/* ───────── tokens ───────── */
:root {
  --water: #1689ad;
  --rays: 1;
  --ink: #eef9fc;
  --ink-dim: rgba(238, 249, 252, .76);
  --ink-faint: rgba(238, 249, 252, .5);
  --navy: #0b2340;
  --teal: #66e6d8;
  --amber: #ffc36b;
  --smb: #ff7a3d;          /* surface marker buoy orange */
  --smb-dark: #c8501f;
  --card: rgba(255, 255, 255, .07);
  --card-line: rgba(255, 255, 255, .15);
  --slate: #f4f1e7;
  --slate-ink: #10273f;
  --slate-line: rgba(16, 39, 63, .08);
  --round: ui-rounded, "SF Pro Rounded", "Nunito", "Segoe UI", system-ui, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: clamp(16px, 4vw, 40px);
  --sky-h: 40svh;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: #1689ad;
  color: var(--ink);
  font: 17px/1.55 var(--sans);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--round); line-height: 1.08; margin: 0; letter-spacing: -.015em; }
p { margin: 0; }
img, svg { display: block; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 8px; }

/* ───────── ambient layers ───────── */
.water { position: fixed; inset: 0; z-index: -3; background: var(--water); transition: background-color .25s linear; }
.water::after { /* soft vignette for depth */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 50% 0%, transparent 40%, rgba(0, 0, 0, .28));
}
.rays { position: fixed; inset: 0 0 auto 0; height: 110vh; z-index: -2; pointer-events: none; opacity: var(--rays); overflow: hidden; }
.rays i {
  position: absolute; top: -20vh; width: 14vw; height: 130vh;
  background: linear-gradient(rgba(255, 255, 255, .22), rgba(255, 255, 255, 0) 80%);
  transform-origin: top center; filter: blur(14px);
  animation: ray 9s ease-in-out infinite alternate;
}
.rays i:nth-child(1) { left: 8%;  transform: rotate(14deg); }
.rays i:nth-child(2) { left: 34%; transform: rotate(6deg);  width: 8vw; animation-delay: -3s; }
.rays i:nth-child(3) { left: 58%; transform: rotate(-4deg); width: 18vw; animation-delay: -5s; }
.rays i:nth-child(4) { left: 82%; transform: rotate(-12deg); width: 9vw; animation-delay: -1s; }
@keyframes ray { from { opacity: .35; } to { opacity: 1; } }
#bubbles { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }

/* ───────── HUD: dive computer ───────── */
.hud {
  position: fixed; right: 16px; bottom: 16px; z-index: 50;
  display: grid; gap: 1px; min-width: 132px;
  padding: 10px 14px 9px;
  font-family: var(--mono); color: #c4ffe6;
  background: #070b10; border: 3px solid #2a3542; border-radius: 22px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45), inset 0 0 0 1px rgba(255, 255, 255, .05);
  text-shadow: 0 0 8px rgba(130, 255, 205, .45);
  transition: opacity .3s, transform .3s;
}
.hud::before, .hud::after { /* strap stubs */
  content: ""; position: absolute; left: 50%; width: 64px; height: 10px; translate: -50% 0;
  background: #1b232d; border-radius: 4px;
}
.hud::before { top: -12px; border-radius: 6px 6px 0 0; }
.hud::after { bottom: -12px; border-radius: 0 0 6px 6px; }
.hud-row { display: flex; align-items: baseline; gap: 6px; font-size: 12px; }
.hud-l { opacity: .55; font-size: 10px; letter-spacing: .08em; width: 40px; }
.hud-main b { font-size: 28px; line-height: 1.05; font-weight: 700; }
.hud-u { opacity: .7; font-size: 11px; }
.hud-alert {
  position: absolute; inset: 0; display: grid; place-items: center;
  border-radius: 19px; background: #070b10; color: #ffb36b; font-weight: 800; font-size: 20px; letter-spacing: .08em;
  text-shadow: 0 0 10px rgba(255, 150, 60, .6); opacity: 0; pointer-events: none;
}
.hud.alarm .hud-alert { opacity: 1; animation: blink .4s steps(2) infinite; }
.hud.stop .hud-alert { opacity: 1; color: #c4ffe6; text-shadow: 0 0 10px rgba(130, 255, 205, .6); animation: none; font-size: 15px; }
@keyframes blink { 50% { opacity: .2; } }
.hud.away { opacity: 0; transform: translateY(20px); pointer-events: none; }

