/* QSM Aviation
   Navy and gold straight from the logo. Caslon for headings, to sit with the
   logo's serif wordmark; Barlow for text and Barlow Condensed for the
   checklist, which read like cockpit placards. */

@font-face { font-family: "Libre Caslon Display"; src: url("../assets/fonts/libre-caslon-display.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../assets/fonts/barlow-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../assets/fonts/barlow-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../assets/fonts/barlow-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("../assets/fonts/barlow-condensed-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("../assets/fonts/barlow-condensed-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --navy: #363d4f;      /* the logo's background */
  --night: #272c3a;     /* deeper panels */
  --gold: #c8913f;
  --gold-light: #ebc27a;
  --gold-deep: #8a5518; /* gold dark enough for text on paper */
  --paper: #f1f2f4;
  --ink: #252a36;
  --muted: #5a6275;
  --muted-on-navy: #b3b9c8;
  --rule: #d4d7de;
  --rule-on-navy: rgba(235, 194, 122, .28);
  --gold-gradient: linear-gradient(120deg, #f0c674, #c58a3a 55%, #9c6220);

  --serif: "Libre Caslon Display", "Times New Roman", serif;
  --sans: "Barlow", system-ui, sans-serif;
  --condensed: "Barlow Condensed", "Arial Narrow", sans-serif;

  --gutter: clamp(1rem, 4vw, 4rem);
  --bar-h: 4.5rem;
  --max: 76rem;
}

*, *::before, *::after { box-sizing: border-box; }
/* The whole page grows on wide screens: the browser's own size up to 1280px wide, about 19px by 1920px. */
html { font-size: clamp(1rem, .375rem + .78vw, 1.1875rem); }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--bar-h) + 1rem); -webkit-text-size-adjust: 100%; overflow-x: clip; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.6 var(--sans); overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ol, ul, dl, dd { margin: 0; padding: 0; }
ol, ul { list-style: none; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.skip { position: fixed; top: .5rem; left: .5rem; z-index: 100; padding: .5rem 1rem; background: var(--gold-light); color: var(--ink); transform: translateY(-200%); }
.skip:focus { transform: none; }

/* Buttons */
.btn {
  display: inline-block; padding: .85rem 1.5rem; border: 1px solid transparent; border-radius: 2px; cursor: pointer;
  font: 600 1rem/1.2 var(--sans); letter-spacing: .01em; text-decoration: none; color: var(--night);
  background: var(--gold-gradient); background-size: 160% 100%; background-position: 0 0;
  transition: background-position .4s ease, transform .15s;
}
.btn:hover { background-position: 100% 0; }
.btn:active { transform: translateY(1px); }
.btn-small { padding: .55rem 1rem; font-size: .9375rem; }
.btn-ghost { color: var(--gold-light); background: transparent; border-color: var(--rule-on-navy); transition: border-color .25s, color .25s; }
.btn-ghost:hover { border-color: var(--gold-light); }

/* Top bar */
.bar {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--bar-h); padding-inline: var(--gutter);
  display: flex; align-items: center; gap: 2rem;
  background: rgba(54, 61, 79, .94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule-on-navy); color: #fff;
}
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; margin-right: auto; }
.brand-mark { width: 2.4rem; height: 2.4rem; }
.brand-name { font: 400 1.35rem/1 var(--serif); color: var(--gold-light); letter-spacing: .02em; }
.bar-links { display: flex; gap: 1.75rem; }
.bar-links a { font-weight: 500; text-decoration: none; color: var(--muted-on-navy); transition: color .2s; }
.bar-links a:hover { color: #fff; }

