/* ---------------------------------------------
   Rotor Network — design tokens
--------------------------------------------- */
:root{
  --navy-950:#0B0B0B;
  --navy-900:#151513;
  --navy-800:#1D1D1A;
  --navy-700:#28281F;
  --line-800:#37372F;
  --paper-100:#EDECE8;
  --paper-200:#DEDCD3;
  --ink-900:#151513;
  --ink-700:#3A3A34;
  --text-light:#D3D1C7;
  --text-muted:#8C8B84;
  --copper-400:#C13D3C;
  --copper-500:#A32D2D;
  --cyan-400:#85B7EB;
  --metal-300:#B4B2A9;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --wrap:1160px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

body{
  margin:0;
  background:var(--paper-100);
  color:var(--ink-900);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:-0.01em;
  margin:0 0 .5em;
  color:inherit;
}

p{margin:0 0 1em;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute;left:-999px;top:0;
  background:var(--copper-500);color:var(--navy-950);
  padding:10px 16px;z-index:200;
}
.skip-link:focus{left:16px;top:16px;}

:focus-visible{outline:2px solid var(--copper-400);outline-offset:3px;}

/* ---------------------------------------------
   Header
--------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,22,32,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-800);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.wordmark{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:18px;
  letter-spacing:.04em;
  color:var(--paper-100);
}
.wordmark-icon{width:26px;height:26px;color:var(--copper-400);}
.wordmark-thin{font-weight:500;color:var(--text-muted);margin-left:6px;}

.main-nav{display:flex;gap:32px;}
.main-nav a{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.03em;
  color:var(--text-light);
  padding:8px 0;
  border-bottom:1px solid transparent;
  transition:border-color .2s, color .2s;
}
.main-nav a:hover{color:var(--copper-400);border-color:var(--copper-400);}

@media (max-width:820px){
  .main-nav{display:none;}
}

/* ---------------------------------------------
   Buttons
--------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:14px;
  padding:12px 20px;
  border-radius:3px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn svg{width:16px;height:16px;}
.btn:hover{transform:translateY(-1px);}

.btn-primary{background:var(--copper-500);color:var(--navy-950);}
.btn-primary:hover{background:var(--copper-400);}

.btn-outline{border-color:var(--line-800);color:var(--paper-100);}
.btn-outline:hover{border-color:var(--copper-400);color:var(--copper-400);}

.btn-ghost{
  border-color:var(--line-800);color:var(--text-light);font-size:13px;padding:9px 16px;
}
.btn-ghost:hover{border-color:var(--copper-400);color:var(--copper-400);}

@media (max-width:640px){
  .header-call{display:none;}
}

/* ---------------------------------------------
   Hero
--------------------------------------------- */
.hero{
  position:relative;
  background:var(--navy-950);
  color:var(--paper-100);
  overflow:hidden;
  padding:96px 0 80px;
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--navy-800) 1px, transparent 1px),
    linear-gradient(90deg, var(--navy-800) 1px, transparent 1px);
  background-size:48px 48px;
  opacity:.35;
  mask-image:radial-gradient(ellipse at 30% 30%, black 0%, transparent 70%);
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
}
@media (max-width:920px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{order:-1;max-width:280px;margin:0 auto;}
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--cyan-400);
  text-transform:uppercase;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(34px,5vw,54px);
  line-height:1.08;
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;
  color:var(--text-light);
  max-width:46ch;
  margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.hero-visual{display:flex;align-items:center;justify-content:center;}
.rotor-svg{width:100%;max-width:400px;height:auto;}
.rotor-centre-mark{fill:var(--line-800);}
.rotor-orbit{
  transform-origin:200px 200px;
  animation:rotor-orbit 9s linear infinite;
}
.rotor-body{
  fill:var(--navy-800);
  stroke:var(--metal-300);
  stroke-width:2.5;
}
.rotor-dish{
  fill:none;
  stroke:var(--copper-400);
  stroke-width:1.5;
  opacity:.75;
}
.rotor-bore{
  fill:var(--navy-950);
  stroke:var(--copper-500);
  stroke-width:2;
}
@keyframes rotor-orbit{
  0%  {transform:rotate(0deg)   translate(0,0);}
  25% {transform:rotate(90deg)  translate(4px,0);}
  50% {transform:rotate(180deg) translate(0,4px);}
  75% {transform:rotate(270deg) translate(-4px,0);}
  100%{transform:rotate(360deg) translate(0,0);}
}

