/* ================================================================
   ALORAKAI — brand.css
   Glassmorphism + soft skeuomorphism layer.
   Load AFTER design-system.css.
   ================================================================ */

/* ----------------------------------------------------------------
   1. Page grain overlay
   ---------------------------------------------------------------- */
body.page-grain::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.024  0 0 0 0 0.086  0 0 0 0 0.224  0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
  opacity: 0.55;
}

@media (prefers-reduced-motion: reduce) {
  body.page-grain::before { display: none; }
}

/* ----------------------------------------------------------------
   2. Glass utilities
   ---------------------------------------------------------------- */
.glass-light {
  background: var(--glass-light);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  border: 1px solid var(--glass-border-light);
  box-shadow: var(--shadow-glass);
}

.glass-dark {
  background: var(--glass-dark);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  border: 1px solid var(--glass-border-dark);
  box-shadow: var(--shadow-glass);
  color: var(--kai-sand-light);
}

/* ----------------------------------------------------------------
   3. Typography helpers
   ---------------------------------------------------------------- */
.kai-display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 7.5rem);
  line-height: 1.05;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.kai-h1 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--kai-midnight);
}

.kai-h2 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--kai-midnight);
}

.kai-h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--kai-midnight);
}

.kai-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: var(--tracking-xwide);
  text-transform: uppercase;
  color: var(--fg-3);
}

.kai-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
  flex-shrink: 0;
}

.kai-lead {
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--fg-2);
}

.kai-body {
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
}

.kai-meta {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.kai-price {
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--kai-midnight);
}

.kai-wordmark {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: var(--tracking-xwide);
  text-transform: uppercase;
}

/* ----------------------------------------------------------------
   4. Float keyframe
   ---------------------------------------------------------------- */
@keyframes kai-float {
  0%, 100% { transform: translateY(-8px) rotate(-1deg); }
  50%       { transform: translateY(8px)  rotate(1.2deg); }
}

.kai-float {
  animation: kai-float 5.5s var(--ease-in-out-soft) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .kai-float { animation: none; }
}

/* ----------------------------------------------------------------
   5. Navigation
   ---------------------------------------------------------------- */
.kai-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 18px 20px;
  transition: padding var(--dur-base) var(--ease-out-quart);
  pointer-events: none;
}

.kai-nav.navbar-scrolled {
  padding: 10px 20px;
}

.kai-nav__inner {
  pointer-events: auto;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--glass-light);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  border: 1px solid var(--glass-border-light);
  box-shadow: var(--shadow-glass);
}

.kai-nav__logo img {
  height: 44px;
  width: 44px;
  display: block;
  border-radius: 50%;
}

.kai-nav__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.kai-nav__link {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kai-midnight);
  transition: color var(--dur-fast) var(--ease-out-quart);
  position: relative;
}

.kai-nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--kai-tide);
  transition: width var(--dur-base) var(--ease-out-quart);
}

.kai-nav__link:hover,
.kai-nav__link.active {
  color: var(--kai-tide);
}

.kai-nav__link:hover::after,
.kai-nav__link.active::after {
  width: 100%;
}

.kai-nav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
}

.kai-nav__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border-light);
  background: var(--glass-light);
  color: var(--kai-midnight);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out-quart),
              color var(--dur-fast) var(--ease-out-quart);
}

.kai-nav__icon-btn:hover {
  background: var(--kai-midnight);
  color: var(--kai-sand-light);
}

.kai-nav__bag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 0;
  background: var(--kai-midnight);
  color: var(--kai-sand-light);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: var(--shadow-sm), var(--shadow-inset-top);
  transition: filter var(--dur-fast) var(--ease-out-quart),
              transform var(--dur-fast) var(--ease-out-quart);
  cursor: pointer;
}

.kai-nav__bag:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

.kai-nav__toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-1);
  background: transparent;
  color: var(--kai-midnight);
  cursor: pointer;
  font-size: 1rem;
}

/* Search modal */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
}

.search-modal.hidden { display: none; }

.search-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 22, 57, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.search-modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  margin: 0 20px;
  background: var(--glass-light);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-xl);
  padding: 8px 8px 8px 22px;
  box-shadow: var(--shadow-glass);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-form {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 8px;
}

.search-input {
  flex: 1;
  border: 0;
  background: transparent;
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--kai-midnight);
  outline: none;
  padding: 8px 0;
}

