/*
 * First Board — quiet coastal editorial system
 * A calm, accessible interface for practical stand-up paddleboarding guides.
 */

:root {
  color-scheme: light;
  --marine: #0a2330;
  --marine-deep: #061923;
  --marine-soft: #173744;
  --teal: #075f62;
  --teal-dark: #04494b;
  --teal-light: #4c9290;
  --sea-glass: #dcedea;
  --sea-glass-deep: #c7e0dc;
  --sand: #f5efe4;
  --sand-deep: #e9ddca;
  --ivory: #fcfaf6;
  --paper: #fffefa;
  --terracotta: #b94b38;
  --terracotta-dark: #913729;
  --terracotta-soft: #f7e4df;
  --brass: #a47b32;
  --brass-ink: #806025;
  --brass-light: #d2b67a;
  --brass-soft: #eee3ce;
  --ink: #17303a;
  --ink-muted: #52636a;
  --line: #d5ddd9;
  --line-warm: #dfd4c4;
  --line-dark: rgba(252, 250, 246, 0.16);
  --white: #ffffff;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-body: Inter, Aptos, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-ui: var(--font-body);
  --shadow-sm: 0 1px 2px rgba(6, 25, 35, 0.04), 0 12px 30px rgba(6, 25, 35, 0.06);
  --shadow-md: 0 20px 56px rgba(6, 25, 35, 0.12);
  --shadow-lg: 0 34px 90px rgba(6, 25, 35, 0.2);
  --radius-sm: 0.55rem;
  --radius-md: 1rem;
  --radius-lg: 1.55rem;
  --radius-pill: 999px;
  --site-width: 76rem;
  --reading-width: 49rem;
  --header-height: 4.65rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 2rem);
  background: var(--marine-deep);
  text-size-adjust: 100%;
}

body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

body,
body.site-body {
  min-width: 20rem;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% 12%, rgba(7, 95, 98, 0.055), transparent 30rem),
    linear-gradient(180deg, var(--ivory), #faf7f0 62%, var(--sand));
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.15vw, 1.075rem);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
summary {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--teal);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--teal-dark);
}

:focus-visible {
  outline: 3px solid var(--brass-light);
  outline-offset: 4px;
}

::selection {
  background: var(--sea-glass-deep);
  color: var(--marine);
}

main {
  display: block;
}

.container {
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
}

.skip-link {
  position: fixed;
  z-index: 1200;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--ivory);
  box-shadow: var(--shadow-md);
  color: var(--marine);
  font-weight: 800;
  transform: translateY(-170%);
  transition: transform 180ms ease;
}

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

.reading-progress,
#reading-progress {
  position: fixed;
  z-index: 1100;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brass-light), var(--teal-light), var(--teal));
  box-shadow: 0 0 14px rgba(76, 146, 144, 0.42);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

/* Header and navigation */

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(10, 35, 48, 0.965);
  box-shadow: 0 10px 34px rgba(6, 25, 35, 0.14);
  color: var(--ivory);
  backdrop-filter: blur(18px) saturate(120%);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 2.5rem), var(--site-width));
  min-height: var(--header-height);
  margin-inline: auto;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 0.72rem;
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.015em;
  line-height: 1;
  text-decoration: none;
}

.brand:hover {
  color: var(--white);
}

.brand-mark {
  display: block;
  position: relative;
  width: 2.55rem;
  height: 2.55rem;
  overflow: hidden;
  border: 1px solid rgba(210, 182, 122, 0.68);
  border-radius: 50%;
  background: var(--marine-soft);
  box-shadow: inset 0 0 0 4px rgba(6, 25, 35, 0.48);
}

.brand-mark::before {
  position: absolute;
  top: 0.55rem;
  left: 0.78rem;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--brass-light);
  content: "";
  box-shadow: 0 0 0 3px rgba(210, 182, 122, 0.08);
}

.brand-mark::after {
  position: absolute;
  right: 0.45rem;
  bottom: 0.57rem;
  left: 0.45rem;
  height: 0.55rem;
  border-top: 1px solid var(--sea-glass);
  border-bottom: 1px solid rgba(220, 237, 234, 0.66);
  border-radius: 50%;
  content: "";
  transform: rotate(-7deg);
}

.brand-mark i {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 1.9rem);
}

.site-nav a {
  display: inline-flex;
  position: relative;
  align-items: center;
  padding-block: 0.55rem;
  color: rgba(252, 250, 246, 0.76);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.115em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.1rem;
  left: 0;
  height: 1px;
  background: var(--brass-light);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease-out);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-cta {
  padding: 0.8rem 1rem;
  border: 1px solid rgba(210, 182, 122, 0.56);
  border-radius: var(--radius-pill);
  color: var(--sand);
}

.site-nav .nav-cta::after {
  display: none;
}

.site-nav .nav-cta:hover {
  border-color: var(--brass-light);
  background: rgba(210, 182, 122, 0.1);
}

.nav-toggle {
  display: none;
  position: relative;
  width: 2.8rem;
  height: 2.8rem;
  padding: 0;
  border: 1px solid rgba(252, 250, 246, 0.28);
  border-radius: 50%;
  background: transparent;
  color: var(--ivory);
  cursor: pointer;
}

.nav-toggle > span {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  margin: -1px !important;
  white-space: nowrap !important;
}

.nav-toggle::before,
.nav-toggle::after,
.nav-toggle > i {
  display: block;
  position: absolute;
  left: 50%;
  width: 1.05rem;
  height: 1px;
  background: currentColor;
  content: "";
  transform: translateX(-50%);
  transition: opacity 160ms ease, transform 200ms ease;
}

.nav-toggle::before {
  top: 0.95rem;
}

.nav-toggle > i {
  top: 1.36rem;
}

.nav-toggle::after {
  top: 1.77rem;
}

.nav-toggle[aria-expanded="true"] > i {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"]::before {
  transform: translate(-50%, 0.41rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"]::after {
  transform: translate(-50%, -0.41rem) rotate(-45deg);
}

