/* Siam Signature · Central Asia
   Palette from the subject: banana-leaf green, pale sage paper, white plates for pack shots,
   the elephant-logo gold used only as a marker (recommended items, pallets in the planner). */

:root {
  --leaf: #173a2c;
  --leaf-2: #0f281e;
  --leaf-3: #2f5a45;
  --paper: #eef1ea;
  --paper-2: #e3e9df;
  --white: #ffffff;
  --ink: #131b17;
  --ink-2: #36423b;
  --muted: #56625b;
  --line: #c8d1c5;
  --line-2: #dde4d9;
  --gold: #c9963a;
  --gold-2: #e7c988;
  --err: #9e3a28;
  --focus: #1a6b48;

  --f-display: "Geologica", "Golos Text", system-ui, sans-serif;
  --f-body: "Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1360px;
  --gut: clamp(16px, 4vw, 48px);
  --hdr: 72px;
  --r: 6px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hdr) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.55 var(--f-body);
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

img {
  height: auto;
}

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

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
p,
dl,
dd,
figure,
ol,
ul {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.hero,
.band,
.ftr,
.contact__card,
.hdr[data-state="over"] {
  --focus: var(--gold-2);
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 4px;
}

.skip:focus {
  top: 12px;
}

.mono,
.sec__label,
.hero__eyebrow,
.hero__route {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- icons & buttons ---------- */

.i {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.i--fill {
  fill: currentColor;
  stroke: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--leaf);
  border-radius: 4px;
  background: var(--leaf);
  color: #fff;
  font: 500 15.5px/1.1 var(--f-body);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover {
  background: var(--leaf-2);
  border-color: var(--leaf-2);
}

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

.btn small {
  font: 400 11.5px/1 var(--f-mono);
  letter-spacing: 0.02em;
  opacity: 0.72;
}

.btn--light {
  background: #fff;
  border-color: #fff;
  color: var(--ink);
}

.btn--light:hover {
  background: var(--paper);
  border-color: var(--paper);
}

.btn--ghost-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.btn--line {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn--line:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.btn--sm {
  min-height: 42px;
  padding: 0 16px;
  font-size: 14.5px;
}

.link-btn {
  background: none;
  border: 0;
  padding: 8px 4px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.link-btn:hover {
  color: var(--ink);
}

/* ---------- concept bar (hosted mock-up only) ---------- */

.concept {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: env(safe-area-inset-top, 0px) var(--gut) 0;
  background: var(--gold-2);
  color: #1a140a;
  font: 500 11.5px/1.3 var(--f-mono);
  letter-spacing: 0.04em;
  text-align: center;
}

.concept__short {
  display: none;
}

@media (max-width: 720px) {
  .concept__long {
    display: none;
  }

  .concept__short {
    display: inline;
  }
}

.concept ~ .hdr {
  top: calc(30px + env(safe-area-inset-top, 0px));
}

.concept ~ main .hero__in {
  padding-top: calc(var(--hdr) + 78px);
}

.concept ~ .hdr .nav {
  top: calc(var(--hdr) + 30px);
}

html:has(.concept) {
  scroll-padding-top: calc(var(--hdr) + 42px);
}

/* ---------- header ---------- */

.hdr {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--hdr);
  color: #fff;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.hdr[data-state="solid"],
.hdr.is-menu {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--line);
}

.hdr__in {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
}

.logo img {
  height: 40px;
  width: auto;
}

.hdr[data-state="over"]:not(.is-menu) .on-light,
.hdr[data-state="solid"] .on-dark,
.hdr.is-menu .on-dark {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 1.6vw, 26px);
  margin-left: auto;
  font-size: 15px;
}

.nav a {
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.nav__pdf {
  display: none;
}

.hdr__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang {
  font: 500 12px/1 var(--f-mono);
  letter-spacing: 0.08em;
  padding: 9px 9px;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 4px;
}

.lang:hover {
  border-color: currentColor;
}

.hdr__pdf {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  font-size: 14px;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 4px;
}

