/* ===================================================================
   VORTEX GEOSPATIAL — dark techy theme (with light mode)
   =================================================================== */

:root{
  --bg-0:#05070a;
  --bg-1:#0a0e16;
  --bg-2:#0e131d;
  --panel:#0d121c;
  --panel-border:rgba(120,170,255,0.14);
  --text-0:#eef2f8;
  --text-1:#aab4c5;
  --text-2:#6d7789;
  --cyan:#00e5ff;
  --cyan-soft:#5ff3ff;
  --sky:#3e8bff;
  --violet:#8b5cf6;
  --magenta:#ff3ea5;
  --grad: linear-gradient(120deg, var(--cyan) 0%, var(--violet) 60%, var(--magenta) 100%);
  --grad-text: linear-gradient(120deg, var(--cyan) 0%, var(--violet) 60%, var(--magenta) 100%);

  /* theme-aware accent used for small text/icons that need contrast on the page bg */
  --accent-text: var(--cyan-soft);

  /* theme-aware surfaces / hairlines — dark defaults */
  --hairline: rgba(120,170,255,0.18);
  --hairline-strong: rgba(120,170,255,0.35);
  --card-surface-1: rgba(255,255,255,0.025);
  --card-surface-2: rgba(255,255,255,0.005);
  --card-surface-hover: rgba(0,229,255,0.045);
  --card-border-hover: rgba(0,229,255,0.35);
  --header-overlay: rgba(5,7,10,0.6);
  --header-border: rgba(255,255,255,0.06);
  --marquee-overlay: rgba(255,255,255,0.015);
  --input-bg: rgba(255,255,255,0.03);
  --input-bg-focus: rgba(0,229,255,0.04);
  --check-bg: rgba(0,229,255,0.1);
  --hud-glow: rgba(0,229,255,0.06);
  --glow-1: rgba(0,229,255,0.14);
  --glow-2: rgba(139,92,246,0.12);
  --glow-3: rgba(255,62,165,0.06);
  --grid-line: rgba(120,170,255,0.06);
  --scan-opacity: 0.5;

  --font-head:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
  --container: 1180px;
  --radius: 14px;
}

/* ---------- light theme overrides ---------- */
:root[data-theme="light"]{
  --bg-0:#f5f7fb;
  --bg-1:#eef1f7;
  --bg-2:#e6eaf2;
  --panel:#ffffff;
  --panel-border:rgba(15,23,42,0.11);
  --text-0:#0b1220;
  --text-1:#4a5568;
  --text-2:#7c8797;

  --accent-text:#0369a1;

  --grad-text: linear-gradient(120deg, #0369a1 0%, #7c3aed 60%, #db2777 100%);

  --hairline: rgba(15,23,42,0.14);
  --hairline-strong: rgba(15,23,42,0.28);
  --card-surface-1: rgba(15,23,42,0.028);
  --card-surface-2: rgba(15,23,42,0.006);
  --card-surface-hover: rgba(3,105,161,0.07);
  --card-border-hover: rgba(3,105,161,0.35);
  --header-overlay: rgba(245,247,251,0.75);
  --header-border: rgba(15,23,42,0.08);
  --marquee-overlay: rgba(15,23,42,0.025);
  --input-bg: rgba(15,23,42,0.035);
  --input-bg-focus: rgba(3,105,161,0.06);
  --check-bg: rgba(3,105,161,0.12);
  --hud-glow: rgba(3,105,161,0.08);
  --glow-1: rgba(3,180,220,0.07);
  --glow-2: rgba(139,92,246,0.06);
  --glow-3: rgba(255,62,165,0.035);
  --grid-line: rgba(15,23,42,0.05);
  --scan-opacity: 0;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-0);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background-color .35s ease, color .35s ease;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3{font-family:var(--font-head);font-weight:600;margin:0;letter-spacing:-0.01em;color:var(--text-0);}
p{margin:0;}

/* theme-aware transition catch-all for anything not more specifically handled below */
*{transition:background-color .3s ease, color .3s ease, border-color .3s ease;}

