/* =========================================================
   Raychase Dawn — Global Styles
   ========================================================= */

:root {
  --navy-950: #061526;
  --navy-900: #0a1f36;
  --navy-800: #0a2a4a;
  --navy-700: #10395f;
  --blue-600: #0d6efd;
  --blue-500: #1d7cfd;
  --cyan-400: #2ad0ff;
  --cyan-300: #7fd6ff;
  --ink: #14212f;
  --ink-2: #3d4c5c;
  --ink-3: #66788a;
  --line: #e4ebf2;
  --bg: #ffffff;
  --bg-soft: #f4f8fc;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 12px 40px -16px rgba(10, 42, 74, 0.28);
  --shadow-soft: 0 6px 24px -12px rgba(10, 42, 74, 0.18);
  --transition: .28s cubic-bezier(.4, 0, .2, 1);
  --container: 1200px;
  --font: "Inter", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.7;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0; font-weight: 700; }
p { margin: 0; }

.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-ico { width: 18px; height: 18px; transition: transform var(--transition); }
.btn:hover .btn-ico { transform: translateX(4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), #0aa2ff);
  color: #fff;
  box-shadow: 0 10px 26px -10px rgba(13, 110, 253, 0.65);
}
.btn-primary:hover { box-shadow: 0 14px 32px -10px rgba(13, 110, 253, 0.8); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--blue-600); color: var(--blue-600); background: rgba(13,110,253,.04); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.9);
  color: var(--blue-600);
  padding: 10px 20px;
  font-size: 14px;
  box-shadow: var(--shadow-soft);
}
.btn-ghost:hover { background: #fff; transform: translateY(-1px); }

.btn-block { width: 100%; justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(228, 235, 242, 0.7);
  transition: var(--transition);
}
.site-header.is-scrolled { box-shadow: 0 6px 24px -14px rgba(10,42,74,.28); }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  display: block;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #0d6efd, #2ad0ff);
  -webkit-mask-image: url('../assets/raychase-dawn-logo.png');
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-image: url('../assets/raychase-dawn-logo.png');
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; gap: 4px; }
.brand-name { font-size: 19px; font-weight: 800; color: var(--navy-800); letter-spacing: 1px; }
.brand-sub { font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-3); }

.nav-links {
  display: flex;
  gap: 6px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 8px;
  transition: var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-link:hover { color: var(--blue-600); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--blue-600); }
.nav-cta { margin-left: 6px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: var(--transition); }

/* ---------- Transparent nav over hero (homepage) ---------- */
.site-header.hero-header {
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.site-header.hero-header:not(.is-scrolled) .brand-name { color: #fff; }
.site-header.hero-header:not(.is-scrolled) .brand-sub { color: rgba(255, 255, 255, 0.72); }
.site-header.hero-header:not(.is-scrolled) .nav-link { color: rgba(255, 255, 255, 0.92); }
.site-header.hero-header:not(.is-scrolled) .nav-link::after { background: var(--cyan-300); }
.site-header.hero-header:not(.is-scrolled) .nav-toggle span { background: #fff; }
.site-header.hero-header:not(.is-scrolled) .nav-link:hover,
.site-header.hero-header:not(.is-scrolled) .nav-link.is-active { color: #7fd6ff; }
.site-header.hero-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(228, 235, 242, 0.7);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(1100px 520px at 84% -6%, rgba(42, 208, 255, 0.28), transparent 58%),
    radial-gradient(760px 460px at 4% 108%, rgba(13, 110, 253, 0.4), transparent 62%),
    linear-gradient(162deg, #05203a, #0a2a4a 55%, #0d3a63);
  margin-top: -72px;
  padding: 168px 0 72px;
}
/* soft left scrim for text readability */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(4, 16, 30, 0.3), rgba(4, 16, 30, 0) 55%);
  pointer-events: none;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }

/* dawn light beams */
.hero-beams {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(127, 214, 255, 0.16), transparent 80%),
    linear-gradient(180deg, rgba(122, 210, 255, 0.1), transparent 82%),
    linear-gradient(180deg, rgba(127, 214, 255, 0.14), transparent 80%);
  background-position: 22% 0, 50% 0, 78% 0;
  background-size: 2px 100%, 3px 100%, 2px 100%;
  background-repeat: no-repeat;
  opacity: 0.8;
}

/* soft light blooms */
.shape { position: absolute; border-radius: 50%; filter: blur(34px); opacity: 0.5; }
.shape-1 {
  width: 520px; height: 520px; top: -180px; right: -120px;
  background: radial-gradient(circle at 50% 50%, rgba(42, 208, 255, 0.4), transparent 62%);
}
.shape-2 {
  width: 440px; height: 440px; bottom: -160px; left: -130px;
  background: radial-gradient(circle at 50% 50%, rgba(13, 110, 253, 0.42), transparent 62%);
}