/* ───────── HERO / SURFACE ───────── */
.hero {
  position: relative; min-height: 100svh; overflow: clip;
  padding: calc(var(--sky-h) + 56px) var(--gutter) 12vh;
  display: flex; flex-direction: column; justify-content: flex-start;
}
.sky {
  position: absolute; inset: 0 0 auto 0; height: var(--sky-h); overflow: hidden;
  background: linear-gradient(#fff3df 0%, #d7f1f2 55%, #a9e1ea 100%);
}
.sun { position: absolute; right: 18%; top: 18%; width: 92px; height: 92px; border-radius: 50%; background: #ffd27a; box-shadow: 0 0 60px 20px rgba(255, 210, 122, .55); }
.boat { position: absolute; left: 12%; bottom: 6px; width: 132px; animation: bob 4.5s ease-in-out infinite; transform-origin: 50% 90%; }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(5px) rotate(2deg); } }
.waves { position: absolute; top: calc(var(--sky-h) - 30px); left: 0; width: 200%; height: 60px; fill: var(--water); animation: drift 10s linear infinite; }
@keyframes drift { to { transform: translateX(-50%); } }

.topbar { position: absolute; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; padding: 18px var(--gutter); color: var(--navy); }
.wordmark { display: flex; align-items: center; gap: 10px; font: 800 19px/1 var(--round); text-decoration: none; letter-spacing: -.01em; }
.wm-dot { width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff 0 18%, var(--smb) 20% 100%); box-shadow: 0 2px 0 var(--smb-dark); }

.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px;
  font: 700 15px/1 var(--round); text-decoration: none; color: var(--navy);
  background: #fff; border: 0; border-radius: 999px; cursor: pointer;
  box-shadow: 0 3px 0 rgba(11, 35, 64, .25);
  transition: transform .15s, box-shadow .15s;
}
.pill:hover { transform: translateY(-1px); }
.pill:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(11, 35, 64, .25); }
.pill-dark { background: var(--navy); color: #fff; }

.hero-copy { max-width: 760px; position: relative; }
.eyebrow { font: 600 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 18px; }
h1 { font-size: clamp(42px, 7.2vw, 88px); font-weight: 800; text-wrap: balance; text-shadow: 0 2px 30px rgba(0, 40, 70, .25); }
.lede { font-size: clamp(18px, 2.1vw, 22px); color: var(--ink-dim); max-width: 600px; margin-top: 20px; text-wrap: pretty; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 28px; border: 0; border-radius: 999px; cursor: pointer;
  font: 800 18px/1 var(--round); color: #2a1206; text-decoration: none;
  background: var(--smb); box-shadow: 0 5px 0 var(--smb-dark), 0 12px 30px rgba(255, 122, 61, .35);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 7px 0 var(--smb-dark), 0 16px 34px rgba(255, 122, 61, .4); }
.btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--smb-dark); }
.link-down { color: var(--ink-dim); text-decoration: none; font-weight: 600; }
.link-down span { display: inline-block; animation: nudge 1.6s ease-in-out infinite; }
@keyframes nudge { 50% { transform: translateY(5px); } }

/* ───────── zones ───────── */
.zone { position: relative; padding: 16vh var(--gutter); }
.zone-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.mark { display: inline-flex; align-items: center; gap: 10px; font: 700 13px/1 var(--mono); color: var(--teal); letter-spacing: .06em; margin-bottom: 16px; }
.mark::before, .mark::after { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .5; }
h2 { font-size: clamp(34px, 5vw, 60px); font-weight: 800; text-wrap: balance; }
.sub { color: var(--ink-dim); font-size: clamp(17px, 1.8vw, 20px); margin-top: 16px; text-wrap: pretty; }
.legend { margin-top: 20px; color: var(--ink-faint); font-size: 14px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px; }
.dim { color: var(--ink-faint); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; max-width: 1080px; margin: 0 auto; }
.card {
  background: var(--card); border: 1px solid var(--card-line); border-radius: 24px; padding: 24px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.card h3 { font-size: 21px; margin: 14px 0 8px; }
.card p { color: var(--ink-dim); font-size: 15.5px; }
.ico { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: rgba(255, 255, 255, .12); font-size: 22px; }

