/* ============================================================
   TOOLSMITH — "The Digital Forge"
   Industrial / engineering aesthetic: steel + molten ember.
   ============================================================ */

:root {
  --bg:        #0c0d10;
  --bg-panel:  #131519;
  --bg-elev:   #181b21;
  --steel:     #262b34;
  --steel-2:   #343a45;
  --ink:       #f4f0e7;   /* warm off-white */
  --muted:     #8a909c;   /* steel grey */
  --muted-2:   #5f6571;
  --ember:     #ff6a1a;   /* molten orange */
  --ember-2:   #ffab3d;   /* amber */
  --ember-deep:#c8410c;
  --ember-glow: rgba(255,106,26,.45);

  --display: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --body:    'Hanken Grotesk', system-ui, sans-serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;

  --maxw: 1180px;
  --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(--body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* --- Atmosphere: blueprint grid + ember glow + grain --- */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--steel) 1px, transparent 1px),
    linear-gradient(90deg, var(--steel) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
  opacity: .35;
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60% 50% at 50% -10%, var(--ember-glow), transparent 60%),
    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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: .9;
}

.wrap { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* --- Mono labels (engineering tags) --- */
.tag {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ember);
  display: inline-flex; align-items: center; gap: .55em;
}
.tag::before { content: ""; width: 26px; height: 1px; background: var(--ember); display: inline-block; }

/* ============================================================ NAV */
header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(12,13,16,.72);
  border-bottom: 1px solid var(--steel);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand {
  font-family: var(--display); font-weight: 800; font-size: 1.45rem;
  letter-spacing: .04em; text-transform: uppercase; color: var(--ink);
  text-decoration: none; display: inline-flex; align-items: center; gap: .5ch;
}
.brand .spark { color: var(--ember); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); text-decoration: none;
  transition: color .25s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.btn {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--bg); background: var(--ember);
  padding: 11px 20px; border: none; border-radius: 2px;
  text-decoration: none; font-weight: 600; display: inline-block;
  box-shadow: 0 0 0 0 var(--ember-glow);
  transition: box-shadow .3s var(--ease), transform .2s var(--ease), background .25s;
}
.btn:hover { background: var(--ember-2); box-shadow: 0 0 28px 0 var(--ember-glow); transform: translateY(-1px); }
.btn-ghost {
  color: var(--ink); background: transparent; border: 1px solid var(--steel-2);
}
.btn-ghost:hover { border-color: var(--ember); color: var(--ember); background: transparent; box-shadow: none; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); font-size: 1.5rem; cursor: pointer; }

/* ============================================================ HERO */
.hero { padding: 120px 0 96px; position: relative; }
.hero .tag { margin-bottom: 30px; }
.hero h1 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(3.2rem, 9vw, 7.5rem); line-height: .92;
  letter-spacing: .005em; text-transform: uppercase;
  max-width: 16ch;
}
.hero h1 .molten {
  background: linear-gradient(100deg, var(--ember-2), var(--ember) 45%, var(--ember-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative;
}
.hero p.lead {
  margin-top: 28px; max-width: 56ch; font-size: clamp(1.05rem, 1.6vw, 1.32rem);
  color: var(--ink); opacity: .85;
}
.hero .actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero .ribbon {
  margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--steel);
  font-family: var(--mono); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); display: flex; flex-wrap: wrap; gap: 14px 26px;
}
.hero .ribbon span { display: inline-flex; align-items: center; gap: .6em; }
.hero .ribbon span::before { content: "◆"; color: var(--ember); font-size: .6em; }

/* ============================================================ SECTION SHELL */
section { padding: 92px 0; position: relative; }
.sec-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 52px; flex-wrap: wrap; }
.sec-head .no { font-family: var(--mono); color: var(--ember); font-size: .85rem; letter-spacing: .12em; }
.sec-head h2 {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1; letter-spacing: .01em;
}
.sec-head p { color: var(--muted); margin-left: auto; max-width: 38ch; font-size: .98rem; }

/* ============================================================ SERVICES */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--steel); border: 1px solid var(--steel); }
.svc {
  background: var(--bg-panel); padding: 38px 34px 42px; position: relative;
  transition: background .3s var(--ease);
}
.svc:hover { background: var(--bg-elev); }
.svc .no { font-family: var(--mono); color: var(--muted-2); font-size: .8rem; letter-spacing: .15em; }
.svc h3 {
  font-family: var(--display); font-weight: 600; text-transform: uppercase;
  font-size: 1.7rem; margin: 14px 0 12px; letter-spacing: .01em; line-height: 1.05;
}
.svc p { color: var(--muted); font-size: .98rem; }
.svc .lead-badge {
  position: absolute; top: 34px; right: 34px; font-family: var(--mono);
  font-size: .62rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ember); border: 1px solid var(--ember-deep); padding: 3px 8px; border-radius: 2px;
}
.svc::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--ember), var(--ember-2));
  transition: width .4s var(--ease);
}
.svc:hover::after { width: 100%; }