/* Hero */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: min(100svh, 56rem);
  padding: calc(var(--bar-h) + clamp(3rem, 8vh, 6rem)) var(--gutter) clamp(3rem, 8vh, 6rem);
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center;
  background: var(--navy); color: #fff;
}
.hero-arc { position: absolute; z-index: -1; width: min(70rem, 120vw); right: -18rem; top: 50%; translate: 0 -50%; opacity: .14; }
.hero-title {
  font: 400 clamp(2.6rem, 5.6vw, 5rem)/1.04 var(--serif); letter-spacing: -.01em; text-wrap: balance; max-width: 15ch;
  background: linear-gradient(120deg, #f6d79a, #e2b066 45%, #c08236); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-intro { margin-top: 1.75rem; max-width: 34rem; font-size: clamp(1.0625rem, 1.4vw, 1.25rem); line-height: 1.55; color: var(--muted-on-navy); }
.hero-actions { margin-top: 2.25rem; display: flex; flex-wrap: wrap; gap: .75rem; }

/* The checklist: challenge on the left, response on the right, as pilots read them */
.checklist {
  background: var(--night); border: 1px solid var(--rule-on-navy); border-radius: 3px;
  padding: clamp(1.25rem, 2.5vw, 2rem); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .55);
  font-family: var(--condensed);
}
.checklist-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule-on-navy); }
.checklist-title { font: 400 1.375rem/1.2 var(--serif); color: #fff; }
.checklist-sub { font-size: .9375rem; color: var(--muted-on-navy); white-space: nowrap; }
.checklist-items li + li { border-top: 1px solid rgba(255, 255, 255, .06); }
.checklist-items a {
  display: flex; align-items: baseline; gap: .6rem; padding: .8rem 0; text-decoration: none;
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem); font-weight: 500; letter-spacing: .03em; text-transform: uppercase;
}
.checklist-items a:hover .challenge { color: #fff; }
.challenge { color: #d6dae3; transition: color .2s; }
.leader { flex: 1; min-width: 1rem; border-bottom: 2px dotted rgba(235, 194, 122, .35); translate: 0 -.3em; }
.response { color: var(--gold-light); font-weight: 600; display: inline-flex; align-items: baseline; gap: .45rem; white-space: nowrap; }
.response::after {
  content: ""; width: .8em; height: .45em; border: solid var(--gold-light); border-width: 0 0 2px 2px;
  rotate: -45deg; translate: 0 -.3em;
}
.checklist-done { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--rule-on-navy); font-size: 1rem; letter-spacing: .03em; color: var(--muted-on-navy); }

/* The one orchestrated moment: each item is called and answered in turn */
.motion .checklist-items .response { opacity: 0; animation: respond .45s cubic-bezier(.2, .8, .2, 1) forwards; animation-delay: calc(.9s + var(--i) * .42s); }
.motion .checklist-items .leader { transform-origin: left; scale: 0 1; animation: lead .35s ease-out forwards; animation-delay: calc(.65s + var(--i) * .42s); }
.motion .checklist-done { opacity: 0; animation: respond .5s ease forwards; animation-delay: 3.6s; }
@keyframes lead { to { scale: 1 1; } }
@keyframes respond { from { opacity: 0; translate: -.4rem 0; } to { opacity: 1; translate: 0 0; } }

.audience {
  padding: 1.4rem var(--gutter); text-align: center; background: var(--night); color: var(--muted-on-navy);
  font: 500 1.0625rem/1.4 var(--condensed); letter-spacing: .03em;
}

/* Sections */
.services, .ongoing, .process, .about, .contact { padding: clamp(4rem, 10vw, 8rem) var(--gutter); }
.section-head { max-width: var(--max); margin: 0 auto clamp(2.5rem, 5vw, 4rem); }
.section-title { font: 400 clamp(2.1rem, 4.2vw, 3.5rem)/1.08 var(--serif); letter-spacing: -.005em; text-wrap: balance; max-width: 22ch; }
.section-lede { margin-top: 1.25rem; max-width: 38rem; font-size: 1.1875rem; color: var(--muted); }

