/* ==========================================================================
   Pactolus Digital landing page — Cozy Blue
   ---------------------------------------------------------------------------
   Static, Cloudflare Pages–ready. No build step.
   Twilight navy surfaces, cream / ice type, and a mystery phone.
   First tap on “Spoil yourself” is a cat-bait overlay; five rapid
   clicks toggle `.revealed` and show the CozyVocab flashcard.
   ========================================================================== */


/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */

:root {
  /* Surfaces — muted navy / twilight / periwinkle. Never #000. */
  --color-navy: #141d36;
  --color-twilight: #1b2748;
  --color-dusk: #243356;
  --color-periwinkle: #7b8ec8;
  --color-mist: #9aabd8;

  /* Type & accents — oat, cream, pale ice. Never #FFF. */
  --color-cream: #f3ece2;
  --color-oat: #e6dccb;
  --color-ice: #c9d6ef;
  --color-moon: #f0e6d2;

  --color-cream-muted: rgba(243, 236, 226, 0.72);
  --color-cream-soft: rgba(243, 236, 226, 0.42);
  --color-line: rgba(201, 214, 239, 0.14);

  /* Device chrome — cool slate, not black */
  --color-bezel: #1a2238;

  /* Warm tokens used only inside the revealed app screen
     (the real CozyVocab flashcard, so the surprise feels true). */
  --app-cream: #f7f0e8;
  --app-card: #fffbf7;
  --app-peach: #e8b4a2;
  --app-sage: #b5c4b1;
  --app-cocoa: #4a3728;
  --app-cocoa-muted: rgba(74, 55, 40, 0.7);
  --app-cocoa-soft: rgba(74, 55, 40, 0.42);

  /* Radii — iOS continuous-corner feel */
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 28px;
  --radius-xl: 40px;
  --radius-pill: 999px;

  /* Shadows — deep blue, large and diffused */
  --shadow-soft: 0 8px 32px rgba(8, 14, 32, 0.32);
  --shadow-lift: 0 16px 48px rgba(8, 14, 32, 0.4);
  --shadow-phone: 0 28px 64px rgba(8, 14, 32, 0.48);

  /* Motion — CozyMetrics.spring ≈ 0.45s, damped */
  --ease-cozy: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.35s;
  --duration-reveal: 0.7s;

  /* Type */
  --font: "Nunito", "Avenir Next Rounded", "Segoe UI", sans-serif;
  --leading-tight: 1.15;
  --leading-body: 1.65;

  /* Layout */
  --page-pad: 1.25rem;
  --max-width: 68rem;
  --header-h: 4.25rem;
}


/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--color-cream);
  background-color: var(--color-navy);
  /* Twilight wash — periwinkle upper-left, deep dusk lower-right */
  background-image:
    radial-gradient(ellipse 80% 50% at 0% -10%, rgba(123, 142, 200, 0.28), transparent 55%),
    radial-gradient(ellipse 70% 45% at 100% 8%, rgba(36, 51, 86, 0.9), transparent 50%),
    radial-gradient(ellipse 60% 40% at 70% 100%, rgba(154, 171, 216, 0.12), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-image var(--duration-reveal) var(--ease-cozy);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

button {
  font: inherit;
}


/* --------------------------------------------------------------------------
   3. Accessibility helpers
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-cream);
  color: var(--color-navy);
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform var(--duration) var(--ease-cozy);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-ice);
  outline-offset: 3px;
  border-radius: 8px;
}


/* --------------------------------------------------------------------------
   4. Header / nav
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(20, 29, 54, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  min-height: var(--header-h);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  transition: opacity var(--duration) var(--ease-cozy);
}

.brand:hover {
  opacity: 0.72;
}

.brand__mark {
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 0.55rem;
  background: linear-gradient(145deg, var(--color-periwinkle) 0%, var(--color-ice) 100%);
  box-shadow: 0 4px 14px rgba(123, 142, 200, 0.45);
}

.brand__name {
  font-size: 1.05rem;
}

.nav__link {
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  color: var(--color-ice);
  transition:
    background-color var(--duration) var(--ease-cozy),
    color var(--duration) var(--ease-cozy),
    transform var(--duration) var(--ease-cozy);
}