.search-input::placeholder { color: var(--fg-3); }

.search-submit {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 0;
  background: var(--kai-midnight);
  color: var(--kai-sand-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.search-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-1);
  background: transparent;
  color: var(--kai-midnight);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Mobile nav */
@media (max-width: 900px) {
  .kai-nav__toggle { display: inline-flex; }

  .kai-nav__links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    background: var(--kai-sand-light);
    transform: translateX(100%);
    transition: transform var(--dur-base) var(--ease-out-quart);
    z-index: 300;
  }

  .kai-nav__links.open {
    transform: translateX(0);
  }

  .kai-nav__link {
    font-size: 1.25rem;
    padding: 8px 16px;
  }
}

/* ----------------------------------------------------------------
   6. Hero
   ---------------------------------------------------------------- */
.kai-hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding-bottom: 80px;
}

.kai-hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #fcf3df 0%, #f6e0ba 60%, #e3c39f 100%);
  transition: background var(--dur-hero) var(--ease-out-expo);
}

.kai-hero__sun {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(60% 50% at 80% 20%, rgba(255, 232, 200, 0.6), transparent 60%);
}

.kai-hero__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.kai-hero__eyebrow {
  position: absolute;
  top: 110px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 5;
  white-space: nowrap;
}

.kai-hero__outline-word {
  position: absolute;
  top: 44%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: none;
  width: 100%;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(6rem, 22vw, 20rem);
  line-height: 0.9;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px var(--kai-midnight);
  opacity: 0.24;
}

.kai-hero__garment-wrap {
  position: fixed;
  top: 44%;
  left: 50%;
  width: min(340px, 44vw);
  height: min(400px, 52vw);
  z-index: 4;
  pointer-events: none;
  transform: translate(-50%, -50%) translate3d(var(--mug-x, 0px), var(--mug-y, 0px), 0) rotate(var(--mug-rotate, -1deg)) scale(var(--mug-scale, 1));
  opacity: var(--mug-opacity, 1);
  transition:
    opacity var(--dur-base) var(--ease-out-quart),
    filter var(--dur-base) var(--ease-out-quart);
  will-change: transform, opacity;
}

.kai-hero__garment {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.kai-scroll-mug {
  filter: drop-shadow(0 28px 26px rgba(6, 22, 57, 0.22));
}

.kai-hero__copy {
  position: absolute;
  bottom: 64px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 6;
  padding: 0 28px;
}

.kai-hero__copy h1 {
  margin: 0;
  color: var(--kai-midnight);
}

.kai-hero__copy .kai-lead {
  margin: 14px auto 22px;
  max-width: 460px;
}

.kai-hero__scroll-cue {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.625rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--kai-midnight);
  opacity: 0.5;
  z-index: 6;
  background: none;
  border: none;
  cursor: default;
}

.kai-hero__scroll-cue span {
  width: 1px;
  height: 30px;
  background: currentColor;
  opacity: 0.5;
}

/* ----------------------------------------------------------------
   6b. Scrollytelling mug journey
   ---------------------------------------------------------------- */
.kai-scrolly {
  --scrolly-bg-a: #fcf3df;
  --scrolly-bg-b: #f6e0ba;
  --scrolly-fg: var(--kai-midnight);
  position: relative;
  min-height: 400vh;
  background:
    linear-gradient(90deg, rgba(6, 22, 57, 0.08) 1px, transparent 1px) 0 0 / 25vw 100%,
    radial-gradient(60% 35% at 75% 18%, rgba(221, 156, 84, 0.24), transparent 60%),
    linear-gradient(180deg, var(--scrolly-bg-a), var(--scrolly-bg-b));
  color: var(--scrolly-fg);
  overflow: clip;
}

.kai-scrolly__stage {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: block;
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 28px 72px;
}

.kai-scrolly__visual {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kai-scrolly__halo {
  width: min(560px, 76vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.12) 42%, transparent 68%),
    conic-gradient(from 180deg, rgba(34, 127, 148, 0.24), rgba(221, 156, 84, 0.28), rgba(6, 22, 57, 0.14), rgba(34, 127, 148, 0.24));
  filter: blur(1px);
  opacity: 0.92;
  transform: scale(var(--scrolly-halo-scale, 1));
}

