/* Helm website. Night instrument panel: deep navy, foam-white type, one amber lamp. Self-hosted fonts, no trackers. */
@font-face { font-family: "Instrument Sans"; src: url("fonts/instrument-sans-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("fonts/instrument-sans-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("fonts/instrument-sans-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Unbounded"; src: url("fonts/unbounded-300.woff2") format("woff2"); font-weight: 300; font-display: swap; }

:root {
  --abyss: #0A1220; --hull: #121C2E; --deck: #18243A; --rigging: #22324A;
  --foam: #E8EEF6; --mist: #8A9BB3; --lamp: #F2B33D; --coral: #FF7A6B;
  --ui: "Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --readout: "Unbounded", "Instrument Sans", system-ui, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--abyss); scroll-behavior: smooth; }
body { margin: 0; background: var(--abyss); color: var(--foam); font: 17px/1.6 var(--ui); -webkit-font-smoothing: antialiased; }
a { color: var(--lamp); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--lamp); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }

/* top bar */
.bar { display: flex; align-items: center; justify-content: space-between; padding-block: 22px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--foam); text-decoration: none; font: 300 22px/1 var(--readout); letter-spacing: -0.01em; }
.brand svg { width: 34px; height: 34px; }
.bar nav { display: flex; gap: 22px; font-size: 15px; }
.bar nav a { color: var(--mist); text-decoration: none; }
.bar nav a:hover { color: var(--foam); }

/* hero */
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; padding-block: 48px 72px; }
.hero h1 { font: 600 clamp(40px, 5.6vw, 66px)/1.04 var(--ui); letter-spacing: -0.025em; margin: 0 0 22px; text-wrap: balance; }
.hero p.lede { font-size: 20px; color: var(--mist); max-width: 34em; margin: 0 0 32px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border-radius: 26px; font: 500 16px var(--ui);
  text-decoration: none; border: 1px solid var(--rigging); color: var(--foam); background: transparent; cursor: pointer; }
.btn.primary { background: var(--lamp); color: var(--abyss); border-color: var(--lamp); }
.btn.primary:hover { filter: brightness(1.06); }
.btn:hover { border-color: var(--mist); }
.fine { font-size: 14px; color: var(--mist); margin-top: 14px; }
.dial-box { position: relative; justify-self: center; width: min(460px, 100%); }
.dial { width: 100%; height: auto; display: block; }
.dial .tick { fill: var(--mist); font: 500 12px var(--ui); text-anchor: middle; }
.dial .dial-time { fill: var(--foam); font: 300 44px var(--readout); text-anchor: middle; letter-spacing: -0.02em; }
.dial .dial-say { fill: var(--mist); font: 400 14px var(--ui); text-anchor: middle; }
.dial .halo { transform-origin: 50% 50%; animation: breathe 3.2s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { opacity: .55; transform: scale(1); } 50% { opacity: 1; transform: scale(1.04); } }
.caption { width: max-content; max-width: 92%; margin: 4px auto 0;
  background: var(--hull); border: 1px solid var(--rigging); border-radius: 18px; padding: 10px 16px; font-size: 15px; }
.caption b { color: var(--lamp); font-weight: 500; }

/* sections */
section { padding-block: 72px; border-top: 1px solid var(--rigging); }
.kicker { color: var(--lamp); font: 500 15px var(--ui); margin: 0 0 10px; }
h2 { font: 600 clamp(30px, 3.6vw, 42px)/1.12 var(--ui); letter-spacing: -0.02em; margin: 0 0 18px; text-wrap: balance; max-width: 22em; }
.sub { color: var(--mist); font-size: 19px; max-width: 38em; margin: 0; }

/* who it's for */
.tables { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 40px; border-top: 1px solid var(--rigging); }
.tables div { padding: 24px 24px 0 0; }
.tables div + div { padding-left: 24px; border-left: 1px solid var(--rigging); }
.tables h3 { font: 600 19px var(--ui); margin: 0 0 6px; }
.tables p { margin: 0; color: var(--mist); font-size: 16px; }

