/* ============================================================
   Insight Bay — Design System
   Modern editorial: Inter for body/UI, Courier Prime for headings.
   Light + dark mode driven by [data-theme="dark"] on <html>.
   ============================================================ */

:root {
  /* Brand palette — LIGHT */
  --ib-bg:           #F5F1EB;   /* main warm cream */
  --ib-bg-soft:      #FAF7F2;   /* surface lighter */
  --ib-bg-deep:      #EEE9DD;   /* card / muted band */
  --ib-ink:          #20201E;   /* primary text */
  --ib-ink-soft:     #4A4742;   /* secondary text */
  --ib-ink-muted:    #807A72;   /* tertiary text */
  --ib-line:         #E2DCCF;   /* subtle border */
  --ib-line-strong:  #C9C0AE;
  --ib-accent:       #C96442;   /* Claude coral */
  --ib-accent-hover: #B25535;
  --ib-accent-soft:  #F3DDCF;
  --ib-gold:         #B58A3A;   /* premium accent for badges */
  --ib-success:      #4F7A4A;
  --ib-shadow:       0 1px 2px rgba(32,32,30,.04), 0 8px 24px -8px rgba(32,32,30,.12);
  --ib-shadow-lg:    0 4px 12px rgba(32,32,30,.06), 0 24px 48px -16px rgba(32,32,30,.18);

  /* Mode-aware surfaces for backgrounds, hero illustrations, nav, footer */
  --ib-bg-hero-top:    #FFFDF8;
  --ib-grid-line:      rgba(32,32,30,.05);
  --ib-nav-bg:         rgba(245,241,235,0.85);
  --ib-card-bg:        #FFFFFF;
  --ib-footer-bg:      #20201E;
  --ib-footer-text:    #F5F1EB;
  --ib-footer-text-soft:  rgba(245,241,235,.85);
  --ib-footer-text-faint: rgba(245,241,235,.55);
  --ib-footer-line:    rgba(245,241,235,.12);

  /* "Emphasis plate" — dark card / marquee with cream text in BOTH modes */
  --ib-emphasis-bg:        #20201E;
  --ib-emphasis-text:      #F5F1EB;
  --ib-emphasis-text-soft: rgba(245,241,235,.85);
  --ib-emphasis-text-faint:rgba(245,241,235,.6);
  --ib-emphasis-line:      rgba(245,241,235,.15);

  --ib-radius-sm: 8px;
  --ib-radius:    14px;
  --ib-radius-lg: 22px;

  /* Modern hybrid type system: Inter body + Courier Prime headings */
  --ib-font-serif: 'Courier Prime','Special Elite','Courier New',Courier,monospace;
  --ib-font-sans:  'Inter','Helvetica Neue',Arial,system-ui,sans-serif;
  --ib-font-mono:  'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
  --ib-font-stamp: 'Special Elite','Courier Prime',monospace;
}

/* ============================================================
   DARK MODE — every token redefined under [data-theme="dark"].
   Surfaces use deep warm-tinted darks; ink flips to soft creams.
   Accents brighten for contrast against dark backgrounds.
   ============================================================ */
[data-theme="dark"] {
  --ib-bg:           #161513;
  --ib-bg-soft:      #1A1917;
  --ib-bg-deep:      #1E1D1B;
  --ib-ink:          #F2EFE8;
  --ib-ink-soft:     #C9C4BB;
  --ib-ink-muted:    #8E8A82;
  --ib-line:         #2D2B27;
  --ib-line-strong:  #3F3C36;
  --ib-accent:       #E8845E;
  --ib-accent-hover: #F19770;
  --ib-accent-soft:  #3D2A20;
  --ib-gold:         #D9B265;
  --ib-success:      #7AAE73;
  --ib-shadow:       0 1px 2px rgba(0,0,0,.4), 0 8px 24px -8px rgba(0,0,0,.55);
  --ib-shadow-lg:    0 4px 12px rgba(0,0,0,.45), 0 24px 48px -16px rgba(0,0,0,.7);

