:root {
  --bg: #000;
  --panel: #0b0b0b;
  --panel-2: #111;
  --line: #222;
  --fg: #fff;
  --muted: #bfbfbf;
  --muted-2: #8e8e8e;
  --gold: #897106;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
}

/* RESET */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Rajdhani", sans-serif;
  scroll-behavior: smooth;
}
img,
video {
  max-width: 100%;
  display: block;
}
button,
input {
  font: inherit;
  color: inherit;
}
a {
  text-decoration: none;
  color: inherit;
}

/* UTILS */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.6rem;
}
.visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  padding: 0;
  border: 0;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

/* SURFACES */
.card-3d {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.05),
    rgba(255, 255, 255, 0.02)
  );
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* BUTTONS / LINKS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  border-radius: 999px;
  padding: 0.85rem 1.5rem;
  border: 1px solid transparent;
  gap: 0.5rem;
  transition: transform 0.15s ease, box-shadow 0.3s ease,
    background-color 0.25s ease, border-color 0.25s ease;
}
.btn:active {
  transform: translateY(0) scale(0.98);
}
.btn-white {
  background: #fff;
  color: #000;
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.35);
}
.btn-ghost {
  background: transparent;
  border-color: #444;
}
.btn-ghost:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 20px rgba(137, 113, 6, 0.28);
}
.btn-link-gold {
  color: #d4af37;
  font-weight: 700;
}
.btn-link-gold:hover {
  color: #efc959ff;
  text-decoration: underline;
}

/* TYPOGRAPHY */
.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold);
  text-align: center;
  margin: 0 auto 2rem;
}
.subtitle {
  color: #d9d9d9;
  max-width: 680px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 70vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  background: radial-gradient(
      60% 60% at 50% 35%,
      rgba(0, 0, 0, 0.2),
      rgba(0, 0, 0, 0.8)
    ),
    url("../assets/images/cnc2.jpg") center/cover no-repeat;
  filter: saturate(0.95) contrast(1.05);
  pointer-events: none;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 50%,
    transparent 55%,
    rgba(0, 0, 0, 0.7)
  );
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  place-items: center;
  padding: 2rem;
}
.hero-glass {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 1.8rem 2.4rem;
  border-radius: 18px;
  background: rgba(10, 10, 10, 0.36);
  border: 2px solid #dfb80a;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  max-width: 760px;
  margin: 0 auto;
}
.hero-glass .title {
  font-size: 3rem;
  line-height: 1;
}
.hero-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.25rem;
}
@supports (backdrop-filter: blur(8px)) {
  .hero-glass {
    backdrop-filter: blur(10px) saturate(110%);
    -webkit-backdrop-filter: blur(10px) saturate(110%);
  }
}

/* ===== VALUE ===== */
.value {
  padding: 4.5rem 0;
}
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.value-card {
  text-align: center;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  justify-content: center;
}
.value-card h3 {
  font-size: 1.25rem;
}
.value-card p {
  color: #cfcfcf;
}
@media (max-width: 900px) {
  .value-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== STATS ===== */
.stats {
  padding: 2.6rem 0 0;
  text-align: center;
}
.stats-surface {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.stats-surface .stat {
  background: rgba(0, 0, 0, 0.5);
  padding: 1.2rem 1rem;
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
}
.stat-label {
  color: #bfbfbf;
}
.stats-footnote {
  color: #9e9e9e;
  margin-top: 0.75rem;
}

/* ===== PROCESS RAIL ===== */
.process-rail {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--bg);
  color: var(--fg);
}

.process-rail__list {
  list-style: none;
  display: grid;
  gap: 20px;
  justify-content: center;
}

.process-rail__item {
  border: 1px solid var(--border);
  background: color-mix(in lab, var(--elev), transparent 6%);
  border-radius: 16px;
  padding: 20px;
  max-width: 320px;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.process-rail__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px color-mix(in lab, #000 35%, transparent);
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  background: color-mix(in lab, var(--fg) 12%, transparent);
  border: 1px solid var(--border);
  margin-bottom: 10px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.step-text {
  opacity: 0.85;
  font-size: 0.95rem;
}

