/* ===== Strata Drone Imaging — shared styles ===== */
:root{
  /* palette pulled from the logo */
  --navy-900:#0a1626;
  --navy-800:#0d1d33;
  --navy-700:#102541;
  --navy-600:#143052;
  --panel:#0f2138;
  --line:rgba(143,184,232,.14);
  --line-strong:rgba(143,184,232,.28);
  --ink:#eaf2fc;
  --muted:#9fb4d0;
  --muted-dim:#6f86a6;
  --ice:#cfe0f5;
  --steel:#6f9fd8;
  --blue:#2f6db3;
  --blue-bright:#4f93e0;
  --grad: linear-gradient(160deg,#a9c8ee 0%,#5b8fd6 42%,#2a5fa0 100%);
  --grad-text: linear-gradient(135deg,#cfe0f5,#6f9fd8 60%,#2f6db3);
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--navy-900);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.center{text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--grad);color:#06121f;font-weight:700;
  padding:14px 28px;border-radius:980px;font-size:.98rem;letter-spacing:.2px;
  border:none;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(79,147,224,.34);filter:brightness(1.05)}
.btn-ghost{background:transparent;color:var(--ice);border:1.5px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--steel);box-shadow:none;background:rgba(143,184,232,.06)}
.btn-sm{padding:10px 20px;font-size:.9rem}
.btn-link{color:var(--blue-bright);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .25s var(--ease)}
.btn-link:hover{gap:11px}
.btn-link::after{content:"›";font-size:1.2em;line-height:1}

/* ---------- header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:64px;
  background:rgba(10,22,38,.62);backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
header.scrolled{border-bottom-color:var(--line);background:rgba(10,22,38,.82)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.12rem;letter-spacing:.5px}
.brand .logo-svg{width:30px;height:30px;flex:none}
.brand b{font-weight:800}
.brand .sub{color:var(--steel);font-weight:500}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{color:var(--muted);font-size:.93rem;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:18px}
.burger{display:none;background:none;border:none;color:var(--ink);font-size:1.5rem;cursor:pointer;line-height:1}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 80px;overflow:hidden;
  background:
    radial-gradient(1100px 620px at 50% -8%,rgba(47,109,179,.30),transparent 62%),
    radial-gradient(800px 500px at 85% 110%,rgba(79,147,224,.12),transparent 60%),
    var(--navy-900);
}
.hero-inner{position:relative;z-index:3;text-align:center;max-width:880px;margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;color:var(--steel);
  font-size:.78rem;font-weight:600;letter-spacing:2.5px;text-transform:uppercase;
  margin-bottom:22px;padding:7px 16px;border:1px solid var(--line-strong);border-radius:980px;
  background:rgba(143,184,232,.05);
}
h1{
  font-size:clamp(2.6rem,6.4vw,5rem);line-height:1.02;font-weight:800;
  letter-spacing:-2px;margin-bottom:24px;
}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lede{font-size:clamp(1.1rem,2.2vw,1.4rem);color:var(--muted);max-width:620px;margin:0 auto 36px;font-weight:400}
.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* drone stage */
.drone-stage{position:absolute;inset:0;z-index:1;display:flex;align-items:center;justify-content:center;pointer-events:none}
.drone-svg{width:min(640px,86vw);opacity:.20;will-change:transform}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:3;color:var(--muted-dim);font-size:.74rem;letter-spacing:2px;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue .mouse{width:22px;height:34px;border:1.5px solid var(--muted-dim);border-radius:12px;position:relative}
.scroll-cue .mouse::after{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:3px;height:6px;border-radius:2px;background:var(--steel);animation:scrolly 1.6s var(--ease) infinite}
@keyframes scrolly{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}

/* ---------- sections ---------- */
section{padding:clamp(70px,9vw,120px) 0;position:relative}
.sec-head{max-width:720px;margin:0 auto 60px;text-align:center}
.sec-head .eyebrow{margin-bottom:18px}
h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-1.2px;line-height:1.08;margin-bottom:16px}
.sec-head p{color:var(--muted);font-size:1.12rem}
.lead-band{font-size:clamp(1.5rem,3.4vw,2.4rem);font-weight:700;letter-spacing:-1px;line-height:1.25;max-width:900px;margin:0 auto;text-align:center}
.lead-band .grad-text{font-weight:800}

/* value strip */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value .ic{width:46px;height:46px;margin-bottom:16px}
.value h4{font-size:1.08rem;margin-bottom:8px}
.value p{color:var(--muted);font-size:.94rem}

