/* ==========================================================================
   Bensol Nursing stylesheet
   Order in this file: 1 Tokens, 2 Base, 3 Header, 5 Hero (with 4 Buttons), 6 v16 sections,
   11 Responsive (v16 breakpoints), 7 Brevo form, 8 Instagram, 9 Platform components (v17),
   10 Footer & page shells. Numbers are stable labels; v16 rule order was kept to avoid cascade changes.
   Design system documentation: docs/design-system.md
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --midnight: #03101b;
  --navy: #071827;
  --navy-2: #0d2233;
  --navy-3: #102b40;
  --cyan: #17c8e5;
  --cyan-2: #67e7f7;
  --teal: #20d7c5;
  --text: #f3f7fa;
  --muted: #a9bbc8;
  --muted-2: #7f96a5;
  --line: rgba(169, 187, 200, .16);
  --card: rgba(13, 34, 51, .72);
  --shadow: 0 28px 80px rgba(0,0,0,.38);
  --radius: 26px;
  --shell: min(1180px, calc(100% - 40px));

  /* v17 additions */
  --amber: #f0c267;         /* "In development" status, warnings */
  --danger: #df6666;        /* errors (matches the Brevo error state) */
  --radius-sm: 14px;        /* buttons, inputs, list rows */
  --radius-md: 20px;        /* compact cards, panels */
  --radius-pill: 999px;     /* badges, chips */
  --header-h: 76px;
}

/* 2. Base ------------------------------------------------------------------ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(23,200,229,.09), transparent 28%),
    radial-gradient(circle at 78% 12%, rgba(32,215,197,.05), transparent 24%),
    var(--midnight);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 65%);
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.section-pad { padding: 108px 0; position: relative; }
.section-surface { background: linear-gradient(180deg, rgba(13,34,51,.28), rgba(7,24,39,.12)); border-block: 1px solid var(--line); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 18px; top: -60px; z-index: 999; background: var(--cyan); color: var(--midnight); padding: 10px 14px; border-radius: 10px; text-decoration: none; font-weight: 800; }
.skip-link:focus { top: 14px; }
:where(a, button, summary, input, select, textarea):focus-visible { outline: 2px solid var(--cyan-2); outline-offset: 3px; }

/* 3. Header ---------------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(3,16,27,.76); border-bottom: 1px solid transparent; backdrop-filter: blur(16px); transition: border-color .2s, background .2s; }
.site-header.scrolled { background: rgba(3,16,27,.92); border-bottom-color: var(--line); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; min-width: 0; }
.brand img { width: 62px; height: 62px; border-radius: 50%; object-fit: cover; box-shadow: 0 0 26px rgba(23,200,229,.14); border: 1px solid rgba(103,231,247,.22); flex: none; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: .98rem; letter-spacing: .015em; }
.brand-copy small { color: var(--muted); text-transform: uppercase; letter-spacing: .17em; font-size: .58rem; margin-top: 5px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: var(--muted); text-decoration: none; font-weight: 700; font-size: .88rem; transition: color .2s; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); }
.site-nav a[aria-current="page"] { color: var(--text); text-decoration: underline; text-decoration-color: var(--cyan); text-decoration-thickness: 2px; text-underline-offset: 9px; }
.site-nav .nav-cta { color: var(--midnight); background: var(--cyan); padding: 10px 16px; border-radius: 999px; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; }

/* 5. Hero ------------------------------------------------------------------ */
.hero { min-height: calc(100vh - 76px); display: grid; align-items: center; overflow: hidden; padding-top: 80px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr); gap: 80px; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--cyan); font-size: .74rem; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.025em; text-wrap: balance; overflow-wrap: break-word; }
h1 { font-size: clamp(3.25rem, 7vw, 6.6rem); max-width: 850px; margin-top: 18px; }
h1 span { color: transparent; background: linear-gradient(90deg, var(--cyan), var(--teal)); -webkit-background-clip: text; background-clip: text; }
h2 { font-size: clamp(2.25rem, 4.4vw, 4.2rem); }
h3 { font-size: 1.55rem; }
.hero-lede { color: var(--muted); max-width: 690px; font-size: clamp(1.02rem, 1.6vw, 1.24rem); margin: 26px 0 0; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero-aside { margin: 18px 0 0; color: var(--muted-2); font-size: .9rem; }

/* 4. Buttons (kept beside the hero, where v16 defined them) ----------------- */
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; border-radius: 14px; padding: 0 22px; font-weight: 850; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--cyan), var(--teal)); color: #001019; box-shadow: 0 12px 38px rgba(23,200,229,.18); }
.button-primary:hover { box-shadow: 0 16px 46px rgba(23,200,229,.26); }
.button-secondary { border-color: var(--line); background: rgba(13,34,51,.5); color: var(--text); }
.button-secondary:hover { border-color: rgba(23,200,229,.42); }
.button-block { width: 100%; }
.button:focus-visible { outline-offset: 4px; }
.hero-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); max-width: 720px; }
.hero-proof div { display: grid; gap: 3px; }
.hero-proof strong { font-size: .83rem; }
.hero-proof span { color: var(--muted-2); font-size: .72rem; }

.hero-visual { position: relative; min-height: 600px; display: grid; place-items: center; }
.logo-orbit { position: absolute; width: 520px; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(23,200,229,.22); box-shadow: inset 0 0 90px rgba(23,200,229,.05), 0 0 100px rgba(23,200,229,.06); }
.logo-card { width: min(455px, 82vw); aspect-ratio: 1; border-radius: 50%; overflow: hidden; position: relative; z-index: 2; box-shadow: 0 30px 100px rgba(0,0,0,.45), 0 0 76px rgba(23,200,229,.12); border: 1px solid rgba(103,231,247,.28); background: #071827; }
.logo-card img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.signal-card { position: absolute; z-index: 3; background: rgba(7,24,39,.86); border: 1px solid rgba(23,200,229,.18); backdrop-filter: blur(14px); box-shadow: var(--shadow); border-radius: 16px; padding: 14px 16px; max-width: 300px; }
.signal-card-top { top: 32px; right: -8px; }
.signal-card-bottom { bottom: 28px; left: 0; display: flex; align-items: center; gap: 10px; }
.signal-label { display: block; color: var(--cyan); text-transform: uppercase; font-size: .6rem; letter-spacing: .16em; font-weight: 800; margin-bottom: 5px; }
.signal-card strong { font-size: .72rem; line-height: 1.35; }
.signal-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 18px var(--teal); flex: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(10px); opacity: .7; pointer-events: none; }
.hero-glow-one { width: 480px; height: 480px; right: -210px; top: 10%; background: radial-gradient(circle, rgba(23,200,229,.08), transparent 65%); }
.hero-glow-two { width: 390px; height: 390px; left: -180px; bottom: -90px; background: radial-gradient(circle, rgba(32,215,197,.05), transparent 65%); }

