/* ================================================================
   Caldra Learning — shared design system (warm paper)
   Fraunces (display) · Bricolage Grotesque (body) · JetBrains Mono (micro)
   ================================================================ */

:root {
  --paper: #FAF3E7;
  --paper-2: #F6EBD6;
  --paper-3: #FFFDF7;
  --ink: #2A2118;
  --ink-soft: #6B5D49;
  --ink-mute: #8A7A62;
  --coral: #E85D3C;
  --coral-deep: #C4482E;
  --gold: #B08954;
  --line: #E9DCC5;
  --night: #211812;
  --night-2: #2C2015;
  --night-text: #F3E7D2;
  --moss: #5B7B5C;
  --indigo: #4A5BA6;
  --teal: #1D8A78;
  --plum: #7B5CB8;
  --pink: #C94F7C;
  --money: #C08A1E;
  --rust: #B0562F;
  --olive: #6B7F3A;
  --nav-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Bricolage Grotesque', -apple-system, system-ui, sans-serif;
  font-variation-settings: "wdth" 92, "opsz" 24;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img, svg, canvas { max-width: 100%; display: block; }
button, input { font: inherit; }
::selection { background: var(--coral); color: #fff; }

.fr { font-family: 'Fraunces', Georgia, serif; font-variation-settings: "SOFT" 75, "opsz" 96; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

.wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--coral);
}
.night .eyebrow { color: var(--gold); }

h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-variation-settings: "SOFT" 75, "opsz" 96; font-weight: 500; line-height: 1.12; letter-spacing: -0.015em; }

/* ---------------- nav ---------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .35s, box-shadow .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(250, 243, 231, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: baseline; gap: 7px; }
.brand .b1 { font-family: 'Fraunces', serif; font-weight: 600; font-size: 21px; color: var(--ink); }
.brand .b2 { font-family: 'Fraunces', serif; font-style: italic; font-weight: 400; font-size: 19px; color: var(--gold); }
.nav-links { display: flex; gap: 26px; }
.nav-links a { font-size: 14.5px; color: var(--ink-soft); transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-login { font-size: 14px; font-weight: 600; color: var(--ink-soft); white-space: nowrap; transition: color .2s; }
.nav-login:hover { color: var(--ink); }
.night .nav-login { color: rgba(243, 231, 210, 0.72); }
.night .nav-login:hover { color: var(--night-text); }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; border-radius: 999px;
  font-size: 15px; font-weight: 600; padding: 13px 26px;
  font-family: inherit; transition: transform .18s, box-shadow .25s, background .25s, color .2s;
}
.btn:active { transform: scale(0.97); }
.btn-coral {
  color: #fff;
  background: linear-gradient(120deg, var(--coral) 0%, #F0813C 100%);
  box-shadow: 0 8px 26px rgba(196, 72, 46, 0.30);
}
.btn-coral:hover { box-shadow: 0 10px 32px rgba(196, 72, 46, 0.42); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid rgba(42, 33, 24, 0.35); }
.btn-ghost:hover { border-color: var(--ink); }
.night .btn-ghost { color: var(--night-text); border-color: rgba(243, 231, 210, 0.25); }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }

/* ---------------- sections ---------------- */
section { position: relative; }
.sect { padding: 110px 0; }
.sect-head { max-width: 640px; margin-bottom: 3rem; }
.sect-head h2 { font-size: clamp(30px, 4.2vw, 46px); margin-top: 0.9rem; }
.sect-head p { color: var(--ink-soft); margin-top: 1rem; font-size: 18px; }
.night { background: var(--night); color: var(--night-text); }
.night .sect-head p { color: rgba(243, 231, 210, 0.72); }

/* ---------------- reveals ---------------- */
.rv { transition: opacity .8s cubic-bezier(.22,.9,.3,1), transform .8s cubic-bezier(.22,.9,.3,1); }
body.anim .rv { opacity: 0; transform: translateY(26px); }
body.anim .rv.in { opacity: 1; transform: none; }

