:root {
  --ink: #213044;
  --muted: #6d7a8e;
  --line: #e4ebf2;
  --paper: #ffffff;
  --soft: #f4f8fc;
  --blue: #34acff;
  --blue-strong: #168ee6;
  --blue-deep: #176aa8;
  --navy: #061526;
  --soft-shadow: 0 16px 42px rgba(25, 55, 84, 0.1);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f6f9fc;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

html[lang="zh-CN"] body {
  font-family:
    Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", ui-sans-serif,
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 48px);
  color: #ffffff;
  transition:
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(24, 43, 59, 0.08);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 760;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 43px;
  height: 33px;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.brand-name {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 42px);
  font-size: 1.03rem;
  font-weight: 760;
}

.site-nav a,
.nav-action {
  opacity: 0.92;
}

.site-nav a:hover,
.nav-action:hover {
  opacity: 1;
}

.header-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.language-link {
  display: inline-grid;
  place-items: center;
  min-height: 38px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 780;
  opacity: 0.92;
}

.site-header.is-scrolled .language-link {
  border-color: rgba(33, 48, 68, 0.26);
}

.language-link:hover {
  opacity: 1;
}

.nav-action {
  justify-self: end;
  padding: 9px 16px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 760;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #ffffff;
  padding: 94px 0 104px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero::before {
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(52, 172, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52, 172, 255, 0.18) 1px, transparent 1px);
  background-size: 86px 86px;
  mask-image: linear-gradient(180deg, transparent 0%, #000000 18%, #000000 82%, transparent 100%);
}

.hero::after {
  opacity: 0.16;
  background-image: linear-gradient(
    180deg,
    transparent 0,
    transparent 6px,
    rgba(143, 215, 255, 0.42) 7px
  );
  background-size: 100% 7px;
}

.hero-image,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-image {
  background-image: url("./assets/tech-network-hero.png");
  background-position: center;
  background-size: cover;
}

.hero-scrim {
  background:
    radial-gradient(circle at 50% 43%, rgba(52, 172, 255, 0.2), transparent 28%),
    linear-gradient(180deg, rgba(5, 16, 31, 0.36), rgba(5, 16, 31, 0.78)),
    rgba(4, 14, 27, 0.18);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  opacity: 0.58;
  pointer-events: none;
  mix-blend-mode: screen;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  display: flex;
  justify-content: center;
  text-align: center;
}

.hero-content {
  position: relative;
  max-width: 980px;
  padding: 20px clamp(0px, 2vw, 24px);
}

.hero-content::before,
.hero-content::after {
  content: "";
  position: absolute;
  width: 96px;
  height: 96px;
  pointer-events: none;
  opacity: 0.72;
}

.hero-content::before {
  top: -8px;
  left: -8px;
  border-top: 1px solid rgba(134, 204, 255, 0.78);
  border-left: 1px solid rgba(134, 204, 255, 0.78);
}

.hero-content::after {
  right: -8px;
  bottom: -8px;
  border-right: 1px solid rgba(134, 204, 255, 0.64);
  border-bottom: 1px solid rgba(134, 204, 255, 0.64);
}

.eyebrow {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.78rem;
  font-weight: 840;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section .eyebrow,
.about .eyebrow,
.contact .eyebrow {
  color: var(--blue-strong);
}

.hero h1 {
  max-width: 1000px;
  margin: 0;
  font-size: clamp(3.1rem, 8vw, 7.8rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-shadow: 0 14px 36px rgba(0, 0, 0, 0.36);
}

.hero-tagline {
  margin: 18px 0 0;
  font-size: clamp(1.55rem, 3.1vw, 3rem);
  font-weight: 840;
  line-height: 1.05;
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
}

.hero-divider {
  display: block;
  width: 58px;
  height: 5px;
  margin: 26px auto 0;
  border-radius: 999px;
  background: #ffffff;
}

.hero-copy {
  max-width: 760px;
  margin: 24px auto 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 1.55vw, 1.16rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.hero-tech-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 840px;
  margin: 32px auto 0;
}

.hero-tech-grid div {
  min-height: 104px;
  padding: 14px 16px;
  text-align: left;
  border: 1px solid rgba(134, 204, 255, 0.28);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(52, 172, 255, 0.14), rgba(255, 255, 255, 0.04)),
    rgba(5, 18, 34, 0.48);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.hero-tech-grid span {
  display: block;
  color: #86ccff;
  font-size: 0.74rem;
  font-weight: 860;
  letter-spacing: 0.16em;
}