/* Desktop: center the four cards in a row */
@media (min-width: 900px) {
  .process-rail__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    justify-items: center;
  }
  .process-rail__item {
    max-width: none;
  }
}

.process-rail__cta {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

/* ===== MYTHS ===== */
.myths {
  padding: 4.6rem 0;
  background: linear-gradient(180deg, #0a0a0a 0%, #060606 100%);
}
.myths-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
.myth {
  padding: 1.4rem;
  text-align: center;
  display: grid;
  gap: 0.5rem;
}
.myth h3 {
  color: #ffb4b4;
  font-weight: 700;
}
.myth h4 {
  color: #8de18d;
  font-weight: 700;
}
.myth p {
  color: #cfcfcf;
  max-width: 620px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .myths-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== MEDIA ===== */
.media {
  padding: 4.6rem 0;
  text-align: center;
  background: var(--panel); /* = #0b0b0b */
}

.frame {
  max-width: 860px;
  margin: 0 auto;
}
.frame-media {
  height: 360px;
  background: url("../assets/images/measure.jpg") center/cover no-repeat;
  filter: brightness(0.92);
}
.frame figcaption {
  color: #bdbdbd;
  padding: 0.85rem 1rem;
}

/* ===== CTA ===== */
.cta {
  padding: 4.8rem 0;
}
.cta-surface {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  padding: 1.6rem;
  display: grid;
  gap: 0.75rem;
}
.cta-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== HEADER ===== */
.site-header {
  width: 100%;
  background: #000;
  color: #fff;
  padding: 1.25rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.logo {
  flex: 0 0 auto;
  text-align: center;
}
.logo img {
  height: 42px;
  display: block;
}
.nav-left,
.nav-right {
  display: flex;
  gap: 2rem;
  flex: 1;
}
.nav-left {
  justify-content: flex-start;
  padding-left: 2rem;
}
.nav-right {
  justify-content: flex-end;
  padding-right: 2rem;
}
.nav-left a,
.nav-right a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
}
.nav-left a:hover,
.nav-right a:hover {
  color: var(--gold);
}
.site-header .logo a img {
  transform: scale(1.75);
  transform-origin: center;
}

/* ===== FOOTER ===== */
.site-footer {
  width: 100%;
  padding: 1.5rem 2rem;
  background: #111;
  color: #aaa;
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer-container {
  max-width: 1200px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}
.footer-left {
  flex: 1;
  color: #777;
}
.footer-center {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}
.footer-center a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border 0.3s ease, opacity 0.3s ease;
  font-weight: 600;
}
.footer-center a:hover {
  border-bottom: 1px solid #fff;
  opacity: 0.7;
}
.footer-right {
  flex: 1;
  text-align: right;
  color: #999;
  font-style: italic;
}

/* STORY STRIP */
.story {
  padding: 4.8rem 0;
  background: #0b0b0b;
  text-align: center;
}
.story-surface {
  padding: 2rem 1.8rem;
  display: grid;
  gap: 1rem;
  justify-items: center;
}
.story-lead {
  font-size: 1.25rem;
  color: #e0e0e0;
  max-width: 720px;
}
.story-sub {
  color: #bfbfbf;
  max-width: 720px;
}
.story-cta {
  margin-top: 1rem;
}

/* ADDITIVE STRIP */
.additive {
  padding: 4.8rem 0;
  background: #0b0b0b;
  text-align: center;
}
.additive-surface {
  padding: 2rem 1.8rem;
  display: grid;
  gap: 1.25rem;
  justify-items: center;
}

.additive-lead {
  font-size: 1.2rem;
  color: #e0e0e0;
  max-width: 780px;
}

.additive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: 980px;
}

.add-card {
  padding: 1.25rem 1.1rem;
  text-align: center;
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.add-card h3 {
  font-size: 1.1rem;
}
.add-card p {
  color: #cfcfcf;
}

.klist {
  list-style: none;
  display: grid;
  gap: 0.4rem;
  margin-top: 0.2rem;
}
.klist li {
  color: #cfcfcf;
  position: relative;
  padding-left: 1.1rem;
}
.klist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}

.additive-note {
  color: #bdbdbd;
  max-width: 780px;
}

.story-cta {
  margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 900px) {
  .additive-grid {
    grid-template-columns: 1fr;
  }
}