/* Shared editorial labels and controls */

.eyebrow,
.section-kicker,
.card-label,
.callout__label,
.signal-card__label,
.safety-callout__label,
.decision-banner__label {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--teal);
  font-size: 0.69rem;
  font-weight: 900;
  letter-spacing: 0.17em;
  line-height: 1.35;
  text-transform: uppercase;
}

.eyebrow::before,
.section-kicker::before {
  width: 2.15rem;
  height: 1px;
  background: var(--brass);
  content: "";
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  margin-top: 1.4rem;
  padding: 0.82rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.button--primary {
  border-color: var(--teal);
  background: var(--teal);
  color: var(--white);
}

.button--primary:hover {
  border-color: var(--teal-dark);
  background: var(--teal-dark);
  color: var(--white);
}

.button--light {
  border-color: var(--ivory);
  background: var(--ivory);
  color: var(--marine);
}

.button--light:hover {
  border-color: var(--sea-glass);
  background: var(--sea-glass);
  color: var(--marine);
}

.button--ghost {
  border-color: rgba(252, 250, 246, 0.34);
  background: transparent;
  color: var(--ivory);
}

.button--ghost:hover {
  border-color: var(--brass-light);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.inline-link {
  display: inline-flex;
  align-items: center;
  margin-top: 1.35rem;
  gap: 0.4rem;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
}

.inline-link span {
  transition: transform 180ms var(--ease-out);
}

.inline-link:hover span {
  transform: translateX(0.25rem);
}

/* Home hero */

.home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: min(49rem, calc(100svh - var(--header-height)));
  padding-block: clamp(4rem, 8vw, 7.5rem);
  border-bottom: 1px solid rgba(220, 237, 234, 0.14);
  background:
    radial-gradient(circle at 77% 27%, rgba(76, 146, 144, 0.2), transparent 26rem),
    radial-gradient(circle at 10% 90%, rgba(164, 123, 50, 0.12), transparent 24rem),
    linear-gradient(124deg, var(--marine-deep), var(--marine) 58%, #0b3b46);
  color: var(--ivory);
}

.home-hero::before,
.home-hero::after {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(220, 237, 234, 0.11);
  border-radius: 50%;
  content: "";
}

.home-hero::before {
  top: -25rem;
  right: -14rem;
  width: 52rem;
  height: 52rem;
}

.home-hero::after {
  right: 7rem;
  bottom: -31rem;
  width: 48rem;
  height: 48rem;
}

.home-hero-inner,
.home-hero > .hero-grid,
.home-hero > .container {
  display: grid;
  position: relative;
  z-index: 1;
  align-items: center;
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
  gap: clamp(3rem, 7vw, 6.5rem);
  grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 1.05fr);
}

.home-hero__copy,
.home-hero .hero-copy {
  max-width: 42rem;
}

.home-hero .eyebrow {
  color: var(--brass-light);
}

.home-hero .eyebrow::before {
  background: var(--sea-glass-deep);
}

.home-hero h1 {
  max-width: 12ch;
  margin-top: 1rem;
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.8vw, 5.75rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.96;
  text-wrap: balance;
}

.home-hero .hero-lede,
.home-hero .lede,
.home-hero__copy > p:not(.eyebrow),
.home-hero .hero-copy > p:not(.eyebrow) {
  max-width: 38rem;
  margin-top: 1.45rem;
  color: rgba(252, 250, 246, 0.74);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.02rem + 0.55vw, 1.48rem);
  line-height: 1.55;
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.6rem;
  gap: 0.65rem;
}

.home-hero__actions .button {
  margin-top: 0;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  margin: 1.45rem 0 0;
  padding: 0;
  gap: 0.5rem;
  list-style: none;
}

.trust-list li {
  padding: 0.32rem 0.62rem;
  border: 1px solid rgba(220, 237, 234, 0.18);
  border-radius: var(--radius-pill);
  color: rgba(252, 250, 246, 0.65);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.045em;
}

.home-hero__media,
.home-hero .hero-media {
  position: relative;
  margin: 0;
}

.home-hero__media::after,
.home-hero .hero-media::after {
  position: absolute;
  z-index: -1;
  right: -1.2rem;
  bottom: -1.2rem;
  width: 72%;
  height: 72%;
  border: 1px solid rgba(210, 182, 122, 0.72);
  content: "";
}

.home-hero__media img,
.home-hero .hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 0.2rem;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.home-hero__media figcaption,
.home-hero .hero-media figcaption {
  color: rgba(252, 250, 246, 0.58);
}

/* Article hero */

.hero,
.article-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(3.5rem, 7vw, 7rem) 0 clamp(4rem, 7vw, 6.7rem);
  border-bottom: 1px solid var(--line-warm);
  background:
    radial-gradient(circle at 13% 20%, rgba(7, 95, 98, 0.1), transparent 26rem),
    linear-gradient(132deg, var(--ivory), var(--sand) 68%, #eee4d5);
}

.article-hero::before,
.hero:not(.home-hero)::before {
  position: absolute;
  z-index: -1;
  top: -19rem;
  left: 55%;
  width: 52rem;
  height: 52rem;
  border: 1px solid rgba(7, 95, 98, 0.14);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  display: grid;
  align-items: center;
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
  gap: clamp(3rem, 6vw, 6rem);
  grid-template-columns: minmax(0, 0.96fr) minmax(23rem, 1.04fr);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.25rem;
  gap: 0.45rem;
  color: var(--ink-muted);
  font-size: 0.69rem;
  font-weight: 750;
  letter-spacing: 0.05em;
}

.breadcrumbs a {
  color: var(--teal);
  text-decoration: none;
}

.hero h1,
.article-hero h1 {
  max-width: 14ch;
  margin-top: 1rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5.15vw, 5.25rem);
  font-weight: 500;
  letter-spacing: -0.048em;
  line-height: 0.99;
  text-wrap: balance;
}