.hero-tech-grid strong {
  display: block;
  margin-top: 18px;
  color: #ffffff;
  font-size: 1rem;
  line-height: 1.1;
}

.hero-tech-grid small {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  line-height: 1.35;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
  font-weight: 780;
  transition:
    transform 160ms ease,
    background 160ms ease,
    color 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(180deg, #61b9ff, #37a7fb);
  border-color: #2c9ded;
  box-shadow: 0 8px 18px rgba(52, 172, 255, 0.28);
}

.button.primary:hover {
  background: linear-gradient(180deg, #45afff, #168ee6);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.66);
  background: rgba(255, 255, 255, 0.08);
}

.service-strip {
  margin-top: -72px;
  position: relative;
  z-index: 2;
  background: rgba(4, 17, 33, 0.74);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px);
}

.service-strip-inner {
  width: min(var(--max), calc(100% - 36px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  color: #d9ecfb;
  font-size: 0.78rem;
  font-weight: 840;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(60px, 8vw, 96px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(280px, 1fr);
  gap: clamp(24px, 6vw, 78px);
  align-items: end;
  margin-bottom: 30px;
}

.section-heading.compact {
  display: block;
  max-width: 700px;
}

.section-heading h2,
.about-copy h2,
.contact-intro h2 {
  margin: 0;
  color: #223042;
  font-size: clamp(2rem, 4.2vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading > p:not(.eyebrow),
.about-copy p,
.contact-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.service-card,
.work-card,
.team-panel,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  box-shadow: var(--soft-shadow);
}

.service-card,
.work-card {
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.service-card:hover,
.work-card:hover {
  border-color: rgba(52, 172, 255, 0.44);
  box-shadow: 0 20px 46px rgba(25, 55, 84, 0.14);
  transform: translateY(-2px);
}

.service-card {
  min-height: 268px;
  padding: 22px;
}

.proof-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.proof-card {
  min-height: 116px;
  padding: 20px;
  border: 1px solid rgba(52, 172, 255, 0.24);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(52, 172, 255, 0.1), rgba(255, 255, 255, 0.94)),
    #ffffff;
  box-shadow: var(--soft-shadow);
}

.proof-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--blue-deep);
  font-size: 0.78rem;
  font-weight: 840;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-card strong {
  display: block;
  color: #263241;
  font-size: 1.04rem;
  line-height: 1.25;
}

.builder {
  padding-top: 0;
}

.builder-shell {
  display: grid;
  grid-template-columns: minmax(240px, 0.36fr) minmax(320px, 1fr);
  gap: 18px;
  padding: 16px;
  border: 1px solid rgba(52, 172, 255, 0.2);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(7, 22, 37, 0.96), rgba(10, 42, 71, 0.94)),
    #071625;
  box-shadow: 0 22px 60px rgba(7, 22, 37, 0.16);
}

.builder-tabs {
  display: grid;
  gap: 10px;
}

.builder-tab {
  min-height: 56px;
  padding: 12px 14px;
  color: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  font: inherit;
  font-weight: 780;
  text-align: left;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.builder-tab:hover,
.builder-tab.is-active {
  color: #ffffff;
  border-color: rgba(52, 172, 255, 0.62);
  background:
    linear-gradient(135deg, rgba(52, 172, 255, 0.28), rgba(255, 255, 255, 0.08));
  transform: translateX(2px);
}

.builder-panel {
  position: relative;
  overflow: hidden;
  min-height: 330px;
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) minmax(260px, 1fr);
  gap: 28px;
  align-items: center;
  padding: clamp(22px, 4vw, 38px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background:
    radial-gradient(circle at 78% 18%, rgba(52, 172, 255, 0.24), transparent 26%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
}

.builder-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 34px 34px;
}

.builder-panel > * {
  position: relative;
  z-index: 1;
}

.panel-label {
  color: #86ccff;
  font-size: 0.78rem;
  font-weight: 840;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.builder-panel h3 {
  margin: 18px 0 14px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.builder-panel p {
  max-width: 500px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
}

.builder-details {
  display: grid;
  gap: 12px;
  margin: 0;
}

.builder-details div {
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 6px;
  background: rgba(5, 18, 34, 0.38);
}

.builder-details dt {
  margin-bottom: 7px;
  color: #86ccff;
  font-size: 0.76rem;
  font-weight: 840;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.builder-details dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.card-number {
  display: block;
  color: var(--blue-strong);
  font-size: 0.82rem;
  font-weight: 840;
  letter-spacing: 0.12em;
}

