:root {
  --bg: #0a0a0f;
  --warm-amber: #c084fc;
  --warm-gold: #a78bfa;
  --coral: #a855f7;
  --teal-glow: #67e8f9;
  --soft-white: #f0ede8;
  --muted: #8a8a9a;
  --card-bg: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.06);

  --font-serif: 'DM Serif Display', serif;
  --font-syne: 'Syne', sans-serif;
  --font-sans: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--soft-white);
  overflow-x: hidden;
}

body.modal-open { overflow: hidden; }

/* Shared brand bits */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  line-height: 1;
}

.brand-mark {
  display: block;
  height: 28px;
  width: auto;
  border-radius: 8px;
  filter: drop-shadow(0 10px 24px rgba(168,85,247,0.25));
}

.brand-fluent {
  font-family: var(--font-serif);
  font-weight: 700;
  background: linear-gradient(135deg, var(--warm-amber) 0%, var(--coral) 50%, var(--teal-glow) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* NAV (matches index look) */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 60px;
  background: linear-gradient(to bottom, rgba(10,10,15,0.9), transparent);
  backdrop-filter: blur(12px);
}

nav .logo {
  text-decoration: none;
  color: var(--soft-white);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--soft-white); }

.nav-links a[aria-current="page"] { color: var(--soft-white); }

.nav-cta {
  background: linear-gradient(135deg, var(--warm-amber), var(--coral));
  color: #0a0a0f !important;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 600 !important;
  transition: opacity 0.3s, transform 0.2s !important;
}
.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

.section-label {
  font-family: var(--font-syne);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm-amber);
  margin-bottom: 16px;
}

/* Footer (matches index look) */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 10;
}

.footer-logo {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--soft-white);
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--soft-white); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Background canvas helper */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

main, section, header, article, footer, nav {
  position: relative;
  z-index: 10;
}

@media (max-width: 1024px) {
  nav { padding: 20px 28px; }
  footer { padding: 40px 28px; }
}

@media (max-width: 820px) {
  nav { padding: 18px 20px; }
  .nav-links { gap: 18px; }
  footer { padding: 40px 28px; flex-direction: column; gap: 18px; align-items: flex-start; }
  .footer-links { gap: 14px 18px; }
}

@media (max-width: 640px) {
  nav { padding: 16px 16px; }
  .nav-links { gap: 12px; }
  .nav-links li:not(:last-child) { display: none; }
}

/* ─── Early access modal (shared) ─── */
.signup-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.signup-modal[hidden] { display: none; }

.signup-modal__scrim {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 14, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.signup-modal__dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  max-height: min(92vh, 720px);
  overflow-y: auto;
  padding: 36px 36px 32px;
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow:
    0 24px 80px rgba(0,0,0,0.45),
    inset 0 1px 0 rgba(255,255,255,0.12);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
}

.signup-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.signup-modal__close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--soft-white);
}

.signup-modal__title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--soft-white);
  padding-right: 36px;
}

.signup-modal__sub {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 28px;
  line-height: 1.5;
}

.signup-field { margin-bottom: 18px; }

.signup-field label {
  display: block;
  font-family: var(--font-syne);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.signup-field input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.25);
  color: var(--soft-white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.signup-field input::placeholder { color: rgba(138,138,154,0.65); }

.signup-field input:focus {
  outline: none;
  border-color: rgba(192,132,252,0.45);
  box-shadow: 0 0 0 3px rgba(192,132,252,0.12);
}

.signup-modal .btn-primary {
  width: 100%;
  margin-top: 8px;
  justify-content: center;
}

.signup-modal__btn[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.signup-modal__msg {
  margin-top: 16px;
  font-size: 0.88rem;
  line-height: 1.5;
  min-height: 1.5em;
}

.signup-modal__msg--ok { color: var(--teal-glow); }
.signup-modal__msg--err { color: #f87171; }