/* Freedive Eilat · homepage concept (Mr. Make, 10.2026)
   Reference lock: Amaterasu (primary) · SwimClub numerals · Swwim white pill CTA. See DESIGN.md.
   The page is a dive: section backgrounds descend from foam to abyss; the gauge counts 0 → 44 m.
   Everything is scoped under .fde. Logical properties only (RTL first). */

.fde {
  /* depth ramp */
  --foam: #EAF9FC;
  --aqua-1: #D2F3F8;
  --aqua-2: #A6E4EF;
  --aqua-3: #6CCDE2;
  --sea-1: #2AA2CF;
  --sea-2: #1683BE;
  --d24: #0E67A3;
  --d28: #0B5590;
  --d32: #0A4677;
  --d36: #093C6B;
  --d39: #07325D;
  --d42: #062A50;
  --d43: #052344;
  --abyss: #041C38;
  --abyss-2: #03142A;

  --ink: #04213B;
  --ink-2: #2E4C66;
  --white: #FFFFFF;
  --mist: #CFE6F3;
  --brand: #00A0E3;       /* their logo azure: dots, markers, focus only */
  --aqua-ink: #B6ECF4;    /* level labels on deep blue (4.7:1 on the lightest deep section) */

  --hair-d: rgba(255, 255, 255, .16);
  --hair-d2: rgba(255, 255, 255, .28);
  --hair-l: rgba(4, 33, 59, .14);
  --glass-d: rgba(255, 255, 255, .055);

  --r-pill: 999px;
  --r-media: 28px;
  --r-card: 22px;

  --f-sans: 'IBM Plex Sans Hebrew', 'Arial Hebrew', system-ui, sans-serif;
  --f-mono: 'IBM Plex Mono', 'IBM Plex Sans Hebrew', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --t-hero: clamp(2.65rem, 1.15rem + 5.6vw, 6.75rem);
  --t-h2: clamp(2.15rem, 1.25rem + 3.1vw, 4.5rem);
  --t-lead: clamp(1.0625rem, .98rem + .38vw, 1.3125rem);
  --t-body: 1.0625rem;
  --t-small: .9375rem;
  --t-label: .75rem;

  --gutter: clamp(20px, 5vw, 72px);
  --sec-y: clamp(96px, 11vw, 176px);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ---------- base ---------- */
:where(.fde), :where(.fde) *, :where(.fde) *::before, :where(.fde) *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body.fde {
  margin: 0;
  background-color: var(--abyss);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: var(--t-body);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
:where(.fde) :where(img, video, canvas, svg) { display: block; max-inline-size: 100%; }
:where(.fde) img { block-size: auto; }
:where(.fde) :where(h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote) { margin: 0; }
:where(.fde) :where(ul, ol) { padding: 0; list-style: none; }
:where(.fde) a { color: inherit; text-decoration: none; }
/* Concept page: links are present and styled but go nowhere (Lior, 7.10). */
:where(.fde) a:not([href]) { cursor: default; }
:where(.fde) button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }
:where(.fde) .mono { font-family: var(--f-mono); font-feature-settings: "tnum" 1, "zero" 0; letter-spacing: -.01em; }
:where(.fde) ::selection { background: var(--brand); color: #fff; }

.wrap {
  inline-size: 100%;
  max-inline-size: 1440px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
@media (min-width: 1080px) {
  /* the depth gauge lives in the inline-end margin; content never runs under it */
  .wrap { padding-inline-end: max(var(--gutter), 128px); }
}

.skip {
  position: fixed; inset-block-start: 12px; inset-inline-start: 12px; z-index: 100;
  padding: 10px 16px; border-radius: var(--r-pill);
  background: var(--white); color: var(--ink); font-weight: 500;
  transform: translateY(-160%); transition: transform .2s var(--ease);
}
.skip:focus-visible { transform: none; }

:where(.fde) :focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
.breath :focus-visible, .hdr[data-over="light"] :focus-visible { outline-color: var(--ink); }
.sr-only {
  position: absolute !important; inline-size: 1px; block-size: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}

.ico { inline-size: 1.15em; block-size: 1.15em; flex: none; }

/* ---------- shared type ---------- */
.label {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: var(--t-label); font-weight: 500; letter-spacing: .02em;
  color: var(--ink-2);
  margin-block-end: 22px;
}
.label .mono { font-size: .75rem; letter-spacing: .12em; color: var(--ink); }
.label .mono::after {
  content: ""; display: inline-block; inline-size: 28px; block-size: 1px;
  background: currentColor; opacity: .5; vertical-align: middle; margin-inline-start: 12px;
}
.label.on-dark { color: var(--mist); }
.label.on-dark .mono { color: var(--aqua-ink); }

.h2 {
  font-size: var(--t-h2);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -.022em;
  text-wrap: balance;
}
.lead {
  font-size: var(--t-lead);
  line-height: 1.65;
  max-inline-size: 38ch;
  text-wrap: pretty;
}

/* ---------- buttons ---------- */
.btn {
  --btn-h: 54px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  block-size: var(--btn-h);
  padding-inline: 26px;
  border-radius: var(--r-pill);
  font-size: 1rem; font-weight: 500; line-height: 1; white-space: nowrap;
  transition: transform .35s var(--ease-out), background-color .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { --btn-h: 42px; padding-inline: 18px; font-size: .9375rem; }
.btn-lg { --btn-h: 60px; padding-inline: 32px; font-size: 1.0625rem; }
.btn-solid { background-color: var(--white); color: var(--ink); box-shadow: 0 10px 30px -12px rgba(3, 20, 42, .45); }
.btn-solid:hover { box-shadow: 0 16px 36px -14px rgba(3, 20, 42, .55); }
.btn-ghost {
  background-color: rgba(255, 255, 255, .06); color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .42);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.btn-ghost:hover { background-color: rgba(255, 255, 255, .12); }
.btn-ink { background-color: var(--ink); color: var(--white); }
.btn-glass {
  background-color: rgba(4, 28, 56, .55); color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22);
  -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
}
.btn-dot {
  inline-size: 8px; block-size: 8px; border-radius: 50%;
  background-color: var(--brand);
  box-shadow: 0 0 0 0 rgba(0, 160, 227, .55);
  animation: dotPulse 2.6s var(--ease) infinite;
}
@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 160, 227, .55); }
  70% { box-shadow: 0 0 0 10px rgba(0, 160, 227, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 160, 227, 0); }
}
.round {
  display: inline-grid; place-items: center;
  inline-size: 46px; block-size: 46px; border-radius: 50%;
  box-shadow: inset 0 0 0 1px currentColor;
  transition: background-color .3s var(--ease), transform .35s var(--ease-out);
}