/* voice transcript */
.voice { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.transcript { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.transcript li { display: grid; gap: 6px; }
.said { font: 300 clamp(18px, 2vw, 22px)/1.35 var(--readout); letter-spacing: -0.01em; }
.said::before { content: "“"; color: var(--lamp); }
.said::after { content: "”"; color: var(--lamp); }
.heard { color: var(--mist); font-size: 15px; padding-left: 14px; border-left: 2px solid var(--rigging); }

/* features as rows */
.rows { margin-top: 36px; }
.feat { display: grid; grid-template-columns: 220px 1fr 1fr; gap: 32px; padding-block: 26px; border-top: 1px solid var(--rigging); align-items: baseline; }
.feat h3 { font: 600 20px var(--ui); margin: 0; }
.feat p { margin: 0; color: var(--mist); }
.feat .eg { color: var(--foam); font-size: 15px; }
.feat .eg em { font-style: normal; color: var(--lamp); }

/* security */
.secure { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.facts li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; }
.facts svg { width: 22px; height: 22px; margin-top: 3px; }
.facts strong { display: block; font-weight: 600; }
.facts span { color: var(--mist); font-size: 16px; }
.idcard { background: var(--hull); border: 1px solid var(--rigging); border-radius: 26px; padding: 30px; max-width: 420px; justify-self: center; width: 100%; }
.idcard .lbl { color: var(--mist); font-size: 14px; }
.idcard .id { font: 300 clamp(26px, 3vw, 34px)/1.2 var(--readout); color: var(--lamp); margin: 6px 0 14px; letter-spacing: 0.02em; }
.idcard .who { font-weight: 600; }
.idcard .what { color: var(--mist); font-size: 15px; }
.idcard .row { display: flex; gap: 10px; margin-top: 22px; }
.idcard .chip { border: 1px solid var(--rigging); border-radius: 18px; padding: 8px 14px; font-size: 14px; }
.idcard .chip.on { background: var(--lamp); border-color: var(--lamp); color: var(--abyss); font-weight: 500; }

/* install */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.steps li { counter-increment: s; }
.steps li::before { content: counter(s); display: block; font: 300 44px/1 var(--readout); color: var(--lamp); margin-bottom: 12px; }
.steps h3 { font: 600 19px var(--ui); margin: 0 0 6px; }
.steps p { margin: 0; color: var(--mist); font-size: 16px; }

/* invitation form */
.invite { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--mist); font-weight: 500; }
input, textarea { font: 16px var(--ui); color: var(--foam); background: var(--hull); border: 1px solid var(--rigging); border-radius: 14px; padding: 14px 16px; width: 100%; }
textarea { min-height: 96px; resize: vertical; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.msg { min-height: 24px; font-size: 15px; }
.msg.ok { color: var(--lamp); }
.msg.err { color: var(--coral); }

footer { border-top: 1px solid var(--rigging); padding-block: 32px 48px; color: var(--mist); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
footer a { color: var(--mist); }

/* privacy page */
.doc { max-width: 720px; padding-block: 32px 80px; }
.doc h1 { font: 600 clamp(34px, 4vw, 48px)/1.1 var(--ui); letter-spacing: -0.02em; margin: 0 0 8px; }
.doc h2 { font-size: 24px; margin: 40px 0 10px; }
.doc p, .doc li { color: #C9D3E0; }
.doc .updated { color: var(--mist); font-size: 15px; }

@media (max-width: 900px) {
  .hero, .voice, .secure, .invite { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding-top: 16px; }
  .dial-box { order: -1; width: min(340px, 90%); }
  .feat { grid-template-columns: 1fr; gap: 6px; }
  .tables, .steps { grid-template-columns: 1fr; }
  .tables div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--rigging); }
  .bar nav { display: none; }
  .two { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .dial .halo { animation: none; } html { scroll-behavior: auto; } }