/* ═══════════════════════════════════════════
   TechWise Engineering — Shared Stylesheet
   Design · Build · Fabricate
═══════════════════════════════════════════ */

:root {
  --forge:   #0A0D12;
  --slate:   #141C28;
  --plate:   #1A2640;
  --steel:   #243350;
  --copper:  #B87333;
  --amber:   #E8A84C;
  --gold:    #F0C060;
  --cold:    #6B7A8D;
  --mist:    #9AAAB8;
  --white:   #EEF2F6;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--forge);
  color: var(--white);
  font-family: 'Barlow', sans-serif;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ─── Blueprint grid bg ─────────────────── */
.blueprint-grid {
  background-image:
    linear-gradient(rgba(184,115,51,.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,115,51,.065) 1px, transparent 1px),
    linear-gradient(rgba(184,115,51,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,115,51,.025) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
}

/* ─── Typography helpers ────────────────── */
.copper-text {
  background: linear-gradient(130deg, #8B5E2E 0%, #E8A84C 38%, #F0C060 52%, #E8A84C 66%, #B87333 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Buttons ───────────────────────────── */
.btn-copper {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
  color: #0A0D12; text-decoration: none;
  background: linear-gradient(130deg, var(--copper), var(--amber));
  padding: 13px 32px;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: opacity .25s, transform .25s cubic-bezier(.34,1.56,.64,1);
  box-shadow: 0 6px 24px rgba(184,115,51,.3);
  border: none; cursor: pointer;
}
.btn-copper:hover  { opacity: .9; transform: translateY(-2px); }
.btn-copper:active { transform: translateY(0); }
.btn-copper:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
  color: var(--mist); text-decoration: none;
  border: 1px solid rgba(107,122,141,.35); padding: 13px 32px;
  transition: color .25s, border-color .25s, transform .25s cubic-bezier(.34,1.56,.64,1);
}
.btn-ghost:hover  { color: var(--white); border-color: var(--copper); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0); }
.btn-ghost:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }

/* ─── Navigation ────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  transition: background .4s, padding .4s;
}
#navbar.scrolled {
  background: rgba(10,13,18,.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(184,115,51,.18);
  box-shadow: 0 4px 48px rgba(0,0,0,.5);
}
#navbar.solid {
  background: rgba(10,13,18,.98);
  border-bottom: 1px solid rgba(184,115,51,.18);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1440px; margin: 0 auto; padding: 22px 48px;
  transition: padding .4s;
}
#navbar.scrolled .nav-inner { padding: 14px 48px; }
#navbar.solid    .nav-inner { padding: 14px 48px; }

.nav-logo img { height: 144px; width: auto; display: block; transition: height .4s; filter: brightness(1.8) contrast(1.1) drop-shadow(0 0 8px rgba(255,255,255,0.15)); }
#navbar.scrolled .nav-logo img,
#navbar.solid    .nav-logo img { height: 112px; }

.nav-links { display: flex; align-items: center; gap: 40px; list-style: none; }
.nav-links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px; font-weight: 500; letter-spacing: .15em; text-transform: uppercase;
  color: var(--mist); text-decoration: none; position: relative;
  transition: color .25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 1px;
  background: var(--copper); transform: scaleX(0); transform-origin: left;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a:focus-visible { outline: 2px solid var(--copper); outline-offset: 4px; border-radius: 2px; }

/* ─── Section base ──────────────────────── */
.section { padding: 120px 0; }
.section-inner { max-width: 1440px; margin: 0 auto; padding: 0 48px; }
.section-hd { margin-bottom: 72px; }

.section-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px; font-weight: 500; letter-spacing: .3em; text-transform: uppercase;
  color: var(--copper); margin-bottom: 14px;
  display: flex; align-items: center; gap: 14px;
}
.section-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--copper); }

.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(52px, 6vw, 96px); line-height: .90; letter-spacing: .02em;
  color: var(--white); margin-bottom: 22px;
}
.section-intro {
  font-size: 17px; font-weight: 300; line-height: 1.75;
  color: var(--mist); max-width: 540px;
}