/* refined fiber strands (right-edge accent) */
.hero-fibers {
  position: absolute;
  right: 0;
  bottom: -4%;
  width: 72%;
  max-width: 1000px;
  opacity: 0.55;
  filter: drop-shadow(0 0 8px rgba(42, 208, 255, 0.28));
}

.hero-inner { position: relative; z-index: 2; max-width: 900px; }
.hero-title {
  margin-top: 36px;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.5px;
}
.grad {
  background: linear-gradient(92deg, #4fd6ff, #7fd6ff 55%, #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 28px;
  font-size: 18px;
  max-width: 640px;
  color: rgba(230, 242, 252, 0.86);
}
.hero-sub strong { color: #fff; }
.hero-actions { display: flex; gap: 14px; margin-top: 42px; flex-wrap: wrap; }
.hero .btn-outline { color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.hero .btn-outline:hover { color: #fff; border-color: #fff; background: rgba(255, 255, 255, 0.14); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 70px;
  padding: 27px 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}
.stat-label { font-size: 13px; color: rgba(214, 232, 246, 0.78); margin-top: 4px; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section.about { background: var(--bg); }
.section.products { background: var(--bg-soft); }
.section.advantage { background: linear-gradient(160deg, #0a2a4a, #0d3a63); color: #fff; }
.section.global { background: var(--bg); }
.section.contact { background: var(--bg-soft); }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 14px;
}
.section-title { font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: var(--navy-800); }
.section-title.contact-title { font-size: clamp(22px, 3vw, 36px); }
@media (max-width: 600px) {
  .section-title.contact-title { font-size: clamp(18px, 6vw, 24px); }
}
.section-title.title-nowrap { white-space: nowrap; font-size: clamp(15px, 3.4vw, 30px); }
.section-title.products-title { white-space: nowrap; }
@media (max-width: 600px) {
  .section-title.products-title { font-size: clamp(17px, 5.5vw, 30px); }
}
.section-title.about-title { font-size: clamp(21px, 2.8vw, 32px); white-space: nowrap; }
/* 小屏下允许这些标题换行，避免 nowrap 把页面横向撑宽、出现右侧空白与左右滑动 */
@media (max-width: 768px) {
  .section-title.title-nowrap,
  .section-title.products-title,
  .section-title.about-title { white-space: normal; }
}
.text-grad {
  background: linear-gradient(90deg, var(--blue-600), #0aa2ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-lead { margin-top: 18px; font-size: 17px; color: var(--ink-2); max-width: 58ch; }
.section-sub { margin-top: 14px; color: var(--ink-3); max-width: 60ch; }
.section-sub.center { margin-inline: auto; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .section-sub { margin-inline: auto; }
.center { text-align: center; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: center;
}
.about-visual .viz-card {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #071c33;
  box-shadow: var(--shadow);
}
.viz-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center;
  animation: vizBreath 12s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes vizBreath {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}
.about-features { margin-top: 28px; display: grid; gap: 18px; }
.about-features li { display: flex; gap: 16px; align-items: flex-start; }
.feat-ico {
  flex-shrink: 0;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 8px;
  color: var(--blue-600);
  background: rgba(13, 110, 253, 0.08);
}
.feat-ico svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.about-features strong { font-size: 16px; color: var(--navy-800); }
.about-features p { font-size: 14px; color: var(--ink-2); margin-top: 2px; }

/* ---------- Products (reference card layout) ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.p-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.p-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(13, 110, 253, 0.35);
}
.p-media {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--blue-600);
  background: linear-gradient(120deg, #edf4fc, #f8fbff);
}
.p-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(340px 200px at 50% 120%, rgba(13, 110, 253, 0.14), transparent 65%);
  pointer-events: none;
}
.p-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  transition: transform var(--transition);
}
.p-card:hover .p-media img { transform: scale(1.04); }
.p-media .p-art {
  width: 120px;
  height: 90px;
  position: relative;
  z-index: 1;
}
.p-card:hover .p-media { color: #0aa2ff; }
.p-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.p-cat { font-size: 18px; font-weight: 800; color: var(--navy-800); letter-spacing: 0.3px; }
.p-cat-link { color: inherit; transition: color var(--transition); }
.p-cat-link:hover { color: var(--blue-600); }
.p-sub {
  margin-top: 14px;
  display: grid;
}
.p-sub-item { padding: 11px 0 0; border-top: 1px solid var(--line); }
.p-sub-cat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-3);
}
.p-sub-cat::before {
  content: "";
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #c3cfd9;
}
.p-sub-item.is-pending .p-sub-cat { color: #b7c3cf; }
.p-sub-item.is-pending .p-sub-cat::before { background: #dbe2e9; }
.p-sub-cat-link { color: inherit; transition: color var(--transition); }
.p-sub-cat-link:hover { color: var(--blue-600); }
.section-foot {
  margin-top: 44px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--ink-3);
  font-size: 15px;
}
.section-foot .link-arrow { color: var(--blue-600); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.link-arrow svg { width: 18px; height: 18px; }
.link-arrow:hover { gap: 10px; }