.nav__link:hover {
  color: var(--color-cream);
  background: rgba(123, 142, 200, 0.28);
  transform: translateY(-1px);
}


/* --------------------------------------------------------------------------
   5. Shared type
   -------------------------------------------------------------------------- */

.eyebrow {
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mist);
}

.lede {
  max-width: 34rem;
  margin-top: 1.1rem;
  font-size: 1.08rem;
  color: var(--color-cream-muted);
}


/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */

.hero {
  display: grid;
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem var(--page-pad) 4.5rem;
}

.hero h1 {
  font-size: clamp(2.15rem, 6.5vw, 3.65rem);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: -0.035em;
}

/* Soft fade while JS swaps mystery ↔ reveal copy */
.hero__copy {
  transition: opacity var(--duration) var(--ease-cozy);
}

.hero__copy.is-fading {
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.85rem;
  padding: 1rem 1.55rem;
  border-radius: 20px;
  background: var(--color-cream);
  color: var(--color-navy);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  box-shadow: var(--shadow-soft);
  transition:
    background-color var(--duration) var(--ease-cozy),
    color var(--duration) var(--ease-cozy),
    transform var(--duration) var(--ease-cozy),
    box-shadow var(--duration) var(--ease-cozy);
}

.btn:hover {
  background: var(--color-oat);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}


/* --------------------------------------------------------------------------
   7. Floating iPhone
   Default: mystery night sky.  .phone.revealed: warm flashcard UI.
   -------------------------------------------------------------------------- */

.phone-glow {
  position: absolute;
  width: min(22rem, 90%);
  height: 22rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 214, 239, 0.32) 0%, transparent 70%);
  top: 12%;
  pointer-events: none;
  filter: blur(8px);
  transition: background var(--duration-reveal) var(--ease-cozy);
}

body.is-revealed .phone-glow {
  background: radial-gradient(circle, rgba(232, 180, 162, 0.38) 0%, transparent 70%);
}

.phone {
  position: relative;
  width: min(17.5rem, 78vw);
  margin: 0;
  animation: float 7s var(--ease-cozy) infinite;
}

.phone__bezel {
  position: relative;
  padding: 0.7rem;
  border-radius: 2.65rem;
  background: linear-gradient(160deg, #3a4a72 0%, var(--color-bezel) 45%, #10182c 100%);
  box-shadow:
    var(--shadow-phone),
    inset 0 1px 0 rgba(201, 214, 239, 0.18),
    inset 0 0 0 1px rgba(8, 14, 32, 0.45);
}

.phone__island {
  position: absolute;
  top: 1.05rem;
  left: 50%;
  z-index: 3;
  width: 5.6rem;
  height: 1.35rem;
  transform: translateX(-50%);
  border-radius: var(--radius-pill);
  background: var(--color-bezel);
}

.phone__screen {
  position: relative;
  min-height: 34rem;
  border-radius: 2.1rem;
  overflow: hidden;
  background: var(--color-navy);
}


/* --- Mystery layer (default) --------------------------------------------- */

.phone__mystery {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(240, 230, 210, 0.18) 0%, transparent 34%),
    radial-gradient(circle at 28% 78%, rgba(123, 142, 200, 0.45) 0%, transparent 48%),
    linear-gradient(180deg, #1e2c52 0%, #121a32 58%, #1a2450 100%);
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
  pointer-events: auto;
  transition:
    opacity var(--duration-reveal) var(--ease-cozy),
    transform var(--duration-reveal) var(--ease-cozy),
    filter var(--duration-reveal) var(--ease-cozy);
}

.mystery-glow {
  position: absolute;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 230, 210, 0.45) 0%, transparent 70%);
  animation: pulse-glow 4.5s var(--ease-cozy) infinite;
  pointer-events: none;
}

/* Crescent moon — inset shadow, so the bite stays clean over the gradient */
.moon {
  position: relative;
  z-index: 1;
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  background: transparent;
  box-shadow:
    inset -14px -7px 0 2px var(--color-moon),
    0 0 36px rgba(240, 230, 210, 0.35);
}

.mystery-caption {
  position: relative;
  z-index: 1;
  margin-top: 1.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-ice);
  opacity: 0.7;
}

.star {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-ice);
  animation: twinkle 3.2s ease-in-out infinite;
}