.hero-lede,
.hero .lede,
.hero-copy > p:not(.eyebrow) {
  max-width: 43rem;
  margin-top: 1.45rem;
  color: #4e626a;
  font-family: var(--font-display);
  font-size: clamp(1.14rem, 1.02rem + 0.52vw, 1.43rem);
  line-height: 1.55;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.55rem;
  gap: 0.45rem 1.35rem;
  color: var(--ink-muted);
  font-size: 0.69rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-meta > * + * {
  position: relative;
}

.hero-meta > * + *::before {
  position: absolute;
  top: 50%;
  left: -0.78rem;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 50%;
  background: var(--brass);
  content: "";
  transform: translateY(-50%);
}

.hero-takeaway {
  max-width: 42rem;
  margin-top: 1.75rem;
  padding: 1.05rem 1.2rem;
  border: 1px solid rgba(7, 95, 98, 0.18);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(255, 254, 250, 0.7);
  color: #40545c;
  font-size: 0.93rem;
  line-height: 1.62;
}

.hero-takeaway > span:first-child {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--teal);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-takeaway p {
  margin: 0;
}

.hero-takeaway strong {
  color: var(--teal-dark);
}

.hero-media {
  position: relative;
  margin: 0;
}

.hero-media::before {
  position: absolute;
  z-index: -1;
  right: -1.15rem;
  bottom: -1.15rem;
  width: 72%;
  height: 72%;
  border: 1px solid var(--brass);
  content: "";
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 0.18rem;
  background: var(--sea-glass);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.hero-media img[src$=".svg"] {
  background: var(--sea-glass);
  object-fit: contain;
}

.hero-media figcaption,
figure figcaption,
.image-caption {
  margin-top: 0.9rem;
  color: var(--ink-muted);
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-style: italic;
  line-height: 1.5;
}

/* Article layout and sticky table of contents */

.article-shell {
  display: grid;
  align-items: start;
  justify-content: center;
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
  padding-block: clamp(3.75rem, 7vw, 7rem);
  gap: clamp(3rem, 6vw, 6rem);
  grid-template-columns: minmax(12rem, 16.5rem) minmax(0, var(--reading-width));
}

.toc,
#toc {
  position: sticky;
  top: calc(var(--header-height) + 1.8rem);
  max-height: calc(100vh - var(--header-height) - 3.6rem);
  overflow-y: auto;
  padding: 1.35rem 1.15rem 1.2rem;
  border-top: 2px solid var(--brass);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: rgba(252, 250, 246, 0.72);
  box-shadow: 0 10px 34px rgba(6, 25, 35, 0.05);
  scrollbar-width: thin;
  scrollbar-color: var(--sea-glass-deep) transparent;
  backdrop-filter: blur(12px);
}

.toc-title,
.toc > h2,
.toc > p:first-child {
  margin-bottom: 0.85rem;
  color: var(--marine);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  line-height: 1.35;
  text-transform: uppercase;
}

.toc-links,
.toc-links ol,
.toc-links ul,
.toc ol,
.toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-links li + li,
.toc li + li {
  margin-top: 0.15rem;
}

.toc-links a,
.toc a:not(.toc-back) {
  display: grid;
  position: relative;
  align-items: start;
  padding: 0.45rem 0.4rem 0.45rem 1rem;
  border-radius: 0.3rem;
  color: var(--ink-muted);
  font-size: 0.79rem;
  font-weight: 650;
  line-height: 1.42;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.toc-links a:has(> span) {
  column-gap: 0.55rem;
  grid-template-columns: 1.45rem minmax(0, 1fr);
}

.toc-links a > span {
  color: var(--brass-ink);
  font-family: var(--font-display);
  font-size: 0.69rem;
}

.toc-links a::before,
.toc a:not(.toc-back)::before {
  position: absolute;
  top: 0.72rem;
  bottom: 0.72rem;
  left: 0;
  width: 2px;
  border-radius: 2px;
  background: var(--line);
  content: "";
}

.toc-links a:hover,
.toc a:not(.toc-back):hover {
  background: rgba(7, 95, 98, 0.06);
  color: var(--marine);
}

.toc-links a.is-active,
.toc-links a[aria-current="true"],
.toc a.is-active,
.toc a[aria-current="true"] {
  background: rgba(7, 95, 98, 0.075);
  color: var(--teal-dark);
  transform: translateX(0.18rem);
}

.toc-links a.is-active::before,
.toc-links a[aria-current="true"]::before,
.toc a.is-active::before,
.toc a[aria-current="true"]::before {
  background: var(--teal);
}

.toc-back {
  display: inline-flex;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  gap: 0.35rem;
  color: var(--teal);
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.article-content {
  min-width: 0;
}

.article-content > *:first-child,
.prose > *:first-child {
  margin-top: 0;
}

.article-section {
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

.article-section + .article-section {
  margin-top: clamp(4.7rem, 9vw, 7.4rem);
  padding-top: 0.15rem;
}

.prose {
  color: #324b54;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose figure,
.prose .comparison-wrap,
.prose .card-grid,
.prose .signal-grid,
.prose .choice-grid,
.prose .callout,
.prose .safety-callout,
.prose .decision-banner,
.prose .steps,
.prose .faq-list,
.prose .sources {
  margin-top: 1.35rem;
}

.prose > h2,
.article-section > h2,
.article-content > section > h2 {
  max-width: 20ch;
  margin-top: 0.65rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 1.62rem + 1.5vw, 3.15rem);
  font-weight: 500;
  letter-spacing: -0.038em;
  line-height: 1.08;
  scroll-margin-top: calc(var(--header-height) + 2rem);
  text-wrap: balance;
}

.prose > h2::after,
.article-section > h2::after,
.article-content > section > h2::after {
  display: block;
  width: 3.3rem;
  height: 2px;
  margin-top: 1rem;
  background: linear-gradient(90deg, var(--teal), var(--brass));
  content: "";
}

