:root {
  --petrol: #123f43;
  --petrol-deep: #082e31;
  --petrol-black: #052427;
  --eucalyptus: #83bda2;
  --ivory: #f4f0e7;
  --ivory-soft: #dfe6df;
  --muted: #aec2bb;
  --line: rgba(244, 240, 231, 0.16);
  --line-strong: rgba(244, 240, 231, 0.29);
  --shell: min(1240px, calc(100% - 64px));
  --radius: 16px;
  --shadow: 0 30px 80px rgba(1, 21, 23, 0.32);
  font-family: Aptos, "Segoe UI", sans-serif;
  color: var(--ivory);
  background: var(--petrol-deep);
  font-synthesis: none;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
html { background: var(--petrol-deep); }
body { margin: 0; min-width: 320px; color: var(--ivory); background: var(--petrol-deep); }
body, button { font: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; }
p { line-height: 1.65; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.04em; text-wrap: balance; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 99; top: 12px; left: 12px; padding: 10px 14px; color: var(--petrol-deep); background: var(--ivory); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; z-index: 10; top: 0; padding: 10px 0; border-bottom: 1px solid var(--line); background: rgba(8, 46, 49, 0.9); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 58px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ivory); font-size: 1.02rem; font-weight: 600; letter-spacing: -0.02em; text-decoration: none; }
.brand img { flex: 0 0 auto; }
.desktop-nav { display: flex; align-items: center; gap: 2px; padding: 4px; border: 1px solid rgba(244, 240, 231, 0.08); border-radius: 10px; background: rgba(5, 36, 39, 0.58); }
.desktop-nav a { position: relative; padding: 9px 15px; border-radius: 7px; color: var(--ivory-soft); font-size: 0.86rem; font-weight: 450; text-decoration: none; transition: color 180ms ease, background 180ms ease; }
.desktop-nav a:hover { color: var(--ivory); background: rgba(244, 240, 231, 0.075); }
.header-link { justify-self: end; display: inline-flex; min-height: 40px; align-items: center; gap: 8px; padding: 0 15px; border: 1px solid var(--ivory); border-radius: 8px; color: var(--petrol-deep); background: var(--ivory); font-size: 0.82rem; font-weight: 600; text-decoration: none; transition: transform 180ms ease, background 180ms ease; }
.header-link:hover { transform: translateY(-1px); background: #fffdf7; }
.header-link span { color: var(--eucalyptus); transition: transform 180ms ease; }
.header-link:hover span { transform: translateX(3px); }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 23px; border: 1px solid var(--ivory); border-radius: 8px; color: var(--petrol-deep); background: var(--ivory); font-weight: 600; text-decoration: none; transition: transform 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); background: #fffdf7; }
.button-small { min-height: 40px; padding-inline: 17px; font-size: 0.85rem; }
.button:focus-visible, .text-link:focus-visible, .desktop-nav a:focus-visible, .brand:focus-visible, .application-media:focus-visible, button:focus-visible { outline: 3px solid var(--eucalyptus); outline-offset: 4px; }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--ivory); font-weight: 600; text-decoration: none; }
.text-link span { transition: transform 180ms ease; }
.text-link:hover span { transform: translateX(4px); }

.hero { display: grid; align-items: center; padding: clamp(72px, 8vw, 112px) 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(48px, 7vw, 96px); align-items: center; }
.hero-copy { max-width: 650px; }
.eyebrow { margin-bottom: 22px; color: var(--eucalyptus); font-size: 0.75rem; font-weight: 850; letter-spacing: 0.14em; text-transform: uppercase; }
.hero h1 { max-width: 12ch; margin-bottom: 28px; font-size: clamp(2.85rem, 4.45vw, 4.35rem); font-weight: 650; line-height: 1.02; }
.hero-text { max-width: 590px; margin-bottom: 34px; color: var(--ivory-soft); font-size: clamp(1rem, 1.4vw, 1.18rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; }
.hero-actions .text-link { min-height: 50px; padding: 0 20px; border: 1px solid var(--line-strong); border-radius: 8px; }
.hero-actions .text-link:hover { border-color: var(--ivory); }
.hero-media { margin: 0; }
.hero-media img { width: 100%; height: clamp(420px, 39vw, 530px); border-radius: var(--radius); object-fit: cover; object-position: 57% center; box-shadow: var(--shadow); filter: saturate(0.82) contrast(1.04); }
.hero-media figcaption { padding: 14px 2px 0; color: var(--muted); font-size: 0.82rem; }