  --ib-bg-hero-top:    #1F1D1A;
  --ib-grid-line:      rgba(242,239,232,.06);
  --ib-nav-bg:         rgba(22,21,19,0.85);
  --ib-card-bg:        #1E1D1B;
  --ib-footer-bg:      #0F0E0D;
  --ib-footer-text:    #F2EFE8;
  --ib-footer-text-soft:  rgba(242,239,232,.85);
  --ib-footer-text-faint: rgba(242,239,232,.55);
  --ib-footer-line:    rgba(242,239,232,.12);

  /* Emphasis plate in dark mode: even darker than body, coral border for pop */
  --ib-emphasis-bg:        #0E0D0C;
  --ib-emphasis-text:      #F2EFE8;
  --ib-emphasis-text-soft: rgba(242,239,232,.85);
  --ib-emphasis-text-faint:rgba(242,239,232,.6);
  --ib-emphasis-line:      rgba(242,239,232,.15);
}

html { color-scheme: light dark; }
[data-theme="dark"] { color-scheme: dark; }

/* Smooth the theme transition on common surfaces */
body, .ib-nav, .ib-mobile-menu, .ib-card, .ib-price-card,
.ib-blog-post, .ib-footer, .ib-hero-card,
input, textarea, select, button, a {
  transition: background-color .25s ease, color .2s ease, border-color .2s ease;
}

* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

html { scroll-behavior: smooth; }

body {
  background: var(--ib-bg);
  color: var(--ib-ink);
  font-family: var(--ib-font-sans);
  font-feature-settings: 'ss01','cv11';
  line-height: 1.6;
}

h1,h2,h3,h4,h5 {
  font-family: var(--ib-font-serif);
  color: var(--ib-ink);
  letter-spacing: 0;
  line-height: 1.18;
  font-weight: 700;
  text-transform: none;
}

h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); }

/* Eyebrow + accent now read like a stamped document header */
.ib-eyebrow { font-weight: 700; letter-spacing: 0.22em; }

p  { color: var(--ib-ink-soft); }

a  { color: var(--ib-accent); text-decoration: none; }
a:hover { color: var(--ib-accent-hover); }

/* ---------- Layout ---------- */
.ib-container { max-width: 1180px; margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 768px) { .ib-container { padding-inline: 2rem; } }

.ib-section { padding-block: 5rem; }
@media (min-width: 768px) { .ib-section { padding-block: 6.5rem; } }

.ib-eyebrow {
  font-family: var(--ib-font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ib-accent);
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.ib-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.4rem;
  border-radius: 999px;
  font-weight: 500; font-size: .95rem;
  transition: all .18s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.ib-btn-primary {
  background: var(--ib-ink);
  color: var(--ib-bg);
}
.ib-btn-primary:hover {
  background: var(--ib-accent);
  color: #fff;
  transform: translateY(-1px);
}
.ib-btn-accent {
  background: var(--ib-accent);
  color: #fff;
}
.ib-btn-accent:hover {
  background: var(--ib-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}
.ib-btn-ghost {
  background: transparent;
  color: var(--ib-ink);
  border-color: var(--ib-line-strong);
}
.ib-btn-ghost:hover {
  background: var(--ib-bg-deep);
  color: var(--ib-ink);
}

/* ---------- Cards ---------- */
.ib-card {
  background: var(--ib-bg-soft);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius);
  padding: 1.75rem;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ib-card:hover {
  border-color: var(--ib-line-strong);
  box-shadow: var(--ib-shadow);
  transform: translateY(-2px);
}
.ib-card-feature {
  background: linear-gradient(180deg, var(--ib-bg-hero-top) 0%, var(--ib-bg-soft) 100%);
}

/* ---------- Nav ---------- */
.ib-nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--ib-nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ib-line);
}
.ib-nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.ib-logo {
  font-family: var(--ib-font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--ib-ink);
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: .5rem;
}
.ib-logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: var(--ib-accent);
  color: #fff;
  border-radius: 8px;
  font-family: var(--ib-font-serif);
  font-style: italic;
  font-weight: 600;
}
.ib-nav-links { display: none; gap: 2rem; }
.ib-nav-links a {
  color: var(--ib-ink-soft);
  font-size: .92rem;
  font-weight: 500;
  position: relative;
}
.ib-nav-links a:hover { color: var(--ib-ink); }
.ib-nav-links a.active { color: var(--ib-ink); }
.ib-nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -22px;
  height: 2px; background: var(--ib-accent);
}
@media (min-width: 880px) { .ib-nav-links { display: flex; } }