/* Services as a contents page */
.chapters { max-width: var(--max); margin: 0 auto; border-top: 2px solid var(--ink); }
.chapter {
  display: grid; grid-template-columns: 5rem minmax(0, 1fr) minmax(0, 1.25fr); gap: 1rem clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0; border-bottom: 1px solid var(--rule);
}
.chapter-no { font: 400 clamp(3rem, 5vw, 4.25rem)/.9 var(--serif); color: var(--gold); }
.chapter-title { font: 400 clamp(1.5rem, 2.4vw, 2rem)/1.15 var(--serif); }
.chapter-head p { margin-top: .75rem; color: var(--muted); max-width: 26rem; }
.chapter-list { columns: 2; column-gap: 2rem; padding-top: .35rem; }
.chapter-list li { break-inside: avoid; padding: .5rem 0 .5rem 1.1rem; position: relative; line-height: 1.4; }
.chapter-list li::before { content: ""; position: absolute; left: 0; top: 1.05rem; width: .45rem; height: 1px; background: var(--gold-deep); }

/* Ongoing support */
.ongoing { background: var(--navy); color: #fff; }
.ongoing .section-title { color: var(--gold-light); }
.ongoing .section-lede { color: var(--muted-on-navy); }
.retainers { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); border-top: 1px solid var(--rule-on-navy); }
.retainer { padding: 1.75rem 1.5rem 2rem 0; border-bottom: 1px solid var(--rule-on-navy); }
.retainer + .retainer { padding-left: 1.5rem; border-left: 1px solid var(--rule-on-navy); }
.retainer dt { font: 400 1.375rem/1.2 var(--serif); }
.retainer dd { margin-top: .75rem; color: var(--muted-on-navy); }

/* Process */
.steps { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.5rem; counter-reset: step; }
.steps li { counter-increment: step; position: relative; padding-top: 3.25rem; }
.steps li::before {
  content: counter(step); position: absolute; top: 0; left: 0; width: 2.25rem; height: 2.25rem; display: grid; place-items: center;
  border: 1px solid var(--gold); border-radius: 50%; font: 400 1.125rem/1 var(--serif); color: var(--gold-deep); background: var(--paper);
}
.steps li::after { content: ""; position: absolute; top: 1.125rem; left: 2.75rem; right: -1rem; height: 1px; background: var(--rule); }
.steps li:last-child::after { display: none; }
.steps h3 { font: 600 1.125rem/1.3 var(--sans); }
.steps p { margin-top: .5rem; color: var(--muted); font-size: 1rem; }

/* About */
.about { background: #fff; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.about > * { max-width: 40rem; }
.about-copy { justify-self: end; }
.values { margin: 1rem 0 2rem; font: 500 1.1875rem/1.4 var(--condensed); letter-spacing: .03em; color: var(--gold-deep); }
.about-copy p + p { margin-top: 1.1rem; }

.licence {
  position: sticky; top: calc(var(--bar-h) + 2rem);
  background: var(--navy); color: #fff; border-radius: 4px; padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--rule-on-navy); box-shadow: inset 0 0 0 6px var(--navy), inset 0 0 0 7px var(--rule-on-navy);
}
.licence-top { display: flex; align-items: center; gap: 1rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--rule-on-navy); }
.licence-mark { width: 3.25rem; height: 3.25rem; flex: none; }
.licence-title { font: 500 1rem/1.2 var(--condensed); letter-spacing: .04em; color: var(--muted-on-navy); }
.licence-holder { font: 400 1.5rem/1.2 var(--serif); color: var(--gold-light); }
.licence-list li { padding: .75rem 0; border-bottom: 1px solid rgba(255, 255, 255, .07); font: 500 1.1875rem/1.3 var(--condensed); letter-spacing: .02em; }
.licence-years { margin-top: 1.5rem; display: flex; align-items: baseline; gap: .6rem; color: var(--muted-on-navy); }
.licence-years span { font: 400 3.25rem/1 var(--serif); color: var(--gold-light); }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(2.5rem, 6vw, 6rem); max-width: calc(var(--max) + 2 * var(--gutter)); margin: 0 auto; }
.contact-copy p { margin-top: 1.25rem; color: var(--muted); max-width: 30rem; }
.contact-direct { margin-top: 2rem; display: grid; gap: .9rem; }
.contact-direct div { display: grid; grid-template-columns: 6.5rem auto; align-items: baseline; justify-content: start; }
.contact-direct dt { color: var(--muted); }
.contact-direct a { color: var(--gold-deep); font-weight: 600; font-size: 1.1875rem; text-underline-offset: .2em; }
.enquiry { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field { display: grid; gap: .4rem; }
.field-wide { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: .9375rem; }
.optional { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; padding: .75rem .85rem; background: #fff; border: 1px solid #c3c8d2; border-radius: 2px;
  transition: border-color .2s;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold-deep); outline: 2px solid var(--gold); outline-offset: 0; }
.field [aria-invalid="true"] { border-color: #b3261e; }
.enquiry-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: .25rem; }
.enquiry-note { color: var(--muted); font-size: .9375rem; }
.enquiry-note.is-error { color: #b3261e; }

