@font-face {
  font-family: "KIUMI Kitora";
  src: url("assets/fonts/kiumi-kitora-bold-v1.7.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "KIUMI FZ Poppins";
  src: url("assets/fonts/kiumi-fz-poppins-regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "KIUMI FZ Poppins";
  src: url("assets/fonts/kiumi-fz-poppins-bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --red: #ee0000;
  --red-dark: #b90000;
  --black: #090909;
  --charcoal: #171717;
  --steel: #4f5255;
  --white: #ffffff;
  --warm: #f5f2ed;
  --warm-deep: #e9e3db;
  --line: #d9d4cd;
  --ink: #101010;
  --muted: #626262;
  --radius-small: 8px;
  --radius: 18px;
  --radius-large: 30px;
  --container: 1240px;
  --header-height: 78px;
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.12);
  --shadow-hard: 10px 10px 0 #090909;
  --font-body: "KIUMI FZ Poppins", Arial, sans-serif;
  --font-display: "KIUMI FZ Poppins", Arial, sans-serif;
  --font-uppercase: "KIUMI Kitora", "KIUMI FZ Poppins", Arial, sans-serif;
  --font-accent: var(--font-uppercase);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.dialog-open {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.035em;
  font-weight: 700;
}

summary {
  font-family: var(--font-body);
  letter-spacing: -0.012em;
}

.eyebrow,
.button,
.desktop-nav,
.mobile-menu,
.entry-statement h2 span,
.entry-statement h2 strong,
.entry-caption,
.support-visual figcaption span,
.support-rail li > span,
.support-rail h3,
.journey-card figcaption span,
.construction-slide figcaption span,
.product-slide-header span,
.product-slide-header h3,
.product-item strong,
.model-card header,
.model-card h3,
.mobile-sticky-cta {
  font-family: var(--font-uppercase);
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 4.2vw, 4.75rem);
  line-height: 0.99;
}

h3 {
  line-height: 1.12;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: clamp(78px, 9vw, 140px);
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  padding: 12px 18px;
  border: 2px solid var(--black);
  background: var(--white);
  color: var(--black);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid #ffd400;
  outline-offset: 4px;
}

.eyebrow {
  margin-bottom: 15px;
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: var(--white);
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--red);
  border-radius: var(--radius-small);
  background: var(--red);
  color: var(--white);
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  background: var(--white);
  color: var(--red);
  transform: translateY(-2px);
}

.button:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.button-small {
  min-height: 44px;
  padding: 0 22px;
  font-size: 0.78rem;
}

.button-full {
  width: 100%;
  min-height: 56px;
  padding: 12px 22px;
}

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid #292929;
  background: var(--black);
  color: var(--white);
}

.header-inner {
  display: grid;
  width: min(calc(100% - 48px), 1360px);
  height: 100%;
  margin-inline: auto;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 30px;
}

.brand-logo {
  display: inline-flex;
  width: fit-content;
  text-decoration: none;
}

.brand-logo-surface,
.final-logo-surface {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 7px;
  background: var(--white);
}

.brand-logo-surface img,
.final-logo-surface img {
  width: 43px;
  height: 43px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(22px, 3vw, 48px);
  font-size: 0.79rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.desktop-nav a {
  position: relative;
  padding-block: 12px;
  text-decoration: none;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  background: var(--red);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle,
.mobile-menu {
  display: none;
}

/* Carousel core */
.carousel {
  position: relative;
}

.carousel-viewport {
  position: relative;
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 360ms ease, visibility 360ms ease;
}

.carousel-slide.is-active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.carousel-arrow {
  position: absolute;
  z-index: 4;
  top: 50%;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  background: rgba(9, 9, 9, 0.82);
  color: var(--white);
  cursor: pointer;
  font-size: 1.3rem;
  transform: translateY(-50%);
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.carousel-arrow:hover {
  border-color: var(--white);
  background: var(--red);
  transform: translateY(-50%) scale(1.04);
}

.carousel-prev {
  left: 28px;
}

.carousel-next {
  right: 28px;
}

.carousel-dots {
  position: absolute;
  z-index: 5;
  right: 0;
  bottom: 27px;
  left: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.carousel-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid var(--white);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: width 180ms ease, background-color 180ms ease;
}

.carousel-dots button.is-active {
  width: 34px;
  border-radius: 999px;
  background: var(--white);
}

/* Hero */
.hero {
  background: var(--black);
}

.hero-viewport {
  height: min(780px, calc(100svh - var(--header-height)));
  min-height: min(780px, calc(100svh - var(--header-height)));
  background: var(--charcoal);
}

