/* =========================================================
   ARTYOM — shared styles
   Photonic infrastructure, forged in America.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT,WONK@9..144,400;9..144,500;9..144,600;9..144,700;9..144,800;9..144,900&family=Hanken+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600&display=swap');

:root {
  /* palette */
  --bg:           #0b0b0c;
  --bg-2:         #131316;
  --bg-3:         #1c1c1f;
  --fg:           #ece8df;
  --fg-dim:       #aaa49a;
  --fg-muted:     #6e6a62;
  --border:       #28282c;
  --border-strong:#3a3a3f;
  --accent:       #d68a3c;
  --accent-dim:   #8e5a26;
  --signal:       #5dd39e;
  --danger:       #d54e3a;

  /* type */
  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-body:    'Hanken Grotesk', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* layout */
  --gutter: clamp(1.25rem, 3vw, 2.5rem);
  --max-w:  1480px;

  /* motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* faint grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* faint grid backdrop */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
}

::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

/* =========================================================
   typography
   ========================================================= */

.display {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.025em;
}

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 11px;
}

.mono-sm {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

/* =========================================================
   layout primitives
   ========================================================= */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.rule {
  height: 1px;
  background: var(--border);
  border: 0;
}

.bracket-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  gap: 0.75em;
  padding: 14px 18px;
  border: 1px solid var(--border-strong);
  background: transparent;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  position: relative;
}

.bracket-link::before,
.bracket-link::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border: 1px solid var(--accent);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.bracket-link::before { top: -3px; left: -3px; border-right: 0; border-bottom: 0; }
.bracket-link::after  { bottom: -3px; right: -3px; border-left: 0; border-top: 0; }

.bracket-link:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.bracket-link:hover::before,
.bracket-link:hover::after { opacity: 1; }

.bracket-link.primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.bracket-link.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* =========================================================
   header
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 11, 12, 0.7);
  border-bottom: 1px solid var(--border);
}

.site-header .row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 64px;
  gap: 2rem;
}

.wordmark {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

.wordmark .glyph {
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  position: relative;
  display: inline-block;
}
.wordmark .glyph::after {
  content: "";
  position: absolute;
  inset: 3.5px;
  background: var(--accent);
  border-radius: 50%;
}

.nav { display: flex; gap: 2.25rem; justify-content: center; }
.nav a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  transition: color 0.2s;
  position: relative;
}
.nav a::before {
  content: "/";
  color: var(--fg-muted);
  margin-right: 0.5em;
  opacity: 0.5;
}
.nav a:hover { color: var(--fg); }
.nav a.active { color: var(--accent); }

.status {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.status .dot {
  width: 7px; height: 7px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--signal);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(93, 211, 158, 0.5); }
  70%  { box-shadow: 0 0 0 8px rgba(93, 211, 158, 0); }
  100% { box-shadow: 0 0 0 0 rgba(93, 211, 158, 0); }
}

/* =========================================================
   hero
   ========================================================= */

.hero {
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
  border-bottom: 1px solid var(--border);
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-meta .triad { display: flex; gap: 2.5rem; flex-wrap: wrap; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 700;
  font-size: clamp(3.4rem, 9vw, 7.5rem);
  line-height: 0.86;
  letter-spacing: -0.035em;
  margin: 0;
}

.hero h1 .accent { color: var(--accent); font-style: italic; font-weight: 600; }
.hero h1 .thin   { font-weight: 300; opacity: 0.85; }

.hero-sub {
  margin-top: 2rem;
  max-width: 38ch;
  font-size: 17px;
  line-height: 1.55;
  color: var(--fg-dim);
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-figure {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 520px;
  margin-left: auto;
}

/* =========================================================
   ticker
   ========================================================= */

.ticker {
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
  position: relative;
}
.ticker-track {
  display: flex;
  gap: 3rem;
  padding: 14px 0;
  animation: ticker 60s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.ticker-track span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.ticker-track span::before {
  content: "▸";
  color: var(--accent);
  font-size: 9px;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =========================================================
   section scaffolding
   ========================================================= */

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 5rem);
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

.section-head h2 {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 600;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin-top: 1rem;
}
.section-head h2 .accent { color: var(--accent); font-style: italic; }
.section-head .lede {
  color: var(--fg-dim);
  font-size: 17px;
  line-height: 1.55;
  max-width: 50ch;
  margin-top: 1rem;
}

.section-tag {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

/* =========================================================
   capability cards
   ========================================================= */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.cap {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2rem 1.75rem 2rem;
  position: relative;
  transition: background 0.3s var(--ease);
}
.cap:hover { background: var(--bg-2); }

.cap-no {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}

.cap-icon {
  height: 88px;
  margin: 0.5rem 0 2.25rem;
}

.cap h3 {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 600;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

.cap p {
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.cap-list {
  list-style: none;
  border-top: 1px dashed var(--border);
  padding-top: 1rem;
}
.cap-list li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding: 0.4rem 0;
  display: flex;
  justify-content: space-between;
}
.cap-list li span:last-child { color: var(--fg-muted); }

/* =========================================================
   manufacturing section
   ========================================================= */

.mfg {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(214, 138, 60, 0.06), transparent 70%),
    var(--bg);
}

.mfg-statement {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 500;
  font-size: clamp(1.8rem, 3.3vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 28ch;
  margin: 1rem 0 3rem;
}
.mfg-statement em {
  color: var(--accent);
  font-style: italic;
  font-weight: 600;
}

