:root {
  --ink: #20343d;
  --ink-deep: #16303a;
  --soft-ink: #61757e;
  --cyan: #22c8d2;
  --cyan-deep: #138f9d;
  --sky: #a9dceb;
  --ice: #f7fbfc;
  --mist: #e7f1f4;
  --snow: #ffffff;
  --line: rgba(57, 116, 126, 0.18);
  --line-soft: rgba(57, 116, 126, 0.1);
  --shell: min(1180px, calc(100vw - 96px));
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--snow);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

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

a:focus-visible,
button:focus-visible,
iframe:focus-visible {
  outline: 3px solid rgba(34, 200, 210, 0.48);
  outline-offset: 5px;
}

button { color: inherit; font: inherit; }

::selection {
  background: rgba(34, 200, 210, 0.28);
  color: var(--ink-deep);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  transform: translateY(-150%);
  background: var(--ink-deep);
  color: var(--snow);
  transition: transform 180ms ease;
}

.skip-link:focus { transform: translateY(0); }

.page-shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  padding: 0 max(48px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid transparent;
  transition: background 280ms ease, border-color 280ms ease, min-height 280ms ease, backdrop-filter 280ms ease;
}

.site-header.is-scrolled {
  min-height: 72px;
  border-color: var(--line-soft);
  background: rgba(247, 251, 252, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--ink-deep);
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.brand-mark {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 28px;
  flex: 0 0 auto;
}

.brand-mark::before {
  position: absolute;
  top: 1px;
  left: 3px;
  width: 2px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(var(--cyan), var(--cyan-deep));
  box-shadow: 0 0 15px rgba(34, 200, 210, 0.38);
  content: "";
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 29px;
  color: #47626c;
  font-size: 0.81rem;
  letter-spacing: 0.025em;
}

.site-nav a {
  position: relative;
  padding-block: 8px;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover { color: var(--cyan-deep); }
.site-nav a:hover::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px auto;
  background: var(--ink-deep);
  transition: transform 220ms ease;
}

.hero {
  position: relative;
  display: flex;
  min-height: 100svh;
  overflow: hidden;
  background: #eef7fa;
}

.hero-image,
.hero-wash,
.snow-dust {
  position: absolute;
  inset: 0;
}

.hero-image {
  background-image: url("assets/snowray-snowfield-v2.webp");
  background-position: center;
  background-size: cover;
  transform: scale(1.015);
  animation: hero-breathe 18s ease-in-out infinite alternate;
}

.hero-wash {
  background:
    linear-gradient(90deg, rgba(250, 253, 254, 0.98) 0%, rgba(250, 253, 254, 0.9) 34%, rgba(250, 253, 254, 0.48) 60%, rgba(250, 253, 254, 0.04) 83%),
    linear-gradient(0deg, rgba(247, 251, 252, 0.86) 0%, transparent 30%);
}

.snow-dust {
  opacity: 0.38;
  background-image:
    radial-gradient(circle at 13% 30%, rgba(255,255,255,.85) 0 1px, transparent 1.5px),
    radial-gradient(circle at 72% 18%, rgba(255,255,255,.72) 0 1px, transparent 1.5px),
    radial-gradient(circle at 88% 55%, rgba(255,255,255,.72) 0 1px, transparent 1.5px);
  background-size: 130px 130px, 190px 190px, 240px 240px;
  pointer-events: none;
}

@keyframes hero-breathe {
  from { transform: scale(1.015); }
  to { transform: scale(1.045); }
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  padding-block: 145px 125px;
}

.eyebrow,
.section-label,
.card-kicker,
.symbol-word {
  margin: 0;
  color: var(--cyan-deep);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow { margin-bottom: 28px; }

.hero h1 {
  max-width: 900px;
  margin: 0;
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(3.15rem, 6.1vw, 6.55rem);
  font-weight: 400;
  letter-spacing: -0.048em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  margin-top: 0.12em;
  color: var(--cyan-deep);
}