.prose h3 {
  margin-top: 2.6rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.2rem + 0.64vw, 1.88rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.22;
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

.prose h4 {
  margin-top: 2rem;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  line-height: 1.4;
  text-transform: uppercase;
}

.prose .lead,
.prose > p:first-of-type {
  color: #415b64;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.06rem + 0.38vw, 1.37rem);
  line-height: 1.62;
}

.prose a:not(.button):not(.card):not(.related-card) {
  font-weight: 700;
  text-decoration-color: rgba(7, 95, 98, 0.32);
  transition: color 150ms ease, text-decoration-color 150ms ease;
}

.prose a:not(.button):not(.card):not(.related-card):hover {
  text-decoration-color: currentColor;
}

.prose strong,
.highlight,
.text-accent {
  color: var(--teal-dark);
  font-weight: 800;
}

.hazard-text,
.text-hazard {
  color: var(--terracotta-dark);
  font-weight: 800;
}

mark,
.highlight--marker {
  padding: 0.04em 0.2em;
  background: linear-gradient(transparent 48%, rgba(210, 182, 122, 0.43) 48% 94%, transparent 94%);
  color: inherit;
}

.prose ul,
.prose ol:not(.steps) {
  padding-left: 1.3rem;
}

.prose li {
  padding-left: 0.28rem;
}

.prose li + li {
  margin-top: 0.55rem;
}

.prose li::marker {
  color: var(--teal);
  font-weight: 800;
}

.pull-quote,
.prose blockquote {
  position: relative;
  padding: clamp(1.75rem, 4vw, 2.6rem) clamp(1.45rem, 4vw, 2.5rem);
  border: 0;
  border-top: 1px solid var(--brass);
  border-bottom: 1px solid var(--brass);
  background: transparent;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.08rem + 0.83vw, 1.75rem);
  font-style: italic;
  line-height: 1.48;
}

.pull-quote::before,
.prose blockquote::before {
  position: absolute;
  top: 0.05rem;
  left: 0.3rem;
  color: rgba(164, 123, 50, 0.31);
  content: "“";
  font-family: Georgia, serif;
  font-size: 5rem;
  font-style: normal;
  line-height: 1;
}

.pull-quote cite,
.prose blockquote cite {
  display: block;
  margin-top: 0.9rem;
  color: var(--ink-muted);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Cards and decision signals */

.card-grid,
.signal-grid,
.choice-grid,
.guide-grid,
.related-grid,
.tier-grid,
.action-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid--three,
.signal-grid--three,
.tier-grid,
.action-grid,
.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid--four,
.signal-grid--four,
.decision-cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.signal-card,
.choice-card,
.tier-card,
.action-card,
.brand-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.3rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 254, 250, 0.9);
  box-shadow: var(--shadow-sm);
}

.card::after,
.signal-card::after,
.choice-card::after,
.tier-card::after,
.action-card::after,
.brand-card::after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), transparent 76%);
  content: "";
}

.card h3,
.signal-card h3,
.choice-card h3,
.tier-card h3,
.action-card h3,
.brand-card h3 {
  margin-top: 0.55rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(1.28rem, 1.08rem + 0.46vw, 1.58rem);
  font-weight: 650;
  line-height: 1.25;
}

.card p,
.signal-card p,
.choice-card p,
.tier-card p,
.action-card p,
.brand-card p {
  margin-top: 0.65rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.58;
}

.card-index,
.signal-card__value,
.card-icon {
  display: inline-flex;
  color: var(--brass-ink);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
}

.signal-card__value {
  margin-top: 0.5rem;
  color: var(--marine);
  font-size: clamp(1.65rem, 1.35rem + 1vw, 2.35rem);
  letter-spacing: -0.03em;
}

.signal-card--safe,
.card--teal,
.card--featured,
.tier-card.is-recommended,
.choice-card.is-recommended {
  border-color: rgba(7, 95, 98, 0.28);
  background: linear-gradient(145deg, var(--paper), var(--sea-glass));
  box-shadow: var(--shadow-md);
}

.signal-card--safe::after,
.card--teal::after,
.card--featured::after,
.tier-card.is-recommended::after,
.choice-card.is-recommended::after {
  height: 4px;
  background: var(--teal);
}

.signal-card--caution,
.signal-card--hazard,
.card--hazard,
.card--terracotta {
  border-color: rgba(185, 75, 56, 0.28);
  background: linear-gradient(145deg, var(--paper), var(--terracotta-soft));
}

.signal-card--caution::after,
.signal-card--hazard::after,
.card--hazard::after,
.card--terracotta::after {
  background: var(--terracotta);
}

.signal-card--caution .signal-card__label,
.signal-card--hazard .signal-card__label,
.card--hazard .card-label,
.card--terracotta .card-label {
  color: var(--terracotta-dark);
}

.card--sand,
.card--brass {
  border-color: rgba(164, 123, 50, 0.28);
  background: linear-gradient(145deg, var(--paper), var(--brass-soft));
}

.card--sand::after,
.card--brass::after {
  background: var(--brass);
}

.choice-card--dark,
.card--marine,
.card--graphite {
  border-color: var(--marine);
  background: var(--marine);
  box-shadow: var(--shadow-md);
  color: var(--ivory);
}

.choice-card--dark::after,
.card--marine::after,
.card--graphite::after {
  background: var(--brass-light);
}

.choice-card--dark h3,
.choice-card--dark p,
.card--marine h3,
.card--marine p,
.card--graphite h3,
.card--graphite p {
  color: var(--ivory);
}

.choice-card__label,
.card-tag {
  color: var(--teal);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.choice-card--dark .choice-card__label,
.card--marine .card-tag,
.card--graphite .card-tag {
  color: var(--brass-light);
}

