5rem 0 6rem;
  animation: heroIn 0.9s var(--ease) both;
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

.hero-brand {
  font-size: clamp(3rem, 7vw, 4.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 1.15rem;
}

.hero-brand span {
  background: linear-gradient(120deg, var(--accent), #f0d08a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-headline {
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 600;
  max-width: 18em;
  color: rgba(255, 255, 255, 0.95);
}

.hero-lead {
  font-size: 1.08rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  max-width: 36em;
}

.hero-actions .btn {
  min-width: 168px;
}

.hero-dots {
  bottom: 2rem;
  gap: 0.55rem;
}

.hero-dots button {
  width: 28px;
  height: 4px;
  border-radius: 4px;
  background: rgba(255,255,255,0.28);
}

.hero-dots button.is-active {
  background: var(--accent);
  transform: none;
  width: 40px;
}

/* ---- Strengths ---- */
.strengths {
  background: linear-gradient(180deg, #fff 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
  margin-top: -1px;
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.strength-item {
  padding: 2.4rem 1.4rem;
  position: relative;
  transition: background 0.25s ease;
}

.strength-item:hover {
  background: rgba(14, 107, 122, 0.04);
}

.strength-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 22%;
  bottom: 22%;
  width: 1px;
  background: var(--line);
}

.strength-value {
  font-size: clamp(1.85rem, 3.2vw, 2.45rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.strength-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

/* ---- Sections ---- */
.section {
  padding: 5.25rem 0;
  position: relative;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(243, 246, 247, 0.95), rgba(232, 238, 240, 0.9));
}

.section-eyebrow {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(14, 107, 122, 0.25);
  border-radius: 999px;
  background: rgba(14, 107, 122, 0.06);
  margin-bottom: 0.9rem;
}

.section-head h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.55rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.section-head p {
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---- Category chips ---- */
.cat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.cat-chip {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: var(--ink);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.cat-chip:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 107, 122, 0.35);
  box-shadow: var(--shadow);
  color: var(--ink);
}

.cat-chip-icon {
  aspect-ratio: 16 / 10;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.cat-chip-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
  transition: transform 0.5s var(--ease);
}

.cat-chip:hover .cat-chip-icon img {
  transform: scale(1.08);
}

.cat-chip-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7,24,32,0.55));
}

.cat-chip > span {
  padding: 1rem 1.1rem 1.15rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

/* ---- About ---- */
.about-grid {
  gap: 4rem;
}

.about-media {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  aspect-ratio: 5 / 4;
}

.about-media::before {
  content: "";
  position: absolute;
  inset: -14px -14px auto auto;
  width: 42%;
  height: 42%;
  border: 1px solid rgba(14, 107, 122, 0.35);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-media::after {
  height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
}

.about-body h2 {
  letter-spacing: -0.02em;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0 1.75rem;
}

.about-highlights li {
  list-style: none;
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.about-highlights li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---- Process strip ---- */
.process-section {
  background: var(--ink);
  color: var(--white);
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(14, 107, 122, 0.35), transparent 55%),
    radial-gradient(ellipse 40% 60% at 100% 0%, rgba(212, 168, 75, 0.12), transparent 50%);
  pointer-events: none;
}

.process-section .container {
  position: relative;
}

.process-section .section-eyebrow {
  color: var(--accent);
  border-color: rgba(212, 168, 75, 0.35);
  background: rgba(212, 168, 75, 0.08);
}

.process-section h2 {
  color: var(--white);
  margin-bottom: 2.5rem;
  max-width: 14em;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.process-card {
  padding: 1.5rem 1.35rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(6px);
  transition: transform 0.3s var(--ease), border-color 0.3s ease, background 0.3s ease;
}

.process-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 168, 75, 0.45);
  background: rgba(255,255,255,0.06);
}

.process-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.process-card h3 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
}

.process-card p {
  color: rgba(255,255,255,0.65);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- Cards ---- */
.product-grid,
.news-grid {
  gap: 1.35rem;
}

