@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --tc-black:       #0b0b0e;
  --tc-dark:        #0f0f13;
  --tc-panel:       #161619;
  --tc-surface-2:   #1c1c22;
  --tc-input:       #1e1e26;
  --tc-border:      rgba(255,255,255,.10);
  --tc-border-soft: rgba(255,255,255,.063);
  --tc-border-top:  rgba(255,255,255,.10);

  --tc-fg:          #ececef;
  --tc-muted:       #9a9aa4;
  --tc-muted-2:     #6c6c76;

  --tc-gold:        #d4af37;
  --tc-gold-1:      #fce9b0;
  --tc-gold-2:      #e8b84b;
  --tc-gold-3:      #c8902a;
  --tc-gold-deep:   #946614;
  --tc-gold-grad:   linear-gradient(135deg, #fce9b0 0%, #e8b84b 46%, #c8902a 100%);

  --tc-radius:      12px;
  --tc-radius-sm:   8px;
  --tc-radius-lg:   20px;
  --tc-nav-h:       70px;
  --tc-maxw:        1180px;
  --tc-gutter:      clamp(20px, 5vw, 56px);

  --tc-ease:        cubic-bezier(.22,.61,.36,1);

  --font-display:   "Space Grotesk", system-ui, sans-serif;
  --font-body:      "Inter", "Poppins", system-ui, -apple-system, sans-serif;
  --font-mono:      "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
  --tc-font:        var(--font-body);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--tc-fg);
  background: var(--tc-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { color: inherit; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; }

::selection { background: var(--tc-gold-3); color: #100c02; }

:focus-visible {
  outline: 2px solid var(--tc-gold-2);
  outline-offset: 3px;
  border-radius: 3px;
}

body::before {
  content: '';
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 520px at 78% -8%,  rgba(232,184,75,.09), transparent 60%),
    radial-gradient(700px 600px at  6%  8%,  rgba(200,144,42,.05), transparent 55%);
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 40%, transparent 85%);
  pointer-events: none;
}

.tc-logo {
  font-weight: 800;
  font-size: 28px;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--tc-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
  line-height: 1.3;
  padding-bottom: 0.08em;
  letter-spacing: -.01em;
  text-decoration: none;
  flex-shrink: 0;
}
.tc-logo:hover { -webkit-text-fill-color: transparent; color: transparent; }

.tc-logo-sm {
  font-weight: 800;
  font-size: 22px;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--tc-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
  line-height: 1.3;
  padding-bottom: 0.06em;
  vertical-align: middle;
}

.tc-divider {
  display: block; height: 1px; border: none;
  background: linear-gradient(90deg,
    rgba(179,135,40,0) 0%, #BF953F 20%,
    rgba(185,162,45,1) 50%, rgba(170,119,28,0) 100%);
  margin: 40px auto;
  max-width: 480px;
  box-shadow: 0 0 10px rgba(212,175,55,.14);
}

.tc-header {
  width: 100%;
  position: sticky; top: 0; z-index: 200;
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  background: rgba(11,11,14,.55);
  border-bottom: 1px solid transparent;
  transition:
    border-color .35s var(--tc-ease),
    background  .35s var(--tc-ease),
    box-shadow  .35s var(--tc-ease);
}
.tc-header.scrolled {
  background: rgba(11,11,14,.94);
  border-bottom-color: var(--tc-border-soft);
  box-shadow: 0 4px 28px rgba(0,0,0,.55);
}

.tc-header-inner {
  max-width: var(--tc-maxw);
  margin: 0 auto;
  padding: 0 var(--tc-gutter);
  height: var(--tc-nav-h);
  display: flex;
  align-items: center;
}

.tc-header-logo {
  flex: 0 0 auto;
  margin-right: auto;
  display: flex; align-items: center;
}
.tc-header-logo .tc-logo { font-size: 24px; }

.tc-nav {
  display: flex; align-items: center; gap: 0; list-style: none;
}
.tc-nav a {
  display: block;
  font-size: 13.5px;
  font-weight: 450;
  color: var(--tc-muted);
  padding: 8px 12px;
  border-radius: var(--tc-radius-sm);
  transition: color .2s var(--tc-ease), background .2s var(--tc-ease);
  letter-spacing: .01em;
  white-space: nowrap;
  text-decoration: none;
  position: relative;
}
.tc-nav a:hover { color: var(--tc-fg); }
.tc-nav a.active { color: var(--tc-gold-1); }
.tc-nav a.active::after {
  content: '';
  display: block;
  height: 1.5px;
  background: linear-gradient(90deg, var(--tc-gold-2), var(--tc-gold-3));
  border-radius: 1px;
  margin-top: 3px;
  opacity: .8;
}

.tc-nav-sep {
  width: 1px; height: 20px;
  background: rgba(255,255,255,.1);
  margin: 0 10px; flex-shrink: 0;
}