.hdr__pdf .i {
  width: 16px;
  height: 16px;
}

.hdr__pdf:hover {
  border-color: currentColor;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 4px;
}

.icon-btn--wa {
  background: #fff;
  color: var(--leaf);
}

.hdr[data-state="solid"] .icon-btn--wa,
.hdr.is-menu .icon-btn--wa {
  background: var(--leaf);
  color: #fff;
}

.menu-btn {
  display: none;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 12px;
  background: none;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.menu-btn i {
  position: relative;
  width: 16px;
  height: 8px;
  border-block: 1.5px solid currentColor;
  transition: transform 0.2s;
}

.menu-btn__l2,
.menu-btn[aria-expanded="true"] .menu-btn__l1 {
  display: none;
}

.menu-btn[aria-expanded="true"] .menu-btn__l2 {
  display: inline;
}

@media (max-width: 1180px) {
  .menu-btn {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    top: var(--hdr);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 8px var(--gut) 24px;
    background: var(--paper);
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -24px rgba(15, 40, 30, 0.35);
    font: 300 24px/1.2 var(--f-display);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0s 0.2s;
  }

  .hdr.is-menu .nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity 0.2s, transform 0.2s;
  }

  .nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line-2);
  }

  .nav a::after {
    display: none;
  }

  .nav__pdf {
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 0 !important;
    font: 500 16px/1 var(--f-body);
    margin-top: 12px;
  }

  .hdr__actions {
    margin-left: auto;
  }
}

@media (max-width: 720px) {
  .hdr__pdf {
    display: none;
  }

  .logo img {
    height: 34px;
  }

  .hdr__in {
    gap: 12px;
  }
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: max(640px, 100svh);
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
  background: var(--leaf-2);
  color: #fff;
}

.hero__poster,
.hero__video,
.band__poster,
.band__video,
.terms__poster,
.terms__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bgv {
  opacity: 0;
  transition: opacity 1.2s ease;
}

.bgv.is-playing {
  opacity: 1;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 26, 19, 0.55) 0%, rgba(10, 26, 19, 0) 26%),
    linear-gradient(0deg, rgba(10, 26, 19, 0.86) 0%, rgba(10, 26, 19, 0.5) 42%, rgba(10, 26, 19, 0.12) 72%);
}

.hero__in {
  position: relative;
  align-self: end;
  padding-top: calc(var(--hdr) + 48px);
  padding-bottom: clamp(32px, 5vw, 56px);
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.82);
}

.hero__eyebrow::before,
.card__rec i {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
  flex: none;
}

.hero__title {
  margin-top: 18px;
  max-width: 15ch;
  font: 300 clamp(2.5rem, 1.25rem + 4.6vw, 5.6rem) / 1.02 var(--f-display);
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero__sub {
  margin-top: 24px;
  max-width: 54ch;
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.2rem);
  color: rgba(255, 255, 255, 0.86);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero__foot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 20px;
}

.hero__foot::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gut);
  right: var(--gut);
  height: 1px;
  background: rgba(255, 255, 255, 0.24);
}

.hero__route {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.hero__route > span:not(.sr) {
  white-space: nowrap;
}

/* the route: dashes travel from Bangkok towards Central Asia */
.route {
  position: relative;
  width: clamp(56px, 12vw, 180px);
  height: 8px;
  flex: none;
}

.route::before {
  content: "";
  position: absolute;
  left: 0;
  right: 6px;
  top: 3.5px;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.85) 0 6px, transparent 6px 11px);
  background-size: 11px 1px;
  animation: route-run 1.1s linear infinite;
}

.route::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg) scale(0.75);
}

.route b {
  position: absolute;
  left: 0;
  top: 1.5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #fff;
}

@keyframes route-run {
  to { background-position: 11px 0; }
}

.wa-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 8px 8px;
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  transition: background-color 0.2s;
}

