/* ============================================================
   iWOOsah marketing site
   Mirrors the app's design tokens: navy-cosmic background,
   cyan + gold accents, Archivo display, Ubuntu body.
   Supports a light / dark theme toggle via [data-theme].
   ============================================================ */

:root {
  /* Brand accents — constant across light & dark themes. */
  --color-cyan: #1A8FD1;
  --color-cyan-strong: #2AA3E9;
  --color-gold: #C49A2A;
  --color-violet: #B596F3;
  --color-white: #FFFFFF;

  /* Typography */
  --font-display: 'Archivo', system-ui, -apple-system, sans-serif;
  --font-body: 'Ubuntu', system-ui, -apple-system, sans-serif;
  --font-mono: 'Ubuntu Mono', 'SF Mono', monospace;

  /* Sizing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --container: 1180px;
  --container-narrow: 760px;
}

/* ------------ Dark theme (default) ------------ */

:root,
[data-theme="dark"] {
  --color-bg: #001228;
  --color-surface: #0A1F3A;
  --color-heading: #FFFFFF;
  --color-text: rgba(255, 255, 255, 0.92);
  --color-text-soft: rgba(255, 255, 255, 0.70);
  --color-text-muted: rgba(255, 255, 255, 0.50);
  --color-link: #4FB0E6;
  --color-link-hover: #7FC8EF;
  --color-cyan-soft: rgba(26, 143, 209, 0.15);
  --color-gold-soft: rgba(196, 154, 42, 0.18);

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-soft: rgba(255, 255, 255, 0.05);
  --color-border-strong: rgba(255, 255, 255, 0.18);
  --color-card: rgba(10, 31, 58, 0.65);
  --color-card-soft: rgba(10, 31, 58, 0.55);
  --color-card-strong: rgba(10, 31, 58, 0.85);
  --color-nav-bg: rgba(0, 18, 40, 0.72);
  --color-nav-open: rgba(0, 18, 40, 0.96);
  --color-footer-bg: rgba(0, 18, 40, 0.55);

  --shadow-cyan: 0 14px 40px rgba(26, 143, 209, 0.18);
  --shadow-shot: 0 30px 80px rgba(0, 0, 0, 0.45),
                 0 0 0 1px rgba(255, 255, 255, 0.06);
  --shadow-thumb: 0 16px 40px rgba(0, 0, 0, 0.40),
                  0 0 0 1px rgba(255, 255, 255, 0.05);

  --body-bg-image:
    radial-gradient(1100px 600px at 80% -10%, rgba(26, 143, 209, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(196, 154, 42, 0.06), transparent 60%),
    url('/images/starfield.jpg');
  --body-bg-size: auto, auto, cover;
}

/* ------------ Light theme ------------ */

[data-theme="light"] {
  --color-bg: #EEF2F8;
  --color-surface: #FFFFFF;
  --color-heading: #07172E;
  --color-text: rgba(7, 23, 46, 0.92);
  --color-text-soft: rgba(7, 23, 46, 0.66);
  --color-text-muted: rgba(7, 23, 46, 0.48);
  --color-link: #0D679E;
  --color-link-hover: #1A8FD1;
  --color-cyan-soft: rgba(26, 143, 209, 0.12);
  --color-gold-soft: rgba(196, 154, 42, 0.16);

  --color-border: rgba(7, 23, 46, 0.10);
  --color-border-soft: rgba(7, 23, 46, 0.08);
  --color-border-strong: rgba(7, 23, 46, 0.20);
  --color-card: rgba(255, 255, 255, 0.92);
  --color-card-soft: rgba(255, 255, 255, 0.80);
  --color-card-strong: #FFFFFF;
  --color-nav-bg: rgba(238, 242, 248, 0.82);
  --color-nav-open: rgba(238, 242, 248, 0.98);
  --color-footer-bg: rgba(224, 231, 240, 0.70);

  --shadow-cyan: 0 14px 40px rgba(26, 143, 209, 0.22);
  --shadow-shot: 0 30px 80px rgba(7, 23, 46, 0.20),
                 0 0 0 1px rgba(7, 23, 46, 0.07);
  --shadow-thumb: 0 16px 40px rgba(7, 23, 46, 0.14),
                  0 0 0 1px rgba(7, 23, 46, 0.05);

  --body-bg-image:
    radial-gradient(1100px 600px at 80% -10%, rgba(26, 143, 209, 0.12), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(196, 154, 42, 0.12), transparent 60%);
  --body-bg-size: auto, auto;
}

/* ------------ Reset + base ------------ */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: var(--body-bg-image);
  background-size: var(--body-bg-size);
  background-position: top right, bottom left, center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 300ms ease, color 300ms ease;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-link); text-decoration: none; transition: color 120ms ease; }
a:hover { color: var(--color-link-hover); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: var(--color-heading);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

