/* 通脉科技 TONGMAI — Industrial Protocol Aesthetic (Light) */
:root {
  --bg-deep: #f5f8fa;
  --bg-base: #eef3f6;
  --bg-panel: #ffffff;
  --bg-elevated: #f8fbfc;
  --line: rgba(20, 55, 70, 0.1);
  --line-strong: rgba(12, 140, 105, 0.35);
  --text: #0f1c24;
  --text-muted: #4f6573;
  --text-dim: #7a8f9c;
  --accent: #0c9b72;
  --accent-dim: rgba(12, 155, 114, 0.1);
  --accent-glow: rgba(12, 155, 114, 0.28);
  --warn: #c4842a;
  --signal: #1a7fd4;
  --font-display: "Syne", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
  --max: 1120px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Atmosphere */
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(12, 155, 114, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 155, 114, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(245, 248, 250, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  position: relative;
  display: grid;
  place-items: center;
}

.logo-mark svg {
  width: 100%;
  height: 100%;
}

.logo span {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  display: block;
  margin-top: -2px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line-strong);
  background: var(--accent-dim);
  color: var(--accent) !important;
  font-size: 0.85rem !important;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  background: rgba(46, 230, 168, 0.2);
  box-shadow: 0 0 24px var(--accent-glow);
}

.nav-cta::after {
  display: none !important;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover {
  box-shadow: 0 0 32px var(--accent-glow);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  max-width: 700px;
  max-height: 700px;
  right: -10%;
  top: 10%;
  background: radial-gradient(circle, rgba(12, 155, 114, 0.14), transparent 65%);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite;
}

.hero-glow-2 {
  position: absolute;
  width: 40vw;
  height: 40vw;
  left: -15%;
  bottom: 0;
  background: radial-gradient(circle, rgba(26, 127, 212, 0.1), transparent 70%);
  pointer-events: none;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-brand em {
  font-style: normal;
  color: var(--accent);
  display: block;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: blink 1.6s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0.3; }
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 34em;
  margin-bottom: 2rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.hero-meta dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-meta dd {
  font-size: 0.95rem;
  color: var(--text);
  margin-top: 0.2rem;
}

/* Protocol visual panel */
.protocol-panel {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(15, 40, 55, 0.06);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  overflow: hidden;
}

.protocol-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scan-line 3s linear infinite;
}

@keyframes scan-line {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  color: var(--text-dim);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.panel-dots {
  display: flex;
  gap: 6px;
}

.panel-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
}

.panel-dots i:nth-child(1) { background: #e85d5d; }
.panel-dots i:nth-child(2) { background: var(--warn); }
.panel-dots i:nth-child(3) { background: #0c9b72; }

.frame-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  opacity: 0;
  animation: fade-up 0.5s var(--ease) forwards;
}

.frame-row:nth-child(2) { animation-delay: 0.15s; }
.frame-row:nth-child(3) { animation-delay: 0.3s; }
.frame-row:nth-child(4) { animation-delay: 0.45s; }
.frame-row:nth-child(5) { animation-delay: 0.6s; }
.frame-row:nth-child(6) { animation-delay: 0.75s; }
.frame-row:nth-child(7) { animation-delay: 0.9s; }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.frame-label {
  color: var(--signal);
}

.frame-val {
  color: var(--text-muted);
  word-break: break-all;
}

.frame-val.ok {
  color: var(--accent);
}

.panel-status {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  color: var(--accent);
}

/* Sections */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-base), var(--bg-deep));
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  max-width: 16em;
}

.section-desc {
  color: var(--text-muted);
  max-width: 38em;
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

.section-head {
  margin-bottom: 3rem;
}

.section-head.row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  flex-wrap: wrap;
}

.link-more {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 0.2s;
}

.link-more:hover {
  gap: 0.7rem;
}

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  background: var(--bg-panel);
  padding: 2rem 1.75rem;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.service-card:hover {
  background: var(--bg-elevated);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.service-tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  color: var(--text-dim);
}

