/* ============================================================
   EBOX — styles
   Design system: ink navy + warm amber, light paper base,
   "box" corner-bracket signature motif.
   ============================================================ */

:root {
  --navy-900: #102A43;
  --navy-800: #14334F;
  --navy-700: #1C3A5E;
  --navy-100: #E9EFF6;
  --navy-50:  #F4F7FB;

  --amber-500: #E8A33D;
  --amber-600: #C9852B;
  --amber-100: #F9EEDC;

  --paper: #F7F8FA;
  --white: #FFFFFF;

  --ink: #1B2735;
  --slate: #5C6B7A;
  --slate-light: #C7D2DE;

  --line: #E4E9F0;

  --font: "Manrope", "Segoe UI", system-ui, -apple-system, "Microsoft YaHei", sans-serif;

  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(16, 42, 67, 0.06), 0 4px 14px rgba(16, 42, 67, 0.05);
  --shadow-md: 0 6px 24px rgba(16, 42, 67, 0.10);
  --shadow-lg: 0 16px 44px rgba(16, 42, 67, 0.16);
}

/* ---------- reset & base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  line-height: 1.2;
  font-weight: 800;
  color: var(--navy-900);
  letter-spacing: -0.015em;
}

p { margin: 0 0 1em; }

button { font-family: inherit; cursor: pointer; }

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ---------- signature: box corner bracket ---------- */

.corner-frame { position: relative; }

.corner-frame::before,
.corner-frame::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  z-index: 2;
  pointer-events: none;
}

.corner-frame::before {
  top: -12px; left: -12px;
  border-top: 3px solid var(--amber-500);
  border-left: 3px solid var(--amber-500);
}

.corner-frame::after {
  bottom: -12px; right: -12px;
  border-bottom: 3px solid var(--amber-500);
  border-right: 3px solid var(--amber-500);
}

.corner-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.glyph-box { width: 18px; height: 18px; flex: 0 0 18px; color: var(--amber-500); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  border: 2px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-amber { background: var(--amber-500); color: var(--navy-900); }
.btn-amber:hover { background: #edaF48; box-shadow: 0 8px 20px rgba(232, 163, 61, 0.35); }

.btn-outline { border-color: var(--navy-900); color: var(--navy-900); }
.btn-outline:hover { background: var(--navy-900); color: var(--white); }

.btn-outline-light { border-color: rgba(255, 255, 255, 0.65); color: var(--white); }
.btn-outline-light:hover { background: var(--white); color: var(--navy-900); }

.btn-sm { padding: 0.6rem 1.2rem; font-size: 0.85rem; }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--navy-900);
}

.brand-mark { width: 40px; height: 40px; }

.brand-name {
  font-size: 2.55rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav > a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  position: relative;
  padding: 0.25rem 0;
}

.site-nav > a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--amber-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.site-nav > a:hover::after,
.site-nav > a.active::after { transform: scaleX(1); }

.site-nav > a.active { color: var(--navy-900); }

.nav-cta { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--navy-900);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */

.hero {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(232, 163, 61, 0.16), transparent 60%),
    radial-gradient(800px 500px at 0% 110%, rgba(28, 58, 94, 0.55), transparent 60%),
    var(--navy-900);
  color: var(--white);
  padding: 5rem 0 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-bottom: 4.5rem;
}

.hero-copy .eyebrow span { color: var(--amber-500); }

.hero h1 {
  color: var(--white);
  font-size: clamp(2.6rem, 5vw, 4.1rem);
  line-height: 1.08;
  margin: 0.9rem 0 1.1rem;
}

.hero h1 .hl { color: var(--amber-500); }

.hero-lead {
  color: var(--slate-light);
  font-size: 1.1rem;
  max-width: 34rem;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero-visual {
  aspect-ratio: 16 / 10;
  min-width: 0;
}

.hero-visual img { border-radius: var(--radius); }

.hero-strip {
  position: relative;
  z-index: 3;
  background: var(--white);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 2.25rem 0;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.08);
}

.hero-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.hero-strip-inner > div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-left: 3px solid var(--amber-500);
  padding-left: 1.1rem;
}

.hero-strip-inner strong {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--navy-900);
  line-height: 1.1;
}

