/* ============================================================
   TORQUIDE — Industrial Automation Consulting
   Design tokens
   ============================================================ */

:root{
  --charcoal:      #1c1c1e;
  --charcoal-deep: #131315;
  --charcoal-lift: #232326;
  --copper:        #c97b3d;
  --copper-bright: #e2954f;
  --paper:         #ede8e2;
  --steel:         #8b8b90;
  --hairline:      rgba(237,232,226,0.10);
  --hairline-lit:  rgba(201,123,61,0.35);

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

  --container: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--charcoal);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  text-transform:uppercase;
  font-weight:600;
  letter-spacing:0.01em;
  margin:0 0 0.5em;
  color:var(--paper);
}
h1{ font-size:clamp(2.6rem, 6vw, 5rem); line-height:1.02; letter-spacing:0.005em; }
h2{ font-size:clamp(1.9rem, 4vw, 3rem); line-height:1.08; }
h3{ font-size:1.35rem; line-height:1.2; }

p{ margin:0 0 1em; color:var(--steel); max-width:60ch; }
p.lede{ color:var(--paper); font-size:1.15rem; }

.eyebrow{
  display:inline-flex; align-items:center; gap:0.6em;
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--copper);
  margin-bottom:1.1em;
}
.eyebrow::before{
  content:''; width:22px; height:1px; background:var(--copper);
  display:inline-block;
}

.container{ max-width:var(--container); margin:0 auto; padding:0 32px; }
section{ position:relative; padding:min(11vw,120px) 0; }
.section-tight{ padding: min(6vw,64px) 0; }
.divider{ border:none; border-top:1px solid var(--hairline); margin:0; }

::selection{ background:var(--copper); color:var(--charcoal-deep); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--copper-bright);
  outline-offset:3px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px;
  background:rgba(28,28,30,0.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--hairline);
  transition:padding 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.is-scrolled{ padding:12px 32px; background:rgba(19,19,21,0.88); }

.nav__brand{ display:flex; align-items:center; gap:10px; }
.nav__brand img{ height:30px; width:auto; }
.nav__brand-word{
  font-family:var(--font-display); font-size:1.05rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--paper);
}

.nav__links{ display:flex; align-items:center; gap:36px; }
.nav__links a{
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--steel);
  position:relative; padding-bottom:4px;
  transition:color 0.2s;
}
.nav__links a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--copper); transition:width 0.25s var(--ease);
}
.nav__links a:hover, .nav__links a[aria-current="page"]{ color:var(--paper); }
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after{ width:100%; }

.nav__cta{
  font-family:var(--font-mono); font-size:0.75rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--charcoal-deep) !important;
  background:var(--copper); padding:10px 20px; border-radius:2px;
  transition:background 0.2s, transform 0.2s;
}
.nav__cta:hover{ background:var(--copper-bright); transform:translateY(-1px); }

.nav__toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none;
  cursor:pointer; padding:8px;
}
.nav__toggle span{ width:22px; height:2px; background:var(--paper); display:block; transition:transform 0.25s, opacity 0.25s; }

.nav__mobile{
  display:none; position:fixed; inset:0; z-index:99;
  background:var(--charcoal-deep);
  flex-direction:column; align-items:flex-start; justify-content:center;
  gap:28px; padding:32px 40px;
  transform:translateY(-8px); opacity:0; pointer-events:none;
  transition:opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.nav__mobile.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
.nav__mobile a{ font-family:var(--font-display); font-size:2rem; text-transform:uppercase; color:var(--paper); }
.nav__mobile a:hover{ color:var(--copper); }

@media (max-width:860px){
  .nav__links{ display:none; }
  .nav__toggle{ display:flex; }
  .nav__mobile{ display:flex; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:0.8rem; letter-spacing:0.08em;
  text-transform:uppercase; padding:15px 28px; border-radius:2px;
  border:1px solid transparent; cursor:pointer;
  transition:transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn-primary{ background:var(--copper); color:var(--charcoal-deep); }
.btn-primary:hover{ background:var(--copper-bright); transform:translateY(-2px); }
.btn-ghost{ border-color:var(--hairline-lit); color:var(--paper); }
.btn-ghost:hover{ border-color:var(--copper); color:var(--copper-bright); transform:translateY(-2px); }
.btn svg{ width:14px; height:14px; transition:transform 0.25s var(--ease); }
.btn:hover svg{ transform:translate(3px,-3px); }

/* ============================================================
   HERO + TORQUE LOOP SIGNATURE
   ============================================================ */
.hero{
  min-height:100svh; display:flex; align-items:center;
  padding-top:120px;
  background:
    radial-gradient(ellipse 60% 50% at 78% 32%, rgba(201,123,61,0.10), transparent 60%),
    var(--charcoal);
}
.hero__grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px; align-items:center; }
.hero__actions{ display:flex; gap:16px; margin-top:2.2em; flex-wrap:wrap; }

.hero__mark{ position:relative; display:flex; justify-content:center; align-items:center; }
.torque-loop{ width:min(420px,90%); height:auto; }
.torque-loop .arrow{
  transform-origin:center;
  animation:torque-spin 26s linear infinite;
}
.torque-loop .hex{
  transform-origin:center;
  animation:torque-pulse 4s ease-in-out infinite;
}
@keyframes torque-spin{ to{ transform:rotate(360deg); } }
@keyframes torque-pulse{ 0%,100%{ opacity:1; } 50%{ opacity:0.72; } }

.torque-loop.draw .arrow-path{
  stroke-dasharray:340; stroke-dashoffset:340;
  animation:draw-in 1.6s var(--ease) forwards;
}
@keyframes draw-in{ to{ stroke-dashoffset:0; } }

