/* ===== Tekniku — design tokens ===== */
:root {
  --navy: #182333;
  --navy-light: #24344a;
  --amber: #fda12b;
  --amber-dark: #e8890f;
  --grey-bg: #f8f9fa;
  --paper: #fbfaf7;
  --text: #3a3f47;
  --text-muted: #8d9297;
  --white: #ffffff;
  --border: #e0e2e6;
  --line: rgba(24, 35, 51, 0.14);

  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Poppins', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Consolas, monospace;

  --container: 1180px;
  --radius: 4px;
  --radius-sm: 4px;
  --shadow: 0 10px 30px rgba(24, 35, 51, 0.08);
  --shadow-lg: 0 20px 50px rgba(24, 35, 51, 0.14);
  --transition: 0.25s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0 0 0.5em; color: var(--navy); font-weight: 700; line-height: 1.1; letter-spacing: -0.01em; font-family: var(--font-display); }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

section { padding: 88px 0; position: relative; }
@media (max-width: 768px) { section { padding: 56px 0; } }

/* ===== Blueprint grid-paper texture ===== */
.blueprint-bg {
  position: relative;
}
.blueprint-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  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: 40px 40px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, black, transparent 85%);
  mask-image: linear-gradient(180deg, black, transparent 85%);
}

/* ===== Technical sheet corner registration marks ===== */
/* Uses child spans (not ::before/::after) so it can combine with .blueprint-bg */
.tech-sheet { position: relative; }
.tech-sheet .ts-corner {
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid var(--border);
  z-index: 1;
  pointer-events: none;
}
.tech-sheet .ts-tl { top: 28px; left: 24px; border-right: none; border-bottom: none; }
.tech-sheet .ts-tr { top: 28px; right: 24px; border-left: none; border-bottom: none; }
.tech-sheet .ts-bl { bottom: 28px; left: 24px; border-right: none; border-top: none; }
.tech-sheet .ts-br { bottom: 28px; right: 24px; border-left: none; border-top: none; }
@media (max-width: 700px) {
  .tech-sheet .ts-corner { display: none; }
}
.blueprint-bg > * { position: relative; z-index: 1; }
.blueprint-bg.dark::before { --line: rgba(255, 255, 255, 0.06); }

/* ===== Index numbers + monospace annotations ===== */
.index-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--amber-dark);
  letter-spacing: 0.05em;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--amber-dark);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 0.9em;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--amber);
  flex-shrink: 0;
}
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.2vw, 2.7rem); }
.section-head p { color: var(--text-muted); }

.section-eyebrow-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.section-eyebrow-row .section-tag { margin-bottom: 0; }
.section-eyebrow-row .index-num { font-size: 0.85rem; }

/* ===== Dimension-line divider ===== */
.dim-line {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 40px;
}
.dim-line::before, .dim-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background-image: linear-gradient(90deg, var(--border) 0 6px, transparent 6px 10px);
  background-size: 10px 1px;
  background-repeat: repeat-x;
  position: relative;
}
.dim-line::before { border-left: 1px solid var(--border); }
.dim-line::after { border-right: 1px solid var(--border); }
.dim-line span { white-space: nowrap; }
.dim-line.on-dark { color: rgba(255,255,255,0.55); }
.dim-line.on-dark::before, .dim-line.on-dark::after {
  background-image: linear-gradient(90deg, rgba(255,255,255,0.2) 0 6px, transparent 6px 10px);
  border-color: rgba(255,255,255,0.2);
}

/* ===== Corner-bracket photo frame ===== */
.blueprint-frame {
  position: relative;
  padding: 14px;
}
.blueprint-frame::before,
.blueprint-frame::after,
.blueprint-frame .bf-tr,
.blueprint-frame .bf-bl {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--amber);
  z-index: 2;
}
.blueprint-frame::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.blueprint-frame::after { bottom: 0; right: 0; border-left: none; border-top: none; }
.blueprint-frame .bf-tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.blueprint-frame .bf-bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.blueprint-frame .bf-tag {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 3;
  background: var(--navy);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  padding: 5px 9px;
  text-transform: uppercase;
}
.blueprint-frame img { width: 100%; height: 100%; object-fit: cover; }
.blueprint-frame .bf-scale {
  position: absolute;
  bottom: 14px; right: 14px;
  z-index: 3;
  background: rgba(24,35,51,0.85);
  color: rgba(255,255,255,0.85);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  text-transform: uppercase;
}