.hero-strip-inner span { font-size: 0.85rem; color: var(--slate); }

/* ---------- sections ---------- */

.section { padding: 4.75rem 0; }

.section-tint { background: var(--paper); }

.section-navy {
  /* Option A: light tint instead of a second full dark band -
     keeps a single dark accent (hero + CTA card + footer) */
  background:
    radial-gradient(900px 400px at 90% -20%, rgba(232, 163, 61, 0.18), transparent 60%),
    var(--navy-50);
  color: var(--ink);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0.5rem 0 0; }

.section-note {
  max-width: 33rem;
  color: var(--slate);
  margin: 0;
}

.section-head-light h2 { color: var(--ink); }
.section-head-light .section-note { color: var(--slate); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-600);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--navy-900);
  white-space: nowrap;
}

.text-link svg { width: 18px; height: 18px; transition: transform 0.18s ease; }
.text-link:hover svg { transform: translateX(4px); }

/* ---------- card grids & product cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 163, 61, 0.55);
}

.product-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--navy-50);
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.product-card:hover .product-card-media img { transform: scale(1.06); }

.product-card-media::before,
.product-card-media::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.product-card-media::before {
  top: 12px; left: 12px;
  border-top: 3px solid var(--amber-500);
  border-left: 3px solid var(--amber-500);
}

.product-card-media::after {
  bottom: 12px; right: 12px;
  border-bottom: 3px solid var(--amber-500);
  border-right: 3px solid var(--amber-500);
}

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

.product-card-body { padding: 1.3rem 1.35rem 1.45rem; display: flex; flex-direction: column; flex: 1; }

.product-card-cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-600);
  margin-bottom: 0.4rem;
}

.product-card h3 { font-size: 1.08rem; margin-bottom: 0.35rem; }

.product-card p {
  font-size: 0.9rem;
  color: var(--slate);
  margin: 0 0 1.1rem;
}

.product-card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy-900);
}

.product-card-link svg { width: 17px; height: 17px; transition: transform 0.18s ease; }
.product-card:hover .product-card-link svg { transform: translateX(4px); }

/* ---------- split ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.split-media { aspect-ratio: 4 / 3; min-width: 0; }

.split-copy h2 { margin: 0.5rem 0 1rem; }

.split-copy p { color: var(--slate); font-size: 1.02rem; }

.split-copy .btn { margin-top: 0.6rem; }

.split-reverse .split-media { order: 2; }
.split-reverse .split-copy { order: 1; }

/* ---------- values ---------- */

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.value-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

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

.value-card-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--amber-100);
  margin-bottom: 1.1rem;
}

.value-card-icon .glyph-box { width: 24px; height: 24px; }

.value-card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.value-card p { color: var(--slate); font-size: 0.92rem; margin: 0; }


/* ---------- page head & breadcrumbs ---------- */

.page-head {
  /* dark navy opener matching the home hero */
  background:
    radial-gradient(700px 300px at 90% -30%, rgba(232, 163, 61, 0.16), transparent 60%),
    var(--navy-900);
  padding: 3.2rem 0 2.6rem;
}

.page-head h1 { color: var(--white); font-size: clamp(2.1rem, 4vw, 3rem); margin: 0.9rem 0 0.6rem; }

.page-head p { color: var(--slate-light); max-width: 42rem; font-size: 1.05rem; margin: 0; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.crumbs a { color: var(--navy-100); }
.crumbs a:hover { color: var(--amber-500); }

.crumb-sep { color: var(--slate-light); opacity: 0.7; }
.crumb-current { color: var(--slate-light); }

/* ---------- product filter ---------- */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.25rem;
}

.chip {
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all 0.18s ease;
}

.chip:hover { border-color: var(--amber-500); color: var(--navy-900); }

.chip-active {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
}

.chip-active:hover { color: var(--white); }

/* ---------- product detail ---------- */

.section-top { padding-top: 3rem; }

.detail-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.gallery-main { aspect-ratio: 4 / 3; }

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.thumb {
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
  aspect-ratio: 4 / 3;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.thumb img { width: 100%; height: 100%; object-fit: cover; }

.thumb:hover { transform: translateY(-2px); }
.thumb-active { border-color: var(--amber-500); }

.detail-cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--amber-600);
  background: var(--amber-100);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.detail-info h1 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }

.detail-tagline {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-700);
  margin-bottom: 0.7rem;
}

