/* Components & layout — Arctic Tech theme */

body {
  background:
    radial-gradient(ellipse 100% 60% at 0% 0%, rgba(59, 158, 255, 0.08), transparent 50%),
    radial-gradient(ellipse 80% 50% at 100% 10%, rgba(52, 211, 153, 0.06), transparent 45%),
    var(--bg);
  min-height: 100vh;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s, backdrop-filter 0.3s;
}

.site-header.is-scrolled {
  background: rgba(11, 17, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary-ink);
  box-shadow: 0 4px 16px var(--glow-blue);
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.nav__list {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
  align-items: center;
}

.nav__list a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.nav__list a:hover {
  color: var(--text);
  background: var(--surface);
}

.nav__list .btn--primary {
  margin-left: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* ── Hero ── */
.hero-split {
  position: relative;
  padding-block: clamp(3rem, 8vw, 6rem);
  overflow: hidden;
}

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

.hero-split__content {
  display: grid;
  gap: 1.5rem;
}

.hero-split__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding: 0.4rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.hero-split__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--glow-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-split__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw + 0.5rem, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0;
}

.hero-split__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-split__lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 48ch;
  margin: 0;
}

.hero-split__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.hero-split__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

.hero-split__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.hero-split__stat span {
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-split__visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 480px;
  margin-inline: auto;
}

.hero-split__visual-inner {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}

.hero-split__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 158, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 158, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-split__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}

.hero-split__orb--1 {
  width: 60%;
  height: 60%;
  top: 10%;
  left: 10%;
  background: rgba(59, 158, 255, 0.25);
  animation: orb-float 8s ease-in-out infinite;
}

.hero-split__orb--2 {
  width: 45%;
  height: 45%;
  bottom: 15%;
  right: 10%;
  background: rgba(52, 211, 153, 0.2);
  animation: orb-float 10s ease-in-out infinite reverse;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(12px, -16px); }
}

.hero-split__card-float {
  position: absolute;
  background: rgba(22, 31, 43, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}

.hero-split__card-float--1 {
  top: 18%;
  right: -8%;
  animation: card-float 6s ease-in-out infinite;
}

.hero-split__card-float--2 {
  bottom: 22%;
  left: -6%;
  animation: card-float 7s ease-in-out infinite reverse;
}

@keyframes card-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-split__card-float strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.hero-split__card-float span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ── Marquee strip ── */
.marquee-strip {
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
  overflow: hidden;
  padding-block: 1rem;
}

.marquee-strip__track {
  display: flex;
  gap: 3rem;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.marquee-strip__track span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.marquee-strip__track span::before {
  content: "◆";
  margin-right: 0.75rem;
  color: var(--primary);
  font-size: 0.6rem;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ── Cards ── */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: rgba(59, 158, 255, 0.1);
  border: 1px solid rgba(59, 158, 255, 0.2);
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.card__icon svg {
  width: 22px;
  height: 22px;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 1rem;
  line-height: 1.6;
}

.card--accent-top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.75rem;
  right: 1.75rem;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.card--link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card--link:hover .card__value {
  color: var(--primary);
}

.card__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  transition: color 0.2s;
}

.card--wide {
  grid-column: span 2;
}

/* ── Bento grid ── */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.bento .card--wide {
  grid-column: span 2;
}

/* ── Split panel (location + contact) ── */
.split-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.25rem;
  align-items: start;
}

.geo-map {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg);
  aspect-ratio: 16 / 10;
  margin-top: 1rem;
  border: 1px solid var(--border);
}

.geo-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.geo-address {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 0;
  font-size: 0.95rem;
}

.geo-address svg {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--accent);
  margin-top: 0.15rem;
}

.geo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.geo-link:hover { text-decoration: underline; }

.contact-stack {
  display: grid;
  gap: 1rem;
}

.contact-stack .card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
}

.contact-stack .card__icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

.contact-stack .card__label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 0.15rem;
}

/* ── Registration table ── */
.reg-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.reg-grid__item {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.reg-grid__item:nth-child(2n) { border-right: none; }
.reg-grid__item:nth-last-child(-n+2) { border-bottom: none; }

.reg-grid__item dt {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.reg-grid__item dd {
  margin: 0;
  font-size: 0.95rem;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 3rem 2rem;
  background: var(--bg-elevated);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.site-footer__tagline {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.75rem 0 0;
  max-width: 28ch;
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 2rem;
}

.site-footer__nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.site-footer__nav a:hover { color: var(--text); }

.site-footer__meta {
  text-align: right;
}

.site-footer__meta small {
  color: var(--muted);
  font-size: 0.82rem;
}

/* ── Page (about, privacy) ── */
.page-hero {
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 0.75rem;
}

.page-hero p {
  color: var(--muted);
  margin: 0;
  max-width: 50ch;
}

.page-content {
  padding-block: 3rem;
}

.page-content .card {
  max-width: 720px;
}

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

.page-content--privacy {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.privacy-policy__sections {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}

.privacy-policy__sections .card {
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
  text-align: justify;
}

.privacy-policy__sections .card h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 1rem;
  text-align: center;
}

.privacy-policy__sections .card p {
  margin: 0 0 1rem;
  text-align: justify;
}

.privacy-policy__sections .card p:last-child {
  margin-bottom: 0;
}

.privacy-policy__sections .card ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  text-align: justify;
}

.privacy-policy__sections .card ul:last-child {
  margin-bottom: 0;
}

.privacy-policy__sections .card li {
  margin-bottom: 0.35rem;
}

.privacy-policy__sections .card li:last-child {
  margin-bottom: 0;
}

.privacy-policy__sections .card a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .hero-split__grid { grid-template-columns: 1fr; }
  .hero-split__visual { max-width: 360px; order: -1; }
  .hero-split__card-float--1 { right: 0; }
  .hero-split__card-float--2 { left: 0; }
  .bento { grid-template-columns: 1fr; }
  .bento .card--wide { grid-column: span 1; }
  .split-panel { grid-template-columns: 1fr; }
  .reg-grid { grid-template-columns: 1fr; }
  .reg-grid__item { border-right: none; }
  .reg-grid__item:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .reg-grid__item:last-child { border-bottom: none; }
  .site-footer__grid { grid-template-columns: 1fr; text-align: center; }
  .site-footer__nav { justify-items: center; }
  .site-footer__meta { text-align: center; }
  .brand__name { display: none; }
}

@media (max-width: 768px) {
  .nav__toggle { display: inline-flex; }
  .nav__list {
    position: fixed;
    inset: var(--header-h) 1.25rem auto 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    gap: 0.25rem;
    flex-direction: column;
    align-items: stretch;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: 0.2s ease;
    box-shadow: var(--shadow-lg);
  }
  .nav__list[data-open="1"] {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__list .btn--primary { margin-left: 0; margin-top: 0.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-split__orb,
  .hero-split__card-float,
  .marquee-strip__track,
  .hero-split__badge-dot { animation: none !important; }
}