/* ============================================================
   Cephalo.ai — brand theme v2 (premium pass, official brand guide).
   Colors:  coral #EA5A43 · grey #6B6B6B · white.  Font: Montserrat.
   Elevated: display typography, radiograph hero, glass header,
   layered depth, scroll-reveal micro-interactions.
   ============================================================ */
:root {
  --cai-coral:      #EA5A43;
  --cai-coral-dk:   #d84a34;
  --cai-coral-deep: #b93a27;
  --cai-coral-soft: #fbe6e1;
  --cai-coral-tint: #fdf3f1;
  --cai-grey:       #6B6B6B;
  --cai-ink:        #3f3f3f;
  --cai-ink-deep:   #2e2e2e;
  --cai-body:       #5f5f5f;
  --cai-muted:      #8a8a8a;
  --cai-line:       #ecE9e7;
  --cai-bg:         #ffffff;
  --cai-bg-soft:    #faf8f7;
  --cai-radiograph: #23201f;
  --cai-radius:     18px;
  --cai-radius-sm:  12px;
  --cai-shadow-xs:  0 1px 2px rgba(46, 46, 46, .05);
  --cai-shadow:     0 12px 34px rgba(46, 46, 46, .09);
  --cai-shadow-lg:  0 30px 70px rgba(46, 46, 46, .14);
  --cai-glow:       0 18px 44px rgba(234, 90, 67, .32);
  --cai-maxw:       1140px;
  --cai-font:       'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --cai-ease:       cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body.cai {
  margin: 0;
  font-family: var(--cai-font);
  color: var(--cai-body);
  background: var(--cai-bg);
  line-height: 1.65;
  font-size: 16.5px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.cai--rtl { direction: rtl; }
img { max-width: 100%; height: auto; }
a { color: var(--cai-coral-dk); text-decoration: none; }
strong, b { font-weight: 700; }
::selection { background: var(--cai-coral); color: #fff; }

.cai-container { width: 100%; max-width: var(--cai-maxw); margin: 0 auto; padding: 0 28px; }

/* ── Scroll reveal (JS adds .is-in; motion-safe only) ─────── */
@media (prefers-reduced-motion: no-preference) {
  .cai-reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--cai-ease), transform .7s var(--cai-ease); }
  .cai-reveal.is-in { opacity: 1; transform: none; }
  .cai-reveal[data-d="1"] { transition-delay: .08s; }
  .cai-reveal[data-d="2"] { transition-delay: .16s; }
  .cai-reveal[data-d="3"] { transition-delay: .24s; }
}

/* ── Buttons ─────────────────────────────────────────────── */
.cai-btn {
  position: relative; display: inline-flex; align-items: center; gap: .55em;
  padding: 14px 28px; border-radius: 999px;
  font-weight: 700; font-size: .95rem; line-height: 1; letter-spacing: .015em;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform .2s var(--cai-ease), box-shadow .25s var(--cai-ease),
              background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.cai-btn:hover { transform: translateY(-2px); }
.cai-btn:active { transform: translateY(0); }
.cai-btn--primary {
  background: linear-gradient(180deg, #f06a52, var(--cai-coral) 55%, var(--cai-coral-dk));
  color: #fff; box-shadow: 0 10px 24px rgba(234, 90, 67, .35), inset 0 1px 0 rgba(255,255,255,.25);
}
.cai-btn--primary:hover { box-shadow: var(--cai-glow), inset 0 1px 0 rgba(255,255,255,.25); }
.cai-btn--secondary { background: #fff; color: var(--cai-ink); border-color: #ddd8d5; box-shadow: var(--cai-shadow-xs); }
.cai-btn--secondary:hover { border-color: var(--cai-coral); color: var(--cai-coral-dk); box-shadow: 0 10px 26px rgba(234, 90, 67, .14); }
.cai-btn--ghost { background: transparent; color: var(--cai-ink); }
.cai-btn--ghost:hover { color: var(--cai-coral-dk); }
.cai-btn--lg { padding: 17px 36px; font-size: 1.02rem; }
.cai-btn--block { width: 100%; justify-content: center; }
.cai-btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* ── Logo ────────────────────────────────────────────────── */
.cai-logo { display: inline-flex; align-items: center; gap: 12px; }
.cai-logo__icon { height: 42px; width: auto; display: block; transition: transform .3s var(--cai-ease); }
.cai-logo:hover .cai-logo__icon { transform: rotate(-4deg) scale(1.04); }
.cai-logo__word {
  font-weight: 800; font-size: 1.3rem; letter-spacing: .02em; line-height: 1;
  color: var(--cai-grey); white-space: nowrap;
}
.cai-logo--footer .cai-logo__icon { height: 48px; filter: brightness(0) invert(1); }
.cai-logo--footer .cai-logo__word { color: #fff; }

