/* ==========================================================================
   宏朗科技 · 官网主页
   Design tokens / Layout / Components
   ========================================================================== */

:root {
  --ink: #0F1418;
  --ink-soft: #182019;
  --brand: #12A594;
  --brand-light: #3FD3BF;
  --brand-deep: #3D6B63;
  --bg: #FBFCFB;
  --bg-alt: #F5F7F6;
  --line: #E7ECEA;
  --line-dark: #253330;
  --text: #0F1418;
  --text-2: #5C6867;
  --text-3: #8A9593;
  --muted-on-dark: #9AA5A3;
  --muted-on-dark-2: #8B9997;

  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
  --font-num: "Manrope", "DIN Alternate", "Helvetica Neue", Arial, sans-serif;

  --container: 1280px;
  --gutter: 80px;
  --radius: 18px;
  --radius-sm: 12px;
  --section-y: 96px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, h4, p, dl, dd, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
address { font-style: normal; }

::selection { background: var(--brand); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 999;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); background: #fff; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--ink); }

/* ---------- Shared type ---------- */
.eyebrow {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--brand);
  text-transform: none;
}
.eyebrow--dot {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 1.8px;
  font-size: 12px;
}
.eyebrow--light { color: var(--brand-light); }
.dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--brand);
  flex: none;
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.01em; }

h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.3; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 44px;
}
.section-head-copy { display: flex; flex-direction: column; gap: 16px; max-width: 720px; }
.section-head-copy h2 { max-width: 720px; }

.section-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 560px;
}
.section-desc--light { color: var(--muted-on-dark); font-size: 14px; line-height: 1.95; max-width: 392px; }
.section-desc--narrow { max-width: 320px; font-size: 14px; line-height: 1.85; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), gap .25s var(--ease);
  white-space: nowrap;
}
.text-link:hover { border-color: var(--ink); gap: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 52px;
  padding-inline: 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s var(--ease),
              border-color .25s var(--ease), box-shadow .25s var(--ease);
  will-change: transform;
}
.btn--dark {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 1px 2px rgba(15, 20, 24, .18);
}
.btn--dark:hover { background: #1D282C; transform: translateY(-1px); box-shadow: 0 8px 22px rgba(15, 20, 24, .2); }
.btn--ghost {
  background: var(--bg);
  color: var(--ink);
  border-color: #D8E1DE;
}
.btn--ghost:hover { background: #fff; border-color: #BFCBC8; transform: translateY(-1px); }
.btn--block { width: 100%; height: 50px; border-radius: 10px; font-size: 14px; }

.pill {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding-inline: 18px;
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .2px;
  transition: background-color .25s var(--ease), transform .25s var(--ease);
}
.pill--dark { background: var(--ink); color: #fff; }
.pill--dark:hover { background: #1D282C; transform: translateY(-1px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease), background-color .3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 6px 24px -18px rgba(15, 20, 24, .45);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 80px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 19px; font-weight: 700; letter-spacing: .01em; }
.brand-text em {
  font-family: var(--font-num);
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.6px;
  color: #9AA5A3;
  margin-top: 3px;
}

.nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.nav a {
  position: relative;
  font-size: 14px;
  color: #3D4A48;
  padding-block: 6px;
  transition: color .2s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--ink); font-weight: 500; }

.header-tel { flex: none; margin-left: 8px; }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: none;
  padding: 8px;
  cursor: pointer;
  flex: none;
}
.menu-toggle span {
  display: block;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.menu-toggle span + span { margin-top: 5px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 8px var(--gutter) 24px;
}
.mobile-nav a {
  padding: 14px 0;
  font-size: 15px;
  border-bottom: 1px solid #F0F3F2;
}
.mobile-nav .mobile-tel {
  margin-top: 16px;
  border: 0;
  text-align: center;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  padding: 13px 0;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--bg);
  padding-block: 84px 88px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 552px;
  align-items: center;
  gap: 56px;
}
.hero-copy { display: flex; flex-direction: column; gap: 22px; }

.hero h1 {
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: 1.26;
  letter-spacing: -0.015em;
}
.hero-sub {
  font-size: 16px;
  line-height: 1.95;
  color: var(--text-2);
  max-width: 560px;
}