/* ---------- header (Liquid Glass capsules, HIG clear variant) ---------- */
.hdr {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: 50;
  padding: 14px clamp(14px, 2.4vw, 32px) 0;
  color: var(--ink);
  pointer-events: none;
  transition: color .35s var(--ease);
}
.hdr[data-over="dark"] { color: var(--white); }
.hdr-in {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-inline-size: 1520px; margin-inline: auto;
}
.hdr .cap, .hdr .round { pointer-events: auto; }
.cap {
  border-radius: var(--r-pill);
  background-color: transparent;
  box-shadow: inset 0 0 0 1px transparent;
  transition: background-color .4s var(--ease), box-shadow .4s var(--ease), -webkit-backdrop-filter .4s var(--ease), backdrop-filter .4s var(--ease);
}
.hdr[data-scrolled="1"] .cap {
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  background-color: rgba(255, 255, 255, .42);
  box-shadow: inset 0 0 0 1px rgba(4, 33, 59, .08), inset 0 1px 0 rgba(255, 255, 255, .6), 0 8px 24px -16px rgba(4, 33, 59, .35);
}
.hdr[data-scrolled="1"][data-over="dark"] .cap {
  background-color: rgba(4, 28, 56, .52);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14), inset 0 1px 0 rgba(255, 255, 255, .16), 0 10px 30px -18px rgba(0, 0, 0, .6);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .hdr[data-scrolled="1"] .cap { background-color: rgba(234, 249, 252, .92); }
  .hdr[data-scrolled="1"][data-over="dark"] .cap { background-color: rgba(4, 28, 56, .9); }
}

.brand { display: inline-flex; align-items: center; gap: 12px; padding-block: 5px; padding-inline: 5px 18px; }
.brand-logo { inline-size: 44px; block-size: 44px; border-radius: 50%; }
.brand-txt { display: grid; line-height: 1.15; }
.brand-txt b { font-weight: 600; font-size: .98rem; letter-spacing: .005em; }
.brand-txt small { font-size: .78rem; font-weight: 400; opacity: .78; }

.nav { display: none; align-items: center; gap: 4px; padding: 5px; }
.nav-list { display: flex; align-items: center; }
.nav-link {
  display: inline-block; padding: 10px 14px; border-radius: var(--r-pill);
  font-size: .9375rem; font-weight: 500; opacity: .86;
  transition: opacity .25s var(--ease), background-color .25s var(--ease);
}
.nav-link:hover { opacity: 1; background-color: rgba(127, 214, 228, .16); }
.nav-lang { font-family: var(--f-mono); font-size: .8rem; letter-spacing: .08em; }
.hdr[data-over="light"] .nav .btn-solid { background-color: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px rgba(4, 33, 59, .35); }

.hdr-mobile { display: flex; align-items: center; gap: 8px; }
.hdr-mobile .round { box-shadow: inset 0 0 0 1px rgba(4, 33, 59, .18); }
.hdr[data-over="dark"] .hdr-mobile .round { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .32); }
.hdr[data-scrolled="1"] .hdr-mobile .round { box-shadow: inset 0 0 0 1px rgba(4, 33, 59, .08), inset 0 1px 0 rgba(255, 255, 255, .6); }
.hdr[data-scrolled="1"][data-over="dark"] .hdr-mobile .round { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16), inset 0 1px 0 rgba(255, 255, 255, .16); }
.dots { display: grid; grid-template-columns: repeat(3, 4px); gap: 4px; }
.dots i { inline-size: 4px; block-size: 4px; border-radius: 50%; background-color: currentColor; }
.hdr-depth {
  display: none;
}

@media (min-width: 1080px) {
  .nav { display: flex; }
  .hdr-mobile { display: none; }
}

/* ---------- depth gauge ---------- */
.gauge {
  position: fixed; z-index: 40;
  inset-inline-end: clamp(16px, 2vw, 34px);
  inset-block-start: 50%;
  block-size: min(58vh, 520px);
  inline-size: 64px;
  transform: translateY(-50%);
  color: var(--ink);
  pointer-events: none;
  transition: color .45s var(--ease), opacity .45s var(--ease);
  display: none;
}
.gauge[data-over="dark"] { color: var(--white); }
.gauge-rail {
  position: absolute; inset-block: 0; inset-inline-end: 0;
  inline-size: 1px; background-color: color-mix(in srgb, currentColor 38%, transparent);
}
.tick {
  position: absolute; inset-block-start: calc(var(--d) / 44 * 100%); inset-inline-end: -3px;
  inline-size: 7px; block-size: 1px; background-color: currentColor; opacity: .55;
}
.tick.major { inline-size: 13px; inset-inline-end: -6px; opacity: .8; }
.tick b {
  position: absolute; inset-block-start: 50%; inset-inline-end: 14px; transform: translateY(-50%);
  font: 500 10px/1 var(--f-mono); letter-spacing: .06em;
}
.gauge-mark {
  position: absolute; inset-inline-end: 0; inset-block-start: calc(var(--p, 0) * 100%);
  display: flex; align-items: center; gap: 10px; flex-direction: row;
  transform: translate(0, -50%);
  will-change: inset-block-start;
}
.gauge-dot {
  order: 2;
  inline-size: 11px; block-size: 11px; border-radius: 50%;
  margin-inline-end: -5px;
  background-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(0, 160, 227, .18), 0 0 16px rgba(0, 160, 227, .7);
}
.gauge-read {
  order: 1;
  display: inline-flex; align-items: baseline; gap: 3px;
  padding: 5px 9px; border-radius: var(--r-pill);
  background-color: rgba(255, 255, 255, .5);
  box-shadow: inset 0 0 0 1px rgba(4, 33, 59, .1);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  white-space: nowrap;
}
.gauge[data-over="dark"] .gauge-read { background-color: rgba(4, 28, 56, .45); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18); }
.gauge-num { font: 500 13px/1 var(--f-mono); min-inline-size: 2ch; text-align: end; }
.gauge-read small { font-size: 11px; opacity: .8; }
@media (max-width: 1079px) {
  .gauge { display: block; inline-size: 10px; block-size: 34vh; inset-inline-end: 5px; }
  .tick { inline-size: 4px; inset-inline-end: -1.5px; }
  .tick.major { inline-size: 7px; inset-inline-end: -3px; }
  .tick b, .gauge-read { display: none; }
  .gauge-dot { inline-size: 7px; block-size: 7px; margin-inline-end: -3px; }
}
@media (min-width: 1080px) { .gauge { display: block; } }