.platform, .journey, .boundaries, .applications { padding: clamp(92px, 12vw, 168px) 0; }
.platform-intro { max-width: 920px; margin-bottom: clamp(52px, 7vw, 90px); }
.platform-intro h2, .journey h2, .boundaries h2, .applications h2 { margin-bottom: 25px; font-size: clamp(2.45rem, 4.4vw, 4.35rem); line-height: 1.02; }
.platform-intro > p:last-child, .journey-intro > p:last-child, .applications-heading > p:last-child { max-width: 720px; margin-bottom: 0; color: var(--muted); font-size: 1.05rem; }
.system-flow { margin-bottom: 18px; padding: clamp(28px, 4vw, 46px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--petrol-black); }
.flow-heading { display: grid; grid-template-columns: minmax(180px, 0.45fr) minmax(0, 1fr); gap: 40px; margin-bottom: 36px; }
.flow-heading > span { color: var(--ivory); font-size: 1.05rem; font-weight: 600; }
.flow-heading p { max-width: 620px; margin: 0; color: var(--muted); font-size: 0.93rem; }
.system-flow ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; }
.system-flow li { position: relative; display: grid; gap: 8px; padding-right: 38px; }
.system-flow li:not(:last-child)::after { content: "→"; position: absolute; top: 2px; right: 17px; color: var(--eucalyptus); }
.system-flow strong { font-size: 0.92rem; font-weight: 600; }
.system-flow li span { color: var(--muted); font-size: 0.79rem; line-height: 1.45; }
.platform-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.platform-feature { min-height: 300px; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(28px, 4vw, 48px); border: 1px solid var(--line); border-radius: var(--radius); background: rgba(244, 240, 231, 0.035); }
.platform-feature > span, .application-card > div > span { margin-bottom: auto; color: var(--eucalyptus); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.12em; text-transform: uppercase; }
.platform-feature h3 { max-width: 13ch; margin: 64px 0 13px; font-size: clamp(1.55rem, 2.35vw, 2.25rem); line-height: 1.06; }
.platform-feature p { max-width: 52ch; margin-bottom: 0; color: var(--muted); }
.feature-conversation, .feature-team { grid-column: span 7; }
.feature-schedule, .feature-register { grid-column: span 5; }
.feature-conversation { min-height: 390px; color: var(--petrol-black); background: var(--eucalyptus); }
.feature-conversation > span, .feature-conversation p { color: #164f47; }
.feature-schedule { background: var(--petrol); }
.feature-register { background: rgba(244, 240, 231, 0.075); }
.feature-team { min-height: 350px; background: var(--petrol-black); }

.journey { border-top: 1px solid var(--line); background: var(--petrol-black); }
.journey-layout { display: grid; grid-template-columns: minmax(300px, 0.8fr) minmax(480px, 1.2fr); gap: clamp(60px, 10vw, 150px); align-items: start; }
.journey-intro { position: sticky; top: 42px; }
.journey-list { margin: 0; padding: 0; list-style: none; }
.journey-list li { display: grid; grid-template-columns: 120px 1fr; gap: 26px; padding: 31px 0; border-top: 1px solid var(--line); }
.journey-list li:last-child { border-bottom: 1px solid var(--line); }
.journey-list li > span { color: var(--eucalyptus); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.journey-list strong { display: block; margin-bottom: 7px; font-size: 1.2rem; }
.journey-list p { margin-bottom: 0; color: var(--muted); }

.boundaries { border-top: 1px solid var(--line); }
.boundaries-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, 0.85fr); gap: clamp(60px, 9vw, 130px); align-items: start; }
.boundaries h2 { max-width: 12ch; margin-bottom: 0; }
.boundary-list p { display: grid; gap: 7px; margin: 0; padding: 24px 0; border-top: 1px solid var(--line); }
.boundary-list p:last-child { border-bottom: 1px solid var(--line); }
.boundary-list strong { font-size: 1.08rem; }
.boundary-list span { color: var(--muted); line-height: 1.55; }

.applications { border-top: 1px solid var(--line); background: var(--petrol); }
.applications-heading { max-width: 920px; margin-bottom: 52px; }
.applications-heading .eyebrow { grid-column: 1 / -1; }
.applications-heading h2 { margin-bottom: 22px; }
.application-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.application-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--petrol-deep); }
.application-card > div { min-height: 270px; display: flex; flex-direction: column; align-items: flex-start; padding: clamp(28px, 4vw, 44px); }
.application-card h3 { margin: 38px 0 12px; font-size: clamp(1.5rem, 2.25vw, 2.1rem); line-height: 1.08; }
.application-card p { margin-bottom: 27px; color: var(--muted); }
.application-card .text-link { margin-top: auto; }

.site-footer { padding: 70px 0 30px; color: var(--petrol-deep); background: var(--ivory); }
.footer-statement { padding-bottom: 62px; }
.footer-statement p { max-width: 730px; margin: 0; font-size: clamp(2.4rem, 4.5vw, 4.3rem); font-weight: 600; letter-spacing: -0.045em; line-height: 1.02; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 30px; align-items: end; padding-top: 28px; border-top: 1px solid rgba(8, 46, 49, 0.24); }
.footer-grid .brand { color: var(--petrol-deep); }
.footer-brand img { background: transparent; }
.footer-grid p { margin: 0; color: #426361; font-size: 0.85rem; }
.footer-grid p:last-child { display: flex; gap: 18px; }
.footer-grid a { text-underline-offset: 4px; }