/* 6. v16 content sections ---------------------------------------------------- */
.hero-copy, .feature-copy, .section-heading, .ccrn-copy, .about-copy, .launch-card > div, .footer-grid > * { min-width: 0; }
p, .card-meta, .footer-disclaimer, .signal-card strong { overflow-wrap: break-word; word-break: normal; }
.resource-card, .principle, .ccrn-card, .launch-card { overflow: visible; }

.section-heading { max-width: 800px; }
.section-heading h2 { margin-top: 14px; }
.section-heading p { color: var(--muted); font-size: 1.08rem; max-width: 650px; }
.resource-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 44px; }
.resource-card { position: relative; min-height: 380px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(13,34,51,.86), rgba(7,24,39,.55)); overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,.16); }
.resource-card::after { content: ""; position: absolute; width: 240px; height: 240px; border-radius: 50%; right: -80px; top: -90px; background: radial-gradient(circle, rgba(23,200,229,.09), transparent 70%); }
.resource-number { position: absolute; right: 26px; top: 18px; font-size: 4.5rem; line-height: 1; font-weight: 900; color: rgba(243,247,250,.035); }
.resource-icon { width: 60px; height: 60px; display: grid; place-items: center; border-radius: 16px; background: rgba(23,200,229,.08); border: 1px solid rgba(23,200,229,.16); margin-bottom: 58px; }
.resource-icon svg { width: 34px; fill: none; stroke: var(--cyan); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.card-kicker { color: var(--cyan); font-size: .7rem; text-transform: uppercase; letter-spacing: .15em; font-weight: 850; }
.resource-card h3 { margin-top: 8px; }
.resource-card p { color: var(--muted); max-width: 540px; margin: 14px 0 0; }
.card-meta { color: var(--muted-2); border-top: 1px solid var(--line); margin-top: 30px; padding-top: 18px; font-size: .75rem; }

.cardiovascular { overflow: hidden; }
.feature-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 84px; align-items: center; }
.feature-copy h2 { margin-top: 14px; }
.feature-lede { color: var(--muted); font-size: 1.08rem; max-width: 640px; }
.topic-cloud { display: flex; flex-wrap: wrap; gap: 9px; margin: 30px 0 28px; }
.topic-cloud span { border: 1px solid var(--line); background: rgba(13,34,51,.55); border-radius: 999px; padding: 8px 12px; color: #d8e5eb; font-size: .76rem; }
.text-link { color: var(--cyan); text-decoration: none; font-weight: 850; }
.text-link span { display: inline-block; transition: transform .2s; }
.text-link:hover span { transform: translateX(5px); }
.preview-stack { position: relative; min-height: 520px; display: grid; place-items: center; }
.preview-sheet { width: min(465px, 88vw); min-height: 530px; border-radius: 8px; background: #fbfdfe; color: #132431; box-shadow: 0 28px 85px rgba(0,0,0,.38); }
.preview-sheet-back { position: absolute; transform: rotate(5deg) translate(22px, 8px); opacity: .22; background: linear-gradient(#fafdff, #d8f7fb); }
.preview-sheet-front { position: relative; z-index: 2; padding: 24px 28px; transform: rotate(-1.5deg); }
.preview-brand { font-size: .55rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 900; color: #0b2637; text-align: right; }
.preview-brand span { color: #607581; }
.preview-band { background: #071c2c; color: var(--cyan); font-size: .58rem; letter-spacing: .16em; font-weight: 900; padding: 7px 9px; margin: 26px -28px 18px; }
.preview-sheet h3 { font-size: 1.75rem; }
.preview-sheet > p { color: #6b7f8b; font-size: .82rem; margin-top: 5px; }
.mini-formulas { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-top: 28px; }
.mini-formulas div { border: 1px solid #d3e1e6; border-radius: 9px; padding: 14px; background: #f5f9fa; }
.mini-formulas strong { display: block; color: #0c2432; font-size: .9rem; }
.mini-formulas span { display: block; color: #70838e; font-size: .65rem; margin-top: 4px; }
.preview-callout { margin-top: 24px; padding: 14px 16px; border-left: 4px solid #17c8e5; background: #e9fafd; font-size: .78rem; font-weight: 850; }

.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; }
.principle { padding: 30px 28px; border-top: 1px solid rgba(23,200,229,.24); background: linear-gradient(180deg, rgba(13,34,51,.45), rgba(13,34,51,.13)); min-height: 280px; }
.principle-mark { color: var(--cyan); font-size: .65rem; letter-spacing: .14em; font-weight: 850; }
.principle h3 { margin-top: 54px; font-size: 1.35rem; }
.principle p { color: var(--muted); font-size: .92rem; }

.about-section { padding-top: 96px; }
.about-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; align-items: center; }
.about-mark { width: min(330px, 78vw); aspect-ratio: 1; justify-self: center; }
.about-mark img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; box-shadow: 0 18px 70px rgba(23,200,229,.08); border: 1px solid rgba(103,231,247,.18); }
.about-copy h2 { margin-top: 14px; }
.about-copy p { color: var(--muted); max-width: 740px; font-size: 1.02rem; }
.about-line { color: var(--text) !important; font-weight: 900; letter-spacing: .02em; }
.about-copy .text-link { display: inline-block; margin-top: 4px; }

.launch-section { padding-top: 70px; }
.launch-card { display: grid; grid-template-columns: 1.15fr .85fr; gap: 52px; align-items: center; padding: 46px; border-radius: var(--radius); }
.launch-card h2 { margin-top: 12px; font-size: clamp(2rem, 3.8vw, 3.4rem); }
.launch-card p { color: var(--muted); }
.form-note { margin: 0; font-size: .7rem; color: var(--muted-2) !important; }
.form-note.is-warning { color: var(--amber) !important; }
.sib-form-message-panel { display: none; }
.sib-hide-loader-icon { display: none; }

/* Scroll reveal: only hides content when JavaScript is running (the "js" class is set in <head>),
   so pages stay readable if a script fails. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-short { transition-delay: .08s; }
.reveal-delay { transition-delay: .16s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* 11. Responsive (v16 breakpoints, extended) -------------------------------- */
@media (max-width: 1100px) {
  .site-nav { gap: 20px; }
  .site-nav a { font-size: .84rem; }
}

@media (max-width: 980px) {
  :root { --shell: min(100% - 30px, 760px); }
  .section-pad { padding: 82px 0; }
  .hero { min-height: auto; }
  .hero-grid, .feature-grid, .about-grid, .launch-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 42px; }
  .hero-visual { min-height: 520px; }
  .feature-grid { gap: 54px; }
  .preview-stack { min-height: 560px; }
  .resource-grid, .principle-grid { grid-template-columns: 1fr; }
  .principle { min-height: 220px; }
  .principle h3 { margin-top: 36px; }
  .about-mark { width: min(250px, 72vw); }
  .footer-grid { grid-template-columns: 1fr; }
}