/* chips */
.chip { display: inline-flex; align-items: center; padding: 5px 11px; border-radius: 999px; font: 700 12px/1 var(--mono); letter-spacing: .03em; white-space: nowrap; }
.chip.build { color: var(--teal); background: rgba(102, 230, 216, .12); border: 1px solid rgba(102, 230, 216, .45); }
.chip.plan { color: var(--amber); background: rgba(255, 195, 107, .08); border: 1px dashed rgba(255, 195, 107, .6); }

/* fish & friends */
.fish { position: absolute; width: 56px; fill: #ffc36b; pointer-events: none; }
.fish .eye { fill: #0b2340; }
.school { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.school .fish { animation: swim 26s linear infinite; }
.f1 { top: 10%; }
.f2 { top: 13%; width: 40px; fill: #ff9f7a; animation-delay: -1.2s !important; }
.f3 { top: 8%; width: 34px; fill: #ffe08a; animation-delay: -2.1s !important; }
.fish.big { width: 110px; top: 6%; fill: #8ad8ff; animation: swim-rev 38s linear infinite; }
.fish.big .stripe { stroke: #fff; stroke-width: 4; opacity: .7; }
@keyframes swim { from { transform: translateX(-15vw) translateY(0); } 50% { transform: translateX(50vw) translateY(18px); } to { transform: translateX(115vw) translateY(0); } }
@keyframes swim-rev { from { transform: translateX(110vw) scaleX(-1); } to { transform: translateX(-20vw) scaleX(-1); } }
.zone#features, .zone#problem { overflow-x: clip; }

/* ───────── features ───────── */
.feature {
  display: grid; grid-template-columns: 1fr 300px; gap: clamp(32px, 6vw, 80px); align-items: center;
  max-width: 1000px; margin: 0 auto 14vh;
}
.feature.flip .f-copy { order: 2; }
.f-copy h3 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; margin: 16px 0 14px; text-wrap: balance; }
.f-copy p { color: var(--ink-dim); text-wrap: pretty; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 28px; font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--teal); box-shadow: inset 0 0 0 3px transparent; background: radial-gradient(circle, var(--teal) 0 3px, transparent 4px); }

