:root {
  --bg: #f7f6f2;
  --bg-soft: #eff5fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-solid: #ffffff;
  --surface-alt: #eef6ff;
  --ink: #182030;
  --ink-soft: #526073;
  --line: rgba(24, 32, 48, 0.09);
  --brand: #167c82;
  --brand-2: #4e72ef;
  --brand-3: #ef9e6c;
  --shadow: 0 24px 60px rgba(27, 42, 79, 0.08);
  --shadow-soft: 0 12px 32px rgba(27, 42, 79, 0.08);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --wrap: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Geist", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(78, 114, 239, 0.14), transparent 0 28%),
    radial-gradient(circle at 85% 12%, rgba(22, 124, 130, 0.12), transparent 0 22%),
    linear-gradient(180deg, #fcfbf8 0%, #f7f6f2 48%, #f4f7fb 100%);
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    linear-gradient(rgba(24, 32, 48, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 32, 48, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 88%);
}

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

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

:focus-visible {
  outline: 3px solid rgba(78, 114, 239, 0.5);
  outline-offset: 3px;
  border-radius: 12px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 16px;
  z-index: 100;
  padding: 12px 14px;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.skip-link:focus {
  left: 16px;
}

.container {
  width: min(var(--wrap), calc(100% - 32px));
  margin: 0 auto;
}

.page-shell {
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(247, 246, 242, 0.84);
  border-bottom: 1px solid rgba(24, 32, 48, 0.06);
}

.topbar {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.85), transparent 0 36%),
    linear-gradient(135deg, #4e72ef, #1ea6a8 70%, #f3ba86);
  color: #ffffff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: var(--shadow-soft);
}

.brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-copy strong {
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-copy span {
  color: var(--ink-soft);
  font-size: 0.83rem;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.desktop-nav a,
.mobile-panel a,
.footer-links a {
  transition: color 180ms ease, background 180ms ease;
}

.desktop-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

.desktop-nav a:hover,
.footer-links a:hover,
.contact-link:hover {
  color: var(--brand-2);
}

.menu-button {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  min-height: 46px;
  padding: 0 16px;
  border-radius: 14px;
  font: inherit;
  font-weight: 700;
}

.mobile-nav {
  display: none;
  padding-bottom: 18px;
}

.mobile-nav.open {
  display: block;
}

.mobile-panel {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.mobile-panel a {
  padding: 10px 4px;
  color: var(--ink-soft);
  border-bottom: 1px solid rgba(24, 32, 48, 0.06);
}

.mobile-panel a:last-child {
  border-bottom: 0;
}

.hero-section {
  padding: 44px 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 26px;
  align-items: center;
}

.hero-copy,
.hero-visual,
.principle-card,
.feature-card,
.proof-card,
.next-card,
.contact-panel {
  position: relative;
}

.quick-card,
.principle-card,
.feature-card,
.proof-card,
.next-card,
.contact-panel,
.contact-details {
  display: flex;
  flex-direction: column;
}

.hero-copy {
  padding: 18px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
  background: rgba(22, 124, 130, 0.08);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--brand);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Geist", "Segoe UI", sans-serif;
  line-height: 1.02;
  letter-spacing: -0.06em;
  font-weight: 700;
}

h3 {
  line-height: 1.12;
  letter-spacing: -0.05em;
}

h1 {
  margin-top: 20px;
  max-width: 10.5ch;
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
}

h1 span {
  color: var(--brand-2);
  display: inline-block;
}

.hero-lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(1.04rem, 2vw, 1.26rem);
  color: #304056;
  letter-spacing: -0.02em;
}

.hero-text {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--ink-soft);
  letter-spacing: -0.01em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, #4e72ef, #1ea6a8);
  box-shadow: 0 18px 34px rgba(78, 114, 239, 0.22);
}

.button.secondary {
  color: var(--ink);
  background: #ffffff;
  border: 1px solid rgba(24, 32, 48, 0.08);
  box-shadow: var(--shadow-soft);
}

.button.ghost {
  color: var(--brand);
  background: rgba(22, 124, 130, 0.08);
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.quick-card,
.principle-card,
.feature-card,
.proof-card,
.next-card,
.contact-panel {
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(24, 32, 48, 0.06);
  box-shadow: var(--shadow-soft);
}

.quick-card {
  padding: 18px;
}

.quick-card span,
.kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}

.quick-card strong {
  font-size: 0.98rem;
  line-height: 1.4;
  letter-spacing: -0.03em;
}

