/* ================= RESET & BASE ================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  background: #050a18;
  color: #d8e1f5;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  --amber: #ffb347;
  --blue: #6ec1ff;
  --deep: #0a1428;
  --panel: rgba(18, 28, 52, 0.6);
  --line: rgba(110, 193, 255, 0.12);
  --text: #d8e1f5;
  --muted: #8893b5;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .3s; }
a:hover { color: var(--amber); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.section { padding: 140px 0; position: relative; }
.section-head { max-width: 820px; margin: 0 auto 80px; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.1; letter-spacing: -0.02em; margin: 16px 0 24px; color: #fff; }
.section-head p.section-lead { color: var(--muted); font-size: 1.1rem; max-width: 720px; margin: 0 auto; }
.eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 40px;
  background: rgba(255, 179, 71, 0.06);
}
h1, h2, h3 { color: #fff; font-weight: 600; letter-spacing: -0.02em; }

/* ================= PROGRESS ================= */
.progress-bar {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0;
  background: linear-gradient(90deg, var(--amber), var(--blue));
  z-index: 1000;
  transition: width .1s linear;
  box-shadow: 0 0 12px var(--amber);
}

/* ================= NAV ================= */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  padding: 20px 0; z-index: 99;
  transition: all .4s ease;
  backdrop-filter: blur(0px);
}
.site-nav.scrolled {
  padding: 14px 0;
  background: rgba(5, 10, 24, 0.75);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-container {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand-mark { width: 40px; height: 40px; }
.brand-text { font-weight: 600; font-size: 1.25rem; letter-spacing: -0.01em; }
.brand .accent { color: var(--amber); }
.primary-nav { display: flex; gap: 36px; align-items: center; }
.primary-nav a { color: var(--text); font-size: .95rem; position: relative; }
.primary-nav a::after {
  content: ''; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; background: var(--amber);
  transition: width .3s ease;
}
.primary-nav a:hover::after { width: 100%; }
.cta-nav {
  padding: 10px 22px !important;
  border: 1px solid var(--line);
  border-radius: 40px;
  background: rgba(255, 179, 71, 0.08);
  color: var(--amber) !important;
}
.cta-nav:hover { background: rgba(255, 179, 71, 0.18); }
.menu-toggle { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; gap: 6px; align-items: center; }
.menu-toggle span { width: 24px; height: 2px; background: #fff; transition: all .3s; }
.mobile-menu {
  position: fixed; top: 80px; left: 0; right: 0;
  background: rgba(5, 10, 24, 0.95);
  backdrop-filter: blur(20px);
  padding: 32px; z-index: 98;
  display: flex; flex-direction: column; gap: 20px;
  transform: translateY(-150%); transition: transform .4s ease;
  border-bottom: 1px solid var(--line);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a { color: #fff; font-size: 1.1rem; }

/* ================= HERO ================= */
.hero {
  min-height: 100vh; position: relative;
  display: flex; align-items: center;
  padding: 120px 32px 80px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(110, 193, 255, 0.15), transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(255, 179, 71, 0.12), transparent 50%),
    #050a18;
}
#heroCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  transform: perspective(800px) rotateX(45deg) translateY(30%);
  transform-origin: center bottom;
  z-index: 1;
  opacity: 0.4;
}
.hero-inner { max-width: 1280px; margin: 0 auto; width: 100%; position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 40px;
  background: rgba(255, 179, 71, 0.05);
  font-family: 'JetBrains Mono', monospace;
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: 32px;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
  animation: pulse 2s ease-in-out infinite;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  line-height: 1.02;
  font-weight: 600;
  margin-bottom: 32px;
  letter-spacing: -0.03em;
}
.gradient-text {
  background: linear-gradient(135deg, var(--amber) 0%, #ff7e5f 40%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; margin-bottom: 60px; flex-wrap: wrap; }
.btn {
  padding: 16px 32px; border-radius: 50px;
  font-weight: 500; font-size: 1rem;
  display: inline-flex; align-items: center; gap: 10px;
  transition: all .3s cubic-bezier(.2,.8,.2,1);
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--amber), #ff7e5f);
  color: #0a1428;
  box-shadow: 0 12px 40px -10px rgba(255, 179, 71, 0.5);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 50px -10px rgba(255, 179, 71, 0.7);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn-full { width: 100%; justify-content: center; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 720px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(20px);
}
.stat-num { font-size: 2.5rem; font-weight: 600; color: #fff; }
.stat-plus { color: var(--amber); font-size: 2rem; }
.stat-label { display: block; font-size: .8rem; color: var(--muted); margin-top: 6px; letter-spacing: 0.05em; }