/* ---------------- pinned scenes ---------------- */
.pin { position: relative; }
.pin-viewport {
  position: sticky; top: 0;
  height: 100vh; height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  overflow: hidden;
  padding-top: calc(var(--nav-h) + 10px);
}
body.static .pin { height: auto !important; }
body.static .pin-viewport { position: static; height: auto; padding: 90px 0; overflow: visible; }

/* ================================================================
   THE ORB — Caldra's character
   ================================================================ */
.orb {
  /* rendered at 2x the visual base size and scaled DOWN — a raster
     scaled up goes soft; scaled down it stays crisp */
  position: fixed; left: 0; top: 0;
  width: 240px; height: 240px;
  z-index: 60; pointer-events: none;
  opacity: 0; transition: opacity .6s;
  will-change: transform;
}
.orb.ready { opacity: 1; }
.orb-ball {
  position: relative; width: 100%; height: 100%;
  border-radius: 50%;
  will-change: transform;
  box-shadow: 0 0 70px rgba(245, 155, 75, 0.42);
  transition: box-shadow 1s;
}
.orb.docked .orb-ball { animation: orb-breathe 4.4s ease-in-out infinite; }
.orb-ball::before {
  content: ""; position: absolute; inset: -48%; border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 155, 75, 0.30) 0%, rgba(245, 155, 75, 0.10) 46%, transparent 70%);
  transition: opacity 1s;
}
.orb[data-mood="thinking"] .orb-ball::before { background: radial-gradient(circle, rgba(151, 135, 181, 0.28) 0%, rgba(151, 135, 181, 0.10) 46%, transparent 70%); }
.orb[data-mood="calm"] .orb-ball::before { background: radial-gradient(circle, rgba(232, 184, 109, 0.28) 0%, rgba(232, 184, 109, 0.10) 46%, transparent 70%); }
.orb[data-mood="dim"] .orb-ball::before { opacity: 0.18; }
.orb-ball::after {
  content: ""; position: absolute; left: 24%; top: 13%; width: 17%; height: 13%;
  border-radius: 50%; z-index: 1;
  background: radial-gradient(circle at 45% 40%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0) 70%);
  filter: blur(1px); opacity: 0.9;
  transition: opacity 1s;
  transform: rotate(-18deg);
}
.orb[data-mood="dim"] .orb-ball::after { opacity: 0.12; }
.orb[data-mood="dim"] .orb-ball { box-shadow: 0 0 40px rgba(120, 60, 25, 0.30); }
.orb[data-mood="thinking"] .orb-ball { box-shadow: 0 0 70px rgba(151, 135, 181, 0.40); }
.orb[data-mood="calm"] .orb-ball { box-shadow: 0 0 60px rgba(232, 184, 109, 0.38); }
@keyframes orb-breathe { 0%,100% { transform: scale(1); } 50% { transform: scale(1.035); } }

.orb-mood {
  position: absolute; inset: 0; border-radius: 50%; opacity: 0; transition: opacity .9s ease;
  box-shadow: inset 0 -26px 52px rgba(60, 20, 8, 0.26), inset 0 16px 38px rgba(255, 255, 255, 0.22);
}
.orb-grain {
  position: absolute; inset: 0; border-radius: 50%; z-index: 1;
  opacity: 0.07; mix-blend-mode: overlay; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/%3E%3C/svg%3E");
}
.m-curious   { background: radial-gradient(circle at 35% 30%, #FFD9A0 0%, #F59B4B 42%, #E85D3C 75%, #C4482E 100%); }
.m-listening { background: radial-gradient(circle at 35% 30%, #FFE3B3 0%, #F2A95E 40%, #D85A30 78%, #A63E22 100%); }
.m-thinking  { background: radial-gradient(circle at 35% 30%, #E6E0F2 0%, #B5A8D6 45%, #9787B5 78%, #6E5F8E 100%); }
.m-calm      { background: radial-gradient(circle at 35% 30%, #FFF3DC 0%, #F6DCA9 48%, #E8B86D 85%, #C9964E 100%); }
.m-ready     { background: radial-gradient(circle at 35% 30%, #FFDFA8 0%, #F7A54E 45%, #E85D3C 78%, #B33D22 100%); }
.m-dim       { background: radial-gradient(circle at 38% 34%, #6B4A33 0%, #4A3122 50%, #2E1E14 100%); }
.m-tint      { transition: opacity .7s ease, background .7s ease; }
.orb[data-mood="curious"]   .m-curious   { opacity: 1; }
.orb[data-mood="listening"] .m-listening { opacity: 1; }
.orb[data-mood="thinking"]  .m-thinking  { opacity: 1; }
.orb[data-mood="calm"]      .m-calm      { opacity: 1; }
.orb[data-mood="ready"]     .m-ready     { opacity: 1; }
.orb[data-mood="dim"]       .m-dim       { opacity: 1; }

