/* Kilo Papa Aviation — draft styles. Palette: navy + white + one accent (amber). */
:root {
  --navy: #0B1F3A;
  --navy-2: #13305A;
  --white: #FFFFFF;
  --mist: #F3F6FA;
  --line: #D9E1EC;
  --text: #1B2433;
  --muted: #5A6578;
  --accent: #F2A23A;
  --radius: 12px;
  --max: 1100px;
  --font: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.6; }
img, svg { max-width: 100%; }
a { color: var(--navy-2); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--navy); padding: .5rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; }

/* Status banner */
.status { background: var(--accent); color: var(--navy); font-weight: 600; text-align: center; padding: .55rem 1rem; font-size: .95rem; }

/* Header / nav */
.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem 0; }
.brand { flex-shrink: 0; }
.brand img { height: 46px; width: auto; display: block; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: .45rem .7rem; font: inherit; color: var(--navy); cursor: pointer; }
.nav-links { list-style: none; display: flex; gap: 1.4rem; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; color: var(--navy); font-weight: 600; font-size: .98rem; padding: .25rem 0; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { border-bottom-color: var(--accent); }
.nav-links .cta { background: var(--navy); color: var(--white); padding: .5rem .95rem; border-radius: 999px; border: 0; }
.nav-links .cta:hover { background: var(--navy-2); }

/* Hero */
.hero { position: relative; overflow: hidden; color: var(--white);
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 70%, #1E4677 100%); }
.hero .container { position: relative; z-index: 2; padding: 5.5rem 0 7rem; }
.hero .eyebrow { color: var(--accent); }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); line-height: 1.1; margin: .4rem 0 1rem; max-width: 18ch; }
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 56ch; color: #DCE6F3; }
.hero-art { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero-art svg { width: 100%; height: 100%; }
.page-hero { background: var(--navy); color: var(--white); padding: 3.5rem 0 3rem; }
.page-hero h1 { margin: .2rem 0 .5rem; font-size: clamp(1.9rem, 4vw, 2.8rem); }
.page-hero p { color: #DCE6F3; max-width: 60ch; margin: 0; }

.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .8rem; font-weight: 700; color: var(--navy-2); }
.btn { display: inline-block; text-decoration: none; font-weight: 700; padding: .8rem 1.3rem; border-radius: 999px; border: 2px solid transparent; cursor: pointer; font: inherit; font-weight: 700; }
.btn-accent { background: var(--accent); color: var(--navy); }
.btn-accent:hover { filter: brightness(1.05); }
.btn-ghost { border-color: rgba(255,255,255,.7); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

/* Sections */
section.block { padding: 4.5rem 0; }
section.alt { background: var(--mist); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--navy); margin: .3rem 0 1rem; line-height: 1.2; }
h3 { color: var(--navy); margin: 0 0 .4rem; }
.section-intro { max-width: 62ch; color: var(--muted); margin-bottom: 2rem; }

.notice { border-left: 5px solid var(--accent); background: #FFF8EC; padding: 1rem 1.2rem; border-radius: 0 var(--radius) var(--radius) 0; color: var(--navy); }
.notice strong { display: block; margin-bottom: .2rem; }

.grid { display: grid; gap: 1.25rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; position: relative; }
.card .icon { width: 44px; height: 44px; border-radius: 10px; background: var(--navy); display: grid; place-items: center; margin-bottom: .9rem; }
.card .icon svg { width: 24px; height: 24px; }
.card p { margin: 0; color: var(--muted); }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--navy); background: #FFF1DB; border-radius: 999px; padding: .15rem .6rem; margin-bottom: .6rem; }

.name-callout { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center; }
.phonetic { display: flex; gap: .75rem; }
.phonetic .letter { width: 92px; height: 92px; border-radius: 16px; background: var(--navy); color: var(--white); display: grid; place-items: center; text-align: center; line-height: 1.1; }
.phonetic .letter b { font-size: 2rem; display: block; color: var(--accent); }
.phonetic .letter span { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
.steps li { counter-increment: s; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.3rem 1.3rem 4rem; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: 1.2rem; top: 1.2rem; width: 2rem; height: 2rem; border-radius: 50%; background: var(--accent); color: var(--navy); font-weight: 800; display: grid; place-items: center; }

/* Training detail */
.service { border-top: 1px solid var(--line); padding: 2rem 0; display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; }
.service:first-of-type { border-top: 0; }
.service ul { margin: .5rem 0 0; padding-left: 1.2rem; color: var(--muted); }

/* FAQ */
.faq details { border: 1px solid var(--line); border-radius: var(--radius); padding: 0 1.2rem; margin-bottom: .8rem; background: var(--white); }
.faq summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 1rem 0; list-style: none; position: relative; padding-right: 2rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: .85rem; font-size: 1.4rem; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 1rem; color: var(--muted); }

