/* ============================================================
   Klaine's marketing site — responsive layout + motion
   Loaded AFTER ../../styles.css (tokens). Components keep their
   visual styling inline; layout-critical + animated rules live here.
   ============================================================ */

html, body { overflow-x: hidden; }

/* ── Motion ─────────────────────────────────────────────── */
@keyframes klFadeUp   { from { opacity: 0; transform: translateY(14px); } }
@keyframes klRevealUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes klSlideIn  { from { opacity: 0; transform: translateX(26px); } }
@keyframes klPop      { 0% { transform: scale(1); } 45% { transform: scale(1.4); } 100% { transform: scale(1); } }

@media (prefers-reduced-motion: no-preference) {
  /* Scroll reveal — hidden until fx.js's scroll observer adds .kl-in.
     Uses a transition (not animation) so the resting state is the declared
     opacity:1 — content can never get stuck invisible if motion is frozen.
     Scoped to .kl-js so content stays visible if JS never runs. */
  .kl-js .kl-anim-in {
    opacity: 0; transform: translateY(20px);
    transition: opacity 620ms var(--ease-soft), transform 620ms var(--ease-soft);
    transition-delay: calc(var(--i, 0) * 55ms);
    will-change: opacity, transform;
  }
  .kl-js .kl-anim-in.kl-in { opacity: 1; transform: none; }
  .kl-drawer-item { animation: klSlideIn 340ms var(--ease-soft) backwards; animation-delay: calc(var(--i, 0) * 55ms); }
  .kl-badge-pop   { animation: klPop 380ms var(--ease-emerge); }
}

/* Card hover lift (replaces per-card JS mouse handlers) */
.kl-card-lift { transition: transform 220ms var(--ease-soft), box-shadow 220ms var(--ease-soft); }
@media (hover: hover) {
  .kl-card-lift:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg) !important; }
  .kl-card-lift:hover .kl-card-photo { transform: scale(1.05); }
}
.kl-card-photo { transition: transform 700ms var(--ease-soft); }

/* ── Nav ────────────────────────────────────────────────── */
.kl-nav {
  display: grid; grid-template-columns: 1fr auto 1fr;
  grid-template-areas: "brand links cart";
  align-items: center; gap: 32px; padding: 16px 48px;
}
.kl-nav-brand { grid-area: brand; }
.kl-nav-links { grid-area: links; display: flex; gap: 28px; justify-content: center; }
.kl-nav-links a { white-space: nowrap; }
.kl-nav-cart  { grid-area: cart; display: flex; justify-content: flex-end; gap: 12px; align-items: center; }

/* ── Layout scaffolding ─────────────────────────────────── */
.kl-page { padding: 64px 64px 96px; }

.kl-hero { padding: 80px 64px 96px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; min-height: 640px; }
.kl-hero-title { font-size: clamp(40px, 5.2vw, 66px); }
.kl-hero-title em { font-size: clamp(50px, 6.4vw, 82px); }

.kl-grid-products { display: grid; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); gap: 18px; }
.kl-grid-related  { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.kl-card-media    { height: 220px; position: relative; overflow: hidden; }
.kl-card-foot     { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

.kl-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.kl-buy-row     { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.kl-checkout-grid    { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.kl-checkout-summary { position: sticky; top: 96px; }

.kl-footer { padding: 72px 64px 36px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; }
.kl-footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.kl-drawer { width: 440px; max-width: 100vw; }

/* Page-title clamps */
.kl-h1          { font: 600 clamp(34px, 4.6vw, 52px)/1.05 var(--font-serif); margin: 0; }
.kl-h1-detail   { font: 600 clamp(30px, 4.2vw, 48px)/1.1  var(--font-serif); margin: 0; }
.kl-h1-checkout { font-size: clamp(28px, 4vw, 42px); line-height: 1.05; }

/* ── Touch & accessibility ──────────────────────────────── */
button, a, select { touch-action: manipulation; }
:focus-visible { outline: 2px solid var(--klaines-burgundy-700); outline-offset: 2px; }

/* Press feedback (scale on tap, restores on release) */
@media (prefers-reduced-motion: no-preference) {
  .kl-press { transition: transform 120ms var(--ease-soft); }
  .kl-press:active { transform: scale(0.96); }
}

/* Expanded hit area for small visual controls (≥44px effective) */
.kl-hit { position: relative; }
.kl-hit::after { content: ""; position: absolute; inset: -8px; border-radius: inherit; }