/* Safety callouts */

.callout,
.safety-callout,
.safety-note {
  position: relative;
  overflow: hidden;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid rgba(7, 95, 98, 0.24);
  border-radius: var(--radius-md);
  background: var(--sea-glass);
  box-shadow: var(--shadow-sm);
}

.callout::before,
.safety-callout::before,
.safety-note::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--teal);
  content: "";
}

.callout > :first-child,
.safety-callout > :first-child,
.safety-note > :first-child {
  margin-top: 0;
}

.callout h3,
.callout-title,
.safety-callout h3,
.safety-callout__title,
.safety-note h3 {
  margin: 0 0 0.55rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.25;
}

.callout__label,
.safety-callout__label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--teal-dark);
}

.callout--large,
.safety-callout--large {
  padding: clamp(1.6rem, 4vw, 2.5rem);
}

.callout--hazard,
.callout--danger,
.callout--terracotta,
.safety-callout--hazard,
.safety-callout--danger {
  border-color: rgba(185, 75, 56, 0.32);
  background: var(--terracotta-soft);
}

.callout--hazard::before,
.callout--danger::before,
.callout--terracotta::before,
.safety-callout--hazard::before,
.safety-callout--danger::before {
  background: var(--terracotta);
}

.callout--hazard .callout__label,
.callout--danger .callout__label,
.callout--terracotta .callout__label,
.safety-callout--hazard .safety-callout__label,
.safety-callout--danger .safety-callout__label {
  color: var(--terracotta-dark);
}

.callout--sand,
.callout--brass,
.safety-callout--brass {
  border-color: rgba(164, 123, 50, 0.34);
  background: var(--brass-soft);
}

.callout--sand::before,
.callout--brass::before,
.safety-callout--brass::before {
  background: var(--brass);
}

.callout--marine,
.decision-banner {
  border-color: var(--marine);
  background: var(--marine);
  box-shadow: var(--shadow-md);
  color: var(--ivory);
}

.callout--marine::before,
.decision-banner::before {
  background: var(--brass-light);
}

.callout--marine h3,
.decision-banner h2,
.decision-banner h3 {
  color: var(--ivory);
}

.callout--marine .callout__label,
.decision-banner__label {
  color: var(--brass-light);
}

.decision-banner {
  display: grid;
  position: relative;
  overflow: hidden;
  align-items: center;
  padding: clamp(1.7rem, 5vw, 3.5rem);
  border-radius: var(--radius-lg);
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) auto;
}

.decision-banner h2,
.decision-banner h3 {
  margin-top: 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.4rem + 1vw, 2.5rem);
  font-weight: 500;
  line-height: 1.1;
}

.decision-banner p {
  max-width: 40rem;
  margin-top: 0.65rem;
  color: rgba(252, 250, 246, 0.68);
}

/* Tables */

.comparison-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
  scrollbar-color: var(--teal-light) var(--sea-glass);
}

.comparison-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.5;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem 1.05rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison-table thead th {
  border-bottom-color: rgba(252, 250, 246, 0.16);
  background: var(--marine);
  color: var(--ivory);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.comparison-table thead th:first-child {
  border-radius: calc(var(--radius-md) - 1px) 0 0 0;
}

.comparison-table thead th:last-child {
  border-radius: 0 calc(var(--radius-md) - 1px) 0 0;
}

.comparison-table tbody th {
  color: var(--marine);
  font-weight: 800;
}

.comparison-table tbody tr:nth-child(even) {
  background: rgba(220, 237, 234, 0.24);
}

.comparison-table tbody tr.is-recommended {
  background: var(--sea-glass);
}

.comparison-table tbody tr.is-warning,
.comparison-table tbody tr.is-hazard {
  background: var(--terracotta-soft);
}

.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.table-note {
  margin-top: 0.7rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-style: italic;
}

/* Numbered steps */

.steps,
.prose .steps {
  margin: 1.5rem 0 0;
  padding: 0;
  counter-reset: step;
  list-style: none;
}

.steps > li {
  display: grid;
  position: relative;
  min-height: 4.2rem;
  padding: 0 0 1.7rem 4.45rem;
  counter-increment: step;
}

.steps > li::before {
  display: grid;
  position: absolute;
  top: 0;
  left: 0;
  width: 3.1rem;
  height: 3.1rem;
  place-items: center;
  border: 1px solid rgba(7, 95, 98, 0.28);
  border-radius: 50%;
  background: var(--sea-glass);
  color: var(--teal-dark);
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 0.83rem;
  font-weight: 700;
}

.steps > li:not(:last-child)::after {
  position: absolute;
  top: 3.1rem;
  bottom: 0;
  left: 1.55rem;
  width: 1px;
  background: linear-gradient(var(--sea-glass-deep), var(--line));
  content: "";
}

.steps > li > span:first-child {
  display: none;
}

.steps > li strong,
.steps > li h3 {
  display: block;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: 1.27rem;
  font-weight: 700;
  line-height: 1.3;
}

.steps > li p {
  margin-top: 0.35rem;
  color: var(--ink-muted);
  font-size: 0.91rem;
  line-height: 1.58;
}

.steps--compact > li {
  padding-bottom: 1.1rem;
}

/* Sources and FAQ */

.sources,
.faq {
  margin-top: clamp(4.8rem, 9vw, 7rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}

.sources h2,
.faq h2 {
  max-width: 23ch;
  margin-top: 0.65rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.42rem + 1.2vw, 2.65rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.sources > p:not(.section-kicker) {
  max-width: 42rem;
  margin-top: 0.9rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.sources ul {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.sources li {
  border-bottom: 1px solid var(--line);
}

.sources li:first-child {
  border-top: 1px solid var(--line);
}

.sources a {
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
  color: var(--teal);
  font-size: 0.83rem;
  font-weight: 750;
  line-height: 1.45;
  text-decoration: none;
}

