:root {
  --bg: #eef2f7;
  --surface: #ffffff;
  --surface-alt: #f4f7fb;
  --surface-dark: #0f1f33;
  --surface-dark-2: #132842;
  --text: #102030;
  --text-muted: #55657a;
  --text-on-dark: #f4f8fc;
  --text-on-dark-muted: #aebbd0;
  --accent: #2fb2a3;
  --accent-strong: #239486;
  --accent-soft: rgba(47, 178, 163, 0.12);
  --line: rgba(16, 32, 48, 0.1);
  --line-strong: rgba(16, 32, 48, 0.18);
  --line-dark: rgba(255, 255, 255, 0.12);
  --shadow-lg: 0 28px 70px rgba(10, 24, 42, 0.16);
  --shadow-md: 0 18px 44px rgba(12, 26, 44, 0.1);
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5.5rem;
  --space-10: 7rem;
  --container: min(1160px, calc(100vw - 2rem));
  --header-height: 5.25rem;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua",
    Baskerville, Georgia, serif;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -4rem;
  z-index: 30;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--surface-dark);
  color: var(--text-on-dark);
}

.skip-link:focus {
  top: var(--space-4);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: var(--space-9) 0;
}

.section-shell {
  display: grid;
  gap: var(--space-7);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(15, 31, 51, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  min-width: 0;
}

.brand-mark {
  width: 2.7rem;
  height: 2.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, var(--accent), #59d0c3);
  color: #082026;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.brand-text {
  display: grid;
  min-width: 0;
}

.brand-name,
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.brand-name {
  color: var(--text-on-dark);
}

.brand-tagline {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-nav a {
  color: rgba(244, 248, 252, 0.84);
  transition: color 180ms ease, opacity 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: #ffffff;
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 1px;
  margin: 0.3rem auto;
  background: var(--text-on-dark);
  transition: transform 180ms ease, opacity 180ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.35rem;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), #5cd1c4);
  color: #082026;
  box-shadow: 0 12px 28px rgba(47, 178, 163, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
}

.button-secondary {
  border-color: rgba(16, 32, 48, 0.14);
  background: #ffffff;
  color: var(--text);
  box-shadow: var(--shadow-md);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: #f7fbfd;
}

.button-nav {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-on-dark);
}

.button-nav:hover,
.button-nav:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.button-full {
  width: 100%;
}

.hero {
  position: relative;
  overflow: clip;
  background:
    radial-gradient(circle at 12% 18%, rgba(47, 178, 163, 0.22), transparent 28%),
    radial-gradient(circle at 86% 22%, rgba(63, 104, 171, 0.24), transparent 30%),
    linear-gradient(180deg, #10233a 0%, #0b1829 100%);
  color: var(--text-on-dark);
  padding: calc(var(--space-8) + 1rem) 0 var(--space-9);
}

.hero-backdrop,
.hero-orb,
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 92%);
}

.hero-orb {
  filter: blur(26px);
}

.hero-orb-a {
  background: radial-gradient(circle, rgba(47, 178, 163, 0.24), transparent 56%);
  transform: translate(-15%, -18%);
}

.hero-orb-b {
  background: radial-gradient(circle, rgba(103, 132, 215, 0.24), transparent 52%);
  transform: translate(36%, 14%);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.92fr);
  gap: var(--space-7);
  align-items: center;
}

.hero-copy {
  max-width: 40rem;
}

.eyebrow,
.section-label,
.panel-kicker,
.service-kicker,
.solution-kicker,
.model-index {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  color: #91e0d6;
  margin-bottom: var(--space-3);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 500;
  max-width: 11.5ch;
}

.hero-summary {
  margin: var(--space-4) 0 0;
  max-width: 34rem;
  color: var(--text-on-dark-muted);
  font-size: clamp(1rem, 1.35vw, 1.08rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: var(--space-5);
}

.hero .button-secondary {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-on-dark);
  box-shadow: none;
}

.hero .button-secondary:hover,
.hero .button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.hero-note {
  margin: var(--space-4) 0 0;
  color: rgba(244, 248, 252, 0.76);
  font-size: 0.98rem;
}

.hero-panel {
  position: relative;
  z-index: 1;
  padding: clamp(1.35rem, 2vw, 2rem);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(8, 20, 35, 0.34);
  box-shadow: var(--shadow-lg);
}

.hero-panel-header {
  display: grid;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--line-dark);
}

.panel-kicker {
  color: #91e0d6;
}

.panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.7vw, 1.45rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.panel-stack {
  display: grid;
}

.panel-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--line-dark);
}

.panel-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.panel-index {
  color: #91e0d6;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-item h3 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  line-height: 1.2;
  font-weight: 600;
}

.panel-item p {
  margin: 0;
  color: var(--text-on-dark-muted);
}

.intro-band {
  padding: var(--space-8) 0;
  background: linear-gradient(180deg, #f7fafc 0%, #edf2f8 100%);
  border-bottom: 1px solid var(--line);
}

.intro-layout,
.about-layout,
.final-cta-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.88fr);
  gap: var(--space-7);
  align-items: start;
}

.section-heading {
  display: grid;
  gap: var(--space-3);
  max-width: 44rem;
}

.section-heading-wide {
  max-width: 56rem;
}

.section-label,
.service-kicker,
.solution-kicker,
.model-index {
  color: var(--accent-strong);
}