.wa-pill:hover {
  background: var(--paper);
}

.wa-pill__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  background: var(--leaf);
  color: #fff;
}

.wa-pill__txt {
  display: grid;
  line-height: 1.25;
}

.wa-pill__txt strong {
  font-weight: 500;
  font-size: 14.5px;
}

.wa-pill__txt small {
  font-size: 12.5px;
  color: var(--muted);
}

.wa-pill__go {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.wa-pill__go .i {
  width: 16px;
  height: 16px;
}

.hero__in > * {
  animation: rise 0.9s var(--ease) both;
}

.hero__in > :nth-child(1) { animation-delay: 0.05s; }
.hero__in > :nth-child(2) { animation-name: lift; animation-delay: 0.1s; }
.hero__in > :nth-child(3) { animation-delay: 0.25s; }
.hero__in > :nth-child(4) { animation-delay: 0.35s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
}

/* the h1 only moves: fading it would delay LCP */
@keyframes lift {
  from { transform: translateY(16px); }
}

@media (max-width: 720px) {
  .hero__foot {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__route {
    font-size: 11px;
  }

  .hero__cta .btn {
    flex: 1 1 100%;
  }
}

/* ---------- Siam Signature strip ---------- */

.sig {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.sig__in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 36px;
  padding-block: 20px;
}

.sig__logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
}

.sig__logo img:first-child {
  height: 46px;
  width: auto;
}

.sig__logo img:last-child {
  height: 11px;
  width: auto;
}

.sig__text {
  font-size: 15px;
  color: var(--ink-2);
}

.sig__certs {
  margin-left: auto;
  font: 500 11.5px/1.5 var(--f-mono);
  letter-spacing: 0.06em;
  color: var(--muted);
}

@media (max-width: 900px) {
  .sig__certs {
    margin-left: 0;
  }
}

/* ---------- sections ---------- */

.sec {
  padding-block: clamp(72px, 9vw, 136px);
}

.sec + .sec {
  border-top: 1px solid var(--line);
}

.sec__grid {
  display: grid;
  gap: 20px;
}

.sec__label {
  color: var(--muted);
}

.sec__label span {
  display: block;
  margin-top: 8px;
  color: var(--ink);
}

.sec__label--inline {
  margin-bottom: 16px;
}

@media (min-width: 1000px) {
  .sec__grid {
    grid-template-columns: minmax(200px, 3fr) 9fr;
    gap: 0;
  }

  .sec__label {
    padding-top: 10px;
    padding-right: 24px;
  }

  .sec__body {
    padding-left: clamp(32px, 4vw, 64px);
    border-left: 1px dashed var(--line);
  }
}

.h2 {
  max-width: 20ch;
  font: 300 clamp(2.05rem, 1.2rem + 3vw, 3.5rem) / 1.06 var(--f-display);
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.h3 {
  font: 400 clamp(1.35rem, 1.1rem + 0.8vw, 1.75rem) / 1.15 var(--f-display);
  letter-spacing: -0.015em;
}

.lead {
  margin-top: 20px;
  max-width: 62ch;
  font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.2rem);
  color: var(--ink-2);
}

/* about */

.about__lead {
  max-width: 30ch;
  font: 300 clamp(1.6rem, 1rem + 2.1vw, 2.6rem) / 1.2 var(--f-display);
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.about__row {
  display: grid;
  gap: 40px;
  margin-top: clamp(40px, 5vw, 72px);
}

@media (min-width: 900px) {
  .about__row {
    grid-template-columns: 5fr 6fr;
    gap: clamp(32px, 4vw, 64px);
    align-items: end;
  }
}

.facts > div {
  display: grid;
  grid-template-columns: minmax(9rem, 2fr) 3fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.facts > div:last-child {
  border-bottom: 1px solid var(--line);
}

.facts dt {
  font: 500 12px/1.5 var(--f-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 2px;
}

.facts dd {
  font-size: 16px;
}

.about__fig img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r);
}

.about__fig figcaption,
.contact__img figcaption {
  margin-top: 10px;
  font: 400 11.5px/1.4 var(--f-mono);
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- range ---------- */

