/* ============================================================
   ARROWLAKES: "Machined Precision"
   Industrial-utilitarian, graphite + molten amber
   ============================================================ */

:root{
  --graphite-900:#0E1116;
  --graphite-850:#11151B;
  --graphite-800:#161B22;
  --graphite-700:#1D242E;
  --steel-600:#2A3340;
  --steel-500:#3A4452;
  --steel-300:#7B8694;
  --paper:#F4F1EA;
  --paper-200:#E8E3D8;
  --paper-300:#DAD4C6;
  --ink:#13171D;
  --ink-soft:#454d57;
  --amber:#FF6A1A;
  --amber-soft:#FF8A47;
  --amber-glow:rgba(255,106,26,.16);
  --line-dark:rgba(255,255,255,.09);
  --line-light:rgba(19,23,29,.12);

  --font-display:'Archivo',sans-serif;
  --font-body:'IBM Plex Sans',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;

  --wrap:1200px;
  --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:var(--font-body);
  background:var(--graphite-900);
  color:#D7DBE0;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.mono{font-family:var(--font-mono);letter-spacing:.04em}
.accent{color:var(--amber)}
.amber-text{color:var(--amber)}

h1,h2,h3,h4{font-family:var(--font-display);color:#fff;line-height:1.04;letter-spacing:-.02em}
h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:800}
h2{font-size:clamp(2rem,4.2vw,3.2rem);font-weight:800}
h3{font-size:1.3rem;font-weight:700;letter-spacing:-.01em}

.kicker{
  font-family:var(--font-mono);
  font-size:.78rem;letter-spacing:.22em;
  color:var(--amber);text-transform:uppercase;margin-bottom:18px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-mono);font-weight:600;font-size:.82rem;
  letter-spacing:.08em;text-transform:uppercase;
  padding:14px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:#120a04;border-color:var(--amber)}
.btn-amber:hover{background:var(--amber-soft);border-color:var(--amber-soft)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:#fff;color:var(--graphite-900)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:var(--amber);color:#120a04;border-color:var(--amber)}
.btn-lg{padding:18px 34px;font-size:.9rem}
.btn-block{width:100%;justify-content:center;margin-top:6px}

/* ---------- corner brackets ---------- */
.bracket{position:absolute;width:14px;height:14px;border:2px solid var(--amber);opacity:.55;transition:opacity .3s,width .3s,height .3s}
.bracket.tl{top:10px;left:10px;border-right:0;border-bottom:0}
.bracket.tr{top:10px;right:10px;border-left:0;border-bottom:0}
.bracket.bl{bottom:10px;left:10px;border-right:0;border-top:0}
.bracket.br{bottom:10px;right:10px;border-left:0;border-top:0}

/* ---------- USA seal ---------- */
.seal{width:120px;height:120px;display:block}
.seal .seal-arc{font-family:var(--font-mono);font-weight:600;letter-spacing:.12em;fill:currentColor}
.seal .seal-word{font-family:var(--font-display);font-weight:900;fill:currentColor;letter-spacing:.02em}

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar{background:var(--graphite-850);border-bottom:1px solid var(--line-dark);font-size:.72rem}
.topbar-inner{display:flex;justify-content:flex-end;align-items:center;height:36px;color:var(--steel-300)}
.topbar a:hover{color:var(--amber)}
.topbar .dot{margin:0 10px;color:var(--steel-600)}
.topbar-spread{display:flex;align-items:center}
@media(max-width:760px){
  .topbar{font-size:.66rem}
  .topbar-inner{justify-content:center}
  .topbar-spread .dot:last-of-type,.topbar-spread .accent{display:none}
  .topbar .dot{margin:0 7px}
}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:sticky;top:0;z-index:60;background:rgba(14,17,22,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-dark);transition:background .3s}
.nav.scrolled{background:rgba(14,17,22,.97)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px}
.brand-logo{height:52px;width:auto;display:block}
.footer-logo{height:56px}
@media(max-width:600px){.brand-logo{height:44px}}
.brand-mark{width:30px;height:30px}
.brand-word{font-family:var(--font-display);font-weight:900;font-size:1.32rem;color:#fff;letter-spacing:.01em}
.brand-thin{font-weight:500;color:var(--steel-300)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links>a:not(.btn){font-family:var(--font-mono);font-size:.82rem;letter-spacing:.06em;color:#C2C8D0;text-transform:uppercase;position:relative;padding:4px 0}
.nav-links>a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--amber);transition:width .3s var(--ease)}
.nav-links>a:not(.btn):hover{color:#fff}
.nav-links>a:not(.btn):hover::after{width:100%}
.nav-cta{padding:11px 20px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:#fff;transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{position:fixed;inset:104px 0 auto 0;flex-direction:column;gap:0;background:var(--graphite-850);border-bottom:1px solid var(--line-dark);padding:8px 0;clip-path:inset(0 0 100% 0);transition:clip-path .4s var(--ease)}
  .nav-links.open{clip-path:inset(0 0 0 0)}
  .nav-links>a{width:100%;padding:16px 28px;border-bottom:1px solid var(--line-dark)}
  .nav-cta{margin:14px 28px;width:calc(100% - 56px);justify-content:center}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;overflow:hidden;background:var(--graphite-900);padding:clamp(60px,9vw,110px) 0 clamp(70px,9vw,120px)}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse 80% 70% at 30% 20%,#000 40%,transparent 100%);opacity:.7}
.hero-glow{position:absolute;top:-15%;right:-5%;width:60%;height:80%;background:radial-gradient(circle,var(--amber-glow),transparent 65%);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero-copy h1{margin-bottom:24px}
.hero-sub{font-size:1.13rem;color:#AEB6BF;max-width:540px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:46px}
.hero-specs{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--line-dark);padding-top:26px}
.spec{display:flex;flex-direction:column;gap:4px}
.spec-num{font-family:var(--font-display);font-weight:800;font-size:1.7rem;color:#fff}
.spec-label{font-size:.66rem;letter-spacing:.14em;color:var(--steel-300)}