.ib-menu-toggle { display: inline-flex; align-items: center; }
@media (min-width: 880px) { .ib-menu-toggle { display: none; } }

.ib-mobile-menu {
  display: none;
  padding: 1rem 1.25rem 1.5rem;
  border-top: 1px solid var(--ib-line);
  background: var(--ib-bg-soft);
}
.ib-mobile-menu.open { display: block; }
.ib-mobile-menu a {
  display: block; padding: .65rem 0;
  color: var(--ib-ink); font-weight: 500;
  border-bottom: 1px solid var(--ib-line);
}
.ib-mobile-menu a:last-of-type { border-bottom: none; }

/* ---------- Hero ---------- */
.ib-hero {
  position: relative;
  padding-top: 4.5rem; padding-bottom: 5rem;
  overflow: hidden;
}
.ib-hero-grid {
  display: grid; gap: 3rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 960px) {
  .ib-hero-grid { grid-template-columns: 1.15fr .85fr; gap: 4rem; }
  .ib-hero { padding-top: 6rem; padding-bottom: 7rem; }
}
.ib-hero h1 .accent {
  color: var(--ib-accent);
  font-style: italic;
}

/* Hero visual */
.ib-hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--ib-radius-lg);
  background:
    radial-gradient(circle at 30% 20%, rgba(201,100,66,.18), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(181,138,58,.12), transparent 45%),
    linear-gradient(160deg, var(--ib-bg-hero-top) 0%, var(--ib-bg-deep) 100%);
  border: 1px solid var(--ib-line);
  overflow: hidden;
  box-shadow: var(--ib-shadow-lg);
}
.ib-hero-visual::after {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg,  transparent 0 39px, var(--ib-grid-line) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, var(--ib-grid-line) 39px 40px);
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.ib-hero-formula {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; gap: 1rem;
  align-items: center; justify-content: center;
  font-family: var(--ib-font-serif);
  font-style: italic;
  color: var(--ib-ink);
  text-align: center;
  z-index: 2;
  padding: 2rem;
}
.ib-hero-formula .eq { font-size: clamp(1.6rem, 2.6vw, 2.4rem); }
.ib-hero-formula .label { font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ib-accent); font-family: var(--ib-font-sans); font-style: normal;}

/* ---------- Trust band ---------- */
.ib-trust-band {
  border-top: 1px solid var(--ib-line);
  border-bottom: 1px solid var(--ib-line);
  background: var(--ib-bg-soft);
  padding-block: 1.5rem;
}
.ib-trust-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) { .ib-trust-grid { grid-template-columns: repeat(4, 1fr); } }
.ib-trust-item {
  font-family: var(--ib-font-serif);
  font-size: 1.6rem;
}
.ib-trust-item .lbl {
  display: block;
  font-family: var(--ib-font-sans);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ib-ink-muted);
  margin-top: .25rem;
}

/* ---------- Feature grid ---------- */
.ib-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) { .ib-grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) {
  .ib-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .ib-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.ib-icon-wrap {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--ib-accent-soft);
  color: var(--ib-accent);
  margin-bottom: 1rem;
}