/* The navigation collapses earlier than v16 (920px instead of 760px) because it now has four links. */
@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: calc(100% + 1px); left: 15px; right: 15px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; background: rgba(3,16,27,.98); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 10px; font-size: .92rem; }
  .site-nav a[aria-current="page"] { text-decoration: none; box-shadow: inset 3px 0 0 var(--cyan); border-radius: 4px; }
  .site-nav .nav-cta { text-align: center; margin-top: 7px; }
}

@media (max-width: 760px) {
  :root { --header-h: 68px; }
  .section-pad { padding: 72px 0; }
  .nav-wrap { min-height: 68px; }
  .brand img { width: 52px; height: 52px; }
  .brand-copy strong { font-size: .88rem; }
  .brand-copy small { font-size: .5rem; }
  .hero { padding-top: 56px; }
  h1 { font-size: clamp(3rem, 14vw, 4.7rem); }
  .hero-proof { grid-template-columns: 1fr; gap: 10px; margin-top: 36px; }
  .hero-proof div { grid-template-columns: 120px 1fr; align-items: center; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 380px; }
  .logo-orbit { width: min(360px, 90vw); aspect-ratio: 1; }
  .logo-card { width: min(300px, 74vw); }
  .signal-card-top { top: 10px; right: 0; max-width: 230px; }
  .signal-card-bottom { left: 0; bottom: 14px; max-width: 250px; }
  .resource-card { min-height: auto; }
  .resource-icon { margin-bottom: 38px; }
  .preview-stack { min-height: 470px; }
  .preview-sheet { min-height: 455px; }
  .mini-formulas { grid-template-columns: 1fr 1fr; }
  .launch-card { padding: 30px 22px; }
  .footer-bottom { flex-direction: column; }
  .feature-actions .button { width: 100%; }
}

@media (max-width: 420px) {
  :root { --shell: calc(100% - 24px); }
  .brand-copy small { display: block; font-size: .43rem; letter-spacing: .11em; }
  .section-pad { padding: 64px 0; }
  .signal-card-top { display: none; }
  .signal-card-bottom { left: 50%; transform: translateX(-50%); width: calc(100% - 20px); bottom: 6px; }
  .preview-sheet-front { padding-inline: 20px; }
  .preview-band { margin-inline: -20px; }
  .mini-formulas { grid-template-columns: 1fr; }
}

/* 7. Brevo launch-list form: keeps Brevo's required DOM/classes intact ------- */
.launch-section {
  background:
    radial-gradient(circle at 18% 15%, rgba(23, 200, 229, .08), transparent 32%),
    radial-gradient(circle at 82% 80%, rgba(32, 215, 197, .06), transparent 30%);
}

.launch-card {
  background: linear-gradient(145deg, rgba(13, 34, 51, .96), rgba(7, 24, 39, .98));
  border: 1px solid rgba(23, 200, 229, .22);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255,255,255,.02);
}

.launch-card .eyebrow { color: var(--cyan); }
.launch-card h2 { color: var(--text); }
.launch-card > div > p { color: var(--muted); }

.launch-form-wrap {
  min-width: 0;
  display: grid;
  gap: 10px;
}

.bensol-brevo-form.sib-form {
  padding: 0 !important;
  background: transparent !important;
  text-align: left !important;
}

.bensol-brevo-form .sib-form-container {
  width: 100%;
  margin: 0 !important;
}

.bensol-brevo-form .bensol-sib-container,
.bensol-brevo-form #sib-container {
  max-width: none !important;
  width: 100% !important;
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  text-align: left !important;
}

.bensol-brevo-form #sib-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.bensol-brevo-form .bensol-email-block,
.bensol-brevo-form .bensol-submit-block {
  padding: 0 !important;
  margin: 0 !important;
}

.bensol-brevo-form .form__entry,
.bensol-brevo-form .form__label-row,
.bensol-brevo-form .entry__field {
  margin: 0 !important;
  padding: 0 !important;
}

.bensol-brevo-form .entry__field {
  background: transparent !important;
  border: 0 !important;
}

.bensol-brevo-form #EMAIL {
  box-sizing: border-box !important;
  width: 100% !important;
  height: 52px !important;
  min-height: 52px !important;
  margin: 0 !important;
  padding: 0 16px !important;
  border-radius: 12px !important;
  border: 1px solid rgba(23, 200, 229, .28) !important;
  background: rgba(3, 16, 27, .94) !important;
  color: var(--text) !important;
  font-family: inherit !important;
  font-size: 1rem !important;
  line-height: 1 !important;
  outline: none !important;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.01) !important;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease !important;
}

.bensol-brevo-form #EMAIL::placeholder {
  color: #78909f !important;
  opacity: 1 !important;
}

.bensol-brevo-form #EMAIL:hover {
  border-color: rgba(23, 200, 229, .46) !important;
}

.bensol-brevo-form #EMAIL:focus {
  border-color: var(--cyan) !important;
  background: var(--midnight) !important;
  box-shadow: 0 0 0 3px rgba(23, 200, 229, .12), 0 0 22px rgba(23, 200, 229, .08) !important;
}

.bensol-brevo-form .sib-form-block__button {
  box-sizing: border-box !important;
  min-height: 52px !important;
  height: 52px !important;
  margin: 0 !important;
  padding: 0 22px !important;
  border: 1px solid rgba(103, 231, 247, .36) !important;
  border-radius: 12px !important;
  background: linear-gradient(135deg, var(--cyan), var(--teal)) !important;
  color: var(--midnight) !important;
  font-family: inherit !important;
  font-size: .94rem !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  text-align: center !important;
  white-space: nowrap !important;
  box-shadow: 0 12px 34px rgba(23, 200, 229, .18) !important;
  cursor: pointer !important;
}

.bensol-brevo-form .sib-form-block__button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 38px rgba(23, 200, 229, .24) !important;
  filter: brightness(1.04);
}

.bensol-brevo-form .sib-form-block__button:focus-visible {
  outline: 3px solid rgba(23, 200, 229, .24) !important;
  outline-offset: 3px;
}

.bensol-brevo-form .entry__specification {
  display: block !important;
  margin-top: 7px !important;
  color: var(--muted) !important;
  font-family: inherit !important;
  font-size: .72rem !important;
  line-height: 1.4 !important;
  text-align: left !important;
}