.hero-visual{position:relative;justify-self:center}
.hero-card{position:relative;background:var(--graphite-800);border:1px solid var(--line-dark);padding:12px;box-shadow:0 40px 80px -30px rgba(0,0,0,.8)}
.hero-photo{width:100%;max-width:400px;height:auto;display:block}
.hero-seal{position:absolute;bottom:-30px;left:-30px;width:118px;height:118px;transform:rotate(-8deg);filter:drop-shadow(0 14px 22px rgba(0,0,0,.55))}
.hero-seal .seal-star path{fill:var(--graphite-900)}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:60px}
  .hero-visual{max-width:420px;width:100%}
  .hero-seal{bottom:-34px;left:auto;right:-18px}
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker{background:var(--amber);color:#120a04;overflow:hidden;border-top:1px solid #00000022;border-bottom:1px solid #00000022;padding:13px 0}
.ticker-track{display:flex;align-items:center;gap:30px;width:max-content;animation:scroll 32s linear infinite;font-family:var(--font-display);font-weight:800;text-transform:uppercase;font-size:1.05rem;letter-spacing:.02em}
.ticker-track span{white-space:nowrap}
.tk-dot{font-size:.7rem;opacity:.6}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============================================================
   STATS
   ============================================================ */
.stats{background:var(--graphite-850);border-bottom:1px solid var(--line-dark)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark)}
.stat{background:var(--graphite-850);padding:42px 26px;text-align:center;display:flex;flex-direction:column;gap:8px}
.stat-num{font-family:var(--font-display);font-weight:900;font-size:clamp(2.2rem,4vw,3rem);color:#fff;line-height:1}
.stat-label{font-size:.68rem;letter-spacing:.16em;color:var(--steel-300)}
@media(max-width:680px){.stats-inner{grid-template-columns:1fr 1fr}}

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
.section{padding:clamp(70px,9vw,120px) 0}
.sec-head{max-width:680px;margin-bottom:60px}
.sec-head h2{margin-bottom:22px}
.sec-lead{color:#A6AEB8;font-size:1.08rem}

/* light theme sections */
.capabilities,.about,.contact{background:var(--paper);color:var(--ink-soft)}
.capabilities h2,.about h2,.contact h2,.capabilities h3,.about h3,.contact h3,.contact h4{color:var(--ink)}
.capabilities .sec-lead,.about p,.contact .contact-lead{color:#5a626c}

/* ============================================================
   CAPABILITIES GRID
   ============================================================ */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.cap-card{position:relative;background:var(--paper);padding:38px 32px 34px;transition:background .3s var(--ease),transform .3s var(--ease)}
.cap-card .bracket{opacity:0}
.cap-card:hover{background:#fff;transform:translateY(-4px);z-index:2;box-shadow:0 30px 60px -30px rgba(19,23,29,.35)}
.cap-card:hover .bracket{opacity:.6}
.cap-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}
.cap-idx{font-size:.95rem;color:var(--amber);font-weight:600}
.cap-icon{width:46px;height:46px}
.cap-card h3{margin-bottom:12px}
.cap-card p{font-size:.96rem;color:#5a626c;margin-bottom:16px}
.cap-spec{font-size:.7rem;letter-spacing:.12em;color:var(--amber);padding-top:14px;border-top:1px dashed var(--line-light)}
.cap-more{margin-top:34px;font-size:.82rem;letter-spacing:.1em;color:var(--ink-soft);text-align:center}
.cap-more a{color:var(--amber);font-weight:600}
.cap-more a:hover{text-decoration:underline}
@media(max-width:880px){.cap-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cap-grid{grid-template-columns:1fr}}

