/* ── Nav ──────────────────────────────────────────────── */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: color-mix(in oklch, var(--color-base-200) 80%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--color-base-300) 60%, transparent);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--color-base-content);
}

.nav-brand:hover { text-decoration: none; }

.nav-brand img {
  height: 1.5rem;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: color-mix(in oklch, var(--color-base-content) 60%, transparent);
  transition: color var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-base-content);
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-base-content);
  transition: all var(--transition-base);
  line-height: 1;
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  background: color-mix(in oklch, var(--color-primary) 8%, transparent);
}

.nav-signin {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: color-mix(in oklch, var(--color-base-content) 55%, transparent);
}

.nav-signin:hover {
  color: var(--color-base-content);
  text-decoration: none;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-base-content);
  cursor: pointer;
  padding: 0.25rem;
  font-size: 1.25rem;
}

/* ── Hero ─────────────────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

/* Subtle radial glow behind content — matches qs-page::before */
.hero::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: color-mix(in oklch, var(--color-primary) 8%, transparent);
  filter: blur(120px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  pointer-events: none;
  animation: glow-pulse 6s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  animation: fade-up 0.6s ease-out;
}

.hero-prompt {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.hero-brand {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
}

.hero-subtitle {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: color-mix(in oklch, var(--color-base-content) 45%, transparent);
}

.comment-slash {
  color: color-mix(in oklch, var(--color-base-content) 25%, transparent);
}

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

/* ── Audience Chooser ─────────────────────────────────── */

.chooser {
  padding: 5rem 0;
  text-align: center;
  position: relative;
}

/* Soft gradient divider above chooser */
.chooser::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in oklch, var(--color-base-300) 60%, transparent), transparent);
}

.chooser h2 {
  margin-bottom: 0.5rem;
}

.chooser-subtitle {
  font-size: 0.875rem;
  color: color-mix(in oklch, var(--color-base-content) 50%, transparent);
  margin-bottom: 2.5rem;
}

.chooser-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.chooser-card {
  text-align: left;
  cursor: pointer;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.chooser-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 24px color-mix(in oklch, var(--color-primary) 12%, transparent);
  transform: translateY(-2px);
}

.chooser-card .terminal-body h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.chooser-card .terminal-body p {
  font-size: 0.8125rem;
  color: color-mix(in oklch, var(--color-base-content) 55%, transparent);
}

/* ── Features Grid ────────────────────────────────────── */

.features-section {
  padding: 5rem 0;
}

.features-section h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.features-subtitle {
  text-align: center;
  font-size: 0.875rem;
  color: color-mix(in oklch, var(--color-base-content) 50%, transparent);
  margin-bottom: 2.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* ── Architecture Section ─────────────────────────────── */

.architecture {
  padding: 5rem 0;
}

.architecture h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.arch-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.arch-tab {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-md);
  background: transparent;
  color: color-mix(in oklch, var(--color-base-content) 50%, transparent);
  cursor: pointer;
  transition: all var(--transition-base);
}

.arch-tab:hover {
  border-color: color-mix(in oklch, var(--color-primary) 40%, var(--color-base-300));
  color: var(--color-base-content);
}

.arch-tab.active {
  border-color: var(--color-primary);
  background: color-mix(in oklch, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
}

.arch-panel {
  display: none;
  max-width: 720px;
  margin: 0 auto;
}

.arch-panel.active {
  display: block;
  animation: fade-in 0.3s ease;
}

.arch-diagram {
  padding: 2.5rem 2rem;
  text-align: center;
}

.arch-nodes {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.arch-node {
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--color-base-200);
  position: relative;
  transition: box-shadow var(--transition-slow);
}

.arch-node--primary {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: color-mix(in oklch, var(--color-primary) 8%, transparent);
  box-shadow: 0 0 12px color-mix(in oklch, var(--color-primary) 10%, transparent);
}

.arch-node--secondary {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: color-mix(in oklch, var(--color-secondary) 8%, transparent);
  box-shadow: 0 0 12px color-mix(in oklch, var(--color-secondary) 10%, transparent);
}

.arch-connector {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: color-mix(in oklch, var(--color-base-content) 25%, transparent);
  padding: 0.75rem 0;
  position: relative;
}

/* Dashed line through connector */
.arch-connector::before {
  content: "";
  position: absolute;
  left: 25%;
  right: 25%;
  top: 50%;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    color-mix(in oklch, var(--color-primary) 25%, transparent),
    color-mix(in oklch, var(--color-primary) 25%, transparent) 4px,
    transparent 4px,
    transparent 8px
  );
  z-index: 0;
}

.arch-connector span,
.arch-connector {
  position: relative;
  z-index: 1;
}

.arch-label {
  font-size: 0.75rem;
  color: color-mix(in oklch, var(--color-base-content) 40%, transparent);
  margin-top: 1.25rem;
  font-style: italic;
}