.hero-slide,
.hero-slide.is-active {
  height: 100%;
}

.hero-slide picture,
.hero-slide img {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-slide img {
  object-fit: cover;
  object-position: center 47%;
}

.hero-slide figcaption {
  position: absolute;
  z-index: 3;
  right: max(84px, calc((100% - var(--container)) / 2));
  bottom: 70px;
  left: max(84px, calc((100% - var(--container)) / 2));
  display: flex;
  width: fit-content;
  max-width: min(680px, calc(100% - 168px));
  flex-direction: column;
  padding: 18px 22px;
  border-left: 6px solid var(--red);
  background: rgba(9, 9, 9, 0.87);
  color: var(--white);
}

.hero-slide figcaption strong {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 2.2rem);
  line-height: 1.05;
}

.hero-slide figcaption span {
  margin-top: 5px;
  color: #d1d1d1;
  font-size: 0.78rem;
}

/* Lead forms */
.lead-band,
.final-conversion {
  background: var(--black);
  color: var(--white);
}

.lead-band-top {
  padding-block: clamp(58px, 6vw, 90px);
  border-top: 8px solid var(--red);
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(600px, 1.55fr);
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
}

.form-intro h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 3.2vw, 3.6rem);
}

.form-intro > p:last-child,
.final-brand > p:not(.eyebrow) {
  max-width: 520px;
  margin-bottom: 0;
  color: #bdbdbd;
}

.lead-form {
  display: grid;
  padding: clamp(22px, 3vw, 38px);
  border-radius: var(--radius);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px 18px;
}

.lead-form-light {
  background: var(--white);
  color: var(--black);
}

.lead-form-dark {
  border: 1px solid #313131;
  background: #111111;
  color: var(--white);
}

.field {
  min-width: 0;
}

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

.field label,
.fieldset legend {
  display: block;
  margin-bottom: 7px;
  font-size: 0.78rem;
  font-weight: 800;
}

.field input:not([type="radio"]) {
  width: 100%;
  min-height: 50px;
  padding: 0 15px;
  border: 1px solid #c9c9c9;
  border-radius: 6px;
  background: var(--white);
  color: var(--black);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:not([type="radio"]):focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(238, 0, 0, 0.13);
  outline: none;
}

.field input[aria-invalid="true"] {
  border-color: var(--red);
  background: #fff5f5;
}

.fieldset {
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  flex-wrap: wrap;
  align-content: center;
  gap: 5px 18px;
}

.fieldset legend {
  width: 100%;
}

.radio-option {
  display: inline-flex !important;
  min-height: 30px;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.86rem !important;
  font-weight: 600 !important;
}

.radio-option input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--red);
}

.form-status,
.form-transparency {
  margin: 0;
  font-size: 0.76rem;
}

.form-transparency {
  color: #747474;
}

.lead-form-dark .form-transparency {
  color: #a0a0a0;
}

.form-status:empty {
  display: none;
}

.form-status.is-error,
.form-status.is-success {
  display: block;
  padding: 11px 13px;
  border-left: 4px solid currentColor;
  font-weight: 700;
}

.form-status.is-error {
  background: #fff2f2;
  color: #a30000;
}

.form-status.is-success {
  background: #edf8ef;
  color: #126524;
}

/* Entry and support */
.support-section {
  padding-block: clamp(86px, 10vw, 150px);
  border-top: 1px solid #2d2d2d;
  background: var(--black);
  color: var(--white);
}

.support-grid {
  display: grid;
  grid-template-columns: minmax(330px, 0.9fr) minmax(520px, 1.1fr);
  align-items: center;
  gap: clamp(60px, 9vw, 140px);
}

.entry-statement {
  position: sticky;
  top: calc(var(--header-height) + 40px);
}

.entry-statement h2 {
  display: grid;
  width: fit-content;
  margin-bottom: 5px;
  grid-template-columns: auto auto auto;
  align-items: end;
  gap: 12px;
  font-size: 1rem;
}

.entry-statement h2 span {
  padding-bottom: 20px;
  font-size: clamp(1.2rem, 2.2vw, 2rem);
  line-height: 1;
  text-transform: uppercase;
}

.entry-statement h2 strong {
  color: var(--red);
  font-size: clamp(7.5rem, 15vw, 12.5rem);
  line-height: 0.72;
  letter-spacing: -0.1em;
}

.entry-caption {
  margin-bottom: 28px;
  font-size: clamp(1.25rem, 2.6vw, 2.3rem);
  line-height: 1;
  text-transform: uppercase;
}

.conditional-note {
  max-width: 540px;
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--red);
  background: #151515;
  color: #bdbdbd;
  font-size: 0.8rem;
}

