:root {
  --bg: #080a0e;
  --bg-elevated: #0f1218;
  --bg-frost: rgba(255, 255, 255, 0.04);
  --ice: #9ec4d9;
  --ice-bright: #c8e4f0;
  --ice-dim: #5a7a8c;
  --accent: #7eb8d4;
  --text: #e8edf2;
  --text-muted: #7a8794;
  --border: rgba(158, 196, 217, 0.12);
  --border-bright: rgba(158, 196, 217, 0.28);
  --glow: rgba(126, 184, 212, 0.35);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --nav-height: 64px;
  --radius: 4px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

html.wheel-sections {
  scroll-behavior: auto;
}

html.snap-fallback {
  scroll-snap-type: y mandatory;
}

body.wheel-sections {
  overscroll-behavior-y: none;
}

body.is-section-scrolling {
  pointer-events: none;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.intro-active {
  overflow: hidden;
}

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

a {
  color: var(--ice);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

a:hover {
  color: var(--ice-bright);
}

.container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

/* Full-page scroll sections */
.snap-section {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.mission.snap-section,
.contact-section.snap-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.footer-links.snap-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-dots {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  list-style: none;
  margin: 0;
  padding: 0;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.section-dots.visible {
  opacity: 1;
}

.section-dots__item {
  margin: 0;
}

.section-dots__btn {
  display: block;
  width: 8px;
  height: 8px;
  padding: 0;
  border: 1px solid var(--border-bright);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s, border-color 0.3s;
}

.section-dots__btn:hover {
  border-color: var(--ice);
  transform: scale(1.2);
}

.section-dots__btn.active {
  background: var(--ice);
  border-color: var(--ice);
  transform: scale(1.15);
}

.section-dots__btn:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

/* Intro overlay */
.intro {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}

.intro.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro__inner {
  text-align: center;
}

.intro__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.intro__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 10vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0;
  color: var(--text);
}

.intro__bar {
  width: 120px;
  height: 1px;
  margin: 2rem auto 0;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.intro__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ice);
  transform: scaleX(0);
  transform-origin: left;
  animation: introLoad 1.8s var(--ease) forwards;
}

@keyframes introLoad {
  to { transform: scaleX(1); }
}

/* Chromatic text */
.chroma {
  position: relative;
  display: inline-block;
}

.chroma:hover {
  animation: chromaShift 0.4s steps(2) infinite;
}

@keyframes chromaShift {
  0% { text-shadow: -2px 0 #ff006e, 2px 0 #00d4ff; }
  50% { text-shadow: 2px 0 #ff006e, -2px 0 #00d4ff; }
  100% { text-shadow: -2px 0 #ff006e, 2px 0 #00d4ff; }
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), background 0.3s, backdrop-filter 0.3s;
}

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

.nav.scrolled {
  background: rgba(8, 10, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.nav__brand:hover {
  color: var(--ice);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
  cursor: pointer;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  display: block;
  padding: 0.4rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-radius: var(--radius);
  transition: color 0.3s, background 0.3s;
}

.nav__link:hover {
  color: var(--ice);
  background: var(--bg-frost);
}

.nav__link--classic {
  color: var(--ice-dim);
  border: 1px solid var(--border);
}

.nav__flags {
  display: flex;
  gap: 0.25rem;
  margin-left: 0.5rem;
}

.nav__flag {
  display: flex;
  padding: 0.3rem;
  border-radius: var(--radius);
  opacity: 0.6;
  transition: opacity 0.3s;
}

.nav__flag:hover,
.nav__flag.active {
  opacity: 1;
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 1px;
  width: 0%;
  background: linear-gradient(90deg, var(--ice-dim), var(--ice-bright));
  z-index: 101;
  transition: width 0.1s linear;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-height) + 4rem) 1.5rem 5rem;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(126, 184, 212, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(158, 196, 217, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, transparent 40%, var(--bg) 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ice-dim);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 7.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 2rem;
  color: var(--text);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 0 2.5rem;
  line-height: 1.75;
}

.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}

.hero__scroll:hover {
  color: var(--ice);
}

.hero__scroll-line {
  width: 48px;
  height: 1px;
  background: var(--border-bright);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ice);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

/* Mission */
.mission {
  padding: 8rem 0;
  border-top: 1px solid var(--border);
}

.mission__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.mission__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--ice-dim);
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.mission__text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}

.mission__text em {
  font-style: normal;
  color: var(--ice-dim);
}

/* Ice blocks / services */
.services {
  padding: 6rem 0 8rem;
}

.section-head {
  margin-bottom: 4rem;
}

.section-head__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ice-dim);
  display: block;
  margin-bottom: 1rem;
}

.section-head__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
}

.ice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ice-block {
  position: relative;
  padding: 2.5rem 2rem;
  background: var(--bg-frost);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.ice-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ice-dim), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.ice-block:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
}

.ice-block:hover::before {
  opacity: 1;
}

.ice-block__num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--ice-dim);
  margin-bottom: 1.5rem;
}

.ice-block__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.ice-block__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
}

.services__visual {
  margin-top: 5rem;
  display: flex;
  justify-content: center;
}

.services__visual img {
  max-width: min(640px, 90%);
  filter: drop-shadow(0 32px 64px rgba(0, 0, 0, 0.5));
  opacity: 0.9;
}

/* Partners */
.partners {
  padding: 8rem 0;
  border-top: 1px solid var(--border);
}

.partners.snap-section {
  min-height: 100vh;
  padding: calc(var(--nav-height) + 1.25rem) 0 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.partners.snap-section > .container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

