:root {
  --ink: #0b1714;
  --ink-2: #172520;
  --paper: #f7f7f2;
  --white: #fff;
  --green: #22a66f;
  --green-dark: #126345;
  --mint: #dff2e9;
  --red: #d9473f;
  --gold: #d7ad55;
  --ice: #f4f8fd;
  --azure: #2f6bff;
  --cyan: #19c8e8;
  --violet: #7a5cff;
  --flame: #e01b34;
  --burgundy: #7a1026;
  --ink-soft: rgba(12, 26, 46, .62);
  --tech-edge: linear-gradient(110deg, var(--cyan), var(--azure) 55%, var(--violet));
  --flame-edge: linear-gradient(110deg, #ff5d72, var(--flame) 60%, #a30f24);
  --glass: rgba(255, 255, 255, .74);
  --glass-brd: rgba(255, 255, 255, .9);
  --shadow: 0 24px 60px rgba(18, 49, 105, .12);
  --text: #17201d;
  --muted: #64716c;
  --line: #d9ded9;
  --container: 1180px;
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #77d9b3; outline-offset: 3px; }
[hidden] { display: none !important; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-140%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  height: var(--header-h);
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  align-items: center;
  color: var(--ink);
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(12, 26, 46, .1);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px rgba(18, 49, 105, .06);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  min-width: 250px;
  display: flex;
  align-items: center;
  gap: 11px;
}
.brand > img {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  object-fit: contain;
}
.brand-lock { display: grid; gap: 3px; }
.brand-word {
  width: auto;
  height: 31px;
  filter: brightness(0) saturate(100%) invert(12%) sepia(60%) saturate(2960%) hue-rotate(331deg) brightness(86%) contrast(100%);
}
.brand-stock {
  color: var(--burgundy);
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: .18em;
}
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}
.nav a {
  color: var(--burgundy);
  font-size: 13px;
  font-weight: 700;
}
.nav a:hover { color: #4f0717; }
.menu-button {
  width: 42px;
  height: 42px;
  display: none;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  color: var(--burgundy);
  background: transparent;
  border: 1px solid rgba(122, 16, 38, .28);
  cursor: pointer;
}
.menu-button svg { width: 20px; height: 20px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 18px;
  color: var(--white);
  background: var(--green);
  border: 1px solid var(--green);
  border-radius: 5px;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.35;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.button:hover {
  background: #19885c;
  border-color: #19885c;
  transform: translateY(-1px);
}
.button svg { width: 18px; height: 18px; flex: 0 0 auto; }
.button--small { min-height: 42px; padding: 9px 14px; font-size: 12px; }
.button--ghost {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, .55);
}
.button--ghost:hover {
  background: rgba(255, 255, 255, .1);
  border-color: var(--white);
}
.button--dark { background: var(--ink); border-color: var(--ink); }
.button--dark:hover { background: #23342e; border-color: #23342e; }

.hero {
  min-height: min(760px, calc(100svh - 22px));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: var(--white);
  background: var(--ink);
}
.hero-media, .hero-shade {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 13, 11, .94) 0%, rgba(4, 13, 11, .8) 37%, rgba(4, 13, 11, .19) 68%, rgba(4, 13, 11, .12) 100%),
    linear-gradient(0deg, rgba(4, 13, 11, .66) 0%, rgba(4, 13, 11, 0) 36%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding: 76px 0 112px;
}
.hero-copy { width: min(630px, 58%); }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: #b9d8cb;
  font-size: 13px;
  font-weight: 800;
}
.eyebrow:before {
  width: 34px;
  height: 2px;
  content: "";
  background: var(--red);
}
.hero h1 {
  margin: 0;
  max-width: 650px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(42px, 4.4vw, 68px);
  line-height: 1.14;
  font-weight: 900;
}
.hero h1 span {
  display: block;
  margin-top: 14px;
  color: #d8e4de;
  font-family: "Noto Sans TC", sans-serif;
  font-size: .48em;
  line-height: 1.45;
  font-weight: 700;
}
.hero-lead {
  max-width: 590px;
  margin: 22px 0 0;
  color: #e4ebe7;
  font-size: 17px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.hero-proof li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #d6e1dc;
  font-size: 12px;
  font-weight: 700;
}
.hero-proof svg { width: 15px; height: 15px; color: #60d6a3; }
.intent-rail {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  min-height: 78px;
  display: flex;
  align-items: center;
  color: var(--white);
  background: rgba(11, 23, 20, .92);
  border-top: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(14px);
}
.intent-inner {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 1fr);
  align-items: center;
}
.intent-intro { padding-right: 24px; }
.intent-intro span { color: #8fa29a; font-size: 10px; font-weight: 800; }
.intent-intro strong { display: block; margin-top: 4px; font-size: 14px; }
.intent-item {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 22px;
  border-left: 1px solid rgba(255, 255, 255, .15);
}
.intent-item svg { width: 22px; height: 22px; color: var(--gold); }
.intent-item span { font-size: 12px; font-weight: 800; }