/* ── Header ──────────────────────────────────────────────── */
.cai-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(46, 46, 46, .07);
  transition: box-shadow .3s;
}
.cai-header__inner { display: flex; align-items: center; gap: 20px; height: 76px; }
.cai-nav { display: flex; gap: 2px; margin-inline-start: 22px; }
.cai-nav__link { position: relative; padding: 9px 13px; border-radius: 9px; color: var(--cai-ink); font-weight: 600; font-size: .9rem; transition: color .2s, background .2s; }
.cai-nav__link::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 4px; height: 2px;
  background: var(--cai-coral); border-radius: 2px; transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--cai-ease);
}
.cai-nav__link:hover { color: var(--cai-coral-dk); }
.cai-nav__link:hover::after { transform: scaleX(1); }
.cai-header__cta { margin-inline-start: auto; display: flex; align-items: center; gap: 10px; }
.cai-header__cta .cai-btn { padding: 11px 22px; }
.cai-burger { display: none; margin-inline-start: auto; background: none; border: 0; width: 42px; height: 42px; cursor: pointer; }
.cai-burger span { display: block; height: 2px; width: 22px; margin: 4px auto; background: var(--cai-ink); border-radius: 2px; transition: .2s; }
.cai-mobilenav { display: none; flex-direction: column; padding: 8px 28px 22px; border-bottom: 1px solid var(--cai-line); background: rgba(255,255,255,.97); backdrop-filter: blur(18px); }
.cai-mobilenav a { padding: 13px 6px; border-bottom: 1px solid var(--cai-line); color: var(--cai-ink); font-weight: 600; }
.cai-mobilenav__cta { color: var(--cai-coral-dk) !important; }
.cai-mobilenav.is-open { display: flex; }

/* ── Sections ────────────────────────────────────────────── */
.cai-section { padding: 96px 0; }
.cai-section--alt { background: var(--cai-bg-soft); }
.cai-head { max-width: 740px; margin: 0 auto 56px; text-align: center; }
.cai-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--cai-coral-dk); background: var(--cai-coral-tint);
  border: 1px solid rgba(234, 90, 67, .18);
  padding: 7px 15px; border-radius: 999px; margin-bottom: 18px;
}
.cai-eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cai-coral); }
.cai-head__title { font-size: clamp(1.85rem, 3.6vw, 2.7rem); line-height: 1.12; letter-spacing: -.022em; color: var(--cai-ink); margin: 0 0 16px; font-weight: 800; }
.cai-head__lead { font-size: 1.12rem; color: var(--cai-muted); margin: 0; font-weight: 400; line-height: 1.7; }