.filters {
  display: flex;
  gap: 8px;
  margin: clamp(36px, 4vw, 56px) 0 20px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.filters::-webkit-scrollbar {
  display: none;
}

.filter {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 16px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 15px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.filter span {
  font: 400 11px/1 var(--f-mono);
  color: var(--muted);
}

.filter:hover {
  border-color: var(--ink);
}

.filter[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.filter[aria-pressed="true"] span {
  color: rgba(255, 255, 255, 0.7);
}

.grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

@media (min-width: 760px) {
  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(12px, 1.6vw, 20px) clamp(12px, 1.6vw, 20px) 0;
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.card[hidden] {
  display: none;
}

.card__open {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.card__img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  margin-bottom: 14px;
}

.card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card[data-cat="oem"] .card__img img {
  object-fit: cover;
  border-radius: 3px;
  transition: transform 0.6s var(--ease);
}

.card:hover .card__img img {
  transform: scale(1.035);
}

.card__rec {
  position: absolute;
  top: clamp(10px, 1.4vw, 16px);
  left: clamp(10px, 1.4vw, 16px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 9px 5px 8px;
  background: var(--paper);
  border-radius: 3px;
  font: 500 10.5px/1.2 var(--f-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card__rec i {
  width: 6px;
  height: 6px;
}

.card__brand {
  font: 500 11px/1.4 var(--f-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.card__name {
  margin-top: 4px;
  font: 400 clamp(1rem, 0.92rem + 0.35vw, 1.2rem) / 1.2 var(--f-display);
  letter-spacing: -0.01em;
}

.card__open:hover .card__name {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.card__short {
  margin-top: 4px;
  font-size: 14px;
  color: var(--muted);
}

.card__meta {
  margin-top: auto;
  padding-top: 14px;
  display: grid;
  gap: 6px;
  font-size: 13.5px;
  line-height: 1.35;
}

.card__meta > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px dashed var(--line-2);
}

.card__meta dt {
  color: var(--muted);
  flex: none;
}

.card__meta dd {
  text-align: right;
}

@media (max-width: 560px) {
  .card__meta > div {
    flex-direction: column;
    gap: 2px;
  }

  .card__meta dd {
    text-align: left;
  }

  .card__rec {
    font-size: 9.5px;
    padding: 4px 7px;
  }
}

/* discuss-on-WhatsApp button */

.add {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px calc(-1 * clamp(12px, 1.6vw, 20px)) 0;
  min-height: 50px;
  padding: 0 clamp(12px, 1.6vw, 20px);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--leaf);
  font-weight: 500;
  font-size: 14.5px;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.add:hover {
  background: var(--paper);
}

.add .i {
  width: 18px;
  height: 18px;
}

.add__short {
  display: none;
}

@media (max-width: 560px) {
  .card .add__long {
    display: none;
  }

  .card .add__short {
    display: inline;
  }
}

.add--wide,
.oem-card .add {
  margin: 24px 0 0;
  justify-content: center;
  border: 1px solid var(--leaf);
  border-radius: 4px;
}

.oem-card .add {
  margin-top: auto;
}

/* ---------- band (catalogue) ---------- */

.band {
  position: relative;
  display: grid;
  align-items: center;
  min-height: clamp(280px, 26vw, 380px);
  overflow: hidden;
  background: var(--leaf-2);
  color: #fff;
}

.band__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 30, 22, 0.88) 0%, rgba(10, 30, 22, 0.55) 55%, rgba(10, 30, 22, 0.3) 100%);
}

.band__in {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 48px;
}

.band__title {
  font: 300 clamp(1.8rem, 1.2rem + 2vw, 2.9rem) / 1.08 var(--f-display);
  letter-spacing: -0.02em;
}

.band__text {
  margin-top: 12px;
  max-width: 46ch;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- OEM ---------- */