/* ── Creator Problem Section ──────────────────────────── */

.problem-section {
  padding: 5rem 0;
}

.problem-section h2 {
  text-align: center;
  margin-bottom: 2.5rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.problem-card {
  padding: 1.5rem;
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-lg);
  background: var(--color-base-100);
  text-align: center;
}

.problem-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.problem-card h3 {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.problem-card p {
  font-size: 0.8125rem;
  color: color-mix(in oklch, var(--color-base-content) 55%, transparent);
}

/* ── Solution Steps ───────────────────────────────────── */

.solution-section {
  padding: 3rem 0 5rem;
}

.solution-section h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.solution-subtitle {
  text-align: center;
  font-size: 0.875rem;
  color: color-mix(in oklch, var(--color-base-content) 50%, transparent);
  margin-bottom: 2.5rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 840px;
  margin: 0 auto;
}

.step {
  text-align: center;
  padding: 1.5rem 1rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: var(--border-width) solid var(--color-primary);
  background: color-mix(in oklch, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.step h3 {
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.8125rem;
  color: color-mix(in oklch, var(--color-base-content) 55%, transparent);
}

/* ── Trust Section ────────────────────────────────────── */

.trust-section {
  padding: 5rem 0;
  position: relative;
  background: color-mix(in oklch, var(--color-base-100) 30%, var(--color-base-200));
}

/* Top divider */
.trust-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in oklch, var(--color-base-300) 60%, transparent), transparent);
}

.trust-section h2 {
  text-align: center;
  margin-bottom: 2.5rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 840px;
  margin: 0 auto;
}

.trust-item {
  text-align: center;
  padding: 1.5rem 1rem;
}

.trust-icon {
  font-size: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: color-mix(in oklch, var(--color-primary) 6%, transparent);
  border: 1px solid color-mix(in oklch, var(--color-primary) 12%, transparent);
  margin-bottom: 1rem;
}

.trust-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.trust-item p {
  font-size: 0.8125rem;
  color: color-mix(in oklch, var(--color-base-content) 55%, transparent);
}

/* ── Waitlist CTA ─────────────────────────────────────── */

.waitlist-section {
  padding: 5rem 0 6rem;
  text-align: center;
  position: relative;
}

/* Glow behind waitlist */
.waitlist-section::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    color-mix(in oklch, var(--color-primary) 6%, transparent) 0%,
    transparent 70%
  );
  filter: blur(80px);
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.waitlist-section h2 {
  margin-bottom: 0.5rem;
  position: relative;
}

.waitlist-subtitle {
  font-size: 0.875rem;
  color: color-mix(in oklch, var(--color-base-content) 50%, transparent);
  margin-bottom: 2rem;
}

.waitlist-card {
  max-width: 520px;
  margin: 0 auto;
}

.waitlist-hint {
  font-size: 0.6875rem;
  color: color-mix(in oklch, var(--color-base-content) 35%, transparent);
  margin-top: 0.75rem;
}

/* Waitlist states */
.waitlist-message {
  text-align: center;
  padding: 1rem 0;
}

.waitlist-message .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.waitlist-message h3 {
  margin-bottom: 0.5rem;
}

.waitlist-message p {
  font-size: 0.8125rem;
  color: color-mix(in oklch, var(--color-base-content) 55%, transparent);
}

.waitlist-error {
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: 0.5rem;
}

.waitlist-resend {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.waitlist-resend:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Referral link display */
.referral-box {
  margin-top: 1rem;
  display: flex;
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.referral-box input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-base-200);
  border: none;
  color: var(--color-base-content);
  outline: none;
}

.referral-box button {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  background: color-mix(in oklch, var(--color-primary) 10%, transparent);
  border: none;
  border-left: 1px solid var(--color-base-300);
  color: var(--color-primary);
  cursor: pointer;
  transition: background var(--transition-base);
}

.referral-box button:hover {
  background: color-mix(in oklch, var(--color-primary) 18%, transparent);
}

.referral-hint {
  font-size: 0.6875rem;
  color: color-mix(in oklch, var(--color-base-content) 40%, transparent);
  margin-top: 0.5rem;
}

/* ── Footer ───────────────────────────────────────────── */

.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-base-300);
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.75rem;
  color: color-mix(in oklch, var(--color-base-content) 40%, transparent);
}

.footer-links a:hover {
  color: var(--color-base-content);
}

.footer-copy {
  font-size: 0.6875rem;
  color: color-mix(in oklch, var(--color-base-content) 30%, transparent);
}

.footer-tagline {
  font-size: 0.6875rem;
  color: color-mix(in oklch, var(--color-base-content) 25%, transparent);
  font-style: italic;
}

/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 3.5rem;
    left: 0;
    right: 0;
    background: color-mix(in oklch, var(--color-base-200) 95%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-base-300);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }

  .chooser-grid { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }

  .hero { padding-top: 5rem; min-height: 90vh; }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero-brand { font-size: 2rem; }
  .cursor-blink { height: 1.4rem; }
  .prompt-symbol { font-size: 1.5rem; }
}