/* ─── Page Banner (interior pages) ─────── */
.page-banner {
  padding: 180px 0 80px; position: relative; overflow: hidden;
  background: var(--slate);
}
.page-banner::after {
  content: attr(data-title);
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-family: 'Bebas Neue', sans-serif; font-size: 220px; line-height: 1;
  color: rgba(184,115,51,.04); letter-spacing: .02em;
  pointer-events: none; user-select: none; white-space: nowrap;
  padding-right: 40px;
}
.page-banner-inner {
  max-width: 1440px; margin: 0 auto; padding: 0 48px; position: relative; z-index: 1;
}
.page-banner-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(64px, 9vw, 136px); line-height: .88; letter-spacing: .02em;
  color: var(--white);
}
.page-banner-sub {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 13px; font-weight: 400; letter-spacing: .4em; text-transform: uppercase;
  color: var(--cold); margin-top: 18px;
}
/* Blueprint grid lines on banner */
.page-banner .banner-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(184,115,51,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,115,51,.05) 1px, transparent 1px);
  background-size: 80px 80px;
}
.page-banner-accent {
  width: 56px; height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--amber));
  margin-top: 28px;
}

/* ─── Stats Strip ───────────────────────── */
.stats-strip {
  background: var(--plate);
  border-top: 1px solid rgba(184,115,51,.22);
  border-bottom: 1px solid rgba(184,115,51,.22);
  position: relative; overflow: hidden;
}
.stats-strip::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--copper) 30%, var(--amber) 50%, var(--copper) 70%, transparent 100%);
  opacity: .5;
}
.stats-inner {
  display: grid; grid-template-columns: repeat(3, 1fr);
  max-width: 900px; margin: 0 auto; padding: 0 48px;
}
.stat-item {
  padding: 44px 36px; border-right: 1px solid rgba(184,115,51,.10);
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: 'Bebas Neue', sans-serif; font-size: 68px; line-height: 1;
  background: linear-gradient(130deg, #B87333, #E8A84C, #F0C060);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-unit {
  font-family: 'Bebas Neue', sans-serif; font-size: 36px;
  color: var(--copper); -webkit-text-fill-color: var(--copper);
}
.stat-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase;
  color: var(--cold); margin-top: 6px;
}

/* ─── Services Grid ─────────────────────── */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; background: rgba(184,115,51,.08);
}
.svc-card {
  background: var(--slate); padding: 48px 40px;
  position: relative; overflow: hidden;
  transition: background .35s;
}
.svc-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--amber));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.svc-card:hover { background: var(--plate); }
.svc-card:hover::before { transform: scaleX(1); }
.svc-ghost {
  position: absolute; top: 20px; right: 20px;
  font-family: 'Bebas Neue', sans-serif; font-size: 80px; line-height: 1;
  color: rgba(184,115,51,.06); pointer-events: none; user-select: none;
}
.svc-icon { width: 52px; height: 52px; color: var(--copper); margin-bottom: 26px; }
.svc-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--white); margin-bottom: 14px;
}
.svc-desc { font-size: 14px; font-weight: 300; line-height: 1.72; color: var(--cold); }
.svc-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 20px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--copper); text-decoration: none;
  transition: gap .25s, color .25s;
}
.svc-link:hover { gap: 14px; color: var(--amber); }

/* ─── Process Track ─────────────────────── */
.process-track {
  display: grid; grid-template-columns: repeat(4, 1fr);
  position: relative;
}
.process-track::before {
  content: ''; position: absolute; top: 39px; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(184,115,51,.5), var(--amber), rgba(184,115,51,.5), transparent);
  z-index: 0;
}
.process-step {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 0 28px; position: relative; z-index: 1;
}
.process-node {
  width: 78px; height: 78px;
  background: var(--slate); border: 2px solid var(--copper);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 32px;
  clip-path: polygon(14px 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}
.process-node-num {
  font-family: 'Bebas Neue', sans-serif; font-size: 30px;
  background: linear-gradient(130deg, var(--copper), var(--amber));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.process-step-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--white); margin-bottom: 12px;
}
.process-step-desc { font-size: 14px; font-weight: 300; line-height: 1.7; color: var(--cold); }

/* ─── Project Cards ─────────────────────── */
.proj-card { position: relative; overflow: hidden; background: var(--plate); cursor: pointer; }
.proj-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #141C28 0%, #1A2640 50%, #0A0D12 100%);
  overflow: hidden; transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.proj-bg::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(184,115,51,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,115,51,.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
.proj-bg::after {
  content: attr(data-label);
  position: absolute; bottom: -10px; right: -10px;
  font-family: 'Bebas Neue', sans-serif; font-size: 140px; line-height: 1;
  color: rgba(184,115,51,.05); pointer-events: none; white-space: nowrap;
}
.proj-card:hover .proj-bg { transform: scale(1.015); }
.proj-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,13,18,.95) 0%, rgba(10,13,18,.45) 50%, transparent 100%);
  transition: background .4s;
}
.proj-card:hover .proj-overlay {
  background: linear-gradient(to top, rgba(10,13,18,.98) 0%, rgba(10,13,18,.6) 60%, rgba(10,13,18,.1) 100%);
}
.proj-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px 32px; }
.proj-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px; font-weight: 500; letter-spacing: .25em; text-transform: uppercase;
  color: var(--copper); margin-bottom: 6px;
}
.proj-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--white);
}

