/* SpecTransGroup — shared premium styles (industrial apple x heavy duty) */

:root {
  --bg: #050505;
  --surface: rgba(12, 14, 18, 0.72);
  --surface-2: rgba(20, 22, 28, 0.78);
  --stroke: rgba(255, 255, 255, 0.08);
  --stroke-2: rgba(255, 255, 255, 0.12);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --soft: rgba(255, 255, 255, 0.5);
  --accent: #ffcd00;
  --accent-soft: rgba(255, 205, 0, 0.16);
  --ok: #22c55e;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.72);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --max: 1180px;
  --scrollY: 0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.92);
  border: 1px solid var(--stroke-2);
  z-index: 1000;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(5, 5, 5, 0.72);
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.logo__mark {
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at top, rgba(255, 205, 0, 1) 0, rgba(255, 205, 0, 0.7) 55%, rgba(255, 205, 0, 0.2) 100%);
  color: #0a0a0a;
  font-size: 12px;
  font-style: normal;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 1);
}

.logo__text {
  font-size: 14px;
}

.nav {
  display: none;
  align-items: center;
  gap: 18px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--soft);
}

.nav a {
  position: relative;
  padding: 10px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 5px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(255, 205, 0, 0));
  transition: width 0.2s ease-out;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  width: 100%;
}

.nav__secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.chip--accent {
  border-color: rgba(255, 205, 0, 0.32);
  background: radial-gradient(circle at top, rgba(255, 205, 0, 0.2), rgba(255, 255, 255, 0.04));
  color: var(--accent);
  font-weight: 700;
}

.chip svg {
  width: 16px;
  height: 16px;
}

.chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: grid;
  align-items: center;
  padding: 78px 0 52px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.55) 0, rgba(5, 5, 5, 0.85) 52%, rgba(5, 5, 5, 1) 100%);
  z-index: 1;
}

.hero__bg {
  position: absolute;
  inset: -16px;
  background-color: #050505;
  overflow: hidden;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.6s ease-in-out;
  will-change: transform, opacity;
}

.hero__slide--1,
.hero__slide--2,
.hero__slide--3,
.hero__slide--4 {
  background-image:
    radial-gradient(circle at 20% 15%, rgba(255, 205, 0, 0.16), transparent 55%),
    radial-gradient(circle at 80% 25%, rgba(148, 163, 184, 0.12), transparent 55%),
    url(\"../assets/hero-industrial.svg\");
}

.hero__slide--2 {
  background-position: center top;
}

.hero__slide--3 {
  background-position: 40% 60%;
}

.hero__slide--4 {
  background-position: 60% 40%;
}

.hero__slide.is-active {
  opacity: 1;
  animation: kenburns 24s ease-in-out forwards;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.kicker__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.kicker__pill strong {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.h1 {
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.92;
  font-size: clamp(38px, 7.2vw, 76px);
  margin: 0 0 14px;
}

.h1 .accent {
  color: var(--accent);
}

.lead {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
}

.lead strong {
  color: var(--text);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: transform 0.16s ease-out, box-shadow 0.16s ease-out, background 0.16s ease-out, border-color 0.16s ease-out;
  user-select: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn--primary {
  background: var(--accent);
  color: #0a0a0a;
  box-shadow: 0 18px 55px rgba(255, 205, 0, 0.24);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 70px rgba(255, 205, 0, 0.28);
}

.btn--glass {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--stroke-2);
  color: var(--text);
}

.btn--glass:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.stat {
  padding: 12px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.stat__k {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--soft);
  margin-bottom: 4px;
}

.stat__v {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero__glass {
  padding: 18px 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transform: translateY(calc(var(--scrollY) * -0.02px));
}

.hero__glass::after {
  content: "";
  position: absolute;
  inset: auto -80px -80px auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 205, 0, 0.18), transparent 60%);
  pointer-events: none;
}

.hero__glass h2 {
  margin: 0 0 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.hero__glass p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Sections */
.section {
  padding: 58px 0;
}

.section__head {
  margin-bottom: 18px;
}

.h2 {
  margin: 0 0 10px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  font-size: clamp(22px, 4.2vw, 34px);
}

.sub {
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
  font-size: 14px;
}

/* Timeline */
.timeline {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 14px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.step__n {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #0a0a0a;
  background: radial-gradient(circle at top, var(--accent) 0, rgba(255, 205, 0, 0.82) 70%, rgba(255, 205, 0, 0.35) 100%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 1);
}

.step__t {
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.step__d {
  color: var(--muted);
  font-size: 14px;
}

/* Cards */
.grid {
  display: grid;
  gap: 12px;
}

.card {
  padding: 16px 16px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.55);
}

.card__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.icon {
  width: 22px;
  height: 22px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Fleet catalog */
.catalog {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.catalog__group {
  padding: 16px 16px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
}

.catalog__group h3 {
  margin: 0 0 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.unit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 12px 12px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.25);
}

.unit__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.unit__name {
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.02em;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 205, 0, 0.26);
  background: rgba(255, 205, 0, 0.08);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kv {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

.kv div {
  padding: 10px 10px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
}

.kv strong {
  display: block;
  color: var(--soft);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* Map */
.map {
  margin-top: 16px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.map iframe {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
}

/* Trust strip */
.trust {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.trust__item {
  padding: 14px 14px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
}

.trust__item strong {
  color: var(--text);
}

/* Footer */
.footer {
  border-top: 1px solid var(--stroke);
  padding: 20px 0 90px;
  color: var(--soft);
  font-size: 12px;
}

.footer__row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 11px;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  animation: pulse 1.9s ease-in-out infinite;
}

/* Floating callback */
.callback {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
}

.callback__panel {
  display: none;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
  padding: 12px 12px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  min-width: 240px;
}

.callback__panel.is-open {
  display: flex;
}

.callback__title {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.callback__toggle {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 205, 0, 0.25);
  background: radial-gradient(circle at top, rgba(255, 205, 0, 0.2), rgba(255, 255, 255, 0.04));
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.55);
}

.callback__toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.callback__toggle svg {
  width: 22px;
  height: 22px;
}

.callback__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.callback__action:hover {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.callback__action .meta {
  color: var(--muted);
  font-size: 12px;
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes kenburns {
  from {
    transform: scale(1.08) translate3d(-1.5%, -1%, 0);
  }
  to {
    transform: scale(1.16) translate3d(1.5%, 1%, 0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.35);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

@media (min-width: 860px) {
  .nav {
    display: inline-flex;
  }

  .hero__grid {
    grid-template-columns: 1.25fr 0.9fr;
    align-items: start;
    gap: 26px;
  }

  .hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .footer__row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}