/* Checkout form inputs — visible focus ring */
.co-input { outline: none; transition: border-color 160ms var(--ease-soft), box-shadow 160ms var(--ease-soft); }
.co-input:focus { border-color: var(--klaines-burgundy-700) !important;
                  box-shadow: 0 0 0 3px rgba(122, 28, 42, 0.14); }

/* Screen-reader-only utility */
.kl-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
              overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Undo toast inside drawer */
.kl-undo-toast {
  position: absolute; left: 16px; right: 16px; bottom: 16px; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-md);
  background: var(--klaines-burgundy-800); color: var(--klaines-cream);
  box-shadow: var(--shadow-lg);
}
@media (prefers-reduced-motion: no-preference) {
  .kl-undo-toast { animation: klFadeUp 240ms var(--ease-soft) backwards; }
}

/* ── Tablet ─────────────────────────────────────────────── */
@media (max-width: 980px) {
  .kl-hero { grid-template-columns: 1fr; min-height: 0; gap: 40px; padding: 48px 24px 64px; }
  .kl-hero-photo { aspect-ratio: 1 / 0.85 !important; }

  .kl-detail-grid  { grid-template-columns: 1fr; gap: 30px; }
  .kl-detail-photo { aspect-ratio: 1 / 0.8 !important; }

  .kl-checkout-grid    { grid-template-columns: 1fr; gap: 36px; }
  .kl-checkout-summary { position: static; }

  .kl-grid-related { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .kl-footer { grid-template-columns: 1fr 1fr; gap: 36px; padding: 48px 24px 28px; }

  /* Home / lines / history sections (desktop layout lives inline) */
  .kl-lines-grid { grid-template-columns: 1fr 1fr !important; }
  .kl-lines-grid > a { grid-column: auto !important; }
  .kl-split, .kl-split-even { grid-template-columns: 1fr !important; gap: 32px !important; }
  .kl-chips-grid { grid-template-columns: repeat(2, 1fr) !important; row-gap: 28px !important; }
  .kl-line-row { grid-template-columns: 1fr !important; }
  .kl-line-row > * { grid-column: 1 !important; grid-row: auto !important; }
  .kl-neuro-card { flex-wrap: wrap; row-gap: 28px; }
}

/* ── Nav collapse ───────────────────────────────────────── */
@media (max-width: 880px) {
  .kl-nav { grid-template-columns: 1fr auto; grid-template-areas: "brand cart" "links links"; gap: 2px 12px; padding: 10px 16px 0; }
  .kl-nav-brand img { height: 36px !important; }
  .kl-nav-links { justify-content: flex-start; gap: 22px; overflow-x: auto; padding: 12px 2px; scrollbar-width: none; }
  .kl-nav-links::-webkit-scrollbar { display: none; }
  .kl-nav-insta, .kl-nav-cart-label { display: none; }
}

/* ── Safety net: every page section breathes on small screens ── */
@media (max-width: 900px) {
  main section { padding-left: 24px !important; padding-right: 24px !important; }
}

/* ── Phones ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  main section { padding-left: 18px !important; padding-right: 18px !important; }
  main h1 { font-size: clamp(30px, 8vw, 42px) !important; }
  main h2 { font-size: clamp(24px, 6.6vw, 34px) !important; }
  .kl-hero-title em { font-size: clamp(36px, 10vw, 52px) !important; }

  /* Tighten the generous desktop vertical rhythm on phones */
  main > section { padding-top: 52px !important; padding-bottom: 52px !important; }
  .kl-hero { padding-top: 40px !important; padding-bottom: 52px !important; }

  .kl-page { padding-top: 36px; padding-bottom: 56px; }
  .kl-grid-products { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .kl-grid-related  { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; gap: 12px; }
  .kl-card-media { height: 165px; }
  .kl-lines-grid { grid-template-columns: 1fr !important; }
  .kl-chips-grid { grid-template-columns: 1fr !important; }
  .kl-footer { grid-template-columns: 1fr; }
  .kl-footer-bottom { flex-direction: column; align-items: flex-start; }
  .kl-drawer { width: 100vw; }

  /* Detail buy-row: full-width CTA below price + qty */
  .kl-buy-row { gap: 14px; }
  .kl-buy-row > button:last-child,
  .kl-buy-row .kl-btn { flex: 1 1 100%; }
}