/* ─── About ─────────────────────────────── */
.about-img-placeholder {
  width: 100%; aspect-ratio: 4/5;
  background: linear-gradient(145deg, #141C28 0%, #1A2640 40%, #243350 70%, #0A0D12 100%);
  position: relative; overflow: hidden;
}
.about-img-photo {
  position: absolute; inset: 0;
  background: url('Brand_assets/Job-site.jpg') center 60%/cover no-repeat;
  opacity: 0.30;
  mix-blend-mode: luminosity;
}
.about-img-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(184,115,51,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,115,51,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.about-img-placeholder::after {
  content: 'TWE';
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-family: 'Bebas Neue', sans-serif; font-size: 160px; letter-spacing: .05em;
  background: linear-gradient(130deg, rgba(184,115,51,.15), rgba(232,168,76,.08));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.about-frame {
  position: absolute; bottom: -24px; right: -24px;
  width: 58%; height: 55%;
  border: 1.5px solid rgba(184,115,51,.25); pointer-events: none;
}
.about-badge {
  position: absolute; bottom: 48px; left: -48px;
  background: var(--plate); border: 1px solid rgba(184,115,51,.3);
  padding: 28px 32px; text-align: center;
  box-shadow: 0 24px 64px rgba(0,0,0,.55);
}
.about-badge-num {
  font-family: 'Bebas Neue', sans-serif; font-size: 60px; line-height: 1;
  background: linear-gradient(130deg, var(--copper), var(--amber));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.about-badge-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px; font-weight: 500; letter-spacing: .22em; text-transform: uppercase;
  color: var(--cold); margin-top: 6px; line-height: 1.4;
}
.about-body { font-size: 16px; font-weight: 300; line-height: 1.8; color: var(--mist); margin-bottom: 18px; }
.about-list { list-style: none; margin: 30px 0 40px; }
.about-list li {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 14px; font-weight: 500; letter-spacing: .07em; text-transform: uppercase;
  color: var(--mist); padding: 13px 0;
  border-bottom: 1px solid rgba(107,122,141,.12);
  display: flex; align-items: center; gap: 14px;
}
.about-list li::before {
  content: ''; width: 6px; height: 6px;
  background: var(--copper); transform: rotate(45deg); flex-shrink: 0;
}

/* ─── Contact Form ──────────────────────── */
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px; font-weight: 500; letter-spacing: .22em; text-transform: uppercase;
  color: var(--cold);
}
.form-field input,
.form-field textarea,
.form-field select {
  background: rgba(10,13,18,.6);
  border: 1px solid rgba(107,122,141,.18);
  color: var(--white);
  font-family: 'Barlow', sans-serif; font-size: 15px; font-weight: 300;
  padding: 14px 18px; outline: none;
  transition: border-color .25s, box-shadow .25s;
  -webkit-appearance: none; appearance: none;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: rgba(154,170,184,.4); }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: rgba(184,115,51,.55);
  box-shadow: 0 0 0 3px rgba(184,115,51,.07);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field select option { background: #1A2640; color: var(--white); }

.contact-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: rgba(184,115,51,.08); border: 1px solid rgba(184,115,51,.2);
  display: flex; align-items: center; justify-content: center; color: var(--copper);
}
.contact-detail { display: flex; gap: 20px; margin-bottom: 32px; align-items: flex-start; }
.detail-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px; font-weight: 500; letter-spacing: .22em; text-transform: uppercase;
  color: var(--cold); margin-bottom: 4px;
}
.detail-value { font-size: 15px; font-weight: 300; color: var(--white); line-height: 1.6; }
.certs-box {
  padding: 28px; background: rgba(10,13,18,.5); border: 1px solid rgba(184,115,51,.14);
}
.certs-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px; font-weight: 500; letter-spacing: .25em; text-transform: uppercase;
  color: var(--cold); margin-bottom: 16px;
}
.cert-item {
  font-family: 'Barlow Condensed', sans-serif; font-size: 13px; color: var(--mist);
  padding: 9px 0; border-bottom: 1px solid rgba(107,122,141,.08);
  display: flex; align-items: center; gap: 12px;
}
.cert-item:last-child { border-bottom: none; }
.cert-item::before {
  content: ''; width: 5px; height: 5px;
  background: var(--copper); transform: rotate(45deg); flex-shrink: 0;
}

