/* ————————————————————————————————————————————————
   Termodensirom — certificare frigorifice auto
   The cold sibling of the warehouse site: same house type
   (Fraunces display · Archivo sans), same ink and brand blue,
   but the accent range lives in the 2–8 °C regime — ice,
   with one amber counterpoint for the 15–25 °C run.
   ———————————————————————————————————————————————— */

:root {
  --ink: #05070d;
  --ink-2: #0a0e1a;
  --brand: #2e3293;
  --paper: #eaeef5;
  --dim: #8792a8;
  --hair: rgba(234, 238, 245, 0.14);
  --ice: #c3e7ff;
  --cold: #6fbdf2;
  --deep: #3f7bd8;
  --warm: #e8a33d;
  --coldline: linear-gradient(90deg, var(--ice), var(--cold) 45%, var(--deep));
  --serif: "Fraunces", Georgia, serif;
  --sans: "Archivo", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--brand); color: var(--paper); }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--cold);
  outline-offset: 4px;
}

/* ——— nav ——— */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem clamp(1.2rem, 4vw, 3rem);
  background: linear-gradient(180deg, rgba(5, 7, 13, 0.55), transparent);
}

.nav-brand { display: block; }

/* logo drawn through a mask so it can ice over as the page cools */
.nav-logo {
  display: block;
  height: clamp(42px, 5vw, 72px);
  aspect-ratio: 2801 / 428;
  background-color: var(--paper);
  -webkit-mask: url("../../assets/logo-light.svg") no-repeat left center / contain;
  mask: url("../../assets/logo-light.svg") no-repeat left center / contain;
}

.nav-right { display: flex; align-items: baseline; gap: 2.4rem; }

.nav-links { display: flex; gap: 2rem; }

.nav-links a {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--paper); }

.lang { display: flex; align-items: baseline; gap: 0.55rem; }

.lang-btn {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--dim);
  transition: color 0.3s;
}

.lang-btn:hover, .lang-btn.on { color: var(--paper); }

.lang-sep { font-size: 0.7rem; color: var(--hair); }

/* ——— cold rail (signature): the page cools 8,0 → 2,0 °C ——— */

.rail {
  position: fixed;
  right: clamp(0.9rem, 2.4vw, 2rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--dim);
  transition: opacity 0.5s;
}

.rail.off { opacity: 0; }

.rail-track {
  position: relative;
  width: 2px;
  height: clamp(140px, 26vh, 240px);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--deep), var(--cold) 55%, var(--ice));
  opacity: 0.85;
}

.rail-dot {
  position: absolute;
  left: 50%;
  top: 0%;
  transform: translate(-50%, -50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 10px rgba(234, 238, 245, 0.8);
}

.rail-read {
  margin-top: 0.35rem;
  color: var(--paper);
  letter-spacing: 0.08em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ——— hero orbit ——— */

.orbit { position: relative; height: 520vh; }

.orbit-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

#orbitCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.orbit-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 50%, transparent 55%, rgba(5, 7, 13, 0.72)),
    linear-gradient(180deg, rgba(5, 7, 13, 0.5), transparent 22%, transparent 76%, var(--ink));
}

.cap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 clamp(1.2rem, 6vw, 4rem);
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(56% 50% at 50% 50%, rgba(5, 7, 13, 0.72), transparent 74%);
  text-shadow: 0 1px 6px rgba(5, 7, 13, 0.95), 0 2px 30px rgba(5, 7, 13, 0.95), 0 0 70px rgba(5, 7, 13, 0.9);
}

.cap h1 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 300;
  font-size: clamp(2.6rem, 7.4vw, 6.4rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.cap h2 {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 300;
  font-size: clamp(2rem, 5.4vw, 4.6rem);
  line-height: 1.05;
}

.cap p {
  margin-top: 1.1rem;
  font-size: 0.8rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--dim);
}

.eyebrow { order: -1; margin-bottom: 1.6rem; }

.cap p.eyebrow { color: var(--paper); }

.cap .hero-sub {
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 1rem;
  color: rgba(234, 238, 245, 0.75);
}