.kai-scrolly__mug {
  position: absolute;
  width: min(360px, 42vw);
  height: auto;
  z-index: 2;
  pointer-events: none;
  filter: drop-shadow(0 34px 34px rgba(6, 22, 57, 0.24));
  backface-visibility: hidden;
  transform-origin: 50% 62%;
  will-change: transform, filter;
}

.kai-scrolly__copy {
  position: absolute;
  left: 28px;
  bottom: 64px;
  z-index: 3;
  max-width: 420px;
}

.kai-scrolly__counter {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: currentColor;
}

.kai-scrolly__counter span:nth-child(2) {
  width: 52px;
  height: 1px;
  background: currentColor;
  opacity: 0.45;
}

.kai-scrolly__copy .kai-eyebrow,
.kai-scrolly__copy .kai-h2,
.kai-scrolly__copy .kai-lead {
  color: currentColor;
}

.kai-scrolly__copy .kai-h2 {
  margin-top: 18px;
}

.kai-scrolly__copy .kai-lead {
  margin-top: 20px;
  opacity: 0.78;
}

.kai-scrolly__hud {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 18px;
  z-index: 5;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 18px;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: currentColor;
  text-transform: uppercase;
}

.kai-scrolly__hud span:nth-child(3) {
  justify-self: end;
  opacity: 0.68;
}

.kai-scrolly__progress {
  display: flex;
  gap: 10px;
  margin-top: 34px;
}

.kai-scrolly__progress span {
  width: 42px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: currentColor;
  opacity: 0.22;
  transition: opacity var(--dur-base) var(--ease-out-quart),
              width var(--dur-base) var(--ease-out-quart);
}

.kai-scrolly__progress span.active {
  width: 68px;
  opacity: 0.82;
}

.kai-scrolly__chapters {
  position: relative;
  z-index: 4;
  max-width: 1280px;
  margin: -100vh auto 0;
  padding: 0 28px 56vh;
  pointer-events: none;
}

.kai-scrolly__chapter {
  width: min(760px, 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.32;
  mix-blend-mode: multiply;
  transition: opacity var(--dur-base) var(--ease-out-quart),
              transform var(--dur-base) var(--ease-out-quart);
}

.kai-scrolly__chapter:nth-child(even) {
  margin-left: auto;
  text-align: right;
}

.kai-scrolly__chapter.active {
  opacity: 1;
  transform: translateY(-6px);
  mix-blend-mode: normal;
}

.kai-scrolly__term {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: currentColor;
  opacity: 0.72;
}

.kai-scrolly__chapter h3 {
  margin-top: 14px;
  font-family: var(--font-heading);
  font-size: clamp(3.25rem, 9vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: 0;
  color: currentColor;
}

.kai-scrolly__chapter p {
  margin-top: 22px;
  max-width: 410px;
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.7;
  color: currentColor;
  opacity: 0.78;
}

.kai-scrolly__chapter:nth-child(even) p {
  margin-left: auto;
}

/* ----------------------------------------------------------------
   7. Collection sections
   ---------------------------------------------------------------- */
.kai-collection {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 120px 28px;
  position: relative;
}

.kai-collection__inner {
  width: 100%;
  max-width: 1280px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.kai-collection:nth-child(even) .kai-collection__inner {
  direction: rtl;
}

.kai-collection:nth-child(even) .kai-collection__copy,
.kai-collection:nth-child(even) .parallax-card {
  direction: ltr;
}

.kai-collection__copy {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.kai-collection__copy .kai-eyebrow {
  margin-bottom: 18px;
}

.kai-collection__copy .kai-h2 {
  margin: 0;
}

.kai-collection__copy .kai-lead {
  margin-top: 24px;
  max-width: 460px;
}

.kai-collection__actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.kai-collection__meta-link {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: inherit;
  opacity: 0.7;
  text-decoration: none;
  transition: opacity var(--dur-fast) var(--ease-out-quart);
}

.kai-collection__meta-link:hover { opacity: 1; }

/* ----------------------------------------------------------------
   8. Parallax card
   ---------------------------------------------------------------- */
.parallax-card {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform-style: preserve-3d;
  transition: transform 80ms linear;
  will-change: transform;
  transform: perspective(900px) rotateY(var(--ry, 0deg)) rotateX(var(--rx, 0deg));
}