.orb-face {
  position: absolute; inset: 0; z-index: 2;
  display: flex; align-items: center; justify-content: center; gap: 17%;
  will-change: transform;
}
.orb-eye {
  width: 9.5%; aspect-ratio: 1; min-width: 4px;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 36%, #45301E 0%, #241708 62%, rgba(30, 20, 12, 0.85) 100%);
  transition: transform .25s ease, height .5s;
  transform-origin: center;
}
.orb[data-mood="calm"] .orb-eye { transform: scaleY(0.45); }
.orb[data-mood="dim"]  .orb-eye { transform: scaleY(0.12); }
.orb.blink .orb-eye { transform: scaleY(0.08) !important; transition-duration: .07s; }
/* asleep as the wordmark's period — a clean dot, gently breathing */
.orb.eyes-closed .orb-eye { transform: scaleY(0.06) !important; transition: transform .6s; }

.orb-tag {
  position: absolute; top: calc(100% + 14px); left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.2em; white-space: nowrap;
  color: var(--gold);
  transition: opacity .25s;
}
/* in the hero the orb IS punctuation — no HUD label until the journey starts */
body:not([data-scrolled]) .orb:not(.docked) .orb-tag { visibility: hidden; }

/* docked orb on support pages */
.orb.docked {
  position: fixed; left: auto; top: auto; right: 28px; bottom: 28px;
  width: 58px; height: 58px; opacity: 1;
}
.orb.docked .orb-tag { display: none; }

body.static .orb { position: absolute; }

@media (max-width: 720px) {
  .orb { width: 156px; height: 156px; }
  .orb-tag { font-size: 10px; top: calc(100% + 10px); }
  .orb.docked { width: 46px; height: 46px; right: 18px; bottom: 18px; }
}

/* ---------------- atmosphere + grain ---------------- */
.atmo { position: fixed; inset: 0; z-index: 55; pointer-events: none; }
body::after {
  content: ""; position: fixed; inset: 0; z-index: 96; pointer-events: none;
  opacity: 0.06; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  animation: grain-move 0.7s steps(4) infinite;
}
@keyframes grain-move {
  0% { background-position: 0 0; }
  100% { background-position: 240px 168px; }
}
.sect > .wrap { position: relative; z-index: 1; }

/* ---------------- billing toggle ---------------- */
.bill-toggle {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--paper-3); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px;
}
.bill-toggle button {
  border: none; cursor: pointer; background: transparent;
  border-radius: 999px; padding: 9px 20px;
  font-size: 14px; font-weight: 600; color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .3s, color .3s, box-shadow .3s;
}
.bill-toggle button.on { background: var(--ink); color: var(--paper); box-shadow: 0 4px 14px rgba(42, 33, 24, 0.22); }
.bill-toggle .save {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.06em;
  background: rgba(232, 93, 60, 0.14); color: var(--coral-deep);
  border-radius: 999px; padding: 3px 8px;
}
.bill-toggle button.on .save { background: rgba(255, 255, 255, 0.18); color: #FFD9A0; }
.bill-note { font-size: 13px; color: var(--ink-mute); margin-top: 0.9rem; }
.price-val { display: inline-block; transition: opacity .16s, transform .16s; }
.price-val.swap { opacity: 0; transform: translateY(7px); }