/* service teaser cards */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.svc-card{
  position:relative;border-radius:20px;overflow:hidden;min-height:340px;
  display:flex;flex-direction:column;justify-content:flex-end;padding:30px;
  border:1px solid var(--line);background:var(--panel);
  transition:transform .4s var(--ease),border-color .4s;
}
.svc-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.svc-card .media{position:absolute;inset:0;z-index:0}
.svc-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);opacity:.55}
.svc-card:hover .media img{transform:scale(1.06)}
.svc-card .media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--navy-900) 6%,rgba(10,22,38,.2) 70%,rgba(10,22,38,.45))}
.svc-card .body{position:relative;z-index:2}
.svc-card h3{font-size:1.45rem;margin-bottom:8px;letter-spacing:-.5px}
.svc-card p{color:var(--muted);font-size:.96rem;margin-bottom:14px}

/* split feature rows */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev .copy{order:2}
.split .copy .eyebrow{margin-bottom:16px}
.split .copy h3{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-1px;margin-bottom:14px;line-height:1.1}
.split .copy p{color:var(--muted);font-size:1.05rem;margin-bottom:20px}
.split .visual{border-radius:20px;overflow:hidden;aspect-ratio:4/3;border:1px solid var(--line);background:var(--panel)}
.split .visual img{width:100%;height:100%;object-fit:cover}

/* checklist */
.checks{list-style:none;display:flex;flex-direction:column;gap:11px}
.checks li{position:relative;padding-left:30px;color:var(--muted)}
.checks li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--grad);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/15px no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/15px no-repeat;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{padding:28px 24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
.step .num{font-size:.78rem;font-weight:700;letter-spacing:1.5px;color:var(--steel)}
.step h4{font-size:1.12rem;margin:10px 0 8px}
.step p{color:var(--muted);font-size:.92rem}

/* ---------- pricing / services tabs ---------- */
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:44px;
  background:var(--panel);border:1px solid var(--line);border-radius:980px;padding:6px;width:fit-content;margin-left:auto;margin-right:auto}
.tab{background:none;border:none;color:var(--muted);font-weight:600;font-size:.95rem;padding:11px 26px;border-radius:980px;cursor:pointer;transition:all .3s var(--ease);font-family:inherit}
.tab:hover{color:var(--ink)}
.tab.active{background:var(--grad);color:#06121f}
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:0 auto}
.tier{border:1px solid var(--line);border-radius:20px;padding:32px 28px;background:var(--panel);position:relative;transition:transform .35s var(--ease),border-color .35s;display:flex;flex-direction:column}
.tier:hover{transform:translateY(-5px)}
.tier.featured{border-color:var(--steel);box-shadow:0 0 0 1px var(--steel),0 30px 60px rgba(47,109,179,.18)}
.tier .flag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#06121f;font-size:.72rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;padding:6px 16px;border-radius:980px}
.tier .kicker{color:var(--muted-dim);font-size:.82rem;font-weight:600;letter-spacing:.5px;text-transform:uppercase}
.tier h3{font-size:1.6rem;margin:4px 0 6px;letter-spacing:-.5px}
.tier .scope{color:var(--steel);font-weight:600;font-size:.95rem;margin-bottom:20px}
.tier .checks{margin-bottom:26px;flex:1}
.tier .checks li{font-size:.93rem}
.tier .btn{width:100%;justify-content:center;margin-top:auto}
.price-note{text-align:center;color:var(--muted-dim);font-size:.9rem;margin-top:28px}

/* add-ons */
.addons{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:1000px;margin:34px auto 0}
.addon{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:var(--panel);font-weight:600;font-size:.94rem}
.addon .ic{width:22px;height:22px;flex:none;color:var(--steel)}