.bensol-brevo-form .entry__error {
  margin-top: 7px !important;
  color: #ffd8d8 !important;
  background: rgba(223, 102, 102, .10) !important;
  border-color: rgba(223, 102, 102, .34) !important;
  border-radius: 9px !important;
  font-family: inherit !important;
  font-size: .76rem !important;
  text-align: left !important;
}

.sib-form-message-panel.brevo-message {
  max-width: none !important;
  width: 100% !important;
  margin: 0 0 10px !important;
  padding: 12px 14px !important;
  border-radius: 12px !important;
  font-family: inherit !important;
  font-size: .82rem !important;
  line-height: 1.45 !important;
  font-weight: 600 !important;
}

.brevo-message-success {
  color: #cffff3 !important;
  background: rgba(32, 215, 197, .10) !important;
  border: 1px solid rgba(32, 215, 197, .34) !important;
  box-shadow: inset 3px 0 0 var(--teal);
}

.brevo-message-error {
  color: #ffd8d8 !important;
  background: rgba(223, 102, 102, .10) !important;
  border: 1px solid rgba(223, 102, 102, .34) !important;
  box-shadow: inset 3px 0 0 #df6666;
}

.bensol-brevo-form .sib-form-message-panel__text,
.bensol-brevo-form .sib-form-message-panel__inner-text {
  color: inherit !important;
  font-family: inherit !important;
  font-size: inherit !important;
}

.launch-form-wrap > .form-note {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: .76rem;
}

.input--hidden {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.bensol-brevo-form .progress-indicator__icon {
  width: 16px !important;
  height: 16px !important;
  margin-right: 8px !important;
  fill: currentColor !important;
  vertical-align: -2px;
}

@media (max-width: 720px) {
  .bensol-brevo-form #sib-form {
    grid-template-columns: 1fr;
  }

  .bensol-brevo-form .sib-form-block__button {
    width: 100% !important;
  }
}


/* Interactive launch-list button */
.launch-submit-button {
  position: relative;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  overflow: hidden;
  transition:
    transform .18s ease,
    box-shadow .22s ease,
    background .28s ease,
    border-color .28s ease,
    color .28s ease !important;
}

.launch-submit-button .launch-button-label {
  display: inline-block;
  transition: transform .22s ease, opacity .22s ease;
}

.launch-button-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0;
  height: 22px;
  opacity: 0;
  transform: scale(.55) rotate(-18deg);
  transition:
    width .24s ease,
    opacity .22s ease,
    transform .28s cubic-bezier(.2,.8,.2,1);
}

.launch-button-check svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.launch-submit-button.is-submitting {
  cursor: wait !important;
  filter: saturate(.82);
}

.launch-submit-button.is-subscribed {
  background: linear-gradient(135deg, var(--teal), var(--cyan)) !important;
  color: var(--midnight) !important;
  border-color: rgba(207, 255, 243, .62) !important;
  box-shadow:
    0 0 0 3px rgba(32, 215, 197, .10),
    0 14px 36px rgba(32, 215, 197, .22) !important;
  cursor: default !important;
}

.launch-submit-button.is-subscribed .launch-button-check {
  width: 22px;
  opacity: 1;
  transform: scale(1) rotate(0);
}

.launch-submit-button.is-subscribed:hover {
  transform: none !important;
  filter: none !important;
}

.launch-submit-button:disabled {
  opacity: 1 !important;
}


/* 8. Instagram connection --------------------------------------------------- */
.instagram-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 20%, rgba(23, 200, 229, .08), transparent 28%),
    radial-gradient(circle at 88% 80%, rgba(32, 215, 197, .06), transparent 30%),
    var(--midnight);
}

.instagram-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.012), transparent 45%);
}

.instagram-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: clamp(36px, 7vw, 90px);
  align-items: center;
}

.instagram-copy {
  max-width: 680px;
}

.instagram-copy h2 {
  max-width: 640px;
  margin-bottom: 18px;
}

.instagram-copy p {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.instagram-copy p strong {
  color: var(--text);
}

.instagram-button {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.instagram-icon,
.footer-social-link svg {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.instagram-qr-card {
  justify-self: end;
  width: min(100%, 420px);
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 24px;
  color: var(--text);
  text-decoration: none;
  background: linear-gradient(145deg, rgba(13, 34, 51, .96), rgba(7, 24, 39, .98));
  border: 1px solid rgba(23, 200, 229, .24);
  box-shadow: 0 28px 90px rgba(0,0,0,.34), 0 0 52px rgba(23,200,229,.06);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.instagram-qr-card:hover {
  transform: translateY(-4px);
  border-color: rgba(23, 200, 229, .48);
  box-shadow: 0 32px 96px rgba(0,0,0,.4), 0 0 54px rgba(23,200,229,.10);
}

.instagram-qr-card:focus-visible {
  outline: 3px solid rgba(23, 200, 229, .30);
  outline-offset: 4px;
}

.instagram-qr-frame {
  padding: 10px;
  border-radius: 18px;
  background: #ffffff;
  overflow: hidden;
}

.instagram-qr-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.instagram-qr-caption {
  display: block;
  text-align: center;
  color: var(--muted);
  font-size: .86rem;
}

.instagram-qr-caption strong {
  color: var(--cyan);
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s ease;
}

.footer-social-link:hover {
  color: var(--cyan);
}

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

  .instagram-qr-card {
    justify-self: start;
    width: min(100%, 380px);
  }
}

@media (max-width: 560px) {
  .instagram-button {
    width: 100%;
    justify-content: center;
  }

  .instagram-qr-card {
    width: 100%;
    padding: 14px;
    border-radius: 20px;
  }
}


.launch-submit-button.is-pending-confirmation {
  background: linear-gradient(135deg, rgba(23, 200, 229, .96), rgba(32, 215, 197, .96)) !important;
  color: var(--midnight) !important;
  border-color: rgba(207, 255, 243, .54) !important;
  box-shadow:
    0 0 0 3px rgba(23, 200, 229, .08),
    0 14px 36px rgba(23, 200, 229, .18) !important;
  cursor: default !important;
}

.launch-submit-button.is-pending-confirmation .launch-button-check {
  width: 22px;
  opacity: 1;
  transform: scale(1) rotate(0);
}

.launch-submit-button.is-pending-confirmation:hover {
  transform: none !important;
  filter: none !important;
}


/* ==========================================================================
   9. Platform components (v17)
   Built only from the v16 tokens and card language. See docs/design-system.md.
   ========================================================================== */

/* Icons */
.icon { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* Page heroes (inner pages) */
.page-hero, .product-hero { padding-top: 56px; padding-bottom: 80px; overflow: hidden; }
.page-title { font-size: clamp(2.5rem, 5.4vw, 4.6rem); margin-top: 14px; max-width: 920px; }
.page-lede { color: var(--muted); font-size: clamp(1.02rem, 1.5vw, 1.18rem); max-width: 720px; margin: 20px 0 0; }
.product-subtitle { margin: 12px 0 0; color: var(--cyan-2); font-weight: 750; font-size: .95rem; }