.service-card h3,
.work-card h3,
.timeline-item h3,
.team-panel h3 {
  margin: 28px 0 10px;
  color: #223042;
  font-size: 1.16rem;
  line-height: 1.1;
}

.service-card p,
.work-card p,
.timeline-item p,
.team-panel p {
  margin: 0;
  color: var(--muted);
}

.process {
  width: 100%;
  max-width: none;
  background: linear-gradient(180deg, #f7fbff, #eef6fc);
  padding-inline: max(18px, calc((100% - var(--max)) / 2));
}

.industry-band {
  position: relative;
  overflow: hidden;
  padding: clamp(62px, 8vw, 100px) max(18px, calc((100% - var(--max)) / 2));
  color: #ffffff;
  background:
    radial-gradient(circle at 20% 20%, rgba(52, 172, 255, 0.25), transparent 28%),
    linear-gradient(135deg, #071625, #0b2540 58%, #081a2e);
}

.industry-band::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 52px 52px;
}

.industry-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.industry-heading h2 {
  margin: 0;
  max-width: 520px;
  font-size: clamp(2rem, 4.2vw, 4.1rem);
  line-height: 1;
  letter-spacing: 0;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.industry-grid article {
  min-height: 190px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(8px);
}

.industry-grid span {
  color: #86ccff;
  font-size: 0.82rem;
  font-weight: 840;
  letter-spacing: 0.12em;
}

.industry-grid h3 {
  margin: 28px 0 10px;
  font-size: 1.14rem;
  line-height: 1.1;
}

.industry-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.timeline-item {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--soft-shadow);
}

.timeline-item span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #ffffff;
  border-radius: 4px;
  background: var(--blue);
  font-weight: 840;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.work-card {
  overflow: hidden;
}

.work-card div:not(.work-visual) {
  padding: 20px;
}

.work-card h3 {
  margin-top: 0;
}

.work-visual {
  height: 176px;
  border-bottom: 1px solid var(--line);
  background-color: #eef7ff;
  background-size: 26px 26px, cover;
}

.part-visual {
  background-image:
    linear-gradient(90deg, rgba(52, 172, 255, 0.13) 1px, transparent 1px),
    linear-gradient(0deg, rgba(52, 172, 255, 0.13) 1px, transparent 1px),
    radial-gradient(circle at 50% 48%, #d9e4ec 0 19%, transparent 20%),
    radial-gradient(circle at 50% 48%, #74869a 0 32%, transparent 33%);
}

.fixture-visual {
  background-image:
    linear-gradient(135deg, rgba(52, 172, 255, 0.22) 25%, transparent 25%),
    linear-gradient(225deg, rgba(37, 123, 196, 0.14) 25%, transparent 25%),
    linear-gradient(315deg, rgba(50, 180, 160, 0.12) 25%, transparent 25%),
    linear-gradient(45deg, rgba(35, 48, 66, 0.12) 25%, transparent 25%);
  background-size: 42px 42px;
}

.enclosure-visual {
  background-image:
    linear-gradient(90deg, rgba(35, 48, 66, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(35, 48, 66, 0.08) 1px, transparent 1px),
    linear-gradient(120deg, rgba(52, 172, 255, 0.34), rgba(255, 255, 255, 0.42));
}

.project-guide {
  padding-top: 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.guide-card,
.faq-grid details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--soft-shadow);
}

.guide-card {
  min-height: 300px;
  padding: 24px;
}

.guide-kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--blue-strong);
  font-size: 0.75rem;
  font-weight: 840;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.guide-card h3 {
  margin: 0;
  color: #263241;
  font-size: 1.18rem;
  line-height: 1.18;
}

.guide-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.guide-card li + li {
  margin-top: 10px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.faq-grid details {
  padding: 16px 18px;
}

.faq-grid summary {
  cursor: pointer;
  color: #223042;
  font-weight: 840;
}

.faq-grid p {
  margin: 10px 0 0;
  color: var(--muted);
}

.about {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1fr);
  gap: clamp(26px, 7vw, 90px);
  align-items: center;
}

.about-copy p {
  margin-top: 22px;
}

.team-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line);
}

.team-panel > div {
  min-height: 250px;
  padding: 26px;
  background: var(--paper);
}

.role-label {
  color: var(--blue-strong);
  font-size: 0.76rem;
  font-weight: 840;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact {
  width: 100%;
  max-width: none;
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(320px, 1fr);
  gap: clamp(28px, 7vw, 90px);
  padding-inline: max(18px, calc((100% - var(--max)) / 2));
  background: linear-gradient(135deg, #eef7ff, #ffffff 54%, #edf5fb);
}

