/* NovaDroid — Landing Page Styles
 * Dark theme, mobile-first responsive
 */

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
  --color-bg: #0d0d0d;
  --color-surface: #161616;
  --color-surface-2: #1e1e1e;
  --color-border: #2a2a2a;
  --color-primary: #6366f1;
  --color-primary-hover: #818cf8;
  --color-primary-muted: rgba(99, 102, 241, 0.15);
  --color-text: #f0f0f0;
  --color-text-muted: #888;
  --color-text-faint: #555;
  --color-success: #22c55e;
  --color-error: #ef4444;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;

  --radius: 8px;
  --radius-lg: 16px;
  --transition: 150ms ease;

  --max-width: 1200px;
  --section-gap: 100px;
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100dvh;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

/* ── Layout Utilities ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: var(--section-gap);
}

/* ── Header / Nav ──────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo__icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}

.logo__tag {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-muted);
  padding: 2px 6px;
  border-radius: 4px;
}

.header__cta {
  background: var(--color-primary);
  color: #fff;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  transition: background var(--transition);
  border: none;
  cursor: pointer;
}

.header__cta:hover {
  background: var(--color-primary-hover);
}

/* ── Hero ──────────────────────────────────────────────────────── */
.hero {
  padding-block: 120px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.18) 0%, transparent 60%);
  pointer-events: none;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-primary-muted);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero__title {
  font-size: clamp(36px, 7vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 800px;
  margin-inline: auto;
}

.hero__title-accent {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 48px;
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 32px rgba(99, 102, 241, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-text);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.btn-secondary:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero__stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.hero__stat-sep {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* ── Games ─────────────────────────────────────────────────────── */
.games__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.game-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}

.game-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.game-card--featured {
  border-color: rgba(99, 102, 241, 0.35);
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(99, 102, 241, 0.06) 100%);
}

.game-card--more {
  border-style: dashed;
}

.game-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-primary-muted);
  padding: 3px 8px;
  border-radius: 4px;
}

.game-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: cover;
  margin-bottom: 14px;
}

img.game-card__icon {
  display: block;
}

div.game-card__icon {
  font-size: 28px;
  line-height: 64px;
  text-align: center;
}

.game-card__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.game-card__genre {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.game-card__text {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ── Features ──────────────────────────────────────────────────── */
.features {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__eyebrow {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 500px;
  margin-inline: auto;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-muted);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card__text {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── How It Works ──────────────────────────────────────────────── */
.steps__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  counter-reset: steps;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  counter-increment: steps;
}

.step__num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-muted);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step__num::before {
  content: counter(steps);
}

.step__body {}

.step__title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.step__text {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ── Waitlist ──────────────────────────────────────────────────── */
.waitlist {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.waitlist__card {
  max-width: 560px;
  margin-inline: auto;
  text-align: center;
}

.waitlist__form {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group label span {
  color: var(--color-primary);
  margin-left: 2px;
}

.form-group label .optional {
  color: var(--color-text-faint);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 12px;
}

.input {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  outline: none;
}

.input::placeholder { color: var(--color-text-faint); }

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-muted);
}

.input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.field-error {
  font-size: 12px;
  color: var(--color-error);
  margin-top: 2px;
  display: none;
}

.field-error.visible { display: block; }

.form-hint {
  font-size: 12px;
  color: var(--color-text-faint);
  margin-top: 4px;
}

.waitlist__submit {
  width: 100%;
  padding: 14px;
  margin-top: 4px;
}

.waitlist__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Success state */
.waitlist__success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-lg);
  margin-top: 24px;
  text-align: center;
}

.waitlist__success.visible {
  display: flex;
}

.waitlist__success-icon {
  font-size: 36px;
  line-height: 1;
}

.waitlist__success-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-success);
}

.waitlist__success-text {
  font-size: 14px;
  color: var(--color-text-muted);
}

.waitlist__counter {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-text-faint);
}

.waitlist__counter strong {
  color: var(--color-primary);
}

/* ── Requirements ──────────────────────────────────────────────── */
.requirements__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.req-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.req-card__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.req-card__title-icon { font-size: 16px; }

.req-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.req-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.req-list li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── FAQ ────────────────────────────────────────────────────────── */
.faq__list {
  max-width: 680px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  background: var(--color-surface);
  color: var(--color-text);
  border: none;
  padding: 18px 20px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: background var(--transition);
}

.faq-item__question:hover { background: var(--color-surface-2); }

.faq-item__arrow {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--color-text-muted);
  transition: transform var(--transition);
}

.faq-item.open .faq-item__arrow {
  transform: rotate(180deg);
}

.faq-item__answer {
  display: none;
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
  background: var(--color-surface);
}

.faq-item.open .faq-item__answer {
  display: block;
}

/* ── Footer ─────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: 40px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  font-size: 13px;
  color: var(--color-text-faint);
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  font-size: 13px;
  color: var(--color-text-faint);
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--color-text-muted); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
  :root { --section-gap: 60px; }

  .header__inner { height: 56px; }
  .hero { padding-block: 80px 60px; }
  .hero__stats { gap: 20px; }
  .hero__stat-value { font-size: 22px; }
  .hero__stat-sep { display: none; }

  .games__grid,
  .features__grid,
  .steps__list,
  .requirements__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (min-width: 768px) {
  .waitlist__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .waitlist__submit {
    grid-column: 1 / -1;
  }
}