/* ---------- 0 m · hero ---------- */
.hero {
  position: relative;
  min-block-size: 100vh;
  min-block-size: 100svh;
  display: grid;
  align-content: end;
  color: var(--white);
  isolation: isolate;
  overflow: hidden;
  background-color: #0B5E92;
}
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img, .hero-vid {
  position: absolute; inset: 0; inline-size: 100%; block-size: 100%;
  max-inline-size: none;
  object-fit: cover; object-position: 50% 42%;
}
.hero-vid { opacity: 0; z-index: 1; transition: opacity 1.1s var(--ease); }
.hero-vid.is-on { opacity: 1; }
.hero-vid.is-top { z-index: 2; }
.hero-scrim {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to left, rgba(3, 26, 52, .58) 0%, rgba(3, 26, 52, .26) 40%, rgba(3, 26, 52, 0) 66%),
    linear-gradient(to top, rgba(3, 22, 46, .62) 0%, rgba(3, 22, 46, .2) 34%, rgba(3, 22, 46, 0) 56%);
}
.hero-in {
  position: relative;
  padding-block-end: clamp(92px, 13vh, 150px);
  padding-block-start: 120px;
}
.hero-in > * { max-inline-size: min(780px, 100%); }
.hero-in > .hero-h { font-weight: 300; font-size: var(--t-hero); line-height: 1.0; letter-spacing: -.026em; max-inline-size: min(8.6em, 100%); }
.hero-h .kicker {
  display: flex; align-items: center; gap: 10px;
  font-size: clamp(.875rem, .8rem + .25vw, 1rem); font-weight: 500; letter-spacing: .01em; line-height: 1.3;
  margin-block-end: clamp(14px, 1.6vw, 22px);
  opacity: .95;
}
.hero-h .kicker::before {
  content: ""; inline-size: 7px; block-size: 7px; border-radius: 50%;
  background-color: var(--brand); box-shadow: 0 0 12px rgba(0, 160, 227, .9);
}
.hero-line { display: block; }
.hero-sub {
  margin-block-start: clamp(18px, 2vw, 28px);
  font-size: var(--t-lead); line-height: 1.6;
  max-inline-size: 46ch !important; opacity: .94; text-wrap: pretty;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-block-start: clamp(24px, 2.6vw, 36px); }
.hero-trust {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px;
  margin-block-start: clamp(22px, 2.4vw, 32px);
  font-size: .875rem; opacity: .92;
}
.hero-trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust li + li::before {
  content: ""; inline-size: 1px; block-size: 14px; background-color: rgba(255, 255, 255, .45);
  margin-inline-end: 14px;
}
.hero-trust b { font-weight: 600; }
.ico.g { inline-size: 18px; block-size: 18px; }
.hero-foot {
  position: absolute; inset-block-end: 22px; inset-inline: 0;
  display: flex; justify-content: center; pointer-events: none;
}
.scroll-cue {
  display: inline-flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: .75rem; letter-spacing: .04em; opacity: .85;
}
.cue-line { position: relative; inline-size: 1px; block-size: 38px; background-color: rgba(255, 255, 255, .28); overflow: hidden; }
.cue-line::after {
  content: ""; position: absolute; inset-inline: 0; inset-block-start: -40%; block-size: 40%;
  background-color: var(--white);
  animation: cue 2.4s var(--ease) infinite;
}
@keyframes cue { 0% { transform: translateY(0); } 100% { transform: translateY(350%); } }
/* ranges, times and prices never break inside */
:where(.fde) [dir="ltr"], .chips li, .price, .nw { white-space: nowrap; }
.hide-s { display: none !important; }
@media (min-width: 720px) { .hide-s { display: inline-flex !important; } }
@media (max-width: 719px) {
  .hero-foot, .sub-more { display: none; }
  .hero-in { padding-block-end: max(26px, env(safe-area-inset-bottom, 0px) + 18px); }
  .hero-sub { font-size: 1rem; margin-block-start: 14px; }
  .hero-cta { gap: 10px; margin-block-start: 20px; flex-wrap: nowrap; }
  .hero-cta .btn { flex: 1 1 auto; padding-inline: 16px; }
  .hero-trust { margin-block-start: 16px; font-size: .8125rem; }
  .hero-trust li:nth-child(2) { display: none; }
}

/* load-time entrance only (never scroll-gated): the first screen surfaces in sequence */
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero-h .kicker, .hero-line, .hero-sub, .hero-cta, .hero-trust { animation: rise 1s var(--ease-out) both; }
.hero-h .kicker { animation-delay: .1s; }
.hero-line:nth-of-type(2) { animation-delay: .22s; }
.hero-line:nth-of-type(3) { animation-delay: .34s; }
.hero-sub { animation-delay: .5s; }
.hero-cta { animation-delay: .62s; }
.hero-trust { animation-delay: .74s; }

/* ---------- 2–6 m · breath ---------- */
.breath {
  --caustics: url(../img/caustics.webp);
  position: relative;
  padding-block: var(--sec-y);
  color: var(--ink);
  background-color: var(--aqua-1);
  background-image: linear-gradient(180deg, var(--foam) 0%, var(--aqua-1) 48%, var(--aqua-2) 100%);
  overflow: hidden;
}
.breath::before {
  /* caustic light from the surface */
  content: ""; position: absolute; inset: -10% -10% 30%;
  background-image: var(--caustics, none);
  background-size: 900px auto;
  mix-blend-mode: screen; opacity: .32;
  animation: drift 38s linear infinite;
  pointer-events: none;
}
@keyframes drift { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-180px, 90px, 0); } }
.breath-grid {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "copy" "photo" "holder";
  gap: clamp(36px, 5vw, 64px);
}
.breath-copy { grid-area: copy; }
.breath-copy .lead { margin-block-start: 26px; color: var(--ink-2); }
.pull {
  margin-block-start: 34px; padding-inline-start: 22px;
  border-inline-start: 2px solid var(--brand);
  font-size: clamp(1.15rem, 1rem + .6vw, 1.55rem); font-weight: 300; line-height: 1.45;
  max-inline-size: 30ch;
}
.breath-photo {
  grid-area: photo;
  border-radius: var(--r-media); overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: 0 40px 80px -50px rgba(4, 33, 59, .55);
  transform: scale(calc(1 - var(--hold, 0) * .04));
  transition: transform .6s var(--ease);
}
.breath-photo img {
  inline-size: 100%; block-size: 100%; object-fit: cover; object-position: 60% 40%;
  filter: brightness(calc(1 - var(--hold, 0) * .45)) saturate(calc(1 + var(--hold, 0) * .2));
  transition: filter .6s var(--ease);
}