/* Breadcrumbs */
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 28px; font-size: .78rem; color: var(--muted-2); }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: rgba(169,187,200,.35); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs [aria-current] { color: var(--text); }

/* Stat row */
.stat-row { display: flex; flex-wrap: wrap; gap: 16px 44px; margin: 34px 0 0; padding-top: 24px; border-top: 1px solid var(--line); max-width: 760px; }
.stat-row div { display: flex; flex-direction: column-reverse; gap: 2px; }
.stat-row dt { color: var(--muted-2); font-size: .74rem; }
.stat-row dd { margin: 0; font-size: 1.7rem; font-weight: 900; letter-spacing: -.02em; line-height: 1.2; }

/* Status badges: planned · in development · coming soon · recently released · available */
.status-badge { display: inline-flex; align-items: center; gap: 7px; padding: 5px 10px 5px 9px; border-radius: var(--radius-pill); border: 1px solid var(--line); background: rgba(3,16,27,.55); color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .04em; line-height: 1.2; white-space: nowrap; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted-2); flex: none; }
.status-dev { color: #f3dca5; border-color: rgba(240,194,103,.32); background: rgba(240,194,103,.07); }
.status-dev .status-dot { background: var(--amber); box-shadow: 0 0 8px rgba(240,194,103,.6); }
.status-soon { color: #cdeef5; border-color: rgba(103,231,247,.3); }
.status-soon .status-dot { background: var(--cyan-2); }
.status-new { color: var(--cyan-2); border-color: rgba(23,200,229,.45); background: rgba(23,200,229,.1); }
.status-new .status-dot { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.status-available { color: #a6f5eb; border-color: rgba(32,215,197,.42); background: rgba(32,215,197,.1); }
.status-available .status-dot { background: var(--teal); box-shadow: 0 0 10px var(--teal); }

/* Prices */
.price-tag { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price { font-size: 1.9rem; font-weight: 900; letter-spacing: -.03em; line-height: 1; color: var(--text); font-variant-numeric: tabular-nums; }
.price-note { color: var(--muted-2); font-size: .64rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }

/* Check list */
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; color: #d8e5eb; font-size: .92rem; line-height: 1.45; }
.check-list .icon-check { color: var(--teal); margin-top: 1px; }

/* Study paths: the two ways to buy */
.paths-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 44px; }
.path-card { position: relative; display: flex; flex-direction: column; padding: 36px 34px 34px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(13,34,51,.86), rgba(7,24,39,.55)); box-shadow: 0 20px 50px rgba(0,0,0,.16); }
.path-card h3 { margin-top: 10px; font-size: 1.7rem; padding-right: 90px; }
.path-card > p { color: var(--muted); margin: 14px 0 0; }
.path-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.path-price .price { font-size: 2.9rem; }
.path-price-unit { color: var(--muted); font-size: .88rem; font-weight: 700; }
.path-value { margin: 18px 0 0 !important; color: #cfe9f0 !important; font-size: .86rem; }
.path-value strong { color: var(--teal); }
.path-best { margin: auto 0 0 !important; padding-top: 22px; font-size: .86rem; }
.path-best strong { color: var(--text); }
.path-card .button { margin-top: 22px; align-self: flex-start; }
.path-card.is-flagship {
  border-color: transparent;
  background:
    radial-gradient(circle at 100% 0%, rgba(23,200,229,.12), transparent 45%) padding-box,
    linear-gradient(145deg, rgba(16,43,64,.97), rgba(7,24,39,.94)) padding-box,
    linear-gradient(135deg, rgba(23,200,229,.75), rgba(32,215,197,.2) 45%, rgba(23,200,229,.55)) border-box;
  box-shadow: 0 28px 80px rgba(0,0,0,.34), 0 0 60px rgba(23,200,229,.07);
}
.flagship-tag { position: absolute; top: 24px; right: 24px; padding: 6px 11px; border-radius: var(--radius-pill); background: linear-gradient(135deg, var(--cyan), var(--teal)); color: #001019; font-size: .62rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; line-height: 1.2; }
.flagship-tag.is-inline { position: static; }

/* Exam blueprint bar */
.blueprint { margin: 40px 0 0; padding: 24px 26px 18px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(7,24,39,.55); }
.blueprint-caption { display: flex; justify-content: space-between; gap: 6px 16px; flex-wrap: wrap; margin-bottom: 14px; color: var(--muted); font-size: .8rem; }
.blueprint-caption strong { color: var(--text); font-weight: 800; }
.blueprint-bar { display: flex; gap: 3px; height: 38px; border-radius: 10px; overflow: hidden; }
.blueprint-seg { display: grid; place-items: center; min-width: 0; color: #001019; font-size: .72rem; font-weight: 900; transition: opacity .2s; }
.blueprint-seg.is-dim { opacity: .22; }
.seg-1 { background: #17c8e5; }
.seg-2 { background: #20d7c5; }
.seg-3 { background: #67e7f7; }
.seg-4 { background: #1397b4; }
.seg-5 { background: #5ee2d2; }
.seg-6 { background: #0e7a93; color: #f3f7fa; }
.blueprint-legend { list-style: none; padding: 0; margin: 16px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px 16px; }
.blueprint-legend a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; color: #d8e5eb; text-decoration: none; font-size: .84rem; line-height: 1.35; transition: background .2s; }
.blueprint-legend a:hover { background: rgba(23,200,229,.07); }
.blueprint-legend .is-current a { background: rgba(23,200,229,.1); box-shadow: inset 0 0 0 1px rgba(23,200,229,.3); }
.legend-swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.legend-name { flex: 1; min-width: 0; }
.legend-num { color: var(--muted-2); font-weight: 800; font-size: .7rem; }
.blueprint-legend strong { color: var(--text); font-variant-numeric: tabular-nums; }