.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 4px; flex-wrap: wrap; }

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 26px;
  padding-top: 14px;
  margin-top: 2px;
}
.metric { display: flex; flex-direction: column; gap: 5px; }
.metric-label { font-size: 12px; color: var(--text-3); order: 2; }
.metric-value {
  order: 1;
  font-family: var(--font-num);
  font-size: 25px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.metric-value span { font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: #3D4A48; }
.metric + .metric { padding-left: 26px; border-left: 1px solid #DFE6E4; }

.hero-visual {
  position: relative;
  height: 452px;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(150deg, #0F1418 0%, #21443F 100%);
  box-shadow: 0 24px 60px -28px rgba(15, 20, 24, .5);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

.float-card {
  position: absolute;
  left: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 10px 30px -12px rgba(15, 20, 24, .4);
  backdrop-filter: blur(6px);
}
.float-card strong { font-size: 13px; font-weight: 600; }
.float-card span { font-size: 11px; color: var(--text-3); }

/* ---------- Clients ---------- */
.clients { background: #fff; border-bottom: 1px solid #ECEFEE; }
.clients-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 24px;
}
.clients-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.4px;
  color: #A8B2B0;
  flex: none;
}
.clients-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex: 1;
  flex-wrap: wrap;
}
.clients-list li {
  font-size: 15px;
  font-weight: 600;
  color: #B6C0BE;
  letter-spacing: .6px;
  transition: color .3s var(--ease);
  white-space: nowrap;
}
.clients-list li:hover { color: #8A9593; }

/* ---------- Bento 产品 ---------- */
.bento {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 412px;
  gap: 20px;
}
.bento > :nth-child(1) { grid-column: 1; grid-row: 1; }
.bento > :nth-child(2) { grid-column: 2; grid-row: 1; }
.bento > :nth-child(3) { grid-column: 2; grid-row: 2; }
.bento > :nth-child(4) { grid-column: 1; grid-row: 2; }

.card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: 0 22px 46px -26px rgba(15, 20, 24, .32); border-color: #DCE4E2; }

.card-media {
  height: 226px;
  overflow: hidden;
  background: #EDF1F0;
  flex: none;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.card:hover .card-media img { transform: scale(1.04); }

.card-body { display: flex; flex-direction: column; gap: 10px; padding: 24px 26px 26px; }
.card-body h3 { font-size: 22px; font-weight: 600; }
.card-body p { font-size: 14px; line-height: 1.8; color: var(--text-2); }

.tags { display: flex; gap: 8px; margin-top: 2px; flex-wrap: wrap; }
.tags li {
  font-size: 11px;
  font-weight: 500;
  color: var(--brand-deep);
  background: #F1F6F4;
  padding: 5px 11px;
  border-radius: 999px;
}

.card--dark {
  background: var(--ink);
  border-color: var(--ink);
  padding: 30px;
  gap: 14px;
  justify-content: flex-start;
}
.card--dark:hover { border-color: #1B2725; }
.card--dark .card-title-lg { color: #fff; font-size: 26px; line-height: 1.38; font-weight: 700; }
.card--dark .card-desc { font-size: 14px; line-height: 1.85; color: var(--muted-on-dark); }
.card--dark .card-foot { color: #6C7C79; font-size: 11px; margin-top: auto; }

.card-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 4px;
  border-top: 1px solid #1E2B28;
}
.card-list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: #A9B5B3;
  border-bottom: 1px solid #1A2624;
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 5px;
  height: 1.5px;
  background: var(--brand-light);
  border-radius: 2px;
}

.card-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.4px;
  color: #3FD3BF;
}
.card-eyebrow--brand { color: var(--brand); }

.card--plain { padding: 28px; justify-content: flex-start; gap: 12px; }
.card--plain h3 { font-size: 22px; font-weight: 600; line-height: 1.35; }
.card--plain p { font-size: 14px; line-height: 1.8; color: var(--text-2); }
.card--plain .card-foot { margin-top: auto; padding-top: 10px; font-size: 12px; font-weight: 500; }
.card-foot--brand { color: var(--brand); }

/* ---------- Advantages ---------- */
.section-head--dark { align-items: flex-end; }
.section-head--dark h2 { color: #fff; max-width: 620px; }

.advantages {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  border-top: 1px solid var(--line-dark);
}
.advantage {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line-dark);
}
.advantage:nth-last-child(-n + 2) { border-bottom: 0; padding-bottom: 0; }
.advantage:nth-last-child(-n + 2) { padding-top: 40px; }
.adv-num {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  color: var(--brand-light);
  letter-spacing: .02em;
}
.advantage h3 { font-size: 21px; font-weight: 600; color: #fff; }
.advantage p { font-size: 14px; line-height: 1.9; color: var(--muted-on-dark-2); }