.sources a:hover {
  color: var(--teal-dark);
}

.faq-list {
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: grid;
  position: relative;
  align-items: center;
  min-height: 4.4rem;
  padding: 1rem 3.25rem 1rem 0;
  column-gap: 0.8rem;
  color: var(--marine);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.98rem + 0.25vw, 1.2rem);
  font-weight: 650;
  line-height: 1.35;
  list-style: none;
  grid-template-columns: 2rem minmax(0, 1fr);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary > span {
  color: var(--brass-ink);
  font-family: var(--font-display);
  font-size: 0.76rem;
}

.faq-list summary::before,
.faq-list summary::after,
.faq-list summary > i::before,
.faq-list summary > i::after {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  width: 0.9rem;
  height: 1px;
  background: var(--teal);
  content: "";
  transform: translateY(-50%);
  transition: transform 180ms ease;
}

.faq-list summary::after,
.faq-list summary > i::after {
  transform: translateY(-50%) rotate(90deg);
}

.faq-list summary > i::before,
.faq-list summary > i::after {
  display: none;
}

.faq-list details[open] summary::after,
.faq-list details.is-open summary::after {
  transform: translateY(-50%) rotate(0deg);
}

.faq-answer,
.faq-list details > div,
.faq-list details > p {
  max-width: 43rem;
  padding: 0 3.25rem 1.35rem 2.8rem;
  color: var(--ink-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.faq-answer p {
  margin: 0;
}

/* Related editorial cards */

.related,
.related-guides {
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
  padding: 0 0 clamp(5rem, 9vw, 8rem);
}

.related-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1.5rem;
}

.related-heading h2 {
  margin-top: 0.65rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 1.48rem + 1.4vw, 2.85rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.related-heading > a {
  color: var(--teal);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.related-card,
.guide-card {
  display: block;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  text-decoration: none;
  transition: box-shadow 220ms ease, transform 220ms var(--ease-out);
}

.related-card:hover,
.guide-card:hover {
  box-shadow: var(--shadow-md);
  color: var(--ink);
  transform: translateY(-4px);
}

.related-card__media,
.guide-card__media {
  display: block;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--sea-glass);
}

.related-card__media img,
.guide-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 480ms var(--ease-out);
}

.related-card__media img[src$=".svg"],
.guide-card__media img[src$=".svg"] {
  background: var(--sea-glass);
  object-fit: contain;
}

.related-card:hover img,
.guide-card:hover img {
  transform: scale(1.035);
}

.related-card__copy,
.guide-card__body {
  display: flex;
  min-height: 12.7rem;
  padding: 1.35rem;
  flex-direction: column;
  align-items: flex-start;
}

.related-card__copy small,
.guide-card__body small {
  margin-bottom: 0.6rem;
  color: var(--teal);
  font-size: 0.63rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.related-card__copy strong,
.guide-card__body strong {
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(1.24rem, 1.06rem + 0.44vw, 1.53rem);
  line-height: 1.25;
}

.related-card__copy > span:not(:last-child),
.guide-card__body > span {
  margin-top: 0.7rem;
  color: var(--ink-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.related-card__copy > span:last-child,
.guide-card__body > i {
  display: inline-flex;
  margin-top: auto;
  padding-top: 1.15rem;
  gap: 0.4rem;
  color: var(--teal);
  font-size: 0.67rem;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guide-card--featured {
  grid-column: span 2;
}

/* Home editorial sections */

.home-intro,
.guides-section,
.home-decision,
.editorial-promise {
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
}

.home-intro {
  display: grid;
  padding-block: clamp(4.8rem, 9vw, 8rem);
  border-bottom: 1px solid var(--line);
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: 0.78fr 1.22fr 0.88fr;
}

.home-intro h2,
.section-heading h2,
.editorial-promise > h2 {
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 1.5rem + 1.75vw, 3.3rem);
  font-weight: 500;
  letter-spacing: -0.038em;
  line-height: 1.08;
}

.home-intro > div p,
.section-heading > p {
  margin-top: 1rem;
  color: var(--ink-muted);
}

.home-intro blockquote {
  align-self: end;
  padding-left: 1.3rem;
  border-left: 2px solid var(--brass);
  color: var(--teal-dark);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.55;
}

.guides-section,
.editorial-promise {
  padding-block: clamp(4.8rem, 9vw, 8rem);
}

.section-heading {
  display: grid;
  align-items: end;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  gap: 2rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
}

.section-heading .section-kicker {
  margin-bottom: 0.65rem;
}

.guides-section .guide-grid {
  width: 100%;
  margin: 0;
  padding: 0;
}

.home-decision {
  display: grid;
  align-items: end;
  margin-bottom: clamp(5rem, 9vw, 8rem);
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 93% 10%, rgba(76, 146, 144, 0.18), transparent 18rem),
    var(--marine);
  box-shadow: var(--shadow-lg);
  color: var(--ivory);
  gap: 2rem;
  grid-template-columns: 0.9fr 1.3fr auto;
}

.home-decision h2 {
  margin-top: 0.65rem;
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 1.42rem + 1.4vw, 2.82rem);
  font-weight: 500;
  line-height: 1.1;
}

.home-decision .section-kicker {
  color: var(--brass-light);
}

.home-decision ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-decision li {
  display: grid;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-dark);
  gap: 0.1rem 0.75rem;
  grid-template-columns: 2rem 1fr;
}

.home-decision li > span {
  color: var(--brass-light);
  font-family: var(--font-display);
  grid-row: 1 / 3;
}

.home-decision li p {
  color: rgba(252, 250, 246, 0.6);
  font-size: 0.82rem;
}

.home-decision .button {
  white-space: nowrap;
}

.editorial-promise {
  border-top: 1px solid var(--line);
}

.editorial-promise > h2 {
  max-width: 18ch;
  margin-top: 0.65rem;
}

.editorial-promise .card-grid {
  margin-top: 2rem;
}

/* Legal pages, error states and footer */

.legal-page,
.legal-body,
.error-page {
  width: min(calc(100% - 2.5rem), 48rem);
  margin-inline: auto;
  padding-block: clamp(4.2rem, 9vw, 8rem);
}