/* ---------- estimate tool ---------- */
.estimate{max-width:760px;margin:0 auto;border:1px solid var(--line-strong);border-radius:24px;background:linear-gradient(165deg,var(--navy-700),var(--navy-800));padding:clamp(28px,4vw,48px);box-shadow:0 40px 90px rgba(0,0,0,.4)}
.est-row{margin-bottom:26px}
.est-row > label{display:block;font-size:.82rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--steel);margin-bottom:12px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{border:1px solid var(--line-strong);background:rgba(143,184,232,.04);color:var(--muted);border-radius:980px;padding:11px 20px;font-size:.92rem;font-weight:600;cursor:pointer;transition:all .25s var(--ease);font-family:inherit;user-select:none}
.chip:hover{color:var(--ink);border-color:var(--steel)}
.chip.sel{background:var(--grad);color:#06121f;border-color:transparent}
.est-range{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
input[type=range]{flex:1;min-width:200px;accent-color:var(--blue-bright)}
.est-range .val{font-weight:700;color:var(--ice);min-width:96px;text-align:right}
.gate{border-top:1px solid var(--line);margin-top:8px;padding-top:26px}
.gate .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}
.field label{display:block;font-size:.84rem;font-weight:600;margin-bottom:7px}
input[type=text],input[type=email],textarea,select{
  width:100%;background:var(--navy-900);border:1px solid var(--line-strong);border-radius:11px;
  padding:13px 15px;color:var(--ink);font-family:inherit;font-size:.96rem;transition:border-color .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue-bright)}
.result{display:none;margin-top:26px;border-radius:18px;padding:28px;text-align:center;background:rgba(47,109,179,.12);border:1px solid var(--line-strong)}
.result.show{display:block;animation:pop .5s var(--ease)}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
.result .est-num{font-size:clamp(2.4rem,6vw,3.4rem);font-weight:800;letter-spacing:-1.5px;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.result .est-sub{color:var(--muted);font-size:.95rem;margin-top:6px}

/* ---------- cinematic video band ---------- */
.video-band{position:relative;min-height:74vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.video-band > video,.video-band > .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.video-band::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,var(--navy-900) 2%,rgba(10,22,38,.55) 45%,rgba(10,22,38,.72))}
.video-band .content{position:relative;z-index:2;max-width:760px;padding:40px 28px}
.video-band .eyebrow{margin-bottom:18px}
.video-band h2{margin-bottom:14px}
.video-band p{color:var(--ice);font-size:1.12rem;margin-bottom:26px}

/* image gallery strip */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery .shot{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:4/3;border:1px solid var(--line)}
.gallery .shot img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.gallery .shot:hover img{transform:scale(1.07)}
.gallery .shot span{position:absolute;left:12px;bottom:10px;z-index:2;font-size:.78rem;font-weight:600;letter-spacing:.3px;color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.6)}
.gallery .shot::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,22,38,.6),transparent 55%)}
@media(max-width:760px){.gallery{grid-template-columns:1fr 1fr}}

/* ---------- CTA band ---------- */
.cta-band{background:
   radial-gradient(700px 360px at 50% 0%,rgba(47,109,179,.30),transparent 65%),var(--navy-800);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--muted);font-size:1.1rem;margin-bottom:28px}

/* ---------- about ---------- */
.placeholder{border:1px dashed var(--line-strong);border-radius:16px;padding:30px;color:var(--muted-dim);background:rgba(143,184,232,.03)}
.placeholder .tag{display:inline-block;font-size:.74rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--steel);font-weight:700;margin-bottom:10px}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.member{text-align:center}
.member .avatar{aspect-ratio:1;border-radius:18px;background:linear-gradient(160deg,var(--navy-600),var(--navy-800));border:1px solid var(--line);margin-bottom:14px;display:grid;place-items:center;color:var(--steel);font-size:2rem}
.member h4{font-size:1.05rem}
.member span{color:var(--muted);font-size:.88rem}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:54px 0 36px;background:var(--navy-900)}
.foot-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:34px}
.foot-col h5{font-size:.78rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted-dim);margin-bottom:14px}
.foot-col a{display:block;color:var(--muted);font-size:.93rem;margin-bottom:9px;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.foot-brand{max-width:280px}
.foot-brand p{color:var(--muted);font-size:.92rem;margin-top:14px}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted-dim);font-size:.85rem}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .values,.steps{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:1fr}
  .split,.split.rev{grid-template-columns:1fr;gap:30px}
  .split.rev .copy{order:0}
  .tier-grid{grid-template-columns:1fr;max-width:440px}
  .addons{grid-template-columns:1fr 1fr}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:fixed;top:64px;left:0;right:0;flex-direction:column;gap:0;background:rgba(13,29,51,.97);backdrop-filter:blur(18px);padding:8px 0;border-bottom:1px solid var(--line)}
  .nav-links.open a{padding:15px 28px;border-bottom:1px solid var(--line)}
  .burger{display:block}
}
@media(max-width:560px){
  .values,.steps,.addons,.gate .grid2,.team-grid{grid-template-columns:1fr}
  .foot-top{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}