.hero-visual {
  padding: 8px;
  display: grid;
  gap: 16px;
}

.visual-panel {
  position: relative;
  min-height: 100%;
  padding: 24px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 16%, rgba(78, 114, 239, 0.12), transparent 0 32%),
    radial-gradient(circle at 84% 14%, rgba(22, 124, 130, 0.14), transparent 0 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(238, 246, 255, 0.98));
  border: 1px solid rgba(24, 32, 48, 0.06);
  box-shadow: var(--shadow);
}

.visual-panel img {
  width: 100%;
  height: auto;
}

.visual-badge {
  position: absolute;
  max-width: 235px;
  padding: 15px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(24, 32, 48, 0.06);
  box-shadow: var(--shadow-soft);
}

.visual-badge span {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.visual-badge strong {
  font-size: 0.96rem;
  line-height: 1.35;
}

.badge-top {
  top: 28px;
  right: 24px;
}

.badge-middle {
  bottom: 148px;
  left: 24px;
}

.badge-bottom {
  bottom: 30px;
  right: 34px;
}

.visual-support-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(24, 32, 48, 0.06);
  box-shadow: var(--shadow-soft);
}

.visual-support-copy span {
  display: block;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.visual-support-copy strong {
  display: block;
  font-size: 1rem;
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.visual-support-image {
  width: 100%;
  max-height: 140px;
  object-fit: contain;
}

.section {
  padding: 34px 0;
}

.section-soft {
  padding-top: 22px;
}

.section-head {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
  max-width: 780px;
}

.section-head h2 {
  font-size: clamp(1.85rem, 4vw, 3rem);
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
}

.principle-grid,
.next-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.principle-card,
.next-card {
  padding: 24px;
  height: 100%;
}

.principle-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
}

.principle-card h3,
.feature-card h3,
.proof-card h3,
.next-card h3,
.contact-details h3 {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.principle-card p,
.feature-card p,
.proof-card p,
.next-card p,
.contact-copy p,
.contact-details p {
  margin: 12px 0 0;
  color: var(--ink-soft);
}

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

.feature-card {
  padding: 24px;
  min-height: 100%;
}

.feature-card-large {
  min-height: 100%;
}

.feature-card-accent {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(240, 247, 255, 0.98));
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.proof-card {
  padding: 24px;
  min-height: 100%;
}

.proof-art {
  width: 100%;
  max-height: 230px;
  object-fit: contain;
  margin-bottom: 18px;
}

.proof-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.proof-list li,
.contact-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
}

.proof-list li::before,
.contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, #4e72ef, #1ea6a8);
  transform: translateY(-50%);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tag-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(78, 114, 239, 0.08);
  color: #30507c;
  font-size: 0.9rem;
}

.section-pattern {
  position: relative;
}

.section-pattern::before {
  content: "";
  position: absolute;
  inset: 12px 0 auto;
  height: 420px;
  pointer-events: none;
  background: url("/assets/images/signal-map.svg") center top / min(1120px, calc(100% - 64px)) no-repeat;
  opacity: 0.18;
}

.section-pattern .container {
  position: relative;
}

.next-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.section-contact {
  padding-bottom: 54px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.95fr);
  gap: 20px;
  align-items: start;
}

.contact-copy h2 {
  margin-top: 16px;
  font-size: clamp(1.95rem, 4.2vw, 3.1rem);
}

.contact-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.contact-panel {
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(239, 245, 251, 0.98));
}

.contact-art {
  width: 100%;
  height: auto;
  border-bottom: 1px solid rgba(24, 32, 48, 0.06);
}

.contact-details {
  padding: 24px;
}

.contact-link {
  display: block;
  margin-top: 14px;
  color: var(--brand-2);
  font-weight: 700;
}

.site-footer {
  padding: 18px 0 46px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  color: var(--ink-soft);
  border-top: 1px solid rgba(24, 32, 48, 0.08);
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 1100px) {
  .hero-grid,
  .proof-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 860px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero-section {
    padding-top: 28px;
  }

  .quick-grid,
  .next-grid {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 720px) {
  .container {
    width: min(var(--wrap), calc(100% - 22px));
  }

  .topbar {
    min-height: 72px;
  }

  h1 {
    max-width: 9.5ch;
    font-size: clamp(2.2rem, 12vw, 3.4rem);
  }

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

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

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .visual-badge {
    position: static;
    max-width: none;
    margin-top: 12px;
  }

  .visual-panel {
    min-height: auto;
  }

  .visual-support-card {
    grid-template-columns: 1fr;
  }

  .proof-card,
  .principle-card,
  .feature-card,
  .next-card,
  .contact-details {
    padding: 20px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@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;
    scroll-behavior: auto !important;
  }

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