.text-gradient{
  background:var(--grad-text);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ---------- background layers ---------- */
.bg-grid{
  position:fixed;inset:0;z-index:-3;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, black 40%, transparent 90%);
  transition:background .35s ease;
}
.bg-glow{
  position:fixed;inset:0;z-index:-4;
  background:
    radial-gradient(700px 400px at 15% -5%, var(--glow-1), transparent 60%),
    radial-gradient(700px 500px at 100% 20%, var(--glow-2), transparent 60%),
    radial-gradient(900px 600px at 50% 100%, var(--glow-3), transparent 60%),
    var(--bg-0);
  transition:background .35s ease;
}
.scanline{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:repeating-linear-gradient(0deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 3px);
  opacity:var(--scan-opacity);
  transition:opacity .35s ease;
}

/* ---------- layout helpers ---------- */
section{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  padding:120px 32px;
}
.section-head{max-width:640px;margin-bottom:60px;}
.section-lead{color:var(--text-1);font-size:1.05rem;margin-top:16px;max-width:560px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:0.78rem;letter-spacing:0.14em;
  color:var(--accent-text);
  margin:0 0 18px;
  text-transform:uppercase;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px 2px var(--cyan);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.35;}}

h2{font-size:clamp(1.9rem, 3.2vw, 2.8rem); line-height:1.15;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border-radius:999px;
  font-family:var(--font-body);
  font-weight:600;font-size:0.92rem;
  cursor:pointer;border:none;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#04070c;
  box-shadow:0 0 0 0 rgba(0,229,255,0.5);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 8px 24px -6px rgba(0,229,255,0.45);}
.btn-ghost{
  background:rgba(255,255,255,0.02);
  box-shadow:inset 0 0 0 1px var(--panel-border);
  color:var(--text-0);
}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--accent-text); color:var(--accent-text); transform:translateY(-2px);}
.btn-lg{padding:15px 30px;font-size:0.98rem;}

/* ---------- theme toggle ---------- */
.theme-toggle{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;flex-shrink:0;
  border-radius:50%;
  background:rgba(255,255,255,0.02);
  border:1px solid var(--panel-border);
  color:var(--text-0);
  cursor:pointer;
  transition:background-color .3s ease, border-color .3s ease, color .3s ease, transform .2s ease;
}
.theme-toggle:hover{border-color:var(--accent-text); color:var(--accent-text); transform:translateY(-2px);}
.theme-toggle svg{width:18px;height:18px;}
.theme-toggle .icon-moon{display:none;}
:root[data-theme="light"] .theme-toggle .icon-sun{display:none;}
:root[data-theme="light"] .theme-toggle .icon-moon{display:block;}

/* ===================================================================
   HEADER / NAV
   =================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:var(--header-overlay);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--header-border);
  transition:background-color .35s ease, border-color .35s ease, box-shadow .2s ease;
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 32px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;}
.brand-mark{width:34px;height:34px;flex-shrink:0;}
.brand-name{
  font-family:var(--font-head);
  font-weight:700;
  font-size:1.05rem;
  letter-spacing:0.04em;
  line-height:1.1;
  display:flex;flex-direction:column;
}
.brand-sub{
  font-family:var(--font-mono);
  font-weight:400;
  font-size:0.58rem;
  letter-spacing:0.24em;
  color:var(--accent-text);
}
.brand-x-wrap{
  display:inline-block;
  width:0.875em;height:0.875em;
  vertical-align:-0.0875em;
}
.brand-x{width:100%;height:100%;}
.brand-x path{fill:currentColor;}
.brand-x-hub{fill:var(--bg-0);stroke:currentColor;stroke-width:2;}
.sr-only{
  position:absolute;width:1px;height:1px;
  padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.main-nav{display:flex;align-items:center;gap:28px;margin-right:8px;}
.main-nav a{
  font-size:0.9rem;color:var(--text-1);
  position:relative;padding:4px 0;
  transition:color .2s ease;
}
.main-nav a:hover{color:var(--text-0);}
.main-nav a::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover::after{transform:scaleX(1);}
.nav-cta{flex-shrink:0;}
.nav-toggle{display:none;}