.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--muted); font-size: .8rem;
  font-family: 'JetBrains Mono', monospace;
  z-index: 3;
}
.hero-scroll svg { width: 20px; animation: bounce 2s infinite; }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

/* ================= INTRO (moving layers) ================= */
.intro { position: relative; overflow: hidden; }
.layer-layer {
  position: absolute; inset: 0;
  background-size: cover;
  pointer-events: none;
}
.layer-a {
  background: radial-gradient(circle at 30% 40%, rgba(110, 193, 255, 0.08), transparent 60%);
  animation: drift 20s ease-in-out infinite;
}
.layer-b {
  background: radial-gradient(circle at 70% 60%, rgba(255, 179, 71, 0.06), transparent 60%);
  animation: drift 25s ease-in-out infinite reverse;
}
@keyframes drift {
  0%,100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.05); }
}
.intro-grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; align-items: center;
}
.intro-text .lead {
  font-size: 1.2rem; color: #fff;
  margin-bottom: 20px;
  font-weight: 400;
}
.intro-text p { margin-bottom: 20px; color: var(--text); }
.intro-text a { color: var(--amber); border-bottom: 1px dashed var(--amber); padding-bottom: 2px; }
.intro-text a:hover { color: var(--blue); border-color: var(--blue); }

.blueprint-card {
  position: relative;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(rgba(110, 193, 255, 0.04), rgba(110, 193, 255, 0.02)),
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(110, 193, 255, 0.08) 39px, rgba(110, 193, 255, 0.08) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(110, 193, 255, 0.08) 39px, rgba(110, 193, 255, 0.08) 40px);
  overflow: hidden;
}
.blueprint-layer {
  position: absolute;
  transition: all .8s ease;
}
.bp-wall {
  inset: 20% 10% 10% 10%;
  border: 2px solid var(--blue);
  opacity: 0.7;
}
.bp-joist {
  left: 15%; right: 15%; top: 25%; height: 4px;
  background: repeating-linear-gradient(90deg, var(--amber), var(--amber) 20px, transparent 20px, transparent 28px);
  box-shadow: 0 30px 0 0 rgba(255, 179, 71, 0.5);
}
.bp-pipe {
  left: 30%; top: 35%; bottom: 30%; width: 6px;
  background: linear-gradient(180deg, var(--blue), transparent);
  border-radius: 3px;
  box-shadow: 0 0 20px var(--blue);
}
.bp-wire {
  left: 55%; top: 25%; bottom: 25%; width: 2px;
  background: linear-gradient(180deg, transparent, var(--amber), transparent);
}
.blueprint-card:hover .bp-wall { transform: scale(1.05); opacity: 1; }
.blueprint-card:hover .bp-joist { transform: translateX(10px); }
.blueprint-card:hover .bp-pipe { box-shadow: 0 0 40px var(--blue); }
.blueprint-label {
  position: absolute; bottom: 16px; left: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem; color: var(--amber);
  letter-spacing: 0.1em;
}

/* ================= CREDENTIALS (morph) ================= */
.credentials {
  background: linear-gradient(180deg, #050a18 0%, #0a1428 100%);
}
.morph-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.cred-card {
  padding: 40px 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  position: relative;
  overflow: hidden;
  transition: all .5s cubic-bezier(.2,.8,.2,1);
}
.cred-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 179, 71, 0.15), transparent 40%);
  opacity: 0;
  transition: opacity .4s;
}
.cred-card:hover::before { opacity: 1; }
.cred-card:hover { transform: translateY(-6px); border-color: rgba(255, 179, 71, 0.3); }
.cred-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 179, 71, 0.15), rgba(110, 193, 255, 0.1));
  display: flex; align-items: center; justify-content: center;
  color: var(--amber);
  margin-bottom: 24px;
  position: relative; z-index: 1;
}
.cred-icon svg { width: 28px; height: 28px; }
.cred-card h3 { font-size: 1.35rem; margin-bottom: 12px; position: relative; z-index: 1; }
.cred-card p { color: var(--muted); position: relative; z-index: 1; }
.cred-cta { text-align: center; margin-top: 60px; max-width: 720px; margin-left: auto; margin-right: auto; color: var(--text); font-size: 1.1rem; }
.cred-cta a { color: var(--amber); border-bottom: 1px dashed var(--amber); }
.cred-cta a:hover { color: var(--blue); border-color: var(--blue); }

