:root {
  --washi: #e6e9eb;
  --ink: #14233a;
  --indigo: #1e3a5f;
  --indigo-deep: #0f1c2e;
  --steam: #9a4e3c;
  --glacier: #3a6b78;
  --ceramic: #f7f8f9;
  --mist: #c5ced4;
  --font-display: "Young Serif", Georgia, serif;
  --font-body: "Public Sans", "Helvetica Neue", sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 4.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--washi);
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--indigo);
  color: var(--ceramic);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.buy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 2px;
  transition: background-color 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.buy:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.buy--header {
  padding: 0.65rem 1.1rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--ink) 28%, transparent);
}

.buy--header:hover {
  background: var(--ink);
  color: var(--ceramic);
}

.buy--primary {
  padding: 1.05rem 2.25rem;
  background: var(--indigo);
  color: var(--ceramic);
}

.buy--primary:hover {
  background: var(--indigo-deep);
  transform: translateY(-1px);
}

.buy--xl {
  padding: 1.2rem 2.75rem;
  font-size: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--washi) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 1.65rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* Hero — full-bleed product plane */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  min-height: calc(100svh - var(--header-h));
  align-items: stretch;
  overflow: hidden;
  background: var(--ceramic);
}

.hero__copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2.5rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4.5rem) clamp(2.5rem, 7vw, 5rem);
  max-width: 40rem;
  color: var(--ink);
}

.hero__brand {
  margin: 0 0 1rem;
  padding-top: 0.12em;
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--indigo);
  text-shadow: 0 1px 0 color-mix(in srgb, var(--ceramic) 55%, transparent);
}

.hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.8vw, 2.85rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

.hero__lede {
  margin: 0 0 2rem;
  max-width: 36ch;
  color: color-mix(in srgb, var(--ink) 82%, var(--washi));
}

.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.hero__price {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--ink) 65%, var(--washi));
}

.hero__msrp {
  text-decoration: line-through;
}

.hero__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--ceramic);
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 72%;
  transform: scale(1.22);
  animation: hero-settle 1.5s var(--ease-out) both;
}

.hero__wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(
      105deg,
      color-mix(in srgb, var(--washi) 94%, transparent) 0%,
      color-mix(in srgb, var(--washi) 78%, transparent) 34%,
      color-mix(in srgb, var(--washi) 18%, transparent) 58%,
      transparent 78%
    ),
    linear-gradient(0deg, color-mix(in srgb, var(--washi) 55%, transparent) 0%, transparent 38%);
}

@keyframes hero-settle {
  from {
    opacity: 0.55;
    transform: scale(1.28);
  }
  to {
    opacity: 1;
    transform: scale(1.22);
  }
}

/* Twin streams */
.streams {
  display: grid;
  grid-template-columns: 1fr 2px 1fr;
  min-height: 70svh;
}

.stream {
  padding: clamp(3rem, 8vw, 6.5rem) clamp(1.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--ceramic);
}

.stream--hot {
  background: linear-gradient(165deg, #b56752 0%, var(--steam) 48%, #6e3428 100%);
}

.stream--cold {
  background: linear-gradient(195deg, #4f8794 0%, var(--glacier) 50%, #244850 100%);
}

.stream__seam {
  background: var(--washi);
}

.stream__label {
  margin: 0 0 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.85;
}

.stream__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.05;
  max-width: 10ch;
}

.stream__text {
  margin: 0;
  max-width: 32ch;
  opacity: 0.92;
  font-size: 1rem;
}

/* Merge — filtration */
.merge {
  padding: clamp(4rem, 10vw, 8rem) clamp(1.5rem, 5vw, 4.5rem);
  background: var(--ceramic);
}

.merge__intro {
  max-width: 36rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.merge__intro h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.merge__intro p {
  margin: 0;
  max-width: 48ch;
  color: color-mix(in srgb, var(--ink) 78%, var(--ceramic));
}

