/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080808;
  --bg-alt: #111111;
  --ember: #FF6B35;
  --ember-dim: rgba(255, 107, 53, 0.15);
  --ember-glow: rgba(255, 107, 53, 0.08);
  --white-hot: #FFF5EE;
  --steel: #8A8A8A;
  --steel-light: #B5B5B5;
  --border: rgba(255, 255, 255, 0.06);
  --border-ember: rgba(255, 107, 53, 0.25);
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
  --display: 'Bebas Neue', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--white-hot);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 40px;
}

/* Grid lines background */
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Plasma arc glow */
.hero-arc {
  position: absolute;
  top: 50%;
  right: -120px;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  pointer-events: none;
}

.arc-core {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%,
    rgba(255, 107, 53, 0.18) 0%,
    rgba(255, 107, 53, 0.06) 40%,
    transparent 70%);
  border-radius: 50%;
  animation: arcPulse 3s ease-in-out infinite;
}

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

/* Sparks */
.hero-sparks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.spark {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 6px var(--ember), 0 0 12px var(--ember);
  animation: sparkFly var(--dur, 2s) var(--delay, 0s) ease-out infinite;
}

.s1 { top: 30%; right: 18%; --dur: 2.4s; --delay: 0s; }
.s2 { top: 45%; right: 25%; --dur: 1.9s; --delay: 0.4s; }
.s3 { top: 55%; right: 12%; --dur: 2.1s; --delay: 0.8s; }
.s4 { top: 38%; right: 32%; --dur: 2.7s; --delay: 1.2s; }
.s5 { top: 62%; right: 20%; --dur: 1.7s; --delay: 0.3s; }
.s6 { top: 50%; right: 38%; --dur: 3s; --delay: 1.7s; }

@keyframes sparkFly {
  0% { transform: translate(0, 0) scale(1); opacity: 0; }
  10% { opacity: 1; }
  100% { transform: translate(var(--tx, -80px), var(--ty, -120px)) scale(0); opacity: 0; }
}

.s1 { --tx: -60px; --ty: -100px; }
.s2 { --tx: -90px; --ty: -60px; }
.s3 { --tx: -50px; --ty: -140px; }
.s4 { --tx: -110px; --ty: -80px; }
.s5 { --tx: -70px; --ty: -160px; }
.s6 { --tx: -40px; --ty: -90px; }

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--display);
  font-size: clamp(4.5rem, 10vw, 9rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--white-hot);
  margin-bottom: 28px;
}

.heat-text {
  color: var(--ember);
  text-shadow: 0 0 60px rgba(255, 107, 53, 0.4), 0 0 120px rgba(255, 107, 53, 0.15);
}

.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--steel-light);
  max-width: 520px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* Specs row */
.hero-specs {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-left: 2px solid var(--ember);
  background: rgba(255, 107, 53, 0.04);
  width: fit-content;
}

.spec-item {
  padding: 16px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 1px solid var(--border);
}

.spec-value {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ember);
}

.spec-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

/* === HOW IT WORKS === */
.howitworks {
  background: var(--bg-alt);
  padding: 100px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hiw-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 16px;
}

.section-heading {
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: 0.03em;
  color: var(--white-hot);
  margin-bottom: 64px;
}

.step-row {
  display: grid;
  grid-template-columns: 1fr 48px 1fr 48px 1fr;
  align-items: start;
  gap: 0;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-num {
  font-family: var(--display);
  font-size: 4rem;
  line-height: 1;
  color: var(--ember);
  letter-spacing: 0.02em;
}

.step-body h3 {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white-hot);
  margin-bottom: 10px;
}

.step-body p {
  font-size: 0.9rem;
  color: var(--steel);
  line-height: 1.7;
}

.step-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
  gap: 0;
}

.connector-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--ember), transparent);
}

.connector-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 8px var(--ember);
}

/* === CAPABILITIES === */
.capabilities {
  padding: 100px 40px;
}

.cap-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-bottom: 48px;
}

.cap-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.cap-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--ember);
}

.cap-icon {
  margin-bottom: 20px;
}

.cap-card h3 {
  font-family: var(--display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--white-hot);
  margin-bottom: 12px;
}

.cap-card p {
  font-size: 0.85rem;
  color: var(--steel);
  line-height: 1.7;
}

/* Materials table */
.materials-table {
  border: 1px solid var(--border);
  overflow: hidden;
}

.mat-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  padding: 14px 24px;
  background: rgba(255, 107, 53, 0.06);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.mat-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.mat-row:last-child { border-bottom: none; }
.mat-row:hover { background: rgba(255, 107, 53, 0.03); }