/* ── Hero ────────────────────────────────────────────────── */
.cai-hero { position: relative; overflow: hidden; padding: 104px 0 88px; background: var(--cai-bg); }
.cai-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(52% 58% at 88% 0%, rgba(234, 90, 67, .10), transparent 68%),
    radial-gradient(44% 52% at 0% 100%, rgba(234, 90, 67, .06), transparent 70%);
}
.cai-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .55;
  background-image:
    radial-gradient(rgba(234, 90, 67, .13) 1.3px, transparent 1.5px),
    radial-gradient(rgba(234, 90, 67, .13) 1.3px, transparent 1.5px);
  background-size: 36px 36px; background-position: 0 0, 18px 18px;
  -webkit-mask-image: linear-gradient(115deg, rgba(0,0,0,.8), transparent 55%);
  mask-image: linear-gradient(115deg, rgba(0,0,0,.8), transparent 55%);
}
.cai-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; gap: 64px; align-items: center; }
.cai-hero__title { font-size: clamp(2.3rem, 5.2vw, 3.7rem); line-height: 1.05; letter-spacing: -.03em; color: var(--cai-ink-deep); margin: 18px 0 20px; font-weight: 800; }
.cai-hl { color: var(--cai-coral); position: relative; white-space: nowrap; }
.cai-hl::after {
  content: ""; position: absolute; left: 2%; right: 2%; bottom: .04em; height: .14em;
  background: var(--cai-coral-soft); z-index: -1; border-radius: 4px;
}
.cai-hero__sub { font-size: 1.16rem; color: var(--cai-body); margin: 0 0 24px; max-width: 40ch; line-height: 1.7; }
.cai-hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.cai-hero__trust { list-style: none; padding: 0; margin: 0; display: flex; gap: 10px 24px; flex-wrap: wrap; }
.cai-hero__trust li { display: flex; align-items: center; gap: 9px; font-size: .9rem; color: var(--cai-grey); font-weight: 600; }
.cai-hero__trust i { color: var(--cai-coral); font-size: .95rem; }
.cai-hero__price { font-size: .98rem; color: var(--cai-muted); margin: -6px 0 24px; }
.cai-hero__price b { color: var(--cai-ink); font-size: 1.25rem; font-weight: 800; }

/* Hero visual — radiograph viewer card with live tracing */
.cai-hero__media { display: flex; justify-content: center; perspective: 1200px; }
.cai-hero__card {
  position: relative; width: 100%; max-width: 460px;
  background: #fff; border: 1px solid rgba(46,46,46,.08);
  border-radius: 24px; box-shadow: var(--cai-shadow-lg);
  padding: 14px 14px 0; overflow: hidden;
  transform: rotate3d(1, -1, 0, 4deg);
  transition: transform .6s var(--cai-ease), box-shadow .6s var(--cai-ease);
}
.cai-hero__card:hover { transform: none; box-shadow: 0 34px 80px rgba(234, 90, 67, .18); }
.cai-viewer {
  position: relative; border-radius: 16px; overflow: hidden;
  background:
    radial-gradient(120% 90% at 30% 20%, #34302e 0%, var(--cai-radiograph) 58%, #191716 100%);
  aspect-ratio: 4 / 3.4;
}
.cai-viewer::before {
  content: ""; position: absolute; inset: 0; opacity: .12;
  background-image: linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px);
  background-size: 44px 44px;
}
.cai-viewer__skull {
  position: absolute; inset: 10% 12% 12%; margin: auto; width: auto; height: 82%;
  object-fit: contain; display: block; left: 0; right: 0;
  filter: brightness(0) invert(1) opacity(.92)
          drop-shadow(0 0 18px rgba(234, 90, 67, .45));
}
.cai-viewer__sweep {
  position: absolute; top: -10%; bottom: -10%; width: 34%;
  background: linear-gradient(90deg, transparent, rgba(234, 90, 67, .2), rgba(234, 90, 67, .05) 70%, transparent);
  border-right: 1.5px solid rgba(234, 90, 67, .5);
  animation: caiSweep 4.4s var(--cai-ease) infinite;
}
.cai-viewer__pt {
  position: absolute; width: 9px; height: 9px; border-radius: 50%;
  background: var(--cai-coral); box-shadow: 0 0 0 0 rgba(234, 90, 67, .55);
  animation: caiPulse 2.6s ease-out infinite;
}
.cai-viewer__tag {
  position: absolute; font-size: .62rem; font-weight: 700; letter-spacing: .08em;
  color: rgba(255,255,255,.85); background: rgba(46,46,46,.72);
  border: 1px solid rgba(255,255,255,.14);
  padding: 3px 8px; border-radius: 6px; backdrop-filter: blur(4px);
}
.cai-viewer__hud {
  position: absolute; top: 12px; inset-inline-start: 12px; display: flex; gap: 6px; align-items: center;
  font-size: .64rem; font-weight: 700; letter-spacing: .12em; color: rgba(255,255,255,.75);
}
.cai-viewer__hud .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cai-coral); animation: caiBlink 1.6s steps(2) infinite; }
.cai-hero__cardfoot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 12px; text-align: start; }
.cai-hero__cardfoot b { color: var(--cai-ink); font-size: .98rem; }
.cai-hero__cardfoot small { color: var(--cai-muted); }
.cai-badge-time { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; color: var(--cai-coral-dk); background: var(--cai-coral-tint); border: 1px solid rgba(234, 90, 67, .22); padding: 7px 13px; border-radius: 999px; font-size: .84rem; white-space: nowrap; }
@keyframes caiSweep { 0% { left: -36%; } 60%, 100% { left: 104%; } }
@keyframes caiPulse { 0% { box-shadow: 0 0 0 0 rgba(234, 90, 67, .55); } 70% { box-shadow: 0 0 0 12px rgba(234, 90, 67, 0); } 100% { box-shadow: 0 0 0 0 rgba(234, 90, 67, 0); } }
@keyframes caiBlink { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) {
  .cai-viewer__sweep, .cai-viewer__pt, .cai-viewer__hud .dot { animation: none; }
}

