:root {
  color-scheme: light;
  --ink-950: #071c28;
  --ink-900: #0c2937;
  --ink-800: #153d4c;
  --ink-700: #285667;
  --slate-600: #526c78;
  --slate-500: #5a727d;
  --line: #cbd9df;
  --line-strong: #9eb5bf;
  --paper: #ffffff;
  --wash: #f1f6f8;
  --wash-blue: #e8f4f8;
  --blue: #05a4e6;
  --blue-dark: #076c89;
  --indigo: #3c559d;
  --green: #2f8247;
  --green-soft: #e9f6ed;
  --safety: #f2b84b;
  --shadow-sm: 0 12px 30px rgb(7 28 40 / 8%);
  --shadow-lg: 0 30px 90px rgb(7 28 40 / 22%);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 36px;
  --shell: 1180px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--wash);
  color: var(--ink-950);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: var(--blue-dark); }
a:hover { color: var(--ink-950); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  transform: translateY(-180%);
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink-950);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
.shell { width: min(var(--shell), calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid rgb(203 217 223 / 75%);
  background: rgb(255 255 255 / 94%);
}
.site-header__inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; color: var(--ink-950); text-decoration: none; }
.brand img { width: 178px; height: auto; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
.site-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--ink-800);
  font-size: .91rem;
  font-weight: 750;
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { background: var(--wash-blue); color: var(--ink-950); }
.site-nav .nav-support { margin-left: 4px; background: var(--ink-950); color: var(--paper); }
.site-nav .nav-support:hover { background: var(--ink-800); color: var(--paper); }

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 8vw, 108px) 0 72px;
  background-color: var(--ink-950);
  background-image:
    linear-gradient(rgb(255 255 255 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 5%) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--paper);
}
.hero::before,
.hero::after { position: absolute; content: ""; pointer-events: none; }
.hero::before { inset: 0; background: radial-gradient(circle at 76% 40%, rgb(5 164 230 / 22%), transparent 34%); }
.hero::after {
  width: 180px;
  height: 1px;
  right: 5vw;
  bottom: 34px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 1px, transparent 1px 12px);
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(360px, .97fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
}
.hero__copy { max-width: 700px; }
.eyebrow,
.instrument-label {
  margin: 0 0 18px;
  color: var(--blue-dark);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .145em;
  line-height: 1.4;
  text-transform: uppercase;
}
.hero .eyebrow { color: #77d5f7; }
.hero h1,
.page-hero h1,
.policy-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.2rem);
  font-weight: 790;
  letter-spacing: -.065em;
  line-height: .96;
}
.hero .lead {
  max-width: 59ch;
  margin: 28px 0 0;
  color: #d7e8ee;
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
  line-height: 1.65;
}
.promise-line { display: flex; flex-wrap: wrap; gap: 9px; margin: 26px 0 0; padding: 0; list-style: none; }
.promise-line li {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 11px;
  border: 1px solid rgb(119 213 247 / 35%);
  border-radius: 999px;
  color: #eaf8fd;
  background: rgb(255 255 255 / 5%);
  font-size: .86rem;
  font-weight: 700;
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 32px; }
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid var(--blue);
  border-radius: 12px;
  background: var(--blue);
  color: #03202d;
  font-weight: 850;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.button:hover { transform: translateY(-2px); border-color: #7ed9fb; background: #7ed9fb; color: #03202d; }
.button--secondary { border-color: var(--line-strong); background: transparent; color: var(--ink-950); }
.button--secondary:hover { border-color: var(--blue-dark); background: var(--wash-blue); color: var(--ink-950); }
.hero .button--secondary { border-color: rgb(255 255 255 / 34%); color: var(--paper); }
.hero .button--secondary:hover { border-color: var(--paper); background: rgb(255 255 255 / 10%); color: var(--paper); }
.store-note { margin: 14px 0 0; color: #abc6d1; font-size: .88rem; }