/* ─── CTA Section ───────────────────────── */
.cta-section {
  background: var(--plate); position: relative; overflow: hidden;
  padding: 96px 0; text-align: center;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(184,115,51,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,115,51,.04) 1px, transparent 1px);
  background-size: 80px 80px; pointer-events: none;
}
.cta-inner { max-width: 800px; margin: 0 auto; padding: 0 48px; position: relative; z-index: 1; }
.cta-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 6vw, 88px); line-height: .9; letter-spacing: .02em;
  color: var(--white); margin-bottom: 20px;
}
.cta-body { font-size: 17px; font-weight: 300; color: var(--mist); margin-bottom: 40px; line-height: 1.7; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── Footer ────────────────────────────── */
footer {
  background: var(--forge);
  border-top: 1px solid rgba(184,115,51,.14);
  padding: 72px 0 32px;
}
.footer-inner { max-width: 1440px; margin: 0 auto; padding: 0 48px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px; margin-bottom: 56px;
}
.footer-logo { height: 64px; width: auto; }
.footer-brand-desc {
  font-size: 14px; font-weight: 300; line-height: 1.75;
  color: var(--cold); margin-top: 20px; max-width: 280px;
}
.footer-col-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase;
  color: var(--white); margin-bottom: 22px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-links a { font-size: 14px; font-weight: 300; color: var(--cold); text-decoration: none; transition: color .25s; }
.footer-links a:hover { color: var(--amber); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-top: 28px; border-top: 1px solid rgba(107,122,141,.08);
}
.footer-copy { font-size: 13px; font-weight: 300; color: var(--cold); }
.footer-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px; font-weight: 500; letter-spacing: .35em; text-transform: uppercase;
  color: rgba(184,115,51,.45);
}

/* ─── Scroll reveal ─────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; animation: fadeUp .9s cubic-bezier(.16,1,.3,1) forwards; }
.d1 { animation-delay: .1s; } .d2 { animation-delay: .25s; }
.d3 { animation-delay: .4s; } .d4 { animation-delay: .55s; } .d5 { animation-delay: .7s; }

.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .75s cubic-bezier(.16,1,.3,1), transform .75s cubic-bezier(.16,1,.3,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ─── Scroll hint ───────────────────────── */
.scroll-hint {
  position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px; font-weight: 500; letter-spacing: .25em; text-transform: uppercase;
  color: var(--cold);
}
.scroll-line {
  width: 1px; height: 52px;
  background: linear-gradient(to bottom, var(--copper), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .25; transform: scaleY(.6); transform-origin: top; }
  50%      { opacity: 1;   transform: scaleY(1);  transform-origin: top; }
}

/* ─── Divider ───────────────────────────── */
.copper-divider {
  width: 56px; height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--amber));
}

/* ─── Hamburger button ───────────────────── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 201;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--mist);
  border-radius: 2px;
  transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .3s, background .25s;
}
.nav-burger:hover span { background: var(--white); }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Responsive ────────────────────────── */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-track { grid-template-columns: repeat(2, 1fr); gap: 48px; }
  .process-track::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav-burger { display: flex; }
  .nav-inner > .btn-copper { display: none; }
  .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(10,13,18,.97);
    backdrop-filter: blur(20px);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    padding: 0 32px;
    transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .35s;
    border-bottom: 1px solid rgba(184,115,51,.18);
  }
  .nav-links li { border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-links a { display: block; padding: 16px 0; font-size: 17px; letter-spacing: .12em; }
  #navbar.nav-open .nav-links { max-height: 400px; padding: 8px 32px 28px; }
  .nav-inner { padding: 16px 24px; }
  .section-inner { padding: 0 24px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); padding: 0 24px; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(184,115,51,.08); padding: 32px 20px; }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(184,115,51,.08); }
  .services-grid { grid-template-columns: 1fr; }
  .process-track { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-badge { position: static; margin-top: 32px; display: inline-block; }
  .page-banner-inner { padding: 0 24px; }
  .cta-inner { padding: 0 24px; }
  .footer-inner { padding: 0 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}