/* ------------ Layout helpers ------------ */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: var(--container-narrow); }

.section {
  padding: 96px 0;
}
.section--tight { padding: 64px 0; }

.eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-cyan);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

/* ------------ Nav ------------ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background 300ms ease, border-color 300ms ease;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.nav__logo img { height: 24px; }
.nav__logo-img--light { display: none; }
[data-theme="light"] .nav__logo-img--dark { display: none; }
[data-theme="light"] .nav__logo-img--light { display: block; }
.nav__links {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.nav__links a {
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
}
.nav__links a:hover { color: var(--color-cyan); }
.nav__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav__cta { display: inline-flex; }
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-heading);
  font-size: 22px;
  cursor: pointer;
  padding: 6px;
}

/* ------------ Theme toggle ------------ */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  background: none;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  color: var(--color-text);
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease;
}
.theme-toggle:hover {
  color: var(--color-cyan);
  border-color: var(--color-cyan);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-icon-moon { display: none; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }

@media (max-width: 820px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: block; }
  .nav__links.is-open {
    display: flex;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--color-nav-open);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 14px;
    border-bottom: 1px solid var(--color-border);
  }
}

/* ------------ Buttons ------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, color 120ms ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--color-cyan);
  color: var(--color-white);
  box-shadow: var(--shadow-cyan);
}
.btn--primary:hover { background: var(--color-cyan-strong); color: var(--color-white); }
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover { color: var(--color-cyan); border-color: var(--color-cyan); }
.btn--large { padding: 16px 28px; font-size: 17px; }

/* ------------ App-store badges ------------ */

.store-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  min-width: 204px;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  color: #FFFFFF;
  transition: transform 120ms ease, border-color 120ms ease;
}
.store-badge:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.6);
  color: #FFFFFF;
}
.store-badge__glyph {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.store-badge__text {
  display: flex;
  flex-direction: column;
  line-height: 1.12;
  text-align: left;
}
.store-badge__text small {
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.78);
}
.store-badge__text strong {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
}

/* ------------ Hero ------------ */

.hero {
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; text-align: center; }
}
.hero__copy h1 {
  font-size: clamp(2.6rem, 6vw, 4rem);
  margin-bottom: 24px;
}
.hero__h1-accent {
  color: var(--color-cyan);
}
.hero__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--color-text-soft);
  border-left: 3px solid var(--color-gold);
  padding-left: 18px;
  margin: 28px 0;
  max-width: 540px;
}
@media (max-width: 900px) {
  .hero__tagline { margin-left: auto; margin-right: auto; }
}
.hero__lede {
  font-size: 1.15rem;
  color: var(--color-text-soft);
  max-width: 540px;
}
@media (max-width: 900px) {
  .hero__lede { margin-left: auto; margin-right: auto; }
}
.hero__actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
@media (max-width: 900px) {
  .hero__actions { justify-content: center; }
}
.hero__storenote {
  margin-top: 18px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}
@media (max-width: 900px) {
  .hero__storenote { text-align: center; }
}
.hero__shot {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-shot);
  max-width: 360px;
  margin: 0 auto;
}

/* ------------ "Room / voice / practice" pillars ------------ */

.dyad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
@media (max-width: 980px) {
  .dyad { grid-template-columns: 1fr; }
}
.dyad__card {
  padding: 32px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.dyad__card h3 {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 14px;
}
.dyad__glyph {
  font-size: 1.4em;
  color: var(--color-cyan);
}
.dyad__card--gold .dyad__glyph { color: var(--color-gold); }
.dyad__card--violet .dyad__glyph { color: var(--color-violet); }

/* ------------ Astro-numeric Blueprint ------------ */

.blueprint__layers { margin-top: 40px; }
.blueprint__pillars-head {
  text-align: center;
  margin: 64px 0 4px;
}
.pillars {
  max-width: 820px;
  margin: 0 auto;
}
.pillar {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--color-border);
}
.pillar:last-child { border-bottom: 1px solid var(--color-border); }
.pillar__num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1.1;
}
.pillar__q { font-size: 1.15rem; margin: 0 0 6px; }
.pillar__a { color: var(--color-text-soft); font-size: 0.97rem; margin: 0; }
.blueprint__insight {
  max-width: 760px;
  margin: 56px auto 0;
  text-align: center;
  padding: 36px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.blueprint__insight blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  line-height: 1.3;
  color: var(--color-heading);
  margin: 0 0 14px;
  padding: 0;
  border: 0;
}
.blueprint__insight p { color: var(--color-text-soft); margin: 0; }

