:root {
  --navy: #002d54;
  --navy-deep: #001a33;
  --navy-mid: #0a3d6b;
  --cyan: #1aa6b7;
  --cyan-bright: #3ec6d8;
  --sky: #5eb8e8;
  --ink: #0c1f33;
  --muted: #5a6f84;
  --line: rgba(0, 45, 84, 0.12);
  --surface: #f4f8fb;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #002d54 0%, #0a5f8a 48%, #1aa6b7 100%);
  --font-display: "Sora", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --radius: 4px;
  --shadow-soft: 0 24px 60px rgba(0, 29, 54, 0.12);
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
.brand-name,
.eyebrow,
.hero-brand {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.35rem, 5.5vw, 4.25rem);
  font-weight: 700;
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 650;
  max-width: 22ch;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin: 0 0 1rem;
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 29, 54, 0.06);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 8px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy);
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy-mid);
  position: relative;
  transition: color 0.2s ease;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.site-nav a:not(.nav-cta):hover {
  color: var(--navy);
}

.site-nav a:not(.nav-cta):hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  background: var(--gradient);
  color: var(--white) !important;
  box-shadow: 0 10px 24px rgba(26, 166, 183, 0.28);
}

.nav-cta:hover {
  filter: brightness(1.05);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--navy);
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s ease;
}

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

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 14px 30px rgba(26, 166, 183, 0.3);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-full {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  padding: calc(var(--header-h) + 2rem) 0 5rem;
  color: var(--white);
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 15% 10%, rgba(94, 184, 232, 0.35), transparent 55%),
    radial-gradient(ellipse 70% 50% at 85% 20%, rgba(26, 166, 183, 0.28), transparent 50%),
    linear-gradient(160deg, #001224 0%, #002d54 42%, #014a6e 78%, #02607a 100%);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent 75%);
  animation: gridDrift 28s linear infinite;
}

.hero-glow {
  position: absolute;
  width: 55vw;
  height: 55vw;
  max-width: 720px;
  max-height: 720px;
  right: -8%;
  top: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62, 198, 216, 0.35), transparent 68%);
  filter: blur(10px);
  animation: pulseGlow 7s ease-in-out infinite alternate;
}

.hero-code {
  position: absolute;
  left: 6%;
  top: 22%;
  margin: 0;
  padding: 1.25rem 1.4rem;
  max-width: min(420px, 42vw);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(0, 18, 36, 0.45);
  color: rgba(190, 230, 245, 0.72);
  font-family: "Source Sans 3", ui-monospace, monospace;
  font-size: clamp(0.72rem, 1.3vw, 0.9rem);
  line-height: 1.55;
  white-space: pre-wrap;
  backdrop-filter: blur(8px);
  opacity: 0.85;
  animation: floatCode 9s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 8vh;
}

.hero-brand {
  display: grid;
  gap: 0.35rem;
  margin: 0 0 1.35rem;
  animation: riseIn 0.8s var(--ease) both;
}

.hero-brand-main {
  font-size: clamp(1.55rem, 4.2vw, 2.85rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--white);
  text-shadow: 0 0 40px rgba(62, 198, 216, 0.35);
}

.hero-brand-sub {
  font-size: clamp(0.72rem, 1.3vw, 0.88rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan-bright);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.1rem;
  font-size: clamp(1.65rem, 3.4vw, 2.55rem);
  font-weight: 600;
  max-width: 22ch;
  animation: riseIn 0.9s 0.08s var(--ease) both;
}

.hero-lead {
  max-width: 36rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(232, 244, 250, 0.88);
  margin-bottom: 2rem;
  animation: riseIn 0.9s 0.12s var(--ease) both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: riseIn 0.9s 0.22s var(--ease) both;
}

/* Trust strip */
.trust-strip {
  background: var(--navy-deep);
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.85rem 1.5rem;
  padding: 1.1rem 0;
  color: rgba(232, 244, 250, 0.78);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.trust-inner span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.7;
}

/* Sections */
.section {
  padding: clamp(4.5rem, 9vw, 7rem) 0;
}

.section-intro {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.section-copy {
  max-width: 40rem;
  color: var(--muted);
  margin: 0;
}

/* Shared interactive bits */
.accordion-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--line);
  position: relative;
  transition: transform 0.3s var(--ease), border-color 0.2s ease, background 0.2s ease;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--navy);
  transition: transform 0.3s var(--ease), opacity 0.2s ease;
}