/* ===== Blueprint approval stamp ===== */
.blueprint-stamp {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 2px dashed var(--amber);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: rotate(-10deg);
  color: var(--amber);
  font-family: var(--font-mono);
  text-transform: uppercase;
  background: rgba(253,161,43,0.04);
  flex-shrink: 0;
}
.blueprint-stamp .bs-top {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.blueprint-stamp .bs-main {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.15;
}
.blueprint-stamp .bs-bottom {
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  margin-top: 4px;
  color: rgba(253,161,43,0.75);
}

/* ===== Process / schematic steps ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-step {
  position: relative;
  padding: 0 24px;
  text-align: center;
}
.process-step:first-child { padding-left: 0; }
.process-step:last-child { padding-right: 0; }
.process-node {
  width: 64px;
  height: 64px;
  border: 2px solid var(--navy);
  background: var(--white);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.3rem;
  position: relative;
  z-index: 2;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.process-step:hover .process-node {
  border-color: var(--amber);
  color: var(--amber-dark);
  transform: scale(1.06);
}
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(50% + 56px);
  width: calc(100% - 88px);
  height: 0;
  border-top: 2px dashed var(--border);
  z-index: 1;
}
.process-step h4 { font-size: 1.02rem; margin-bottom: 8px; }
.process-step p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 0; }
@media (max-width: 820px) {
  .process-steps { grid-template-columns: 1fr; gap: 40px; }
  .process-step { padding: 0; }
  .process-step:not(:last-child)::after {
    top: auto;
    bottom: -20px;
    left: 50%;
    width: 0;
    height: 20px;
    border-top: none;
    border-left: 2px dashed var(--border);
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-accent { background: var(--amber); color: var(--navy); }
.btn-accent:hover { background: var(--amber-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; border-color: var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--navy); }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: height var(--transition), box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(24,35,51,0.08); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 84px;
  transition: height var(--transition);
}
.site-header.scrolled .header-inner { height: 68px; }
.brand-logo { height: 44px; width: auto; transition: height var(--transition); }
.site-header.scrolled .brand-logo { height: 36px; }
.main-nav ul { display: flex; gap: 32px; }
.main-nav a {
  font-weight: 500;
  color: var(--navy);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--amber);
  transition: width var(--transition);
}
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--amber-dark); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.lang-toggle {
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 4px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--navy);
  letter-spacing: 0.05em;
}
.lang-toggle:hover { border-color: var(--amber); }
.header-cta { padding: 12px 24px; font-size: 0.88rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--navy);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 84px;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.open { max-height: 400px; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 24px 24px; }
  .main-nav a { display: block; padding: 12px 0; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  color: var(--white);
  padding: 150px 0 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
  background: var(--navy);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(24,35,51,0.95) 0%, rgba(24,35,51,0.86) 45%, rgba(24,35,51,0.6) 100%);
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 680px; margin: 0; padding-bottom: 70px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(253, 161, 43, 0.1);
  color: var(--amber);
  border-left: 3px solid var(--amber);
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.hero h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.hero h1 .kw {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: 0.15em;
  margin-bottom: -0.15em;
}
.hero h1 .kw span {
  display: inline-block;
  transform: translateY(110%);
  animation: kineticUp 0.7s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes kineticUp {
  to { transform: translateY(0); }
}
.hero h1 .accent { color: var(--amber); }
.hero p { color: rgba(255,255,255,0.78); font-size: 1.12rem; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