.legal-hero h1,
.legal-page > h1,
.error-page h1 {
  margin-top: 0.85rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 5vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
}

.legal-lede,
.legal-hero > p:last-child,
.error-page > p {
  max-width: 39rem;
  margin-top: 1rem;
  color: var(--ink-muted);
  font-family: var(--font-display);
  font-size: 1.24rem;
}

.legal-content {
  margin-top: 3.4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.legal-content h2,
.legal-page h2 {
  margin-top: 3rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1.2;
}

.legal-content h3,
.legal-page h3 {
  margin-top: 2rem;
  color: var(--marine);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.legal-content p,
.legal-content ul,
.legal-page p,
.legal-page ul {
  margin-top: 1rem;
}

.site-footer {
  border-top: 1px solid rgba(220, 237, 234, 0.13);
  background:
    radial-gradient(circle at 80% 0%, rgba(76, 146, 144, 0.14), transparent 26rem),
    var(--marine-deep);
  color: rgba(252, 250, 246, 0.68);
}

.footer-shell,
.site-footer > .container {
  display: grid;
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
  padding-block: clamp(3.8rem, 7vw, 6rem);
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: minmax(0, 1.3fr) minmax(10rem, 0.8fr) minmax(10rem, 0.8fr);
}

.footer-brand > p {
  max-width: 29rem;
  margin-top: 1rem;
  color: rgba(252, 250, 246, 0.58);
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.58;
}

.brand--footer {
  color: var(--ivory);
}

.footer-column h2 {
  margin-bottom: 0.85rem;
  color: var(--brass-light);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-column ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-column li + li {
  margin-top: 0.42rem;
}

.footer-column a,
.footer-nav a,
.site-footer nav a {
  color: rgba(252, 250, 246, 0.67);
  font-size: 0.82rem;
  line-height: 1.45;
  text-decoration: none;
}

.footer-column a:hover,
.footer-nav a:hover,
.site-footer nav a:hover {
  color: var(--white);
}

.footer-bottom,
.copyright {
  display: flex;
  justify-content: space-between;
  width: min(calc(100% - 2.5rem), var(--site-width));
  margin-inline: auto;
  padding-block: 1.2rem 1.4rem;
  border-top: 1px solid rgba(220, 237, 234, 0.12);
  gap: 1rem;
  color: rgba(252, 250, 246, 0.48);
  font-size: 0.7rem;
  line-height: 1.45;
}

.footer-bottom a,
.copyright a {
  color: rgba(252, 250, 246, 0.75);
}

/* Tablet */

@media (max-width: 68rem) {
  .hero-grid,
  .home-hero-inner,
  .home-hero > .hero-grid,
  .home-hero > .container {
    gap: 3.4rem;
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.86fr);
  }

  .article-shell {
    gap: 3rem;
    grid-template-columns: 13.5rem minmax(0, var(--reading-width));
  }

  .card-grid--four,
  .signal-grid--four,
  .decision-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 52rem) {
  :root {
    --header-height: 4.25rem;
  }

  .nav-shell {
    width: min(calc(100% - 2rem), var(--site-width));
  }

  .js .nav-toggle {
    display: block;
  }

  .js .site-nav {
    display: grid;
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    align-content: start;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    padding: 0.7rem 1rem 1.25rem;
    border-bottom: 1px solid var(--line-dark);
    background: rgba(6, 25, 35, 0.992);
    box-shadow: 0 28px 50px rgba(6, 25, 35, 0.34);
    gap: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.75rem);
    transition: opacity 180ms ease, transform 220ms var(--ease-out), visibility 180ms ease;
    visibility: hidden;
  }

  .js .site-nav[data-open="true"],
  .js .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .js .site-nav a {
    padding: 1rem 0.75rem;
    border-bottom: 1px solid var(--line-dark);
    font-size: 0.75rem;
  }

  .js .site-nav a::after {
    display: none;
  }

  .js .site-nav .nav-cta {
    margin-top: 0.65rem;
    border: 1px solid rgba(210, 182, 122, 0.42);
  }

  .hero,
  .article-hero {
    padding-top: 3.4rem;
  }

  .hero-grid,
  .home-hero-inner,
  .home-hero > .hero-grid,
  .home-hero > .container {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .home-hero__copy {
    max-width: 44rem;
  }

  .hero-media,
  .home-hero__media {
    width: min(calc(100% - 0.5rem), 38rem);
  }

  .home-hero {
    min-height: auto;
  }

  .article-shell {
    display: block;
  }

  .toc,
  #toc {
    position: relative;
    top: auto;
    max-height: none;
    margin-bottom: 3.5rem;
    overflow: visible;
    padding: 1.2rem;
  }

  .toc-links,
  .toc > ol,
  .toc > ul {
    columns: 2;
    column-gap: 1.2rem;
  }

  .toc-links a,
  .toc li {
    break-inside: avoid;
  }

  .toc-links li + li,
  .toc li + li {
    margin-top: 0;
  }

  .home-intro,
  .section-heading,
  .home-decision,
  .decision-banner {
    grid-template-columns: 1fr;
  }

  .home-decision {
    align-items: start;
  }

  .home-decision .button,
  .decision-banner .button {
    justify-self: start;
  }

  .footer-shell,
  .site-footer > .container {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .related-heading {
    align-items: start;
    flex-direction: column;
  }

  .related-grid,
  .card-grid--three,
  .signal-grid--three,
  .tier-grid,
  .action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Phones: explicitly tuned for 390px and the 320px minimum. */

@media (max-width: 40rem) {
  .nav-shell,
  .hero-grid,
  .home-hero-inner,
  .home-hero > .hero-grid,
  .home-hero > .container,
  .article-shell,
  .related,
  .related-guides,
  .home-intro,
  .guides-section,
  .home-decision,
  .editorial-promise,
  .footer-shell,
  .site-footer > .container,
  .footer-bottom,
  .copyright,
  .legal-page,
  .legal-body,
  .error-page,
  .container {
    width: min(calc(100% - 1.5rem), var(--site-width));
  }