/* ── "Added to cart" toast (global, bottom-center) ──────── */
.kl-toast {
  position: fixed; left: 50%; bottom: 24px;
  transform: translate(-50%, 150%);
  z-index: 200; display: flex; align-items: center; gap: 14px;
  padding: 12px 14px 12px 20px; border-radius: 999px;
  background: var(--klaines-burgundy-800); color: var(--klaines-cream);
  box-shadow: var(--shadow-lg); max-width: calc(100vw - 28px);
  font: 600 14px/1 var(--font-ui); letter-spacing: 0.01em;
  opacity: 0; transition: transform 380ms var(--ease-emerge), opacity 240ms var(--ease-soft);
}
.kl-toast.kl-toast-show { transform: translate(-50%, 0); opacity: 1; }
.kl-toast-msg { display: inline-flex; align-items: center; gap: 10px;
                white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kl-toast-action {
  flex: 0 0 auto; background: var(--klaines-cream); color: var(--brand-primary);
  border: 0; cursor: pointer; padding: 10px 16px; border-radius: 999px;
  font: 700 12px/1 var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase;
}
.kl-toast-action:hover { background: #fff; }
@media (prefers-reduced-motion: reduce) {
  .kl-toast { transition: opacity 200ms; transform: translate(-50%, 0); }
  .kl-toast:not(.kl-toast-show) { opacity: 0; pointer-events: none; }
}

/* ── Mobile sticky buy bar (product detail only) ────────── */
.kl-buybar { display: none; }
.kl-buybar-spacer { display: none; }
@media (max-width: 640px) {
  .kl-buybar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    display: flex; align-items: center; gap: 12px;
    padding: 11px 16px calc(11px + env(safe-area-inset-bottom, 0px));
    background: rgba(253, 248, 242, 0.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-hairline);
    box-shadow: 0 -8px 26px rgba(59, 14, 21, 0.12);
    animation: klRevealUp 360ms var(--ease-emerge) backwards;
  }
  /* Keep the footer clear of the fixed bar on the detail page */
  .kl-buybar-spacer { display: block; height: 76px; }
  body.kl-buybar-active .kl-footer {
    padding-bottom: calc(36px + 80px + env(safe-area-inset-bottom, 0px));
  }
}
@media (max-width: 640px) and (prefers-reduced-motion: reduce) {
  .kl-buybar { animation: none; }
}

/* ── Emotional quiz ─────────────────────────────────────── */
@media (hover: hover) {
  .kl-quiz-opt:hover { border-color: var(--klaines-burgundy-700) !important;
                       box-shadow: var(--shadow-md); transform: translateY(-2px); }
}
@media (max-width: 620px) {
  .kl-quiz-grid { grid-template-columns: 1fr !important; }
}

/* ── Sound toggle (nav) ─────────────────────────────────── */
.kl-sound-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 999px; flex: 0 0 auto;
  background: none; border: 1px solid var(--border-hairline);
  color: var(--text-heading); cursor: pointer;
  transition: background 160ms var(--ease-soft), color 160ms var(--ease-soft), border-color 160ms var(--ease-soft);
}
.kl-sound-toggle[aria-pressed="true"] {
  background: var(--klaines-burgundy-100); color: var(--brand-primary);
  border-color: var(--klaines-burgundy-100);
}
@media (hover: hover) { .kl-sound-toggle:hover { border-color: var(--klaines-burgundy-700); } }

/* ── Klaine's Saberes (academia) ────────────────────────── */
.kl-grid-academy {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px;
}
.kl-maestria-grid {
  display: grid; grid-template-columns: 1.5fr 0.9fr; gap: 48px; align-items: start;
}

@media (max-width: 980px) {
  .kl-grid-academy { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kl-maestria-grid { grid-template-columns: 1fr; gap: 32px; }
  .kl-maestria-grid > aside { position: static !important; }
  .kl-academy-format { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 640px) {
  .kl-grid-academy { grid-template-columns: 1fr; gap: 14px; }
}

/* ── "Pregúntale a Clara" — concierge widget ────────────── */
.kl-clara-fab { transition: transform 200ms var(--ease-emerge), box-shadow 200ms var(--ease-soft); }
@media (hover: hover) { .kl-clara-fab:hover { transform: translateY(-2px) scale(1.04); } }