.product-card,
.app-card,
.news-card {
  border: 1px solid rgba(213, 222, 226, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 0 rgba(7, 24, 32, 0.02);
  overflow: hidden;
  background: var(--white);
}

.product-card:hover,
.app-card:hover,
.news-card:hover {
  border-color: rgba(14, 107, 122, 0.4);
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}

.product-card-media,
.news-card-media,
.app-card-media {
  position: relative;
}

.product-card-media::after,
.news-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7,24,32,0.18));
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.product-card:hover .product-card-media::after,
.news-card:hover .news-card-media::after {
  opacity: 1;
}

.product-card-body,
.news-card-body,
.app-card-body {
  padding: 1.25rem 1.3rem 1.45rem;
}

.product-card h3,
.app-card h3,
.news-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.25s ease, color 0.25s ease;
}

.product-card:hover .card-link,
.app-card:hover .card-link,
.news-card:hover .card-link {
  gap: 0.55rem;
  color: var(--teal-dark);
}

.app-card {
  border-radius: var(--radius-lg);
  min-height: 200px;
}

.app-card-media {
  width: 44%;
}

/* ---- Page hero ---- */
.page-hero {
  padding: 4.25rem 0 3.5rem;
  background:
    radial-gradient(ellipse 55% 90% at 100% 0%, rgba(14, 107, 122, 0.4), transparent 55%),
    radial-gradient(ellipse 40% 70% at 0% 100%, rgba(212, 168, 75, 0.1), transparent 50%),
    linear-gradient(145deg, #041016, #0B1F28 55%, #0a3d48);
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: inset 0 0 0 40px rgba(14,107,122,0.06);
  pointer-events: none;
}

.page-hero h1 {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: clamp(2.1rem, 4.5vw, 3rem);
}

.breadcrumb {
  margin-bottom: 1.15rem;
}

/* ---- Filters / catalog ---- */
.filters {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  background: var(--white);
  border: 1px solid var(--line);
}

.filter-list a {
  border-radius: 6px;
  padding: 0.6rem 0.55rem;
  border-bottom: none;
  transition: background 0.2s ease;
}

.filter-list a:hover,
.filter-list a.is-active {
  background: rgba(14, 107, 122, 0.08);
}

.filter-search input,
.contact-form input,
.contact-form select,
.contact-form textarea,
.filter-search input {
  border-radius: 8px;
}

/* ---- Product detail ---- */
.gallery-main {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background:
    radial-gradient(circle at 50% 50%, rgba(14,107,122,0.06), transparent 60%),
    var(--paper);
}

.gallery-thumbs button {
  border-radius: 8px;
}

.specs-table {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.specs-table th {
  background: var(--paper);
  width: 38%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
}

.specs-table tr:nth-child(even) td {
  background: rgba(243, 246, 247, 0.55);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ---- Contact ---- */
.contact-layout {
  gap: 3rem;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.contact-info-list li {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1rem 1.1rem;
  margin-bottom: 0.75rem;
}

.contact-info-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.25rem;
}

.map-embed {
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  min-height: 360px;
  background: var(--paper);
}

.map-embed iframe {
  width: 100%;
  height: 380px;
  border: 0;
  display: block;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fbfcfc;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(14, 107, 122, 0.12);
}

.contact-form label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
  display: block;
}

/* ---- CTA ---- */
.cta-band {
  padding: 5rem 0;
}

.cta-band::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
  pointer-events: none;
}

.cta-band h2 {
  font-weight: 800;
  letter-spacing: -0.025em;
}

/* ---- Footer ---- */
.site-footer {
  background: #041016;
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 0;
}