/* Module cards */
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 24px; }
.module-card { position: relative; display: flex; flex-direction: column; padding: 26px 24px 22px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(160deg, rgba(13,34,51,.9), rgba(7,24,39,.6)); transition: transform .2s, border-color .2s, box-shadow .2s; }
.module-card:hover { transform: translateY(-3px); border-color: rgba(23,200,229,.38); box-shadow: 0 22px 60px rgba(0,0,0,.3), 0 0 40px rgba(23,200,229,.06); }
.module-card:focus-within { border-color: rgba(103,231,247,.6); }
.module-card.is-featured { border-color: rgba(23,200,229,.34); box-shadow: 0 0 0 1px rgba(23,200,229,.08), 0 20px 50px rgba(0,0,0,.22); }
.module-card-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.module-number { color: var(--cyan); font-size: .66rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.module-weight { margin: 22px 0 0; color: var(--muted); font-size: .8rem; }
.module-weight strong { margin-right: 4px; color: var(--text); font-size: 1.5rem; font-weight: 900; letter-spacing: -.02em; }
.module-title { margin-top: 4px; font-size: 1.35rem; }
.card-link { color: var(--text); text-decoration: none; }
.card-link::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
.module-subtitle { margin: 6px 0 0; color: var(--cyan-2); font-size: .74rem; font-weight: 700; line-height: 1.45; }
.module-summary { margin: 12px 0 22px; color: var(--muted); font-size: .9rem; }
.module-card-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px 12px; flex-wrap: wrap; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.module-card .price { font-size: 1.55rem; }
.included-note { display: inline-flex; align-items: center; gap: 6px; color: #cfe9f0; font-size: .72rem; font-weight: 700; }
.included-note .icon { width: 15px; height: 15px; color: var(--teal); }
.card-cta { margin-top: 16px; color: var(--cyan); font-size: .86rem; font-weight: 850; }
.card-cta span { display: inline-block; transition: transform .2s; }
.module-card:hover .card-cta span { transform: translateX(4px); }

/* Master Module + Quick Reference pairing */
.resource-grid.resource-pair { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: stretch; }
.resource-plus { align-self: center; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(23,200,229,.3); background: rgba(3,16,27,.8); color: var(--cyan); font-size: 1.3rem; font-weight: 900; }

/* Featured module */
.feature-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-top: 22px; color: var(--muted); font-size: .8rem; font-weight: 700; }
.feature-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 8px; }

/* Flagship: Complete CCRN Study System */
.flagship-section { overflow: hidden; }
.flagship-card {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 56px; align-items: center;
  padding: 50px; border-radius: 30px; border: 1px solid transparent;
  background:
    radial-gradient(circle at 10% 0%, rgba(23,200,229,.14), transparent 42%) padding-box,
    linear-gradient(140deg, rgba(16,43,64,.96), rgba(3,16,27,.94)) padding-box,
    linear-gradient(135deg, rgba(23,200,229,.6), rgba(32,215,197,.14) 50%, rgba(23,200,229,.42)) border-box;
  box-shadow: var(--shadow);
}
.flagship-copy h2 { margin-top: 14px; font-size: clamp(2.1rem, 4vw, 3.5rem); }
.flagship-lede { color: var(--muted); font-size: 1.05rem; max-width: 620px; }
.flagship-copy .feature-actions { margin-top: 30px; }

/* Bundle value panel */
.value-panel { padding: 26px; border-radius: 22px; border: 1px solid rgba(23,200,229,.22); background: rgba(3,16,27,.72); box-shadow: inset 0 1px 0 rgba(255,255,255,.03); }
.value-panel-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 8px; }
.value-title { color: var(--cyan); font-size: .7rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.value-rows { margin: 0; }
.value-rows div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.value-rows dt { color: var(--muted); font-size: .9rem; }
.value-rows dd { margin: 0; font-size: 1.15rem; font-weight: 850; font-variant-numeric: tabular-nums; }
.value-rows .is-system dt { color: var(--text); font-weight: 750; }
.value-rows .is-system dd { font-size: 1.7rem; font-weight: 900; }
.value-rows .is-savings { border-bottom: 0; padding-bottom: 4px; }
.value-rows .is-savings dt, .value-rows .is-savings dd { color: var(--teal); font-weight: 850; }
.value-note { margin: 12px 0 0; color: var(--muted-2); font-size: .76rem; }

/* How every module is built */
.method-block { margin-top: 64px; }
.method-heading { color: var(--muted); font-size: 1rem; font-weight: 800; letter-spacing: .02em; }
.method-title h2 { font-size: clamp(1.7rem, 3.2vw, 2.8rem); }
.method-steps { list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.method-step { position: relative; padding: 20px 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(3,16,27,.45); }
.method-step:not(:last-child)::after { content: "→"; position: absolute; right: -13px; top: 50%; z-index: 1; display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid rgba(23,200,229,.28); border-radius: 50%; background: var(--midnight); color: var(--cyan); font-size: .7rem; transform: translateY(-50%); }
.method-num { color: var(--cyan); font-size: .64rem; font-weight: 850; letter-spacing: .14em; }
.method-step strong { display: block; margin-top: 10px; font-size: 1.02rem; }
.method-step p { margin: 6px 0 0; color: var(--muted); font-size: .82rem; line-height: 1.5; }

/* Product page: purchase panel */
.product-hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 60px; align-items: start; }
.purchase-panel { margin-top: 44px; padding: 28px; border-radius: 24px; border: 1px solid rgba(23,200,229,.24); background: linear-gradient(160deg, rgba(16,43,64,.95), rgba(7,24,39,.95)); box-shadow: var(--shadow); }
.purchase-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.purchase-weight { color: var(--muted); font-size: .76rem; font-weight: 700; }
.purchase-price { display: flex; align-items: baseline; gap: 10px; margin-top: 22px; }
.purchase-price .price { font-size: 3rem; }
.purchase-compare { margin: 8px 0 0; color: #cfe9f0; font-size: .84rem; }
.purchase-includes-label { margin: 22px 0 0; color: var(--cyan); font-size: .66rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.purchase-panel .check-list { margin-top: 12px; }
.purchase-panel .button-block { margin-top: 24px; }
.purchase-note { display: flex; gap: 8px; margin: 12px 0 0; color: var(--muted-2); font-size: .78rem; line-height: 1.5; }
.purchase-upsell { display: grid; gap: 4px; margin-top: 22px; padding: 16px; border: 1px dashed rgba(23,200,229,.32); border-radius: 16px; background: rgba(23,200,229,.04); text-decoration: none; transition: border-color .2s, background .2s; }
.purchase-upsell span { color: var(--muted); font-size: .78rem; }
.purchase-upsell strong { color: var(--cyan-2); font-size: .86rem; line-height: 1.45; }
.purchase-upsell:hover { border-color: rgba(23,200,229,.6); background: rgba(23,200,229,.08); }

/* Product page: topics */
.topic-list { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; }
.topic-list li { position: relative; display: flex; align-items: center; padding: 16px 18px 16px 44px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(7,24,39,.55); font-size: .92rem; font-weight: 700; line-height: 1.4; }
.topic-list li::before { content: ""; position: absolute; left: 18px; top: 50%; width: 10px; height: 10px; border: 2px solid var(--cyan); border-radius: 50%; box-shadow: 0 0 10px rgba(23,200,229,.3); transform: translateY(-50%); }
.topic-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-top: 36px; }
.topic-group { padding: 22px 22px 18px; border: 1px solid var(--line); border-radius: var(--radius-md); background: linear-gradient(160deg, rgba(13,34,51,.8), rgba(7,24,39,.5)); }
.topic-group-num { color: var(--cyan); font-size: .64rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.topic-group h3 { margin-top: 6px; font-size: 1.15rem; }
.topic-group ul { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 7px; }
.topic-group li { position: relative; padding-left: 16px; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.topic-group li::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }

/* Product page: preview placeholder (never the real paid file) */
.preview-pending { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 48px; align-items: center; padding: 40px; border: 1px dashed rgba(23,200,229,.28); border-radius: var(--radius); background: rgba(7,24,39,.5); }
.preview-pending h2 { margin-top: 12px; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.preview-pending p { color: var(--muted); }
.preview-pending-sheet { display: grid; align-content: start; gap: 10px; aspect-ratio: 8.5 / 11; padding: 22px 18px; border-radius: 8px; background: linear-gradient(#f5f9fa, #dde8ec); box-shadow: 0 20px 60px rgba(0,0,0,.35); filter: blur(1px); opacity: .45; transform: rotate(-2deg); }
.preview-pending-sheet span { height: 8px; border-radius: 4px; background: #b9ccd4; }
.preview-pending-sheet span:first-child { width: 70%; height: 14px; background: #071c2c; }
.preview-pending-sheet span:nth-child(3) { width: 80%; }
.preview-pending-sheet span:nth-child(5) { width: 55%; }

/* Product page: sample-page gallery (deliberately exported preview images, never the paid file) */
.preview-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; margin-top: 36px; }
.preview-shot { margin: 0; }
.preview-shot img { width: 100%; height: auto; border-radius: 8px; background: #fbfdfe; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.preview-shot figcaption { margin-top: 10px; color: var(--muted-2); font-size: .76rem; text-align: center; }

/* Complete System: the path through all six modules */
.system-path { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; }
.system-path-item { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 18px; padding: 14px 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(7,24,39,.55); }
.system-path-num { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(23,200,229,.35); border-radius: 50%; color: var(--cyan); font-size: .72rem; font-weight: 900; }
.system-path-body { display: grid; gap: 2px; min-width: 0; }
.system-path-body a { color: var(--text); text-decoration: none; }
.system-path-body a:hover { color: var(--cyan-2); }
.system-path-sub { color: var(--muted-2); font-size: .74rem; }
.system-path-weight { font-size: 1.1rem; font-weight: 900; font-variant-numeric: tabular-nums; }

/* Honest note: states plainly what is not yet decided or available */
.honest-note { display: flex; gap: 10px; align-items: flex-start; margin: 28px 0 0; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(3,16,27,.4); color: var(--muted); font-size: .88rem; }
.honest-note .icon { color: var(--teal); margin-top: 2px; }

/* FAQ */
.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 60px; align-items: start; }
.faq-intro h2 { margin-top: 14px; font-size: clamp(2rem, 3.6vw, 3.2rem); }
.faq-intro p { color: var(--muted); }
.faq-list { display: grid; gap: 10px; }
.faq-item { border: 1px solid var(--line); border-radius: 16px; background: rgba(7,24,39,.6); transition: border-color .2s, background .2s; }
.faq-item[open] { border-color: rgba(23,200,229,.3); background: rgba(13,34,51,.7); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 20px; list-style: none; cursor: pointer; font-size: .98rem; font-weight: 750; border-radius: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { position: relative; flex: none; width: 24px; height: 24px; border: 1px solid rgba(23,200,229,.35); border-radius: 50%; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 9px; height: 1.6px; background: var(--cyan); transform: translate(-50%, -50%); transition: transform .2s; }
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-answer { padding: 0 20px 18px; }
.faq-answer p { margin: 0; color: var(--muted); font-size: .94rem; }
.faq-groups { display: grid; gap: 44px; max-width: 900px; }
.faq-group-title { margin-bottom: 14px; font-size: 1.35rem; }

/* CTA band */
.cta-band { display: grid; grid-template-columns: minmax(0, 1.2fr) auto; gap: 40px; align-items: center; padding: 44px; border: 1px solid rgba(23,200,229,.22); border-radius: var(--radius); background: linear-gradient(135deg, rgba(23,200,229,.1), rgba(13,34,51,.9) 55%); box-shadow: var(--shadow); }
.cta-band h2 { margin-top: 12px; font-size: clamp(1.9rem, 3.4vw, 3rem); }
.cta-band p { color: var(--muted); }
.cta-band-actions { display: flex; flex-direction: column; gap: 12px; }

/* "Study vibe" music player (homepage): a single on/off switch fixed in the bottom-right corner
   (bottom-left would sit on top of the hero's primary CTA on common laptop screens) */
.study-vibes { position: fixed; right: 20px; bottom: max(20px, env(safe-area-inset-bottom)); z-index: 90; }
.vibe-toggle {
  display: flex; align-items: center; gap: 12px; max-width: min(320px, calc(100vw - 40px));
  padding: 7px 12px 7px 7px; border: 1px solid rgba(23,200,229,.28); border-radius: var(--radius-pill);
  background: rgba(3,16,27,.9); color: var(--text); text-align: left; cursor: pointer;
  box-shadow: 0 18px 50px rgba(0,0,0,.45); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.vibe-toggle:hover { border-color: rgba(23,200,229,.55); transform: translateY(-1px); }
.is-on .vibe-toggle { border-color: rgba(32,215,197,.45); box-shadow: 0 18px 50px rgba(0,0,0,.45), 0 0 34px rgba(23,200,229,.12); }
.vibe-eq { display: flex; flex: none; align-items: flex-end; justify-content: center; gap: 3px; width: 38px; height: 38px; padding: 11px 0; border: 1px solid rgba(23,200,229,.22); border-radius: 50%; background: rgba(23,200,229,.1); }
.vibe-eq span { width: 3px; height: 35%; border-radius: 2px; background: var(--muted-2); transform-origin: bottom; transition: background .2s; }
.vibe-eq span:nth-child(2) { height: 70%; }
.vibe-eq span:nth-child(3) { height: 50%; }
.vibe-eq span:nth-child(4) { height: 85%; }
.is-on .vibe-eq span { background: linear-gradient(var(--cyan-2), var(--teal)); animation: vibe-eq 1.1s ease-in-out infinite; }
.is-on .vibe-eq span:nth-child(2) { animation-delay: -.45s; }
.is-on .vibe-eq span:nth-child(3) { animation-delay: -.2s; }
.is-on .vibe-eq span:nth-child(4) { animation-delay: -.7s; }
.is-loading .vibe-eq span { animation-duration: 2.2s; opacity: .7; }
@keyframes vibe-eq { 0%, 100% { transform: scaleY(.35); } 50% { transform: scaleY(1); } }
.vibe-text { display: grid; min-width: 0; line-height: 1.25; }
.vibe-text strong { font-size: .84rem; font-weight: 800; white-space: nowrap; }
.vibe-text small { overflow: hidden; color: var(--muted); font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }
.is-on .vibe-text small { color: var(--cyan-2); }
.vibe-switch { position: relative; flex: none; width: 38px; height: 22px; margin-left: 4px; border-radius: var(--radius-pill); background: rgba(169,187,200,.24); transition: background .2s; }
.vibe-switch span { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.35); transition: transform .2s; }
.is-on .vibe-switch { background: linear-gradient(135deg, var(--cyan), var(--teal)); }
.is-on .vibe-switch span { transform: translateX(16px); }
.has-study-vibes .site-footer { padding-bottom: 104px; }