.cold-fig { color: var(--cold); }
.warm-fig { color: var(--warm); }

.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.66rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--dim);
  transition: opacity 0.6s;
}

.scroll-cue em { font-style: normal; }

.scroll-cue span {
  width: 1px;
  height: 44px;
  background: linear-gradient(180deg, transparent, var(--paper));
  animation: cue 2.2s ease-in-out infinite;
}

@keyframes cue {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* mid/late hero captions sit low so the vehicle and the cold space stay clear */
.cap-low {
  justify-content: flex-end;
  padding-bottom: clamp(3.4rem, 10vh, 6rem);
  background: linear-gradient(180deg, transparent 55%, rgba(5, 7, 13, 0.66));
}

.cap-low h2 { font-size: clamp(1.7rem, 3.8vw, 3.1rem); }

.cap-low p {
  margin-top: 0.7rem;
  font-size: 0.72rem;
}

/* ——— the nine logger labels over the cold space ——— */

.sens {
  position: absolute;
  pointer-events: none;
}

.sl {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 0.5em;
  opacity: 0;
  font-family: var(--mono);
  font-size: 1em;
  letter-spacing: 0.14em;
  color: var(--ice);
  white-space: nowrap;
  text-shadow: 0 1px 4px rgba(5, 7, 13, 0.95), 0 0 16px rgba(5, 7, 13, 0.8);
}

.sl i {
  display: block;
  width: 0.5em;
  height: 0.5em;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.sl em { font-style: normal; }

/* ——— the road scrub (top-down) ——— */

.road { position: relative; height: 340vh; }

.road-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

#roadCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.road-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(130% 100% at 50% 50%, transparent 58%, rgba(5, 7, 13, 0.8)),
    linear-gradient(180deg, var(--ink), transparent 14%, transparent 86%, var(--ink));
}

/* the exterior reference reads warmer than the cold space */
.sl-ext { color: var(--warm); }

.sl-ext em { font-variant-numeric: tabular-nums; }

/* ——— content sections ——— */

.sect {
  position: relative;
  max-width: 1060px;
  margin: 0 auto;
  padding: clamp(6rem, 14vh, 10rem) clamp(1.2rem, 5vw, 3rem);
}

.sect + .sect::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(1.2rem, 5vw, 3rem);
  right: clamp(1.2rem, 5vw, 3rem);
  height: 1px;
  background: var(--hair);
}

.idx {
  display: block;
  margin-bottom: 1.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dim);
}

.display {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 18ch;
  text-wrap: balance;
}

.lede {
  margin-top: 1.8rem;
  max-width: 46ch;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.75;
  color: rgba(234, 238, 245, 0.72);
}

.lede.center { margin: 4rem auto 0; text-align: center; }

/* fleet list */

.fleet-list { margin-top: 3.6rem; }

.fleet-list > div {
  display: grid;
  grid-template-columns: minmax(150px, 220px) 1fr;
  gap: 1.2rem 2rem;
  align-items: baseline;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--hair);
}
.fleet-list > div:first-child { border-top: 1px solid var(--hair); }

.fleet-list dt {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
}

.fleet-list dd {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 400;
  font-size: clamp(1.05rem, 1.9vw, 1.4rem);
}

/* stats */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat { text-align: center; }

.stat strong {
  display: block;
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 300;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat span {
  display: block;
  margin-top: 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}

/* the two regimes */

.runs {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

.run {
  position: relative;
  padding: 2.4rem 2rem 2.2rem;
  border: 1px solid var(--hair);
  border-radius: 2px;
  overflow: hidden;
}

.run::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.run-cold::before { background: var(--coldline); }
.run-warm::before { background: linear-gradient(90deg, #d9c08a, var(--warm) 60%, #c9722f); }

.run-cold { background: linear-gradient(200deg, rgba(63, 123, 216, 0.10), transparent 55%); }
.run-warm { background: linear-gradient(200deg, rgba(232, 163, 61, 0.07), transparent 55%); }

.run-tag {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}

.run-band {
  display: block;
  margin-top: 1.4rem;
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 300;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.run-cold .run-band { color: var(--cold); }
.run-warm .run-band { color: var(--warm); }