.star--a { top: 18%; left: 22%; animation-delay: 0s; }
.star--b { top: 28%; right: 18%; width: 3px; height: 3px; animation-delay: 0.8s; }
.star--c { top: 62%; left: 16%; animation-delay: 1.4s; }
.star--d { bottom: 22%; right: 24%; width: 5px; height: 5px; animation-delay: 0.4s; }
.star--e { top: 14%; left: 58%; width: 3px; height: 3px; animation-delay: 1.9s; }


/* --- Revealed app layer -------------------------------------------------- */

.phone__app {
  display: flex;
  flex-direction: column;
  min-height: 34rem;
  padding: 2.4rem 0.95rem 0.85rem;
  background: var(--app-cream);
  color: var(--app-cocoa);
  opacity: 0;
  transform: scale(0.96) translateY(10px);
  filter: blur(10px);
  pointer-events: none;
  transition:
    opacity var(--duration-reveal) var(--ease-cozy),
    transform var(--duration-reveal) var(--ease-cozy),
    filter var(--duration-reveal) var(--ease-cozy);
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.55rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.status-bar__icons {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.status-bar__signal {
  width: 0.95rem;
  height: 0.7rem;
  background:
    linear-gradient(to top, var(--app-cocoa) 35%, transparent 35%) left / 18% 100% no-repeat,
    linear-gradient(to top, var(--app-cocoa) 50%, transparent 50%) 33% / 18% 100% no-repeat,
    linear-gradient(to top, var(--app-cocoa) 72%, transparent 72%) 66% / 18% 100% no-repeat,
    linear-gradient(to top, var(--app-cocoa) 100%, transparent 100%) right / 18% 100% no-repeat;
}

.status-bar__battery {
  width: 1.35rem;
  height: 0.7rem;
  border: 1.5px solid var(--app-cocoa);
  border-radius: 3px;
  position: relative;
}

.status-bar__battery::after {
  content: "";
  position: absolute;
  inset: 2px 6px 2px 2px;
  border-radius: 1px;
  background: var(--app-sage);
}

.phone__deck {
  margin: 0 0.15rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--app-cocoa-soft);
}

.flashcard {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  padding: 1.35rem 1.1rem 1.2rem;
  border-radius: var(--radius-lg);
  background: var(--app-card);
  box-shadow: 0 8px 32px rgba(74, 55, 40, 0.12);
  text-align: center;
}

.flashcard__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--app-peach);
}

.flashcard__word {
  margin-top: 1.65rem;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.flashcard__phonetic {
  margin-top: 0.4rem;
  font-size: 0.95rem;
  color: var(--app-cocoa-soft);
}

.flashcard__example {
  margin-top: 1.1rem;
  font-size: 0.88rem;
  font-style: italic;
  color: var(--app-cocoa-muted);
  line-height: 1.45;
}

.flashcard__hint {
  margin-top: auto;
  padding-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--app-cocoa-soft);
}

.phone__home {
  width: 6.5rem;
  height: 0.32rem;
  margin: 0.85rem auto 0.2rem;
  border-radius: var(--radius-pill);
  background: rgba(74, 55, 40, 0.22);
}


/* --- Revealed state ------------------------------------------------------ */

.phone.revealed .phone__mystery {
  opacity: 0;
  transform: scale(1.06);
  filter: blur(14px);
  pointer-events: none;
}

.phone.revealed .phone__app {
  opacity: 1;
  transform: scale(1) translateY(0);
  filter: blur(0);
  pointer-events: auto;
}


/* --------------------------------------------------------------------------
   8. About Pactolus Digital
   -------------------------------------------------------------------------- */

.about {
  padding: 0 var(--page-pad) 3.5rem;
}

.about__card {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.25rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--color-dusk);
  box-shadow: var(--shadow-soft);
}

.about h2 {
  max-width: 38rem;
  font-size: clamp(1.45rem, 3.4vw, 2.05rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.about__body {
  max-width: 38rem;
  margin-top: 1.15rem;
  color: var(--color-cream-muted);
}


/* --------------------------------------------------------------------------
   9. Spoil yourself
   -------------------------------------------------------------------------- */

.spoil-wrap {
  display: flex;
  justify-content: center;
  padding: 0 var(--page-pad) 3.25rem;
  /* Sit above the bait overlay so a 5-click mash still reaches the button. */
  position: relative;
  z-index: 40;
}