.parallax-card__bg {
  position: absolute;
  inset: 0;
}

.parallax-card__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 50% at 70% 25%, rgba(255, 232, 200, 0.35), transparent 60%);
  pointer-events: none;
}

.parallax-card__grain {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  pointer-events: none;
}

.parallax-card__inner {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  padding: 18px 20px;
  border-radius: 18px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  transform: translate3d(var(--tx, 0px), var(--ty, 0px), 0);
  transition: transform 80ms linear;
  background: var(--glass-light);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  border: 1px solid var(--glass-border-light);
  box-shadow: var(--shadow-glass);
}

.parallax-card__label {
  font-family: var(--font-heading);
  font-size: 0.625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.parallax-card__name {
  margin-top: 4px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.375rem;
  color: var(--fg-1);
}

.parallax-card__price {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.parallax-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--glass-light);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  font-family: var(--font-heading);
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-1);
}

/* ----------------------------------------------------------------
   9. Product grid
   ---------------------------------------------------------------- */
.kai-products {
  background: var(--kai-sand-light);
  padding: 100px 28px;
}

.kai-products__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 24px;
}

.kai-filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.kai-filter-tab {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-1);
  background: transparent;
  color: var(--fg-1);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out-quart),
              color var(--dur-fast) var(--ease-out-quart),
              border-color var(--dur-fast) var(--ease-out-quart);
}

.kai-filter-tab:hover,
.kai-filter-tab.active {
  background: var(--kai-midnight);
  color: var(--kai-sand-light);
  border-color: transparent;
}

.kai-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.kai-product-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease-out-quart),
              transform var(--dur-base) var(--ease-out-quart);
  cursor: pointer;
}

.kai-product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.kai-product-card__image-well {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.kai-product-card__image-bg {
  position: absolute;
  inset: 0;
  transition: transform var(--dur-slow) var(--ease-out-expo);
}

.kai-product-card:hover .kai-product-card__image-bg {
  transform: scale(1.04);
}

.kai-product-card__image-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 50% at 70% 25%, rgba(255, 232, 200, 0.3), transparent 60%);
  pointer-events: none;
}

.kai-product-card__image-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  opacity: 0.45;
}

.kai-product-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--glass-light);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  font-family: var(--font-heading);
  font-size: 0.5625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-1);
}

.kai-product-card__quick-wrap {
  position: absolute;
  right: 14px;
  bottom: 14px;
}

.kai-product-card__quick {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 0;
  background: var(--kai-midnight);
  color: var(--kai-sand-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-base) var(--ease-out-quart),
              transform var(--dur-base) var(--ease-out-quart);
  box-shadow: var(--shadow-md), var(--shadow-inset-top);
}

.kai-product-card:hover .kai-product-card__quick {
  opacity: 1;
  transform: translateY(0);
}

.kai-product-card__meta {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.kai-product-card__name {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.0625rem;
  color: var(--fg-1);
  margin: 0;
}

.kai-product-card__desc {
  margin-top: 3px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--fg-3);
}

.kai-product-card__price {
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ----------------------------------------------------------------
   10. Story section
   ---------------------------------------------------------------- */
.kai-story {
  background: var(--kai-midnight);
  color: var(--kai-sand-light);
  padding: 140px 28px;
  position: relative;
  overflow: hidden;
}

.kai-story::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(50% 50% at 80% 100%, rgba(246, 224, 186, 0.08), transparent 60%);
}

.kai-story__grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
}

.kai-story__image-card {
  aspect-ratio: 4 / 5;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(160deg, #0a1d4a 0%, #061639 50%, #1d2f5e 100%);
  box-shadow: var(--shadow-xl);
  position: relative;
}

.kai-story__copy .kai-eyebrow {
  color: var(--kai-sand-light);
  opacity: 0.7;
}

.kai-story__copy .kai-h2 {
  color: var(--kai-sand-light);
  margin-top: 20px;
}

.kai-story__copy .kai-lead {
  color: var(--kai-sand-light);
  opacity: 0.78;
  margin-top: 28px;
}

.kai-story__copy .kai-lead + .kai-lead {
  margin-top: 18px;
}

.kai-story__copy .btn-ghost-light {
  margin-top: 36px;
}

/* ----------------------------------------------------------------
   11. Newsletter
   ---------------------------------------------------------------- */
.kai-newsletter {
  background: var(--kai-sand);
  padding: 120px 28px;
  text-align: center;
}