.run-when {
  margin-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.run-note {
  margin-top: 0.5rem;
  font-size: 0.86rem;
  color: var(--dim);
}

/* specs */

.specs {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--hair);
  border-left: 1px solid var(--hair);
}

.specs > div {
  padding: 1.6rem 1.4rem;
  border-bottom: 1px solid var(--hair);
  border-right: 1px solid var(--hair);
}

.specs dt {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
}

.specs dd {
  margin-top: 0.7rem;
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 400;
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

/* paper list */

.paper-list { margin-top: 3.6rem; list-style: none; }

.paper-list li {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--hair);
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 400;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
}

.paper-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: none;
  background: var(--coldline);
  transform: translateY(-2px);
}

/* footer */

.foot {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.2rem, 5vw, 3rem) clamp(8rem, 18vw, 16rem);
  border-top: 1px solid var(--hair);
  text-align: center;
  perspective: 900px;
}

/* giant TDR watermark, bottom ~30% cropped below the fold */
.foot-bg {
  position: absolute;
  left: 50%;
  bottom: -4.6vw;
  transform: translateX(-50%);
  width: 100vw;
  aspect-ratio: 2801 / 428;
  /* brand watermark: Reflex Blue (#001489), lifted at the top so it reads on the dark ink */
  background: linear-gradient(180deg, rgba(90, 106, 240, 0.5), rgba(0, 20, 137, 0.34));
  -webkit-mask: url("../../assets/logo-light.svg") no-repeat center / contain;
  mask: url("../../assets/logo-light.svg") no-repeat center / contain;
  pointer-events: none;
  will-change: transform;
}

.foot-3d {
  position: relative;
  max-width: 1060px;
  margin: 0 auto;
  transform-origin: 50% 100%;
  will-change: transform;
}

.foot p {
  margin-top: 2rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  line-height: 2.1;
}

.foot-link {
  display: inline-block;
  margin-top: 2.2rem;
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cold);
  border-bottom: 1px solid rgba(111, 189, 242, 0.35);
  padding-bottom: 0.2rem;
  transition: color 0.3s, border-color 0.3s;
}
.foot-link:hover { color: var(--ice); border-color: var(--ice); }

.foot small {
  display: block;
  margin-top: 3.5rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: rgba(135, 146, 168, 0.6);
}

/* ——— vehicle photo ——— */

.room-photo { margin-top: 4rem; }

.room-photo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  filter: saturate(0.92);
}

.room-photo figcaption {
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--dim);
}

/* acceptance band */

/* ——— faq ——— */

.faq-list { margin-top: 3.6rem; max-width: 62ch; }

.faq-list > div { padding: 1.7rem 0; border-top: 1px solid var(--hair); }

.faq-list h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  letter-spacing: -0.01em;
}

.faq-list p {
  margin-top: 0.85rem;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(233, 234, 242, 0.72);
}

/* ——— footer contact ——— */

.foot-contact {
  margin-top: 3.6rem;
  padding-top: 2.6rem;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  font-style: normal;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--dim);
}

.foot-contact > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
}

.fc-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(138, 142, 168, 0.6);
  margin-bottom: 0.6rem;
}

.foot-contact strong { color: var(--paper); font-weight: 500; }

.foot-contact a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
}

.foot-contact a:hover { border-bottom-color: var(--paper); }

/* ——— reveals ——— */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.in { opacity: 1; transform: none; }

/* ——— responsive ——— */

@media (max-width: 760px) {
  .nav-links a { display: none; }
  .nav-links a.nav-x { display: inline; }
  .foot-contact { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .foot-contact > div { align-items: center; }
  .orbit { height: 380vh; }
  .stats { grid-template-columns: 1fr; gap: 3.4rem; }
  .specs { grid-template-columns: 1fr 1fr; }
  .runs { grid-template-columns: 1fr; }
  .fleet-list > div { grid-template-columns: 1fr; gap: 0.4rem; }
  .rail { right: 0.55rem; }
  .rail-read { font-size: 0.58rem; }
}

/* ——— reduced motion ——— */

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-cue span { animation: none; }
  .cap, .xcap { transition: none; }
}