/* ---------------------------------------------
   Trust strip
--------------------------------------------- */
.trust-strip{
  background:var(--navy-900);
  border-bottom:1px solid var(--line-800);
  padding:16px 0;
}
.trust-inner{
  display:flex;align-items:center;justify-content:center;
  flex-wrap:wrap;gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--text-muted);
  text-align:center;
}
.trust-divider{color:var(--line-800);}

/* ---------------------------------------------
   Section shared
--------------------------------------------- */
.section-eyebrow{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--copper-500);
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(26px,3.4vw,36px);
  max-width:20ch;
}

/* ---------------------------------------------
   Services / Tabs
--------------------------------------------- */
.services{padding:88px 0;}
.tabs{
  display:flex;flex-wrap:wrap;gap:8px;
  margin:40px 0 32px;
  border-bottom:1px solid var(--paper-200);
  padding-bottom:0;
}
.tab-btn{
  font-family:var(--font-mono);
  font-size:13.5px;
  background:transparent;
  border:none;
  padding:12px 16px;
  color:var(--ink-700);
  cursor:pointer;
  border-bottom:2px solid transparent;
  margin-bottom:-1px;
  transition:color .2s, border-color .2s;
}
.tab-btn:hover{color:var(--copper-500);}
.tab-btn.is-active{
  color:var(--navy-950);
  border-bottom-color:var(--copper-500);
  font-weight:600;
}

.tab-panel{
  display:none;
  grid-template-columns:1.3fr 1fr;
  gap:40px;
  background:#fff;
  border:1px solid var(--paper-200);
  border-radius:6px;
  padding:36px;
}
.tab-panel.is-active{display:grid;}
@media (max-width:700px){
  .tab-panel{grid-template-columns:1fr;padding:26px;}
}
.panel-text h3{font-size:22px;margin-bottom:12px;}
.panel-text p{color:var(--ink-700);}

.panel-list{display:flex;flex-direction:column;gap:12px;}
.panel-list li{
  font-family:var(--font-mono);
  font-size:14px;
  padding:10px 14px;
  background:var(--paper-100);
  border-left:2px solid var(--copper-500);
  border-radius:2px;
}

/* ---------------------------------------------
   About
--------------------------------------------- */
.about{background:#fff;padding:88px 0;}
.about-inner{
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:56px;
}
@media (max-width:860px){
  .about-inner{grid-template-columns:1fr;}
}
.about-copy p{color:var(--ink-700);}

.how-it-works{display:flex;flex-direction:column;gap:28px;}
.how-it-works li{
  padding-left:52px;
  position:relative;
}
.step-index{
  position:absolute;left:0;top:-2px;
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--copper-500);
  border:1px solid var(--paper-200);
  border-radius:50%;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
}
.how-it-works h3{font-size:17px;margin-bottom:4px;}
.how-it-works p{color:var(--ink-700);font-size:14.5px;margin:0;}

/* ---------------------------------------------
   Contact
--------------------------------------------- */
.contact{background:var(--navy-950);color:var(--paper-100);padding:88px 0 120px;}
.contact .section-eyebrow{color:var(--cyan-400);}
.contact-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
@media (max-width:860px){
  .contact-inner{grid-template-columns:1fr;}
}
.contact-lead{color:var(--text-light);}

.contact-list{margin:28px 0;}
.contact-row{
  display:flex;gap:16px;
  padding:14px 0;
  border-bottom:1px solid var(--line-800);
}
.contact-row dt{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-muted);
  text-transform:uppercase;
  width:90px;
  flex-shrink:0;
  padding-top:2px;
}
.contact-row dd{margin:0;font-size:16px;}
.contact-row a:hover{color:var(--copper-400);}

.contact-map{
  border-radius:6px;
  overflow:hidden;
  border:1px solid var(--line-800);
  min-height:320px;
}
.contact-map iframe{width:100%;height:100%;min-height:320px;border:0;display:block;}

/* ---------------------------------------------
   Footer
--------------------------------------------- */
.site-footer{
  background:var(--navy-900);
  color:var(--text-muted);
  padding:24px 0 90px;
}
.footer-inner{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-family:var(--font-mono);
  font-size:12.5px;
}

/* ---------------------------------------------
   Mobile sticky call bar
--------------------------------------------- */
.mobile-call-bar{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:150;
  background:var(--copper-500);
  color:var(--navy-950);
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:600;
  align-items:center;justify-content:center;gap:10px;
  padding:14px 0;
  border-top:1px solid rgba(0,0,0,.1);
}
.mobile-call-bar svg{width:16px;height:16px;}
@media (max-width:640px){
  .mobile-call-bar{display:flex;}
  .site-footer{padding-bottom:90px;}
}