/* capability marquee */
.marquee{
  border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline);
  overflow:hidden; white-space:nowrap; padding:22px 0;
}
.marquee__track{ display:inline-flex; gap:48px; animation:marquee 32s linear infinite; }
.marquee__track span{
  font-family:var(--font-mono); font-size:0.82rem; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--steel);
}
.marquee__track span.dot{ color:var(--copper); }
@keyframes marquee{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

@media (max-width:900px){
  .hero__grid{ grid-template-columns:1fr; }
  .hero__mark{ order:-1; margin-bottom:8px; }
  .torque-loop{ width:220px; }
}

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.reveal-stagger > *{ transition-delay:calc(var(--i, 0) * 90ms); }

/* ============================================================
   PROCESS STEPS (ordered — real sequence)
   ============================================================ */
.process{ display:grid; gap:0; border-top:1px solid var(--hairline); }
.process__step{
  display:grid; grid-template-columns:110px 1fr; gap:32px;
  padding:38px 0; border-bottom:1px solid var(--hairline);
  align-items:start;
}
.process__num{ font-family:var(--font-mono); color:var(--copper); font-size:1rem; letter-spacing:0.05em; }
.process__step h3{ margin-bottom:0.4em; }
@media (max-width:640px){ .process__step{ grid-template-columns:60px 1fr; } }

/* ============================================================
   CARDS (services grid — not sequential)
   ============================================================ */
.card-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--hairline); border:1px solid var(--hairline); }
.card{
  background:var(--charcoal); padding:38px 32px; position:relative;
  transition:background 0.3s var(--ease);
}
.card:hover{ background:var(--charcoal-lift); }
.card::before{
  content:''; position:absolute; top:0; left:0; width:0; height:2px; background:var(--copper);
  transition:width 0.35s var(--ease);
}
.card:hover::before{ width:100%; }
.card__icon{ width:34px; height:34px; margin-bottom:22px; color:var(--copper); }
.card p{ font-size:0.95rem; }
@media (max-width:900px){ .card-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .card-grid{ grid-template-columns:1fr; } }

/* ============================================================
   SPLIT / TWO COL LAYOUTS
   ============================================================ */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; gap:36px; } }

.stat-row{ display:flex; gap:56px; flex-wrap:wrap; margin-top:2em; }
.stat-row .stat span{ display:block; }
.stat-row .stat .num{ font-family:var(--font-display); font-size:2.2rem; color:var(--copper); }
.stat-row .stat .label{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; color:var(--steel); text-transform:uppercase; }

/* ============================================================
   BAND / DARK SECTION
   ============================================================ */
.band{ background:var(--charcoal-deep); border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline); }

/* ============================================================
   CTA BLOCK
   ============================================================ */
.cta-block{ text-align:center; padding:min(10vw,100px) 0; }
.cta-block .container{ max-width:760px; }
.cta-block h2{ margin-bottom:0.3em; }
.cta-block .btn-row{ display:flex; gap:16px; justify-content:center; margin-top:1.8em; flex-wrap:wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ padding:64px 0 32px; border-top:1px solid var(--hairline); }
.footer__top{ display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; margin-bottom:56px; }
.footer__brand img{ height:26px; margin-bottom:16px; }
.footer h4{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.14em; color:var(--steel); margin-bottom:1.1em; text-transform:uppercase; font-weight:500; }
.footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; }
.footer a{ color:var(--paper); font-size:0.92rem; transition:color 0.2s; }
.footer a:hover{ color:var(--copper); }
.footer__bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; padding-top:28px; border-top:1px solid var(--hairline); }
.footer__bottom p{ margin:0; font-family:var(--font-mono); font-size:0.75rem; color:var(--steel); }
@media (max-width:760px){ .footer__top{ grid-template-columns:1fr; gap:32px; } }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }

.form-group{ margin-bottom:22px; }
.form-group label{ display:block; font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--steel); margin-bottom:10px; }
.form-group input, .form-group select, .form-group textarea{
  width:100%; background:var(--charcoal-lift); border:1px solid var(--hairline);
  color:var(--paper); font-family:var(--font-body); font-size:0.95rem;
  padding:14px 16px; border-radius:2px; transition:border-color 0.2s;
}
.form-group textarea{ resize:vertical; min-height:130px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{
  outline:none; border-color:var(--copper);
}
.form-note{ font-size:0.82rem; color:var(--steel); margin-top:18px; }
.form-status{ font-family:var(--font-mono); font-size:0.82rem; margin-top:16px; display:none; }
.form-status.is-success{ display:block; color:var(--copper-bright); }
.form-status.is-error{ display:block; color:#d9705a; }

.contact-card{ background:var(--charcoal-lift); border:1px solid var(--hairline); padding:36px; border-radius:2px; }
.contact-card + .contact-card{ margin-top:1px; }
.contact-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:18px; }
.contact-list li{ display:flex; align-items:center; gap:14px; }
.contact-list .ic{ width:20px; height:20px; color:var(--copper); flex-shrink:0; }
.contact-list a, .contact-list span{ font-size:0.95rem; }

.social-row{ display:flex; gap:14px; margin-top:24px; }
.social-row a{
  width:42px; height:42px; border:1px solid var(--hairline); border-radius:2px;
  display:flex; align-items:center; justify-content:center; color:var(--paper);
  transition:border-color 0.2s, color 0.2s, transform 0.2s;
}
.social-row a:hover{ border-color:var(--copper); color:var(--copper-bright); transform:translateY(-2px); }
.social-row svg{ width:18px; height:18px; }

/* ============================================================
   PAGE HEADER (interior pages)
   ============================================================ */
.page-header{ padding:170px 0 60px; }
.page-header p.lede{ max-width:56ch; }

/* scroll progress */
.scroll-progress{ position:fixed; top:0; left:0; height:2px; background:var(--copper); z-index:200; width:0%; }