.section-heading h2,
.cta-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0;
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  color: var(--text);
}

.intro-points {
  display: grid;
  gap: var(--space-4);
  max-width: 32rem;
}

.text-link {
  color: var(--accent-strong);
  font-weight: 600;
}

.services-section {
  background: var(--surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.service-block,
.model-card,
.solution-band,
.consultation-form {
  border-radius: var(--radius-lg);
}

.service-block {
  padding: var(--space-6);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.service-block h3,
.model-card h3,
.solution-band h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.service-block p,
.model-card p,
.solution-band p,
.about-copy p,
.cta-copy p,
.footer-copy,
.cta-points li {
  margin: 0;
  color: var(--text-muted);
}

.work-model {
  background:
    linear-gradient(180deg, rgba(18, 39, 66, 0.02), rgba(18, 39, 66, 0.06)),
    var(--surface-alt);
}

.model-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.model-card {
  padding: var(--space-6);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.model-card-featured {
  background: linear-gradient(180deg, #15304c 0%, #11273e 100%);
  border-color: rgba(255, 255, 255, 0.06);
}

.model-card-featured h3,
.model-card-featured .model-index {
  color: var(--text-on-dark);
}

.model-card-featured p {
  color: var(--text-on-dark-muted);
}

.inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-md);
}

.inline-cta p {
  margin: 0;
  font-size: 1.02rem;
}

.solutions-section {
  background: linear-gradient(180deg, #eef3f8 0%, #f8fbfd 100%);
}

.solutions-layout {
  display: grid;
  gap: var(--space-5);
}

.solution-band {
  display: grid;
  grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-6);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-md);
}

.solution-head {
  display: grid;
  gap: var(--space-2);
}

.solution-band-subbrand {
  border-color: rgba(47, 178, 163, 0.26);
  background: linear-gradient(180deg, rgba(47, 178, 163, 0.08), rgba(255, 255, 255, 0.92));
}

.about-section {
  background: var(--surface);
}

.about-copy {
  display: grid;
  gap: var(--space-4);
  max-width: 34rem;
}

.final-cta {
  background:
    radial-gradient(circle at 15% 15%, rgba(47, 178, 163, 0.18), transparent 24%),
    linear-gradient(180deg, #11243c 0%, #0b1727 100%);
  color: var(--text-on-dark);
}

.cta-copy p {
  color: var(--text-on-dark-muted);
}

.cta-points {
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.cta-points li {
  position: relative;
  padding-left: 1.4rem;
  color: rgba(244, 248, 252, 0.82);
}

.cta-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--accent);
}

.consultation-form {
  padding: clamp(1.4rem, 2.8vw, 2rem);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
}

.field-row {
  display: grid;
  gap: 0.55rem;
}

.field-row label {
  color: var(--text);
  font-weight: 600;
}

.field-row input,
.field-row textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(16, 32, 48, 0.14);
  border-radius: var(--radius-md);
  background: #f9fbfd;
  color: var(--text);
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.field-row input::placeholder,
.field-row textarea::placeholder {
  color: rgba(85, 101, 122, 0.82);
}

.field-row input:focus-visible,
.field-row textarea:focus-visible {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 178, 163, 0.16);
  background: #ffffff;
}

.form-note {
  min-height: 1.5rem;
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.form-note[data-state="success"] {
  color: var(--accent-strong);
}

.form-note[data-state="error"] {
  color: #8a4639;
}

.site-footer {
  padding: var(--space-7) 0;
  background: #091321;
  color: var(--text-on-dark);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: var(--space-6);
}

.footer-copy {
  max-width: 35rem;
  color: var(--text-on-dark-muted);
  margin-top: var(--space-2);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-nav a {
  color: rgba(244, 248, 252, 0.78);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 480ms ease, transform 480ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-layout,
  .intro-layout,
  .about-layout,
  .final-cta-layout,
  .solution-band {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .model-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 40rem;
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100vw - 1.25rem, 1160px);
    --header-height: 4.5rem;
  }

  .section {
    padding: var(--space-7) 0;
  }

  .header-inner {
    position: relative;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: var(--space-3);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    background: rgba(11, 24, 41, 0.98);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.4rem);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav a {
    padding: 0.9rem 0.8rem;
    border-radius: var(--radius-sm);
  }

  .site-header.menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-header.menu-open .nav-toggle span:first-child {
    transform: translateY(0.4rem) rotate(45deg);
  }

  .site-header.menu-open .nav-toggle span:last-child {
    transform: translateY(-0.3rem) rotate(-45deg);
  }

  .hero {
    padding: calc(var(--space-7) + 0.25rem) 0 var(--space-7);
  }

  .hero h1 {
    max-width: none;
  }

  .hero-layout {
    gap: var(--space-5);
  }

  .hero-summary {
    margin-top: var(--space-3);
    max-width: 28rem;
  }

  .hero-actions {
    margin-top: var(--space-4);
  }

  .hero-note {
    display: none;
  }

  .hero-panel {
    padding: var(--space-5);
  }

  .panel-item {
    gap: var(--space-3);
    padding: var(--space-4) 0;
  }

  .service-block,
  .model-card,
  .solution-band,
  .consultation-form {
    padding: var(--space-5);
  }

  .hero-actions,
  .inline-cta,
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .inline-cta {
    padding: var(--space-5);
  }

  .site-nav .button-nav {
    margin-top: 0.4rem;
    justify-content: center;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}