/* ===== Tier Services — Design Tokens ===== */
:root {
  --bg: #0a0e14;
  --bg-elev: #0f141c;
  --bg-elev-2: #151c26;
  --surface: #1a2230;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);
  --text: #e8ecf2;
  --text-dim: #9aa4b2;
  --text-mute: #5d6878;
  --brand: #2b4ee6;        /* Tier navy-blue, tuned brighter */
  --brand-deep: #1a2f9c;
  --brand-glow: #4d6dff;
  --accent: #00d4ff;        /* electric cyan */
  --warn: #ff7a1a;          /* safety orange */
  --ok: #4ade80;
  --radius: 4px;
  --radius-lg: 10px;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --display: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="light"] {
  --bg: #f5f3ee;
  --bg-elev: #ffffff;
  --bg-elev-2: #efece5;
  --surface: #ffffff;
  --line: rgba(10,14,20,0.10);
  --line-strong: rgba(10,14,20,0.20);
  --text: #0a0e14;
  --text-dim: #4a5566;
  --text-mute: #8a93a3;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); }
body {
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ===== Type ===== */
.display {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.95;
  text-wrap: balance;
}
.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  display: inline-block;
}

/* ===== Layout ===== */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

/* ===== Grid backdrop ===== */
.grid-bg {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #001018;
  border-color: var(--accent);
}
.btn-primary:hover { background: #fff; border-color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover { background: var(--surface); border-color: var(--text); }
.btn-arrow::after {
  content: "→";
  font-family: var(--mono);
  transition: transform 0.18s ease;
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}
.logo-mark {
  width: 22px; height: 22px;
  position: relative;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.has-sub::after {
  content: "↓";
  font-size: 10px;
  margin-left: 4px;
  opacity: 0.5;
}
.nav-cta { display: flex; gap: 16px; align-items: center; }
.nav-inner { gap: 32px; }
.logo-tag { display: inline; }
.nav-status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--ok) 20%, transparent);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@media (max-width: 1180px) { .nav-status { display: none; } }
@media (max-width: 1024px) { .logo-tag { display: none; } }
@media (max-width: 900px) { .nav-links { display: none; } }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 0 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 80% 30%, color-mix(in oklab, var(--brand-glow) 18%, transparent), transparent 60%),
    radial-gradient(ellipse at 10% 80%, color-mix(in oklab, var(--accent) 8%, transparent), transparent 50%);
  pointer-events: none;
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: calc(100vh - 200px);
}
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
}
.hero-eyebrow-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}
.hero h1 {
  font-size: clamp(48px, 7.2vw, 104px);
  font-weight: 500;
  margin-bottom: 28px;
}
.hero h1 .accent { color: var(--accent); font-style: italic; font-weight: 400; }
.hero h1 .strike {
  position: relative;
  display: inline-block;
}
.hero p.lede {
  font-size: 19px;
  line-height: 1.5;
  color: var(--text-dim);
  max-width: 540px;
  margin-bottom: 40px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 600px;
}
.hero-meta-item .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 6px;
}
.hero-meta-item .value {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.hero-meta-item .value .unit { font-size: 13px; color: var(--text-dim); margin-left: 2px; }

/* Scan visual */
.scan-stage {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 560px;
  margin-left: auto;
}

/* ===== Section frame ===== */
.section {
  padding: 120px 0;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-family: var(--display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.0;
  max-width: 720px;
}
.section-head .eyebrow { margin-bottom: 16px; display: flex; }
.section-head .lede {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 380px;
  line-height: 1.55;
}
.section-marker {
  position: absolute;
  top: 24px; left: 32px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex; gap: 12px;
}
.section-marker::before { content: "◆"; color: var(--accent); }

/* ===== Services ===== */
.services-list {
  border-top: 1px solid var(--line-strong);
}
.service-row {
  display: grid;
  grid-template-columns: 80px 1fr 1.4fr 200px;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  align-items: start;
}
.service-row::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width 0.3s ease;
}
.service-row:hover { padding-left: 24px; }
.service-row:hover::before { width: 3px; }
.service-row .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-mute);
  padding-top: 8px;
}
.service-row .title {
  font-family: var(--display);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.service-row .desc { color: var(--text-dim); font-size: 15px; line-height: 1.55; }
.service-row .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.service-row .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  border: 1px solid var(--line-strong);
  padding: 4px 8px;
  border-radius: 2px;
}
.service-row .meta {
  text-align: right;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.service-row .meta .lead-time {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--text);
  font-weight: 500;
  text-transform: none;
  margin-bottom: 4px;
  display: block;
}
@media (max-width: 900px) {
  .service-row { grid-template-columns: 1fr; gap: 12px; }
  .service-row .meta { text-align: left; }
}