.support-visual {
  position: relative;
  overflow: hidden;
  max-width: 540px;
  margin: 28px 0 0;
  border: 1px solid #343434;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 8px 8px 0 var(--red);
}

.support-visual::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.support-visual img {
  width: 100%;
  height: auto;
}

.support-visual figcaption {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: #f7f4ef;
  color: var(--ink);
  font-size: 0.76rem;
}

.support-visual figcaption span {
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.support-visual figcaption strong {
  font-size: 0.74rem;
  text-align: right;
}

.support-rail {
  position: relative;
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 0;
}

.support-rail::before {
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 29px;
  width: 2px;
  background: var(--red);
  content: "";
}

.support-rail li {
  position: relative;
  display: grid;
  min-height: 118px;
  padding: 24px 0;
  border-bottom: 1px solid #2c2c2c;
  grid-template-columns: 60px 1fr;
  align-items: start;
  gap: 24px;
}

.support-rail li:last-child {
  border-bottom: 0;
}

.support-rail li > span {
  position: relative;
  z-index: 2;
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
}

.support-rail h3 {
  margin: 2px 0 4px;
  font-size: clamp(1.15rem, 2vw, 1.65rem);
  text-transform: uppercase;
}

.support-rail p {
  margin: 0;
  color: #a9a9a9;
}

/* Journey */
.journey {
  background: var(--warm);
}

.section-heading {
  max-width: 770px;
}

.section-heading.centered {
  margin-bottom: clamp(42px, 6vw, 74px);
  margin-inline: auto;
  text-align: center;
}

.section-heading.centered > p:last-child {
  max-width: 640px;
  margin: 0 auto;
  color: var(--muted);
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.journey-card {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.journey-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #ededed;
}

.journey-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.journey-card figcaption {
  display: flex;
  min-height: 102px;
  flex-direction: column;
  justify-content: center;
  padding: 18px 22px;
  border-top: 1px solid var(--line);
}

.journey-card figcaption span {
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.journey-card figcaption strong {
  margin-top: 5px;
  font-size: 1.02rem;
}

.model-disclaimer {
  margin-top: 26px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}

.journey-realproof {
  display: grid;
  margin-top: clamp(54px, 7vw, 92px);
  padding-top: clamp(44px, 6vw, 74px);
  border-top: 1px solid var(--line);
  grid-template-columns: minmax(240px, 0.38fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
}

.journey-realproof-copy h3 {
  max-width: 380px;
  margin: 0 0 16px;
  font-size: clamp(2rem, 3.7vw, 3.8rem);
  line-height: 0.98;
}

.journey-realproof-copy > p:last-child {
  max-width: 390px;
  margin: 0;
  color: var(--muted);
}

.construction-carousel {
  min-width: 0;
  padding-bottom: 46px;
}

.construction-viewport {
  min-height: 580px;
  overflow: hidden;
  border: 1px solid #242424;
  border-radius: var(--radius-large);
  background: var(--black);
  box-shadow: var(--shadow-soft);
}

.construction-slide,
.construction-slide.is-active {
  min-height: 580px;
}

.construction-slide.is-active {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(230px, 0.58fr);
}

.construction-media {
  position: relative;
  min-height: 580px;
  overflow: hidden;
  background: #171717;
}

.construction-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.22));
  content: "";
  pointer-events: none;
}

.construction-backdrop,
.construction-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.construction-backdrop {
  object-fit: cover;
  filter: blur(20px) brightness(0.46) saturate(0.8);
  transform: scale(1.12);
}

.construction-photo {
  z-index: 1;
  padding: 22px;
  object-fit: contain;
  filter: drop-shadow(0 16px 26px rgba(0, 0, 0, 0.36));
}

.construction-slide figcaption {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(28px, 4vw, 48px);
  border-left: 1px solid #2c2c2c;
  background: linear-gradient(155deg, #1a1a1a, #090909 72%);
  color: var(--white);
}

.construction-slide figcaption span {
  margin-bottom: 16px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.construction-slide figcaption strong {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.7vw, 2.8rem);
  line-height: 1;
}

.construction-slide figcaption p {
  margin: 18px 0 0;
  color: #a9a9a9;
  font-size: 0.84rem;
}

.construction-carousel .carousel-arrow {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(9, 9, 9, 0.86);
}

.construction-carousel .carousel-dots {
  bottom: 4px;
}

.construction-carousel .carousel-dots button {
  border-color: #767676;
}

.construction-carousel .carousel-dots button.is-active {
  border-color: var(--red);
  background: var(--red);
}

/* Product */
.product-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(76px, 8vw, 118px);
  background: var(--red);
  color: var(--white);
}

