/* ============================================================
   HADDAD CALIBER — public site
   Direction: cinematic industrial. Obsidian graphite, off-white,
   molten-alloy signal. Instrument-panel gravity, zero template.
   ============================================================ */

:root {
  /* ---- surface palette ---- */
  --bg-900: #05101a;
  --bg-800: #0a1826;
  --bg-700: #102534;
  --bg-600: #163042;
  --bg-550: #1d3b50;
  --bg-500: #26485f;

  --line: rgba(221, 227, 236, 0.08);
  --line-strong: rgba(221, 227, 236, 0.16);
  --line-amber: rgba(201, 160, 106, 0.40);

  /* ---- ink ---- */
  --ivory: #f4f1ea;
  --silver: #c2cdd8;
  --fog: #7f8fa0;
  --fog-dim: #55647a;

  /* ---- signal (brand gold) ---- */
  --amber: #c9a06a;
  --amber-bright: #e0bd86;
  --amber-deep: #ab8352;
  --amber-glow: rgba(201, 160, 106, 0.42);

  /* ---- type ---- */
  --font-display: "Archivo Expanded", "Archivo", system-ui, -apple-system, sans-serif;
  --font-sans: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --text-hero: clamp(2.4rem, 0.9rem + 7.6vw, 7.2rem);
  --text-h2: clamp(1.95rem, 1.1rem + 3vw, 3.5rem);
  --text-h3: 1.22rem;
  --text-body: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);

  /* ---- spacing ---- */
  --space-section: clamp(5rem, 3rem + 7vw, 10rem);
  --wrap: 1220px;

  /* ---- motion ---- */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.65, 0.05, 0.36, 1);
  --dur: 340ms;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-800);
  color: var(--ivory);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.02;
  margin: 0;
  letter-spacing: -0.02em;
}

/* fine grain, keeps the surface from looking flat + digital */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { width: min(100% - 2.6rem, var(--wrap)); margin-inline: auto; position: relative; z-index: 2; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--amber); color: var(--bg-900); padding: 0.6rem 1rem;
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.04em;
}
.skip-link:focus { left: 0.75rem; top: 0.75rem; }

/* ---------- shared bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 1.3rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--amber);
  opacity: 0.75;
}
.accent { color: var(--amber-bright); }

.mono-tag {
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--fog);
}

/* ---------- buttons (engineered, molten hover) ---------- */
.btn {
  --pad-x: 1.7rem;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem var(--pad-x);
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  overflow: hidden;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn > * { position: relative; z-index: 2; }
.btn-primary { background: var(--amber); color: var(--bg-900); font-weight: 600; }
.btn-primary::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: var(--amber-bright);
  transform: translateY(101%);
  transition: transform var(--dur) var(--ease);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -14px var(--amber-glow);
}
.btn-primary:hover::before { transform: translateY(0); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost { border-color: var(--line-strong); color: var(--ivory); }
.btn-ghost::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; z-index: 1;
  width: 100%; background: var(--bg-600);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber-bright); transform: translateY(-2px); }
.btn-ghost:hover::before { transform: scaleX(1); }
.btn-block { width: 100%; }
.btn .arrow { transition: transform var(--dur) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn:focus-visible,
a:focus-visible, input:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--amber-bright); outline-offset: 3px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(5, 16, 26, 0.74);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 0.8rem; }
.brand-mark { display: block; width: 38px; height: 38px; flex: none; }
.brand-name { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.06em; font-size: 1.02rem; }
.brand-name .thin { color: var(--fog); }
.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav a {
  position: relative;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em;
  color: var(--silver); transition: color var(--dur) var(--ease);
}
.main-nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px;
  background: var(--amber); transition: width var(--dur) var(--ease);
}
.main-nav a:not(.nav-cta):hover { color: var(--ivory); }
.main-nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  border: 1px solid var(--line-strong); border-radius: 2px;
  padding: 0.58rem 1.05rem; color: var(--ivory) !important; white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-cta:hover { border-color: var(--amber); color: var(--amber-bright) !important; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: min(94vh, 900px);
  display: flex; align-items: center;
  padding-block: clamp(4rem, 2rem + 8vw, 8rem);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}
.hero-canvas-wrap {
  position: absolute; inset: 0; z-index: 0;
  will-change: transform;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* atmosphere: vignette + directional glow over the canvas */
.hero-canvas-wrap::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(1200px 640px at 74% 8%, rgba(201, 160, 106, 0.13), transparent 62%),
    radial-gradient(120% 120% at 50% 0%, transparent 45%, var(--bg-800) 100%),
    linear-gradient(180deg, rgba(5,16,26,0.15), rgba(5,16,26,0.58));
}
/* faint engineered grid, parallaxes independently */
.hero-grid-lines {
  position: absolute; inset: -10%; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(circle at 70% 25%, #000 0%, transparent 72%);
  will-change: transform;
}