/* ---------- About ---------- */
.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 72px;
}
.about-copy { display: flex; flex-direction: column; gap: 18px; }
.about-copy h2 { font-size: clamp(28px, 2.9vw, 40px); line-height: 1.34; }
.about-copy p { font-size: 15px; line-height: 1.95; color: #4A5654; }

.about-facts {
  display: flex;
  gap: 56px;
  padding-top: 16px;
  margin-top: 4px;
  flex-wrap: wrap;
}
.about-facts > div { display: flex; flex-direction: column; gap: 6px; }
.about-facts dt { font-size: 11px; color: #9AA5A3; }
.about-facts dd { font-size: 17px; font-weight: 500; }

.cert-card {
  border-radius: var(--radius);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  padding: 26px 30px 28px;
}
.cert-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid #E1E8E6;
}
.cert-head h3 { font-size: 15px; font-weight: 600; }
.cert-badge {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
  color: var(--brand);
}

.cert-list { display: flex; flex-direction: column; }
.cert-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px dashed #E1E8E6;
}
.cert-row:last-child { border-bottom: 0; padding-bottom: 0; }
.cert-row dt { font-size: 12px; color: #8A9593; flex: none; }
.cert-row dd {
  font-size: 12.5px;
  font-weight: 500;
  text-align: right;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- Cases ---------- */
.cases {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 412px;
  gap: 20px;
}
.case {
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.case:hover { transform: translateY(-3px); box-shadow: 0 22px 46px -26px rgba(15, 20, 24, .3); }
.case-media { height: 268px; overflow: hidden; background: #E4EAE8; }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.case:hover .case-media img { transform: scale(1.045); }
.case-body { padding: 20px 24px 22px; display: flex; flex-direction: column; gap: 8px; }
.case-body h3 { font-size: 19px; font-weight: 600; }
.case-body p { font-size: 12.5px; color: var(--text-3); }

.testimonial {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  align-items: center;
  gap: 40px;
  margin-top: 20px;
  padding: 30px 36px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
}
.testimonial blockquote {
  font-size: 20px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.testimonial figcaption { display: flex; flex-direction: column; gap: 4px; }
.testimonial figcaption strong { font-size: 12.5px; font-weight: 600; }
.testimonial figcaption span { font-size: 12.5px; color: var(--text-3); line-height: 1.7; }

/* ---------- Contact ---------- */
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  align-items: center;
  gap: 72px;
}
.contact-copy { display: flex; flex-direction: column; gap: 18px; }
.contact-copy h2 { font-size: clamp(28px, 2.9vw, 40px); line-height: 1.34; }
.contact-lead { font-size: 15px; line-height: 1.95; color: #4A5654; max-width: 560px; }

.contact-list { display: flex; flex-direction: column; padding-top: 14px; }
.contact-list li {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px 0;
}
.contact-list li + li { border-top: 1px solid #EFF2F1; }
.contact-list span {
  width: 56px;
  flex: none;
  font-size: 12px;
  color: #9AA5A3;
}
.contact-list a, .contact-list address {
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 600;
  transition: color .2s var(--ease);
}
.contact-list address { font-family: var(--font-sans); font-size: 15px; font-weight: 500; }
.contact-list a:hover { color: var(--brand); }
.contact-list .accent { color: var(--brand); }

/* ---------- Domain links ---------- */
.domains {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 9px;
}
.domain-sep {
  color: #C6CFCC;
  font-weight: 400;
  line-height: 1;
  user-select: none;
}
.domains a { transition: color .2s var(--ease); }
.domains a:hover { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }

.contact-list .domains { width: auto; flex: 1 1 auto; gap: 4px 10px; }
.contact-list .domains a {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 600;
  color: var(--brand);
}
.contact-list .domain-sep { width: auto; font-size: 13px; }

.cert-row dd.domains { justify-content: flex-end; gap: 3px 8px; }
.cert-row dd.domains a { color: var(--brand); font-weight: 600; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px 30px 30px;
  border-radius: var(--radius);
  background: var(--bg-alt);
  border: 1px solid var(--line);
}
.contact-form h3 { font-size: 16px; font-weight: 600; }

