:root {
  --bg: #080a0c;
  --bg-2: #0d1114;
  --surface: rgba(18, 24, 28, 0.82);
  --surface-strong: #12181c;
  --border: rgba(120, 145, 156, 0.24);
  --border-strong: rgba(22, 224, 240, 0.42);
  --text: #f2f6f8;
  --muted: #a3b0b8;
  --faint: #66737b;
  --cyan: #16e0f0;
  --cyan-2: #00b6ca;
  --cyan-soft: rgba(22, 224, 240, 0.12);
  --cyan-glow: rgba(22, 224, 240, 0.4);
  --font-display: 'Clash Display', system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, -apple-system, sans-serif;
  --maxw: 1120px;
  --radius: 22px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background:
    radial-gradient(80% 55% at 86% 6%, rgba(22, 224, 240, 0.12), transparent 58%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  padding: .7rem 1rem;
  background: var(--cyan);
  color: #021417;
  font-weight: 800;
}

.skip-link:focus { left: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(8, 10, 12, 0.78);
  backdrop-filter: blur(16px);
}

.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  min-width: 0;
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 0 22px var(--cyan-glow);
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: italic;
  letter-spacing: .04em;
  font-size: 1.25rem;
  white-space: nowrap;
}

.brand-text span { color: var(--cyan); }

.nav {
  display: flex;
  align-items: center;
  gap: .45rem;
}

.nav a {
  color: var(--muted);
  font-weight: 700;
  font-size: .92rem;
  padding: .68rem .9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.nav a:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.nav .nav-pay {
  color: #041518;
  background: var(--cyan);
  border-color: var(--cyan);
}

.placeholder-hero,
.payment-page {
  position: relative;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  display: grid;
  align-items: center;
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

.grid-glow {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(80, 100, 110, .18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 100, 110, .18) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .34;
  mask-image: radial-gradient(80% 70% at 70% 20%, #000 10%, transparent 78%);
}

.slash-field {
  position: absolute;
  right: 5vw;
  top: 10%;
  bottom: 10%;
  display: flex;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: center;
  transform: skewX(-18deg);
  opacity: .7;
  pointer-events: none;
}

.slash-field span {
  width: clamp(24px, 4vw, 44px);
  height: min(62vh, 620px);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.95), var(--cyan) 46%, var(--cyan-2));
  box-shadow: 0 0 38px var(--cyan-glow);
}

.slash-field span:nth-child(1),
.slash-field span:nth-child(3) {
  height: min(42vh, 430px);
  opacity: .75;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .98fr) minmax(340px, .72fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}

.hero-copy { max-width: 720px; }

.eyebrow {
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .24em;
  font-size: .78rem;
  margin-bottom: 1rem;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: .96;
  letter-spacing: -.035em;
  max-width: 10.5ch;
}

.home-title {
  font-size: clamp(2.75rem, 5.1vw, 4.55rem);
  max-width: 11.5ch;
  letter-spacing: -.02em;
  word-spacing: .08em;
}

.home-title span {
  display: block;
}

.payment-intro h1 { max-width: 11ch; }

.lead {
  color: var(--muted);
  max-width: 60ch;
  margin-top: 1.45rem;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.motto {
  margin-top: 1.8rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-style: italic;
  font-weight: 700;
}

.motto::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.2em;
  margin-right: .65rem;
  vertical-align: -.18em;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan-glow);
  transform: skewX(-12deg);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .8rem 1.15rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: .95rem;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary,
.btn-pay {
  background: var(--cyan);
  color: #031518;
}

.btn-primary:hover,
.btn-pay:hover {
  box-shadow: 0 10px 32px var(--cyan-glow);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.035);
}

.btn-secondary:hover {
  border-color: var(--border-strong);
  color: var(--cyan);
}

.contact-card,
.payment-card,
.payment-contact {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(20, 28, 33, .88), rgba(10, 14, 17, .82));
  box-shadow: 0 24px 80px rgba(0, 0, 0, .34);
  backdrop-filter: blur(14px);
  border-radius: var(--radius);
}

.contact-card {
  overflow: hidden;
}

.banner {
  width: 100%;
  aspect-ratio: 3.2 / 1;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

dl {
  padding: 1.35rem;
}

dl div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.075);
}

dl div:last-child { border-bottom: 0; }

dt {
  color: var(--faint);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

dd {
  color: var(--text);
  font-weight: 700;
}

dd a,
.payment-contact a,
.text-link {
  color: var(--cyan);
}

.payment-layout {
  position: relative;
  z-index: 1;
}

.payment-intro {
  max-width: 760px;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.payment-card {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.payment-label {
  display: inline-flex;
  color: var(--cyan);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.payment-card h2,
.payment-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.05;
}

.payment-card p,
.payment-contact p {
  color: var(--muted);
  margin: 1rem 0 1.4rem;
}

.payment-card .btn { margin-top: auto; }

.tag-box {
  margin-top: auto;
  width: 100%;
  border: 1px solid var(--border-strong);
  background: var(--cyan-soft);
  color: var(--text);
  border-radius: 14px;
  padding: 1rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.payment-contact {
  margin-top: 1rem;
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.text-link {
  display: inline-flex;
  margin-top: .25rem;
  font-weight: 800;
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: #07090a;
}

.footer-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  color: var(--faint);
  font-size: .9rem;
}

.footer-inner p:last-child {
  text-align: right;
  max-width: 520px;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

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

@media (max-width: 900px) {
  .hero-layout,
  .payment-grid {
    grid-template-columns: 1fr;
  }

  .slash-field {
    right: -18vw;
    opacity: .34;
  }

  h1 {
    max-width: 10ch;
  }
}

@media (max-width: 680px) {
  .header-inner {
    height: auto;
    min-height: 72px;
    align-items: flex-start;
    flex-direction: column;
    padding-block: .9rem;
  }

  .nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .nav a {
    text-align: center;
    padding-inline: .45rem;
    font-size: .85rem;
  }

  .placeholder-hero,
  .payment-page {
    min-height: auto;
    padding-block: 3rem;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  dl div {
    grid-template-columns: 1fr;
    gap: .25rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding-block: 1.35rem;
  }

  .footer-inner p:last-child {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}