/* phone */
.phone-wrap { margin: 0; display: grid; justify-items: center; gap: 12px; }
.phone-wrap figcaption { font: 600 11px/1 var(--mono); color: var(--ink-faint); letter-spacing: .06em; text-transform: uppercase; }
.phone {
  width: 280px; height: 590px; padding: 10px; border-radius: 48px; background: #0a0c10;
  box-shadow: 0 0 0 2px #2c3644, 0 0 0 5px #11161d, 0 40px 80px rgba(0, 0, 0, .45);
  animation: float 7s ease-in-out infinite;
}
.feature.flip .phone { animation-delay: -3.5s; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-.6deg); } 50% { transform: translateY(-10px) rotate(.6deg); } }
.screen { position: relative; height: 100%; border-radius: 39px; overflow: hidden; background: #0e1724; color: #e9f0f7; font: 12.5px/1.35 var(--sans); }
.island { position: absolute; top: 10px; left: 50%; translate: -50% 0; width: 88px; height: 26px; border-radius: 20px; background: #000; z-index: 2; }
.sb { display: flex; justify-content: space-between; padding: 14px 24px 0; height: 44px; font-weight: 600; font-size: 12px; }
.sb span:last-child { font-size: 10px; letter-spacing: .02em; }
.nav { display: grid; grid-template-columns: 1fr auto 1fr; padding: 6px 14px 10px; font-weight: 600; font-size: 13px; }
.nav .back { color: var(--teal); }
.nav span:last-child { text-align: right; }
.pad { padding: 4px 16px; display: grid; gap: 10px; }
.t1 { font: 800 19px/1.15 var(--round); }
.t2 { color: #8ea2b8; margin-top: -6px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.stats div { background: #16222f; border-radius: 12px; padding: 8px; text-align: center; }
.stats b { display: block; font: 800 17px/1.1 var(--round); }
.stats small { color: #8ea2b8; font-size: 10px; }
.profile { width: 100%; height: auto; background: #111c28; border-radius: 12px; padding: 6px 0; }
.row-h { display: flex; justify-content: space-between; font-weight: 700; font-size: 13px; }
.ok { color: var(--teal); font-style: normal; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.tiles i { aspect-ratio: 1; border-radius: 9px; display: grid; place-items: center; font-style: normal; font-size: 22px; font-weight: 700; }
.g1 { background: linear-gradient(135deg, #2bb3c0, #0c5c7a); }
.g2 { background: linear-gradient(135deg, #47c9a6, #16627a); }
.g3 { background: linear-gradient(135deg, #ff9f87, #8a3b61); }
.g4 { background: linear-gradient(135deg, #5d8fd8, #23336e); }
.g5 { background: linear-gradient(135deg, #3c7ea6, #0d2f4d); }
.g6 { background: #16222f; color: #8ea2b8; font-size: 15px !important; }
.toast { background: rgba(102, 230, 216, .13); color: #b8fff4; border-radius: 12px; padding: 9px 10px; font-weight: 600; font-size: 11.5px; }
.src { list-style: none; margin: 0; padding: 0; background: #16222f; border-radius: 14px; }
.src li { display: flex; justify-content: space-between; padding: 11px 12px; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.src li:last-child { border-bottom: 0; }
.src em { font-style: normal; color: #8ea2b8; font-family: var(--mono); font-size: 11px; }
.src em.ok { color: var(--teal); }
.prog { display: grid; gap: 6px; }
.prog-l { display: flex; justify-content: space-between; font-size: 11.5px; color: #8ea2b8; }
.bar { height: 8px; border-radius: 9px; background: #16222f; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--teal), #8ad8ff); transition: width 2.4s cubic-bezier(.2, .8, .2, 1) .3s; }
.in .bar i, .no-js .bar i { width: 100%; }
.mini { color: #8ea2b8; font-size: 11.5px; }
.saved { display: grid; gap: 4px; padding: 26px 14px; text-align: center; border-radius: 16px; background: linear-gradient(160deg, #164a5a, #102536); }
.saved b { font: 800 18px/1.1 var(--round); }
.saved span { color: #9fc4cf; font-size: 11.5px; }
.exp { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.exp span { background: #16222f; border-radius: 12px; padding: 14px 0; text-align: center; font: 700 13px/1 var(--mono); color: var(--teal); }
.sigbox { position: relative; background: #f4f1e7; border-radius: 14px; height: 110px; display: grid; place-items: center; }
.sigbox span { position: absolute; bottom: 8px; left: 12px; font-size: 10px; color: #8a8f99; }
.sig { width: 86%; }
.sig path { fill: none; stroke: #10273f; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 2.6s ease .4s; }
.in .sig path { stroke-dashoffset: 0; }
.kv { display: flex; justify-content: space-between; padding: 9px 12px; background: #16222f; border-radius: 12px; }
.kv span { color: #8ea2b8; }
.lockbtn { text-align: center; padding: 12px; border-radius: 14px; background: var(--smb); color: #2a1206; font: 800 13.5px/1 var(--round); }

/* mini grid */
.grid-title { max-width: 1000px; margin: 0 auto 18px; font-size: 24px; font-weight: 800; }
.mini-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 12px; max-width: 1000px; margin: 0 auto 56px; }
.mini-card { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: start; padding: 16px; border-radius: 20px; background: var(--card); border: 1px solid var(--card-line); }
.mini-card.later { border-style: dashed; background: rgba(255, 255, 255, .03); }
.mini-card .ico { width: 40px; height: 40px; font-size: 19px; }
.mini-card h4 { font-size: 17px; margin-bottom: 4px; }
.mini-card p { font-size: 14.5px; color: var(--ink-dim); line-height: 1.45; }
.nope { max-width: 1000px; margin: 0 auto; text-align: center; padding: 28px; border-radius: 24px; border: 1px solid var(--card-line); }
.nope h3 { font-size: 20px; margin-bottom: 10px; }
.nope s { text-decoration-thickness: 2px; text-decoration-color: var(--smb); color: var(--ink-dim); }
.nope .dim { margin-top: 6px; font-size: 15px; }

