:root {
  color-scheme: dark;
  --ink: #fff7df;
  --muted: rgba(255, 247, 223, 0.72);
  --soft: rgba(255, 247, 223, 0.12);
  --gold: #f7c44a;
  --marigold: #ffdb5c;
  --teal: #1fb7a6;
  --pink: #d94886;
  --dark: #070807;
  --deep: #0c1711;
  --shadow: rgba(0, 0, 0, 0.58);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--dark);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

.scroll-hero {
  height: 270vh;
  min-height: 1600px;
  background: var(--dark);
}

.sticky-scene {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 78% 46%, rgba(247, 196, 74, 0.22), transparent 28rem),
    linear-gradient(90deg, #050605 0%, #0b120f 45%, #172117 100%);
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0.96;
  filter: saturate(1.06) contrast(1.04);
}

.hold-poster {
  position: absolute;
  inset: 0;
  z-index: -3;
  opacity: 0;
  transition: opacity 180ms ease;
  pointer-events: none;
}

.hold-poster img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(1.06) contrast(1.04);
}

.sticky-scene.is-holding .hero-video {
  opacity: 0;
}

.sticky-scene.is-holding .hold-poster {
  opacity: 0.96;
}

.shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shade-left {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.55) 24%, transparent 62%),
    radial-gradient(circle at 16% 45%, rgba(0, 0, 0, 0.56), transparent 34rem);
}

.shade-bottom {
  z-index: -1;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.64), transparent 42%);
}

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(18px, 3vw, 34px) clamp(18px, 5vw, 72px);
  color: rgba(255, 247, 223, 0.9);
}

.brand {
  font-size: clamp(0.82rem, 1vw, 0.98rem);
  font-weight: 900;
  letter-spacing: 0.12em;
}

.toplink {
  display: inline-grid;
  place-items: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255, 247, 223, 0.2);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.26);
  color: rgba(255, 247, 223, 0.82);
  font-weight: 800;
  backdrop-filter: blur(14px);
}

.toplinks {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-copy {
  position: absolute;
  left: clamp(18px, 5vw, 78px);
  bottom: clamp(46px, 12vh, 118px);
  width: min(620px, calc(100% - 36px));
  max-width: 47rem;
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition:
    opacity 360ms ease,
    transform 360ms ease;
}

.hero-copy.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--marigold);
  font-size: clamp(0.78rem, 1vw, 0.95rem);
  font-weight: 950;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  max-width: 13ch;
  font-weight: 1000;
  line-height: 0.92;
  letter-spacing: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.6rem, 11vw, 9.8rem);
  text-shadow: 0 22px 56px rgba(0, 0, 0, 0.52);
}

h2 {
  font-size: clamp(2.45rem, 7vw, 5.8rem);
}

.lede {
  width: min(34rem, 100%);
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.55vw, 1.35rem);
  font-weight: 650;
  line-height: 1.38;
  text-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  margin-top: 28px;
  padding: 0 26px;
  border: 0;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 950;
  line-height: 1;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.cta:hover {
  transform: translateY(-2px);
}

.primary-cta {
  color: #151009;
  background:
    linear-gradient(135deg, var(--marigold), var(--gold) 58%, #ff9c46),
    var(--gold);
  box-shadow: 0 18px 42px rgba(247, 196, 74, 0.26);
}

.secondary-cta {
  color: #0a0b08;
  background: var(--ink);
  box-shadow: 0 18px 42px rgba(255, 247, 223, 0.12);
}

.scroll-hint {
  position: absolute;
  right: clamp(20px, 4vw, 62px);
  bottom: clamp(22px, 4vh, 44px);
  width: 32px;
  height: 52px;
  border: 1px solid rgba(255, 247, 223, 0.36);
  border-radius: 999px;
  opacity: 0.7;
  transition: opacity 240ms ease;
}

.scroll-hint.is-hidden {
  opacity: 0;
}

.scroll-hint span {
  position: absolute;
  top: 9px;
  left: 50%;
  width: 4px;
  height: 9px;
  border-radius: 999px;
  background: var(--ink);
  transform: translateX(-50%);
  animation: scroll-dot 1.5s ease-in-out infinite;
}

@keyframes scroll-dot {
  0%,
  100% {
    opacity: 0.25;
    transform: translate(-50%, 0);
  }

  45% {
    opacity: 1;
    transform: translate(-50%, 16px);
  }
}

.product-band {
  min-height: 70vh;
  padding: clamp(56px, 9vw, 112px) clamp(18px, 5vw, 72px);
  background:
    radial-gradient(circle at 78% 20%, rgba(31, 183, 166, 0.2), transparent 34rem),
    radial-gradient(circle at 12% 78%, rgba(217, 72, 134, 0.18), transparent 28rem),
    linear-gradient(135deg, #0a100c, #151b10 46%, #090b09);
}

.product-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
  max-width: 1180px;
  min-height: 48vh;
  margin: 0 auto;
}

.product-inner p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  font-weight: 620;
  line-height: 1.48;
}

.info-section {
  padding: clamp(64px, 9vw, 124px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(180deg, #090b09 0%, #0d1712 42%, #07100d 100%);
}

.info-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-heading {
  max-width: 820px;
  margin-bottom: clamp(32px, 5vw, 62px);
}

.section-heading.compact {
  margin-bottom: 24px;
}

.info-section h2 {
  max-width: 18ch;
  font-size: clamp(2.4rem, 6vw, 5.25rem);
  line-height: 0.96;
}