.holder {
  grid-area: holder;
  --hold: 0;
  display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 26px;
  padding: clamp(24px, 3vw, 40px);
  border-radius: var(--r-media);
  background-color: color-mix(in oklab, rgba(255, 255, 255, .62), var(--abyss) calc(var(--hold) * 100%));
  box-shadow: inset 0 0 0 1px var(--hair-l), 0 30px 60px -40px rgba(4, 33, 59, .4);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  transition: color .5s var(--ease);
}
.holder[data-dark="1"] { color: var(--white); }
.holder-ring { position: relative; inline-size: 220px; block-size: 220px; flex: none; }
/* idle: the ring breathes (4 s in, 4 s out) and invites a press */
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.045); } }
.holder[data-state="idle"] .holder-ring { animation: breathe 8s ease-in-out infinite; }
.ring { inline-size: 100%; block-size: 100%; overflow: visible; }
.ring-track { fill: none; stroke: currentColor; stroke-opacity: .16; stroke-width: 1.5; }
.ring-prog {
  fill: none; stroke: var(--brand); stroke-width: 3; stroke-linecap: round;
  stroke-dasharray: 100; stroke-dashoffset: calc(100 - var(--ring, 0));
  transform: rotate(-90deg); transform-origin: 110px 110px;
  filter: drop-shadow(0 0 6px rgba(0, 160, 227, .6));
}
.ring-two { fill: var(--brand); }
.hold-btn {
  position: absolute; inset: 30px;
  display: grid; place-content: center; gap: 4px; text-align: center;
  border-radius: 50%;
  background-color: var(--ink); color: var(--white);
  box-shadow: 0 18px 40px -18px rgba(4, 33, 59, .8), inset 0 1px 0 rgba(255, 255, 255, .12);
  cursor: pointer;
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
  touch-action: none; -webkit-tap-highlight-color: transparent;
  transition: transform .3s var(--ease-out), background-color .3s var(--ease);
}
.hold-btn:hover { transform: scale(1.02); }
.holder[data-state="holding"] .hold-btn { transform: scale(.95); background-color: #062A50; }
.hold-time { font-size: 2.1rem; font-weight: 400; line-height: 1; }
.hold-cta { font-size: .8125rem; font-weight: 500; opacity: .86; }
.holder-text { text-align: center; max-inline-size: 40ch; }
.holder-title { font-weight: 600; font-size: 1.125rem; }
.holder-help { margin-block-start: 8px; font-size: var(--t-small); opacity: .82; }
.holder-result { margin-block-start: 14px; font-size: 1.0625rem; line-height: 1.5; min-block-size: 1.5em; }
.holder-result b { font-family: var(--f-mono); font-weight: 500; font-size: 1.35em; }
.holder-safe {
  display: inline-flex; align-items: center; gap: 8px;
  margin-block-start: 16px; font-size: .8125rem; opacity: .78;
}

@media (min-width: 720px) {
  .holder { grid-template-columns: auto minmax(0, 1fr); justify-items: start; align-items: center; }
  .holder-text { text-align: start; max-inline-size: 46ch; }
}
@media (min-width: 720px) and (max-width: 1079px) {
  .breath-photo { aspect-ratio: 16 / 10; }
  .founder-photos { max-inline-size: 640px; }
}
@media (min-width: 1080px) {
  .breath-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    grid-template-areas: "copy photo" "holder photo";
    column-gap: clamp(48px, 6vw, 120px);
    align-items: start;
  }
  .breath-photo { align-self: stretch; aspect-ratio: auto; min-block-size: 640px; }
}

/* ---------- 6–24 m · descent film ---------- */
.film {
  position: relative;
  block-size: 340vh;
  background-color: var(--d24);
  background-image: linear-gradient(180deg, #0F6FA8 0%, var(--d24) 100%);
  color: var(--white);
}
.film-pin { position: sticky; inset-block-start: 0; block-size: 100vh; block-size: 100lvh; overflow: hidden; }
.film-canvas, .film-fallback, .film-fallback img {
  position: absolute; inset: 0; inline-size: 100%; block-size: 100%; max-inline-size: none;
}
.film-fallback img { object-fit: cover; object-position: 50% 30%; }
.film-canvas { z-index: 1; opacity: 0; transition: opacity .6s var(--ease); }
.film-canvas.is-on { opacity: 1; }
.film-scrim {
  position: absolute; inset: 0; z-index: 2;
  background-image:
    linear-gradient(to bottom, rgba(3, 22, 46, .5), rgba(3, 22, 46, 0) 20%),
    linear-gradient(to left, rgba(3, 26, 52, .52) 0%, rgba(3, 26, 52, .22) 36%, rgba(3, 26, 52, 0) 60%),
    linear-gradient(to top, rgba(3, 22, 46, .35), rgba(3, 22, 46, 0) 40%);
}
.film-copy {
  position: relative; z-index: 3;
  block-size: 100%;
  display: flex; flex-direction: column; justify-content: center;
}
.film-copy > * { max-inline-size: 520px; }
.film-copy .h2 { margin-block-end: clamp(26px, 3vw, 40px); }
.stages { display: grid; gap: 4px; counter-reset: s; }
.stage {
  display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 4px;
  padding-block: 14px;
  border-block-start: 1px solid var(--hair-d);
  opacity: .72;
  transition: opacity .5s var(--ease);
}
.stage:last-child { border-block-end: 1px solid var(--hair-d); }
.stage.is-on { opacity: 1; }
.stage-n { font-size: .8125rem; color: var(--aqua-ink); padding-block-start: 4px; letter-spacing: .08em; }
.stage b { display: block; font-weight: 500; font-size: 1.125rem; }
.stage span:not(.stage-n) { display: block; font-size: var(--t-small); color: var(--mist); line-height: 1.55; }
.film-note { margin-block-start: 22px; font-size: var(--t-small); color: var(--mist); }
.film-depth {
  position: absolute; z-index: 3;
  inset-inline-end: clamp(110px, 9vw, 150px); inset-block-end: clamp(28px, 6vh, 64px);
  display: flex; align-items: baseline; gap: 8px;
  color: rgba(255, 255, 255, .92);
}
.film-depth b { font-weight: 300; font-size: clamp(3.5rem, 2rem + 6vw, 8.5rem); line-height: .9; letter-spacing: -.05em; }
.film-depth small { font-family: var(--f-sans); font-size: 1.25rem; opacity: .8; }

@media (max-width: 719px), (max-aspect-ratio: 4/5) {
  .film { block-size: 300vh; }
  .film-scrim {
    background-image: linear-gradient(to top, rgba(3, 22, 46, .88) 0%, rgba(3, 22, 46, .62) 34%, rgba(3, 22, 46, 0) 62%);
  }
  .film-copy { justify-content: flex-end; padding-block-end: 104px; }
  .film-copy .label { display: none; }
  .film-copy .h2 { font-size: 1.85rem; margin-block-end: 12px; }
  .film-copy .h2 br { display: none; }
  .stage { padding-block: 9px; }
  .stage b { font-size: 1rem; }
  .stage span:not(.stage-n) { font-size: .875rem; }
  .js .stages .stage:not(.is-on) span:not(.stage-n) { display: none; }
  .film-note { display: none; }
  .film-depth { inset-inline-end: 20px; inset-block-start: 84px; inset-block-end: auto; }
  .film-depth b { font-size: 3.4rem; }
}