/* ================= SERVICES (3D tilt) ================= */
.services {
  background:
    radial-gradient(ellipse at 80% 20%, rgba(255, 179, 71, 0.06), transparent 50%),
    #050a18;
}
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
  padding: 40px 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(18, 28, 52, 0.8), rgba(10, 20, 40, 0.6));
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform .4s cubic-bezier(.2,.8,.2,1), border-color .3s;
}
.service-card:hover { border-color: rgba(110, 193, 255, 0.4); }
.service-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  margin-bottom: 24px;
  position: relative;
}
.service-icon.thermal {
  background: conic-gradient(from 0deg, #2e1f5e, #c4347a, #ffb347, #6ec1ff, #2e1f5e);
  box-shadow: 0 0 30px rgba(255, 179, 71, 0.3);
  animation: thermal 6s linear infinite;
}
.service-icon.grid {
  background:
    repeating-linear-gradient(0deg, rgba(110, 193, 255, 0.4), rgba(110, 193, 255, 0.4) 1px, transparent 1px, transparent 10px),
    repeating-linear-gradient(90deg, rgba(110, 193, 255, 0.4), rgba(110, 193, 255, 0.4) 1px, transparent 1px, transparent 10px),
    rgba(110, 193, 255, 0.08);
}
.service-icon.flow {
  background: linear-gradient(135deg, #1a4a7a, #6ec1ff);
  box-shadow: inset 0 0 20px rgba(255,255,255,0.2);
}
.service-icon.flow::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
  animation: flow 3s linear infinite;
}
.service-icon.circuit {
  background: #0a1428;
  background-image:
    linear-gradient(90deg, transparent 48%, var(--amber) 48%, var(--amber) 52%, transparent 52%),
    linear-gradient(0deg, transparent 48%, var(--amber) 48%, var(--amber) 52%, transparent 52%);
  background-size: 20px 20px;
  border: 1px solid var(--amber);
}
.service-icon.heat {
  background: radial-gradient(circle at 30% 30%, #ff7e5f, #c4347a 70%);
  box-shadow: 0 0 30px rgba(255, 126, 95, 0.4);
  animation: heat 4s ease-in-out infinite;
}
.service-icon.envelope {
  background:
    linear-gradient(135deg, rgba(110, 193, 255, 0.2), rgba(255, 179, 71, 0.1)),
    repeating-linear-gradient(135deg, transparent, transparent 8px, rgba(255,255,255,0.05) 8px, rgba(255,255,255,0.05) 16px);
  border: 1px solid var(--line);
}
.service-card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: .95rem; }

@keyframes thermal { to { transform: rotate(360deg); } }
@keyframes flow { to { transform: translateX(100%); } }
@keyframes heat { 0%,100% { box-shadow: 0 0 30px rgba(255, 126, 95, 0.4); } 50% { box-shadow: 0 0 50px rgba(255, 126, 95, 0.7); } }

/* ================= PROCESS ================= */
.process { background: #050a18; }
.process-timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 60px;
}
.process-timeline::before {
  content: '';
  position: absolute;
  left: 24px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--amber), var(--blue), transparent);
}
.process-step {
  position: relative;
  padding: 32px 36px;
  margin-bottom: 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  transition: all .5s ease;
}
.process-step:hover { border-color: rgba(255, 179, 71, 0.3); transform: translateX(8px); }
.step-marker {
  position: absolute;
  left: -60px; top: 32px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: #0a1428;
  border: 2px solid var(--amber);
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  color: var(--amber);
  font-weight: 600;
}
.step-pulse {
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  opacity: 0;
  animation: step-pulse 3s ease-out infinite;
}
@keyframes step-pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
.process-step h3 { font-size: 1.4rem; margin-bottom: 10px; }
.process-step p { color: var(--muted); }

/* ================= BENEFITS (floating) ================= */
.benefits {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(110, 193, 255, 0.08), transparent 60%),
    #050a18;
}
.benefits-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.benefit-card {
  padding: 36px 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  transition: transform .4s;
}
.benefit-card:hover { transform: translateY(-10px); border-color: rgba(110, 193, 255, 0.3); }
.float-1 { animation: float-a 6s ease-in-out infinite; }
.float-2 { animation: float-b 7s ease-in-out infinite; }
.float-3 { animation: float-c 8s ease-in-out infinite; }
.float-4 { animation: float-d 9s ease-in-out infinite; }
@keyframes float-a { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes float-b { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes float-c { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
@keyframes float-d { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.benefit-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(110, 193, 255, 0.15), rgba(255, 179, 71, 0.1));
  display: flex; align-items: center; justify-content: center;
  color: var(--amber);
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.benefit-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.benefit-card p { color: var(--muted); font-size: .92rem; }