.oem-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(32px, 4vw, 48px);
}

@media (min-width: 820px) {
  .oem-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.oem-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

.oem-card__img img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.oem-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 32px);
}

.oem-card__body > p {
  color: var(--ink-2);
}

.note {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14.5px;
  color: var(--muted) !important;
}

.oem-card .note {
  margin-bottom: 12px;
}

.oem__water {
  margin-top: 20px;
  font-size: 15px;
  color: var(--muted);
}

/* ---------- terms ---------- */

.terms {
  position: relative;
  overflow: hidden;
  padding-block: clamp(72px, 12vw, 168px);
  background: var(--leaf-2);
}

.terms__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 26, 19, 0.15), rgba(10, 26, 19, 0.45));
}

.terms__in {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.terms__card {
  width: 100%;
  max-width: 760px;
  padding: clamp(24px, 4vw, 56px);
  background: var(--white);
  border-radius: var(--r);
}

.rows {
  margin-top: 28px;
}

.rows > div {
  display: grid;
  gap: 4px 24px;
  padding: 16px 0;
  border-top: 1px solid var(--line-2);
}

@media (min-width: 640px) {
  .rows > div {
    grid-template-columns: 11rem 1fr;
  }
}

.rows dt {
  font-weight: 500;
  font-size: 15px;
}

.rows dd {
  font-size: 15.5px;
  color: var(--ink-2);
}

/* ---------- process ---------- */

.steps {
  list-style: none;
  display: grid;
  margin-top: clamp(32px, 4vw, 52px);
}

.steps li {
  position: relative;
  padding: 0 0 28px 48px;
}

.steps li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.steps li:last-child::before {
  display: none;
}

.steps__n {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 500 12px/1 var(--f-mono);
  background: var(--paper);
}

.steps h3 {
  padding-top: 3px;
  font: 400 1.2rem/1.25 var(--f-display);
}

.steps p {
  margin-top: 8px;
  font-size: 15.5px;
  color: var(--ink-2);
  max-width: 44ch;
}

@media (min-width: 1000px) {
  .steps {
    grid-template-columns: repeat(5, 1fr);
    gap: 0 24px;
  }

  .steps li {
    padding: 52px 0 0;
  }

  .steps li::before {
    left: 40px;
    right: -24px;
    top: 15px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
}

.regs {
  display: grid;
  gap: 8px 32px;
  margin-top: clamp(28px, 3vw, 44px);
  padding: 22px 24px;
  background: var(--paper-2);
  border-radius: var(--r);
}

@media (min-width: 820px) {
  .regs {
    grid-template-columns: 13rem 1fr;
  }
}

.regs h3 {
  font: 500 12px/1.5 var(--f-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 2px;
}

.regs p {
  font-size: 15px;
  color: var(--ink-2);
}

/* ---------- faq ---------- */

.faq {
  margin-top: clamp(28px, 3vw, 44px);
  border-bottom: 1px solid var(--line);
}

.faq details {
  border-top: 1px solid var(--line);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  list-style: none;
  cursor: pointer;
  font: 400 clamp(1.08rem, 1rem + 0.45vw, 1.35rem) / 1.3 var(--f-display);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary .i {
  transition: transform 0.25s var(--ease);
}

.faq details[open] summary .i {
  transform: rotate(45deg);
}

.faq summary:hover span {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.faq details p {
  padding: 0 0 24px;
  max-width: 64ch;
  color: var(--ink-2);
}

/* ---------- request ---------- */

.sec--request {
  background: var(--paper-2);
}

.request {
  display: grid;
  gap: 48px;
}

@media (min-width: 1040px) {
  .request {
    grid-template-columns: 7fr 5fr;
    gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }
}

.quest,
.quest__ok {
  margin-top: 32px;
  padding: clamp(20px, 3vw, 36px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.quest__progress {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.quest__step {
  font: 500 12px/1 var(--f-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  flex: none;
}