.hero-inner { position: relative; z-index: 3; width: 100%; }
.hero-copy { max-width: 34rem; }
.hero h1 {
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 1.6rem;
  text-wrap: balance;
}
.hero .lede {
  font-size: clamp(1.08rem, 1rem + 0.5vw, 1.32rem);
  color: var(--silver); max-width: 44ch; margin: 0 0 2.3rem; line-height: 1.55;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.6rem; }
.hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fog); margin: 0;
}
.hero-meta .dot { color: var(--amber); }

/* instrument HUD overlay */
.hero-hud { position: absolute; inset: 0; z-index: 2; pointer-events: none; will-change: transform; }
.hud-corner { position: absolute; width: 46px; height: 46px; border: 1px solid var(--line-amber); }
.hud-corner.tl { top: 26px; left: 26px; border-right: 0; border-bottom: 0; }
.hud-corner.tr { top: 26px; right: 26px; border-left: 0; border-bottom: 0; }
.hud-corner.bl { bottom: 26px; left: 26px; border-right: 0; border-top: 0; }
.hud-corner.br { bottom: 26px; right: 26px; border-left: 0; border-top: 0; }
.hud-readout {
  position: absolute;
  font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fog);
}
.hud-readout .live { color: var(--amber); }
.hud-readout .live::before {
  content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--amber); margin-right: 6px; vertical-align: middle;
  box-shadow: 0 0 10px var(--amber-glow);
  animation: pulse 2.4s var(--ease-inout) infinite;
}
.hud-readout.top-right { top: 34px; right: 84px; text-align: right; }
.hud-readout.bottom-left { bottom: 34px; left: 84px; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.28; } }

/* ============================================================
   STATS
   ============================================================ */
.stats { position: relative; z-index: 2; background: var(--bg-900); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat {
  position: relative;
  padding: clamp(2.2rem, 1.2rem + 3vw, 3.6rem) 1.6rem;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 0.55rem;
}
.stat::before {
  content: ""; position: absolute; left: 0; top: 0; width: 26px; height: 2px; background: var(--amber);
  transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease);
}
.stat.in::before { transform: scaleX(1); }
.stat:last-child { border-right: 0; }
.stat-num {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.3rem, 1.4rem + 2.8vw, 3.6rem); line-height: 1; letter-spacing: -0.03em;
}
.stat-num .plus { color: var(--amber); }
.stat-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fog); }

/* ============================================================
   GENERIC SECTION
   ============================================================ */
.section { position: relative; z-index: 2; padding-block: var(--space-section); }
.section-dark { background: var(--bg-900); border-block: 1px solid var(--line); }
.section-lead { max-width: 34ch; margin-bottom: clamp(2.6rem, 1.5rem + 3vw, 4.2rem); }
.section-lead h2 { font-size: var(--text-h2); }

.two-col { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 5vw, 5.5rem); align-items: start; }
.col-head h2 { font-size: var(--text-h2); }
.col-body p { color: var(--silver); margin: 0 0 1.3rem; max-width: 54ch; }
.col-body p:last-child { margin-bottom: 0; }
.col-body .pull {
  color: var(--ivory); font-family: var(--font-display); font-weight: 700;
  font-size: 1.25rem; line-height: 1.35; letter-spacing: -0.01em;
  border-left: 2px solid var(--amber); padding-left: 1.3rem; margin-top: 1.8rem;
}

/* ---------- cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card {
  position: relative; overflow: hidden;
  background: var(--bg-800); padding: 2.2rem 1.7rem;
  display: flex; flex-direction: column; gap: 0.85rem;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.section-dark .card { background: var(--bg-700); }
.card::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--amber); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.card:hover { background: var(--bg-550); }
.card:hover::after { transform: scaleX(1); }
.card-index { font-family: var(--font-mono); font-size: 0.76rem; color: var(--amber); letter-spacing: 0.14em; }
.card h3 { font-family: var(--font-sans); font-weight: 700; font-size: var(--text-h3); letter-spacing: -0.01em; }
.card p { color: var(--silver); font-size: 0.96rem; margin: 0; }

/* ---------- capabilities grid ---------- */
.cap-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.cap-grid li {
  position: relative;
  background: var(--bg-800); padding: 1.7rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.45rem;
  transition: background var(--dur) var(--ease);
}
.cap-grid li:hover { background: var(--bg-700); }
.cap-idx { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; color: var(--fog-dim); }
.cap-name { font-family: var(--font-display); font-weight: 700; font-size: 1.16rem; letter-spacing: -0.015em; color: var(--ivory); }
.cap-sub { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.05em; color: var(--fog); }
.cap-grid li:hover .cap-name { color: var(--amber-bright); }
.cap-foot { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fog); margin: 1.8rem 0 0; letter-spacing: 0.03em; }