.product-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(0, 1fr);
  align-items: end;
  gap: 18px;
  width: min(100%, 560px);
  min-width: 0;
  padding: 28px 32px 28px 0;
}
.product-stage__rule {
  position: absolute;
  top: 4%;
  right: 0;
  bottom: 4%;
  width: 36px;
  border-right: 1px solid rgb(119 213 247 / 38%);
  background: repeating-linear-gradient(0deg, transparent 0 15px, rgb(119 213 247 / 55%) 15px 16px);
}
.device {
  position: relative;
  margin: 0;
  padding: 5px;
  border: 3px solid #233d49;
  border-radius: 28px;
  background: #eef3f6;
  box-shadow: var(--shadow-lg);
}
.device img {
  width: 100%;
  height: auto;
  border-radius: 21px;
  object-fit: contain;
}
.device--primary { z-index: 3; grid-column: 2; grid-row: 1; width: min(100%, 320px); justify-self: end; }
.device--secondary { z-index: 2; grid-column: 1; grid-row: 1; width: min(100%, 230px); justify-self: end; }
.result-tag {
  position: relative;
  z-index: 5;
  grid-column: 1 / -1;
  grid-row: 2;
  justify-self: end;
  width: 210px;
  margin-top: -4px;
  padding: 15px 17px;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: var(--radius-sm);
  background: rgb(7 28 40 / 92%);
  box-shadow: var(--shadow-sm);
}
.result-tag strong,
.result-tag span { display: block; }
.result-tag strong { color: #79d9f9; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.result-tag span { margin-top: 3px; color: var(--paper); font-weight: 750; }

.trust-rail { border-bottom: 1px solid var(--line); background: var(--paper); }
.trust-rail__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.trust-point { min-height: 116px; padding: 25px 24px; border-left: 1px solid var(--line); }
.trust-point:last-child { border-right: 1px solid var(--line); }
.trust-point strong,
.trust-point span { display: block; }
.trust-point strong { color: var(--ink-950); font-size: 1.02rem; }
.trust-point span { margin-top: 4px; color: var(--slate-600); font-size: .88rem; line-height: 1.45; }

.section { padding: clamp(74px, 10vw, 132px) 0; }
.section--paper { border-block: 1px solid var(--line); background: var(--paper); }
.section--dark { background: var(--ink-950); color: var(--paper); }
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(300px, .65fr);
  gap: 48px;
  align-items: end;
  margin-bottom: clamp(38px, 6vw, 72px);
}
.section-heading h2,
.content-heading h2,
.support-cta h2 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.6rem);
  font-weight: 780;
  letter-spacing: -.055em;
  line-height: 1;
}
.section-heading p,
.content-heading p { margin: 0; color: var(--slate-600); font-size: 1.06rem; }
.section--dark .section-heading p,
.section--dark .content-heading p { color: #bfd1d8; }
.section--dark .section-heading .eyebrow,
.section--dark .content-heading .eyebrow { color: #8fdffb; }

.process-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(340px, 1.1fr);
  gap: clamp(42px, 8vw, 110px);
  align-items: center;
}
.process-steps { margin: 0; padding: 0; counter-reset: step; list-style: none; }
.process-steps li { position: relative; padding: 0 0 32px 64px; counter-increment: step; }
.process-steps li:not(:last-child)::after {
  position: absolute;
  top: 42px;
  bottom: 7px;
  left: 20px;
  width: 1px;
  background: var(--line-strong);
  content: "";
}
.process-steps li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper);
  color: var(--blue-dark);
  content: counter(step, decimal-leading-zero);
  font-size: .74rem;
  font-weight: 850;
}
.process-steps h3 { margin: 0 0 6px; font-size: 1.28rem; letter-spacing: -.025em; }
.process-steps p { margin: 0; color: var(--slate-600); }
.instrument-panel {
  position: relative;
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--wash-blue);
  box-shadow: var(--shadow-sm);
}
.instrument-panel::before {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 86px;
  height: 13px;
  background: repeating-linear-gradient(90deg, var(--blue-dark) 0 1px, transparent 1px 9px);
  content: "";
  opacity: .55;
}
.formula { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 26px 0; }
.formula__item { padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper); }
.formula__item span,
.formula__item strong { display: block; }
.formula__item span { color: var(--slate-600); font-size: .75rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.formula__item strong { margin-top: 5px; font-size: 1.14rem; }
.text-link { color: var(--blue-dark); font-weight: 800; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.section--dark .text-link { color: #8fdffb; }
.section--dark .text-link:hover { color: var(--paper); }

.story-cards { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.story-card {
  position: relative;
  min-height: 310px;
  overflow: hidden;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
}
.story-card:nth-child(1),
.story-card:nth-child(4) { grid-column: span 7; }
.story-card:nth-child(2),
.story-card:nth-child(3) { grid-column: span 5; }
.story-card__index { display: inline-block; margin-bottom: 54px; color: var(--blue-dark); font-size: .74rem; font-weight: 850; letter-spacing: .12em; }
.story-card h3 { max-width: 16ch; margin: 0 0 12px; font-size: clamp(1.55rem, 3vw, 2.45rem); letter-spacing: -.045em; line-height: 1.05; }
.story-card p { max-width: 45ch; margin: 0; color: var(--slate-600); }
.story-card--ink { border-color: var(--ink-950); background: var(--ink-950); color: var(--paper); }
.story-card--ink p { color: #bdd1d9; }
.story-card--ink .story-card__index { color: #75d4f6; }
.story-card--green { border-color: #b6d9c0; background: var(--green-soft); }
.micro-proof { display: inline-flex; margin-top: 24px; padding: 7px 10px; border-radius: 8px; background: rgb(5 164 230 / 10%); color: var(--blue-dark); font-size: .8rem; font-weight: 800; }
.story-card--ink .micro-proof { background: rgb(143 223 251 / 14%); color: #bcecff; }

