@font-face {
  font-family: "Mazzard";
  src: url("assets/fonts/MazzardL-SemiBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Mazzard";
  src: url("assets/fonts/MazzardL-ExtraBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

:root {
  --background: #020608;
  --surface: #1c252b;
  --text: #cad2cb;
  --muted: #93b4bc;
  --line: rgba(147, 180, 188, 0.18);
  --accent: #486b85;
  --accent-bright: #93b4bc;
  --shadow: rgba(72, 107, 133, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 4% 8%, rgba(72, 107, 133, 0.16), transparent 28rem),
    radial-gradient(circle at 93% 92%, rgba(28, 37, 43, 0.55), transparent 32rem),
    var(--background);
  font-family: "Mazzard", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(24px, 5vw, 76px);
  background: linear-gradient(to bottom, rgba(2, 6, 8, 0.9), transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand img {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(147, 180, 188, 0.22);
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(2, 6, 8, 0.46);
}

.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
  transition: color 160ms ease, border-color 160ms ease;
}

.channel-link:hover,
.channel-link:focus-visible {
  border-color: var(--accent);
  color: var(--text);
  outline: none;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  place-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 132px 24px 92px;
}

.hero::before {
  position: absolute;
  z-index: -3;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: radial-gradient(circle at center, black, transparent 72%);
}

.hero-content {
  position: relative;
  z-index: 3;
  width: min(100%, 1120px);
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 29px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6.15vw, 92px);
  font-weight: 800;
  letter-spacing: 0.008em;
  line-height: 0.98;
  text-wrap: balance;
}

.accent-word {
  background: linear-gradient(105deg, var(--text) 5%, var(--accent-bright) 58%, var(--accent) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 24px rgba(72, 107, 133, 0.2));
}

.promise {
  margin: 28px auto 0;
  color: var(--accent-bright);
  font-family: "Segoe Print", "Comic Sans MS", cursive;
  font-size: clamp(17px, 2vw, 28px);
  font-weight: 600;
  letter-spacing: 0.015em;
  line-height: 1.3;
  transform: rotate(-1deg);
}

.description {
  max-width: 750px;
  margin: 29px auto 0;
  color: var(--muted);
  font-size: clamp(15px, 1.35vw, 19px);
  font-weight: 600;
  line-height: 1.65;
  text-wrap: balance;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 35px;
}

.button {
  display: inline-flex;
  min-width: 208px;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 25px;
  font-size: 17px;
  font-weight: 800;
  transition: transform 170ms ease, border-color 170ms ease, background 170ms ease, box-shadow 170ms ease;
}

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

.button:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 4px;
}

.button-primary {
  color: var(--background);
  background: linear-gradient(115deg, var(--accent-bright), var(--accent));
  box-shadow: 0 14px 44px var(--shadow);
}

.button-primary:hover {
  box-shadow: 0 18px 55px rgba(72, 107, 133, 0.42);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(9, 9, 9, 0.7);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.025);
}

.button-secondary:hover {
  border-color: rgba(147, 180, 188, 0.58);
  background: rgba(72, 107, 133, 0.12);
}

.hero-mark {
  position: absolute;
  z-index: -1;
  right: clamp(-260px, -14vw, -110px);
  bottom: clamp(-280px, -22vw, -120px);
  width: min(56vw, 760px);
  opacity: 0.035;
  transform: rotate(-8deg);
  pointer-events: none;
}

.hero-mark img {
  display: block;
  width: 100%;
  height: auto;
}

.glow {
  position: absolute;
  z-index: -2;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(72, 107, 133, 0.25);
  filter: blur(125px);
  pointer-events: none;
}

.glow-left {
  top: 8%;
  left: -260px;
}

.glow-right {
  right: -250px;
  bottom: -160px;
}

.bottom-note {
  position: absolute;
  bottom: 27px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(147, 180, 188, 0.5);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transform: translateX(-50%);
  white-space: nowrap;
}

.bottom-note-line {
  display: block;
  width: 27px;
  height: 1px;
  background: var(--accent);
}

@media (max-width: 720px) {
  .site-header {
    padding: 20px;
  }

  .channel-link {
    font-size: 0;
  }

  .channel-link span {
    font-size: 17px;
  }

  .hero {
    padding: 112px 20px 78px;
  }

  h1 br {
    display: none;
  }

  .promise {
    max-width: 510px;
    transform: none;
  }

  .description {
    line-height: 1.55;
  }

  .actions {
    width: min(100%, 370px);
    margin-right: auto;
    margin-left: auto;
  }

  .button {
    width: 100%;
  }

  .bottom-note {
    display: none;
  }
}

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