  .brand {
    font-size: 1.08rem;
  }

  .brand-mark {
    width: 2.35rem;
    height: 2.35rem;
  }

  .home-hero {
    padding-block: 3.45rem 4rem;
  }

  .home-hero h1,
  .hero h1,
  .article-hero h1 {
    font-size: clamp(2.45rem, 12.5vw, 3.45rem);
  }

  .home-hero__actions,
  .trust-list {
    align-items: stretch;
    flex-direction: column;
  }

  .home-hero__actions .button {
    width: 100%;
  }

  .trust-list li {
    width: fit-content;
  }

  .hero-media::before,
  .home-hero__media::after,
  .home-hero .hero-media::after {
    right: -0.55rem;
    bottom: -0.55rem;
  }

  .hero-meta {
    display: grid;
    gap: 0.28rem;
  }

  .hero-meta > * + *::before {
    display: none;
  }

  .toc-links,
  .toc > ol,
  .toc > ul {
    columns: 1;
  }

  .article-shell {
    padding-block: 3rem 4.5rem;
  }

  .article-section + .article-section {
    margin-top: 4.5rem;
  }

  .card-grid,
  .signal-grid,
  .choice-grid,
  .related-grid,
  .guide-grid,
  .tier-grid,
  .action-grid,
  .card-grid--three,
  .signal-grid--three,
  .card-grid--four,
  .signal-grid--four,
  .decision-cards {
    grid-template-columns: 1fr;
  }

  .guide-card--featured {
    grid-column: auto;
  }

  .comparison-wrap {
    width: calc(100% + 1.5rem);
    margin-right: -0.75rem;
    margin-left: -0.75rem;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .comparison-table {
    min-width: 39rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.8rem 0.85rem;
  }

  .steps > li {
    padding-left: 3.7rem;
  }

  .steps > li::before {
    width: 2.6rem;
    height: 2.6rem;
  }

  .steps > li:not(:last-child)::after {
    top: 2.6rem;
    left: 1.3rem;
  }

  .faq-list summary {
    padding-right: 2.55rem;
    column-gap: 0.55rem;
    grid-template-columns: 1.55rem minmax(0, 1fr);
  }

  .faq-answer,
  .faq-list details > div,
  .faq-list details > p {
    padding-right: 0;
    padding-left: 2.1rem;
  }

  .home-intro {
    gap: 1.5rem;
    grid-template-columns: 1fr;
  }

  .home-decision {
    padding: 1.5rem;
  }

  .related-card__copy,
  .guide-card__body {
    min-height: auto;
  }

  .footer-shell,
  .site-footer > .container {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom,
  .copyright {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 22rem) {
  .nav-shell,
  .hero-grid,
  .home-hero-inner,
  .home-hero > .hero-grid,
  .home-hero > .container,
  .article-shell,
  .related,
  .related-guides,
  .home-intro,
  .guides-section,
  .home-decision,
  .editorial-promise,
  .footer-shell,
  .site-footer > .container,
  .footer-bottom,
  .copyright,
  .legal-page,
  .legal-body,
  .error-page,
  .container {
    width: calc(100% - 1rem);
  }

  .hero-takeaway,
  .card,
  .signal-card,
  .choice-card,
  .callout,
  .safety-callout {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .brand-name {
    max-width: 8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (forced-colors: active) {
  .brand-mark,
  .callout,
  .safety-callout,
  .card,
  .signal-card,
  .related-card,
  .guide-card,
  .decision-banner {
    border: 1px solid CanvasText;
  }

  .reading-progress,
  #reading-progress {
    background: Highlight;
  }
}

@media print {
  :root {
    --paper: #ffffff;
    --ivory: #ffffff;
    --sand: #ffffff;
  }

  html,
  body,
  body.site-body {
    background: #ffffff;
    color: #000000;
    font-size: 11pt;
  }

  .site-header,
  .site-footer,
  .reading-progress,
  #reading-progress,
  .toc,
  #toc,
  .related,
  .related-guides,
  .nav-toggle,
  .home-hero__actions,
  .button {
    display: none !important;
  }

  .hero,
  .article-hero,
  .home-hero {
    min-height: 0;
    padding: 1.5rem 0 2rem;
    border-bottom: 1px solid #999999;
    background: #ffffff;
    color: #000000;
  }

  .hero h1,
  .article-hero h1,
  .home-hero h1,
  .home-hero .hero-lede,
  .home-hero .lede {
    color: #000000;
  }

  .hero-grid,
  .home-hero-inner,
  .home-hero > .hero-grid,
  .home-hero > .container,
  .article-shell {
    display: block;
    width: 100%;
  }

  .hero-media,
  .home-hero__media {
    max-width: 35rem;
    margin-top: 1.5rem;
  }

  .article-shell {
    padding: 1rem 0;
  }

  .article-section + .article-section {
    margin-top: 2.5rem;
  }

  .prose a {
    color: #000000;
    text-decoration: underline;
  }

  .callout,
  .safety-callout,
  .card,
  .signal-card,
  .comparison-wrap,
  .decision-banner,
  .faq-list details {
    break-inside: avoid;
    box-shadow: none;
  }

  .callout,
  .safety-callout,
  .card,
  .signal-card,
  .decision-banner {
    border: 1px solid #777777;
    background: #ffffff;
    color: #000000;
  }

  .decision-banner h2,
  .decision-banner h3,
  .callout--marine h3 {
    color: #000000;
  }

  .comparison-wrap {
    overflow: visible;
  }

  .comparison-table {
    min-width: 0;
    font-size: 8.5pt;
  }

  .faq-list details:not([open]) > *:not(summary) {
    display: block;
  }
}