.final-cta {
  width: min(var(--max), calc(100% - 36px));
  margin: clamp(58px, 8vw, 96px) auto;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: clamp(28px, 5vw, 46px);
  color: #ffffff;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(7, 22, 37, 0.92), rgba(11, 52, 86, 0.88)),
    url("./assets/tech-network-hero.png") center / cover;
  box-shadow: 0 22px 60px rgba(7, 22, 37, 0.18);
}

.final-cta h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 3.2rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.final-cta .eyebrow {
  color: #86ccff;
}

.contact-intro {
  align-self: start;
}

.contact-intro p {
  margin-top: 20px;
}

.contact-intro a {
  color: var(--blue-deep);
  font-weight: 800;
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  color: var(--muted);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(18px, 3vw, 28px);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: #314052;
  font-size: 0.9rem;
  font-weight: 760;
}

.contact-form .wide,
.submit-button,
.form-note {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid #d8e1ea;
  border-radius: 4px;
  padding: 10px 12px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(52, 172, 255, 0.18);
  border-color: var(--blue);
}

.submit-button {
  justify-self: start;
}

.form-note {
  min-height: 22px;
  margin: 0;
  color: var(--blue-deep);
  font-weight: 740;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 28px clamp(18px, 4vw, 48px);
  color: #d9e9f6;
  background: #071625;
}

.site-footer a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.portal-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #f4f8fc, #ffffff 42%, #eef6fc),
    #f6f9fc;
}

.portal-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 70px;
  padding: 12px clamp(16px, 4vw, 42px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(24, 43, 59, 0.07);
  backdrop-filter: blur(12px);
}

.portal-brand .brand-mark {
  color: var(--blue-deep);
}

.portal-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 38px);
  color: #3b4a5e;
  font-weight: 780;
}

.portal-nav a:hover {
  color: var(--blue-deep);
}

.portal-action {
  color: var(--ink);
}

.portal-shell {
  width: min(1420px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(28px, 4vw, 54px) 0 64px;
}

.portal-hero {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.portal-page .eyebrow {
  color: var(--blue-strong);
}

.portal-hero h1 {
  max-width: 760px;
  margin: 0;
  color: #1d2d40;
  font-size: clamp(2.2rem, 4.8vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.portal-hero p:not(.eyebrow) {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.portal-status {
  min-width: 240px;
  padding: 20px;
  color: #ffffff;
  border-radius: 8px;
  background:
    radial-gradient(circle at 90% 0%, rgba(52, 172, 255, 0.42), transparent 35%),
    linear-gradient(135deg, #071625, #0c3153);
  box-shadow: 0 18px 44px rgba(7, 22, 37, 0.18);
}

.portal-status span,
.portal-status small {
  display: block;
  color: rgba(255, 255, 255, 0.72);
}

.portal-status span {
  font-size: 0.76rem;
  font-weight: 860;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.portal-status strong {
  display: block;
  margin: 24px 0 5px;
  font-size: 1.35rem;
  line-height: 1.1;
}

.portal-grid {
  display: grid;
  grid-template-columns: 270px minmax(420px, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

.portal-panel,
.portal-preview-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--soft-shadow);
}

.portal-sidebar,
.portal-notes {
  padding: 18px;
}

.portal-sidebar {
  display: grid;
  gap: 24px;
  position: sticky;
  top: 88px;
}

.portal-label {
  margin: 0 0 10px;
  color: var(--blue-deep);
  font-size: 0.76rem;
  font-weight: 860;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.portal-switcher {
  display: grid;
  gap: 9px;
}

.portal-tab {
  min-height: 48px;
  padding: 10px 12px;
  color: #34465a;
  border: 1px solid #d8e3ec;
  border-radius: 6px;
  background: #f8fbfe;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-align: left;
}

.portal-tab:hover,
.portal-tab.is-active {
  color: #ffffff;
  border-color: #209ced;
  background: linear-gradient(135deg, #168ee6, #34acff);
}

.portal-checklist {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #4f5e70;
  font-size: 0.94rem;
}

.portal-checklist li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 9px;
  align-items: start;
}

.portal-checklist span {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1px solid rgba(52, 172, 255, 0.55);
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(52, 172, 255, 0.14), rgba(255, 255, 255, 0.9)),
    #ffffff;
}