/* ------------ Feature grid (3-up) ------------ */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}
@media (max-width: 900px) { .features { grid-template-columns: 1fr; } }
.feature {
  padding: 28px;
  background: var(--color-card-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  transition: transform 200ms ease, border-color 200ms ease;
}
.feature:hover {
  transform: translateY(-3px);
  border-color: rgba(26, 143, 209, 0.45);
}
.feature__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--color-cyan-soft);
  color: var(--color-cyan);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.feature h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature p { color: var(--color-text-soft); font-size: 0.95rem; }

/* ------------ Screenshot showcase ------------ */

.showcase {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.showcase img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-thumb);
}
.showcase figcaption {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 10px;
}
.showcase figure { margin: 0; }

/* Theme-swapped screenshots — a dark-UI screenshot shows while the site
   is in light mode, a light-UI screenshot while the site is in dark mode. */
.shot--dark { display: none; }
[data-theme="light"] .shot--light { display: none; }
[data-theme="light"] .shot--dark { display: block; }

/* ------------ Pricing ------------ */

.pricing {
  display: flex;
  justify-content: center;
}
.pricing__card {
  max-width: 440px;
  width: 100%;
  padding: 36px;
  text-align: center;
  background: var(--color-card-strong);
  border: 1px solid rgba(26, 143, 209, 0.35);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-cyan);
}
.pricing__price {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 6vw, 3.4rem);
  color: var(--color-heading);
  margin: 12px 0 4px;
  font-weight: 700;
}
.pricing__period {
  color: var(--color-text-soft);
  font-size: 1rem;
  margin-bottom: 18px;
}
.pricing__features {
  list-style: none;
  padding: 0;
  margin: 22px 0 28px;
  text-align: left;
  color: var(--color-text-soft);
  font-size: 0.95rem;
}
.pricing__features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex; gap: 10px;
}
.pricing__features li::before {
  content: '✓';
  color: var(--color-cyan);
  font-weight: 700;
}
.pricing__features li:last-child { border-bottom: none; }
.pricing__autorenew {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 18px;
}

/* ------------ Legal / page content ------------ */

.page-hero {
  padding: 80px 0 32px;
  text-align: left;
}
.page-hero h1 {
  margin-bottom: 8px;
}
.page-hero__meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.legal-content {
  color: var(--color-text-soft);
  font-size: 1rem;
  line-height: 1.7;
}
.legal-content h3 {
  color: var(--color-heading);
  font-size: 1.2rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.legal-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.legal-content li { margin-bottom: 0.4rem; }
.legal-content strong { color: var(--color-heading); font-weight: 600; }
.legal-content a { color: var(--color-link); }

/* ------------ Contact ------------ */

.contact-card {
  padding: 36px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.contact-card .btn { margin-top: 18px; }

.contact-social { margin-bottom: 40px; }
.contact-social__heading { margin: 6px 0 18px; }
.contact-social__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 720px) {
  .contact-social__grid { grid-template-columns: 1fr; }
}
.contact-social__card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  transition: transform 160ms ease, border-color 160ms ease;
}
.contact-social__card:hover,
.contact-social__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--color-cyan);
}
.contact-social__icon {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border-radius: 50%;
  overflow: hidden;
}
.contact-social__icon img,
.contact-social__icon svg { width: 100%; height: 100%; display: block; }
.contact-social__platform { font-weight: 600; font-size: 1rem; line-height: 1.2; }
.contact-social__handle { color: var(--color-text-soft); font-size: 0.92rem; margin-top: 2px; }

/* ------------ Footer ------------ */

.footer {
  padding: 56px 0 32px;
  border-top: 1px solid var(--color-border);
  margin-top: 96px;
  background: var(--color-footer-bg);
}
.footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  align-items: center;
}
.footer__brand img { height: 22px; margin-bottom: 14px; }
.footer__logo-img--light { display: none; }
[data-theme="light"] .footer__logo-img--dark { display: none; }
[data-theme="light"] .footer__logo-img--light { display: block; }
.footer__tag {
  font-style: italic;
  color: var(--color-text-soft);
  font-size: 0.95rem;
  max-width: 280px;
}
.footer__links {
  display: flex;
  gap: 26px;
}
.footer__links a {
  color: var(--color-text-soft);
  font-size: 0.92rem;
}
.footer__links a:hover { color: var(--color-cyan); }
.footer__social {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 14px;
  align-items: center;
}
.footer__social li { display: inline-flex; }
.footer__social a {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  transition: transform 120ms ease, opacity 120ms ease;
  opacity: 0.85;
}
.footer__social a:hover,
.footer__social a:focus-visible { transform: translateY(-2px); opacity: 1; }
.footer__social img,
.footer__social svg { width: 100%; height: 100%; display: block; }
.footer__legal {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ------------ Animations ------------ */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect user motion settings */
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  body { transition: none; }
}