/* ── Feature grid ────────────────────────────────────────── */
.cai-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cai-feature {
  position: relative; background: #fff; border: 1px solid var(--cai-line);
  border-radius: var(--cai-radius); padding: 32px 28px;
  transition: box-shadow .35s var(--cai-ease), transform .35s var(--cai-ease), border-color .35s;
  overflow: hidden;
}
.cai-feature::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--cai-coral), #f2907e);
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--cai-ease);
}
.cai-feature:hover { box-shadow: var(--cai-shadow); transform: translateY(-5px); border-color: rgba(234, 90, 67, .25); }
.cai-feature:hover::before { transform: scaleX(1); }
.cai-feature__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--cai-coral-tint); color: var(--cai-coral); font-size: 1.25rem; margin-bottom: 18px;
  box-shadow: inset 0 0 0 1px rgba(234, 90, 67, .14);
}
.cai-feature__title { font-size: 1.12rem; color: var(--cai-ink); margin: 0 0 9px; font-weight: 700; letter-spacing: -.01em; }
.cai-feature__body { margin: 0; color: var(--cai-body); font-size: .95rem; line-height: 1.7; }

/* ── Steps ───────────────────────────────────────────────── */
.cai-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: caistep; }
.cai-step {
  position: relative; padding: 30px 24px 26px; background: #fff;
  border: 1px solid var(--cai-line); border-radius: var(--cai-radius);
  transition: box-shadow .35s var(--cai-ease), transform .35s var(--cai-ease);
}
.cai-step:hover { box-shadow: var(--cai-shadow); transform: translateY(-4px); }
.cai-step__n {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(180deg, #f06a52, var(--cai-coral-dk));
  color: #fff; font-weight: 800; font-size: 1.05rem; margin-bottom: 16px;
  box-shadow: 0 8px 18px rgba(234, 90, 67, .3);
}
.cai-step__title { font-size: 1.05rem; color: var(--cai-ink); margin: 0 0 7px; font-weight: 700; }
.cai-step__body { margin: 0; font-size: .93rem; line-height: 1.65; }

/* ── Chips ───────────────────────────────────────────────── */
.cai-chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 860px; margin: 0 auto; }
.cai-chip {
  padding: 11px 20px; border-radius: 999px; background: #fff; border: 1px solid var(--cai-line);
  font-weight: 600; color: var(--cai-ink); font-size: .95rem; box-shadow: var(--cai-shadow-xs);
  transition: border-color .25s, transform .25s var(--cai-ease), box-shadow .25s;
}
.cai-chip:hover { border-color: var(--cai-coral); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(234, 90, 67, .12); }
.cai-chip--more { background: linear-gradient(180deg, #f06a52, var(--cai-coral-dk)); color: #fff; border-color: transparent; box-shadow: 0 8px 18px rgba(234, 90, 67, .28); }