.portal-links {
  display: grid;
  gap: 10px;
}

.portal-dark-button,
.portal-copy {
  color: var(--ink);
  border-color: #cbd8e4;
  background: #ffffff;
}

.portal-preview-panel {
  overflow: hidden;
  min-height: 760px;
}

.portal-preview-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  color: #395069;
  border-bottom: 1px solid var(--line);
  background: #f8fbfe;
}

.portal-preview-bar div {
  display: inline-flex;
  gap: 7px;
}

.portal-preview-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #cbd8e4;
}

.portal-preview-bar span:first-child {
  background: #66bdfa;
}

.portal-preview-panel iframe {
  display: block;
  width: 100%;
  height: 716px;
  border: 0;
  background: #ffffff;
}

.portal-notes {
  display: grid;
  gap: 18px;
}

.portal-notes-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.portal-notes h2 {
  margin: 0;
  color: #1d2d40;
  font-size: 1.65rem;
  line-height: 1.1;
}

.portal-clear,
.portal-note button {
  padding: 6px 9px;
  color: #5e6b7a;
  border: 1px solid #d8e3ec;
  border-radius: 4px;
  background: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 780;
}

.portal-note-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.portal-note-form label {
  display: grid;
  gap: 7px;
  color: #314052;
  font-size: 0.9rem;
  font-weight: 760;
}

.portal-note-form .wide,
.portal-note-form .form-note {
  grid-column: 1 / -1;
}

.portal-note-list {
  display: grid;
  gap: 10px;
  max-height: 360px;
  overflow: auto;
  padding-right: 4px;
}

.portal-empty {
  margin: 0;
  color: var(--muted);
}

.portal-note {
  display: grid;
  gap: 10px;
  padding: 13px;
  border: 1px solid #dfe8f0;
  border-radius: 6px;
  background: #f8fbfe;
}

.portal-note div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--blue-deep);
  font-size: 0.82rem;
  font-weight: 820;
}

.portal-note p {
  margin: 0;
  color: #334458;
}

.portal-note button {
  justify-self: start;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: 88svh;
  }

  .section-heading,
  .about,
  .contact,
  .industry-inner,
  .builder-shell,
  .builder-panel,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .timeline,
  .proof-row,
  .guide-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .builder-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .builder-tab {
    text-align: center;
  }

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

  .portal-topbar,
  .portal-hero,
  .portal-grid {
    grid-template-columns: 1fr;
  }

  .portal-nav {
    justify-content: start;
    order: 3;
    grid-column: 1 / -1;
  }

  .portal-sidebar {
    position: static;
  }

  .portal-preview-panel {
    min-height: 620px;
  }

  .portal-preview-panel iframe {
    height: 576px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 62px;
    padding: 10px 14px;
  }

  .brand-name {
    display: none;
  }

  .header-actions {
    gap: 7px;
  }

  .language-link,
  .nav-action {
    padding: 8px 10px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: 86svh;
    padding: 84px 0 54px;
  }

  .hero-inner {
    width: min(100% - 28px, var(--max));
  }

  .hero h1 {
    font-size: clamp(2.8rem, 17vw, 4.3rem);
  }

  .hero-content {
    padding: 0;
  }

  .hero-content::before,
  .hero-content::after {
    display: none;
  }

  .hero-tech-grid {
    display: none;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .service-strip {
    margin-top: 0;
  }

  .service-strip-inner {
    justify-content: flex-start;
    padding: 14px 0;
  }

  .section {
    width: min(100% - 28px, var(--max));
  }

  .service-grid,
  .timeline,
  .proof-row,
  .guide-grid,
  .faq-grid,
  .industry-grid,
  .builder-tabs,
  .team-panel,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .builder-shell {
    padding: 10px;
  }

  .builder-panel {
    min-height: auto;
    padding: 20px;
  }

  .service-card,
  .timeline-item {
    min-height: auto;
  }

  .contact {
    padding-inline: 14px;
  }

  .portal-shell {
    width: min(100% - 28px, 1420px);
    padding-top: 24px;
  }

  .portal-topbar {
    gap: 12px;
    padding: 10px 14px;
  }

  .portal-nav {
    gap: 18px;
    font-size: 0.92rem;
  }

  .portal-action {
    display: none;
  }

  .portal-hero h1 {
    font-size: clamp(2rem, 12vw, 3.2rem);
  }

  .portal-status {
    min-width: 0;
  }

  .portal-note-form {
    grid-template-columns: 1fr;
  }

  .portal-preview-panel {
    min-height: 560px;
  }

  .portal-preview-panel iframe {
    height: 516px;
  }
}