/* Amagi Vertiports: static site styles. No build step. */
:root{
  --navy-950:#040d1f; --navy-900:#06142b; --navy-800:#0a1f44; --navy-700:#0f2f63;
  --sky:#38bdf8; --sky-200:#bae6fd; --sky-100:#e0f2fe; --teal:#2dd4bf; --teal-600:#0f766e;
  --ink:#0b1b33; --muted:#475569; --bg:#ffffff; --bg-soft:#f3f8fc; --line:#d9e5f0;
  --radius:16px; --shadow:0 10px 30px rgba(6,20,43,.10);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:1.0625rem}
img,svg{max-width:100%;height:auto;display:block}
a{color:#0369a1;text-underline-offset:3px}
a:hover{color:var(--teal-600)}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--navy-900);padding:.6rem 1rem;border-radius:8px;z-index:100;font-weight:700}
.skip:focus{left:8px}
.wrap{width:min(100% - 2.5rem,var(--max));margin-inline:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .6em;color:var(--navy-900)}
h1{font-size:clamp(2.2rem,5.4vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-600);margin-bottom:.8rem}
.lead{font-size:1.2rem;color:var(--muted);max-width:62ch}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(6,20,43,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(56,189,248,.18)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font-weight:800;letter-spacing:.02em}
.brand img{width:auto;height:40px;display:block}
.brand span small{display:block;font-size:.65rem;letter-spacing:.22em;color:var(--teal);font-weight:700;margin-top:-2px}
.nav ul{display:flex;gap:.25rem;list-style:none;margin:0;padding:0;flex-wrap:wrap;align-items:center}
.nav a.link{color:var(--sky-100);text-decoration:none;padding:.5rem .8rem;border-radius:999px;font-size:.95rem;font-weight:600;display:inline-block}
.nav a.link:hover,.nav a.link[aria-current="page"]{background:rgba(56,189,248,.16);color:#fff}
.menu-btn{display:none;background:none;border:1px solid rgba(186,230,253,.4);color:#fff;border-radius:10px;padding:.5rem .8rem;font:inherit;font-weight:600;cursor:pointer}
@media (max-width:860px){
  .js .menu-btn{display:inline-block}
  .js .nav ul{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:1rem}
  .js .nav ul.open{display:flex}
  .js .nav a.link{padding:.8rem 1rem}
  .nav{padding-block:.4rem}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;font-size:1rem;cursor:pointer;font-family:inherit;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:var(--navy-950)}
.btn-primary:hover{background:#5eead4;color:var(--navy-950)}
.btn-ghost{border-color:rgba(186,230,253,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-dark:hover{background:var(--navy-700);color:#fff}
.cta-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(45,212,191,.25),transparent 60%),linear-gradient(160deg,var(--navy-950),var(--navy-800) 60%,#0b4a78);color:#fff;padding:clamp(3rem,7vw,6rem) 0}
.hero h1{color:#fff}
.hero .lead{color:var(--sky-200)}
.hero .eyebrow{color:var(--teal)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.hero-art{border-radius:28px;box-shadow:0 30px 60px rgba(0,0,0,.4)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.2rem;max-width:520px}
.hero-stats div{border-left:3px solid var(--teal);padding-left:.8rem}
.hero-stats strong{display:block;font-size:1.6rem;color:#fff;line-height:1.1}
.hero-stats span{font-size:.85rem;color:var(--sky-200)}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}

.page-hero{background:linear-gradient(160deg,var(--navy-950),var(--navy-800));color:#fff;padding:clamp(2.5rem,6vw,4.5rem) 0}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.1rem)}
.page-hero .lead{color:var(--sky-200)}
.page-hero .eyebrow{color:var(--teal)}

/* sections */
section{padding:clamp(3rem,6vw,5rem) 0}
.soft{background:var(--bg-soft)}
.dark{background:linear-gradient(170deg,var(--navy-900),var(--navy-800));color:var(--sky-100)}
.dark h2,.dark h3{color:#fff}
.dark .eyebrow{color:var(--teal)}
.dark .lead{color:var(--sky-200)}
.dark a{color:var(--sky)}
.sec-head{max-width:720px;margin-bottom:2.4rem}
.grid{display:grid;gap:1.4rem}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.card p:last-child{margin-bottom:0}
.dark .card{background:rgba(255,255,255,.06);border-color:rgba(56,189,248,.25);box-shadow:none}
.dark .card h3{color:#fff}
.icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--sky),var(--teal));display:grid;place-items:center;margin-bottom:1rem}
.icon svg{width:26px;height:26px;stroke:var(--navy-950);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:2rem}}
.checks{list-style:none;padding:0;margin:0 0 1em}
.checks li{padding-left:2rem;position:relative;margin-bottom:.7rem}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:1.2rem;height:1.2rem;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23040d1f' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/80% no-repeat}