.partners.snap-section .section-head {
  margin-bottom: 1.75rem;
}

.partners.snap-section .section-head__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

.partner-showcase {
  display: grid;
  gap: 3rem;
}

.partners.snap-section .partner-showcase {
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.partner-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
  transition: border-color 0.4s var(--ease);
}

.partners.snap-section .partner-panel,
.partners.snap-section .partner-panel--reverse {
  grid-template-columns: 1fr;
}

.partners.snap-section .partner-panel--reverse .partner-panel__media {
  order: 0;
}

.partner-panel:hover {
  border-color: var(--border-bright);
}

.partner-panel--reverse .partner-panel__media {
  order: 2;
}

.partner-panel__media {
  position: relative;
  min-height: 320px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.partners.snap-section .partner-panel__media {
  min-height: 0;
  height: clamp(96px, 14vh, 140px);
  padding: 0;
  background: #0a0c10;
}

.partner-panel__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(126, 184, 212, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.partner-panel__media img {
  width: 70%;
  max-height: 200px;
  object-fit: contain;
  filter: brightness(0.95);
}

.partners.snap-section .partner-panel__media img {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  object-fit: cover;
  object-position: center;
  filter: none;
}

.partner-panel__body {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.partners.snap-section .partner-panel__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.partner-panel__name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.partners.snap-section .partner-panel__name {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.partner-panel__name a {
  color: var(--text);
}

.partner-panel__name a:hover {
  color: var(--ice);
}

.partner-panel__desc {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  line-height: 1.75;
}

.partners.snap-section .partner-panel__desc {
  font-size: 0.82rem;
  line-height: 1.55;
  margin-bottom: 0.875rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.partner-panel__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ice);
}

.partners.snap-section .partner-panel__link {
  font-size: 0.65rem;
  margin-top: auto;
}

@media (max-height: 820px) and (min-width: 769px) {
  .partners.snap-section {
    padding-top: calc(var(--nav-height) + 0.75rem);
    padding-bottom: 1rem;
  }

  .partners.snap-section .section-head {
    margin-bottom: 1rem;
  }

  .partners.snap-section .partner-panel__media {
    height: clamp(72px, 10vh, 96px);
  }

  .partners.snap-section .partner-panel__body {
    padding: 1rem 1.25rem 1.25rem;
  }

  .partners.snap-section .partner-panel__desc {
    -webkit-line-clamp: 2;
  }
}

/* Contact */
.contact-section {
  position: relative;
  padding: 8rem 0;
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.contact-section__canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.4;
}

.contact-section__inner {
  position: relative;
  z-index: 1;
}

.contact-section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.contact-section__desc {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 0 3rem;
}

.contact-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: 520px;
}

.contact-form__input {
  flex: 1 1 240px;
  padding: 0.875rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-frost);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.3s;
}

.contact-form__input::placeholder {
  color: var(--text-muted);
}

.contact-form__input:focus {
  border-color: var(--border-bright);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ice);
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.3s;
}

.btn:hover {
  background: var(--ice);
  color: var(--bg);
  border-color: var(--ice);
  transform: translateY(-1px);
}

.btn--solid {
  background: var(--ice);
  color: var(--bg);
  border-color: var(--ice);
}

.btn--solid:hover {
  background: var(--ice-bright);
  border-color: var(--ice-bright);
  color: var(--bg);
}

/* Footer links / particles */
.footer-links {
  position: relative;
  padding: 6rem 0 4rem;
  border-top: 1px solid var(--border);
  min-height: 420px;
}

.footer-links__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.footer-links__inner {
  position: relative;
  z-index: 1;
}

.footer-links__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ice-dim);
  margin-bottom: 2rem;
}

.footer-links__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.footer-link {
  display: block;
  padding: 1.25rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(8, 10, 14, 0.6);
  backdrop-filter: blur(8px);
  text-align: center;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

.footer-link:hover {
  border-color: var(--border-bright);
  background: rgba(126, 184, 212, 0.08);
  transform: translateY(-2px);
  color: var(--ice-bright);
}

.footer-link__icon {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  display: block;
  color: var(--ice-dim);
}

.footer-link:hover .footer-link__icon {
  color: var(--ice);
}

.footer-link__name {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.contact-card {
  display: block;
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-frost);
  text-align: center;
  color: inherit;
  transition: border-color 0.3s, transform 0.3s;
}

.contact-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
  color: inherit;
}

.contact-card__icon {
  font-size: 1.25rem;
  color: var(--ice-dim);
  margin-bottom: 0.75rem;
}

.contact-card__title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  color: var(--text-muted);
}

.contact-card__text {
  font-size: 0.9rem;
  margin: 0;
  color: var(--text);
}

.footer {
  padding: 2rem 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 960px) {
  .mission__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mission__index {
    position: static;
  }

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

  .partners.snap-section .partner-showcase {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .partner-panel,
  .partner-panel--reverse {
    grid-template-columns: 1fr;
  }

  .partner-panel--reverse .partner-panel__media {
    order: 0;
  }

  .footer-links__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-inline: auto;
  }
}

@media (max-width: 768px) {
  .section-dots {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav__menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(8, 10, 14, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--ease), opacity 0.4s;
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__flags {
    margin-left: 0;
    justify-content: center;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
  }

  .hero {
    align-items: center;
    text-align: center;
  }

  .hero__subtitle {
    margin-inline: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.wheel-sections {
    scroll-behavior: smooth;
  }

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

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