.page-hero { padding: 160px 0 0; }
.page-hero .hero-content { padding-bottom: 56px; }
.page-hero h1 { color: var(--white); font-size: clamp(2.1rem, 4.4vw, 3.1rem); }
.page-hero .breadcrumb { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-top: 8px; }
.page-hero .breadcrumb a { color: var(--amber); }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 40px;
  z-index: 2;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.5; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* ===== Trust badge bar ===== */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 36px;
  position: relative;
  border: 1px solid rgba(255,255,255,0.16);
  border-bottom: none;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.16);
  border-right: 1px solid rgba(255,255,255,0.16);
  color: var(--white);
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex: 1;
}
.trust-badge:last-child { border-right: none; }
.trust-badge svg { color: var(--amber); flex-shrink: 0; }

/* ===== Stats ===== */
.stats-band {
  background: var(--navy);
  color: var(--white);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: left;
}
.stats-grid > div {
  padding: 8px 32px;
  border-left: 1px solid rgba(255,255,255,0.14);
}
.stats-grid > div:first-child { border-left: none; padding-left: 0; }
.stat-number {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--amber);
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
}
.stat-label { color: rgba(255,255,255,0.6); font-weight: 500; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 6px; }
@media (max-width: 700px) {
  .stats-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid > div { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.14); padding-top: 24px; }
  .stats-grid > div:first-child { border-top: none; padding-top: 0; }
}

/* ===== Service cards (spec-sheet style) ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (max-width: 980px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--white);
  padding: 36px 30px;
  position: relative;
  transition: background var(--transition);
}
.service-card:hover { background: var(--paper); }
.service-card .index-num {
  position: absolute;
  top: 24px;
  right: 26px;
}
.service-icon {
  width: 56px; height: 56px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: rgba(253, 161, 43, 0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber-dark);
  margin-bottom: 24px;
  transition: border-color var(--transition), background var(--transition);
}
.service-card:hover .service-icon { border-color: var(--amber); background: rgba(253,161,43,0.14); }

/* Line-draw reveal for icon strokes, using pathLength=1 for consistent timing */
.service-icon svg path,
.service-icon svg circle,
.service-icon svg rect {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 0.9s cubic-bezier(.4,.1,.2,1);
}
.reveal.visible .service-icon svg path,
.reveal.visible .service-icon svg circle,
.reveal.visible .service-icon svg rect {
  stroke-dashoffset: 0;
}
.service-icon svg path:nth-child(2) { transition-delay: 0.15s; }
.service-icon svg path:nth-child(3) { transition-delay: 0.3s; }
.service-icon svg rect:nth-child(2) { transition-delay: 0.1s; }
.service-icon svg rect:nth-child(3) { transition-delay: 0.2s; }
.service-icon svg rect:nth-child(4) { transition-delay: 0.3s; }
@media (prefers-reduced-motion: reduce) {
  .service-icon svg path, .service-icon svg circle, .service-icon svg rect {
    transition: none; stroke-dashoffset: 0;
  }
}

.service-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0; }
.service-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-weight: 600; color: var(--navy);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}
.service-card:hover .service-link { color: var(--amber-dark); }

/* ===== Full service sections (services.html) ===== */
.service-full {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.service-full:last-child { border-bottom: none; }
.service-full.reverse .service-full-media { order: 2; }
.service-full-media { position: relative; }
.service-full-media img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}
.service-full-body ul { margin-top: 20px; }
.service-full-body li {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 10px; color: var(--text);
}
.service-full-body li svg { flex-shrink: 0; margin-top: 4px; color: var(--amber-dark); }
@media (max-width: 820px) {
  .service-full { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; }
  .service-full.reverse .service-full-media { order: 0; }
}

/* ===== Why-us / feature bullets ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (max-width: 980px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features-grid { grid-template-columns: 1fr; } }
.feature-item { text-align: center; padding: 28px 20px; background: var(--white); }
.feature-item .service-icon { margin: 0 auto 18px; }
.feature-item h4 { font-size: 1.02rem; margin-bottom: 6px; }
.feature-item p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== About page ===== */
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-images { position: relative; }
.about-img-main { width: 82%; }
.about-img-float {
  position: absolute;
  right: -14px; bottom: -40px;
  width: 50%;
  background: var(--white);
}
.about-badge {
  position: absolute;
  left: -20px; top: 24px;
  z-index: 3;
  background: var(--amber);
  color: var(--navy);
  padding: 18px 22px;
  box-shadow: var(--shadow);
  font-weight: 800;
  text-align: center;
  line-height: 1.1;
}
.about-badge span { display: block; font-size: 1.8rem; font-family: var(--font-mono); }
.about-badge small { font-weight: 600; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-mono); }
@media (max-width: 820px) {
  .about-hero-grid { grid-template-columns: 1fr; }
  .about-images { margin-bottom: 60px; }
}