.quest__bar {
  flex: 1;
  height: 2px;
  background: var(--line-2);
}

.quest__bar i {
  display: block;
  width: var(--p, 25%);
  height: 100%;
  background: var(--leaf);
  transition: width 0.35s var(--ease);
}

.q,
.q__sub {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.q__legend {
  padding: 0;
  margin-bottom: 18px;
  font: 300 clamp(1.5rem, 1.2rem + 1vw, 2rem) / 1.15 var(--f-display);
  letter-spacing: -0.015em;
}

.q__sub {
  margin-top: 26px;
}

.q__sub legend {
  padding: 0;
  margin-bottom: 10px;
  font-weight: 500;
  font-size: 15px;
}

.choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.choice {
  position: relative;
}

.choice input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.choice span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 15px;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.choice span:hover {
  border-color: var(--ink);
}

.choice input:checked + span {
  background: var(--leaf);
  border-color: var(--leaf);
  color: #fff;
}

.choice input:focus-visible + span {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.choices--cards {
  display: grid;
}

@media (min-width: 600px) {
  .choices--cards {
    grid-template-columns: 1fr 1fr;
  }
}

.choices--cards .choice span {
  width: 100%;
  min-height: 56px;
  font-size: 16px;
}

.q__err {
  margin-top: 10px;
  color: var(--err);
  font-size: 14px;
}

.fields {
  display: grid;
  gap: 0 16px;
}

@media (min-width: 600px) {
  .fields {
    grid-template-columns: 1fr 1fr;
  }

  .field--wide {
    grid-column: 1 / -1;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 18px;
}

.field > span {
  font-size: 14px;
  font-weight: 500;
}

.field input,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  font: 400 16px/1.4 var(--f-body);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field textarea {
  padding: 12px 14px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--leaf);
  box-shadow: 0 0 0 3px rgba(23, 58, 44, 0.16);
}

.field.is-invalid input {
  border-color: var(--err);
}

.field__err {
  color: var(--err);
  font-size: 13.5px;
}

.q__consent {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--muted);
}

.quest__nav {
  display: flex;
  gap: 10px;
  margin-top: 30px;
}

.quest__nav [data-back] {
  margin-right: auto;
}

.quest__nav [data-next],
.quest__nav [data-submit] {
  margin-left: auto;
}

.quest__fail {
  margin-top: 14px;
  color: var(--err);
  font-size: 14.5px;
}

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

.quest__ok {
  display: grid;
  gap: 14px;
  justify-items: start;
}

.quest__ok[hidden] {
  display: none;
}

.quest__okmark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--leaf);
  color: #fff;
}

.quest__ok .i--check {
  width: 24px;
  height: 24px;
}

/* contact */

.contact__img {
  position: relative;
}

.contact__img img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border-radius: var(--r) var(--r) 0 0;
}

.contact__img figcaption {
  position: absolute;
  left: 16px;
  bottom: 12px;
  margin: 0;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.contact__card {
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--leaf);
  color: #fff;
  border-radius: 0 0 var(--r) var(--r);
}

.contact__card .sec__label {
  color: rgba(255, 255, 255, 0.7);
}

.contact__org {
  margin-top: 10px;
  font: 500 12.5px/1.4 var(--f-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold-2);
}

.contact__text {
  margin-top: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}

.contact__list {
  list-style: none;
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.contact__list a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  font-size: 16px;
  transition: background-color 0.2s, border-color 0.2s;
}

.contact__list a:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
}

.contact__list small {
  display: block;
  font: 500 10.5px/1.4 var(--f-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.contact__head {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
}

.contact__k {
  margin-bottom: 4px;
  font: 500 11px/1.4 var(--f-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- footer ---------- */

.ftr {
  padding: 56px 0 40px;
  background: var(--leaf-2);
  color: rgba(255, 255, 255, 0.82);
  font-size: 14.5px;
}

.ftr__in {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .ftr__in {
    grid-template-columns: 4fr 5fr 3fr;
    align-items: start;
  }
}