/* Pipeline */
.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 1rem;
  position: relative;
}

.pipeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.pipe-step {
  text-align: center;
  padding: 0 1rem;
  position: relative;
}

.pipe-node {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.pipe-step h3 {
  font-size: 1.05rem;
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
}

.pipe-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Cases */
.case-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
}

.case-featured,
.case-item {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s var(--ease);
  display: flex;
  flex-direction: column;
}

.case-featured:hover,
.case-item:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.case-featured {
  min-height: 100%;
  background:
    linear-gradient(160deg, rgba(12, 155, 114, 0.08), transparent 50%),
    var(--bg-panel);
}

.case-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.case-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.case-featured h3,
.case-item h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.85rem;
}

.case-item h3 {
  font-size: 1.15rem;
}

.case-featured p,
.case-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
  margin-bottom: 1.5rem;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.case-metrics strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
  line-height: 1.2;
}

.case-metrics span {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.case-list-full {
  display: grid;
  gap: 1.25rem;
}

.case-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.75rem 2rem;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  transition: border-color 0.3s;
}

.case-row:hover {
  border-color: var(--line-strong);
}

.case-row-id {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.case-row h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.case-row p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.case-row-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
}

.case-row-tech span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--line);
  color: var(--text-dim);
  white-space: nowrap;
}

/* Stats bar */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 4rem;
}

.stat {
  background: var(--bg-panel);
  padding: 2rem 1.5rem;
  text-align: center;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-point {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.about-point:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-point-num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.9rem;
  padding-top: 0.2rem;
}

.about-point h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.about-point p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.capability-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.cap-cell {
  background: var(--bg-panel);
  padding: 1.5rem;
}

.cap-cell h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.cap-cell ul li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.3rem 0;
  padding-left: 0.9rem;
  position: relative;
}

.cap-cell ul li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Contact */
.contact-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.contact-block::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle, rgba(12, 155, 114, 0.1), transparent 70%);
  pointer-events: none;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  align-items: baseline;
}

.contact-list dt,
.contact-list .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.contact-list a,
.contact-list .value {
  font-size: 1.1rem;
  color: var(--text);
  transition: color 0.2s;
}

.contact-list a:hover {
  color: var(--accent);
}

.contact-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.contact-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.qr-placeholder {
  width: 140px;
  height: 140px;
  border: 1px dashed var(--line-strong);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 8px,
      rgba(12, 155, 114, 0.06) 8px,
      rgba(12, 155, 114, 0.06) 16px
    );
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-align: center;
  line-height: 1.4;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 9rem 0 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-hero .grid-bg {
  opacity: 0.7;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 36em;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb span {
  margin: 0 0.5rem;
}

/* Detail content */
.prose {
  max-width: 720px;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
}

.prose p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.prose ul {
  margin: 1rem 0 1.5rem;
}

.prose ul li {
  color: var(--text-muted);
  padding: 0.35rem 0 0.35rem 1.2rem;
  position: relative;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 6px;
  height: 6px;
  background: var(--accent);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 4rem 0 2rem;
  background: var(--bg-base);
}

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

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 28em;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0.3rem 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile */
@media (max-width: 960px) {
  .hero-inner,
  .about-grid,
  .contact-block,
  .case-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .service-grid.cols-3,
  .pipeline,
  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .pipeline::before {
    display: none;
  }

  .case-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .case-row-tech {
    justify-content: flex-start;
  }

  .nav-links {
    position: fixed;
    inset: 72px 0 auto 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 0;
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 1rem;
    justify-content: center;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
    padding: 7rem 0 4rem;
  }

  .contact-block {
    padding: 2rem 1.5rem;
  }

  .contact-list li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 560px) {
  .service-grid,
  .stats,
  .capability-matrix,
  .case-metrics {
    grid-template-columns: 1fr;
  }

  .pipeline {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .container {
    width: min(100% - 1.5rem, var(--max));
  }
}