/* ============================================================
   PROCESS
   ============================================================ */
.process{background:var(--graphite-900)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative}
.steps::before{content:"";position:absolute;top:24px;left:6%;right:6%;height:1px;background:repeating-linear-gradient(90deg,var(--steel-600) 0 8px,transparent 8px 16px)}
.step{position:relative;padding-top:0}
.step-no{display:flex;align-items:center;justify-content:center;width:50px;height:50px;border:1px solid var(--amber);color:var(--amber);font-size:1rem;font-weight:600;background:var(--graphite-900);margin-bottom:22px;position:relative;z-index:1}
.step h3{margin-bottom:10px;font-size:1.15rem}
.step p{font-size:.94rem;color:#9aa3ad}
@media(max-width:760px){.steps{grid-template-columns:1fr 1fr;gap:38px}.steps::before{display:none}}
@media(max-width:440px){.steps{grid-template-columns:1fr}}

/* ============================================================
   ABOUT
   ============================================================ */
.about-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.about-photo{position:relative;aspect-ratio:4/5;background-color:var(--graphite-800);background-size:cover;background-position:center;background-repeat:no-repeat;border:1px solid var(--line-light);overflow:hidden}
.about-photo::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,17,22,.12),rgba(14,17,22,.5));pointer-events:none}
.ph-label{position:absolute;bottom:18px;left:18px;font-size:.64rem;letter-spacing:.14em;color:rgba(255,255,255,.5)}
.about-seal{position:absolute;width:126px;height:126px;top:-26px;right:-26px;transform:rotate(7deg);filter:drop-shadow(0 14px 22px rgba(0,0,0,.4))}
.about-seal .seal-star path{fill:var(--graphite-900)}
.about-copy h2{margin-bottom:24px}
.about-copy>p{font-size:1.06rem;margin-bottom:26px}
.about-list{list-style:none;margin-bottom:32px;display:flex;flex-direction:column;gap:14px}
.about-list li{display:flex;gap:12px;align-items:flex-start;color:#3f4751;font-size:1rem}
.about-list em{font-style:italic;color:var(--ink)}
.chk{color:var(--amber);font-weight:700;flex-shrink:0}
@media(max-width:860px){.about-inner{grid-template-columns:1fr;gap:70px}.about-visual{max-width:380px}.about-seal{right:-14px}}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{background:var(--graphite-850);text-align:center;position:relative}
.cta-inner{padding:clamp(56px,8vw,90px) 0}
.cta-band h2{margin-bottom:32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hazard{height:16px;background:repeating-linear-gradient(45deg,var(--amber) 0 20px,var(--graphite-900) 20px 40px);opacity:.92}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-info h2{margin-bottom:20px}
.contact-lead{font-size:1.05rem;margin-bottom:34px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:22px;margin-bottom:34px}
.contact-list li{display:flex;gap:16px;align-items:flex-start;font-size:.98rem;color:#3f4751}
.contact-list strong{color:var(--ink);font-family:var(--font-display);font-weight:700;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.contact-list a:hover{color:var(--amber)}
.ci-icon{width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--ink);color:var(--amber);font-size:1.15rem}
.map-card{position:relative;height:170px;background:var(--graphite-800);border:1px solid var(--line-light);overflow:hidden;display:flex;align-items:center;justify-content:center}
.map-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:24px 24px}
.map-pin{position:relative;color:var(--amber);font-size:2rem;filter:drop-shadow(0 0 12px var(--amber))}
.map-tag{position:absolute;bottom:12px;left:12px;font-size:.62rem;letter-spacing:.1em;color:rgba(255,255,255,.6)}

.contact-form{position:relative;background:#fff;border:1px solid var(--line-light);padding:40px 36px;box-shadow:0 30px 70px -40px rgba(19,23,29,.4)}
.contact-form .bracket{opacity:.4}
.contact-form h3{margin-bottom:26px;font-size:1.5rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field span{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  font-family:var(--font-body);font-size:.95rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--line-light);padding:12px 14px;
  transition:border-color .2s,box-shadow .2s;width:100%;resize:vertical;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--amber);box-shadow:0 0 0 3px var(--amber-glow);background:#fff}
.form-note{font-size:.7rem;color:var(--ink-soft);margin-top:14px;letter-spacing:.04em}
.form-note.ok{color:#1a7d3c}
@media(max-width:860px){.contact-inner{grid-template-columns:1fr;gap:44px}}
@media(max-width:440px){.field-row{grid-template-columns:1fr}}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--graphite-900);border-top:1px solid var(--line-dark);padding-top:70px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{position:relative}
.footer-tag{color:#8b939d;font-size:.92rem;margin:18px 0 24px;max-width:340px}
.footer-seal{width:92px;height:92px}
.footer-seal .seal-star path{fill:var(--amber)}
.footer-col h4{font-size:.72rem;letter-spacing:.16em;color:var(--steel-300);margin-bottom:18px;font-weight:600}
.footer-col a,.footer-col p{display:block;color:#aab2bc;font-size:.92rem;margin-bottom:11px}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line-dark);padding-top:22px;padding-bottom:28px;font-size:.72rem;color:var(--steel-300)}
@media(max-width:860px){.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:560px){.footer-inner{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:10px;text-align:center}}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}
.reveal.d2{transition-delay:.2s}
.reveal.d3{transition-delay:.3s}
.reveal.d4{transition-delay:.4s}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .ticker-track{animation:none}
  html{scroll-behavior:auto}
}