.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 11px; color: var(--text-3); }
.field input, .field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #E1E7E5;
  border-radius: 10px;
  padding: 0 13px;
  height: 44px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
}
.field textarea { height: auto; padding: 12px 13px; resize: vertical; min-height: 88px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: #AEB8B6; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(18, 165, 148, .12);
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] {
  border-color: #D9534F;
  box-shadow: 0 0 0 3px rgba(217, 83, 79, .1);
}

.form-msg {
  min-height: 18px;
  font-size: 12.5px;
  color: var(--brand);
  line-height: 1.6;
}
.form-msg.is-error { color: #C9483F; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #fff; }
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 64px;
  padding-block: 62px 46px;
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; max-width: 420px; }
.footer-brand-row { display: flex; align-items: center; gap: 10px; }
.footer-brand-row strong { font-size: 18px; font-weight: 700; }
.footer-tagline { font-size: 13px; color: var(--muted-on-dark-2); }
.footer-phone { font-size: 13px; font-weight: 500; color: #D6DEDC; }
.footer-phone a { transition: color .2s var(--ease); }
.footer-phone a:hover { color: var(--brand-light); }

.footer-cols { display: flex; gap: 68px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.6px;
  color: #63736F;
  margin-bottom: 0;
}
.footer-col a {
  font-size: 13px;
  color: #B6C0BE;
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.footer-col a:hover { color: #fff; }

.footer-divider { height: 1px; background: #22302D; }

.footer-bottom {
  padding-block: 22px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  text-align: center;
}
.copyright { font-size: 12px; color: #7C8B88; }
.filing-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 16px;
  font-size: 12px;
  line-height: 1.7;
  color: #63736F;
}
.filing-meta span { white-space: nowrap; }
.filing { display: flex; justify-content: center; margin-top: 4px; }
.filing-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .3px;
  color: #C9D3D1;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.filing-link:hover {
  color: #3FD3BF;
  background: rgba(63, 211, 191, .09);
}
.filing-icon { flex: none; opacity: .85; }

/* ---------- Reveal animation ---------- */
html:not(.js-ready) .reveal { opacity: 1; transform: none; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1180px) {
  :root { --gutter: 48px; --section-y: 80px; }
  .hero-inner { gap: 40px; grid-template-columns: minmax(0, 1fr) 460px; }
  .hero-visual { height: 400px; }
  .about-inner, .contact-inner { gap: 48px; }
  .bento { grid-template-columns: minmax(0, 1fr) 360px; }
  .cases { grid-template-columns: minmax(0, 1fr) 360px; }
}

@media (max-width: 980px) {
  :root { --gutter: 32px; }
  .nav, .header-tel { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav { display: none; }
  .mobile-nav.is-open { display: flex; }

  .hero { padding-block: 56px 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { height: 340px; }

  .bento { grid-template-columns: 1fr; }
  .bento > :nth-child(n) { grid-column: 1; grid-row: auto; }

  .about-inner, .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .cert-card { max-width: 520px; }
  .contact-form { max-width: 520px; }

  .cases { grid-template-columns: 1fr; }
  .case-media { height: 240px; }

  .clients-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .clients-list { gap: 20px 28px; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; --section-y: 56px; --radius: 14px; }

  .site-header { position: sticky; }
  .header-inner { height: 64px; }
  .brand-text strong { font-size: 16px; }
  .brand-text em { font-size: 9px; letter-spacing: 1.3px; }
  .brand-mark svg { width: 26px; height: 26px; }

  .hero { padding-block: 36px 40px; }
  .hero-copy { gap: 16px; }
  .hero h1 { font-size: 31px; line-height: 1.4; }
  .br-desktop { display: none; }
  .hero-sub { font-size: 13.5px; line-height: 1.85; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .btn { width: 100%; height: 48px; font-size: 14px; }
  .hero-metrics { gap: 16px; justify-content: space-between; padding-top: 8px; }
  .metric + .metric { padding-left: 16px; }
  .metric-value { font-size: 19px; }
  .metric-value span { font-size: 11px; }
  .metric-label { font-size: 10.5px; }
  .hero-visual { height: 238px; border-radius: 16px; }
  .float-card { left: 14px; bottom: 14px; padding: 11px 13px; }
  .float-card strong { font-size: 12px; }
  .float-card span { font-size: 10px; }

  .clients-inner { padding-block: 18px; }
  .clients-list { gap: 14px 20px; }
  .clients-list li { font-size: 12px; }
  .clients-label { font-size: 11px; }

  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 26px; }
  .section-head-copy { gap: 10px; }
  h2 { font-size: 26px; line-height: 1.36; }
  .section-desc { font-size: 13px; line-height: 1.8; }
  .section-desc--light, .section-desc--narrow { max-width: none; }