/* ===== Process ===== */
.process {
  background: var(--bg-elev);
}
.process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  margin-top: 40px;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 5%; right: 5%;
  height: 1px;
  background: var(--line-strong);
}
.process-step {
  position: relative;
  padding: 0 16px;
  text-align: left;
}
.process-dot {
  width: 14px; height: 14px;
  border: 2px solid var(--accent);
  background: var(--bg-elev);
  border-radius: 50%;
  margin-left: 0;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
  margin-top: 21px;
}
.process-step .step-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text-mute);
  margin-bottom: 8px;
}
.process-step h4 {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
}
@media (max-width: 900px) {
  .process-track { grid-template-columns: 1fr; gap: 24px; }
  .process-track::before { display: none; }
}

/* ===== Capacity grid ===== */
.capacity {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 32px;
}
.cap-card {
  background: var(--bg);
  padding: 28px;
  position: relative;
}
.cap-card.sz-2 { grid-column: span 6; }
.cap-card.sz-1 { grid-column: span 3; }
.cap-card.sz-3 { grid-column: span 4; }
.cap-card.sz-4 { grid-column: span 8; }
@media (max-width: 900px) {
  .cap-card, .cap-card.sz-1, .cap-card.sz-2, .cap-card.sz-3, .cap-card.sz-4 { grid-column: span 12; }
}
.cap-card .top {
  display: flex; justify-content: space-between; align-items: start;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  margin-bottom: 32px;
  text-transform: uppercase;
}
.cap-card .big {
  font-family: var(--display);
  font-size: clamp(36px, 4.8vw, 56px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin-bottom: 12px;
}
.cap-card .big .unit { font-size: 0.4em; color: var(--text-dim); margin-left: 4px; vertical-align: super; }
.cap-card .label {
  font-size: 14px; color: var(--text-dim);
}
.cap-card.featured {
  background: linear-gradient(140deg, var(--bg-elev-2), var(--bg-elev));
}
.cap-card.featured::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}
.cap-card .body { position: relative; z-index: 1; }

/* ===== Logos / proof ===== */
.logo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px 0;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.logo-chip {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  transition: color 0.2s;
}
.logo-chip:hover { color: var(--text); }

/* ===== Case studies ===== */
.cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  margin-top: 32px;
  border: 1px solid var(--line);
}
.case-card {
  background: var(--bg);
  padding: 40px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
}
.case-card:hover { background: var(--bg-elev); }
.case-card .vis {
  aspect-ratio: 16/10;
  background: var(--bg-elev-2);
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}
.case-card .top-meta {
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.case-card h3 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.1;
}
.case-card .stat {
  display: flex; gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.case-card .stat-item .num {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.case-card .stat-item .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-top: 2px;
}
@media (max-width: 900px) { .cases { grid-template-columns: 1fr; } }

/* ===== Certifications ===== */
.certs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.cert {
  border: 1px solid var(--line);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cert .code {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.cert .name { font-size: 13px; color: var(--text-dim); }
@media (max-width: 700px) { .certs { grid-template-columns: 1fr 1fr; } }

/* ===== CTA / RFQ ===== */
.rfq {
  background: var(--bg-elev);
  position: relative;
  overflow: hidden;
}
.rfq::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  opacity: 0.6;
  pointer-events: none;
}
.rfq-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.rfq h2 {
  font-family: var(--display);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.0;
  margin-bottom: 24px;
}
.rfq p { color: var(--text-dim); margin-bottom: 32px; max-width: 440px; }
.rfq-form {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 32px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 8px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text);
  padding: 12px 14px;
  font-family: var(--body);
  font-size: 14px;
  border-radius: var(--radius);
  transition: border-color 0.18s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-row.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  padding: 8px 12px;
  border-radius: 2px;
  cursor: pointer;
  color: var(--text-dim);
  background: transparent;
  transition: all 0.15s;
}
.chip.active { border-color: var(--accent); color: var(--accent); background: color-mix(in oklab, var(--accent) 8%, transparent); }
@media (max-width: 900px) { .rfq-inner { grid-template-columns: 1fr; gap: 40px; } }

/* ===== Footer ===== */
.footer {
  padding: 80px 0 40px;
  background: var(--bg);
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}
.footer h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 16px;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer a { color: var(--text-dim); text-decoration: none; font-size: 14px; }
.footer a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.08em;
  flex-wrap: wrap;
  gap: 16px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ===== Marquee ===== */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 24px 0;
  background: var(--bg-elev);
}
.marquee-track {
  display: flex;
  gap: 64px;
  animation: scroll 60s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.marquee-item {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 64px;
}
.marquee-item::after {
  content: "◆";
  color: var(--accent);
  font-size: 14px;
}
@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* Tweaks panel adjustments */
.tweaks-shell { font-family: var(--body) !important; }