/* ───────── dark zone / torch ───────── */
.torch {
  --x: 50%; --y: 50%;
  min-height: 90vh; display: grid; place-items: center; text-align: center;
  background: radial-gradient(circle 260px at var(--x) var(--y), rgba(255, 244, 214, .16), transparent 70%);
  cursor: crosshair; overflow: hidden;
}
.torch::before { /* extra darkness that fades in and out instead of a hard edge */
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(transparent, rgba(0, 0, 0, .42) 25%, rgba(0, 0, 0, .42) 75%, transparent);
}
.mark-c { position: absolute; top: 8vh; left: 50%; translate: -50% 0; }
.torch-text { grid-area: 1 / 1; max-width: 860px; }
.torch-text .tt-big { font: 800 clamp(40px, 7.5vw, 96px)/1.02 var(--round); letter-spacing: -.02em; text-wrap: balance; }
.torch-text .tt-small { font-size: clamp(18px, 2.2vw, 24px); margin-top: 24px; text-wrap: balance; }
.torch-text[aria-hidden] { color: rgba(255, 255, 255, .06); }
.torch-lit {
  color: #fff6de;
  -webkit-mask-image: radial-gradient(circle 190px at var(--mx, 50%) var(--my, 50%), #000 35%, transparent 100%);
  mask-image: radial-gradient(circle 190px at var(--mx, 50%) var(--my, 50%), #000 35%, transparent 100%);
}
.torch-hint { position: absolute; bottom: 9vh; left: 50%; translate: -50% 0; font: 600 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.jelly { position: absolute; right: 9%; top: 18%; width: 64px; animation: jelly 7s ease-in-out infinite; }
.jelly .bell { fill: rgba(255, 170, 230, .5); stroke: rgba(255, 200, 240, .8); stroke-width: 1.5; }
.jelly .tent path { fill: none; stroke: rgba(255, 200, 240, .55); stroke-width: 1.6; stroke-linecap: round; }
@keyframes jelly { 0%, 100% { transform: translateY(0) scaleY(1); } 40% { transform: translateY(-34px) scaleY(.9); } }

/* ───────── FAQ ───────── */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--card-line); border-radius: 20px; padding: 0 20px; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 32px 18px 0; position: relative; font: 700 18px/1.3 var(--round); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; translate: 0 -50%; font: 400 26px/1 var(--round); color: var(--teal); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 20px; color: var(--ink-dim); }

/* ───────── slate / form ───────── */
.slate {
  position: relative; max-width: 780px; margin: 0 auto; padding: clamp(28px, 5vw, 52px) clamp(18px, 5vw, 52px) clamp(24px, 4vw, 44px);
  color: var(--slate-ink); background-color: var(--slate);
  background-image: linear-gradient(var(--slate-line) 1px, transparent 1px);
  background-size: 100% 34px; border-radius: 30px;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, .06), 0 40px 90px rgba(0, 0, 0, .55);
}
.slate-hole { position: absolute; top: 14px; left: 50%; translate: -50% 0; width: 18px; height: 18px; border-radius: 50%; background: #061a2e; box-shadow: inset 0 2px 3px rgba(0, 0, 0, .6); }
.slate-hole::before { content: ""; position: absolute; bottom: 9px; left: 50%; width: 3px; height: 70px; translate: -50% 0; background: #ff7a3d; border-radius: 3px; z-index: -1; }
#beta-form { display: grid; gap: 26px; }
.field { border: 0; margin: 0; padding: 0; min-width: 0; display: grid; gap: 10px; }
.field.two { grid-template-columns: 1fr 1fr; gap: 26px; }
.field.two fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 10px; min-width: 0; }
.field > label, legend { font: 800 17px/1.25 var(--round); padding: 0; }
legend { margin-bottom: 10px; }
.req, .hint { font: 600 11px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: #6b7a8c; margin-left: 6px; }
input[type=email], input[type=text], textarea {
  width: 100%; font: 16px/1.4 var(--sans); color: var(--slate-ink);
  background: #fff; border: 2px solid rgba(16, 39, 63, .16); border-radius: 14px; padding: 13px 14px;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 110px; }
input[type=email]:focus, input[type=text]:focus, textarea:focus { outline: none; border-color: #1689ad; box-shadow: 0 0 0 4px rgba(22, 137, 173, .18); }
input[aria-invalid=true] { border-color: #d24b2a; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; }
.opts label { position: relative; cursor: pointer; }
.opts input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opts span {
  display: inline-block; padding: 10px 15px; border-radius: 999px; font-size: 15px; font-weight: 600; line-height: 1.2;
  background: #fff; border: 2px solid rgba(16, 39, 63, .16); transition: background .15s, color .15s, border-color .15s, transform .1s;
}
.opts label:hover span { border-color: rgba(16, 39, 63, .4); }
.opts input:checked + span { background: var(--slate-ink); border-color: var(--slate-ink); color: #fff; }
.opts input:focus-visible + span { outline: 3px solid #1689ad; outline-offset: 2px; }
.opts input:disabled + span { opacity: .4; cursor: not-allowed; }
.opts label:active span { transform: scale(.96); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; font-size: 14.5px; color: #3b4d61; cursor: pointer; }
.consent input { width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--slate-ink); }
.consent a { color: #0f6f98; font-weight: 600; }
.btn-big { width: 100%; padding: 20px; font-size: 20px; }
.btn[disabled] { opacity: .6; cursor: progress; }
.form-msg { min-height: 1.4em; font-size: 15px; font-weight: 600; text-align: center; color: #b2391b; }
.form-msg.note { color: #3b4d61; }
.done { text-align: center; display: grid; gap: 12px; justify-items: center; padding: 20px 0; }
.done h3 { font-size: clamp(30px, 4vw, 40px); font-weight: 800; }
.done p { color: #3b4d61; max-width: 480px; }
.done .dim { color: #6b7a8c; font-size: 15px; }
.done-badge { font: 700 13px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #0f7d6e !important; background: rgba(15, 125, 110, .12); padding: 8px 12px; border-radius: 999px; }