.ftr__logos {
  display: grid;
  gap: 22px;
  justify-items: start;
}

.ftr__logo img {
  height: 44px;
  width: auto;
}

.ftr__sig {
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0.85;
}

.ftr__sig img:first-child {
  height: 34px;
  width: auto;
}

.ftr__sig img:last-child {
  height: 9px;
  width: auto;
}

.ftr__links {
  list-style: none;
  display: grid;
  gap: 8px;
}

.ftr__links a:hover,
.ftr__small a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ftr__small {
  grid-column: 1 / -1;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font: 400 11.5px/1.5 var(--f-mono);
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- product dialog ---------- */

.pd {
  width: min(1080px, calc(100vw - 24px));
  max-width: none;
  max-height: calc(100dvh - 24px);
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  overflow: auto;
}

.pd::backdrop {
  background: rgba(10, 25, 18, 0.6);
}

.pd[open] {
  animation: pd-in 0.3s var(--ease);
}

@keyframes pd-in {
  from { opacity: 0; transform: translateY(12px); }
}

.pd__close {
  position: sticky;
  top: 12px;
  float: right;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 12px 12px 0 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.pd__in {
  display: grid;
}

@media (min-width: 860px) {
  .pd__in {
    grid-template-columns: 1fr 1fr;
  }

  .pd__media {
    border-right: 1px solid var(--line-2);
  }
}

.pd__media {
  padding: clamp(20px, 3vw, 36px);
}

.pd__main img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.pd__thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.pd__thumb {
  width: 64px;
  height: 64px;
  padding: 4px;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  cursor: pointer;
}

.pd__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pd__thumb[aria-pressed="true"] {
  border-color: var(--ink);
}

.pd__body {
  padding: clamp(20px, 3vw, 40px);
}

.pd__brand {
  font: 500 12px/1.4 var(--f-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.pd__title {
  margin-top: 6px;
  padding-right: 40px;
  font: 300 clamp(1.7rem, 1.3rem + 1.4vw, 2.4rem) / 1.1 var(--f-display);
  letter-spacing: -0.02em;
}

.pd__story {
  margin-top: 14px;
  color: var(--ink-2);
  font-size: 15.5px;
}

.pd__points {
  list-style: none;
  margin-top: 14px;
  display: grid;
  gap: 6px;
  font-size: 15px;
}

.pd__points li {
  position: relative;
  padding-left: 18px;
}

.pd__points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.pd__specs {
  margin-top: 22px;
}

.pd__specs > div {
  display: grid;
  grid-template-columns: minmax(8rem, 2fr) 3fr;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid var(--line-2);
  font-size: 14.5px;
}

.pd__specs dt {
  color: var(--muted);
}

.pd__variants {
  list-style: none;
  display: grid;
  gap: 2px;
}

.pd__specs .mono {
  font: 400 13.5px/1.5 var(--f-mono);
}

/* ---------- scroll-triggered motion ---------- */

@media (min-width: 1000px) {
  .steps[data-reveal] li::before {
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.7s var(--ease);
  }

  .steps[data-reveal] .steps__n {
    transition: background-color 0.4s, color 0.4s;
  }

  .steps.is-in li::before {
    transform: none;
  }

  .steps.is-in li:nth-child(2)::before { transition-delay: 0.35s; }
  .steps.is-in li:nth-child(3)::before { transition-delay: 0.7s; }
  .steps.is-in li:nth-child(4)::before { transition-delay: 1.05s; }

  .steps.is-in .steps__n {
    background: var(--leaf);
    border-color: var(--leaf);
    color: #fff;
  }

  .steps.is-in li:nth-child(2) .steps__n { transition-delay: 0.35s; }
  .steps.is-in li:nth-child(3) .steps__n { transition-delay: 0.7s; }
  .steps.is-in li:nth-child(4) .steps__n { transition-delay: 1.05s; }
  .steps.is-in li:nth-child(5) .steps__n { transition-delay: 1.4s; }
}

/* ---------- motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}