/* ---------- credentials ---------- */
.cred-grid {
  margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.cred {
  position: relative;
  background: var(--bg-700); padding: 1.5rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  transition: background var(--dur) var(--ease);
}
.cred::before {
  content: ""; position: absolute; top: 0; left: 0; width: 22px; height: 2px;
  background: var(--amber);
}
.cred:hover { background: var(--bg-600); }
.cred dt { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fog); }
.cred dd { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.28rem; letter-spacing: -0.01em; color: var(--amber-bright); }
.cred dd .sub { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 0.72rem; letter-spacing: 0.04em; color: var(--silver); margin-top: 0.15rem; }

/* ---------- steps ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.6rem, 1rem + 2vw, 3.2rem); }
.step { position: relative; padding-top: 2.6rem; border-top: 2px solid var(--line-strong); transition: border-color var(--dur) var(--ease); }
.step:hover { border-color: var(--amber); }
.step-num {
  position: absolute; top: -1.5rem; left: 0;
  width: 3rem; height: 3rem; display: grid; place-items: center;
  background: var(--bg-700); border: 1px solid var(--line-amber); color: var(--amber-bright);
  font-family: var(--font-display); font-weight: 800; font-size: 1.3rem;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.step:hover .step-num { background: var(--amber); color: var(--bg-900); border-color: var(--amber); }
.step h3 { font-family: var(--font-sans); font-weight: 700; font-size: var(--text-h3); margin-bottom: 0.7rem; }
.step p { color: var(--silver); margin: 0; font-size: 0.96rem; }

/* ---------- contact ---------- */
.contact { background: linear-gradient(180deg, var(--bg-800), var(--bg-900)); }
.contact-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(2.6rem, 5vw, 5.5rem); align-items: start; }
.contact-copy h2 { font-size: var(--text-h2); margin-bottom: 1.3rem; }
.contact-copy > p { color: var(--silver); max-width: 42ch; }
.contact-details { margin: 2.2rem 0 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-details div { background: var(--bg-800); display: grid; grid-template-columns: 8.5rem 1fr; padding: 0.95rem 1.2rem; }
.contact-details dt { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fog); }
.contact-details dd { margin: 0; color: var(--ivory); }
.contact-details a { border-bottom: 1px solid transparent; transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease); }
.contact-details a:hover { color: var(--amber-bright); border-color: var(--amber); }

.contact-form {
  position: relative;
  background: var(--bg-700); border: 1px solid var(--line-strong);
  padding: clamp(1.7rem, 1rem + 2vw, 2.6rem);
  display: grid; gap: 1.15rem;
}
.contact-form::before {
  content: ""; position: absolute; top: -1px; left: -1px; width: 34px; height: 34px;
  border-top: 2px solid var(--amber); border-left: 2px solid var(--amber);
}
.field { display: grid; gap: 0.5rem; }
.field label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--silver); }
.field input, .field textarea {
  background: var(--bg-900); border: 1px solid var(--line-strong); border-radius: 2px; color: var(--ivory);
  font-family: var(--font-sans); font-size: 1rem; padding: 0.85rem 0.95rem; width: 100%;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--fog-dim); }
.field input:focus, .field textarea:focus { border-color: var(--amber); outline: none; box-shadow: 0 0 0 3px rgba(201, 160, 106, 0.16); }
.field textarea { resize: vertical; min-height: 96px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-family: var(--font-mono); font-size: 0.78rem; color: var(--amber-bright); margin: 0.2rem 0 0; min-height: 1.1rem; }

/* ---------- footer ---------- */
.site-footer { position: relative; z-index: 2; background: var(--bg-900); border-top: 1px solid var(--line); padding-block: 3rem; }
.footer-inner { display: flex; flex-direction: column; gap: 0.9rem; align-items: center; text-align: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 0.7rem; font-family: var(--font-display); font-weight: 800; letter-spacing: 0.06em; }
.footer-brand .brand-mark { width: 30px; height: 30px; }
.footer-line { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.08em; color: var(--silver); margin: 0; }
.footer-fine { font-size: 0.8rem; color: var(--fog); margin: 0; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .hero { min-height: auto; }
  .hero-copy { max-width: 100%; }
  .two-col { grid-template-columns: 1fr; gap: 1.6rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .cred-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 2.8rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .main-nav { gap: 1.1rem; }
  .main-nav a:not(.nav-cta) { display: none; }
  .hud-readout { display: none; }
}

@media (max-width: 540px) {
  .brand-name { font-size: 0.82rem; letter-spacing: 0.03em; }
  .brand-mark { width: 30px; height: 30px; }
  .brand { gap: 0.55rem; }
  .nav-cta { font-size: 0.66rem; padding: 0.5rem 0.75rem; }
  .card-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .cred-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .hud-corner { display: none; }
  .contact-details div { grid-template-columns: 1fr; gap: 0.25rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}