.shot-showcase { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; align-items: start; }
.shot-card { margin: 0; }
.shot-card:nth-child(1) { grid-column: 1 / span 4; }
.shot-card:nth-child(2) { grid-column: 5 / span 4; margin-top: 72px; }
.shot-card:nth-child(3) { grid-column: 9 / span 4; margin-top: 18px; }
.shot-card:nth-child(4) { grid-column: 2 / span 4; margin-top: -12px; }
.shot-card:nth-child(5) { grid-column: 7 / span 4; margin-top: 38px; }
.shot-card__frame {
  position: relative;
  padding: 5px;
  border: 3px solid #1a323d;
  border-radius: 26px;
  background: #eef3f6;
  box-shadow: 0 24px 60px rgb(7 28 40 / 17%);
}
.shot-card img { width: 100%; height: auto; border-radius: 20px; object-fit: contain; }
.shot-card figcaption { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding: 14px 3px 0; color: var(--ink-800); font-size: .88rem; font-weight: 800; }
.shot-card figcaption span { color: var(--slate-500); font-size: .75rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }

.tier-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: hidden; border: 1px solid rgb(255 255 255 / 18%); border-radius: var(--radius-lg); }
.tier { padding: clamp(32px, 6vw, 70px); }
.tier + .tier { border-left: 1px solid rgb(255 255 255 / 18%); background: rgb(5 164 230 / 8%); }
.tier__label { display: inline-flex; padding: 6px 10px; border: 1px solid rgb(255 255 255 / 28%); border-radius: 999px; color: #8fdffb; font-size: .76rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.tier h3 { margin: 22px 0 10px; font-size: clamp(2rem, 4vw, 3.45rem); letter-spacing: -.05em; line-height: 1; }
.tier p { color: #c3d5dc; }
.check-list { margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; margin: 12px 0; padding-left: 28px; color: #eef8fb; }
.check-list li::before { position: absolute; top: .1em; left: 0; color: #77d5f7; content: "✓"; font-weight: 900; }

.safety-panel { display: grid; grid-template-columns: minmax(0, .9fr) minmax(340px, 1.1fr); overflow: hidden; border: 1px solid #d7b66c; border-radius: var(--radius-lg); background: #fffaf0; }
.safety-panel__intro,
.safety-panel__checks { padding: clamp(30px, 6vw, 68px); }
.safety-panel__intro { border-right: 1px solid #e5cf9f; background: var(--ink-950); color: var(--paper); }
.safety-panel__intro .instrument-label { color: #f1c76e; }
.safety-panel__intro h2 { margin: 0; font-size: clamp(2.35rem, 5vw, 4.3rem); letter-spacing: -.055em; line-height: 1; }
.safety-panel__intro p { color: #c7d8de; }
.safety-check { padding: 0 0 22px; }
.safety-check + .safety-check { padding-top: 22px; border-top: 1px solid #e5cf9f; }
.safety-check h3,
.safety-check p { margin: 0; }
.safety-check h3 { font-size: 1.1rem; }
.safety-check p { margin-top: 5px; color: var(--slate-600); }

.faq-list { max-width: 860px; margin: 0 auto; border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { position: relative; padding: 24px 52px 24px 0; cursor: pointer; font-size: 1.08rem; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 22px; right: 6px; color: var(--blue-dark); content: "+"; font-size: 1.7rem; font-weight: 450; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 68ch; margin: -4px 0 24px; color: var(--slate-600); }

.support-cta { position: relative; overflow: hidden; padding: clamp(34px, 7vw, 76px); border-radius: var(--radius-lg); background: var(--wash-blue); }
.support-cta::after { position: absolute; top: 0; right: 0; width: 28%; height: 100%; background: repeating-linear-gradient(135deg, transparent 0 17px, rgb(8 125 157 / 12%) 17px 18px); content: ""; }
.support-cta > * { position: relative; z-index: 1; }
.support-cta p { max-width: 60ch; color: var(--slate-600); }