.accordion-icon::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.accordion-icon::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.is-open > .accordion-trigger .accordion-icon,
.is-open > .model-trigger .accordion-icon,
.is-open > .why-trigger .accordion-icon,
.is-open > .faq-trigger .accordion-icon {
  background: rgba(26, 166, 183, 0.12);
  border-color: rgba(26, 166, 183, 0.35);
  transform: rotate(45deg);
}

.check-list {
  display: grid;
  gap: 0.55rem;
}

.check-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--navy-mid);
  font-size: 0.98rem;
  font-weight: 550;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gradient);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.25rem 0 1.35rem;
}

.detail-grid h4 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.text-link {
  display: inline-flex;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--navy);
  border-bottom: 1px solid rgba(26, 166, 183, 0.5);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.text-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.1rem;
}

.pill-list li {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-mid);
  background: rgba(255, 255, 255, 0.65);
}

/* Services accordion */
.services {
  background: linear-gradient(180deg, var(--surface) 0%, var(--white) 100%);
}

.accordion {
  border-top: 1px solid var(--line);
}

.accordion-item {
  border-bottom: 1px solid var(--line);
}

.accordion-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.35rem 0.25rem;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: background 0.2s ease;
}

.accordion-trigger:hover {
  background: rgba(26, 166, 183, 0.04);
}

.service-index {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cyan);
}

.accordion-title-wrap {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.accordion-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--navy);
}

.accordion-hint {
  font-size: 0.9rem;
  color: var(--muted);
}

.accordion-panel {
  display: none;
  padding: 0 0.25rem 1.5rem 4.5rem;
  color: var(--muted);
  max-width: 58rem;
}

.accordion-item.is-open .accordion-panel {
  display: block;
  animation: panelIn 0.35s var(--ease);
}

/* Solutions tabs */
.solutions {
  background: var(--white);
}

.tabs {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fbfd, var(--white));
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.75rem;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 248, 251, 0.9);
}

.tab-btn {
  border: 0;
  background: transparent;
  color: var(--navy-mid);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 650;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.tab-btn:hover {
  background: rgba(26, 166, 183, 0.1);
}

.tab-btn.is-active {
  background: var(--gradient);
  color: var(--white);
}

.tab-panels {
  padding: clamp(1.35rem, 3vw, 2rem);
}

.tab-panel h3 {
  margin-bottom: 0.65rem;
}

.tab-panel p {
  color: var(--muted);
  max-width: 48rem;
}

/* Process interactive */
.process {
  background: var(--navy-deep);
  color: rgba(232, 244, 250, 0.88);
}

.process .eyebrow {
  color: var(--cyan-bright);
}

.process h2,
.process h3,
.process h4 {
  color: var(--white);
}

.process .section-copy {
  color: rgba(198, 220, 232, 0.78);
}

.process-interactive {
  display: grid;
  gap: 1.25rem;
}

.process-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.55rem;
}

.process-nav-btn {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(232, 244, 250, 0.78);
  border-radius: 12px;
  padding: 0.95rem 0.75rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 650;
  text-align: left;
  display: grid;
  gap: 0.35rem;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease);
}

.process-nav-btn span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan-bright);
}

.process-nav-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(62, 198, 216, 0.45);
}

.process-nav-btn.is-active {
  background: linear-gradient(160deg, rgba(26, 166, 183, 0.28), rgba(0, 45, 84, 0.35));
  border-color: rgba(62, 198, 216, 0.55);
  color: var(--white);
}

.process-detail {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: clamp(1.25rem, 3vw, 1.85rem);
  background: rgba(0, 18, 36, 0.35);
}

.process-panel p {
  color: rgba(198, 220, 232, 0.78);
}

.process .check-list li {
  color: rgba(220, 236, 245, 0.88);
}

.process .check-list li::before {
  background: var(--cyan-bright);
}

.process .detail-grid h4 {
  color: var(--cyan-bright);
}

/* Engagement models */
.models {
  background: var(--surface);
}

.model-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.model-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.model-item.is-open {
  border-color: rgba(26, 166, 183, 0.35);
  box-shadow: 0 16px 40px rgba(0, 29, 54, 0.08);
}

.model-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.2rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--navy);
  text-align: left;
}

.model-panel {
  display: none;
  padding: 0 1.2rem 1.2rem;
  color: var(--muted);
}

.model-item.is-open .model-panel {
  display: block;
  animation: panelIn 0.35s var(--ease);
}

/* Tech interactive */
.tech {
  background: var(--white);
}

.tech-interactive {
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--navy), var(--cyan)) 1;
  padding-top: 1.5rem;
}

.tech-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.35rem;
}

.tech-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--navy-mid);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 650;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease);
}

.tech-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(26, 166, 183, 0.4);
}