.tc-nav-cta {
  background: rgba(212,175,55,.08) !important;
  border: 1px solid rgba(212,175,55,.28) !important;
  color: var(--tc-gold-1) !important;
  border-radius: var(--tc-radius-sm) !important;
  padding: 7px 16px !important;
  margin-left: 4px;
  font-weight: 500 !important;
  letter-spacing: .02em !important;
  transition: background .2s, color .2s, border-color .2s, box-shadow .2s !important;
}
.tc-nav-cta:hover {
  background: rgba(212,175,55,.16) !important;
  border-color: rgba(212,175,55,.48) !important;
  box-shadow: 0 0 14px rgba(212,175,55,.18) !important;
}
.tc-nav-cta::after { display: none !important; }

.tc-hamburger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px;
  cursor: pointer; padding: 8px;
  border: 1px solid var(--tc-border-soft);
  background: rgba(255,255,255,.035);
  border-radius: var(--tc-radius-sm);
  transition: background .15s, border-color .15s;
  flex-shrink: 0; margin-left: 8px;
}
.tc-hamburger:hover {
  background: rgba(255,255,255,.07);
  border-color: var(--tc-border);
}
.tc-hamburger span {
  display: block; width: 100%; height: 1.8px;
  background: rgba(255,255,255,.7);
  border-radius: 2px;
  transition: transform .25s var(--tc-ease), opacity .2s var(--tc-ease);
  transform-origin: center;
}
.tc-header.nav-open .tc-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.tc-header.nav-open .tc-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.tc-header.nav-open .tc-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .tc-hamburger { display: flex; }
  .tc-nav {
    position: absolute;
    top: var(--tc-nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    padding: 12px 16px 20px;
    background: rgba(9,9,12,.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--tc-border-soft);
    box-shadow: 0 16px 40px rgba(0,0,0,.6);
    gap: 2px;
    max-height: 0; overflow: hidden;
    opacity: 0; pointer-events: none;
    transform: translateY(-8px);
    transition:
      max-height .3s var(--tc-ease),
      opacity    .25s var(--tc-ease),
      transform  .25s var(--tc-ease);
  }
  .tc-header.nav-open .tc-nav {
    max-height: 480px; opacity: 1; pointer-events: auto; transform: none;
  }
  .tc-nav a {
    font-size: 15px; padding: 12px 14px;
    border-radius: 8px; color: var(--tc-muted); width: 100%;
  }
  .tc-nav a:hover  { color: var(--tc-fg); background: rgba(255,255,255,.04); }
  .tc-nav a.active { color: var(--tc-gold-1); background: rgba(212,175,55,.05); }
  .tc-nav a.active::after { display: none; }
  .tc-nav-sep { display: none; }
  .tc-nav-cta {
    margin-left: 0 !important; margin-top: 8px !important;
    text-align: center !important; width: 100%;
  }
}

.tc-page {
  max-width: var(--tc-maxw);
  margin: 0 auto;
  padding: 64px var(--tc-gutter) 80px;
}
.tc-page-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px var(--tc-gutter) 80px;
}
@media (max-width: 600px) {
  .tc-page, .tc-page-narrow { padding-top: 40px; padding-bottom: 60px; }
}

.tc-eyebrow,
.eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--tc-gold-2);
  display: inline-flex; align-items: center; gap: .55em;
  margin-bottom: .9rem;
}

.tc-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -.025em;
  margin-bottom: 1.25rem;
  line-height: 1.08;
  color: var(--tc-fg);
}
.tc-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.5vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -.015em;
  margin-bottom: 1rem;
  line-height: 1.12;
  color: var(--tc-fg);
}
.tc-lead {
  font-size: 1.04rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--tc-muted);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
}
@media (max-width: 600px) { .tc-lead { font-size: .97rem; } }

.accent { color: var(--tc-gold-2); }
.lede   { color: var(--tc-muted); font-size: 1.04rem; }

.grad {
  background: var(--tc-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.mono { font-family: var(--font-mono); }

.tc-card {
  background: linear-gradient(180deg, var(--tc-panel) 0%, var(--tc-dark) 100%);
  border: 1px solid var(--tc-border-soft);
  border-radius: var(--tc-radius);
  transition:
    transform     .28s var(--tc-ease),
    border-color  .28s var(--tc-ease),
    box-shadow    .28s var(--tc-ease);
  position: relative;
  overflow: hidden;
}
@media (hover: hover) {
  .tc-card:hover {
    transform: translateY(-3px);
    border-color: var(--tc-border);
    box-shadow: 0 20px 44px -28px rgba(0,0,0,.7);
  }
}

.tc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  border-radius: var(--tc-radius-sm);
  padding: .75em 1.4em;
  font-size: .92rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    transform     .25s var(--tc-ease),
    box-shadow    .25s var(--tc-ease),
    background    .25s var(--tc-ease),
    border-color  .25s var(--tc-ease),
    color         .25s var(--tc-ease);
  white-space: nowrap; line-height: 1;
}