/* propeller logo */
.prop-logo{width:100%;height:100%;}
.prop-ring{fill:none;stroke:var(--hairline-strong);stroke-width:2;}
.prop-hub{fill:var(--bg-0);stroke:var(--accent-text);stroke-width:2;}
.prop-blades{
  transform-origin:50px 50px;
  animation:spin 6s linear infinite;
}
.prop-blades .blade{fill:none;opacity:0.92;}
.prop-blades .blade:nth-child(1){fill:var(--cyan);}
.prop-blades .blade:nth-child(2){fill:var(--sky);}
.prop-blades .blade:nth-child(3){fill:var(--violet);}
.prop-blades .blade:nth-child(4){fill:var(--magenta);}
.brand:hover .prop-blades{animation-duration:1.1s;}
@keyframes spin{to{transform:rotate(360deg);}}
.prop-logo-sm{width:100%;height:100%;}

/* ===================================================================
   HERO
   =================================================================== */
.hero{
  max-width:var(--container);
  margin:0 auto;
  padding:180px 32px 100px;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:40px;
  align-items:center;
  min-height:88vh;
}
.hero-inner{max-width:620px;}
.hero h1{
  font-size:clamp(2.6rem, 5vw, 4.2rem);
  line-height:1.08;
  margin:0 0 22px;
}
.hero-lead{
  font-size:1.12rem;
  color:var(--text-1);
  max-width:540px;
  margin-bottom:36px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:flex;gap:40px;
  border-top:1px solid var(--panel-border);
  padding-top:28px;
}
.stat{display:flex;flex-direction:column;gap:4px;}
.stat-num{font-family:var(--font-head);font-size:1.5rem;font-weight:700;color:var(--text-0);}
.stat-label{font-size:0.78rem;color:var(--text-2);font-family:var(--font-mono);letter-spacing:0.04em;}

.hero-visual{display:flex;align-items:flex-start;justify-content:center;padding-top:10px;}
.drone-scan{width:100%;max-width:380px;}
.beam-stop-start{stop-color:var(--cyan);stop-opacity:0.28;}
.beam-stop-end{stop-color:var(--cyan);stop-opacity:0;}
.scan-cone{fill:url(#beamGrad);animation:pulse 3s ease-in-out infinite;}
.scan-line{fill:var(--cyan);filter:drop-shadow(0 0 6px var(--cyan));animation:scanSweep 3.2s ease-in-out infinite;}
@keyframes scanSweep{
  0%{transform:translateY(0);opacity:0;}
  8%{opacity:0.9;}
  85%{opacity:0.9;}
  100%{transform:translateY(362px);opacity:0;}
}
.capture-dots circle{r:3;fill:var(--cyan);filter:drop-shadow(0 0 4px var(--cyan));animation:pulse 2s ease-in-out infinite;}
.capture-dots circle:nth-child(2){animation-delay:.4s;}
.capture-dots circle:nth-child(3){animation-delay:.8s;}
.capture-dots circle:nth-child(4){animation-delay:1.2s;}
.drone-arm{stroke:var(--hairline-strong);stroke-width:3;stroke-linecap:round;}
.drone-hub{fill:var(--panel);stroke:var(--text-1);stroke-width:2;}
.drone-cam{fill:var(--bg-0);stroke:var(--accent-text);stroke-width:2;}

/* ===================================================================
   MARQUEE
   =================================================================== */
.marquee-section{max-width:none;padding:26px 0;border-top:1px solid var(--panel-border);border-bottom:1px solid var(--panel-border);background:var(--marquee-overlay);}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg, transparent, black 8%, black 92%, transparent);mask-image:linear-gradient(90deg, transparent, black 8%, black 92%, transparent);}
.marquee-track{
  display:flex;gap:28px;width:max-content;
  font-family:var(--font-mono);font-size:0.8rem;letter-spacing:0.1em;color:var(--text-2);
  animation:marquee 32s linear infinite;
}
.marquee-track span:nth-child(odd){color:var(--accent-text);opacity:0.6;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ===================================================================
   SERVICES
   =================================================================== */
.service-grid{
  display:grid;grid-template-columns:repeat(3, 1fr);gap:24px;
}
.service-card{
  background:linear-gradient(180deg, var(--card-surface-1), var(--card-surface-2));
  border:1px solid var(--panel-border);
  border-radius:var(--radius);
  padding:32px 26px;
  transition:transform .25s ease, border-color .25s ease, background .25s ease;
}
.service-card:hover{
  transform:translateY(-4px);
  border-color:var(--card-border-hover);
  background:linear-gradient(180deg, var(--card-surface-hover), var(--card-surface-2));
}
.card-icon{
  width:48px;height:48px;margin-bottom:20px;color:var(--accent-text);
}
.service-card h3{font-size:1.12rem;margin-bottom:10px;}
.service-card p{color:var(--text-1);font-size:0.92rem;}