.hero-intro {
  max-width: 555px;
  margin: 31px 0 0;
  color: #526a74;
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 39px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 51px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
  color: var(--snow);
  box-shadow: 0 13px 30px rgba(18, 151, 165, 0.2);
}

.button-primary:hover { box-shadow: 0 18px 40px rgba(18, 151, 165, 0.27); }

.button-secondary {
  border-color: rgba(19, 143, 157, 0.34);
  background: rgba(255, 255, 255, 0.6);
  color: var(--cyan-deep);
}

.button-secondary:hover { background: var(--snow); border-color: var(--cyan-deep); }

.text-link {
  border-bottom: 1px solid rgba(19, 143, 157, 0.32);
  color: var(--cyan-deep);
  font-size: 0.84rem;
  font-weight: 650;
  line-height: 2;
  transition: border-color 180ms ease, color 180ms ease;
}

.text-link:hover { border-color: var(--ink-deep); color: var(--ink-deep); }

.hero-sigil {
  position: absolute;
  right: max(48px, calc((100vw - 1180px) / 2));
  bottom: 49px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
  color: #58717b;
}

.isa-line {
  display: block;
  width: 2px;
  height: 78px;
  border-radius: 999px;
  background: linear-gradient(transparent, var(--cyan) 20%, var(--cyan-deep) 80%, transparent);
  box-shadow: 0 0 20px rgba(34, 200, 210, 0.42);
}

.hero-sigil small {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.perspective {
  padding: 145px 0 125px;
  background: var(--snow);
}

.statement-grid {
  display: grid;
  grid-template-columns: .62fr 1.55fr .83fr;
  gap: 54px;
  align-items: start;
}

.statement-grid h2,
.reset-copy h2,
.section-heading h2,
.about-heading h2,
.closing h2 {
  margin: 0;
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(2.65rem, 4.8vw, 4.95rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.03;
  text-wrap: balance;
}

.statement-copy {
  margin: 9px 0 0;
  color: var(--soft-ink);
}

.brand-core {
  display: grid;
  grid-template-columns: .62fr 2.38fr;
  gap: 54px;
  margin-top: 72px;
  padding-top: 34px;
  border-top: 1px solid var(--line-soft);
}

.brand-core::before {
  color: var(--cyan-deep);
  content: "What we hold true";
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.brand-core p {
  max-width: 790px;
  margin: 0;
  color: #3d5660;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  letter-spacing: -.02em;
  line-height: 1.4;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 88px;
}

.principle {
  min-height: 410px;
  padding: 31px 28px 34px;
  border: 1px solid var(--line-soft);
  border-top-color: rgba(19, 143, 157, 0.38);
  background: linear-gradient(165deg, rgba(247,251,252,.25), rgba(231,241,244,.48));
}

.principle-isa { background: linear-gradient(165deg, rgba(255,255,255,.84), rgba(214,244,247,.58)); }

.symbol {
  display: grid;
  width: 92px;
  height: 92px;
  margin-bottom: 45px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.72);
  box-shadow: 0 15px 42px rgba(48, 132, 145, 0.08);
}

.symbol svg {
  width: 60px;
  height: 60px;
  overflow: visible;
  fill: none;
  stroke: var(--cyan-deep);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.symbol .soft-ring { stroke: rgba(19, 143, 157, 0.24); }
.symbol .strong-line { stroke: var(--cyan); stroke-width: 3; }
.symbol .detail-line { stroke-width: 1.3; }

.principle h3 {
  max-width: 300px;
  margin: 17px 0 0;
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2.4vw, 2.3rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.principle-copy {
  max-width: 300px;
  margin: 22px 0 0;
  color: var(--soft-ink);
  font-size: .96rem;
  line-height: 1.65;
}

.reset-section {
  padding: 145px 0;
  background:
    radial-gradient(circle at 78% 16%, rgba(255,255,255,.92), transparent 28%),
    linear-gradient(145deg, #fafdfe, var(--mist));
}

.reset-grid {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 80px;
  align-items: center;
}

.reset-copy {
  position: sticky;
  top: 125px;
  align-self: start;
  padding-top: 42px;
}