  .bento { gap: 14px; }
  .card-media { height: 180px; }
  .card-body { padding: 18px; gap: 8px; }
  .card-body h3 { font-size: 17px; }
  .card-body p { font-size: 12.5px; }
  .card--dark { padding: 18px; gap: 7px; }
  .card--dark .card-title-lg { font-size: 17px; }
  .card--dark .card-desc { font-size: 12.5px; }
  .card-list li { font-size: 12px; padding: 7px 0 7px 14px; }
  .card-list li::before { top: 15px; }
  .card--plain { padding: 18px; gap: 8px; }
  .card--plain h3 { font-size: 17px; }
  .card--plain p { font-size: 12.5px; }

  .advantages { grid-template-columns: 1fr; gap: 0; }
  .advantage { padding: 18px 0; gap: 6px; }
  .advantage:first-child { border-top: 0; }
  .advantage:nth-last-child(-n + 2) { padding-block: 18px; border-bottom: 1px solid var(--line-dark); }
  .advantage:last-child { border-bottom: 0; }
  .adv-num { font-size: 13px; }
  .advantage h3 { font-size: 16px; }
  .advantage p { font-size: 12.5px; line-height: 1.8; }

  .about-inner { gap: 22px; }
  .about-copy { gap: 12px; }
  .about-copy h2 { font-size: 24px; }
  .about-copy p { font-size: 13px; line-height: 1.85; }
  .about-facts { gap: 20px 28px; padding-top: 8px; }
  .about-facts dd { font-size: 14px; }

  .cert-card { padding: 18px; max-width: none; }
  .cert-head { padding-bottom: 10px; }
  .cert-head h3 { font-size: 13px; }
  .cert-row { padding: 8px 0; gap: 12px; }
  .cert-row dt { font-size: 11.5px; }
  .cert-row dd { font-size: 11.5px; }

  .cases { gap: 14px; }
  .case-media { height: 180px; }
  .case-body { padding: 14px 16px 16px; gap: 6px; }
  .case-body h3 { font-size: 15px; }
  .case-body p { font-size: 11px; }

  .testimonial {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 14px;
    padding: 18px;
  }
  .testimonial blockquote { font-size: 14px; line-height: 1.75; }
  .testimonial figcaption strong, .testimonial figcaption span { font-size: 11.5px; }

  .contact-inner { gap: 24px; }
  .contact-copy { gap: 12px; }
  .contact-copy h2 { font-size: 24px; }
  .contact-lead { font-size: 13px; line-height: 1.85; }
  .contact-list { padding-top: 4px; }
  .contact-list li { gap: 16px; padding: 11px 0; align-items: flex-start; }
  .contact-list span { width: 42px; font-size: 11.5px; line-height: 1.9; }
  .contact-list a { font-size: 13.5px; }
  .contact-list address { font-size: 12.5px; line-height: 1.7; }
  .contact-list .domains { gap: 3px 7px; }
  .contact-list .domains a { font-size: 12.5px; }
  .contact-list .domain-sep { font-size: 10.5px; }
  .cert-row dd.domains { gap: 2px 6px; }

  .contact-form { padding: 18px; gap: 12px; max-width: none; }
  .contact-form h3 { font-size: 13px; }
  .field { gap: 5px; }
  .field input, .field textarea { height: 42px; font-size: 12.5px; }
  .field textarea { height: auto; min-height: 78px; }
  .btn--block { height: 44px; font-size: 13px; border-radius: 9px; }

  .footer-top { flex-direction: column; gap: 26px; padding-block: 30px 24px; }
  .footer-brand { gap: 10px; }
  .footer-cols { gap: 34px; }
  .footer-col { gap: 9px; }
  .footer-bottom { padding-block: 18px 26px; gap: 6px; }
  .copyright, .filing-meta { font-size: 11px; }
  .filing-meta { gap: 2px 12px; line-height: 1.9; }
  .filing { margin-top: 2px; }
  .filing-link { font-size: 12px; padding: 5px 9px; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: 27px; }
  h2 { font-size: 23px; }
  .metric-value { font-size: 17px; }
}

/* ---------- Motion / print ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .mobile-nav, .hero-actions, .contact-form, .reveal { opacity: 1 !important; transform: none !important; }
  .site-header { position: static; }
  .section { padding-block: 32px; page-break-inside: avoid; }
}