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
}
.step {
  padding: 1.5rem 1rem 1.5rem;
  border-right: 1px solid var(--border);
  position: relative;
}
.step:last-child { border-right: 0; }
.step-no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.step-name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.step-loc {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.mfg-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border-strong);
  margin-top: 3rem;
}
.stat {
  padding: 1.5rem 0;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: 0; padding-left: 1.5rem; }
.stat:not(:first-child) { padding-left: 1.5rem; }
.stat-num {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 600;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-num em { color: var(--accent); font-style: italic; }
.stat-lab {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 0.6rem;
}

/* =========================================================
   spec preview (data sheet)
   ========================================================= */

.spec {
  background: var(--bg-2);
}

.spec-frame {
  border: 1px solid var(--border-strong);
  background: var(--bg);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
}

.spec-vis {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  min-height: 460px;
}
.spec-vis::before {
  content: "";
  position: absolute;
  inset: 1.25rem;
  border: 1px dashed var(--border);
  pointer-events: none;
}

.spec-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: flex;
  justify-content: space-between;
  position: relative; z-index: 1;
}
.spec-tag .id { color: var(--accent); }

.spec-vis figure { position: relative; z-index: 1; margin: auto; width: 100%; }
.spec-vis figcaption {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 1.5rem;
  text-align: center;
}

.spec-data {
  padding: 2.5rem;
}
.spec-data h3 {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 600;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.spec-data .pn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 2rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}
.spec-table tr { border-top: 1px solid var(--border); }
.spec-table tr:last-child { border-bottom: 1px solid var(--border); }
.spec-table th, .spec-table td {
  text-align: left;
  padding: 0.7rem 0;
  letter-spacing: 0.06em;
}
.spec-table th {
  color: var(--fg-muted);
  text-transform: uppercase;
  font-weight: 400;
  font-size: 11px;
  width: 40%;
}
.spec-table td { color: var(--fg); }

.spec-foot {
  margin-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* =========================================================
   contact page
   ========================================================= */

.contact-hero {
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--border);
}

.contact-hero h1 {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 700;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin: 1rem 0;
}
.contact-hero h1 .accent { color: var(--accent); font-style: italic; }
.contact-hero p { color: var(--fg-dim); max-width: 56ch; font-size: 17px; line-height: 1.55; }

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
}
.contact-form-cell { padding: clamp(2rem, 4vw, 3rem); border-right: 1px solid var(--border); }
.contact-aside    { padding: clamp(2rem, 4vw, 3rem); background: var(--bg-2); }

.field { display: block; margin-bottom: 1.5rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.6rem;
}
.field label .req { color: var(--accent); margin-left: 0.3em; }

.field input,
.field select,
.field textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-strong);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 0.55rem 0;
  outline: none;
  transition: border-color 0.2s;
  border-radius: 0;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--fg-muted); }

.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--accent); }

.field textarea { resize: vertical; min-height: 140px; line-height: 1.5; }

.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-dim) 50%),
                    linear-gradient(135deg, var(--fg-dim) 50%, transparent 50%);
  background-position: calc(100% - 14px) center, calc(100% - 8px) center;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}
.field select option { background: var(--bg-2); color: var(--fg); }

.form-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.form-status {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.form-status.ok    { color: var(--signal); }
.form-status.err   { color: var(--danger); }
.form-status.work  { color: var(--accent); }

.aside-block { margin-bottom: 2.25rem; }
.aside-block:last-child { margin-bottom: 0; }
.aside-block h4 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.6rem;
}
.aside-block .line {
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
  font-weight: 500;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.aside-block .line a:hover { color: var(--accent); }
.aside-block .sub { font-size: 14px; color: var(--fg-dim); margin-top: 0.3rem; }

/* =========================================================
   footer
   ========================================================= */

.site-foot {
  padding: 3.5rem 0 2rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.foot-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.foot-brand .wordmark { margin-bottom: 1rem; }
.foot-brand p {
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.55;
  max-width: 36ch;
}

.foot-col h5 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}
.foot-col ul { list-style: none; }
.foot-col li { padding: 0.3rem 0; }
.foot-col a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  transition: color 0.2s;
}
.foot-col a:hover { color: var(--fg); }

.foot-bot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* =========================================================
   responsive
   ========================================================= */

@media (max-width: 960px) {
  .site-header .row { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-figure { order: -1; max-width: 360px; margin-right: auto; }
  .section-head { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2n) { border-right: 0; }
  .mfg-stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: 0; }
  .spec-frame { grid-template-columns: 1fr; }
  .spec-vis { border-right: 0; border-bottom: 1px solid var(--border); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-cell { border-right: 0; border-bottom: 1px solid var(--border); }
  .field-row { grid-template-columns: 1fr; }
  .foot-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .foot-row { grid-template-columns: 1fr; }
  .hero-meta .triad { gap: 1rem; }
  .mfg-stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
}

/* =========================================================
   load-in animation (staggered reveal)
   ========================================================= */

.reveal { opacity: 0; transform: translateY(12px); animation: rise 0.9s var(--ease) forwards; }
.reveal.d1 { animation-delay: 0.05s; }
.reveal.d2 { animation-delay: 0.15s; }
.reveal.d3 { animation-delay: 0.28s; }
.reveal.d4 { animation-delay: 0.42s; }
.reveal.d5 { animation-delay: 0.58s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* light pulse drifting along fiber illustration */
@keyframes drift {
  0%   { offset-distance: 0%;   opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}