/* ============================================================ WORK */
.work-list { border-top: 1px solid var(--steel); }
.work {
  display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center;
  padding: 34px 8px; border-bottom: 1px solid var(--steel);
  text-decoration: none; color: inherit; position: relative;
  transition: padding-left .35s var(--ease);
}
.work:hover { padding-left: 22px; }
.work::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--ember); transform: scaleY(0); transform-origin: top;
  transition: transform .35s var(--ease);
}
.work:hover::before { transform: scaleY(1); }
.work .wno { font-family: var(--mono); color: var(--muted-2); font-size: .85rem; }
.work .wbody h3 {
  font-family: var(--display); font-weight: 600; font-size: 1.85rem; text-transform: uppercase;
  letter-spacing: .01em; line-height: 1; transition: color .25s var(--ease);
}
.work:hover .wbody h3 { color: var(--ember); }
.work .wbody p { color: var(--muted); font-size: .96rem; margin-top: 8px; max-width: 64ch; }
.work .wbody .chips { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.work .chip {
  font-family: var(--mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--steel-2); padding: 3px 9px; border-radius: 2px;
}
.work .warrow { font-family: var(--mono); color: var(--muted-2); font-size: 1.4rem; transition: transform .3s var(--ease), color .25s; }
.work:hover .warrow { color: var(--ember); transform: translate(4px,-4px); }
.work .flagship {
  display:inline-block; font-family: var(--mono); font-size:.6rem; letter-spacing:.14em;
  text-transform:uppercase; color: var(--bg); background: var(--ember); padding:2px 7px;
  border-radius:2px; margin-left:10px; vertical-align: middle;
}

/* ============================================================ ABOUT / STATS */
.about { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: start; }
.about .lead-txt { font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.5; }
.about .lead-txt b { color: var(--ember-2); font-weight: 600; }
.stats { display: grid; gap: 1px; background: var(--steel); border: 1px solid var(--steel); }
.stat { background: var(--bg-panel); padding: 24px 26px; }
.stat .n { font-family: var(--display); font-weight: 800; font-size: 2.6rem; color: var(--ink); line-height: 1; }
.stat .n em { color: var(--ember); font-style: normal; }
.stat .l { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 8px; }

/* ============================================================ CONTACT */
.contact { text-align: center; padding: 120px 0; }
.contact h2 {
  font-family: var(--display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(2.6rem, 7vw, 6rem); line-height: .95; letter-spacing: .01em;
}
.contact h2 .molten {
  background: linear-gradient(100deg, var(--ember-2), var(--ember) 50%, var(--ember-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.contact p { color: var(--muted); max-width: 48ch; margin: 22px auto 38px; font-size: 1.08rem; }

/* ============================================================ FOOTER */
footer { border-top: 1px solid var(--steel); padding: 44px 0; }
.foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.foot .brand { font-size: 1.1rem; }
.foot .meta { font-family: var(--mono); font-size: .76rem; letter-spacing: .08em; color: var(--muted-2); text-transform: uppercase; }

/* ============================================================ REVEAL ANIM */
.reveal { transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal { opacity: 0; transform: translateY(26px); }
.js .reveal.in { opacity: 1; transform: none; }
.hero .stagger { opacity: 0; transform: translateY(20px); animation: rise .8s var(--ease) forwards; }
.hero .stagger:nth-child(1){animation-delay:.05s} .hero .stagger:nth-child(2){animation-delay:.18s}
.hero .stagger:nth-child(3){animation-delay:.31s} .hero .stagger:nth-child(4){animation-delay:.44s}
.hero .stagger:nth-child(5){animation-delay:.57s}
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================ RESPONSIVE */
@media (max-width: 860px) {
  .nav-links { position: fixed; inset: 68px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg-panel); border-bottom: 1px solid var(--steel);
    max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
  .nav-links.open { max-height: 360px; }
  .nav-links a { padding: 18px 28px; width: 100%; border-bottom: 1px solid var(--steel); }
  .nav-links .btn { margin: 16px 28px; text-align: center; }
  .nav-toggle { display: block; }
  .svc-grid { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: 36px; }
  .sec-head p { margin-left: 0; }
  .work { grid-template-columns: auto 1fr; }
  .work .warrow { display: none; }
}