.mission-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); }
@media (max-width: 700px) { .mission-grid { grid-template-columns: 1fr; } }
.mission-card {
  background: var(--white);
  padding: 40px;
  position: relative;
  min-width: 0;
}
.mission-card h3 { display: flex; align-items: center; gap: 12px; }

/* ===== Portfolio ===== */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.filter-btn {
  border: none;
  border-right: 1px solid var(--border);
  background: var(--white);
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: all var(--transition);
}
.filter-btn:last-child { border-right: none; }
.filter-btn:hover { color: var(--navy); background: var(--paper); }
.filter-btn.active { background: var(--navy); color: var(--white); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
@media (max-width: 980px) { .portfolio-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .portfolio-grid { grid-template-columns: 1fr; } }

.portfolio-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1/1;
  cursor: pointer;
  background: var(--grey-bg);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.portfolio-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, filter 0.4s ease;
  filter: grayscale(0.15);
}
.portfolio-item:hover img { transform: scale(1.06); filter: grayscale(0); }
.portfolio-item .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(24,35,51,0.8), transparent 55%);
  opacity: 0; transition: opacity var(--transition);
  display: flex; align-items: flex-end; padding: 14px;
  color: var(--white); font-weight: 500; font-size: 0.72rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.portfolio-item:hover .overlay { opacity: 1; }
.portfolio-item.hidden {
  opacity: 0;
  transform: scale(0.92);
  position: absolute;
  pointer-events: none;
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(10, 14, 20, 0.94);
  display: none;
  align-items: center; justify-content: center;
  z-index: 1000;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90vw; max-height: 85vh;
  transform: scale(0.94);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.lightbox.open img { transform: scale(1); opacity: 1; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  width: 48px; height: 48px;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--amber); color: var(--navy); border-color: var(--amber); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

/* ===== CTA band ===== */
.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  border: 1px solid var(--navy-light);
}
.cta-band::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 26px; height: 26px;
  border-top: 2px solid var(--amber);
  border-left: 2px solid var(--amber);
}
.cta-band::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 26px; height: 26px;
  border-bottom: 2px solid var(--amber);
  border-right: 2px solid var(--amber);
}
.cta-band h2 { color: var(--white); margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,0.75); margin-bottom: 0; }

/* ===== Forms ===== */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; min-width: 0; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-weight: 500; font-size: 0.75rem; color: var(--navy);
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.04em;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(253,161,43,0.18);
}
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 40px;
  position: relative;
  min-width: 0;
}
.form-note {
  margin-top: 14px;
  font-size: 0.85rem;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: none;
}
.form-note.show { display: block; }
.form-note.success { background: rgba(97, 206, 112, 0.15); color: #1f7a34; }
.form-note.error { background: rgba(254, 108, 97, 0.12); color: #b23a2f; }

/* ===== Contact info cards ===== */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 56px;
}
@media (max-width: 820px) { .contact-info-grid { grid-template-columns: 1fr; } }
.contact-info-card {
  background: var(--white);
  padding: 32px 28px;
  text-align: center;
}
.contact-info-card .service-icon { margin: 0 auto 16px; background: rgba(24,35,51,0.05); color: var(--navy); }