.kl-clara-ping {
  position: absolute; inset: 0; border-radius: 999px; pointer-events: none;
  box-shadow: 0 0 0 0 var(--klaines-burgundy-700);
}
@media (prefers-reduced-motion: no-preference) {
  .kl-clara-ping { animation: klClaraPing 2.6s var(--ease-soft) infinite; }
  .kl-clara-nudge { animation: klPop 320ms var(--ease-emerge) both; transform-origin: bottom right; }
}
@keyframes klClaraPing {
  0%   { box-shadow: 0 0 0 0 rgba(84,21,29,0.45); }
  70%  { box-shadow: 0 0 0 16px rgba(84,21,29,0); }
  100% { box-shadow: 0 0 0 0 rgba(84,21,29,0); }
}

.kl-clara-panel {
  position: fixed; z-index: 119; display: flex; flex-direction: column;
  right: clamp(16px, 3vw, 28px); bottom: calc(clamp(16px, 3vw, 28px) + 72px);
  width: 384px; height: min(620px, calc(100vh - 120px));
  background: var(--surface-page); border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-inset-glow);
  transform: translateY(16px) scale(0.97); opacity: 0; pointer-events: none;
  transform-origin: bottom right;
  transition: transform 300ms var(--ease-emerge), opacity 220ms var(--ease-soft);
}
.kl-clara-panel[data-open="1"] { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }
.kl-clara-backdrop { display: none; }

.kl-clara-chip {
  padding: 8px 14px; border-radius: 999px; cursor: pointer;
  background: var(--surface-card); border: 1px solid var(--klaines-burgundy-200, var(--border-hairline));
  color: var(--brand-primary); font: 600 12.5px/1 var(--font-ui);
  transition: background 160ms var(--ease-soft), transform 120ms var(--ease-soft);
}
@media (hover: hover) { .kl-clara-chip:hover { background: var(--klaines-burgundy-100); } }

.kl-typing span {
  display: inline-block; width: 7px; height: 7px; margin: 0 2px; border-radius: 999px;
  background: var(--text-muted); opacity: 0.5;
}
@media (prefers-reduced-motion: no-preference) {
  .kl-typing span { animation: klTyping 1.2s infinite ease-in-out; }
  .kl-typing span:nth-child(2) { animation-delay: 0.16s; }
  .kl-typing span:nth-child(3) { animation-delay: 0.32s; }
}
@keyframes klTyping {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-5px); opacity: 1; }
}

@media (max-width: 560px) {
  .kl-clara-backdrop { display: block; }
  /* Hide the floating launcher while the bottom-sheet is open so its X does
     not sit on top of the input's send button (use the header × to close). */
  .kl-clara-launch.is-open { display: none; }
  .kl-clara-panel {
    right: 0; left: 0; bottom: 0; width: 100%;
    height: 86vh; max-height: 86vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transform: translateY(100%); transform-origin: bottom center;
  }
  .kl-clara-panel[data-open="1"] { transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .kl-clara-panel { transition: opacity 200ms; transform: none; }
}

@keyframes klPinShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

/* ── Social proof ───────────────────────────────────────── */
.kl-grid-testimonials {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px;
}
.kl-grid-chats {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 20px;
  max-width: 860px; width: 100%; margin-left: auto; margin-right: auto;
}
@media (max-width: 980px) {
  .kl-grid-testimonials { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kl-trust-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 24px 18px !important; }
}
@media (max-width: 620px) {
  .kl-grid-testimonials { grid-template-columns: 1fr; }
  .kl-grid-chats { grid-template-columns: 1fr; }
}

/* ── MoodQuiz result product grid ──────────────────────── */
.kl-quiz-results-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
}
@media (max-width: 540px) {
  .kl-quiz-results-grid { grid-template-columns: 1fr; }
}
@media (min-width: 541px) and (max-width: 720px) {
  .kl-quiz-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ── Footer logo link — remove underline / color on hover ─ */
.kl-footer a:focus-visible { outline: 2px solid rgba(253,248,242,0.6); outline-offset: 3px; border-radius: 4px; }

/* ── History page ───────────────────────────────────────── */
.kl-grid-videos {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px;
  width: 100%; max-width: 1080px;
}
@media (max-width: 900px) {
  .kl-grid-videos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kl-history-founder { grid-template-columns: 1fr !important; gap: 32px !important; }
}
@media (max-width: 560px) {
  .kl-grid-videos { grid-template-columns: 1fr; }
}

/* ── MeetClara home strip ───────────────────────────────── */
@media (max-width: 820px) {
  .kl-meetclara { grid-template-columns: 1fr !important; gap: 28px !important; }
}