/* ---------- Pricing ---------- */
.ib-price-card {
  background: var(--ib-bg-soft);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius-lg);
  padding: 2rem 1.75rem;
  display: flex; flex-direction: column;
  height: 100%;
}
.ib-price-card.featured {
  background: var(--ib-emphasis-bg);
  border-color: var(--ib-emphasis-bg);
  color: var(--ib-emphasis-text);
  position: relative;
}
.ib-price-card.featured h3,
.ib-price-card.featured .price,
.ib-price-card.featured li { color: var(--ib-emphasis-text); }
.ib-price-card.featured .tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--ib-accent); color: #fff;
  padding: .3rem .8rem; border-radius: 999px;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
}
.ib-price { font-family: var(--ib-font-serif); font-size: 2.4rem; }
.ib-price .per { font-family: var(--ib-font-sans); color: var(--ib-ink-muted); font-size: .9rem; }
.ib-price-card.featured .ib-price .per { color: var(--ib-emphasis-text-faint); }
.ib-feat-list { list-style: none; padding: 0; margin: 1rem 0 1.5rem; }
.ib-feat-list li {
  padding: .55rem 0 .55rem 1.6rem;
  position: relative;
  border-bottom: 1px solid var(--ib-line);
  color: var(--ib-ink-soft);
  font-size: .92rem;
}
.ib-price-card.featured .ib-feat-list li {
  border-color: var(--ib-emphasis-line);
  color: var(--ib-emphasis-text-soft);
}
.ib-feat-list li::before {
  content: '✓';
  position: absolute; left: 0; top: .55rem;
  color: var(--ib-accent);
  font-weight: 600;
}

/* ---------- Testimonials ---------- */
.ib-quote {
  background: var(--ib-bg-soft);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius);
  padding: 1.75rem;
  position: relative;
}
.ib-quote::before {
  content: '“';
  position: absolute; top: -.4rem; left: 1rem;
  font-family: var(--ib-font-serif);
  font-size: 4rem;
  color: var(--ib-accent);
  line-height: 1;
}
.ib-quote blockquote {
  font-family: var(--ib-font-serif);
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--ib-ink);
  margin: 0 0 1rem; padding-top: .5rem;
}
.ib-quote .meta { display: flex; align-items: center; gap: .75rem; }
.ib-avatar {
  width: 40px; height: 40px; border-radius: 999px;
  background: var(--ib-accent-soft);
  color: var(--ib-accent);
  font-family: var(--ib-font-serif);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600;
}
.ib-meta-name { font-weight: 600; font-size: .9rem; color: var(--ib-ink); }
.ib-meta-role { font-size: .8rem; color: var(--ib-ink-muted); }

/* ---------- FAQ ---------- */
.ib-faq details {
  border-bottom: 1px solid var(--ib-line);
  padding: 1.25rem 0;
}
.ib-faq summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--ib-font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ib-ink);
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem;
}
.ib-faq summary::-webkit-details-marker { display: none; }
.ib-faq summary::after {
  content: '+';
  font-family: var(--ib-font-sans);
  font-size: 1.4rem;
  color: var(--ib-accent);
  transition: transform .2s ease;
}
.ib-faq details[open] summary::after { content: '−'; }
.ib-faq details p { margin-top: .8rem; }

/* ---------- Form ---------- */
.ib-form { display: grid; gap: 1rem; }
.ib-field label {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  margin-bottom: .35rem;
  color: var(--ib-ink);
}
.ib-field input,
.ib-field select,
.ib-field textarea {
  width: 100%;
  background: var(--ib-card-bg);
  border: 1px solid var(--ib-line-strong);
  border-radius: var(--ib-radius-sm);
  padding: .8rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ib-ink);
  transition: border-color .15s ease, box-shadow .15s ease, background-color .25s ease;
}
.ib-field input:focus,
.ib-field select:focus,
.ib-field textarea:focus {
  outline: none;
  border-color: var(--ib-accent);
  box-shadow: 0 0 0 3px rgba(201,100,66,.18);
}
.ib-field textarea { min-height: 140px; resize: vertical; }

/* ---------- Footer ---------- */
.ib-footer {
  background: var(--ib-footer-bg);
  color: var(--ib-footer-text);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}
.ib-footer h4 {
  color: var(--ib-footer-text);
  font-family: var(--ib-font-sans);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1rem;
  opacity: .7;
}
.ib-footer a { color: var(--ib-footer-text-soft); display: block; padding: .25rem 0; font-size: .92rem; }
.ib-footer a:hover { color: var(--ib-accent); }
.ib-footer-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1.4fr repeat(3, 1fr);
}
@media (max-width: 768px) { .ib-footer-grid { grid-template-columns: 1fr 1fr; } }
.ib-footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  border-top: 1px solid var(--ib-footer-line);
  margin-top: 3rem; padding-top: 1.5rem;
  font-size: .82rem; color: var(--ib-footer-text-faint);
}