/* ===================================================================
   PROCESS
   =================================================================== */
.process-grid{
  display:grid;grid-template-columns:repeat(5, 1fr);gap:20px;
}
.process-step{
  position:relative;
  padding-top:20px;
  border-top:1px solid var(--panel-border);
  transition:border-color .25s ease;
}
.process-step:hover{border-top-color:var(--accent-text);}
.step-num{
  display:block;
  font-family:var(--font-mono);
  font-size:0.85rem;
  color:var(--accent-text);
  margin-bottom:14px;
}
.process-step h3{font-size:1rem;margin-bottom:8px;}
.process-step p{color:var(--text-1);font-size:0.86rem;}

/* ===================================================================
   WHY
   =================================================================== */
.why-grid{
  display:grid;grid-template-columns:1fr;gap:60px;align-items:center;
}
.why-grid .why-copy{max-width:640px;}
.why-list{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.why-list li{display:flex;align-items:center;gap:12px;color:var(--text-1);font-size:0.95rem;}
.check{
  width:22px;height:22px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--check-bg);
  color:var(--accent-text);
  font-size:0.72rem;
}
/* ===================================================================
   ABOUT
   =================================================================== */
.about .section-head{max-width:760px;}

/* ===================================================================
   CONTACT
   =================================================================== */
.contact-grid{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;
}
.contact-details{display:flex;flex-direction:column;gap:12px;margin-top:32px;font-family:var(--font-mono);font-size:0.92rem;}
.contact-details a{color:var(--accent-text);}
.contact-details a:hover{text-decoration:underline;}
.contact-details span{color:var(--text-2);}

.contact-form{
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:var(--radius);
  padding:32px;
  display:flex;flex-direction:column;gap:18px;
  transition:background-color .35s ease, border-color .35s ease;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.contact-form label{display:flex;flex-direction:column;gap:8px;font-size:0.82rem;color:var(--text-1);}
.contact-form label.full{width:100%;}
.contact-form input, .contact-form select, .contact-form textarea{
  background:var(--input-bg);
  border:1px solid var(--panel-border);
  border-radius:8px;
  padding:11px 14px;
  color:var(--text-0);
  font-family:var(--font-body);
  font-size:0.92rem;
  outline:none;
  transition:border-color .2s ease, background-color .2s ease, color .2s ease;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus{
  border-color:var(--accent-text);
  background:var(--input-bg-focus);
}
.contact-form textarea{resize:vertical;font-family:var(--font-body);}
.contact-form button{margin-top:6px;}
.form-note{font-size:0.85rem;color:var(--accent-text);min-height:1em;}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer{
  border-top:1px solid var(--panel-border);
  padding:48px 32px;
}
.footer-inner{
  max-width:var(--container);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;
}
.footer-nav{display:flex;gap:24px;}
.footer-nav a{font-size:0.86rem;color:var(--text-1);}
.footer-nav a:hover{color:var(--accent-text);}
.footer-legal{font-size:0.78rem;color:var(--text-2);font-family:var(--font-mono);width:100%;text-align:center;margin-top:8px;}
.site-footer .brand-mark{width:28px;height:28px;}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.revealed{opacity:1;transform:translateY(0);}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 980px){
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(3,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .hero{grid-template-columns:1fr;padding-top:150px;}
  .hero-visual{max-width:320px;margin:0 auto;}
}

@media (max-width: 720px){
  .main-nav, .nav-cta{display:none;}
  .nav-toggle{
    display:flex;flex-direction:column;gap:5px;
    background:none;border:none;cursor:pointer;padding:6px;
  }
  .nav-toggle span{width:22px;height:2px;background:var(--text-0);border-radius:2px;transition:background-color .3s ease;}
  .main-nav.open{
    display:flex;flex-direction:column;
    position:absolute;top:100%;left:0;right:0;
    background:var(--bg-1);
    padding:20px 32px;gap:18px;
    border-bottom:1px solid var(--panel-border);
  }
  .service-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .hero-stats{flex-wrap:wrap;gap:24px;}
  .form-row{grid-template-columns:1fr;}
  section{padding:90px 20px;}
  .nav-wrap{padding:14px 20px;}
}