.map-embed {
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 56px;
  filter: grayscale(0.3) contrast(1.05);
}
.map-embed iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ===== Footer ===== */
.stripe-divider {
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--amber) 0, var(--amber) 14px,
    var(--navy-light) 14px, var(--navy-light) 28px
  );
}
.site-footer { background: var(--navy); color: rgba(255,255,255,0.75); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 72px 0 48px;
}
@media (max-width: 820px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px 24px; } }
@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 40px; text-align: center; }
  .footer-brand, .footer-col { text-align: center; }
  .social-links { justify-content: center; }
}
.footer-logo { margin-bottom: 16px; filter: brightness(0) invert(1); }
@media (max-width: 640px) { .footer-logo { margin-left: auto; margin-right: auto; } }
.footer-brand p { font-size: 0.9rem; }
.social-links { display: flex; gap: 12px; margin-top: 16px; }
.social-links a {
  width: 38px; height: 38px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.social-links a:hover { background: var(--amber); color: var(--navy); border-color: var(--amber); }
.footer-col h4 {
  color: var(--white); font-size: 0.85rem; margin-bottom: 18px;
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  text-align: center;
}

/* ===== Utilities ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.text-center { text-align: center; }
.bg-grey { background: var(--grey-bg); }

/* Staggered reveal for grid children */
.services-grid .service-card,
.features-grid .feature-item,
.portfolio-grid .portfolio-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.services-grid .service-card.visible,
.features-grid .feature-item.visible,
.portfolio-grid .portfolio-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.portfolio-grid .portfolio-item.visible { transition: opacity 0.35s ease, transform 0.35s ease; }

/* ===== Scroll progress bar ===== */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  z-index: 200;
  transition: width 0.1s linear;
}

/* ===== HUD crosshair cursor ===== */
.hud-cursor {
  position: fixed;
  top: 0; left: 0;
  width: 0; height: 0;
  pointer-events: none;
  z-index: 400;
  opacity: 0;
  transition: opacity 0.2s ease;
  will-change: transform;
}
.hud-cursor.active { opacity: 1; }
.hud-cursor::before, .hud-cursor::after {
  content: '';
  position: absolute;
  background: var(--amber);
}
.hud-cursor::before { width: 1px; height: 22px; left: -0.5px; top: -11px; }
.hud-cursor::after { width: 22px; height: 1px; left: -11px; top: -0.5px; }
.hud-dot {
  position: absolute;
  width: 4px; height: 4px;
  left: -2px; top: -2px;
  border-radius: 50%;
  background: var(--amber);
}
.hud-coords {
  position: absolute;
  left: 16px; top: 16px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  color: var(--amber);
  background: rgba(24,35,51,0.85);
  padding: 3px 8px;
}
@media (hover: none), (pointer: coarse) {
  .hud-cursor { display: none; }
}

/* ===== Back to top ===== */
#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 4px;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 150;
}
#back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background: var(--amber); color: var(--navy); }

/* ===== WhatsApp float button (desktop) ===== */
#whatsapp-float {
  position: fixed;
  left: 24px;
  bottom: 24px;
  width: 56px; height: 56px;
  border-radius: 4px;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 150;
  transition: transform var(--transition), background var(--transition);
}
#whatsapp-float:hover { background: #1ebe5b; transform: translateY(-2px); }

/* ===== Mobile sticky call/whatsapp bar ===== */
.mobile-cta-bar { display: none; }
@media (max-width: 768px) {
  #whatsapp-float { display: none; }
  .mobile-cta-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 300;
    box-shadow: 0 -4px 16px rgba(24,35,51,0.15);
  }
  .mobile-cta-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 12px;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #fff;
  }
  .mobile-cta-bar a.call { background: var(--navy); }
  .mobile-cta-bar a.whatsapp { background: #25D366; }
  #back-to-top { bottom: 78px; }
  body { padding-bottom: 58px; }
}

/* ===== Button shine sweep ===== */
.btn-primary, .btn-accent {
  position: relative;
  overflow: hidden;
}
.btn-primary::before, .btn-accent::before {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}
.btn-primary:hover::before, .btn-accent:hover::before { left: 130%; }

/* ===== Accessibility: reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .service-card, .feature-item, .portfolio-item, #back-to-top, .lightbox img,
  .services-grid .service-card,
  .features-grid .feature-item,
  .portfolio-grid .portfolio-item,
  .hero h1 .kw span {
    transition: none !important;
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
  .scroll-cue { animation: none; }
  .hero-bg { transform: none !important; }
}

/* Focus visibility for keyboard users */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}