/* ================================================================
   support pages
   ================================================================ */
.page-head { padding: calc(var(--nav-h) + 84px) 0 70px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(34px, 5vw, 56px); margin-top: 1rem; max-width: 15ch; }
.page-head .lede { max-width: 58ch; color: var(--ink-soft); font-size: 18.5px; margin-top: 1.3rem; }

.prose { max-width: 720px; }
.prose h2 { font-size: 27px; margin: 3rem 0 0.9rem; }
.prose h3 { font-size: 20px; margin: 2.2rem 0 0.55rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul { padding-left: 1.2rem; margin: 0.8rem 0; }
.prose li { margin: 0.5rem 0; }
.prose a { color: var(--coral-deep); font-weight: 600; }

.callout {
  border: 1px solid var(--line); background: var(--paper-3);
  border-radius: 16px; padding: 1.2rem 1.4rem; margin: 1.8rem 0;
  color: var(--ink-soft);
}
.callout.warn { border-color: #E5B9A8; background: #FBEFE7; }

.principle { display: flex; gap: 20px; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.principle:last-of-type { border-bottom: none; }
.principle .num {
  font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 600;
  color: var(--coral); padding-top: 5px; min-width: 34px;
}
.principle h3 { margin: 0 0 0.4rem; font-size: 21px; }
.principle p { color: var(--ink-soft); }

/* plan cards (pricing) */
.plans { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); margin-top: 2.6rem; }
.plan {
  border: 1px solid var(--line); border-radius: 22px; padding: 2rem;
  background: var(--paper-3);
  transition: transform .25s, box-shadow .25s;
}
.plan:hover { transform: translateY(-3px); box-shadow: 0 18px 44px rgba(42, 33, 24, 0.10); }
.plan .plan-kicker { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); }
.plan h3 { font-size: 24px; margin: 0.5rem 0 0.2rem; }
.plan .price { font-family: 'Fraunces', serif; font-size: clamp(44px, 5vw, 60px); font-weight: 500; margin: 0.5rem 0 0.1rem; line-height: 1.05; }
.plan .price small { font-size: 16px; color: var(--ink-mute); font-weight: 400; }
.plan p { color: var(--ink-soft); font-size: 15.5px; }
.plan.featured {
  background: linear-gradient(150deg, var(--night) 0%, #3A2415 100%);
  border-color: transparent; color: var(--night-text);
}
.plan.featured .plan-kicker { color: #F0A860; }
.plan.featured p { color: rgba(243, 231, 210, 0.75); }
.plan.featured .price small { color: rgba(243, 231, 210, 0.55); }

/* faq */
.faq-item { border-bottom: 1px solid var(--line); padding: 1.7rem 0; }
.faq-item h3 { font-size: 21px; margin-bottom: 0.55rem; }
.faq-item p { color: var(--ink-soft); }
.faq-item a { color: var(--coral-deep); font-weight: 600; }

/* ---------------- footer ---------------- */
.footer { background: var(--night); color: var(--night-text); padding: 76px 0 44px; margin-top: 0; }
.footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer .brand .b1 { color: var(--night-text); }
.footer .fdesc { color: rgba(243, 231, 210, 0.62); font-size: 14.5px; max-width: 34ch; margin-top: 0.9rem; }
.footer h4 {
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.1rem;
}
.footer .cols a { display: block; color: rgba(243, 231, 210, 0.75); font-size: 14.5px; margin: 0.55rem 0; transition: color .2s; }
.footer .cols a:hover { color: #fff; }
.footer .legal {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  border-top: 1px solid rgba(243, 231, 210, 0.14);
  margin-top: 56px; padding-top: 26px;
  color: rgba(243, 231, 210, 0.5); font-size: 13px;
}
.footer .legal .mono { font-size: 11px; letter-spacing: 0.14em; }