/* ---------- Utility ---------- */
.ib-divider {
  height: 1px;
  background: var(--ib-line);
  margin-block: 4rem;
}
.ib-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .35rem .8rem;
  background: var(--ib-accent-soft);
  color: var(--ib-accent);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 500;
}
.ib-badge.gold { background: rgba(181,138,58,.14); color: var(--ib-gold); }

.ib-stat-row {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) { .ib-stat-row { grid-template-columns: repeat(4, 1fr); } }
.ib-stat .num {
  font-family: var(--ib-font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--ib-ink);
}
.ib-stat .lbl {
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ib-ink-muted);
  margin-top: .25rem;
}

/* Page hero (smaller hero used on subpages) */
.ib-page-hero {
  padding-top: 4rem; padding-bottom: 3rem;
  border-bottom: 1px solid var(--ib-line);
  background:
    radial-gradient(ellipse at top right, rgba(201,100,66,.07), transparent 50%),
    var(--ib-bg);
}
@media (min-width: 768px) { .ib-page-hero { padding-top: 5.5rem; padding-bottom: 4rem; } }

/* Prose */
.ib-prose p { margin-bottom: 1.15rem; font-size: 1.05rem; }
.ib-prose h2 { margin-top: 2.5rem; margin-bottom: 1rem; }
.ib-prose h3 { margin-top: 1.75rem; margin-bottom: .75rem; }
.ib-prose ul { padding-left: 1.25rem; margin-bottom: 1.15rem; }
.ib-prose ul li { margin-bottom: .4rem; color: var(--ib-ink-soft); }

/* ---------- Animations ---------- */
@keyframes ib-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes ib-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes ib-scale-in {
  from { opacity: 0; transform: scale(.94); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes ib-slide-right {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes ib-pulse-coral {
  0%,100% { box-shadow: 0 0 0 0 rgba(201,100,66,.35); }
  50%     { box-shadow: 0 0 0 12px rgba(201,100,66,0); }
}
@keyframes ib-blink {
  0%,49% { opacity: 1; }
  50%,100% { opacity: 0; }
}
@keyframes ib-shake {
  0%,100% { transform: translateX(0); }
  25%     { transform: translateX(-2px); }
  75%     { transform: translateX(2px); }
}
@keyframes ib-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.ib-anim { animation: ib-fade-up .7s cubic-bezier(.2,.7,.2,1) both; }
.ib-anim-delay-1 { animation-delay: .1s; }
.ib-anim-delay-2 { animation-delay: .22s; }
.ib-anim-delay-3 { animation-delay: .34s; }
.ib-anim-delay-4 { animation-delay: .46s; }

/* Reveal-on-scroll (set by IntersectionObserver in main.js) */
.ib-reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.ib-reveal.is-visible { opacity: 1; transform: translateY(0); }
.ib-reveal.from-left  { transform: translateX(-28px); }
.ib-reveal.from-left.is-visible  { transform: translateX(0); }
.ib-reveal.from-right { transform: translateX(28px); }
.ib-reveal.from-right.is-visible { transform: translateX(0); }
.ib-reveal.scale      { transform: scale(.96); opacity: 0; }
.ib-reveal.scale.is-visible { transform: scale(1); opacity: 1; }

/* Stagger via inline style: style="--d:.05s" — read by .ib-reveal */
.ib-reveal { transition-delay: var(--d, 0s); }

/* Blinking terminal cursor used in hero */
.ib-cursor::after {
  content: '_';
  margin-left: .15em;
  color: var(--ib-accent);
  animation: ib-blink 1s steps(2,start) infinite;
}

/* Pulse around the primary CTA */
.ib-pulse { animation: ib-pulse-coral 2.4s ease-in-out infinite; }

/* Hover lift for interactive cards beyond the basic .ib-card lift */
.ib-card-interactive {
  position: relative;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease, border-color .35s ease;
}
.ib-card-interactive::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 30%, rgba(201,100,66,.10) 50%, transparent 70%);
  opacity: 0;
  transition: opacity .4s ease;
}
.ib-card-interactive:hover { transform: translateY(-4px); border-color: var(--ib-accent); }
.ib-card-interactive:hover::after { opacity: 1; }