.section-heading p:not(.eyebrow) {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.45vw, 1.24rem);
  font-weight: 560;
  line-height: 1.62;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.info-card,
.copy-panel,
.profile-panel,
.sources-panel,
.faq-list details {
  border: 1px solid rgba(255, 247, 223, 0.13);
  background: rgba(255, 247, 223, 0.055);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

.info-card {
  min-height: 260px;
  padding: 22px;
  border-radius: 8px;
}

.info-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 34px;
  border: 1px solid rgba(247, 196, 74, 0.32);
  border-radius: 50%;
  color: var(--marigold);
  font-size: 0.78rem;
  font-weight: 950;
}

.info-card h3,
.copy-panel h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.2rem, 1.7vw, 1.55rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.info-card p,
.copy-panel p,
.faq-list p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 530;
  line-height: 1.58;
}

.profile-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(20rem, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  margin-top: 16px;
  padding: clamp(26px, 4vw, 48px);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(31, 183, 166, 0.1), rgba(247, 196, 74, 0.06)),
    rgba(255, 247, 223, 0.055);
}

.profile-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
}

.profile-list div {
  display: grid;
  grid-template-columns: minmax(9rem, 0.45fr) minmax(0, 0.55fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 247, 223, 0.12);
}

.profile-list div:first-child {
  padding-top: 0;
}

.profile-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.profile-list dt {
  color: rgba(255, 247, 223, 0.64);
  font-size: 0.9rem;
  font-weight: 850;
}

.profile-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 720;
  line-height: 1.4;
}

.content-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.copy-panel {
  min-height: 330px;
  padding: clamp(24px, 3vw, 38px);
  border-radius: 8px;
}

.safety-panel {
  background:
    linear-gradient(135deg, rgba(217, 72, 134, 0.09), rgba(255, 247, 223, 0.045)),
    rgba(255, 247, 223, 0.055);
}

.safety-list {
  display: grid;
  gap: 13px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.safety-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 540;
  line-height: 1.52;
}

.safety-list li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.faq-section {
  margin-top: clamp(48px, 7vw, 86px);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border-radius: 8px;
  overflow: hidden;
}

.faq-list summary {
  min-height: 64px;
  padding: 20px 24px;
  color: var(--ink);
  font-size: clamp(1.02rem, 1.35vw, 1.18rem);
  font-weight: 900;
  line-height: 1.2;
  cursor: pointer;
}

.faq-list details[open] summary {
  color: var(--marigold);
}

.faq-list p {
  max-width: 830px;
  margin: 0;
  padding: 0 24px 22px;
}

.sources-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(18rem, 1fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: start;
  margin-top: 16px;
  padding: clamp(26px, 4vw, 46px);
  border-radius: 8px;
}

.source-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list a {
  color: rgba(255, 247, 223, 0.84);
  font-size: 1rem;
  font-weight: 720;
  line-height: 1.42;
  text-decoration: underline;
  text-decoration-color: rgba(31, 183, 166, 0.54);
  text-underline-offset: 4px;
}

.source-list a:hover {
  color: var(--ink);
  text-decoration-color: var(--marigold);
}

.tertiary-cta {
  grid-column: 2;
  justify-self: start;
  margin-top: 2px;
  color: #0a0b08;
  background:
    linear-gradient(135deg, var(--marigold), var(--gold) 58%, #ff9c46),
    var(--gold);
  box-shadow: 0 18px 42px rgba(247, 196, 74, 0.18);
}

@media (max-width: 760px) {
  .scroll-hero {
    height: 265vh;
    min-height: 1550px;
  }

  .sticky-scene {
    min-height: 620px;
  }

  .hero-video {
    object-position: center center;
  }

  .shade-left {
    background:
      linear-gradient(0deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.62) 34%, transparent 68%),
      linear-gradient(90deg, rgba(0, 0, 0, 0.38), transparent 72%);
  }

  .topbar {
    align-items: flex-start;
    padding: 18px;
  }

  .brand {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
  }

  .toplinks {
    gap: 7px;
  }

  .toplink {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.86rem;
  }

  .hero-copy {
    left: 18px;
    right: 18px;
    bottom: 34px;
    width: auto;
  }

  h1 {
    max-width: 10ch;
    font-size: clamp(2.9rem, 15.4vw, 4.25rem);
  }

  .lede {
    max-width: 23rem;
    margin-top: 18px;
  }

  .cta {
    width: min(100%, 21rem);
    min-height: 54px;
    padding: 0 18px;
  }

  .scroll-hint {
    display: none;
  }

  .product-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .info-section {
    padding: 58px 18px 72px;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .info-section h2 {
    max-width: 11ch;
    font-size: clamp(2.25rem, 11vw, 3.6rem);
  }

  .info-grid,
  .profile-panel,
  .content-split,
  .sources-panel {
    grid-template-columns: 1fr;
  }

  .info-card {
    min-height: 0;
  }

  .info-card span {
    margin-bottom: 22px;
  }

  .profile-list div {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .copy-panel {
    min-height: 0;
  }

  .faq-list summary {
    padding: 18px;
  }

  .faq-list p {
    padding: 0 18px 20px;
  }

  .tertiary-cta {
    grid-column: auto;
  }
}

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

  .scroll-hero {
    height: 100svh;
    min-height: 620px;
  }

  .hero-video {
    display: none;
  }

  .sticky-scene {
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.18)),
      url("assets/chilcuague-end-poster.jpg") center / cover no-repeat;
  }

  .hero-copy {
    opacity: 1;
    transform: none;
  }

  .scroll-hint {
    display: none;
  }
}