.site-footer { padding: 64px 0 34px; background: var(--ink-950); color: #c1d3da; }
.site-footer__grid { display: grid; grid-template-columns: minmax(220px, 1.2fr) repeat(2, minmax(150px, .55fr)); gap: 50px; }
.site-footer .brand img { filter: brightness(0) invert(1); }
.site-footer h2 { margin: 0 0 12px; color: var(--paper); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.site-footer p { max-width: 42ch; margin: 16px 0 0; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 7px 0; }
.site-footer a { color: #d6e6ec; }
.site-footer__meta { display: flex; justify-content: space-between; gap: 24px; margin-top: 50px; padding-top: 24px; border-top: 1px solid rgb(255 255 255 / 15%); color: #93adb8; font-size: .86rem; }
.site-footer__meta p { margin: 0; }

/* Supporting product pages */
.page-hero,
.policy-hero { position: relative; overflow: hidden; padding: clamp(64px, 9vw, 118px) 0; border-bottom: 1px solid var(--line); background: var(--paper); }
.page-hero::after,
.policy-hero::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 36%;
  height: 100%;
  background-color: var(--wash-blue);
  background-image:
    linear-gradient(rgb(8 125 157 / 8%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(8 125 157 / 8%) 1px, transparent 1px);
  background-size: 36px 36px;
  content: "";
}
.page-hero__grid,
.policy-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .95fr) minmax(300px, .65fr); gap: clamp(38px, 7vw, 90px); align-items: center; }
.page-hero h1,
.policy-hero h1 { max-width: 14ch; font-size: clamp(2.9rem, 6vw, 5.7rem); }
.page-hero .lead,
.policy-hero .lead { max-width: 61ch; margin: 24px 0 0; color: var(--slate-600); font-size: 1.12rem; }
.page-hero__aside { padding: 28px; border: 1px solid var(--line-strong); border-radius: var(--radius-md); background: rgb(255 255 255 / 90%); box-shadow: var(--shadow-sm); }
.page-hero__aside strong,
.page-hero__aside span { display: block; }
.page-hero__aside strong { font-size: 1.2rem; }
.page-hero__aside span { margin-top: 7px; color: var(--slate-600); }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr); gap: clamp(44px, 8vw, 100px); align-items: start; }
.content-prose { max-width: 720px; }
.content-prose h2 { margin: 48px 0 12px; font-size: clamp(1.65rem, 3vw, 2.4rem); letter-spacing: -.04em; line-height: 1.1; }
.content-prose h2:first-child { margin-top: 0; }
.content-prose h3 { margin: 30px 0 8px; font-size: 1.18rem; }
.content-prose p,
.content-prose li { color: #385562; }
.content-prose ul,
.content-prose ol { padding-left: 24px; }
.content-prose li { margin: 8px 0; }
.equation { margin: 28px 0; padding: 28px; border-left: 5px solid var(--blue-dark); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--wash-blue); }
.equation code { display: block; overflow-wrap: anywhere; color: var(--ink-950); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: clamp(.95rem, 2vw, 1.18rem); font-weight: 750; }
.aside-shot { position: sticky; top: 28px; margin: 0; }
.aside-shot .shot-card__frame { height: auto; }
.aside-note { margin-top: 22px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper); color: var(--slate-600); font-size: .92rem; }

/* Policy and support pages */
.policy-hero { padding-block: clamp(52px, 7vw, 86px); }
.policy-hero h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); }
.policy-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.policy-meta span { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--slate-600); font-size: .78rem; font-weight: 750; }
.policy-layout { display: grid; grid-template-columns: 230px minmax(0, 760px); gap: clamp(42px, 7vw, 92px); justify-content: center; align-items: start; }
.policy-nav { position: sticky; top: 28px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper); }
.policy-nav strong { display: block; margin-bottom: 10px; color: var(--ink-950); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.policy-nav a { display: block; padding: 7px 0; color: var(--slate-600); font-size: .9rem; font-weight: 700; line-height: 1.35; text-decoration: none; }
.policy-nav a:hover { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }
.policy-content { min-width: 0; }
.policy-content > section { padding: 0 0 38px; }
.policy-content > section + section { padding-top: 38px; border-top: 1px solid var(--line); }
.policy-content h2 { margin: 0 0 12px; font-size: clamp(1.55rem, 3vw, 2.15rem); letter-spacing: -.035em; line-height: 1.1; }
.policy-content h3 { margin: 26px 0 8px; font-size: 1.1rem; }
.policy-content p,
.policy-content li { color: #385562; }
.policy-content ul,
.policy-content ol { padding-left: 24px; }
.policy-content li { margin: 8px 0; }
.notice { padding: 22px; border: 1px solid #b8dce8; border-left: 5px solid var(--blue-dark); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--wash-blue); }
.notice--safety { border-color: #e2c47f; border-left-color: #b77a09; background: #fff9ed; }
.notice p:last-child { margin-bottom: 0; }
.support-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.support-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper); }
.support-card h2,
.support-card h3 { margin: 0 0 8px; font-size: 1.24rem; letter-spacing: -.025em; }
.support-card p { margin: 0; color: var(--slate-600); }
.support-card a { font-weight: 800; }
.back-link { display: inline-flex; margin-top: 30px; font-weight: 800; }