.band { padding: 92px 0; }
.band--white { background: var(--white); }
.band--ink { color: var(--white); background: var(--ink); }
.band--mint { background: #edf5f0; }
.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}
.section-heading--center {
  margin-inline: auto;
  text-align: center;
}
.kicker {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
}
.band--ink .kicker { color: #77d9b3; }
.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(30px, 3.3vw, 46px);
  line-height: 1.32;
}
.band--ink .section-heading h2 { color: var(--white); }
.section-heading p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}
.band--ink .section-heading p:last-child { color: #adbbb5; }

.section-scene {
  position: relative;
  overflow: hidden;
  margin: 0;
  background: #d8e5df;
  border: 1px solid rgba(11, 23, 20, .12);
  border-radius: 7px;
  box-shadow: 0 22px 54px rgba(18, 49, 36, .12);
}
.section-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.section-scene--wide {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 6.6;
  margin-top: 10px;
}
.section-scene--solutions,
.section-scene--delivery,
.section-scene--contact {
  aspect-ratio: 16 / 6.4;
  margin-bottom: 34px;
}
.band--ink .section-scene {
  border-color: rgba(255, 255, 255, .15);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .25);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.95fr;
  gap: 64px;
  align-items: start;
}
.problem-statement {
  position: sticky;
  top: 104px;
  padding-left: 20px;
  border-left: 4px solid var(--red);
}
.problem-statement .kicker {
  margin: 0 0 12px;
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 900;
}
.problem-statement strong {
  display: block;
  color: var(--ink);
  font-family: "Noto Serif TC", serif;
  font-size: 26px;
  line-height: 1.45;
}
.problem-statement p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.problem-list { border-top: 1px solid var(--line); }
.problem-row {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 112px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
}
.problem-row > span {
  color: #9ba6a1;
  font-size: 12px;
  font-weight: 900;
}
.problem-row h3 { margin: 0; font-size: 18px; }
.problem-row p { margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.problem-row svg { width: 24px; height: 24px; color: var(--green-dark); }

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.solution-card {
  min-height: 250px;
  position: relative;
  overflow: hidden;
  padding: 26px;
  color: var(--text);
  background: var(--white);
  border: 1px solid #cfd9d2;
  border-radius: 7px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.solution-card:hover {
  transform: translateY(-3px);
  border-color: #9db9aa;
  box-shadow: 0 18px 38px rgba(21, 54, 41, .1);
}
.solution-card:after {
  width: 88px;
  height: 88px;
  position: absolute;
  right: -24px;
  bottom: -24px;
  content: "";
  background: var(--mint);
  transform: rotate(22deg);
}
.solution-card svg {
  width: 34px;
  height: 34px;
  color: var(--green-dark);
  stroke-width: 1.7;
}
.solution-card h3 { margin: 34px 0 0; font-size: 19px; }
.solution-card p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.solution-card span {
  display: block;
  margin-top: 20px;
  color: var(--red);
  font-size: 11px;
  font-weight: 900;
}

.case-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, .65fr);
  gap: 54px;
  align-items: center;
}
#case {
  background: #13261f;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.demo-media {
  position: relative;
  overflow: hidden;
  background: #07110e;
  border: 1px solid #2f4039;
  border-radius: 7px;
  box-shadow: 0 24px 58px rgba(0, 0, 0, .22);
}
.demo-media:before {
  display: block;
  padding-top: 56.25%;
  content: "";
}
.demo-media video {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: contain;
  background: #07110e;
}
.demo-label {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  color: var(--white);
  background: rgba(11, 23, 20, .9);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 4px;
  font-size: 10px;
  font-weight: 900;
  pointer-events: none;
}
.demo-label svg { width: 14px; height: 14px; color: #72d6aa; }
.case-copy .kicker { color: #77d9b3; }
.case-copy h2 {
  margin: 0;
  font-family: "Noto Serif TC", serif;
  font-size: clamp(31px, 3.2vw, 45px);
  line-height: 1.34;
}
.case-copy > p {
  margin: 18px 0 0;
  color: #b5c1bc;
  font-size: 14px;
  line-height: 1.9;
}
.case-copy strong { color: var(--white); }
.case-note {
  margin-top: 24px;
  padding: 18px 0 18px 18px;
  border-left: 3px solid var(--red);
}
.case-note span {
  display: block;
  color: #7ed8b1;
  font-size: 10px;
  font-weight: 900;
}
.case-note p {
  margin: 7px 0 0;
  color: #d6dfda;
  font-size: 13px;
  line-height: 1.7;
}
.case-copy .button { margin-top: 24px; }

