/* Rotor Pacific — colors and type from "RP Style Guide.pdf" */
:root {
  --navy: #07366B;       /* Rotor Navy: brand, headers, nav, dark sections */
  --navy-deep: #052850;
  --red: #D71920;        /* Pacific Red: CTAs and accents only */
  --red-dark: #B5141A;
  --slate: #2D3748;      /* Aerospace Slate: body copy */
  --cloud: #EEF3F8;      /* Cloud Gray: alternate sections, cards */
  --white: #FFFFFF;
  --line: #D6DFEA;
  --head: "Montserrat", Arial, sans-serif;
  --body: "Open Sans", Arial, sans-serif;
  --radius: 4px;         /* slight radius, never pill-shaped */
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--white);
  color: var(--slate);
  font: 400 17px/1.7 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
h1, h2, h3 { font-family: var(--head); color: var(--navy); line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }
.sr, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip:focus { position: fixed; top: 8px; left: 8px; z-index: 100; background: var(--white); padding: 8px 12px; }

.eyebrow {
  font: 600 .78rem/1 var(--head);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}

/* Buttons */
.btn {
  display: inline-block;
  font: 600 .95rem/1 var(--head);
  padding: 15px 26px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  text-decoration: none;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--red-dark); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: var(--white); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-outline-light { border-color: var(--white); color: var(--white); }
.btn-outline-light:hover, .btn-outline-light:focus-visible { background: var(--white); color: var(--navy); }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* Header: white, logo left, navy nav, red CTA */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 88px; gap: 24px; }
.brand img { width: 160px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a:not(.btn) {
  font: 600 .95rem/1 var(--head);
  color: var(--navy);
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:not(.btn):hover { border-bottom-color: var(--red); }
.site-nav .btn { padding: 12px 20px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--navy); padding: 8px; cursor: pointer; }

/* Hero */
.hero {
  position: relative;
  color: var(--white);
  background:
    linear-gradient(115deg, rgba(5,40,80,.96) 0%, rgba(7,54,107,.88) 55%, rgba(7,54,107,.70) 100%),
    url("rotor-lines.svg") right center / auto 120% no-repeat,
    var(--navy);
  /* With photography, replace the line-art layer:
     url("hero.jpg") center / cover no-repeat, */
  padding: clamp(80px, 12vw, 150px) 0;
}
.hero h1 { color: var(--white); max-width: 16ch; }
.hero .eyebrow { color: #FF8A8E; }
.lede { font-size: 1.15rem; max-width: 60ch; }
.hero .lede { color: #DCE6F2; }

/* Sections alternate white / Cloud Gray; navy reserved for proof + CTA */
.section { padding: clamp(64px, 9vw, 104px) 0; }
.section.alt { background: var(--cloud); }
.section.navy { background: var(--navy); color: #DCE6F2; }
.section.navy h2 { color: var(--white); }
.section.navy .eyebrow { color: #FF8A8E; }
.section-head { max-width: 720px; margin-bottom: 48px; }

.grid { display: grid; gap: 24px; }
.cards { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--navy); transform: translateY(-2px); }
.card p { margin: 0; font-size: .97rem; }
.icon { width: 44px; height: 44px; margin-bottom: 18px; fill: none; stroke: var(--navy); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon .accent { stroke: var(--red); }
.icon circle.accent { fill: var(--red); stroke: none; }

.aircraft { grid-template-columns: repeat(3, 1fr); }
.ac {
  background: var(--white);
  border-radius: var(--radius);
  border-top: 4px solid var(--navy);
  padding: 28px 24px;
  display: flex; flex-direction: column;
}
.ac:hover { border-top-color: var(--red); }
.ac h3 { font-size: 1.35rem; margin-bottom: .4em; }
.ac p { font-size: .95rem; }
.maker { font: 600 .75rem/1 var(--head); letter-spacing: .12em; text-transform: uppercase; color: #5A6B82; margin-bottom: 12px !important; }
.engine { margin: auto 0 0 !important; padding-top: 14px; border-top: 1px solid var(--line); font-weight: 600; color: var(--navy); font-size: .88rem !important; }

.reach { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.stats { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.stats li { display: flex; align-items: baseline; gap: 18px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.18); }
.stats strong { font: 700 2.2rem/1 var(--head); color: var(--white); min-width: 84px; }
.stats span { color: #DCE6F2; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.checks { list-style: none; margin: 0; padding: 0; }
.checks li {
  position: relative;
  padding: 16px 0 16px 38px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
.checks li::before {
  content: ""; position: absolute; left: 4px; top: 22px;
  width: 14px; height: 8px;
  border-left: 2.5px solid var(--red); border-bottom: 2.5px solid var(--red);
  transform: rotate(-45deg);
}

.contact .lede { color: #DCE6F2; }
.contact-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 48px 0 0; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.18); }
.contact-list dt { font: 600 .75rem/1 var(--head); letter-spacing: .12em; text-transform: uppercase; color: #FF8A8E; margin-bottom: 10px; }
.contact-list dd { margin: 0; color: var(--white); }
.contact-list a { color: var(--white); }

.site-footer { background: var(--navy-deep); color: #B9C8DA; padding: 28px 0; font-family: var(--head); }
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--white); font-weight: 600; letter-spacing: .06em; }
.site-footer .small { font-family: var(--body); font-size: .85rem; margin-top: 10px; }

/* Motion: subtle reveal only */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .card:hover { transform: none; }
}

@media (max-width: 960px) {
  .cards, .aircraft { grid-template-columns: repeat(2, 1fr); }
  .reach, .split { grid-template-columns: 1fr; gap: 36px; }
  .contact-list { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .header-row { min-height: 72px; }
  .brand img { width: 128px; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
    padding: 8px 16px 20px;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-nav .btn { margin-top: 16px; text-align: center; }
  .cards, .aircraft { grid-template-columns: 1fr; }
  .cta-row .btn { flex: 1 1 100%; text-align: center; }
}