/* ---------------- responsive ---------------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta .btn { padding: 9px 16px; font-size: 12.5px; white-space: nowrap; }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .sect { padding: 80px 0; }
}

/* Small phones: keep both nav CTAs (Log in + Start free trial) on one line, unclipped. */
@media (max-width: 480px) {
  .nav .wrap { gap: 10px; }
  .brand .b1 { font-size: 18px; }
  .brand .b2 { font-size: 16px; }
  .nav-cta { gap: 9px; }
  .nav-login { font-size: 13px; }
  .nav-cta .btn { padding: 8px 12px; font-size: 11.5px; }
}

/* ---------------- reduced motion ---------------- */
/* second night act + shared inset-card treatment */
.night-card {
  width: calc(100% - clamp(20px, 4vw, 56px));
  margin: 44px auto;
  border-radius: clamp(28px, 4vw, 52px);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orb-ball { animation: none; }
  body::after { animation: none; }
  .rv, .btn { transition: none !important; }
}

/* ================================================================
   Founding 50 (pricing.html#founding) + age bands (index.html#ages)
   ================================================================ */
.band-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin: 1.8rem 0 0.4rem; }
.band {
  background: var(--paper-3); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px 10px; text-align: center;
}
.band b { display: block; font-family: "Bricolage Grotesque", sans-serif; font-size: 1.05rem; color: var(--ink); }
.band span { display: block; margin-top: 4px; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-mute); }
.band .spots { margin-top: 8px; font-size: 0.78rem; color: var(--coral-deep); font-weight: 700; letter-spacing: 0.02em; }
@media (max-width: 720px) { .band-grid { grid-template-columns: repeat(2, 1fr); } }

.ff-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 2rem; text-align: left; }
.ff-form .full { grid-column: 1 / -1; }
.ff-form label { display: block; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 6px; font-weight: 600; }
.ff-form input, .ff-form select, .ff-form textarea {
  width: 100%; padding: 13px 16px; border-radius: 12px; border: 1.5px solid var(--line);
  background: var(--paper-3); color: var(--ink); font: inherit; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ff-form input:focus, .ff-form select:focus, .ff-form textarea:focus {
  border-color: var(--coral); box-shadow: 0 0 0 4px rgba(232, 93, 60, 0.12);
}
.ff-form textarea { min-height: 96px; resize: vertical; }
.ff-check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: var(--ink-soft); }
.ff-check input { width: auto; margin-top: 4px; }
.ff-msg { margin-top: 1rem; font-size: 0.95rem; color: var(--moss); min-height: 1.4em; }
@media (max-width: 720px) { .ff-form { grid-template-columns: 1fr; } }

.age-tabs { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 2rem 0 1.6rem; }
.age-tab {
  border: 1.5px solid var(--line); background: var(--paper-3); color: var(--ink-soft);
  border-radius: 999px; padding: 10px 22px; cursor: pointer; font-weight: 600; font-size: 0.95rem;
  transition: all 0.15s;
}
.age-tab:hover { border-color: var(--coral); color: var(--ink); }
.age-tab.on { background: var(--coral); border-color: var(--coral); color: #fff; }
.age-panel { display: none; max-width: 720px; margin: 0 auto; }
.age-panel.on { display: block; }
.age-chat { background: var(--paper-3); border: 1px solid var(--line); border-radius: 20px; padding: clamp(18px, 3vw, 30px); }
.age-chat .aq { font-weight: 700; color: var(--ink); font-size: 1.05rem; }
.age-chat .aa2 { margin-top: 10px; color: var(--ink-soft); line-height: 1.65; }
.age-chat .aturn { margin-top: 12px; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--coral-deep); font-weight: 700; }
.age-note { margin-top: 1.2rem; text-align: center; color: var(--ink-mute); font-size: 0.95rem; line-height: 1.6; }