/* steps */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;position:relative;box-shadow:var(--shadow)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--navy-900);color:var(--teal);font-weight:800;margin-bottom:.9rem}
.steps h3{font-size:1.1rem}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* spec table */
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1.6rem 0}
.spec{background:var(--navy-900);color:var(--sky-200);border-radius:14px;padding:1.1rem 1.2rem}
.spec strong{display:block;font-size:2rem;color:var(--teal);line-height:1}
.spec span{font-size:.9rem}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
th,td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--navy-900);color:#fff;font-size:.9rem}
tr:last-child td{border-bottom:0}
.table-scroll{overflow-x:auto}

/* timeline */
.timeline{list-style:none;padding:0 0 0 1.6rem;margin:0;border-left:3px solid var(--sky)}
.timeline li{position:relative;padding:0 0 1.8rem 1.2rem}
.timeline li::before{content:"";position:absolute;left:-2.15rem;top:.3rem;width:16px;height:16px;border-radius:50%;background:var(--teal);border:3px solid #fff;box-shadow:0 0 0 2px var(--sky)}
.timeline .when{font-weight:800;color:var(--teal-600);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase}
.dark .timeline .when{color:var(--teal)}
.dark .timeline li::before{border-color:var(--navy-900)}

/* sites */
.site-card h3{display:flex;align-items:center;gap:.6rem}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.25rem .65rem;border-radius:999px;background:var(--sky-100);color:#075985}
.dark .tag{background:rgba(56,189,248,.18);color:var(--sky-200)}

/* team */
.avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--navy-700),var(--teal-600));color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.5rem;margin-bottom:1rem}

/* notes */
.note{border-left:4px solid var(--teal);background:var(--bg-soft);padding:1rem 1.2rem;border-radius:0 12px 12px 0;color:var(--muted);font-size:.95rem}

/* CTA */
.cta{background:linear-gradient(120deg,var(--navy-900),#0b4a78 70%,var(--teal-600));color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:var(--sky-200);max-width:60ch;margin-inline:auto}
.cta .cta-row{justify-content:center}

/* form */
form{display:grid;gap:1.1rem}
label{font-weight:700;font-size:.95rem;display:block;margin-bottom:.35rem}
input,select,textarea{width:100%;font:inherit;padding:.8rem 1rem;border:1.5px solid #94a3b8;border-radius:12px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(45,212,191,.5);border-color:var(--teal-600)}
textarea{min-height:150px;resize:vertical}
.hint{font-size:.88rem;color:var(--muted)}

/* footer */
.site-footer{background:var(--navy-950);color:var(--sky-200);padding:3rem 0 2rem;font-size:.95rem}
.site-footer a{color:var(--sky-100)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}
.site-footer h2{font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:.8rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.4rem}
.legal{border-top:1px solid rgba(56,189,248,.2);margin-top:2rem;padding-top:1.2rem;font-size:.85rem;color:#8fb3d1}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}
.tag-tentative{background:#fff1c2;color:#7a4b00}
.dark .tag-tentative{background:#3b2f00;color:#fde68a}

/* Airport brief (print-friendly) */
.brief{padding:2.5rem 0 3rem}
.brief-head{border-bottom:3px solid var(--teal);margin-bottom:1.4rem;padding-bottom:1rem}
.brief-head h1{font-size:clamp(1.8rem,4vw,2.4rem);margin-bottom:.4rem}
.brief-head .lead{font-size:1rem;margin:0}
.brief-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem 2rem}
.brief-grid section{padding:0;break-inside:avoid}
.brief-grid h2{font-size:1.1rem;color:var(--teal-600);margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.06em}
.brief-wide{grid-column:1/-1}
.brief-list{margin:0;padding-left:1.2rem}
.brief-list li{margin-bottom:.3rem}
.brief-steps{list-style:none;counter-reset:b;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:0}
.brief-steps li{counter-increment:b;background:var(--navy-900);color:#fff;border-radius:999px;padding:.35rem .9rem;font-weight:600;font-size:.95rem}
.brief-steps li::before{content:counter(b)". ";color:var(--teal);font-weight:800}
.brief-foot{border-top:1px solid var(--line);margin-top:1.4rem;padding-top:.8rem;font-size:.85rem;color:var(--muted)}
@media (max-width:700px){.brief-grid{grid-template-columns:1fr}}
@media print{
  @page{size:Letter;margin:.5in}
  body{font-size:10.5pt;line-height:1.4;color:#000}
  .site-header,.site-footer,.skip,.no-print{display:none!important}
  .brief{padding:0}
  .brief-grid{gap:.6rem 1.4rem}
  .brief-head h1{font-size:20pt}
  .brief-steps li{background:#fff;color:#000;border:1px solid #0a1f44;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  a{color:#000;text-decoration:none}
}