/* ---------- 24–28 m · lighthouse beach ---------- */
.site {
  position: relative;
  padding-block: var(--sec-y);
  color: var(--white);
  background-color: var(--d24);
  background-image:
    radial-gradient(120% 70% at 70% -10%, rgba(127, 214, 228, .22), rgba(127, 214, 228, 0) 60%),
    linear-gradient(180deg, var(--d24) 0%, var(--d28) 100%);
}
.site-grid {
  display: grid; grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "copy" "num" "photo";
  gap: clamp(32px, 4vw, 56px);
}
.site-copy { grid-area: copy; }
.site-copy .lead { margin-block-start: 26px; color: var(--mist); }
.site-num { grid-area: num; display: flex; align-items: flex-start; gap: 10px; }
.big {
  font-size: clamp(9rem, 4rem + 20vw, 22rem);
  font-weight: 300; line-height: .78; letter-spacing: -.07em;
  background-image: linear-gradient(180deg, #FFFFFF 10%, #8FDDEB 70%, rgba(143, 221, 235, .25) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.big-unit { font-size: clamp(1.5rem, 1rem + 1.6vw, 2.6rem); font-weight: 300; margin-block-start: .3em; color: var(--mist); }
.facts { margin-block-start: 40px; display: grid; gap: 0; }
.facts li {
  display: grid; grid-template-columns: minmax(0, 9rem) minmax(0, 1fr); gap: 16px; align-items: baseline;
  padding-block: 16px; border-block-start: 1px solid var(--hair-d);
}
.facts li:last-child { border-block-end: 1px solid var(--hair-d); }
.facts b { font-weight: 500; font-size: 1.0625rem; }
.facts b.mono { font-weight: 500; }
.facts span { color: var(--mist); font-size: var(--t-small); }
.site-photo { grid-area: photo; }
.site-photo img { inline-size: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--r-media); }
.site-photo figcaption {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-block-start: 14px; font-size: .8125rem; color: var(--mist);
}
.site-photo figcaption .mono { letter-spacing: .1em; font-size: .72rem; }
@media (min-width: 1080px) {
  .site-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    grid-template-areas: "copy num" "photo photo";
    align-items: end;
    row-gap: clamp(56px, 6vw, 96px);
  }
  .site-num { justify-content: flex-end; }
  .site-photo img { aspect-ratio: 21 / 9; }
}

/* ---------- 28–34 m · courses on the line ---------- */
.courses {
  position: relative;
  padding-block: var(--sec-y);
  color: var(--white);
  background-color: var(--d28);
  background-image: linear-gradient(180deg, var(--d28) 0%, var(--d32) 100%);
}
.sec-head .lead { margin-block-start: 24px; color: var(--mist); }
.line {
  --rope: 15px;
  position: relative;
  display: grid; gap: 20px;
  margin-block-start: clamp(48px, 6vw, 88px);
  padding-inline-start: 46px;
}
.line::before {
  content: ""; position: absolute; inset-block: -24px 0; inset-inline-start: var(--rope);
  inline-size: 2px; border-radius: 2px;
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .7) 6%, rgba(255, 255, 255, .55) 85%, rgba(255, 255, 255, 0));
}
.stop { position: relative; }
.buoy {
  position: absolute; inset-block-start: 30px; inset-inline-start: calc(var(--rope) - 46px - 6px);
  inline-size: 14px; block-size: 14px; border-radius: 50%;
  background-color: var(--d28);
  box-shadow: inset 0 0 0 2px var(--white), 0 0 0 5px rgba(255, 255, 255, .08);
}
.stop-intro .buoy { background-color: var(--brand); box-shadow: inset 0 0 0 2px var(--white), 0 0 18px rgba(0, 160, 227, .8); }
.card {
  position: relative;
  padding: clamp(22px, 2.4vw, 32px);
  border-radius: var(--r-card);
  background-color: var(--glass-d);
  box-shadow: inset 0 0 0 1px var(--hair-d), inset 0 1px 0 rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  transition: transform .45s var(--ease-out), background-color .45s var(--ease);
}
.card:hover { transform: translateY(-3px); background-color: rgba(255, 255, 255, .08); }
.card-level { font-size: .78rem; letter-spacing: .14em; color: var(--aqua-ink); margin-block-end: 8px; }
.card-h { font-size: clamp(1.45rem, 1.2rem + .8vw, 1.9rem); font-weight: 400; line-height: 1.15; letter-spacing: -.01em; }
.card-p { margin-block-start: 12px; color: var(--mist); font-size: var(--t-small); max-inline-size: 46ch; }
.card-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8125rem; font-weight: 500; color: var(--aqua-ink); margin-block-end: 10px;
}
.card-tag::before { content: ""; inline-size: 6px; block-size: 6px; border-radius: 50%; background-color: var(--brand); box-shadow: 0 0 10px rgba(0, 160, 227, .9); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-block-start: 16px; }
.chips li {
  padding: 6px 12px; border-radius: var(--r-pill);
  font-size: .8125rem; color: var(--mist);
  box-shadow: inset 0 0 0 1px var(--hair-d2);
}
.goals-h { margin-block-start: 20px; font-size: .75rem; color: var(--mist); }
.goals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-block-start: 8px; }
.goals div { padding-block-start: 12px; border-block-start: 1px solid var(--hair-d); }
.goals dt { font-size: .75rem; color: var(--mist); }
.goals dd { font-size: 1.125rem; margin-block-start: 2px; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-block-start: 22px; }
.price { font-size: 1.5rem; font-weight: 400; letter-spacing: -.02em; }
.card-feature { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0; overflow: hidden; }
.card-feature .card-body { padding: clamp(22px, 2.6vw, 36px); }
.card-photo { aspect-ratio: 16 / 10; overflow: hidden; }
.card-photo img { inline-size: 100%; block-size: 100%; object-fit: cover; object-position: 50% 35%; }

.extras {
  margin-block-start: clamp(48px, 5vw, 72px);
  padding-block-start: 32px; border-block-start: 1px solid var(--hair-d);
  display: grid; gap: 24px;
}
.extras-h { font-size: .8125rem; color: var(--aqua-ink); letter-spacing: .02em; }
.extras-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.extras-list li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding-block: 14px; border-block-end: 1px solid var(--hair-d);
}
.extras-list b { font-weight: 500; }
.extras-list span { color: var(--mist); font-size: var(--t-small); text-align: end; }
.extras-cta { display: flex; flex-wrap: wrap; gap: 12px; }