/* ── Pricing ─────────────────────────────────────────────── */
.cai-pricing { max-width: 1060px; margin: 0 auto; }
.cai-billing { display: flex; align-items: center; justify-content: center; gap: 15px; margin-bottom: 40px; }
.cai-billing__opt { font-weight: 700; color: var(--cai-muted); cursor: pointer; transition: color .2s; font-size: .96rem; }
.cai-billing__opt.is-on { color: var(--cai-ink); }
.cai-billing__save { font-size: .72rem; color: var(--cai-coral-dk); background: var(--cai-coral-soft); padding: 3px 10px; border-radius: 999px; margin-inline-start: 6px; font-weight: 700; }
.cai-switch { position: relative; width: 56px; height: 32px; border-radius: 999px; border: 0; background: #ddd8d5; cursor: pointer; transition: background .25s; }
.cai-switch::after { content: ""; position: absolute; top: 3px; inset-inline-start: 3px; width: 26px; height: 26px; border-radius: 50%; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,.22); transition: transform .25s var(--cai-ease); }
.cai-switch.is-annual { background: var(--cai-coral); }
.cai-switch.is-annual::after { transform: translateX(24px); }
body.cai--rtl .cai-switch.is-annual::after { transform: translateX(-24px); }
.cai-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; align-items: stretch; }
.cai-plan {
  position: relative; display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--cai-line); border-radius: 20px; padding: 34px 28px;
  transition: box-shadow .35s var(--cai-ease), transform .35s var(--cai-ease), border-color .35s;
}
.cai-plan:hover { box-shadow: var(--cai-shadow); transform: translateY(-4px); }
.cai-plan--featured {
  border: 2px solid var(--cai-coral);
  box-shadow: 0 26px 60px rgba(234, 90, 67, .18);
  background: linear-gradient(180deg, #fffdfc, #fff);
}
.cai-plan--featured:hover { transform: translateY(-4px) scale(1.005); }
.cai-plan__badge {
  position: absolute; top: -14px; inset-inline-start: 50%; transform: translateX(-50%);
  background: linear-gradient(180deg, #f06a52, var(--cai-coral-dk)); color: #fff;
  font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 16px; border-radius: 999px; white-space: nowrap;
  box-shadow: 0 8px 18px rgba(234, 90, 67, .35);
}
body.cai--rtl .cai-plan__badge { transform: translateX(50%); }
.cai-plan__name { font-size: 1.35rem; color: var(--cai-ink); margin: 0 0 5px; font-weight: 800; letter-spacing: -.01em; }
.cai-plan__tag { color: var(--cai-muted); font-size: .89rem; margin: 0 0 20px; min-height: 42px; line-height: 1.55; }
.cai-plan__price { display: flex; align-items: baseline; gap: 5px; margin-bottom: 5px; }
.cai-plan__amt { font-size: 2.65rem; font-weight: 800; color: var(--cai-ink-deep); letter-spacing: -.03em; }
.cai-plan__per { color: var(--cai-muted); font-weight: 600; }
.cai-plan__note { color: var(--cai-muted); font-size: .82rem; margin: 0 0 20px; }
.cai-plan__meta { list-style: none; padding: 20px 0 0; margin: 0 0 26px; display: grid; gap: 11px; border-top: 1px dashed var(--cai-line); }
.cai-plan__meta li { position: relative; padding-inline-start: 28px; font-size: .93rem; color: var(--cai-body); }
.cai-plan__meta li::before {
  content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; inset-inline-start: 0; top: 2px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--cai-coral-tint);
  color: var(--cai-coral-dk); font-size: .6rem; display: grid; place-items: center;
}
.cai-plan .cai-btn { margin-top: auto; }
.cai-pricing .cai-amt--annual, .cai-pricing .cai-note--annual { display: none; }
.cai-pricing.is-annual .cai-amt--annual, .cai-pricing.is-annual .cai-note--annual { display: inline; }
.cai-pricing.is-annual .cai-amt--monthly, .cai-pricing.is-annual .cai-note--monthly { display: none; }
.cai-payg {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px;
  margin-top: 30px; padding: 22px 30px; background: #fff;
  border: 1.5px dashed rgba(234, 90, 67, .35); border-radius: 18px; text-align: center;
}
.cai-payg__amt { font-weight: 800; color: var(--cai-ink); font-size: 1.25rem; }

/* ── FAQ ─────────────────────────────────────────────────── */
.cai-faq { max-width: 780px; margin: 0 auto; }
.cai-faq__item { background: #fff; border: 1px solid var(--cai-line); border-radius: 14px; margin-bottom: 12px; padding: 0 22px; transition: border-color .25s, box-shadow .25s; }
.cai-faq__item[open] { border-color: rgba(234, 90, 67, .3); box-shadow: var(--cai-shadow-xs); }
.cai-faq__q { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 700; color: var(--cai-ink); font-size: 1.02rem; position: relative; }
.cai-faq__q::-webkit-details-marker { display: none; }
.cai-faq__q::after {
  content: "\2b"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; inset-inline-end: 0; top: 20px;
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--cai-coral-tint); color: var(--cai-coral-dk); font-size: .78rem;
  transition: transform .25s var(--cai-ease), background .25s, color .25s;
}
.cai-faq__item[open] .cai-faq__q::after { content: "\f068"; background: var(--cai-coral); color: #fff; transform: rotate(180deg); }
.cai-faq__a { padding: 0 0 22px; color: var(--cai-body); line-height: 1.7; }