/* Form */
.form { display: grid; gap: 1rem; max-width: 640px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label { font-weight: 600; color: var(--navy); display: block; margin-bottom: .3rem; }
.form input, .form select, .form textarea { width: 100%; padding: .75rem .85rem; border: 1px solid #B9C5D6; border-radius: 8px; font: inherit; background: var(--white); }
.form textarea { min-height: 120px; resize: vertical; }
.form fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; }
.form legend { font-weight: 700; color: var(--navy); padding: 0 .4rem; }
.checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: .4rem 1rem; }
.checks label { font-weight: 500; display: flex; gap: .5rem; align-items: center; margin: 0; }
.checks input { width: auto; }
.consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .95rem; color: var(--muted); }
.consent input { width: auto; margin-top: .3rem; }
.form-msg { display: none; }
.form-msg.show { display: block; }
.small { font-size: .9rem; color: var(--muted); }
.placeholder { background: #FFF1DB; border: 1px dashed var(--accent); border-radius: 6px; padding: 0 .35rem; color: var(--navy); }

/* Social */
.social { display: flex; gap: .7rem; list-style: none; padding: 0; margin: 0; flex-wrap: wrap; }
.social a { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.35); color: var(--white); }
.social a:hover { background: var(--accent); color: var(--navy); border-color: var(--accent); }
.social svg { width: 20px; height: 20px; fill: currentColor; }
.social.dark a { border-color: var(--line); color: var(--navy); }

/* Footer */
.site-footer { background: var(--navy); color: #C9D5E6; padding: 3rem 0 2rem; margin-top: 0; }
.site-footer a { color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.footer-grid h4 { color: var(--white); margin: 0 0 .7rem; font-size: .95rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; }
.footer-grid ul.social { display: flex; gap: .7rem; margin-bottom: .75rem; }
.footer-grid img { height: 46px; width: auto; }
.legal { border-top: 1px solid rgba(255,255,255,.15); margin-top: 2rem; padding-top: 1.2rem; font-size: .85rem; }

.prose { max-width: 70ch; }
.prose h2 { margin-top: 2rem; font-size: 1.4rem; }

/* Responsive */
@media (max-width: 900px) {
  .grid-3, .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); flex-direction: column; gap: 0; padding: .5rem 1.25rem 1rem; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: .7rem 0; }
  .nav-links .cta { text-align: center; margin-top: .5rem; }
  .grid-3, .grid-2, .steps, .service, .form .row, .checks { grid-template-columns: 1fr; }
  .service { gap: .5rem; }
  .name-callout { grid-template-columns: 1fr; }
  .hero .container { padding: 3.5rem 0 5.5rem; }
  section.block { padding: 3.2rem 0; }
  .brand img { height: 40px; }
}

/* ===== Additions: dropdown nav, page cards, founding five, testimonials ===== */
.nav-links { align-items: center; }
.nav-links .has-sub { position: relative; display: flex; align-items: center; gap: .15rem; }
.sub-toggle { background: none; border: 0; padding: .2rem .25rem; cursor: pointer; color: var(--navy); font: inherit; line-height: 1; border-radius: 6px; }
.sub-toggle svg { width: 14px; height: 14px; display: block; transition: transform .15s; }
.sub-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-links .sub { list-style: none; margin: 0; padding: .5rem 0; display: none; position: absolute; top: calc(100% + .4rem); left: -1rem; min-width: 250px; background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 0 0 var(--radius) var(--radius); box-shadow: 0 12px 28px rgba(11,31,58,.14); z-index: 60; }
.nav-links .sub::before { content: ""; position: absolute; left: 0; right: 0; top: -.75rem; height: .75rem; }
.nav-links .sub a { display: block; padding: .45rem 1rem; border-bottom: 0; font-weight: 600; white-space: nowrap; }
.nav-links .sub a:hover, .nav-links .sub a[aria-current="page"] { background: var(--mist); color: var(--navy-2); }
.nav-links .sub .sub-sep { border-top: 1px solid var(--line); margin: .35rem 0; }
.nav-links .sub.open { display: block; }
@media (hover: hover) and (min-width: 1081px) {
  .nav-links .has-sub:hover .sub, .nav-links .has-sub:focus-within .sub { display: block; }
}

/* Card links */
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.card:has(h3 a):hover { border-color: var(--accent); box-shadow: 0 6px 18px rgba(11,31,58,.08); }
.card .more { display: inline-block; margin-top: .8rem; font-weight: 700; color: var(--navy-2); font-size: .95rem; }