.consent-banner { position: fixed; z-index: 50; right: 22px; bottom: 22px; width: min(620px, calc(100% - 44px)); display: grid; grid-template-columns: 1fr auto; gap: 25px; padding: 24px; border: 1px solid var(--line-strong); border-radius: 12px; color: var(--ivory); background: var(--petrol-black); box-shadow: var(--shadow); }
.consent-banner[hidden], .privacy-settings[hidden] { display: none; }
.consent-copy strong { font-size: 1.02rem; }
.consent-copy p { margin: 7px 0; color: var(--muted); font-size: 0.82rem; line-height: 1.5; }
.consent-copy a { color: var(--ivory); font-size: 0.79rem; }
.consent-actions { display: flex; flex-direction: column-reverse; gap: 8px; justify-content: center; }
.consent-button { min-height: 40px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 7px; cursor: pointer; font-size: 0.77rem; font-weight: 600; }
.consent-button-primary { color: var(--petrol-deep); background: var(--ivory); }
.consent-button-secondary { color: var(--ivory); background: transparent; }
.privacy-settings { position: fixed; z-index: 30; right: 18px; bottom: 14px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); background: var(--petrol-black); cursor: pointer; font-size: 0.68rem; }

@media (max-width: 900px) {
  :root { --shell: min(100% - 40px, 720px); }
  .desktop-nav { display: none; }
  .hero { min-height: auto; }
  .hero-grid, .journey-layout, .boundaries-layout { grid-template-columns: 1fr; }
  .hero-media img { height: 460px; min-height: 0; }
  .flow-heading { grid-template-columns: 1fr; gap: 12px; }
  .system-flow ol { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 0; }
  .system-flow li:nth-child(2)::after { content: none; }
  .feature-conversation, .feature-team, .feature-schedule, .feature-register { grid-column: span 6; min-height: 320px; }
  .journey-intro { position: static; }
  .applications-heading { gap: 0; }
  .applications-heading h2 { margin-bottom: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid p:last-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 32px); }
  .nav-wrap { min-height: 68px; }
  .header-link { display: none; }
  .hero { padding: 70px 0 80px; }
  .hero h1 { font-size: clamp(2.55rem, 12vw, 3.45rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-actions .button, .hero-actions .text-link { width: 100%; }
  .hero-media img { height: 370px; min-height: 0; }
  .hero-media figcaption { flex-direction: column; gap: 2px; }
  .platform, .journey, .boundaries, .applications { padding: 84px 0; }
  .system-flow { padding: 26px; }
  .system-flow ol { grid-template-columns: 1fr; gap: 0; }
  .system-flow li { padding: 18px 0; border-top: 1px solid var(--line); }
  .system-flow li:not(:last-child)::after { content: none; }
  .platform-grid, .application-grid { grid-template-columns: 1fr; }
  .feature-conversation, .feature-team, .feature-schedule, .feature-register { grid-column: auto; min-height: 280px; }
  .platform-feature h3 { margin-top: 48px; }
  .journey-list li { grid-template-columns: 1fr; gap: 11px; }
  .application-card > div { min-height: 275px; }
  .footer-statement { align-items: flex-start; flex-direction: column; }
  .footer-statement p { font-size: clamp(2.35rem, 13vw, 3.4rem); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid p:last-child { grid-column: auto; }
  .consent-banner { right: 12px; bottom: 12px; width: calc(100% - 24px); grid-template-columns: 1fr; gap: 15px; padding: 17px; }
  .consent-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .consent-button { padding-inline: 8px; }
}

@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; }
}

@media (max-width: 360px) {
  .consent-actions { grid-template-columns: 1fr; }
}

.error-view { min-height: 100svh; }
.error-nav { grid-template-columns: 1fr auto; }
.error-page { min-height: calc(100svh - 79px); display: grid; align-items: center; padding: 80px 0; }
.error-layout { max-width: 900px; }
.error-layout h1 { max-width: 13ch; margin-bottom: 24px; font-size: clamp(3rem, 6vw, 5.8rem); font-weight: 650; line-height: 0.98; }
.error-layout > p:not(.eyebrow) { max-width: 520px; margin-bottom: 32px; color: var(--muted); font-size: 1.05rem; }

@media (max-width: 640px) {
  .error-nav { grid-template-columns: 1fr; }
  .error-nav .header-link { display: none; }
  .error-layout h1 { font-size: clamp(2.7rem, 12vw, 3.7rem); }
}