/* ================= EXPERIENCE (timeline) ================= */
.experience {
  background: linear-gradient(180deg, #050a18, #0a1428);
}
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--amber), var(--blue), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  position: relative;
  transition: all .5s ease;
}
.timeline-item:hover { border-color: rgba(255, 179, 71, 0.3); transform: translateY(-4px); }
.timeline-item:nth-child(odd) { margin-top: 40px; }
.timeline-item:nth-child(even) { margin-top: -40px; }
.tl-badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--amber);
  border-radius: 20px;
  color: var(--amber);
  font-family: 'JetBrains Mono', monospace;
  font-size: .8rem;
  margin-bottom: 14px;
}
.timeline-item h3 { font-size: 1.2rem; margin-bottom: 10px; }
.timeline-item p { color: var(--muted); font-size: .95rem; }

/* ================= FAQ ================= */
.faq { background: #050a18; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color .3s;
}
.faq-item[open] { border-color: rgba(255, 179, 71, 0.3); }
.faq-item summary {
  padding: 24px 28px;
  display: flex; align-items: center; gap: 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  color: #fff;
  font-size: 1.05rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.q-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255, 179, 71, 0.1);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber);
  font-weight: 600;
  font-size: 1.2rem;
  transition: transform .4s;
  flex-shrink: 0;
}
.faq-item[open] .q-icon { transform: rotate(45deg); background: var(--amber); color: #0a1428; }
.answer { padding: 0 28px 28px 76px; color: var(--muted); }
.answer p { line-height: 1.75; }

/* ================= CTA ================= */
.cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #050a18, #0a1428);
}
.cta-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(255, 179, 71, 0.15), transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(110, 193, 255, 0.12), transparent 50%);
  animation: drift 18s ease-in-out infinite;
}
.cta-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  position: relative; z-index: 1;
}
.cta-copy .eyebrow { margin-bottom: 20px; }
.cta-copy h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 24px; }
.cta-copy p { color: var(--muted); margin-bottom: 40px; font-size: 1.05rem; }
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.contact-list li { display: flex; gap: 16px; align-items: center; }
.contact-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  width: 70px;
}
.contact-list a, .contact-list span { color: #fff; }
.social-row { display: flex; gap: 16px; }

.cta-form {
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  backdrop-filter: blur(24px);
}
.cta-form h3 { font-size: 1.5rem; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cta-form label { display: block; margin-bottom: 16px; }
.cta-form label > span,
.cta-form label::before {
  display: block;
  font-size: .75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  font-family: 'JetBrains Mono', monospace;
}
.cta-form label span { display: block; margin-bottom: 8px; font-size: .75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); font-family: 'JetBrains Mono', monospace; }
.cta-form input, .cta-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(5, 10, 24, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #fff;
  transition: border-color .3s, background .3s;
}
.cta-form input:focus, .cta-form textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: rgba(5, 10, 24, 0.9);
}
.cta-form textarea { resize: vertical; min-height: 110px; }
.form-note { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 16px; }

/* ================= FOOTER ================= */
.site-footer {
  padding: 80px 0 40px;
  background: #030611;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.footer-ambient {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(110, 193, 255, 0.08), transparent 60%);
  animation: drift 30s ease-in-out infinite;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  position: relative; z-index: 1;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.footer-brand p { color: var(--muted); margin-top: 20px; font-size: .95rem; max-width: 320px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { font-size: .85rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--amber); margin-bottom: 8px; font-family: 'JetBrains Mono', monospace; }
.footer-col a, .footer-col span { color: var(--muted); font-size: .95rem; }
.footer-col a:hover { color: var(--amber); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 30px;
  font-size: .85rem;
  color: var(--muted);
  position: relative; z-index: 1;
  flex-wrap: wrap; gap: 12px;
}

/* ================= BACK TO TOP ================= */
.back-to-top {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber);
  opacity: 0; pointer-events: none;
  transition: all .3s;
  z-index: 90;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--amber); color: #0a1428; transform: translateY(-4px); }
.back-to-top svg { width: 20px; }

/* ================= REVEAL ================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .morph-grid { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr; gap: 60px; }
  .cta-grid { grid-template-columns: 1fr; gap: 60px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .timeline::before { left: 24px; }
  .timeline { grid-template-columns: 1fr; padding-left: 50px; }
  .timeline-item { margin-top: 0 !important; }
}
@media (max-width: 720px) {
  .section { padding: 100px 0; }
  .primary-nav { display: none; }
  .menu-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-stats { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .cta-form { padding: 28px; }
  .process-timeline { padding-left: 48px; }
  .step-marker { left: -48px; width: 40px; height: 40px; font-size: .85rem; }
  .hero-scroll { display: none; }
  .container { padding: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* Focus states */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 6px;
}