/* concept figure */
.concept{margin:0 auto;max-width:960px}
.concept img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.concept figcaption{margin-top:.9rem;font-size:.88rem;color:var(--muted)}

/* Motion & concept imagery (animations disabled under prefers-reduced-motion) */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;overflow:hidden;background:var(--navy-900)}
.hero-bg img{width:100%;height:100%;max-width:none;object-fit:cover;object-position:60% 50%;transform-origin:60% 45%;animation:kenburns 24s ease-in-out infinite alternate;will-change:transform}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(4,13,31,.92) 0%,rgba(6,20,43,.80) 40%,rgba(10,31,68,.40) 72%,rgba(11,74,120,.22) 100%),linear-gradient(180deg,rgba(4,13,31,.15),rgba(4,13,31,.55))}
.hero-credit{position:relative;margin:1.6rem auto 0;font-size:.8rem;color:var(--sky-200);text-align:right}
@keyframes kenburns{from{transform:scale(1.04) translate3d(0,0,0)}to{transform:scale(1.16) translate3d(-2.5%,-1.5%,0)}}
@media (max-width:860px){.hero-bg img{object-position:62% 50%}.hero-credit{text-align:left}}

.px-frame{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid rgba(56,189,248,.3);box-shadow:0 20px 50px rgba(0,0,0,.35);aspect-ratio:16/9;background:var(--navy-900)}
.px-frame img{width:100%;height:100%;max-width:none;object-fit:cover;transform:translate3d(0,var(--py,0),0) scale(var(--pz,1));will-change:transform}
.dark .concept figcaption,.dark figcaption.hint{color:var(--sky-200)}
.dark .concept{max-width:960px}
.dark .sec-head .lead{margin-bottom:0}
.drone-img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);width:100%;height:auto}
.split figure{margin:0}
.split figcaption{margin-top:.8rem}

.reveal-ready .reveal{opacity:0;transform:translate3d(0,26px,0);transition:opacity .9s ease,transform .9s ease}
.reveal-ready .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .hero-bg img{animation:none;transform:none;will-change:auto}
  .px-frame img{transform:none;will-change:auto}
  .reveal-ready .reveal,.reveal-ready .reveal.in{opacity:1;transform:none;transition:none}
}

.hero-grid{grid-template-columns:minmax(0,640px)}
.hero{min-height:min(88vh,720px);display:flex;flex-direction:column;justify-content:center}

/* From driveway to airport: animated SVG story (static fallback via <picture> under prefers-reduced-motion) */
.story{margin:0;max-width:960px}
.story-frame{border-radius:var(--radius);overflow:hidden;border:1px solid rgba(56,189,248,.3);box-shadow:0 20px 50px rgba(0,0,0,.35);background:var(--navy-950);aspect-ratio:16/9}
.story-frame img{display:block;width:100%;height:auto}
.story figcaption{margin-top:.9rem;color:var(--sky-200)}

/* Concept videos: muted loops played only while on screen (assets/main.js); under prefers-reduced-motion they show the poster with controls and never autoplay */
.nav a.link{white-space:nowrap}
.vid{margin:0}
.vid-media{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:var(--navy-900)}
.dark .vid-media{border-color:rgba(56,189,248,.3);box-shadow:0 20px 50px rgba(0,0,0,.35)}
.vid figcaption{margin-top:.8rem}
.dark .vid figcaption{color:var(--sky-200)}
.vid-row{margin-top:2rem;align-items:start}
.vid-row .vid-media{box-shadow:0 6px 18px rgba(6,20,43,.10)}
.vid-more{margin:1.2rem 0 0;font-weight:700}
.card .vid{margin-top:1.2rem}
@media (min-width:861px){.split.media-left>figure{order:-1}}
/* Home: compact drone delivery row in the vision section */
.drone-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:1.8rem;align-items:center;margin-top:1.4rem}
.drone-row figure{margin:0}
.drone-row figcaption{margin-top:.6rem}
.drone-row .drone-img{box-shadow:none}
@media (max-width:760px){.drone-row{grid-template-columns:1fr;gap:1.2rem}}
/* Use cases: traffic management diagram (desktop SVG; stacked SVG via <picture> at <=760px) */
.traffic-intro{max-width:72ch;margin-bottom:.4rem}
.traffic-fig{max-width:none;margin-top:1.6rem}
.traffic-fig img{background:var(--navy-800);border-color:rgba(56,189,248,.3)}
.traffic-copy{margin-top:2.2rem}
.traffic-copy h3{margin-bottom:.8rem}
@media (max-width:760px){.traffic-fig img{max-width:480px;margin-inline:auto}.traffic-fig figcaption{text-align:center}}
#traffic{scroll-margin-top:68px}
.foot-logo{display:inline-block}
.foot-logo img{width:240px;height:auto;display:block}
@media (max-width:760px){.foot-logo img{width:200px}}