.tech-btn.is-active {
  background: var(--gradient);
  border-color: transparent;
  color: var(--white);
}

.tech-panel h3 {
  margin-bottom: 0.55rem;
}

.tech-panel p {
  color: var(--muted);
  max-width: 48rem;
}

/* Why accordion */
.why {
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(26, 166, 183, 0.1), transparent 55%),
    var(--surface);
}

.why-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.why-accordion {
  display: grid;
  gap: 0.65rem;
}

.why-item {
  border-bottom: 1px solid var(--line);
}

.why-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.why-trigger strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--navy);
}

.why-panel {
  display: none;
  padding: 0 0 1.1rem;
  color: var(--muted);
}

.why-item.is-open .why-panel {
  display: block;
  animation: panelIn 0.35s var(--ease);
}

/* FAQ */
.faq {
  background: linear-gradient(180deg, var(--white), var(--surface));
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0.15rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
}

.faq-trigger:hover {
  color: var(--navy-mid);
}

.faq-panel {
  display: none;
  padding: 0 2.5rem 1.25rem 0;
  color: var(--muted);
  max-width: 52rem;
}

.faq-item.is-open .faq-panel {
  display: block;
  animation: panelIn 0.35s var(--ease);
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* About */
.about {
  background: var(--white);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-visual {
  display: grid;
  place-items: center;
  min-height: 320px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 30% 25%, rgba(94, 184, 232, 0.35), transparent 45%),
    radial-gradient(circle at 70% 70%, rgba(26, 166, 183, 0.25), transparent 50%),
    linear-gradient(160deg, #e8f4fa, #d6ecf5);
  position: relative;
  overflow: hidden;
}

.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 45, 84, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 45, 84, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.about-logo {
  position: relative;
  width: min(240px, 70%);
  height: auto;
  filter: drop-shadow(0 18px 30px rgba(0, 45, 84, 0.18));
  animation: floatCode 8s ease-in-out infinite;
}

.about-copy p {
  color: var(--muted);
}

.about-address {
  margin-top: 1.5rem;
  font-style: normal;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.55;
  padding-left: 1rem;
  border-left: 3px solid var(--cyan);
}

/* Contact */
.contact {
  background:
    linear-gradient(180deg, var(--surface), #eaf3f8);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 1.1rem;
  margin-top: 2rem;
}

.contact-details p {
  margin: 0;
  display: grid;
  gap: 0.25rem;
  color: var(--navy);
  font-weight: 600;
}

.contact-details span {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.contact-details a {
  color: var(--navy-mid);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-form {
  background: var(--white);
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
}

.form-row {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-row label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 0.95rem;
  font: inherit;
  color: var(--ink);
  background: #fbfcfd;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(26, 166, 183, 0.18);
}

.form-status {
  margin: 0.85rem 0 0;
  min-height: 1.4em;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cyan);
}

.form-status.is-error {
  color: #b42318;
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: rgba(232, 244, 250, 0.78);
  padding: 2.5rem 0;
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
}

.footer-brand strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.footer-brand p {
  margin: 0.15rem 0 0;
  font-size: 0.88rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-nav a {
  font-weight: 600;
  color: rgba(232, 244, 250, 0.85);
}

.footer-nav a:hover {
  color: var(--cyan-bright);
}

.footer-copy {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(198, 220, 232, 0.55);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.25rem;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes floatCode {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulseGlow {
  from {
    opacity: 0.65;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1.05);
  }
}

@keyframes gridDrift {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(56px);
  }
}

/* Responsive */
@media (max-width: 980px) {
  .why-grid,
  .about-layout,
  .contact-layout,
  .detail-grid,
  .model-grid,
  .process-nav {
    grid-template-columns: 1fr;
  }

  .accordion-panel {
    padding-left: 0.25rem;
  }

  .hero-code {
    display: none;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.25rem 1.25rem;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 40px rgba(0, 29, 54, 0.1);
  }

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

  .site-nav a {
    padding: 0.9rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border-bottom: 0;
  }

  .accordion-trigger {
    grid-template-columns: 2.6rem 1fr auto;
    gap: 0.75rem;
  }

  .hero {
    align-items: center;
    padding-bottom: 4rem;
  }

  .hero-content {
    padding-top: 2rem;
  }

  .hero-brand-main {
    letter-spacing: 0.02em;
  }

  .process-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.65rem;
  }

  .process-nav-btn span {
    display: inline;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(1120px, calc(100% - 1.5rem));
  }

  .brand-text {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .trust-inner span {
    display: none;
  }

  .tab-btn {
    flex: 1 1 calc(50% - 0.35rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}