/* ==========================================================================
   Prāṇa Audio — Coming Soon
   Design tokens: fresh, clean, energetic hi-fi identity.
   "Prāṇa" = breath / life-force — palette leans on a bold blue-green
   aurora signal accent instead of the moody black/gold audiophile cliché.
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Surfaces — crisp, cool-neutral off-white (fresh air, not warm beige) */
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-surface-2: #f4f6f2;
  --color-surface-offset: #eef1ec;
  --color-surface-offset-2: #e6eae2;
  --color-divider: #e2e6de;
  --color-border: #d7ddd1;

  /* Text */
  --color-text: #11170f;
  --color-text-muted: #59635a;
  --color-text-faint: #9aa398;
  --color-text-inverse: #fafaf8;

  /* Primary accent — "Prāṇa Aurora": bold, high-energy blue-green signal */
  --color-primary: #09908b;
  --color-primary-hover: #067471;
  --color-primary-active: #045855;
  --color-primary-highlight: #e7f9f7;

  /* Supporting warm accent — used sparingly for the "energy" badge only */
  --color-warm: #e8703a;
  --color-warm-highlight: #f7ddcd;

  --color-success: #17915e;
  --color-error: #b3413a;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 145 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 145 / 0.08);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 145 / 0.14);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Cabinet Grotesk', 'General Sans', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0d120e;
  --color-surface: #131912;
  --color-surface-2: #171e15;
  --color-surface-offset: #1b2318;
  --color-surface-offset-2: #212b1d;
  --color-divider: #232c20;
  --color-border: #2c3627;

  --color-text: #e7ece4;
  --color-text-muted: #98a293;
  --color-text-faint: #626e5d;
  --color-text-inverse: #11170f;

  --color-primary: #36e2d1;
  --color-primary-hover: #51ecdc;
  --color-primary-active: #12d9cc;
  --color-primary-highlight: #183439;

  --color-warm: #f2926a;
  --color-warm-highlight: #3a2a1f;

  --color-success: #4bd696;
  --color-error: #e2837c;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-bg: #0d120e;
    --color-surface: #131912;
    --color-surface-2: #171e15;
    --color-surface-offset: #1b2318;
    --color-surface-offset-2: #212b1d;
    --color-divider: #232c20;
    --color-border: #2c3627;
    --color-text: #e7ece4;
    --color-text-muted: #98a293;
    --color-text-faint: #626e5d;
    --color-text-inverse: #11170f;
    --color-primary: #36e2d1;
    --color-primary-hover: #51ecdc;
    --color-primary-active: #12d9cc;
    --color-primary-highlight: #183439;
    --color-warm: #f2926a;
    --color-warm-highlight: #3a2a1f;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 8px 24px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.45);
  }
}

/* ---------- Type scale ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6.5vw, 6.75rem);
}

/* ---------- Spacing ---------- */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* ==========================================================================
   Site header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.brand__logo {
  height: clamp(1.75rem, 4vw, 2.5rem);
  width: auto;
  display: block;
  transition: filter var(--transition-interactive);
}

/* Logo artwork is pure black/white — inverting flips it to a clean
   light-on-dark lockup while preserving transparency. */
[data-theme='dark'] .brand__logo,
[data-theme='dark'] .footer-mark {
  filter: invert(1);
}

.footer-mark {
  width: 22px;
  height: 22px;
  display: block;
  flex-shrink: 0;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface);
}

.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding-block: clamp(var(--space-16), 12vw, var(--space-32))
    clamp(var(--space-12), 8vw, var(--space-20));
  overflow: hidden;
  /* Fixed "aurora night" tokens — the hero always shows the photo treatment,
     independent of the light/dark toggle, so contrast never breaks. */
  --hero-fg: #f5f8f4;
  --hero-fg-muted: #cdd9cf;
  --hero-fg-faint: #a4b3a6;
  --hero-accent: #3fe9d8;
  --hero-accent-hover: #7ff5e8;
  --hero-surface: rgba(12, 22, 20, 0.45);
  --hero-border: rgba(255, 255, 255, 0.22);
}