@media (min-width: 720px) {
  .extras-list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; }
}
@media (min-width: 1080px) {
  .line {
    padding-inline-start: 0;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 120px; row-gap: 0;
  }
  .line::before { inset-inline-start: calc(50% - 1px); }
  .stop-intro { grid-column: 1 / -1; grid-row: 1; margin-block-end: 64px; }
  .stop:not(.stop-intro) { padding-block-end: 22px; }
  .stop:nth-child(2) { grid-column: 1; grid-row: 2 / span 2; }
  .stop:nth-child(3) { grid-column: 2; grid-row: 3 / span 2; }
  .stop:nth-child(4) { grid-column: 1; grid-row: 4 / span 2; }
  .stop:nth-child(5) { grid-column: 2; grid-row: 5 / span 2; }
  .stop:nth-child(6) { grid-column: 1; grid-row: 6 / span 2; }
  .stop:nth-child(even) .buoy { inset-inline-start: calc(100% + 60px - 7px); }
  .stop:nth-child(odd) .buoy { inset-inline-start: calc(-60px - 7px); }
  .stop-intro .buoy { inset-inline-start: calc(50% - 7px) !important; inset-block-start: -7px; }
  .stop-intro .card-feature { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
  .stop-intro .card-photo { order: 2; aspect-ratio: auto; min-block-size: 100%; }
  .extras { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
  .extras-h { grid-column: 1 / -1; }
}

/* ---------- 34–37 m · training ---------- */
.train {
  position: relative;
  padding-block: var(--sec-y);
  color: var(--white);
  background-color: var(--d32);
  background-image: linear-gradient(180deg, var(--d32) 0%, var(--d36) 100%);
}
.sec-head-row { display: grid; gap: 24px; }
.sec-head-row .lead { margin-block-start: 0; }
.train-grid {
  display: grid; grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "a" "list" "b";
  gap: 20px;
  margin-block-start: clamp(40px, 5vw, 72px);
}
.train-photo { border-radius: var(--r-media); overflow: hidden; }
.train-photo img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.tp-a { grid-area: a; aspect-ratio: 3 / 2; }
.tp-b { grid-area: b; aspect-ratio: 4 / 5; }
.train-list { grid-area: list; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.tcard {
  display: flex; flex-direction: column;
  padding: 22px 24px; border-radius: var(--r-card);
  background-color: var(--glass-d);
  box-shadow: inset 0 0 0 1px var(--hair-d);
}
.tcard-k { font-size: .75rem; color: var(--aqua-ink); letter-spacing: .12em; }
.tcard h3 { font-weight: 500; font-size: 1.25rem; margin-block-start: 6px; }
.tcard p:not(.tcard-k) { color: var(--mist); font-size: var(--t-small); margin-block-start: 6px; line-height: 1.55; }
.tcard .price { margin-block-start: auto; padding-block-start: 14px; align-self: flex-end; font-size: 1.35rem; }
.train-note { margin-block-start: 24px; color: var(--mist); font-size: var(--t-small); }
@media (min-width: 720px) {
  .train-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .train-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "a b" "list list"; }
  .tp-a, .tp-b { aspect-ratio: 4 / 3; }
}
@media (min-width: 1080px) {
  .sec-head-row { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); align-items: end; column-gap: clamp(48px, 6vw, 120px); }
  .train-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) minmax(0, 2.4fr);
    grid-template-areas: "list a b";
    align-items: stretch;
  }
  .tp-a, .tp-b { aspect-ratio: auto; }
  .train-list { align-content: start; }
}

/* ---------- 37–40 m · founder + crew ---------- */
.team {
  position: relative;
  padding-block: var(--sec-y);
  color: var(--white);
  background-color: var(--d36);
  background-image: linear-gradient(180deg, var(--d36) 0%, var(--d39) 100%);
}
.founder { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-areas: "copy" "photos"; gap: clamp(36px, 5vw, 64px); }
.founder-copy { grid-area: copy; }
.founder-photos { grid-area: photos; position: relative; padding-block-end: 18%; }
.fp-main { border-radius: var(--r-media); overflow: hidden; aspect-ratio: 4 / 3; }
.fp-main img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.fp-side {
  position: absolute; inset-inline-end: 6%; inset-block-end: 0;
  inline-size: 38%;
}
.fp-side img {
  inline-size: 100%; aspect-ratio: 3 / 4; object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 0 0 6px var(--d36), 0 30px 60px -30px rgba(0, 0, 0, .7);
}
.fp-side figcaption { margin-block-start: 12px; font-size: .75rem; color: var(--mist); line-height: 1.4; }
.roles {
  display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 18px;
  margin-block: 14px 26px; font-family: var(--f-sans); font-size: .8125rem; letter-spacing: .02em; color: var(--aqua-ink);
}
.roles li { white-space: nowrap; }
.founder-copy .lead { color: var(--mist); max-inline-size: 44ch; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin-block-start: 40px; }
.stats div { padding-block: 20px; border-block-start: 1px solid var(--hair-d); display: flex; flex-direction: column-reverse; gap: 6px; }
.stats div:nth-child(odd) { padding-inline-end: 20px; }
.stats dd { font-size: clamp(3rem, 2rem + 3.4vw, 5.5rem); font-weight: 300; line-height: .9; letter-spacing: -.05em; }
.stats dt { font-size: .875rem; color: var(--mist); line-height: 1.4; }
.crew { margin-block-start: clamp(64px, 8vw, 120px); }
.crew-h { font-size: .8125rem; color: var(--aqua-ink); margin-block-end: 20px; }
.crew-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.mate {
  display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 18px; align-items: center;
  padding: 14px; border-radius: var(--r-card);
  background-color: var(--glass-d); box-shadow: inset 0 0 0 1px var(--hair-d);
}
.mate img { inline-size: 84px; block-size: 84px; border-radius: 16px; object-fit: cover; object-position: 50% 25%; }
.mate b { display: block; font-weight: 500; font-size: 1.0625rem; }
.mate span { display: block; color: var(--mist); font-size: .875rem; line-height: 1.5; margin-block-start: 2px; }
@media (min-width: 720px) {
  .crew-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mate { grid-template-columns: minmax(0, 1fr); align-items: start; padding: 12px 12px 22px; }
  .mate img { inline-size: 100%; block-size: auto; aspect-ratio: 4 / 3; border-radius: 14px; }
  .mate div { padding-inline: 8px; }
}
@media (min-width: 1080px) {
  .founder { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); grid-template-areas: "copy photos"; column-gap: clamp(48px, 6vw, 120px); align-items: center; }
}