/* Button micro-interactions */
.ib-btn { position: relative; overflow: hidden; }
.ib-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,.18);
  transform: translateX(-100%) skewX(-20deg);
  transition: transform .55s ease;
}
.ib-btn:hover::before { transform: translateX(100%) skewX(-20deg); }
.ib-btn:active { transform: translateY(1px); }

/* Animated underline for nav links */
.ib-nav-links a { transition: color .2s ease; }
.ib-nav-links a::before {
  content: '';
  position: absolute; left: 0; bottom: -22px;
  height: 2px; width: 0;
  background: var(--ib-accent);
  transition: width .3s ease;
}
.ib-nav-links a:hover::before { width: 100%; }

/* Stat counter — visible by default, animates from 0 via JS */
.ib-stat .num,
.ib-trust-item { will-change: contents; }

/* Marquee strip (defense-document ticker) */
.ib-marquee {
  overflow: hidden;
  background: var(--ib-emphasis-bg);
  color: var(--ib-emphasis-text);
  padding: .85rem 0;
  border-top: 1px solid var(--ib-emphasis-line);
  border-bottom: 1px solid var(--ib-emphasis-line);
  white-space: nowrap;
}
.ib-marquee-track {
  display: inline-block;
  white-space: nowrap;
  animation: ib-marquee 38s linear infinite;
  will-change: transform;
  padding-left: 100%;
}
.ib-marquee-item {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ib-emphasis-text-soft);
  margin-right: 2.5rem;
}
.ib-marquee-item::before {
  content: '◆';
  color: var(--ib-accent);
  margin-right: 1rem;
  font-size: .7em;
  vertical-align: middle;
}

/* Checkbox group fix (booking page contact prefs) */
.ib-checkgroup {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: .6rem;
}
.ib-checkgroup label {
  display: inline-flex !important;
  align-items: center;
  gap: .55rem;
  font-size: .95rem;
  cursor: pointer;
  padding: .35rem .75rem .35rem .5rem;
  border-radius: 999px;
  background: var(--ib-bg-deep);
  border: 1px solid var(--ib-line);
  transition: background .15s ease, border-color .15s ease;
}
.ib-checkgroup label:hover { background: var(--ib-accent-soft); border-color: var(--ib-accent); }
.ib-checkgroup input[type="checkbox"] {
  width: 16px; height: 16px;
  margin: 0;
  accent-color: var(--ib-accent);
  flex-shrink: 0;
}

/* ============================================================
   Theme toggle button (sun ↔ moon)
   ============================================================ */
.ib-theme-toggle {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px;
  margin-right: .35rem;
  background: transparent;
  border: 1px solid var(--ib-line);
  border-radius: 999px;
  color: var(--ib-ink-soft);
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
  flex: none;
}
.ib-theme-toggle:hover {
  background: var(--ib-bg-deep);
  color: var(--ib-ink);
  border-color: var(--ib-line-strong);
}
.ib-theme-toggle:focus-visible {
  outline: 2px solid var(--ib-accent);
  outline-offset: 2px;
}
/* Show only the icon that hints at the OTHER mode */
.ib-theme-toggle__sun  { display: none; }
.ib-theme-toggle__moon { display: block; }
[data-theme="dark"] .ib-theme-toggle__sun  { display: block; }
[data-theme="dark"] .ib-theme-toggle__moon { display: none; }

/* In light mode the nav background is cream; the toggle dims to soft ink.
   In dark mode, lift it slightly so it's still visible. */
[data-theme="dark"] .ib-theme-toggle { color: var(--ib-ink); }

/* Make sure the theme toggle in the .ib-nav header sits inline with the CTA */
.ib-nav .ib-theme-toggle { vertical-align: middle; }

