*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg-main: #050505;
  --bg-elevated: #111111;
  --bg-soft: #161616;
  --accent: #FFC247;
  --accent-soft: rgba(255, 194, 71, 0.16);
  --accent-strong: #FFB020;
  --text-main: #f9f9f9;
  --text-muted: #9a9a9a;
  --border-subtle: #242424;
  --error: #ff4a4a;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 40px rgba(255, 194, 71, 0.4);
  --max-width: 1080px;
}

html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background-color: rgba(5, 5, 5, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  box-shadow: var(--shadow-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-main);
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.site-nav a {
  color: var(--text-muted);
  position: relative;
  padding-bottom: 3px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 0.18s ease-out;
}

.site-nav a:hover {
  color: var(--text-main);
}

.site-nav a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background-color: var(--text-main);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
  padding: 72px 20px 32px;
  background: radial-gradient(circle at top, rgba(255, 194, 71, 0.12), transparent 55%);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  line-height: 1.15;
  margin: 0 0 16px;
}

.hero-tagline {
  margin: 0 0 12px;
  font-size: 1.02rem;
  color: var(--accent);
}

.hero-body {
  margin: 0 0 20px;
  color: var(--text-muted);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(135deg, rgba(17, 17, 17, 0.95), rgba(22, 22, 22, 0.95));
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.65);
  font-size: 12px;
  color: var(--text-muted);
}

.hero-panel {
  display: flex;
  justify-content: center;
}

.device-frame {
  width: 100%;
  max-width: 320px;
  border-radius: 40px;
  padding: 10px;
  background: radial-gradient(circle at top, #202020, #030303);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.02);
}

.device-screen {
  border-radius: 32px;
  padding: 16px 16px 18px;
  background: radial-gradient(circle at top left, rgba(255, 194, 71, 0.16), #050505);
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.screen-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.screen-indicator {
  padding: 2px 9px;
  border-radius: 999px;
  background-color: var(--accent-soft);
  color: var(--accent-strong);
}

.screen-dice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.die {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  padding: 10px 0;
  background: linear-gradient(145deg, #121212, #1c1c1c);
  border: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-size: 13px;
}

.die-primary {
  background: radial-gradient(circle at top, rgba(255, 194, 71, 0.4), #141414);
  color: var(--text-main);
  box-shadow: var(--shadow-glow);
}

.screen-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
}

.screen-result-label {
  color: var(--text-muted);
}

.screen-result-value {
  font-weight: 600;
  color: var(--accent-strong);
}

.features {
  padding: 20px 20px 48px;
}

.content-narrow {
  max-width: var(--max-width);
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at top, rgba(255, 194, 71, 0.14), rgba(10, 10, 10, 1));
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8);
}

.feature-card h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.privacy {
  padding: 56px 20px 40px;
  background: radial-gradient(circle at center, rgba(255, 194, 71, 0.10), transparent 60%);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.privacy h2 {
  font-size: 1.6rem;
  margin: 0 0 8px;
}

.privacy-meta {
  margin: 0 0 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.privacy h3 {
  margin: 26px 0 8px;
  font-size: 1.1rem;
}

.privacy p {
  margin: 0 0 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.privacy ul {
  margin: 0 0 14px 20px;
  padding: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-highlight {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: rgba(0, 0, 0, 0.6);
}

.contact {
  padding: 48px 20px 60px;
}

.contact h2 {
  margin: 0 0 10px;
  font-size: 1.4rem;
}

.contact p {
  margin: 0 0 20px;
  color: var(--text-muted);
  max-width: 640px;
}

.support-form {
  margin-top: 8px;
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  background-color: var(--bg-soft);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.75);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

input,
textarea {
  background-color: #050505;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: 9px 11px;
  color: var(--text-main);
  font: inherit;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(255, 194, 71, 0.2);
}

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #111111;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.85);
}

.button-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.95);
}

.button-primary:active {
  transform: translateY(0);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.9);
}

.form-status {
  margin-top: 10px;
  min-height: 18px;
  font-size: 0.85rem;
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 18px 20px 22px;
  background-color: #050505;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-inner a {
  color: var(--text-muted);
}

.footer-inner a:hover {
  color: var(--accent);
}

.footer-separator {
  opacity: 0.5;
}

@media (max-width: 800px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .hero {
    padding-top: 56px;
  }

  .features-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 2px;
    padding: 10px 16px;
    border-radius: 16px;
    background-color: rgba(10, 10, 10, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.9);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    transform-origin: top right;
    transform: scale(0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.14s ease-out, transform 0.14s ease-out;
  }

  .site-nav.is-open {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(2px) rotate(45deg);
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
    transform: translateY(-2px) rotate(-45deg);
  }
}