.mat-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--white-hot);
}

.mat-val {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--steel-light);
}

/* === QUOTE === */
.quote-section {
  background: var(--bg-alt);
  padding: 100px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.quote-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: start;
}

.quote-badge {
  border: 1px solid var(--border-ember);
  background: var(--ember-dim);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 180px;
}

.badge-line {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.badge-mono {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ember);
  letter-spacing: 0.05em;
}

.badge-text {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--white-hot);
  font-weight: 500;
}

.quote-text h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  letter-spacing: 0.03em;
  color: var(--white-hot);
  margin-bottom: 20px;
}

.quote-text p {
  font-size: 0.9rem;
  color: var(--steel);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* === CLOSING === */
.closing {
  padding: 120px 40px;
  position: relative;
  overflow: hidden;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-arc {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at 50% 50%,
    rgba(255, 107, 53, 0.12) 0%,
    rgba(255, 107, 53, 0.04) 40%,
    transparent 70%);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.closing h2 {
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: 0.03em;
  color: var(--white-hot);
  margin-bottom: 28px;
  line-height: 1.05;
  position: relative;
}

.closing p {
  font-size: 0.95rem;
  color: var(--steel);
  line-height: 1.8;
  margin-bottom: 20px;
}

.closing-cta-wrap {
  display: flex;
  justify-content: center;
  margin-top: 8px;
  margin-bottom: 16px;
}

.closing-cta {
  text-decoration: none;
}

.closing-tagline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.tagline-mono {
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--ember);
}

.tagline-text {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-light);
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--display);
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  color: var(--white-hot);
}

.footer-works {
  color: var(--ember);
}

.footer-tagline {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--steel);
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.footer-meta {
  display: flex;
  gap: 32px;
}

.footer-spec {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

.footer-mono {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.footer-val {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ember);
}

.footer-copy {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--steel);
  letter-spacing: 0.05em;
}

/* === QUOTE FORM === */
.quote-form {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 2px solid var(--ember);
  color: var(--white-hot);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 300;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--steel);
  opacity: 0.6;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--ember);
  box-shadow: 0 0 0 2px var(--ember-dim);
}

.form-group select option { background: var(--bg-alt); color: var(--white-hot); }

.form-group textarea { resize: vertical; min-height: 100px; }

.required { color: var(--ember); }

.btn-ember {
  background: var(--ember);
  color: #0a0a0a;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  padding: 16px 32px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, box-shadow 0.2s;
  align-self: flex-start;
  margin-top: 8px;
}

.btn-ember:hover:not(:disabled) {
  background: #ff7f47;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.btn-ember:active:not(:disabled) { background: #e55a25; }
.btn-ember:disabled { opacity: 0.6; cursor: not-allowed; }

.form-note {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--steel);
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.quote-success {
  margin-top: 32px;
  padding: 28px;
  border: 1px solid var(--border-ember);
  background: var(--ember-dim);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.success-icon { margin-bottom: 4px; }

.quote-success h3 {
  font-family: var(--display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--white-hot);
}

.quote-success p {
  font-size: 0.9rem;
  color: var(--steel);
  line-height: 1.7;
}

.quote-error {
  margin-top: 12px;
  padding: 14px 20px;
  border: 1px solid rgba(255, 50, 50, 0.3);
  background: rgba(255, 50, 50, 0.06);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #ff6b6b;
  letter-spacing: 0.05em;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .step-row { grid-template-columns: 1fr; gap: 40px; }
  .step-connector { display: none; }
  .cap-grid { grid-template-columns: 1fr; }
  .quote-inner { grid-template-columns: 1fr; }
  .quote-badge { flex-direction: row; }
  .hero-specs { flex-wrap: wrap; }
  .spec-item { padding: 12px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .mat-header, .mat-row { grid-template-columns: 1.5fr 1fr 1fr; }
  .mat-header span:last-child, .mat-row span:last-child { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { flex-wrap: wrap; gap: 20px; }
}

@media (max-width: 600px) {
  .hero { padding: 60px 24px; }
  .howitworks, .capabilities, .quote-section, .closing, .footer { padding: 60px 24px; }
  .hero-headline { font-size: 3.5rem; }
  .mat-header, .mat-row { grid-template-columns: 1fr 1fr; }
  .mat-header span:nth-child(3),
  .mat-row span:nth-child(3),
  .mat-header span:last-child,
  .mat-row span:last-child { display: none; }
}