.detail-summary { color: var(--slate); font-size: 1.02rem; }

.feature-list {
  list-style: none;
  margin: 1.6rem 0 1.9rem;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 1.4rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.93rem;
  color: var(--ink);
}

.feature-list .glyph-box { width: 17px; height: 17px; flex: 0 0 17px; margin-top: 3px; }

/* detail narrative blocks */

.detail-description {
  max-width: 760px;
  margin-bottom: 3rem;
}

.detail-description p {
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 1.1rem;
}

.detail-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  padding: 2.25rem 0;
  border-top: 1px solid var(--line);
}

.detail-block-reverse .detail-block-media { order: 2; }
.detail-block-reverse .detail-block-copy { order: 1; }

.detail-block-media { aspect-ratio: 4 / 3; min-width: 0; }

.detail-block-copy h3 { font-size: 1.35rem; }
.detail-block-copy p { color: var(--slate); font-size: 1.02rem; }

.spec-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 2.1rem;
  margin-top: 1.25rem;
}

.spec-block h3 { margin-bottom: 1.1rem; }

.spec-table { width: 100%; border-collapse: collapse; }

.spec-table th {
  text-align: left;
  width: 38%;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--slate);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.spec-table td {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.95rem;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td { border-bottom: none; }

/* ---------- contact ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-cards { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem 1.8rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

a.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(232, 163, 61, 0.55); }

.contact-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--amber-100);
  margin-bottom: 1rem;
}

.contact-card h3 { font-size: 1.02rem; margin-bottom: 0.35rem; }

.contact-card p { color: var(--ink); font-size: 0.98rem; margin-bottom: 0.3rem; line-height: 1.55; }

.contact-card-note { font-size: 0.85rem; color: var(--slate); }

.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.4rem 2.5rem;
  box-shadow: var(--shadow-sm);
}

.contact-form-wrap h2 { margin-bottom: 0.4rem; }

.form-intro { color: var(--slate); font-size: 0.95rem; margin-bottom: 1.8rem; }
.form-intro a { color: var(--amber-600); font-weight: 700; }
.form-intro a:hover { text-decoration: underline; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-field { margin-bottom: 1.25rem; }

.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.45rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(28, 58, 94, 0.12);
}

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

.form-status { margin-top: 1rem; font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.form-status-error { color: #B3402E; }
.form-status-ok { color: #2E7D5B; }

/* ---------- footer ---------- */

.site-footer {
  background: #0C2138;
  color: #A7B6C6;
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}

.footer-col a {
  display: block;
  color: #A7B6C6;
  font-size: 0.93rem;
  margin-bottom: 0.6rem;
  transition: color 0.15s ease;
}

.footer-col a:hover { color: var(--amber-500); }

.brand-light { color: var(--white); margin-bottom: 1rem; }

.footer-tag { font-size: 0.93rem; line-height: 1.7; margin-bottom: 0.8rem; }

.footer-site {
  font-weight: 700;
  color: var(--amber-500);
  font-size: 0.93rem;
}

.footer-addr { line-height: 1.7; font-size: 0.93rem; margin: 0.4rem 0 0; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.4rem 0;
  font-size: 0.82rem;
  color: #7E8FA1;
}

/* ---------- responsive ---------- */

@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-grid { gap: 2.5rem; }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 0.75rem 4%;
    display: none;
  }

  .site-nav.open { display: flex; }

  .site-nav > a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--line);
  }

  .site-nav > a::after { display: none; }

  .nav-cta { margin: 0.9rem 0 0.4rem; justify-content: center; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 3.5rem; }
  .hero-visual { order: 2; }

  .hero-strip-inner { grid-template-columns: repeat(2, 1fr); row-gap: 1.6rem; }

  .section { padding: 3.5rem 0; }

  .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .split-reverse .split-media { order: 1; }
  .split-reverse .split-copy { order: 2; }

  .section-head { flex-direction: column; align-items: flex-start; gap: 1rem; }

  .detail-top { grid-template-columns: 1fr; gap: 2.5rem; }
  .detail-block { grid-template-columns: 1fr; gap: 1.5rem; padding: 1.75rem 0; }
  .detail-block-reverse .detail-block-media { order: 1; }
  .detail-block-reverse .detail-block-copy { order: 2; }

  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .card-grid-4 { grid-template-columns: 1fr; }
  .card-grid-3 { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .footer-bottom { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .feature-list { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 1.9rem 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}