.spoil-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.55rem;
  border: 1px solid rgba(201, 214, 239, 0.32);
  border-radius: var(--radius-pill);
  background: rgba(201, 214, 239, 0.1);
  color: var(--color-cream);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  user-select: none;
  box-shadow: var(--shadow-soft);
  transition:
    background-color var(--duration) var(--ease-cozy),
    color var(--duration) var(--ease-cozy),
    border-color var(--duration) var(--ease-cozy),
    transform var(--duration) var(--ease-cozy),
    box-shadow var(--duration) var(--ease-cozy);
}

.spoil-btn:hover {
  background: rgba(201, 214, 239, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.spoil-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--shadow-soft);
}

.spoil-btn[aria-pressed="true"] {
  background: var(--color-cream);
  border-color: var(--color-cream);
  color: var(--color-navy);
}


/* --------------------------------------------------------------------------
   10. Cat-bait overlay
   First click trolls; the card matches Cozy Blue (dusk fill, 24px radii).
   -------------------------------------------------------------------------- */

.bait {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--page-pad);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--duration) var(--ease-cozy),
    visibility var(--duration) var(--ease-cozy);
}

.bait.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.bait__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 29, 54, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.bait__card {
  position: relative;
  z-index: 1;
  width: min(22.5rem, 100%);
  padding: 1.15rem 1.15rem 1.35rem;
  border-radius: var(--radius-md);
  background: var(--color-dusk);
  box-shadow: var(--shadow-lift);
  transform: translateY(14px) scale(0.96);
  transition: transform var(--duration) var(--ease-cozy);
}

.bait.is-open .bait__card {
  transform: translateY(0) scale(1);
}

.bait__gif {
  width: 100%;
  height: 14.5rem;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  background: var(--color-navy);
}

.bait__text {
  margin: 1.15rem 0.35rem 1.25rem;
  text-align: center;
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--color-cream);
}

.bait__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: none;
  border-radius: 20px;
  background: var(--color-cream);
  color: var(--color-navy);
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition:
    background-color var(--duration) var(--ease-cozy),
    transform var(--duration) var(--ease-cozy),
    box-shadow var(--duration) var(--ease-cozy);
}

.bait__close:hover {
  background: var(--color-oat);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.bait__close:active {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}


/* --------------------------------------------------------------------------
   11. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  background: rgba(16, 24, 44, 0.55);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.75rem var(--page-pad) 2.25rem;
}

.footer__legal a {
  font-size: 0.9rem;
  color: var(--color-cream-muted);
}

.footer__email {
  font-weight: 700;
  color: var(--color-cream);
  transition: color var(--duration) var(--ease-cozy);
}

.footer__email:hover {
  color: var(--color-ice);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
}

.footer__legal a {
  font-weight: 600;
  transition: color var(--duration) var(--ease-cozy);
}

.footer__legal a:hover {
  color: var(--color-cream);
}


/* --------------------------------------------------------------------------
   12. Motion
   -------------------------------------------------------------------------- */

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(-1.6deg);
  }
  50% {
    transform: translateY(-12px) rotate(-1.6deg);
  }
}

@keyframes pulse-glow {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.12);
    opacity: 0.95;
  }
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.35);
  }
}


/* --------------------------------------------------------------------------
   13. Responsive — tablet
   -------------------------------------------------------------------------- */

@media (min-width: 720px) {
  :root {
    --page-pad: 2rem;
  }

  .hero {
    padding-top: 4rem;
    padding-bottom: 5.5rem;
  }

  .about__card {
    padding: 3rem 3.25rem;
  }

  .footer__inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 2rem;
  }
}


/* --------------------------------------------------------------------------
   14. Responsive — desktop
   -------------------------------------------------------------------------- */

@media (min-width: 960px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem 3rem;
    padding-top: 4.5rem;
    padding-bottom: 6rem;
  }

  .hero__copy {
    padding-right: 0.5rem;
  }

  .phone {
    width: 18.25rem;
  }

  .phone__screen,
  .phone__app {
    min-height: 36rem;
  }
}


/* --------------------------------------------------------------------------
   15. Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .phone {
    transform: none;
  }
}