:root {
  --bg: #05060a;
  --bg-soft: #0b0d14;
  --text: #e8ecf1;
  --muted: #8b93a3;
  --cyan: #4de3ff;
  --violet: #7c6cff;
  --line: rgba(255, 255, 255, 0.08);
  --font-head: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--cyan); color: #04121a; }

#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.grain {
  position: fixed;
  inset: -50%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 8s steps(10) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-4%, 3%); }
  40% { transform: translate(3%, -5%); }
  60% { transform: translate(-3%, -2%); }
  80% { transform: translate(4%, 4%); }
}

main, header, footer { position: relative; z-index: 2; }

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1.5rem, 5vw, 4rem);
  z-index: 10;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(5, 6, 10, 0.7), transparent);
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.logo-star {
  color: var(--cyan);
  margin-right: 0.35rem;
  display: inline-block;
  animation: spin-slow 12s linear infinite;
}

@keyframes spin-slow { to { transform: rotate(360deg); } }

.logo-dim { color: var(--muted); font-weight: 400; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a:not(.btn) {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}

.nav-links a:not(.btn):hover { color: var(--cyan); }

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.burger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem clamp(1.5rem, 5vw, 4rem) 4rem;
}

.eyebrow {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.25rem;
}

h1 {
  font-family: var(--font-head);
  font-size: clamp(2.75rem, 9vw, 6.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.grad {
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dot { color: var(--cyan); }

.hero-sub {
  max-width: 34rem;
  margin-top: 1.75rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s, border-color 0.3s;
  cursor: pointer;
}

.btn-primary {
  color: #04121a;
  background: var(--cyan);
  box-shadow: 0 0 24px rgba(77, 227, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 44px rgba(77, 227, 255, 0.45);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: var(--violet);
  box-shadow: 0 0 30px rgba(124, 108, 255, 0.2);
  transform: translateY(-2px);
}

.btn-small {
  padding: 0.55rem 1.3rem;
  font-size: 0.85rem;
  color: var(--cyan);
  background: rgba(77, 227, 255, 0.08);
  border: 1px solid rgba(77, 227, 255, 0.35);
}

.btn-small:hover {
  transform: translateY(-2px);
  color: #04121a;
  background: var(--cyan);
  box-shadow: 0 0 28px rgba(77, 227, 255, 0.4);
}

.btn-big { padding: 1.1rem 2.6rem; font-size: 1.05rem; }

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
}

.scroll-hint span {
  width: 1px;
  height: 42px;
  background: linear-gradient(var(--cyan), transparent);
  animation: drop 1.8s ease-in-out infinite;
}

@keyframes drop {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.scroll-hint p { font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; }

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
  background: rgba(11, 13, 20, 0.5);
  backdrop-filter: blur(6px);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee-track span {
  font-family: var(--font-head);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  padding-right: 1rem;
}

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

.section {
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.5rem, 5vw, 4rem);
}

h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 3.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding: 2.25rem 2rem;
  background: rgba(11, 13, 20, 0.55);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(77, 227, 255, 0.09), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(77, 227, 255, 0.35);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.card:hover::before { opacity: 1; }

.card-num {
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
}

.card h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 1rem 0 0.75rem;
}

.card p { color: var(--muted); font-size: 0.95rem; }

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tags li {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
}

.badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--violet);
  border: 1px solid rgba(124, 108, 255, 0.4);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
}

.card-soon { opacity: 0.75; }
.card-soon:hover { opacity: 1; }

.steps {
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: step;
}

.step {
  display: flex;
  gap: 2rem;
  align-items: baseline;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.4s;
}

.step:first-child { border-top: 1px solid var(--line); }

.step:hover { padding-left: 1rem; }

.step-num {
  font-family: var(--font-head);
  font-size: 0.9rem;
  color: var(--violet);
  letter-spacing: 0.2em;
  min-width: 2.5rem;
}

.step h3 {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.step p { color: var(--muted); max-width: 32rem; }

.cta {
  text-align: center;
}

.cta h2 { margin-bottom: 2.5rem; }

.footer {
  border-top: 1px solid var(--line);
  padding: 3.5rem clamp(1.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
  background: rgba(5, 6, 10, 0.7);
}

.footer p { color: var(--muted); font-size: 0.9rem; }

.footer small { color: #565e6e; font-size: 0.78rem; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 20;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(77, 227, 255, 0.4);
  transition: width 0.25s, height 0.25s, border-color 0.25s;
}

.cursor-ring.hovering {
  width: 56px;
  height: 56px;
  border-color: rgba(124, 108, 255, 0.7);
}

@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

@media (max-width: 768px) {
  .burger { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0;
    top: 0;
    flex-direction: column;
    justify-content: center;
    background: rgba(5, 6, 10, 0.96);
    backdrop-filter: blur(20px);
    transform: translateY(-100%);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
  }

  .nav-links.open { transform: translateY(0); }

  .nav-links a:not(.btn) { font-size: 1.4rem; font-family: var(--font-head); }

  .burger.open span:first-child { transform: translateY(4px) rotate(45deg); }
  .burger.open span:last-child { transform: translateY(-4px) rotate(-45deg); }

  .step { flex-direction: column; gap: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}