.reset-copy h2 { margin-top: 25px; }

.reset-copy > p:not(.section-label) {
  max-width: 390px;
  margin: 29px 0 36px;
  color: var(--soft-ink);
  font-size: 1.06rem;
}

.reset-frame-wrap {
  overflow: hidden;
  border: 1px solid rgba(60, 135, 147, .2);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 35px 90px rgba(75, 127, 137, .18), inset 0 1px 0 rgba(255,255,255,.95);
}

.frame-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line-soft);
  color: #789099;
  font-size: .64rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.frame-isa {
  width: 2px;
  height: 19px;
  border-radius: 999px;
  background: var(--cyan);
}

.reset-frame {
  display: block;
  width: 100%;
  height: 670px;
  border: 0;
  background: var(--ice);
}

.explorations {
  padding: 145px 0;
  background: var(--ice);
}

.section-heading {
  display: grid;
  grid-template-columns: .62fr 2.38fr;
  gap: 54px;
  align-items: start;
}

.exploration-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 76px;
}

.product-feature {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 1.04fr .96fr;
  min-height: 610px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.78);
}

.product-visual {
  min-height: 100%;
  overflow: hidden;
  background: #edf7fa;
}

.product-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fog-feature .product-visual img { object-fit: contain; }

.product-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(38px, 5vw, 72px);
}

.product-line,
.product-type {
  margin: 0;
  color: var(--cyan-deep);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.product-feature h3 {
  max-width: 560px;
  margin: 14px 0 20px;
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(2.35rem, 4.3vw, 4.7rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .98;
}

.product-feature .product-intro {
  max-width: 560px;
  margin: 0;
  color: var(--ink-deep);
  font-size: 1.08rem;
}

.product-feature .product-content > p:not(.product-line):not(.product-intro) {
  max-width: 520px;
  margin: 20px 0 0;
  color: var(--soft-ink);
}

.fog-feature {
  grid-template-columns: .92fr 1.08fr;
}

.mist-card {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid rgba(19,143,157,.2);
  border-radius: 18px;
  background: rgba(247,253,254,.88);
  box-shadow: 0 22px 54px rgba(61,127,138,.09);
}

.mist-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: 1.22rem;
}

.mist-card-heading i {
  width: 2px;
  height: 25px;
  background: var(--cyan);
}

.mist-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 22px;
  padding-block: 10px;
}

.fog-choice {
  min-width: 0;
  border-bottom: 1px solid rgba(126,174,182,.18);
}

.fog-choice summary {
  position: relative;
  display: grid;
  gap: 3px;
  margin: 0;
  padding: 16px 32px 16px 0;
  cursor: pointer;
  list-style: none;
}

.fog-choice summary::-webkit-details-marker { display: none; }
.fog-choice summary::after {
  content: '+';
  position: absolute;
  right: 2px;
  top: 18px;
  color: var(--cyan-deep);
  font-size: 22px;
  line-height: 1;
}
.fog-choice[open] summary::after { content: '−'; }
.fog-choice summary:focus-visible { outline: 2px solid var(--cyan-deep); outline-offset: 3px; }
.fog-choice summary:hover strong { color: var(--ink-deep); }
.fog-choice > img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  margin: 0 0 18px;
  border-radius: 10px;
  background: #f7fbfc;
}

.mist-list strong {
  color: var(--cyan-deep);
  font-size: 1rem;
  font-weight: 700;
}

.mist-list span,
.mist-how span {
  color: var(--soft-ink);
  font-size: .84rem;
  line-height: 1.45;
}

.mist-how {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-top: 14px;
}

.mist-how strong {
  color: var(--ink-deep);
  font-size: .82rem;
}

.mist-origin {
  margin: 16px 0 0;
  color: var(--cyan-deep);
  font-size: .72rem;
  letter-spacing: .04em;
}

.alignment-feature {
  background: linear-gradient(145deg, rgba(240,251,252,.88), rgba(255,255,255,.92));
}

.alignment-mark {
  display: grid;
  width: 58px;
  height: 58px;
  margin-bottom: 24px;
  place-items: center;
  border: 1px solid rgba(19,143,157,.18);
  border-radius: 50%;
  background: rgba(255,255,255,.78);
}