/* Footer */
.footer { background: var(--night); color: var(--muted-on-navy); padding: clamp(3rem, 6vw, 4.5rem) var(--gutter) 2rem; display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: center; }
.footer-brand { display: grid; grid-template-columns: auto auto; column-gap: 1rem; align-items: center; justify-content: start; }
.footer-mark { width: 4rem; height: 4rem; grid-row: span 2; }
.footer-name { font: 400 1.5rem/1.1 var(--serif); color: var(--gold-light); }
.footer-slogan { font: 500 1rem/1.3 var(--condensed); letter-spacing: .04em; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem 1.75rem; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-legal { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .875rem; }

/* Tablet */
@media (max-width: 64rem) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-title { max-width: 18ch; }
  .checklist { max-width: 34rem; }
  .chapter { grid-template-columns: 3.5rem minmax(0, 1fr); }
  .chapter-list { grid-column: 2; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 2.5rem; }
  .steps li::after { display: none; }
  .about, .contact { grid-template-columns: 1fr; }
  .about-copy { justify-self: start; }
  .licence { position: static; }
}

/* Phone */
@media (max-width: 44rem) {
  :root { --bar-h: 4rem; }
  .bar { gap: 1rem; }
  .bar-links { display: none; }
  .brand-name { font-size: 1.15rem; }
  .bar .btn-small { padding: .5rem .8rem; font-size: .875rem; }
  .hero-arc { right: -60%; }
  .checklist-head { flex-direction: column; gap: .25rem; }
  .chapter { grid-template-columns: 1fr; }
  .chapter-list { grid-column: auto; columns: 1; }
  .retainer + .retainer { padding-left: 0; border-left: 0; }
  .steps { grid-template-columns: 1fr; }
  .enquiry { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}
@media (max-width: 24rem) {
  .bar .btn-small { display: none; }
}

/* WhatsApp: the form's second button, and a floating button on every screen */
.enquiry-buttons { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn-wa {
  display: inline-flex; align-items: center; gap: .55rem;
  color: #fff; background: #1f7a4c; border-color: #1f7a4c; transition: background-color .25s, transform .15s;
}
.btn-wa:hover { background: #17633d; }
.btn-icon { width: 1.25em; height: 1.25em; flex: none; }

.wa-float {
  position: fixed; z-index: 40; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom));
  width: 3.5rem; height: 3.5rem; display: grid; place-items: center; border-radius: 50%;
  background: #25d366; color: #fff; box-shadow: 0 10px 28px -8px rgba(0, 0, 0, .55);
  transition: transform .2s, box-shadow .2s;
}
.wa-float:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -8px rgba(0, 0, 0, .6); }
.wa-float svg { width: 2rem; height: 2rem; }
@media (max-width: 44rem) {
  .footer { padding-bottom: 5.5rem; }
}