.kai-newsletter .kai-eyebrow {
  margin-bottom: 16px;
}

.kai-newsletter .kai-h2 {
  margin: 0 auto;
  max-width: 720px;
}

.kai-newsletter .kai-lead {
  margin: 18px auto 0;
  max-width: 480px;
}

.kai-newsletter__form {
  margin: 36px auto 0;
  max-width: 460px;
  display: flex;
  gap: 8px;
  padding: 6px 6px 6px 22px;
  background: var(--bg-surface);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md), var(--shadow-inset-top);
  align-items: center;
}

.kai-newsletter__input {
  flex: 1;
  border: 0;
  outline: none;
  background: transparent;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  color: var(--fg-1);
  padding: 8px 0;
}

.kai-newsletter__input::placeholder { color: var(--fg-3); }

/* ----------------------------------------------------------------
   12. Footer
   ---------------------------------------------------------------- */
.kai-footer {
  background: var(--kai-midnight);
  color: var(--kai-sand-light);
  padding: 80px 28px 36px;
}

.kai-footer__grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 56px;
}

.kai-footer__brand img {
  display: block;
  height: 84px;
  width: 84px;
  border-radius: 50%;
  filter: brightness(1.05);
}

.kai-footer__brand .kai-wordmark {
  display: block;
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--kai-sand-light);
}

.kai-footer__tagline {
  margin-top: 12px;
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 0.875rem;
  line-height: 1.65;
  opacity: 0.7;
  max-width: 280px;
}

.kai-footer__social {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.kai-footer__section-head {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-xwide);
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 18px;
  color: var(--kai-sand-light);
}

.kai-footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.kai-footer__link {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--kai-sand-light);
  opacity: 0.85;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-quart),
              opacity var(--dur-fast) var(--ease-out-quart);
}

.kai-footer__link:hover {
  opacity: 1;
  color: var(--kai-amber);
}

.kai-footer__bottom {
  max-width: 1280px;
  margin: 64px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-on-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  opacity: 0.6;
  color: var(--kai-sand-light);
}

.kai-footer__legal {
  display: flex;
  gap: 24px;
}

.kai-footer__legal a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--dur-fast) var(--ease-out-quart);
}

.kai-footer__legal a:hover { opacity: 1; }

/* ----------------------------------------------------------------
   13. Auth cards
   ---------------------------------------------------------------- */
.kai-auth-section,
.auth-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 60px;
  background: var(--kai-sand-light);
}

.kai-auth-card {
  width: 100%;
  max-width: 460px;
  padding: 48px 40px;
  border-radius: var(--radius-2xl);
  background: var(--glass-light);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  border: 1px solid var(--glass-border-light);
  box-shadow: var(--shadow-glass);
}

.kai-auth-card__logo {
  display: block;
  margin: 0 auto 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
}

.kai-auth-card__title {
  text-align: center;
  margin-bottom: 8px;
}

.kai-auth-card__subtitle {
  text-align: center;
  margin-bottom: 32px;
}

/* ----------------------------------------------------------------
   15. Responsive
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .kai-scrolly__stage {
    padding-top: 108px;
  }

  .kai-scrolly__visual {
    min-height: 100vh;
  }

  .kai-scrolly__copy {
    left: 24px;
    right: 24px;
    max-width: 680px;
  }

  .kai-scrolly__chapters {
    margin-top: -96vh;
  }

  .kai-collection__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .kai-collection:nth-child(even) .kai-collection__inner {
    direction: ltr;
  }

  .kai-story__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .kai-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .kai-scrolly {
    min-height: 400vh;
  }

  .kai-scrolly__stage {
    padding: 104px 20px 54px;
  }

  .kai-scrolly__visual {
    min-height: 100vh;
  }

  .kai-scrolly__mug {
    width: min(260px, 70vw);
  }

  .kai-scrolly__copy {
    bottom: 36px;
  }

  .kai-scrolly__hud {
    left: 20px;
    right: 20px;
    gap: 10px;
    font-size: 0.64rem;
  }

  .kai-scrolly__chapters {
    padding: 0 20px 50vh;
  }

  .kai-scrolly__chapter,
  .kai-scrolly__chapter:nth-child(even) {
    width: 100%;
    min-height: 100vh;
    margin-left: 0;
    text-align: left;
  }