.alignment-mark span {
  width: 2px;
  height: 31px;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(34,200,210,.42);
}

.alignment-elements {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 34px;
}

.alignment-elements span {
  padding: 8px 13px;
  border: 1px solid rgba(19,143,157,.22);
  border-radius: 999px;
  color: var(--cyan-deep);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.exploration-card {
  position: relative;
  min-height: 445px;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.74);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

a.exploration-card:hover {
  border-color: rgba(19,143,157,.42);
  box-shadow: 0 24px 60px rgba(65,126,138,.12);
  transform: translateY(-5px);
}

.card-icon {
  display: grid;
  width: 76px;
  height: 76px;
  margin-bottom: 58px;
  place-items: center;
  border-radius: 18px;
  background: var(--snow);
  box-shadow: 0 13px 36px rgba(53,128,139,.1);
}

.card-icon svg {
  width: 43px;
  height: 43px;
  fill: none;
  stroke: var(--cyan-deep);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.exploration-card h3 {
  margin: 17px 0 15px;
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(1.85rem, 2.6vw, 2.65rem);
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: 1.05;
}

.exploration-card .product-type {
  margin-top: 0;
}

.exploration-card > p:not(.card-kicker) {
  max-width: 285px;
  margin: 0;
  color: var(--soft-ink);
}

.card-arrow {
  position: absolute;
  right: 27px;
  bottom: 24px;
  color: var(--cyan-deep);
  font-size: 1.15rem;
}

.collaboration-note {
  display: grid;
  grid-template-columns: minmax(150px, .7fr) 2.3fr;
  gap: 36px;
  align-items: start;
  margin-top: 30px;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}

.collaboration-note p {
  margin: 0;
}

.collaboration-note > p:last-child {
  max-width: 720px;
  color: var(--soft-ink);
}

.about {
  padding: 105px 0;
  background: var(--snow);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 120px;
}

.about-heading h2 { max-width: 620px; margin-top: 25px; }

.about-copy { padding-top: 39px; }

.about-copy p { margin: 0 0 27px; color: var(--soft-ink); }

.about-copy .lead {
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: clamp(1.52rem, 2.35vw, 2.17rem);
  letter-spacing: -.025em;
  line-height: 1.28;
}

.about-signature {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 49px;
  color: var(--cyan-deep);
}

.about-signature span {
  width: 2px;
  height: 58px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(34,200,210,.32);
}

.about-signature em {
  max-width: 270px;
  font-family: var(--serif);
  font-size: 1.12rem;
}

.closing {
  position: relative;
  overflow: hidden;
  padding: 155px 0;
  background: linear-gradient(150deg, #edf7f9, #d9edf2 60%, #fafdfe);
  text-align: center;
}

.closing-light {
  position: absolute;
  top: -570px;
  left: 50%;
  width: min(1000px, 120vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.96), rgba(255,255,255,.18) 48%, transparent 69%);
  transform: translateX(-50%);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.closing h2 { max-width: 820px; margin-top: 0; }

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 0;
}

.closing-email {
  margin-top: 22px;
  border-bottom: 1px solid transparent;
  color: #617b84;
  font-size: .78rem;
  transition: color 180ms ease, border-color 180ms ease;
}

.closing-email:hover { color: var(--cyan-deep); border-color: var(--cyan-deep); }

.site-footer {
  padding: 67px 0 42px;
  border-top: 1px solid var(--line-soft);
  background: var(--snow);
  color: #6c8189;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 30px;
  align-items: center;
}

.footer-brand { justify-self: start; }

.footer-grid > p {
  margin: 0;
  font-family: var(--serif);
  font-size: .96rem;
  font-style: italic;
}

.footer-links { display: flex; gap: 22px; font-size: .8rem; }
.footer-links a { transition: color 180ms ease; }
.footer-links a:hover { color: var(--cyan-deep); }