/* Phones: a docked "mini player" bar across the bottom edge (mirrors the sticky header), instead of a
   floating chip that would sit on top of headings and sentences as the page scrolls. */
@media (max-width: 760px) {
  .study-vibes { left: 0; right: 0; bottom: 0; }
  .vibe-toggle {
    position: relative; width: 100%; max-width: none; gap: 12px;
    padding: 9px 16px calc(9px + env(safe-area-inset-bottom));
    border: 0; border-top: 1px solid var(--line); border-radius: 0;
    background: rgba(3,16,27,.96); box-shadow: 0 -14px 40px rgba(0,0,0,.35);
  }
  .vibe-toggle:hover { transform: none; }
  .is-on .vibe-toggle { border-top-color: transparent; box-shadow: 0 -14px 40px rgba(0,0,0,.35); }
  .is-on .vibe-toggle::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan) 20%, var(--teal) 80%, transparent); }
  .vibe-eq { width: 34px; height: 34px; padding: 10px 0; }
  .vibe-text { flex: 1; }
  .vibe-text strong { font-size: .86rem; }
  .vibe-text small { font-size: .74rem; }
  .vibe-switch { margin-left: 0; }
  .has-study-vibes .site-footer { padding-bottom: calc(28px + 56px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  .is-on .vibe-eq span { animation: none; }
}

/* ==========================================================================
   10. Footer & page shells
   ========================================================================== */
.site-footer { border-top: 1px solid var(--line); padding: 54px 0 28px; background: rgba(2,12,21,.7); }
.footer-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 40px; padding-bottom: 36px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 82px; height: 82px; border-radius: 50%; object-fit: cover; border: 1px solid rgba(103,231,247,.18); flex: none; }
.footer-brand div { display: grid; }
.footer-brand strong { font-size: .9rem; }
.footer-brand span { color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .12em; margin-top: 3px; }
.footer-brand em { max-width: 240px; margin-top: 10px; color: var(--muted); font-size: .8rem; font-style: normal; line-height: 1.45; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.footer-heading { margin: 0 0 12px; color: var(--cyan); font-size: .68rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-col a { color: var(--muted); font-size: .86rem; text-decoration: none; }
.footer-col a:hover { color: var(--text); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.footer-disclaimer { margin: 0; color: var(--muted-2); font-size: .74rem; line-height: 1.6; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted-2); font-size: .74rem; }

/* Legal and contact pages (moved from v16 inline <style> blocks) */
.policy-hero, .contact-hero { padding-top: 96px; padding-bottom: 72px; }
.policy-hero .section-heading { max-width: 900px; }
.policy-wrap { max-width: 920px; margin-top: 44px; }
.policy-card { min-height: 0; }
.policy-card h2 { margin-top: 32px; font-size: 1.55rem; }
.policy-card p { max-width: none; line-height: 1.8; }
.policy-card a { color: var(--cyan); text-underline-offset: 3px; }
.policy-card .policy-date { color: var(--muted-2); font-size: .78rem; margin-bottom: 28px; }
.contact-card-wrap { margin-top: 44px; }
.not-found .page-title { max-width: 760px; }

/* Platform responsive rules */
@media (max-width: 1080px) {
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .method-step:nth-child(3)::after { display: none; }
}

@media (max-width: 980px) {
  .paths-grid, .faq-layout, .product-hero-grid { grid-template-columns: 1fr; }
  .faq-layout { gap: 30px; }
  .product-hero-grid { gap: 0; }
  .flagship-card { grid-template-columns: 1fr; gap: 34px; padding: 36px 28px; }
  .resource-grid.resource-pair { grid-template-columns: 1fr; }
  .resource-plus { justify-self: center; margin-block: -6px; }
  .blueprint-legend { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; padding: 30px 22px; }
  .cta-band-actions { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 760px) {
  .page-hero, .product-hero { padding-top: 40px; padding-bottom: 56px; }
  .policy-hero, .contact-hero { padding-top: 64px; padding-bottom: 48px; }
  .policy-wrap { margin-top: 30px; }
  .path-card { padding: 28px 22px 24px; }
  .path-card h3 { font-size: 1.45rem; padding-right: 0; }
  .path-card .flagship-tag { position: static; align-self: flex-start; margin-bottom: 14px; }
  .path-card .button { align-self: stretch; }
  .module-card { padding: 22px 20px 18px; }
  .module-weight { margin-top: 16px; }
  .module-summary { margin-bottom: 18px; }
  .card-cta { margin-top: 12px; }
  .principle { min-height: 0; padding: 26px 22px; }
  .principle h3 { margin-top: 18px; }
  .resource-pair .resource-card { padding: 28px 24px; }
  .resource-pair .resource-icon { margin-bottom: 24px; }
  .flagship-card { padding: 28px 20px; border-radius: 24px; }
  .blueprint { padding: 18px 16px 12px; }
  .blueprint-seg { font-size: .6rem; }
  .method-steps { grid-template-columns: 1fr; gap: 10px; }
  .method-step { display: grid; grid-template-columns: 34px minmax(0, 1fr); column-gap: 12px; padding: 16px; }
  .method-step strong { margin-top: 0; }
  .method-step p { grid-column: 2; }
  .method-step .method-num { grid-row: span 2; padding-top: 3px; }
  .method-step:not(:last-child)::after, .method-step:nth-child(3)::after { display: grid; content: "↓"; left: 24px; right: auto; top: auto; bottom: -15px; transform: none; }
  .purchase-panel { padding: 22px; }
  .preview-pending { grid-template-columns: 1fr; gap: 28px; padding: 28px 22px; }
  .preview-pending-sheet { width: 140px; }
  .system-path-item { grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px 14px; padding: 14px 16px; }
  .system-path-item .status-badge { grid-column: 2 / -1; justify-self: start; }
  .stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 16px; }
  .stat-row dd { font-size: 1.35rem; }
  .stat-row dt { font-size: .7rem; line-height: 1.35; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .module-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 420px) {
  .blueprint-legend { grid-template-columns: 1fr; }
}