/* ---------- 40–42 m · reviews ---------- */
.reviews {
  position: relative;
  padding-block: var(--sec-y);
  color: var(--white);
  background-color: var(--d39);
  background-image: linear-gradient(180deg, var(--d39) 0%, var(--d42) 100%);
}
.rev-head { display: grid; justify-items: start; gap: 22px; }
.rev-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 16px; border-radius: var(--r-pill);
  background-color: rgba(255, 255, 255, .07); color: var(--white);
  box-shadow: inset 0 0 0 1px var(--hair-d2);
  font-size: .875rem;
}
.rev-badge b { font-weight: 600; }
.stars { color: #FBBC04; letter-spacing: 1px; font-size: .9rem; }
.quote-h { font-size: clamp(2.2rem, 1.2rem + 3.6vw, 5rem); }
.quote-block { margin: 0; }
.rev-src { color: var(--mist); font-size: var(--t-small); }
.rev-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; margin-block-start: clamp(40px, 5vw, 72px); }
.rev {
  display: flex; flex-direction: column; gap: 18px;
  padding: clamp(22px, 2.4vw, 32px); border-radius: var(--r-card);
  background-color: var(--glass-d); box-shadow: inset 0 0 0 1px var(--hair-d);
}
.rev blockquote p { font-size: 1.0625rem; line-height: 1.65; font-weight: 300; }
.rev-by { margin-block-start: auto; display: flex; justify-content: space-between; gap: 12px; font-size: .875rem; }
.rev-by b { font-weight: 500; }
.rev-by span { color: var(--mist); font-family: var(--f-mono); font-size: .75rem; letter-spacing: .04em; }
.rev-chart {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
  block-size: 170px; align-items: start;
  padding: 0 4px; border-block-start: 2px solid rgba(255, 255, 255, .7);
}
.bar {
  position: relative; block-size: calc(var(--d) / 20 * 100%);
  border-radius: 0 0 14px 14px;
  background-image: linear-gradient(180deg, rgba(127, 214, 228, .5), rgba(0, 160, 227, .2));
  box-shadow: inset 0 0 0 1px rgba(127, 214, 228, .35);
  display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 2px;
  padding-block-end: 10px;
}
.bar-b { background-image: linear-gradient(180deg, rgba(143, 221, 235, .6), rgba(143, 221, 235, .15)); }
.bar span { font-size: 1.05rem; }
.bar small { font-size: .7rem; color: var(--mist); }
@media (min-width: 1080px) {
  .rev-list { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) minmax(0, 1fr); }
}

/* ---------- 42–43 m · FAQ ---------- */
.faq {
  position: relative;
  padding-block: var(--sec-y);
  color: var(--white);
  background-color: var(--d42);
  background-image: linear-gradient(180deg, var(--d42) 0%, var(--d43) 100%);
}
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(36px, 5vw, 64px); }
.faq-photo { margin-block-start: 36px; border-radius: var(--r-media); overflow: hidden; aspect-ratio: 4 / 3; display: none; }
.faq-photo img { inline-size: 100%; block-size: 100%; object-fit: cover; }
.qa details { border-block-end: 1px solid var(--hair-d); }
.qa details:first-child { border-block-start: 1px solid var(--hair-d); }
.qa summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding-block: 22px; cursor: pointer; list-style: none;
  font-size: clamp(1.0625rem, 1rem + .3vw, 1.25rem); font-weight: 400;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: ""; flex: none; inline-size: 30px; block-size: 30px; border-radius: 50%;
  box-shadow: inset 0 0 0 1px var(--hair-d2);
  background-image: linear-gradient(currentColor, currentColor), linear-gradient(currentColor, currentColor);
  background-size: 11px 1.5px, 1.5px 11px; background-position: center; background-repeat: no-repeat;
  transition: transform .35s var(--ease), background-size .35s var(--ease);
}
.qa details[open] summary::after { background-size: 11px 1.5px, 1.5px 0; transform: rotate(180deg); }
.qa details p { padding-block-end: 24px; color: var(--mist); max-inline-size: 60ch; }
@media (min-width: 1080px) {
  .faq-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); column-gap: clamp(48px, 6vw, 120px); align-items: start; }
  .faq-photo { display: block; }
}

/* ---------- 44 m · final ---------- */
.final {
  position: relative; isolation: isolate; overflow: hidden;
  min-block-size: 100vh; min-block-size: 100svh;
  display: grid; align-content: end;
  color: var(--white);
  background-color: var(--abyss);
}
.final-media { position: absolute; inset: 0; z-index: -1; }
.final-media img {
  position: absolute; inset: 0; inline-size: 100%; block-size: 100%; max-inline-size: none;
  object-fit: cover; object-position: 50% 30%;
}
.final-light {
  position: absolute; inset: -20% -10% 35%;
  background-image: url(../img/caustics.webp);
  background-size: 760px auto;
  mix-blend-mode: screen; opacity: .16;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
  transform: perspective(600px) rotateX(55deg) scale(1.6);
  transform-origin: 50% 0%;
  animation: causticShift 46s linear infinite;
  pointer-events: none;
}
@keyframes causticShift { to { background-position: -760px 380px; } }
.final-scrim {
  position: absolute; inset: 0;
  background-image: linear-gradient(180deg, rgba(5, 35, 68, 1) 0%, rgba(5, 35, 68, 0) 16%, rgba(3, 20, 42, 0) 42%, rgba(3, 20, 42, .72) 78%, var(--abyss) 100%);
}
.final-in { position: relative; padding-block: 160px clamp(56px, 8vh, 96px); text-align: center; display: grid; justify-items: center; }
.final-in .label {
  justify-content: center; padding: 7px 16px; border-radius: var(--r-pill);
  background-color: rgba(3, 20, 42, .5); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.final-in .label .mono::after { display: none; }
.final-h { font-size: clamp(3.4rem, 1.6rem + 8vw, 10rem); font-weight: 300; line-height: .95; letter-spacing: -.04em; }
.final-in .lead { margin-block-start: 22px; color: var(--mist); margin-inline: auto; }
.final-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-block-start: 34px; }
.final-info {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 32px;
  margin-block-start: 34px; font-size: var(--t-small); color: var(--mist);
}
.final-info li { display: inline-flex; align-items: center; gap: 8px; }
.mini-link { color: var(--white); border-block-end: 1px solid rgba(255, 255, 255, .4); margin-inline-start: 6px; }
.surface { margin-block-start: 40px; color: rgba(255, 255, 255, .8); }
@media (min-width: 720px) {
  /* out of the stack, so the headline sits clear of the diver in the light */
  .surface { position: absolute; margin: 0; inset-block-end: clamp(56px, 8vh, 96px); inset-inline-start: var(--gutter); }
}
@media (max-width: 719px) {
  .final { min-block-size: max(100svh, 900px); }
  .final-media img { object-position: 50% 0%; }
  .final-in { padding-block: 0 calc(40px + env(safe-area-inset-bottom, 0px)); }
  .final-cta { flex-direction: column; align-items: stretch; inline-size: 100%; max-inline-size: 360px; }
  .final-info { flex-direction: column; align-items: center; gap: 10px; }
  .surface { margin-block-start: 28px; }
}
.surface:hover { background-color: rgba(255, 255, 255, .08); transform: translateY(-3px); }

