:root {
  --bg: #10131a;
  --panel: #171b24;
  --panel-soft: #1e2430;
  --text: #f3f6fb;
  --muted: #aeb7c7;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #70e1b4;
  --accent-strong: #34d399;
  --warning: #ffd166;
  --error: #ff8a8a;
  --radius: 22px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(112, 225, 180, 0.18), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(90, 123, 255, 0.14), transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(112, 225, 180, 0.24), rgba(255, 255, 255, 0.06));
  box-shadow: var(--shadow);
  color: var(--accent);
}

.brand-text {
  font-size: 1.2rem;
}

.nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-weight: 650;
}

.nav a:hover,
.nav a:focus {
  color: var(--text);
}

.hero,
.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 72vh;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0 76px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.055em;
}

h1 {
  font-size: clamp(3.25rem, 8vw, 6.4rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
}

h3 {
  font-size: 1.35rem;
}

.hero-text {
  max-width: 680px;
  margin: 28px 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 16px;
}

.button {
  appearance: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 1rem;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.button:hover,
.button:focus {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #07120f;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--text);
}

.button.full {
  width: 100%;
}

.notice {
  color: var(--warning);
  font-size: 0.94rem;
  max-width: 690px;
}

.hero-card,
.card,
.form-panel {
  border: 1px solid var(--line);
  background: rgba(23, 27, 36, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  border-radius: var(--radius);
  padding: 22px;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-radius: 16px;
  background: var(--panel-soft);
}

.status-row + .status-row {
  margin-top: 12px;
}

.status-row span {
  color: var(--muted);
}

.status-row strong {
  color: var(--accent);
}

.section {
  padding: 74px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  border-radius: var(--radius);
  padding: 24px;
}

.card p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.copy-block {
  color: var(--muted);
  font-size: 1.12rem;
}

.register {
  padding-bottom: 96px;
}

.form-panel {
  border-radius: 30px;
  padding: clamp(24px, 5vw, 48px);
}

form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 750;
}

label em {
  color: var(--muted);
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 650;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font: inherit;
  padding: 14px 15px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(112, 225, 180, 0.15);
}

textarea {
  resize: vertical;
}

.checkbox {
  display: flex;
  align-items: start;
  gap: 10px;
  color: var(--muted);
  font-weight: 600;
}

.checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.form-status {
  min-height: 28px;
  color: var(--muted);
  font-weight: 750;
}

.form-status.success {
  color: var(--accent);
}

.form-status.error {
  color: var(--error);
}

.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 4px 0;
}

.small {
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav {
    display: none;
  }
}

@media (max-width: 620px) {
  .hero {
    min-height: auto;
    padding-top: 28px;
  }

  .grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }

  .button {
    width: 100%;
  }
}