/* Detail pages */
.detail { display: grid; grid-template-columns: 2fr 1fr; gap: 2.5rem; align-items: start; }
.detail h2 { font-size: 1.45rem; margin-top: 2.2rem; }
.detail h2:first-child { margin-top: 0; }
.detail ul, .detail ol { color: var(--text); padding-left: 1.25rem; }
.detail li { margin-bottom: .35rem; }
.aside { background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.4rem; position: sticky; top: 90px; }
.aside h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; }
.aside ul { list-style: none; padding: 0; margin: 0 0 1rem; }
.aside li { margin: 0; }
.aside li a { display: block; padding: .3rem 0; text-decoration: none; font-weight: 600; }
.aside li a[aria-current="page"] { color: var(--navy); border-left: 3px solid var(--accent); padding-left: .5rem; }
.callout { background: var(--white); border: 1px solid var(--line); border-left: 5px solid var(--navy); border-radius: 0 var(--radius) var(--radius) 0; padding: 1rem 1.2rem; margin: 1.2rem 0; }
.callout strong { color: var(--navy); }
.cta-band { background: var(--navy); color: #DCE6F3; text-align: center; padding: 3.5rem 0; }
.cta-band h2 { color: var(--white); }
.cta-band p { max-width: 60ch; margin: 0 auto; }
.cta-band .btn-row { justify-content: center; }
.crumbs { font-size: .9rem; margin: 0 0 .4rem; color: #C9D5E6; }
.crumbs a { color: #C9D5E6; }
.coming { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; background: var(--navy); color: var(--accent); border-radius: 999px; padding: .12rem .55rem; vertical-align: middle; }

/* Founding Five */
.founding { display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: center; background: var(--navy); color: #DCE6F3; border-radius: 18px; padding: 2.2rem; }
.founding h2 { color: var(--white); margin-top: .1rem; }
.founding .eyebrow { color: var(--accent); }
.founding .seats { display: grid; grid-template-columns: repeat(5, 1fr); gap: .5rem; }
.founding .seat { width: 46px; height: 46px; border-radius: 50%; border: 2px solid var(--accent); display: grid; place-items: center; color: var(--accent); font-weight: 800; }
.founding .placeholder { background: rgba(242,162,58,.15); color: var(--white); }
.founding .fine { font-size: .88rem; color: #C9D5E6; margin-bottom: 0; }
.founding a:not(.btn) { color: var(--white); }

/* Testimonials */
.empty-state { text-align: center; border: 2px dashed var(--line); border-radius: 18px; padding: 2.5rem 1.5rem; background: var(--white); }
.empty-state svg { width: 56px; height: 56px; }
.empty-state h3 { margin-top: .6rem; }
.empty-state p { color: var(--muted); max-width: 52ch; margin: .3rem auto 0; }
.quote-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.quote-card blockquote { margin: 0 0 1rem; color: var(--text); font-size: 1.05rem; }
.quote-card figcaption { font-weight: 700; color: var(--navy); }
.quote-card figcaption span { display: block; font-weight: 500; color: var(--muted); font-size: .9rem; }
.quote-card.skeleton { color: transparent; }
.skeleton .bar { height: .7rem; background: var(--mist); border-radius: 6px; margin-bottom: .55rem; }
.skeleton .bar.short { width: 55%; }
.skeleton .who { display: flex; gap: .7rem; align-items: center; margin-top: 1.1rem; }
.skeleton .dot { width: 36px; height: 36px; border-radius: 50%; background: var(--mist); }

/* Aircraft compare */
.compare { width: 100%; border-collapse: collapse; margin: 1rem 0; background: var(--white); }
.compare th, .compare td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { background: var(--navy); color: var(--white); }
.compare tbody th { color: var(--navy); }
.plane-art { background: var(--navy); border-radius: 18px; padding: 1.5rem; }
.plane-art svg { display: block; width: 100%; height: auto; }

.footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }

/* Nav collapses to the Menu button below 1081px (8 nav items need the room) */
@media (max-width: 1080px) {
  .nav-toggle { display: inline-block; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1.25rem 1rem; border-bottom: 1px solid var(--line); max-height: calc(100vh - 110px); overflow-y: auto; box-shadow: 0 12px 24px rgba(11,31,58,.1); }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: .7rem 0; }
  .nav-links .has-sub { flex-wrap: wrap; justify-content: space-between; }
  .nav-links .has-sub > a { flex: 1; }
  .sub-toggle { padding: .6rem .8rem; border: 1px solid var(--line); }
  .nav-links .sub { position: static; width: 100%; min-width: 0; box-shadow: none; border: 0; border-left: 3px solid var(--accent); border-radius: 0; padding: 0 0 .4rem; margin-left: .2rem; }
  .nav-links .sub::before { display: none; }
  .nav-links .sub a { padding: .5rem .9rem; white-space: normal; }
  .nav-links .cta { text-align: center; margin-top: .5rem; }
}
@media (max-width: 980px) {
  .detail { grid-template-columns: 1fr; }
  .aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .founding { grid-template-columns: 1fr; padding: 1.6rem; }
  .founding .seat { width: 40px; height: 40px; }
  .compare { font-size: .92rem; }
  .compare th, .compare td { padding: .55rem .5rem; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Nav: section marker for training pages, and a slightly tighter desktop nav so all 8 items fit */
.nav-links a.in-section { border-bottom-color: var(--accent); }
@media (min-width: 1081px) {
  .nav-links { gap: 1.05rem; }
  .nav-links a { font-size: .93rem; white-space: nowrap; }
  .nav-links .cta { padding: .5rem .85rem; }
}