.copyright {
  grid-column: 1 / -1;
  padding-top: 34px;
  border-top: 1px solid var(--line-soft);
  color: #8ca0a7;
  font-family: var(--sans) !important;
  font-size: .69rem !important;
  font-style: normal !important;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 720ms cubic-bezier(.22,1,.36,1), transform 720ms cubic-bezier(.22,1,.36,1);
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 48px, 760px); }

  .site-header { min-height: 72px; padding-inline: 24px; }
  .menu-toggle { position: relative; z-index: 52; display: block; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 51;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 21px;
    padding: 90px 24px 50px;
    visibility: hidden;
    background: rgba(247, 251, 252, .98);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 220ms ease, transform 220ms ease, visibility 220ms;
  }

  .site-nav.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
  .site-nav > a { font-family: var(--serif); font-size: 2rem; }
  .hero h1 { max-width: 720px; }
  .hero-sigil { display: none; }

  .statement-grid,
  .section-heading,
  .about-grid { grid-template-columns: 1fr; gap: 28px; }

  .brand-core { grid-template-columns: 1fr; gap: 18px; }

  .statement-copy { max-width: 560px; }
  .reset-grid { grid-template-columns: 1fr; gap: 55px; }
  .reset-copy { position: static; max-width: 590px; padding-top: 0; }
  .principle-grid { gap: 14px; }
  .principle { min-height: 405px; padding-inline: 23px; }
  .exploration-grid { grid-template-columns: 1fr 1fr; }
  .product-feature,
  .fog-feature { grid-template-columns: 1fr; }
  .product-feature .product-visual { min-height: 480px; }
  .alignment-feature .product-content { order: 2; }
  .alignment-feature .product-visual { order: 1; }
  .about-grid { gap: 55px; }
  .about-copy { max-width: 650px; padding-top: 0; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 38px); }
  html { scroll-padding-top: 72px; }
  .brand { font-size: .77rem; letter-spacing: .075em; }
  .hero { min-height: max(760px, 100svh); }
  .hero-image { background-position: 58% center; }
  .hero-wash {
    background:
      linear-gradient(90deg, rgba(250,253,254,.98) 0%, rgba(250,253,254,.88) 58%, rgba(250,253,254,.32) 100%),
      linear-gradient(0deg, rgba(247,251,252,.88) 0%, transparent 36%);
  }
  .hero-content { padding-block: 125px 145px; }
  .eyebrow, .section-label, .card-kicker, .product-line, .product-type, .symbol-word { font-size: .67rem; }
  .hero h1 { font-size: clamp(2.85rem, 13.7vw, 4.25rem); line-height: .98; }
  .hero-intro { margin-top: 25px; font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 18px; margin-top: 31px; }
  .perspective,
  .reset-section,
  .explorations,
  .about,
  .closing { padding-block: 96px; }

  .statement-grid h2,
  .reset-copy h2,
  .section-heading h2,
  .about-heading h2,
  .closing h2 { font-size: clamp(2.35rem, 11.5vw, 3.55rem); }

  .principle-grid,
  .exploration-grid { grid-template-columns: 1fr; margin-top: 54px; }
  .principle { min-height: auto; }
  .product-feature { min-height: auto; }
  .product-feature .product-visual { min-height: 310px; }
  .product-content { padding: 31px 24px 35px; }
  .product-feature h3 { font-size: clamp(2.35rem, 12vw, 3.45rem); }
  .mist-card { margin-top: 27px; padding: 19px; border-radius: 15px; }
  .mist-list { grid-template-columns: 1fr; }
  .mist-how { grid-template-columns: 1fr; gap: 5px; }
  .symbol { margin-bottom: 35px; }
  .reset-frame { height: 590px; }
  .reset-frame-wrap { border-radius: 16px; }
  .exploration-card { min-height: 415px; padding: 24px; }
  .card-icon { margin-bottom: 44px; }
  .collaboration-note { grid-template-columns: 1fr; gap: 12px; }
  .about-grid { gap: 36px; }
  .about-copy .lead { font-size: 1.5rem; }
  .closing-actions { width: 100%; flex-direction: column; }
  .closing-actions .button { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer-links { flex-wrap: wrap; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}