.flow-shell {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 70px;
  align-items: center;
}
.flow-copy h2 {
  margin: 0;
  font-family: "Noto Serif TC", serif;
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1.35;
}
.flow-copy > p {
  margin: 18px 0 0;
  color: #afbbb6;
  font-size: 15px;
  line-height: 1.85;
}
.flow-copy .button { margin-top: 26px; }
.flow-board { border-top: 1px solid rgba(255, 255, 255, .18); }
.flow-step {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 16px;
  align-items: center;
  min-height: 104px;
  padding: 18px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}
.flow-step > span {
  color: #789087;
  font-family: "Noto Serif TC", serif;
  font-size: 20px;
  font-weight: 900;
}
.flow-step h3 { margin: 0; font-size: 16px; }
.flow-step p { margin: 5px 0 0; color: #9fada7; font-size: 12px; line-height: 1.6; }
.flow-step svg { width: 22px; height: 22px; color: var(--gold); }

.delivery-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.delivery-item {
  min-height: 210px;
  padding: 24px;
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.delivery-item svg { width: 28px; height: 28px; color: var(--green-dark); }
.delivery-item h3 { margin: 34px 0 0; font-size: 16px; }
.delivery-item p { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }

.contact-band {
  position: relative;
  padding: 88px 0;
  color: var(--ink);
  background:
    radial-gradient(48% 42% at 4% 12%, rgba(25, 200, 232, .1), transparent 62%),
    radial-gradient(46% 40% at 94% 84%, rgba(122, 92, 255, .08), transparent 62%),
    var(--ice);
  overflow: hidden;
}
.contact-band::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(12, 26, 46, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 26, 46, .035) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}
.contact-head, .contact-top { position: relative; }
.contact-head { margin-bottom: 46px; }
.contact-head .kicker { color: var(--azure); }
.contact-head h2 {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--ink);
  font-family: "Noto Serif TC", serif;
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.36;
}
.contact-head h2 span {
  background: var(--tech-edge);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: stretch;
}
.contact-card {
  position: relative;
  padding: 34px 32px;
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  border-radius: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.contact-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--flame-edge);
}
.contact-card--line::before { background: var(--tech-edge); }
.contact-card h3 { margin: 0 0 6px; color: var(--ink); font-size: 20px; }
.contact-card .sub { margin: 0 0 22px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 7px; color: var(--ink); font-size: 13px; font-weight: 800; }
.field label .req { color: var(--flame); }
.field input, .field select, .field textarea {
  width: 100%;
  min-width: 0;
  padding: 13px 15px;
  color: var(--ink);
  background: rgba(255, 255, 255, .82);
  border: 1px solid rgba(12, 26, 46, .1);
  border-radius: 11px;
  transition: border-color .25s, box-shadow .25s;
}
.field textarea { min-height: 112px; line-height: 1.65; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0;
  border-color: var(--azure);
  box-shadow: 0 0 0 3px rgba(47, 107, 255, .14);
}
.field .err { display: none; margin-top: 6px; color: var(--flame); font-size: 12px; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--flame); }
.field.invalid .err { display: block; }
.form-submit {
  width: 100%;
  min-height: 54px;
  margin-top: 6px;
  color: var(--white);
  background: var(--tech-edge);
  border: 0;
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(47, 107, 255, .3);
  cursor: pointer;
}
.form-submit:disabled { cursor: wait; opacity: .65; }
.form-note {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}
.form-ok { display: none; padding: 38px 10px; text-align: center; }
.form-ok.show { display: block; }
.form-ok-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  color: var(--white);
  background: linear-gradient(135deg, #08c157, #06a94b);
  border-radius: 50%;
}
.line-heading { display: flex; align-items: center; gap: 12px; }
.line-heading-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--flame-edge);
  border-radius: 10px;
}
.line-heading-icon svg { width: 18px; height: 18px; }
.contact-line-button {
  width: 100%;
  min-height: 54px;
  margin-top: 8px;
  color: var(--white);
  background: linear-gradient(135deg, #08c157, #06a94b);
  border-radius: 14px;
  box-shadow: 0 14px 32px rgba(6, 169, 75, .3);
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  color: var(--ink);
  font-size: 15px;
}
.contact-detail svg { width: 20px; height: 20px; color: var(--azure); }
.contact-badge {
  display: inline-flex;
  margin-top: 24px;
  padding: 7px 14px;
  color: var(--azure);
  background: rgba(47, 107, 255, .08);
  border: 1px solid rgba(47, 107, 255, .25);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 800;
}