.tc-btn-solid {
  background: var(--tc-gold-grad);
  color: #160f00;
  border-color: transparent;
  font-weight: 600;
}
.tc-btn-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -14px rgba(232,184,75,.45);
  color: #160f00;
}

.tc-btn-outline {
  border: 1px solid var(--tc-border);
  color: var(--tc-fg);
  background: rgba(255,255,255,.014);
}
.tc-btn-outline:hover {
  border-color: var(--tc-gold-3);
  color: var(--tc-gold-1);
  transform: translateY(-2px);
}

.tc-btn-group { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
@media (max-width: 420px) {
  .tc-btn-group { flex-direction: column; }
  .tc-btn-group .tc-btn { width: 100%; }
}

.tc-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem; font-weight: 500;
  padding: .25rem .7rem; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.1);
  color: var(--tc-muted);
  background: rgba(255,255,255,.04);
  letter-spacing: .04em;
  transition: color .15s, border-color .15s;
}

.tc-section    { padding: 64px 0; }
.tc-section-sm { padding: 40px 0; }
.tc-center     { text-align: center; }

.section { padding-block: clamp(64px, 9vw, 120px); }
.section-head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.85rem);
  line-height: 1.08; letter-spacing: -.02em; margin-top: 16px;
}
.section-head p { color: var(--tc-muted); margin-top: 16px; font-size: 1.05rem; }

.tc-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tc-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tc-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid      { display: grid; gap: 22px; }
.grid-2    { grid-template-columns: repeat(2, 1fr); }
.grid-3    { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 1024px) { .tc-grid-4  { grid-template-columns: repeat(2, 1fr); } }
@media (max-width:  960px)  { .grid-3     { grid-template-columns: repeat(2, 1fr); } }
@media (max-width:  700px)  {
  .tc-grid-2, .tc-grid-3, .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width:  600px)  { .tc-grid-4  { grid-template-columns: 1fr; } }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s var(--tc-ease), transform .65s var(--tc-ease);
}
.reveal.in { opacity: 1; transform: none; }

.tc-footer {
  width: 100%;
  background: rgba(255,255,255,.007);
  border-top: 1px solid var(--tc-border-soft);
  margin-top: clamp(48px, 8vw, 80px);
  padding-top: clamp(48px, 6vw, 72px);
}

.tc-footer-inner {
  max-width: var(--tc-maxw);
  margin: 0 auto;
  padding: 0 var(--tc-gutter) 48px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 900px) {
  .tc-footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 520px) {
  .tc-footer-inner { grid-template-columns: 1fr; gap: 28px; padding: 0 20px 40px; }
}

.tc-footer-brand .tc-logo { font-size: 26px; display: inline-block; margin-bottom: .75rem; }
.tc-footer-tagline {
  font-size: .88rem; color: var(--tc-muted-2);
  line-height: 1.65; margin-bottom: 1.5rem; max-width: 260px;
}
.tc-footer-sponsor { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.tc-footer-sponsor img { opacity: .48; transition: opacity .18s; }
.tc-footer-sponsor img:hover { opacity: .85; }
.cypfer-sponsor {
  font-size: .78rem; color: var(--tc-muted-2); line-height: 1.5; max-width: 210px;
}
.cypfer-sponsor a { color: var(--tc-gold-2) !important; }

.tc-footer-col h4 {
  font-family: var(--font-mono);
  font-size: .7rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--tc-muted-2); margin-bottom: 16px;
}
.tc-footer-col a {
  display: block; font-size: .9rem;
  color: var(--tc-muted); padding: 6px 0;
  text-decoration: none;
  transition: color .18s var(--tc-ease);
}
.tc-footer-col a:hover { color: var(--tc-gold-1) !important; }

.tc-footer-bottom {
  border-top: 1px solid var(--tc-border-soft);
  padding: 20px var(--tc-gutter);
  max-width: var(--tc-maxw); margin: 0 auto;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono);
  font-size: .8rem; color: var(--tc-muted-2);
}
.tc-footer-bottom a { color: var(--tc-muted-2); }
.tc-footer-bottom a:hover { color: var(--tc-muted) !important; }
@media (max-width: 520px) {
  .tc-footer-bottom { padding: 16px 20px; flex-direction: column; align-items: flex-start; }
}

.tc-social-icons { display: flex; align-items: center; gap: 8px; }
.tc-social-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--tc-radius-sm);
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.03);
  color: var(--tc-muted-2);
  transition:
    border-color .2s var(--tc-ease),
    background   .2s var(--tc-ease),
    color        .2s var(--tc-ease),
    transform    .2s var(--tc-ease);
  flex-shrink: 0;
}
.tc-social-btn:hover {
  border-color: var(--tc-gold-3) !important;
  background: rgba(255,255,255,.06);
  color: var(--tc-gold-1) !important;
  transform: translateY(-2px);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; transition: none; }
}