/* ---------- footer ---------- */
.foot {
  color: var(--mist);
  background-color: var(--abyss);
  background-image: linear-gradient(180deg, var(--abyss) 0%, var(--abyss-2) 100%);
  padding-block: clamp(64px, 7vw, 96px) 28px;
  font-size: var(--t-small);
}
.foot-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; }
.foot-brand img { inline-size: 88px; block-size: 88px; }
.foot-tag { margin-block: 16px 10px; font-size: .72rem; letter-spacing: .2em; color: var(--aqua-ink); }
.foot-brand p:not(.foot-tag) { max-inline-size: 34ch; }
.social { display: flex; gap: 10px; margin-block-start: 22px; }
.social .round { inline-size: 42px; block-size: 42px; color: var(--white); box-shadow: inset 0 0 0 1px var(--hair-d2); }
.social .round:hover { background-color: rgba(255, 255, 255, .08); }
.foot-h { color: var(--white); font-weight: 500; margin-block-end: 14px; }
.foot-col ul { display: grid; gap: 9px; }
.foot-col a { transition: color .25s var(--ease); }
.foot-col a:hover { color: var(--white); }
.foot-contact { color: var(--mist); }
.foot-bar {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 40px;
  margin-block-start: 56px; padding-block-start: 22px; border-block-start: 1px solid var(--hair-d);
  font-size: .8125rem; color: rgba(207, 230, 243, .7);
}
.foot-note { max-inline-size: 70ch; }
.foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
.foot-brand { grid-column: 1 / -1; }
@media (min-width: 1080px) { .foot-brand { grid-column: auto; } }
@media (min-width: 1080px) { .foot-grid { grid-template-columns: minmax(0, 1.6fr) repeat(4, minmax(0, 1fr)); } }

/* ---------- phone dock ---------- */
.dock {
  position: fixed; z-index: 45;
  inset-inline: 12px; inset-block-end: calc(12px + env(safe-area-inset-bottom, 0px));
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px;
  padding: 6px; border-radius: var(--r-pill);
  background-color: rgba(4, 28, 56, .78);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16), 0 18px 40px -18px rgba(0, 0, 0, .6);
  -webkit-backdrop-filter: blur(20px) saturate(170%); backdrop-filter: blur(20px) saturate(170%);
  transform: translateY(140%);
  transition: transform .5s var(--ease-out);
}
.dock.is-on { transform: none; }
.dock .btn { --btn-h: 48px; padding-inline: 20px; }
.dock .dock-wa { inline-size: 48px; block-size: 48px; color: var(--white); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .32); }
@media (min-width: 1080px) { .dock { display: none; } }

/* ---------- review round 2 (7.10): measured by the design review, kept apart for traceability ---------- */
/* big numerals: Plex Sans tabular figures (Plex Mono's dotted zero reads like a terminal) */
.stats dd, .film-depth b, .hold-time, .price, .bar span, .big { font-family: var(--f-sans); font-variant-numeric: tabular-nums; }
.hero-h { text-shadow: 0 1px 2px rgba(3, 26, 52, .2), 0 12px 48px rgba(3, 26, 52, .45); }
.hero-sub { text-wrap: balance; }
.film-depth { text-shadow: 0 2px 24px rgba(3, 22, 46, .5); }
.goals dd { white-space: nowrap; }
.stats div { align-items: flex-start; justify-content: flex-end; }
.mate { align-content: start; }
.holder[data-state="idle"] .holder-result { display: none; }
.courses, .train, .team, .reviews, .faq { padding-block-start: clamp(64px, 6vw, 104px); }
.train-photo { position: relative; }
.tp-b::after {
  /* their depth-training photo, graded toward the page blue; the photographer's credit stays */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-color: #0B4F86; mix-blend-mode: color; opacity: .35;
}
.big-cap { display: none; }
.bar small { font-size: .8125rem; }
.foot-tag { font-size: .75rem; }
/* the last two rungs carry only a title and a price: one compact row */
.stop:nth-child(n+5) .card { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; column-gap: 16px; }
.stop:nth-child(n+5) .card-level { grid-column: 1 / -1; }
.stop:nth-child(n+5) .card-foot { margin-block-start: 0; }
@media (min-width: 1080px) {
  .final-media img { inset-block-start: -14%; block-size: 114%; }
  .final-h { font-size: clamp(3.4rem, 1rem + 6.4vw, 9rem); }
  .final-in { padding-block-end: clamp(36px, 5vh, 72px); }
  .final-in .lead { margin-block-start: 14px; }
  .final-cta, .final-info { margin-block-start: 24px; }
  .surface { inset-block-end: clamp(36px, 5vh, 72px); inset-inline-start: auto; inset-inline-end: max(var(--gutter), 128px); }
  .film-copy { padding-block: 96px 40px; }
  .rev-list { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
  .rev-depth { grid-row: span 2; }
  .hdr { padding-inline: 0; }
  .hdr-in { max-inline-size: 1440px; padding-inline: calc(var(--gutter) - 5px); }
}
@media (min-width: 1080px) and (max-height: 800px) { .hero-foot { display: none; } }
@media (max-width: 1079px) {
  .site-num { flex-wrap: wrap; align-items: flex-end; }
  .big-cap { display: block; flex-basis: 100%; margin-block-start: 12px; font-size: var(--t-small); color: var(--mist); }
  .facts li:first-child { display: none; }
  .facts li:nth-child(2) { border-block-start: 1px solid var(--hair-d); }
}
@media (min-width: 720px) and (max-width: 1079px) {
  .stop:not(.stop-intro) .card { max-inline-size: 560px; }
  .dock { max-inline-size: 460px; margin-inline: auto; }
}
@media (max-width: 719px) {
  .surface { display: none; }
  .foot-col:last-child { display: none; }
  .foot-col ul { gap: 0; }
  .foot-col a { display: block; padding-block: 7px; }
  .social .round { inline-size: 44px; block-size: 44px; }
  .foot-brand img { inline-size: 56px; block-size: 56px; }
}
@media (max-width: 719px) and (max-height: 700px) {
  .hero-in { padding-block-end: 10px; }
  .hero-trust { margin-block-start: 10px; }
}
/* portrait film: the frame rises as the diver sinks, so the copy never covers her */
@media (max-width: 719px), (max-aspect-ratio: 4/5) {
  .film-pin { background-color: #03142A; }
  .film-canvas, .film-fallback { transform: translateY(calc(var(--fp, 0) * -18%)); }
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  .fde *, .fde *::before, .fde *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .hero-vid { display: none; }
  .film { block-size: auto; }
  .film-pin { position: relative; block-size: auto; min-block-size: 100svh; }
  .film-canvas { display: none; }
  .stage { opacity: 1; }
  .stages .stage span:not(.stage-n) { display: block !important; }
}
@media (prefers-reduced-transparency: reduce) {
  .hdr[data-scrolled="1"] .cap { -webkit-backdrop-filter: none; backdrop-filter: none; background-color: rgba(234, 249, 252, .96); }
  .hdr[data-scrolled="1"][data-over="dark"] .cap { background-color: rgba(4, 28, 56, .96); }
}