.hero__photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url('assets/hero-aurora.webp');
  background-size: cover;
  background-position: center 30%;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 12, 11, 0.6) 0%, rgba(6, 12, 11, 0.72) 45%, rgba(7, 12, 10, 0.94) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.15));
}

.hero__waves {
  position: absolute;
  inset: 0;
  z-index: 0;
  fill: #ffffff;
  opacity: 0.14;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
  max-width: 780px;
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--hero-surface);
  border: 1px solid var(--hero-border);
  color: var(--hero-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hero-accent);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--hero-fg);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.hero h1 em {
  font-style: normal;
  color: var(--hero-accent);
}

.hero__sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--hero-fg-muted);
  max-width: 56ch;
  font-weight: 400;
}

/* ---------- Email form ---------- */

.signup {
  width: 100%;
  max-width: 460px;
  margin-top: var(--space-4);
}

.signup__row {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--hero-surface);
  border: 1px solid var(--hero-border);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(10px);
}

.signup__row:has(input:focus-visible) {
  border-color: var(--hero-accent);
  box-shadow: 0 0 0 3px rgba(63, 233, 216, 0.25);
}

.signup input[type='email'] {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--hero-fg);
}

.signup input[type='email']::placeholder {
  color: var(--hero-fg-faint);
}

.signup input[type='email']:focus-visible {
  outline: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}

.btn--primary {
  background: var(--hero-accent);
  color: #06201d;
}

.btn--primary:hover {
  background: var(--hero-accent-hover);
}

.btn--primary:active {
  transform: translateY(1px);
}

.signup__note {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--hero-fg-faint);
}

.signup__contact {
  margin-top: var(--space-2);
  font-size: var(--text-base);
  color: var(--hero-fg-muted);
}

.signup__contact a {
  color: var(--hero-accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 233, 216, 0.4);
}

.signup__contact a:hover {
  color: var(--hero-accent-hover);
  border-bottom-color: var(--hero-accent);
}

.signup__status {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  min-height: 1.4em;
}

.signup__status[data-state='success'] {
  color: #5eeab0;
}

.signup__status[data-state='error'] {
  color: #ff9b8f;
}

.signup__success[hidden] {
  display: none;
}

.signup__success {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--hero-surface);
  border: 1px solid rgba(63, 233, 216, 0.4);
  border-radius: var(--radius-lg);
  color: var(--hero-fg);
  backdrop-filter: blur(10px);
}

.signup__success-icon {
  flex-shrink: 0;
  color: var(--hero-accent);
}

.signup__success p {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.5;
}

/* ==========================================================================
   Countdown / launch strip
   ========================================================================== */

.strip {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}

.strip__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(var(--space-6), 6vw, var(--space-16));
  padding-block: var(--space-8);
  text-align: center;
}

.strip__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.strip__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 650;
  color: var(--color-primary);
}

.strip__label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ==========================================================================
   "What's coming" cards
   ========================================================================== */

.coming {
  text-align: center;
}

.coming__eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
}

.coming h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 650;
  letter-spacing: -0.01em;
  margin-top: var(--space-3);
  color: var(--color-text);
}

.coming__sub {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-inline: auto;
  font-size: var(--text-base);
}

.card-grid {
  margin-top: clamp(var(--space-10), 6vw, var(--space-16));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  text-align: left;
}

.card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.card__icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

.card p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.card__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
}

.card__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-faint);
}

.card--active .card__status {
  color: var(--color-primary);
}
.card--active .card__status-dot {
  background: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-divider);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-8);
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.site-footer__brand svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.site-footer__links {
  display: flex;
  gap: var(--space-5);
}

.site-footer__links a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--color-primary);
}

.social {
  display: flex;
  gap: var(--space-3);
}

.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.social a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.social svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 860px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .signup__row {
    flex-direction: column;
    border-radius: var(--radius-lg);
  }
  .btn--primary {
    width: 100%;
  }
  .strip__inner {
    gap: var(--space-8);
  }
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .eyebrow__dot {
    animation: none;
  }
}