.footer-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 10% 0%, rgba(14, 107, 122, 0.28), transparent 55%),
    radial-gradient(ellipse 40% 50% at 90% 20%, rgba(212, 168, 75, 0.1), transparent 50%);
  pointer-events: none;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1.1fr;
  gap: 2.5rem;
  position: relative;
  padding-bottom: 3rem;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo-row .footer-logo,
.footer-logo-row .brand-logo {
  height: 36px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  background: #fff;
  border-radius: 6px;
  padding: 4px 6px;
}

.footer-brand .brand-name {
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
}

.footer-brand p {
  color: rgba(255,255,255,0.62);
  max-width: 34em;
  line-height: 1.7;
}

.footer-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.25rem;
}

.footer-pills span {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  background: rgba(255,255,255,0.03);
}

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.55rem;
}

.footer-col a {
  color: rgba(255,255,255,0.62);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-contact li {
  color: rgba(255,255,255,0.62);
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer-contact .with-icon {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.footer-contact .fi {
  opacity: 0.7;
  flex-shrink: 0;
}

.footer-bottom {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.25rem 0 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.45);
  font-size: 0.88rem;
}

/* legacy footer-grid still used? map to footer-top */
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1.1fr;
  gap: 2.5rem;
  position: relative;
  padding-bottom: 3rem;
}

/* ---- CS dock / back top ---- */
.cs-dock {
  gap: 0.65rem;
}

.cs-dock a {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(7, 24, 32, 0.28);
  transition: transform 0.25s var(--ease), box-shadow 0.25s ease;
}

.cs-dock a:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 14px 32px rgba(7, 24, 32, 0.35);
}

.back-top {
  position: fixed;
  right: 1.35rem;
  bottom: 6.5rem;
  z-index: 900;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, background 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-top:hover {
  background: var(--teal);
}

/* ---- Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---- Materials strip ---- */
.materials-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.materials-strip span {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
}

.materials-wrap {
  text-align: center;
  padding-top: 0.5rem;
}

.materials-wrap .section-eyebrow {
  margin-bottom: 1rem;
}

/* ---- Pagination ---- */
.pagination-wrap .pagination a,
.pagination-wrap .pagination span {
  border-radius: 8px;
  min-width: 2.25rem;
  height: 2.25rem;
}

.pagination-wrap .pagination .active,
.pagination-wrap .pagination [aria-current="page"] {
  background: var(--teal);
  border-color: var(--teal);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .cat-strip,
  .process-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .header-phone {
    display: none;
  }

  .page-hero::after {
    display: none;
  }
}

@media (max-width: 860px) {
  .strengths-grid {
    grid-template-columns: 1fr 1fr;
  }

  .strength-item:nth-child(2)::after {
    display: none;
  }

  .about-grid,
  .product-detail,
  .contact-layout,
  .catalog-layout,
  .app-card {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .app-card-media {
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .mobile-cta {
    display: block;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .hero-fallback::before,
  .hero-fallback::after {
    right: -10%;
    opacity: 0.55;
  }
}

@media (max-width: 560px) {
  .cat-strip,
  .product-grid,
  .strengths-grid,
  .footer-top,
  .footer-grid,
  .about-highlights {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding: 3.5rem 0 4.5rem;
  }

  .back-top {
    right: 1rem;
    bottom: 5.8rem;
  }

  .cs-dock {
    right: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero-content,
  .hero-fallback::before,
  .product-card,
  .cat-chip {
    animation: none !important;
    transition: none !important;
  }
}

.prose {
  font-size: 1.05rem;
  line-height: 1.8;
}
.prose p { margin-bottom: 1.15em; }
.article-cover {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.article-nav a {
  display: block;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.article-nav a:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
}
.article-nav .label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.35rem;
  font-weight: 700;
}
.alert {
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}
.alert-success {
  background: rgba(30, 122, 74, 0.1);
  border: 1px solid rgba(30, 122, 74, 0.25);
  color: #1e7a4a;
}
.alert-error {
  background: rgba(192, 57, 43, 0.08);
  border: 1px solid rgba(192, 57, 43, 0.22);
  color: #a93226;
}

.hp-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important;pointer-events:none!important;}