/* ============================================================
   PERSISTENT MOBILE CTA
   Sticky "Book your free demo" button on small screens.
   Hides itself when the page's existing primary CTA is on screen
   (handled in main.js via IntersectionObserver).
   ============================================================ */
.ib-sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translate(-50%, 0);
  z-index: 60;
  display: none;
  padding: .95rem 1.4rem;
  background: var(--ib-accent);
  color: #fff;
  border-radius: 999px;
  font-family: var(--ib-font-sans);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  box-shadow: 0 12px 32px -8px rgba(32,32,30,.35), 0 2px 4px rgba(32,32,30,.18);
  border: 1px solid color-mix(in srgb, var(--ib-accent) 70%, #000);
  transition: opacity .2s ease, transform .25s ease, background .15s ease;
  opacity: 1;
  text-decoration: none;
}
.ib-sticky-cta:hover { background: var(--ib-accent-hover); color: #fff; }
.ib-sticky-cta.is-hidden { opacity: 0; transform: translate(-50%, 120%); pointer-events: none; }
.ib-sticky-cta__arrow { width: 14px; height: 14px; }
[data-theme="dark"] .ib-sticky-cta {
  box-shadow: 0 12px 32px -8px rgba(0,0,0,.55), 0 2px 4px rgba(0,0,0,.4);
}
@media (max-width: 720px) {
  .ib-sticky-cta { display: inline-flex; align-items: center; gap: .45rem; }
}

/* ============================================================
   REVIEW WALL (testimonials / homepage social proof)
   ============================================================ */
.ib-review-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.ib-review {
  display: flex; flex-direction: column;
  gap: .85rem;
  padding: 1.5rem 1.5rem 1.25rem;
  background: var(--ib-card-bg);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius);
  box-shadow: var(--ib-shadow);
  transition: transform .2s ease, border-color .2s, box-shadow .2s;
}
.ib-review:hover { transform: translateY(-2px); border-color: var(--ib-line-strong); }
.ib-review__stars {
  color: var(--ib-gold);
  letter-spacing: .12em;
  font-size: 1rem;
  line-height: 1;
}
.ib-review__body {
  color: var(--ib-ink);
  font-size: .98rem;
  line-height: 1.6;
  margin: 0;
}
.ib-review__meta {
  display: flex; align-items: center; gap: .75rem;
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px dashed var(--ib-line);
}
.ib-review__avatar {
  width: 32px; height: 32px;
  border-radius: 999px;
  background: var(--ib-accent-soft);
  color: var(--ib-accent);
  display: inline-grid; place-items: center;
  font-family: var(--ib-font-serif);
  font-weight: 700;
  font-size: .85rem;
  flex: none;
}
.ib-review__who {
  display: flex; flex-direction: column;
  font-size: .85rem;
  line-height: 1.35;
}
.ib-review__name {
  color: var(--ib-ink);
  font-weight: 600;
}
.ib-review__context {
  color: var(--ib-ink-muted);
  font-family: var(--ib-font-serif);
  font-size: .78rem;
  letter-spacing: .03em;
}
.ib-review__aggregate {
  display: flex; flex-wrap: wrap; align-items: center; gap: .85rem;
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--ib-bg-deep);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius);
  font-size: .92rem;
  color: var(--ib-ink-soft);
}
.ib-review__aggregate strong {
  color: var(--ib-ink);
  font-family: var(--ib-font-serif);
  font-weight: 700;
}
.ib-review__aggregate-stars { color: var(--ib-gold); letter-spacing: .1em; }