.stages {
  list-style: none;
  margin: 0 0 clamp(2.5rem, 6vw, 4rem);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
}

.stage__n {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--glacier);
}

.stage__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 400;
}

.stage__text {
  margin: 0;
  font-size: 0.95rem;
  max-width: 28ch;
  color: color-mix(in srgb, var(--ink) 72%, var(--ceramic));
}

.merge__figure {
  margin: 0;
}

.merge__figure img {
  width: 100%;
  max-height: 70vh;
  object-fit: cover;
  object-position: center;
  background: var(--washi);
}

.merge__figure figcaption {
  margin-top: 0.85rem;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--ink) 55%, var(--ceramic));
}

/* Ritual */
.ritual {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  background: var(--indigo-deep);
  color: var(--ceramic);
}

.ritual__media {
  overflow: hidden;
  min-height: 24rem;
}

.ritual__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

.ritual__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4rem);
}

.ritual__copy h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.05;
}

.ritual__copy > p {
  margin: 0 0 1.75rem;
  max-width: 36ch;
  color: color-mix(in srgb, var(--ceramic) 82%, var(--indigo));
}

.ritual__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 34ch;
}

.ritual__list li {
  padding-left: 1.1rem;
  border-left: 2px solid var(--glacier);
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--ceramic) 88%, var(--indigo));
}

/* Place */
.place {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  min-height: 70svh;
  background: var(--washi);
}

.place__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1.5rem;
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1.5rem, 5vw, 4rem);
}

.place__copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.08;
  max-width: 12ch;
}

.place__copy p {
  margin: 0;
  max-width: 34ch;
  color: color-mix(in srgb, var(--ink) 75%, var(--washi));
}

.place__media {
  overflow: hidden;
  min-height: 22rem;
}

.place__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

/* Close */
.close {
  padding: clamp(5.5rem, 12vw, 9rem) clamp(1.5rem, 5vw, 4.5rem);
  text-align: center;
  background: var(--indigo);
  color: var(--ceramic);
  overflow: visible;
}

.close__brand {
  margin: 0 0 0.75rem;
  padding-top: 0.15em;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  overflow: visible;
}

.close h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

.close__sku {
  margin: 0 0 1.75rem;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.65;
}

.close__price {
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: center;
}

.close__price strong {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  padding-top: 0.08em;
}

.close__price span {
  font-size: 0.875rem;
  opacity: 0.7;
}

.close .buy--primary {
  background: var(--ceramic);
  color: var(--indigo-deep);
}

.close .buy--primary:hover {
  background: var(--washi);
  transform: translateY(-1px);
}

.close__note {
  margin: 1.5rem auto 0;
  max-width: 36ch;
  font-size: 0.8125rem;
  opacity: 0.65;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.75rem clamp(1.5rem, 5vw, 4.5rem);
  background: var(--indigo-deep);
  color: color-mix(in srgb, var(--ceramic) 70%, var(--indigo));
  font-size: 0.8125rem;
}

.site-footer a {
  color: var(--ceramic);
  text-underline-offset: 3px;
}

.site-footer p {
  margin: 0;
  max-width: 52ch;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero__img,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: calc(100svh - var(--header-h));
  }

  .hero__img {
    object-position: 72% 12%;
  }

  .hero__wash {
    background:
      linear-gradient(
        180deg,
        color-mix(in srgb, var(--washi) 35%, transparent) 0%,
        color-mix(in srgb, var(--washi) 20%, transparent) 40%,
        color-mix(in srgb, var(--washi) 92%, transparent) 78%,
        var(--washi) 100%
      );
  }

  .hero__brand {
    font-size: clamp(3.25rem, 16vw, 4.75rem);
  }

  .streams {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .stream__seam {
    display: none;
  }

  .stream {
    min-height: 42svh;
  }

  .stages {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .ritual,
  .place {
    grid-template-columns: 1fr;
  }

  .ritual__media,
  .place__media {
    min-height: 50svh;
  }

  .place__copy {
    order: 1;
  }
}