.faq { max-width: none; }
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}
.faq-layout .section-scene {
  aspect-ratio: 4 / 4.35;
  position: sticky;
  top: 104px;
}
.faq-layout .section-scene img { object-position: 50% center; }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  position: relative;
  padding: 22px 46px 22px 4px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
}
.faq summary:after {
  position: absolute;
  top: 18px;
  right: 8px;
  content: "+";
  color: var(--green-dark);
  font-size: 24px;
}
.faq details[open] summary:after { content: "−"; }
.faq details p {
  margin: -4px 0 22px;
  padding-right: 46px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.site-footer {
  min-height: 120px;
  display: flex;
  align-items: center;
  color: #c7d1cc;
  background: #07110e;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.footer-brand strong { display: block; color: var(--white); font-size: 14px; }
.footer-brand span { display: block; margin-top: 5px; font-size: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 11px; }
.mobile-sticky { display: none; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .nav { gap: 15px; }
  .nav a { font-size: 11px; }
  .hero-copy { width: 66%; }
  .intent-inner { grid-template-columns: 1fr repeat(3, .8fr); }
  .problem-grid, .flow-shell, .case-showcase { gap: 38px; }
  .solution-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .delivery-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  body { padding-bottom: 68px; }
  :root { --header-h: 64px; }
  .container { width: min(calc(100% - 30px), var(--container)); }
  .brand { min-width: 0; }
  .brand > img { width: 38px; height: 38px; }
  .brand-word { height: 27px; }
  .brand-stock { font-size: 8px; }
  .menu-button { display: inline-flex; }
  .nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px 18px 18px;
    background: rgba(255, 255, 255, .98);
    border-top: 1px solid rgba(12, 26, 46, .1);
    box-shadow: 0 18px 34px rgba(0, 0, 0, .28);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid rgba(12, 26, 46, .1); font-size: 13px; }
  .nav .button { margin-top: 10px; }

  .hero {
    min-height: 760px;
    align-items: flex-end;
  }
  .hero-media img { object-position: 90% center; }
  .hero-shade {
    background:
      linear-gradient(180deg, rgba(4, 13, 11, .08) 0%, rgba(4, 13, 11, .36) 30%, rgba(4, 13, 11, .97) 58%, rgba(4, 13, 11, 1) 100%);
  }
  .hero-inner { padding: 250px 0 132px; }
  .hero-copy { width: 100%; }
  .eyebrow { font-size: 11px; }
  .hero h1 { font-size: 39px; }
  .hero h1 span { font-size: 19px; }
  .hero-lead { font-size: 14px; }
  .hero-actions .button { width: 100%; }
  .intent-rail { min-height: 116px; }
  .intent-inner { grid-template-columns: repeat(3, 1fr); gap: 0; }
  .intent-intro { grid-column: 1 / -1; padding: 12px 0 7px; }
  .intent-intro strong { font-size: 12px; }
  .intent-item { min-height: 48px; padding: 6px 8px; border-left: 0; border-top: 1px solid rgba(255,255,255,.12); }
  .intent-item svg { width: 18px; height: 18px; }
  .intent-item span { font-size: 10px; }

  .band { padding: 64px 0; }
  .section-heading { margin-bottom: 30px; }
  .section-heading--center { text-align: left; }
  .problem-grid, .flow-shell, .case-showcase { grid-template-columns: 1fr; }
  .problem-statement { position: static; }
  .problem-row { grid-template-columns: 34px 1fr auto; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-card { min-height: 220px; }
  .case-showcase { gap: 32px; }
  .case-copy { order: -1; }
  .flow-shell { gap: 38px; }
  .delivery-strip { grid-template-columns: 1fr; }
  .delivery-item { min-height: 170px; }
  .contact-band { padding: 64px 0; }
  .contact-top, .frow { grid-template-columns: 1fr; }
  .contact-card { padding: 28px 20px; }
  .section-scene--wide,
  .section-scene--solutions,
  .section-scene--delivery,
  .section-scene--contact {
    aspect-ratio: 4 / 3;
  }
  .section-scene--wide { margin-top: 0; }
  .section-scene--solutions,
  .section-scene--delivery,
  .section-scene--contact { margin-bottom: 26px; }
  .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .faq-layout .section-scene {
    position: static;
    aspect-ratio: 4 / 3;
  }
  .footer-inner { align-items: flex-start; flex-direction: column; padding-block: 28px; }
  .mobile-sticky {
    height: 68px;
    position: fixed;
    z-index: 70;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    padding: 8px 10px;
    background: rgba(255,255,255,.98);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(10, 31, 22, .12);
  }
  .mobile-sticky .button { width: 100%; }
}

@media (max-width: 420px) {
  .hero { min-height: 760px; }
  .hero-inner { padding-top: 250px; }
  .hero h1 { font-size: 34px; }
  .hero h1 span { font-size: 18px; }
  .hero-proof { gap: 8px 14px; }
  .problem-row { grid-template-columns: 28px 1fr; }
  .problem-row svg { display: none; }
}

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