/* ============================================================
   STONESTEEL CONTRACTORS — Industrial / Editorial design system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Hanken+Grotesk:ital,wght@0,300..800;1,400..600&family=Space+Mono:wght@400;700&display=swap');

:root {
  --ink:       #14110f;   /* near-black, warm */
  --steel:     #1c1a17;   /* dark sections */
  --steel-2:   #26231f;
  --concrete:  #ffffff;   /* page bg (white) */
  --concrete-2:#f4f4f5;   /* subtle light-gray section bg */
  --paper:     #ffffff;   /* cards / fields */
  --signal:    #2563eb;   /* cobalt blue (primary accent) */
  --signal-d:  #1d4ed8;   /* darker hover */
  --amber:     #60a5fa;   /* light blue accent (eyebrow labels on dark bg) */
  --line:      rgba(20,17,15,.14);
  --line-soft: rgba(20,17,15,.08);
  --line-lite: rgba(236,231,223,.14);
  --muted:     #6b6457;
  --muted-lite:#a7a093;
}

* { box-sizing: border-box; }

/* ensure [hidden] wins over Tailwind display utilities (e.g. .flex) */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Hanken Grotesk', system-ui, sans-serif;
  background: var(--concrete);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- Typography helpers ---- */
.font-display { font-family: 'Anton', sans-serif; font-weight: 400; letter-spacing: .01em; }
.font-mono    { font-family: 'Space Mono', monospace; }

.display-xl {
  font-family: 'Anton', sans-serif;
  font-size: clamp(3rem, 11vw, 9.5rem);
  line-height: .9;
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.display-lg {
  font-family: 'Anton', sans-serif;
  font-size: clamp(2.4rem, 6.5vw, 5rem);
  line-height: .94;
  text-transform: uppercase;
}
.display-md {
  font-family: 'Anton', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
  text-transform: uppercase;
}

/* small monospace eyebrow / section label */
.eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  gap: .7rem;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--signal);
  display: inline-block;
}

/* ---- Atmospheric backgrounds (grids removed) ---- */
.blueprint,
.blueprint-light {
  background-image: none;
}

/* grain / noise overlay */
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Links / buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-family: 'Space Mono', monospace;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: .95rem 1.8rem;
  border: 1.5px solid transparent;
  border-radius: 999px;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), background .25s, color .25s, border-color .25s;
  cursor: pointer;
}
.btn svg { transition: transform .25s ease; }
.btn:hover svg { transform: translateX(5px); }

.btn-signal { background: var(--signal); color: #fff; }
.btn-signal:hover { background: var(--signal-d); transform: translateY(-2px); }

.btn-ink { background: var(--ink); color: var(--concrete); }
.btn-ink:hover { transform: translateY(-2px); background: #000; }

.btn-ghost { border-color: currentColor; color: inherit; background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--concrete); border-color: var(--ink); transform: translateY(-2px); }

.btn-ghost-lite { border-color: var(--line-lite); color: var(--concrete); }
.btn-ghost-lite:hover { background: var(--concrete); color: var(--ink); transform: translateY(-2px); }

/* underline link */
.link-arrow {
  font-family: 'Space Mono', monospace;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  border-bottom: 1.5px solid transparent;
  padding-bottom: 3px;
  transition: border-color .25s, gap .25s;
}
.link-arrow:hover { border-color: var(--signal); gap: .85rem; }

/* ---- Nav ---- */
.nav-link {
  position: relative;
  font-family: 'Space Mono', monospace;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  padding: .4rem 0;
  transition: color .2s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  height: 2px; width: 0;
  background: var(--signal);
  transition: width .28s cubic-bezier(.2,.8,.2,1);
}
.nav-link:hover { color: var(--signal); }
.nav-link:hover::after,
.nav-link.is-active::after { width: 100%; }
.nav-link.is-active { color: var(--signal); }

header.scrolled {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

/* ---- Service / generic cards ---- */
.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 2.2rem 2rem;
  transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s, background .3s, border-color .3s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--signal);
  box-shadow: 0 24px 50px -28px rgba(20,17,15,.5);
}

.card-num {
  font-family: 'Space Mono', monospace;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--signal);
}

/* code chip for activity listings */
.code-chip {
  font-family: 'Space Mono', monospace;
  font-size: .7rem;
  letter-spacing: .04em;
  background: var(--concrete-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  padding: .2rem .7rem;
  white-space: nowrap;
}

/* activity row */
.act-row {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.act-row:last-child { border-bottom: 0; }

/* ---- Marquee strip ---- */
.marquee { overflow: hidden; white-space: nowrap; }
.marquee-track {
  display: inline-flex;
  gap: 3rem;
  padding-right: 3rem;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }
.reveal[data-delay="6"] { transition-delay: .48s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---- Hero load-in stagger ---- */
.hero-line { overflow: hidden; }
.hero-line > span {
  display: block;
  transform: translateY(110%);
  animation: rise .9s cubic-bezier(.16,1,.3,1) forwards;
}
.hero-line:nth-child(1) > span { animation-delay: .15s; }
.hero-line:nth-child(2) > span { animation-delay: .28s; }
.hero-line:nth-child(3) > span { animation-delay: .41s; }
@keyframes rise { to { transform: translateY(0); } }

.fade-up { opacity: 0; animation: fadeUp .9s ease forwards; }
.fade-up.d1 { animation-delay: .6s; }
.fade-up.d2 { animation-delay: .78s; }
.fade-up.d3 { animation-delay: .95s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* counter stat */
.stat-num {
  font-family: 'Anton', sans-serif;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1;
  color: var(--signal);
}

/* accent rule (replaces square ticks) */
.tick-row { width: 52px; height: 3px; border-radius: 999px; background: var(--signal); }
.tick-row i { display: none; }

/* form fields */
.field {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: .95rem 1.05rem;
  font-family: 'Hanken Grotesk', sans-serif;
  font-size: 1rem;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field::placeholder { color: var(--muted-lite); }
.field:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px rgba(37,99,235,.16);
  background: #fff;
}
.field-label {
  font-family: 'Space Mono', monospace;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: .5rem;
}

::selection { background: var(--signal); color: #fff; }

/* thin scrollbar accent */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--concrete-2); }
::-webkit-scrollbar-thumb { background: var(--ink); border: 3px solid var(--concrete-2); }