  .kai-scrolly__chapter h3 {
    font-size: clamp(2.8rem, 15vw, 5.5rem);
  }

  .kai-scrolly__chapter:nth-child(even) p {
    margin-left: 0;
  }

  .kai-product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
  }

  .kai-footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .kai-hero__outline-word {
    font-size: clamp(3.5rem, 20vw, 6rem);
  }

  .kai-collection {
    padding: 80px 20px;
    min-height: auto;
  }

  .kai-products {
    padding: 80px 20px;
  }

  .kai-newsletter {
    padding: 80px 20px;
  }

  .kai-story {
    padding: 80px 20px;
  }
}

@media (max-width: 480px) {
  .kai-auth-card {
    padding: 36px 24px;
  }
}

/* ----------------------------------------------------------------
   16a. Mobile nav open state
   ---------------------------------------------------------------- */
@media (max-width: 900px) {
  .kai-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--glass-light);
    backdrop-filter: blur(var(--blur-md)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
    border: 1px solid var(--glass-border-light);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    flex-direction: column;
    padding: 12px 0 16px;
    gap: 0;
  }

  .kai-nav__links.mobile-open {
    display: flex;
  }

  .kai-nav__links li { width: 100%; }

  .kai-nav__link {
    display: block;
    padding: 10px 24px;
  }

  .kai-nav__toggle { display: flex !important; }
}

@media (min-width: 901px) {
  .kai-nav__toggle { display: none !important; }
}

/* ----------------------------------------------------------------
   16b. Shared auth utilities
   ---------------------------------------------------------------- */
.auth-link-row {
  text-align: center;
  margin-top: var(--space-6);
  color: var(--color-gray);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
}

/* ----------------------------------------------------------------
   16. Cross-page utilities
   ---------------------------------------------------------------- */

/* Category gradient fills */
.kai-bg-drinkware  { background: linear-gradient(135deg, var(--kai-midnight), var(--kai-tide)); }
.kai-bg-apparel    { background: linear-gradient(135deg, var(--kai-midnight), var(--kai-amber)); }
.kai-bg-stationery { background: linear-gradient(135deg, var(--kai-tide-80), var(--kai-dune)); }

/* Colour utilities */
.c-tide     { color: var(--kai-tide); }
.c-midnight { color: var(--kai-midnight); }
.c-gray     { color: var(--color-gray); }
.c-amber    { color: var(--kai-amber); }
.c-dune     { color: var(--kai-dune); }
.c-sand     { color: var(--kai-sand); }

/* Eyebrow centring */
.kai-eyebrow--center { justify-content: center; }

/* Icon sizing */
.icon-11  { font-size: 11px; }
.icon-md  { font-size: 1.8rem; }
.icon-xl  { font-size: 3rem; }
.icon-2xl { font-size: 3.5rem; }
.icon-on-dark { color: var(--kai-sand-light); }

/* Ghost button extra-small */
.btn-xs { padding: 6px 14px; font-size: 0.75rem; }

/* First section below fixed navbar */
.section-page-start       { padding-top: 120px; }
.section-page-start-flush { padding-top: 120px; padding-bottom: 0; }

/* Full-viewport centred state (checkout success / cancel) */
.section-page-centered {
  padding-top: 120px;
  min-height: calc(100vh - 260px);
  display: grid;
  place-items: center;
}

/* Product card meta footer row */
.kai-product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-3);
  width: 100%;
}

/* Background utilities */
.bg-tonal    { background: var(--bg-tonal); }
.bg-midnight { background: var(--kai-midnight); }

/* Spacing extras */
.mt-2  { margin-top: var(--space-2); }
.mt-3  { margin-top: var(--space-3); }
.mt-4  { margin-top: var(--space-4); }
.mt-5  { margin-top: var(--space-5); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-3  { margin-bottom: var(--space-3); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-5  { margin-bottom: var(--space-5); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

/* ----------------------------------------------------------------
   17. Reduced motion
   ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .kai-float { animation: none; }

  .parallax-card {
    transform: none !important;
  }

  .parallax-card__inner {
    transform: none !important;
  }

  .kai-product-card:hover {
    transform: none;
  }

  .kai-product-card:hover .kai-product-card__image-bg {
    transform: none;
  }
}