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

:root {
  --bg: #0b0b0b;
  --bg-surface: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1c1c1c;
  --accent: #e8890c;
  --accent-dim: #a05f06;
  --accent-glow: rgba(232,137,12,0.12);
  --text: #f0ece4;
  --text-muted: #888070;
  --text-faint: #3a3530;
  --border: rgba(232,137,12,0.15);
  --border-strong: rgba(232,137,12,0.35);
  --grid-line: rgba(255,255,255,0.03);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Barlow', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ── GRID TEXTURE ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px;
  height: 68px;
  background: rgba(11,11,11,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 3px;
  color: var(--text);
  text-decoration: none;
  line-height: 1;
}

.nav-logo .logo-dmaic { color: var(--accent); }

.nav-links {
  display: flex; gap: 36px; list-style: none;
}

.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-cta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--accent);
  padding: 10px 24px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--accent);
  color: #000;
}

/* ── HAMBURGER ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 100%; height: 1.5px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: rgba(11,11,11,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0;
  z-index: 99;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.mobile-menu.open {
  max-height: 400px;
  padding: 16px 0 24px;
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.mobile-menu ul li a {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}

.mobile-menu ul li a:hover {
  color: var(--accent);
  background: rgba(232,137,12,0.04);
}

.mobile-menu .mobile-cta {
  margin: 20px 24px 0;
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--accent);
  color: #000;
  border: none;
  padding: 14px 24px;
  text-align: center;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.mobile-menu .mobile-cta:hover { opacity: 0.85; }

/* ── SECTION BASE ── */
section {
  position: relative;
  z-index: 1;
}

.section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}

.section-label::before {
  content: '';
  display: block; width: 32px; height: 1px;
  background: var(--accent);
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 60px 80px;
  position: relative;
}

.hero-number {
  position: absolute;
  top: 120px; right: 60px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(180px, 22vw, 340px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--text-faint);
  pointer-events: none;
  user-select: none;
  letter-spacing: -8px;
}

.hero-tagline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(64px, 8vw, 130px);
  line-height: 0.92;
  letter-spacing: 2px;
  color: var(--text);
  max-width: 900px;
  margin-bottom: 32px;
}

.hero-title .accent { color: var(--accent); }

.hero-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex; gap: 20px; align-items: center;
}

.btn-primary {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--accent);
  color: #000;
  border: none;
  padding: 16px 36px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.85; }

.btn-ghost {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 16px 36px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

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

.hero-stats {
  position: absolute; right: 60px; bottom: 80px;
  display: flex; flex-direction: column; gap: 28px;
  text-align: right;
}

.hero-stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  letter-spacing: 2px;
  color: var(--accent);
  display: block;
}

.hero-stat-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
}

/* ── DMAIC ── */
#dmaic {
  padding: 120px 60px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.dmaic-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 64px;
}

.dmaic-header h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(42px, 5vw, 72px);
  letter-spacing: 2px;
  line-height: 1;
}

.dmaic-header p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.7;
  text-align: right;
}

.dmaic-track {
  display: flex;
  position: relative;
}

.dmaic-track::before {
  content: '';
  position: absolute;
  top: 6px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dim) 60%, transparent 100%);
}

.dmaic-step {
  flex: 1;
  padding: 0 16px;
  position: relative;
  cursor: default;
  transition: all 0.3s;
}

.dmaic-step:first-child { padding-left: 0; }

.dmaic-dot {
  width: 12px; height: 12px;
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 50%;
  margin-bottom: 52px;
  transition: background 0.3s;
  position: relative; z-index: 1;
}

.dmaic-step:hover .dmaic-dot { background: var(--accent); }

.dmaic-letter {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 56px;
  letter-spacing: 2px;
  color: var(--text-faint);
  line-height: 1;
  margin-bottom: 8px;
  transition: color 0.3s;
}

.dmaic-step:hover .dmaic-letter { color: var(--accent); }

.dmaic-word {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.dmaic-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 180px;
}

/* ── SERVICES ── */
#services { padding: 120px 60px; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 64px;
  border: 1px solid var(--border);
}

.service-card {
  background: var(--bg);
  padding: 48px 40px;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.4s ease;
}

.service-card:hover { background: var(--bg-card-hover); }
.service-card:hover::after { width: 100%; }

.service-number {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 24px;
}

.service-icon {
  width: 48px; height: 48px;
  margin-bottom: 24px;
  opacity: 0.6;
}

.service-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 16px;
}

.service-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ── INDUSTRIES ── */
#industries {
  padding: 120px 60px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.industries-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  margin-top: 64px;
  align-items: start;
}

.industries-left h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(42px, 5vw, 72px);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 24px;
}

.industries-left p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
}

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

.industry-item {
  background: var(--bg);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: background 0.25s;
  cursor: default;
}

.industry-item:hover { background: var(--bg-card-hover); }

.industry-index {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 2px;
  min-width: 28px;
  padding-top: 2px;
}