/* ── CTA band ────────────────────────────────────────────── */
.cai-cta {
  position: relative; overflow: hidden; border-radius: 26px; color: #fff;
  padding: 66px 44px; text-align: center;
  background:
    radial-gradient(70% 120% at 15% 0%, rgba(255,255,255,.16), transparent 55%),
    linear-gradient(135deg, #f0684f 0%, var(--cai-coral) 45%, var(--cai-coral-deep) 100%);
  box-shadow: 0 30px 70px rgba(234, 90, 67, .32);
}
.cai-cta::after {
  content: ""; position: absolute; inset: 0; opacity: .18; pointer-events: none;
  background-image:
    radial-gradient(rgba(255,255,255,.7) 1.2px, transparent 1.4px),
    radial-gradient(rgba(255,255,255,.7) 1.2px, transparent 1.4px);
  background-size: 38px 38px; background-position: 0 0, 19px 19px;
  -webkit-mask-image: linear-gradient(115deg, rgba(0,0,0,.9), transparent 60%);
  mask-image: linear-gradient(115deg, rgba(0,0,0,.9), transparent 60%);
}
.cai-cta > * { position: relative; z-index: 1; }
.cai-cta__title { font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin: 0 0 12px; font-weight: 800; letter-spacing: -.02em; }
.cai-cta__body { font-size: 1.1rem; margin: 0 auto 28px; max-width: 48ch; opacity: .95; line-height: 1.7; }
.cai-cta .cai-btn--primary { background: #fff; color: var(--cai-coral-deep); box-shadow: 0 14px 30px rgba(0,0,0,.18); }
.cai-cta .cai-btn--primary:hover { background: #fff; color: var(--cai-coral-deep); box-shadow: 0 18px 40px rgba(0,0,0,.26); }
.cai-cta .cai-btn--ghost { color: #fff !important; border: 1.5px solid rgba(255,255,255,.5) !important; }
.cai-cta .cai-btn--ghost:hover { border-color: #fff !important; background: rgba(255,255,255,.1); }

/* ── Stat band ───────────────────────────────────────────── */
.cai-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.cai-stat { padding: 10px 6px; }
.cai-stat__n {
  font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.1;
  background: linear-gradient(180deg, var(--cai-coral), var(--cai-coral-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cai-stat__l { color: var(--cai-muted); font-size: .9rem; font-weight: 600; margin-top: 4px; }

/* ── Split (for-clinics / for-labs) ──────────────────────── */
.cai-split { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.cai-split__list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 15px; }
.cai-split__list li { position: relative; padding-inline-start: 34px; color: var(--cai-body); line-height: 1.6; }
.cai-split__list li i {
  position: absolute; inset-inline-start: 0; top: 2px;
  width: 22px; height: 22px; border-radius: 50%; background: var(--cai-coral-tint);
  color: var(--cai-coral-dk); font-size: .68rem; display: grid; place-items: center;
}
.cai-panel { background: #fff; border: 1px solid var(--cai-line); border-radius: 22px; box-shadow: var(--cai-shadow); padding: 38px; }