/* ---------- Advantage ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {
  padding: 34px 26px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}
.adv-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(127, 214, 255, 0.4);
  transform: translateY(-6px);
}
.adv-ico {
  display: grid;
  place-items: center;
  width: 62px; height: 62px;
  border-radius: 10px;
  color: var(--cyan-300);
  background: rgba(42, 208, 255, 0.14);
  margin-bottom: 20px;
}
.adv-ico svg { width: 30px; height: 30px; fill: none; stroke: #dff4ff; stroke-width: 1.7; }
.adv-ico svg .fill { fill: var(--cyan-300); stroke: none; }
.advantage .section-eyebrow { color: var(--cyan-300); }
.advantage .section-title { color: #fff; }
.advantage .section-sub { color: rgba(214, 232, 246, 0.78); }
.adv-card h3 { font-size: 19px; color: #fff; }
.adv-card p { margin-top: 12px; font-size: 14.5px; color: rgba(214, 232, 246, 0.8); }

/* ---------- Global ---------- */
.global-inner { max-width: 880px; }
.global-map {
  position: relative;
  margin: 40px auto 0;
  max-width: 800px;
}
.world-map { width: 100%; height: auto; display: block; }
.world-dots { position: absolute; inset: 0; width: 100%; height: 100%; }
.sz-pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: szBreath 3.2s ease-in-out infinite;
}
@keyframes szBreath {
  0%, 100% { opacity: 0.55; transform: scale(0.92); }
  50% { opacity: 1; transform: scale(1.12); }
}
.global-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
}
.global-tags li {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-700);
  background: rgba(13, 110, 253, 0.07);
  border: 1px solid rgba(13, 110, 253, 0.16);
  padding: 7px 16px;
  border-radius: 999px;
}
.global-tags li.more { color: var(--blue-600); }
.global-note { text-align: center; margin-top: 30px; color: var(--ink-2); font-size: 16px; }

/* GLOBAL merged into the dark ADVANTAGE section */
.advantage .global-inner { margin-top: 56px; }
.advantage .global-head { margin-bottom: 56px; }
.advantage .global-title { text-align: center; }
.advantage .global-tags li { color: var(--cyan-300); background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.18); }
.advantage .global-tags li.more { color: var(--cyan-300); }
.advantage .global-note { color: rgba(214, 232, 246, 0.8); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-list { margin-top: 30px; display: grid; gap: 22px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-ico {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 8px;
  display: grid; place-items: center;
  color: var(--blue-600);
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.contact-ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.c-label { display: block; font-size: 13px; color: var(--ink-3); }
.c-value { font-size: 16px; color: var(--navy-800); font-weight: 500; }
.c-value.link { color: var(--blue-600); }
.c-value.link:hover { text-decoration: underline; }

.contact-form-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  box-shadow: var(--shadow-soft);
}
.contact-form h3 { font-size: 22px; color: var(--navy-800); }
.form-hint { font-size: 14px; color: var(--ink-3); margin: 8px 0 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field span { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.field input, .field select, .field textarea {
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  transition: var(--transition);
  width: 100%;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
}
.form-status { margin-top: 14px; font-size: 14px; text-align: center; min-height: 1.2em; }
.form-status.ok { color: #0f9d58; }
.form-status.err { color: #d9534f; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #cbdcea; padding-top: 64px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: #7f9bb5; }
.footer-brand .brand-mark { background: linear-gradient(135deg, #1d7cfd, #7fd6ff); }
.footer-desc { margin-top: 16px; font-size: 14.5px; color: #9fb4c8; max-width: 30ch; }
.footer-col h4 { font-size: 15px; color: #fff; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a, .footer-col li { font-size: 14px; color: #a9bfd2; }
.footer-col a:hover { color: var(--cyan-300); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13.5px;
  color: #7f9bb5;
}
.footer-cn { letter-spacing: 1.5px; text-transform: uppercase; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .hero-fibers { display: none; }
  .nav-links {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    gap: 4px;
    padding: 18px 24px 22px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  /* 菜单展开时强制用深色文字，避免“透明hero头部 + 白底菜单 = 白字白底”导致看不到字 */
  .site-header.hero-header:not(.is-scrolled) .nav-links.open .nav-link,
  .site-header.hero-header:not(.is-scrolled) .nav-links.open .nav-link.is-active { color: var(--ink-2); }
  .site-header.hero-header:not(.is-scrolled) .nav-links.open .nav-link:hover { color: var(--blue-600); }
  .nav-link { display: block; padding: 12px 8px; font-size: 16px; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; margin-left: auto; margin-right: -8px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero { padding: 144px 0 44px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-title { font-size: 38px; }
}

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