/* ───────── seabed ───────── */
.seabed { position: relative; padding-top: 10vh; }
.reef { width: 100%; height: 220px; }
.reef .sand { fill: #2b3640; }
.reef .coral { fill: none; stroke: #7a3d54; stroke-width: 9; stroke-linecap: round; }
.reef .coral.c2 { stroke: #3e5d6b; }
.reef .kelp path { fill: none; stroke: #23453f; stroke-width: 7; stroke-linecap: round; animation: sway 6s ease-in-out infinite alternate; transform-origin: bottom; transform-box: fill-box; }
.reef .kelp path:nth-child(2) { animation-delay: -2s; }
@keyframes sway { from { transform: rotate(-4deg); } to { transform: rotate(4deg); } }
.bottom-copy { background: #2b3640; display: grid; justify-items: center; gap: 16px; padding: 10px var(--gutter) 40px; margin-top: -2px; color: #b9c6d2; font: 700 18px/1.3 var(--round); }
.foot { background: #2b3640; padding: 24px var(--gutter) calc(32px + env(safe-area-inset-bottom)); text-align: center; font-size: 13.5px; color: #9aa9b8; display: grid; gap: 6px; }
.foot .dim { color: #75879a; }

/* ───────── reveal ───────── */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .8, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ───────── responsive ───────── */
@media (max-width: 820px) {
  :root { --sky-h: 30svh; }
  body { font-size: 16px; }
  .feature, .feature.flip { grid-template-columns: 1fr; gap: 36px; margin-bottom: 12vh; }
  .feature.flip .f-copy { order: 0; }
  .sun { width: 64px; height: 64px; right: 12%; }
  .boat { width: 104px; left: 6%; }
  .hud { right: 12px; bottom: 12px; min-width: 112px; padding: 8px 11px 7px; border-radius: 18px; }
  .hud-main b { font-size: 22px; }
  .hud-l { width: 34px; }
  .topbar .pill { padding: 9px 14px; font-size: 14px; }
  .zone { padding: 12vh var(--gutter); }
  .zone-head { margin-bottom: 40px; }
  .jelly { right: 4%; top: 12%; width: 46px; }
}
@media (max-width: 520px) {
  .field.two { grid-template-columns: 1fr; }
  .mini-grid { grid-template-columns: 1fr; }
  .mini-card { grid-template-columns: auto 1fr; }
  .mini-card .chip { grid-column: 2; justify-self: start; }
  .phone { width: 264px; height: 560px; }
  .opts span { font-size: 14.5px; padding: 9px 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
  .torch-lit { -webkit-mask-image: none; mask-image: none; }
  .sig path { stroke-dashoffset: 0; }
  .bar i { width: 100%; }
  .school, .fish.big { display: none; }
}