/* ── Auth / signup ───────────────────────────────────────── */
.cai-auth { display: grid; grid-template-columns: 1fr .9fr; gap: 52px; align-items: center; max-width: 1000px; margin: 0 auto; }
.cai-auth__card { background: #fff; border: 1px solid var(--cai-line); border-radius: 22px; box-shadow: var(--cai-shadow-lg); padding: 40px; }
.cai-auth__card h2 { margin: 0 0 8px; color: var(--cai-ink); font-size: 1.55rem; font-weight: 800; letter-spacing: -.015em; }
.cai-auth__card p.cai-auth__sub { margin: 0 0 24px; color: var(--cai-muted); line-height: 1.65; }
.cai-field { margin-bottom: 16px; }
.cai-field label { display: block; font-weight: 600; color: var(--cai-ink); font-size: .88rem; margin-bottom: 7px; }
.cai-field input {
  width: 100%; padding: 14px 16px; border: 1.5px solid #ddd8d5; border-radius: var(--cai-radius-sm);
  font-size: 1rem; font-family: inherit; background: #fff; color: var(--cai-ink);
  transition: border .2s, box-shadow .2s;
}
.cai-field input:focus { outline: none; border-color: var(--cai-coral); box-shadow: 0 0 0 4px rgba(234, 90, 67, .14); }
.cai-field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cai-auth__msg { margin: 4px 0 14px; font-size: .92rem; min-height: 20px; }
.cai-auth__msg.is-error { color: #c0392b; }
.cai-auth__msg.is-ok { color: var(--cai-coral-dk); }
.cai-auth__legal { font-size: .8rem; color: var(--cai-muted); margin-top: 15px; line-height: 1.6; }
.cai-auth__aside h3 { color: var(--cai-ink); font-size: 1.4rem; font-weight: 800; margin: 0 0 18px; letter-spacing: -.01em; }
.cai-auth__aside ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 15px; }
.cai-auth__aside li { position: relative; padding-inline-start: 36px; color: var(--cai-body); line-height: 1.6; }
.cai-auth__aside li i {
  position: absolute; inset-inline-start: 0; top: 1px;
  width: 24px; height: 24px; border-radius: 8px; background: var(--cai-coral-tint);
  color: var(--cai-coral); font-size: .78rem; display: grid; place-items: center;
}
.cai-hidden { display: none !important; }
.cai-spin { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.5); border-top-color: #fff; border-radius: 50%; animation: caiSpin .7s linear infinite; }
@keyframes caiSpin { to { transform: rotate(360deg); } }

/* ── Footer ──────────────────────────────────────────────── */
.cai-footer {
  position: relative; color: #cfcfcf; padding: 64px 0 30px;
  background:
    radial-gradient(60% 100% at 100% 0%, rgba(234, 90, 67, .12), transparent 60%),
    linear-gradient(180deg, #575757, #4a4a4a);
}
.cai-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 44px; padding-bottom: 38px; border-bottom: 1px solid rgba(255,255,255,.13); }
.cai-footer__brand p { margin: 18px 0 0; font-size: .93rem; max-width: 42ch; line-height: 1.7; }
.cai-footer__by { font-size: .87rem; margin-top: 14px !important; }
.cai-footer__by a { color: #fff; font-weight: 700; }
.cai-footer__col h4 { color: #fff; font-size: .8rem; margin: 0 0 16px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; }
.cai-footer__col a { display: block; color: #cfcfcf; padding: 7px 0; font-size: .93rem; transition: color .2s, transform .2s; }
.cai-footer__col a:hover { color: #fff; transform: translateX(3px); }
body.cai--rtl .cai-footer__col a:hover { transform: translateX(-3px); }
.cai-footer__legal { padding-top: 24px; font-size: .83rem; color: #b5b5b5; }

/* Helpers */
.cai-center { text-align: center; }
.cai-mt { margin-top: 32px; }
.cai-lead-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .cai-nav, .cai-header__cta { display: none; }
  .cai-burger { display: block; }
  .cai-hero { padding: 72px 0 64px; }
  .cai-hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .cai-hero__media { order: -1; }
  .cai-hero__card { transform: none; max-width: 420px; }
  .cai-features, .cai-steps { grid-template-columns: 1fr 1fr; }
  .cai-stats { grid-template-columns: 1fr 1fr; gap: 30px 16px; }
  .cai-split, .cai-auth { grid-template-columns: 1fr; gap: 34px; }
  .cai-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body.cai { font-size: 16px; }
  .cai-section { padding: 64px 0; }
  .cai-features, .cai-steps, .cai-stats { grid-template-columns: 1fr; }
  .cai-field--row { grid-template-columns: 1fr; }
  .cai-footer__grid { grid-template-columns: 1fr; }
  .cai-cta { padding: 44px 26px; }
  .cai-logo__word { font-size: 1.12rem; }
  .cai-hero__ctas .cai-btn { width: 100%; justify-content: center; }
}