.industry-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}

.industry-detail {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── CONTACT / CTA ── */
#contact {
  padding: 120px 60px;
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: 'CONTACT';
  position: absolute;
  bottom: -40px; right: -20px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(100px, 14vw, 200px);
  letter-spacing: 4px;
  color: transparent;
  -webkit-text-stroke: 1px var(--text-faint);
  pointer-events: none;
  user-select: none;
}

.cta-inner { max-width: 720px; }

.cta-inner h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 6vw, 96px);
  letter-spacing: 2px;
  line-height: 0.95;
  margin-bottom: 28px;
}

.cta-inner h2 .accent { color: var(--accent); }

.cta-inner p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 48px;
  max-width: 500px;
}

.cta-form {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 480px;
}

.cta-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}

.cta-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.cta-input::placeholder { color: var(--text-muted); }
.cta-input:focus { border-color: var(--border-strong); }

.cta-submit {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--accent);
  color: #000;
  border: none;
  padding: 16px 36px;
  cursor: pointer;
  font-weight: 500;
  align-self: flex-start;
  transition: opacity 0.2s;
}

.cta-submit:hover { opacity: 0.85; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative; z-index: 1;
}

.footer-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 3px;
  color: var(--text);
  line-height: 1;
}

.footer-logo .logo-dmaic { color: var(--accent); }

.footer-copy {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-muted);
}

.footer-links {
  display: flex; gap: 28px; list-style: none;
}

.footer-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ── DIVIDER ── */
.divider {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 20px;
}

.divider-line {
  flex: 1; height: 1px; background: var(--border);
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ── RESPONSIVE ── */

/* Large screens */
@media (min-width: 1400px) {
  nav { padding: 0 80px; }
  #hero { padding: 0 80px 100px; }
  .hero-stats { right: 80px; bottom: 100px; }
  .hero-number { right: 80px; }
  #dmaic, #services, #industries, #contact { padding: 140px 80px; }
  footer { padding: 40px 80px; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Tablet landscape */
@media (max-width: 1024px) {
  nav { padding: 0 36px; }
  .nav-links { gap: 24px; }

  #hero { padding: 0 36px 80px; }
  .hero-number { font-size: 18vw; right: 36px; top: 100px; opacity: 0.6; }
  .hero-stats { right: 36px; bottom: 80px; gap: 20px; }
  .hero-stat-num { font-size: 28px; }

  #dmaic, #services, #industries, #contact { padding: 80px 36px; }
  footer { padding: 28px 36px; }

  .dmaic-letter { font-size: 42px; }
  .dmaic-desc { font-size: 12px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }

  .industries-layout { grid-template-columns: 1fr; gap: 48px; }
  .industries-left { max-width: 480px; }

  .cta-row { grid-template-columns: 1fr; }
}

/* Tablet portrait */
@media (max-width: 768px) {
  nav { padding: 0 24px; height: 60px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }

  #hero {
    padding: 80px 24px 80px;
    min-height: 100svh;
    justify-content: flex-end;
  }
  .hero-number {
    font-size: clamp(100px, 28vw, 200px);
    right: 16px; top: 80px;
    opacity: 0.35;
    letter-spacing: -4px;
  }
  .hero-stats {
    position: static;
    flex-direction: row;
    justify-content: flex-start;
    gap: 32px;
    margin-top: 40px;
    text-align: left;
  }
  .hero-stat-num { font-size: 26px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .btn-primary, .btn-ghost { width: 100%; text-align: center; padding: 14px 24px; }

  #dmaic { padding: 64px 24px; }
  .dmaic-header { flex-direction: column; gap: 16px; align-items: flex-start; }
  .dmaic-header p { text-align: left; max-width: 100%; }
  .dmaic-track { flex-direction: column; gap: 0; }
  .dmaic-track::before {
    top: 0; bottom: 0; left: 5px; right: auto;
    width: 1px; height: auto;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 60%, transparent 100%);
  }
  .dmaic-step { padding: 0 0 40px 52px; display: flex; flex-direction: column; }
  .dmaic-dot { position: absolute; left: 0; top: 0; margin-bottom: 0; }
  .dmaic-letter { font-size: 40px; margin-top: 0; }
  .dmaic-desc { max-width: 100%; }

  #services { padding: 64px 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 32px 24px; }

  #industries { padding: 64px 24px; }
  .industries-layout { gap: 40px; }
  .industries-list { grid-template-columns: 1fr; }

  #contact { padding: 64px 24px; }
  .cta-form { max-width: 100%; }
  .cta-row { grid-template-columns: 1fr; }

  footer {
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 20px; }
}

/* Mobile */
@media (max-width: 480px) {
  .hero-tagline { font-size: 9px; letter-spacing: 2px; }
  .hero-sub { font-size: 14px; }
  .section-label { font-size: 9px; }
  .dmaic-header h2 { font-size: 36px; }
  .service-title { font-size: 18px; }
  .industries-left h2 { font-size: 36px; }
  .cta-inner h2 { font-size: clamp(36px, 10vw, 56px); }
}