/* ============================================================
   MEET YOUR TUTOR — personal panel on homepage
   ============================================================ */
.ib-tutor-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2.25rem;
  background: var(--ib-card-bg);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius-lg);
  box-shadow: var(--ib-shadow);
}
@media (min-width: 760px) {
  .ib-tutor-card { grid-template-columns: 280px 1fr; gap: 2.5rem; }
}
.ib-tutor-card__portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--ib-radius);
  background:
    radial-gradient(circle at 30% 25%, rgba(201,100,66,.20), transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(181,138,58,.14), transparent 50%),
    linear-gradient(155deg, var(--ib-bg-hero-top) 0%, var(--ib-bg-deep) 100%);
  border: 1px solid var(--ib-line);
  overflow: hidden;
  display: grid; place-items: center;
}
.ib-tutor-card__portrait::after {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, var(--ib-grid-line) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, var(--ib-grid-line) 39px 40px);
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 75%);
}
.ib-tutor-card__initial {
  font-family: var(--ib-font-serif);
  font-size: 5rem;
  font-weight: 700;
  color: var(--ib-accent);
  font-style: italic;
  z-index: 1;
}
.ib-tutor-card__body { display: flex; flex-direction: column; gap: 1rem; }
.ib-tutor-card__quote {
  font-family: var(--ib-font-serif);
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--ib-ink);
  font-style: italic;
  margin: 0;
}
.ib-tutor-card__creds {
  display: flex; flex-wrap: wrap; gap: .4rem;
  list-style: none; padding: 0; margin: 0;
}
.ib-tutor-card__creds li {
  font-family: var(--ib-font-serif);
  font-size: .75rem;
  letter-spacing: .04em;
  padding: .35rem .7rem;
  background: var(--ib-bg-deep);
  color: var(--ib-ink-soft);
  border-radius: 999px;
  border: 1px solid var(--ib-line);
}
.ib-tutor-card__sign {
  display: flex; align-items: center; gap: 1rem;
  padding-top: .75rem;
  border-top: 1px dashed var(--ib-line);
  font-size: .85rem;
  color: var(--ib-ink-muted);
}
.ib-tutor-card__sign strong { color: var(--ib-ink); }

/* ============================================================
   OUTCOMES BLOCK — specific, exam-board-aware numbers
   ============================================================ */
.ib-outcomes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.ib-outcome {
  padding: 1.5rem;
  background: var(--ib-card-bg);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius);
  display: flex; flex-direction: column; gap: .5rem;
}
.ib-outcome__figure {
  font-family: var(--ib-font-serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--ib-accent);
  letter-spacing: -.01em;
  line-height: 1;
}
.ib-outcome__label {
  color: var(--ib-ink);
  font-size: 1.02rem;
  font-weight: 500;
}
.ib-outcome__context {
  color: var(--ib-ink-muted);
  font-size: .82rem;
  font-family: var(--ib-font-serif);
  letter-spacing: .02em;
}

/* ============================================================
   HOMEPAGE FAQ ACCORDION
   ============================================================ */
.ib-faq-list {
  display: flex; flex-direction: column;
  gap: .5rem;
  max-width: 880px;
  margin: 2rem auto 0;
}
.ib-faq-item {
  background: var(--ib-card-bg);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius);
  overflow: hidden;
}
.ib-faq-item[open] {
  border-color: var(--ib-line-strong);
  box-shadow: var(--ib-shadow);
}
.ib-faq-item summary {
  list-style: none;
  padding: 1.15rem 1.4rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-family: var(--ib-font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ib-ink);
  transition: background-color .15s ease;
}
.ib-faq-item summary::-webkit-details-marker { display: none; }
.ib-faq-item summary:hover { background: var(--ib-bg-deep); }
.ib-faq-item summary::after {
  content: '';
  width: 12px; height: 12px;
  border-right: 2px solid var(--ib-accent);
  border-bottom: 2px solid var(--ib-accent);
  transform: rotate(45deg);
  transition: transform .2s ease;
  flex: none;
}
.ib-faq-item[open] summary::after { transform: rotate(-135deg); }
.ib-faq-item__body {
  padding: 0 1.4rem 1.4rem;
  color: var(--ib-ink-soft);
  line-height: 1.65;
}

/* ============================================================
   DEMO TIMELINE (booking page)
   ============================================================ */
.ib-demo-timeline {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 2rem;
}
.ib-demo-step {
  position: relative;
  padding: 1.25rem 1.3rem;
  background: var(--ib-card-bg);
  border: 1px solid var(--ib-line);
  border-radius: var(--ib-radius);
}
.ib-demo-step__num {
  font-family: var(--ib-font-serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--ib-accent);
  line-height: 1;
}
.ib-demo-step__title {
  font-size: 1rem; font-weight: 600;
  color: var(--ib-ink);
  margin: .5rem 0 .3rem;
}
.ib-demo-step__body {
  font-size: .88rem; color: var(--ib-ink-muted);
  line-height: 1.55;
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .ib-reveal { opacity: 1; transform: none; }
}