@media (max-width: 980px) {
  .site-header__inner { align-items: flex-start; flex-direction: column; gap: 8px; padding-block: 18px; }
  .site-nav { width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
  .site-nav a { flex: 0 0 auto; }
  .hero__grid,
  .page-hero__grid,
  .policy-hero__grid,
  .content-grid,
  .safety-panel { grid-template-columns: 1fr; }
  .hero__copy { max-width: 780px; }
  .product-stage { width: min(560px, 100%); margin-inline: auto; }
  .trust-rail__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-point:nth-child(3),
  .trust-point:nth-child(4) { border-top: 1px solid var(--line); }
  .section-heading,
  .process-grid { grid-template-columns: 1fr; gap: 26px; }
  .section-heading p { max-width: 70ch; }
  .shot-card:nth-child(n) { grid-column: span 6; margin-top: 0; }
  .aside-shot { position: static; width: min(420px, 100%); margin-inline: auto; }
  .safety-panel__intro { border-right: 0; border-bottom: 1px solid #e5cf9f; }
  .page-hero::after,
  .policy-hero::after { width: 100%; height: 34%; top: auto; bottom: 0; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, var(--shell)); }
  .hero { padding-top: 52px; }
  .hero h1,
  .page-hero h1,
  .policy-hero h1 { letter-spacing: -.052em; }
  .product-stage { min-height: 0; }
  .device--primary { width: min(100%, 320px); }
  .device--secondary { width: min(100%, 230px); }
  .result-tag { justify-self: end; }
  .story-card:nth-child(n) { grid-column: 1 / -1; }
  .shot-card:nth-child(n) { grid-column: span 6; }
  .shot-card__frame { height: auto; }
  .tier-grid { grid-template-columns: 1fr; }
  .tier + .tier { border-top: 1px solid rgb(255 255 255 / 18%); border-left: 0; }
  .policy-layout { grid-template-columns: 1fr; gap: 34px; }
  .policy-nav { position: static; display: flex; flex-wrap: wrap; gap: 6px 15px; }
  .policy-nav strong { flex-basis: 100%; }
  .policy-nav a { padding: 4px 0; }
  .support-grid { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .brand img { width: 152px; }
  .site-nav { flex-wrap: wrap; overflow-x: visible; margin-inline: -6px; padding-bottom: 0; }
  .site-nav a { padding: 8px 7px; font-size: .74rem; }
  .site-nav .nav-support { margin-left: 0; }
  .hero h1 { font-size: clamp(2.75rem, 14vw, 4.1rem); }
  .promise-line li { font-size: .78rem; }
  .product-stage { grid-template-columns: minmax(0, .66fr) minmax(0, 1fr); gap: 10px; padding: 20px 0 18px; }
  .device { padding: 3px; border-width: 2px; border-radius: 20px; }
  .device img { border-radius: 16px; }
  .device--primary { width: min(100%, 220px); }
  .device--secondary { width: min(100%, 145px); }
  .result-tag { width: 175px; padding: 10px 12px; font-size: .8rem; }
  .trust-rail__grid { grid-template-columns: 1fr; }
  .trust-point { min-height: 0; border-top: 1px solid var(--line); border-right: 1px solid var(--line); }
  .trust-point:first-child { border-top: 0; }
  .formula { grid-template-columns: 1fr; }
  .shot-card:nth-child(n) { grid-column: 1 / -1; }
  .shot-card__frame { width: min(360px, 100%); height: auto; margin-inline: auto; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__grid > :first-child { grid-column: auto; }
  .site-footer__meta { flex-direction: column; }
}

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

@media (forced-colors: active) {
  .button,
  .promise-line li,
  .tier-grid,
  .device,
  .shot-card__frame { border: 2px solid ButtonText; }
}

@media print {
  .site-header,
  .site-footer,
  .actions,
  .product-stage,
  .aside-shot,
  .policy-nav { display: none !important; }
  body,
  .page-hero,
  .policy-hero,
  .section { background: #fff !important; color: #000 !important; }
  .policy-layout,
  .content-grid { display: block; }
}