.product-section::before {
  position: absolute;
  z-index: -2;
  inset: -22px;
  background-image: url("assets/img/product-sharing-background-1122.webp");
  background-position: center 54%;
  background-size: cover;
  content: "";
  filter: blur(6px) saturate(0.82) brightness(0.66);
  opacity: 0.58;
  transform: scale(1.035);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 10%, #000 90%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0, #000 10%, #000 90%, transparent 100%);
}

.product-section::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: rgba(180, 0, 0, 0.2);
  content: "";
  pointer-events: none;
}

.product-heading {
  display: grid;
  margin-bottom: 38px;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: 50px;
}

.product-heading h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.3rem);
}

.product-heading > p {
  max-width: 480px;
  margin-bottom: 8px;
  color: #fff0f0;
}

.product-carousel {
  padding: 0 18px 60px;
}

.product-viewport {
  min-height: 450px;
  border: 2px solid var(--black);
  border-radius: var(--radius-large);
  background: rgba(255, 255, 255, 0.985);
  box-shadow: var(--shadow-hard);
}

.product-slide {
  min-height: 446px;
  padding: 34px clamp(54px, 6vw, 78px) 26px;
  color: var(--black);
}

.product-slide-header {
  display: flex;
  margin-bottom: 22px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.product-slide-header span {
  color: var(--red-dark);
  font-size: 0.76rem;
  letter-spacing: 0.11em;
}

.product-slide-header h3 {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.5rem);
  text-transform: uppercase;
}

.product-grid {
  display: grid;
  align-items: stretch;
  gap: clamp(14px, 2vw, 24px);
}

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

.product-grid-four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-item {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 14px 14px 18px;
  border: 1px solid #dedbd6;
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  outline: 0;
  cursor: zoom-in;
  transform: translateZ(0);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.product-item-media {
  display: grid;
  min-height: 0;
  aspect-ratio: 1.34 / 1;
  overflow: hidden;
  place-items: center;
  border-radius: 11px;
  background: var(--white);
}

.product-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 260ms ease;
}

.product-item strong {
  display: block;
  margin-top: 13px;
  font-size: clamp(0.9rem, 1.25vw, 1.12rem);
  line-height: 1.06;
  text-align: center;
  text-transform: uppercase;
}

.product-item:hover,
.product-item:focus-visible,
.product-item:focus-within {
  z-index: 3;
  border-color: var(--red);
  box-shadow: 0 22px 46px rgba(83, 0, 0, 0.22);
  transform: translateY(-8px) scale(1.045);
}

.product-item:hover img,
.product-item:focus-visible img,
.product-item:focus-within img {
  transform: scale(1.09);
}

.product-item:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
}

.product-slide figcaption {
  margin: 19px 0 0;
  color: #6e6e6e;
  font-size: 0.78rem;
  text-align: center;
}

.product-arrow {
  border-color: var(--black);
  background: var(--black);
}

.product-dots {
  bottom: 10px;
}

.product-dots button {
  border-color: var(--white);
}

/* Models */
.models {
  overflow: hidden;
  background: var(--white);
}

.model-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.model-card {
  overflow: hidden;
  border: 2px solid var(--red);
  border-radius: var(--radius);
  background: var(--white);
}

.model-card header {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 2px solid var(--red);
}

.model-card header span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--black);
  border-radius: 50%;
  font-size: 0.72rem;
}

.model-card h3 {
  margin: 0;
  color: var(--red);
  font-size: clamp(1.55rem, 2.8vw, 2.5rem);
}

.model-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--warm);
}

.model-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.model-card > p {
  min-height: 72px;
  margin: 0;
  padding: 22px;
  border-top: 1px solid var(--line);
  font-weight: 700;
  text-align: center;
}

/* FAQ */
.faq {
  border-top: 1px solid var(--line);
  background: var(--warm);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(50px, 9vw, 130px);
}

.faq-list {
  border-top: 2px solid var(--black);
}

.faq-list details {
  border-bottom: 1px solid #bfb9b1;
}

.faq-list summary {
  position: relative;
  padding: 27px 54px 27px 0;
  cursor: pointer;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 23px;
  right: 4px;
  color: var(--red);
  content: "+";
  font-size: 1.8rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 720px;
  margin: -6px 54px 28px 0;
  color: var(--muted);
}

/* Final conversion and social */
.final-conversion {
  padding-block: clamp(80px, 9vw, 130px);
  border-top: 8px solid var(--red);
}

.final-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(560px, 1.14fr);
  align-items: center;
  gap: clamp(54px, 8vw, 120px);
}

.final-logo-surface {
  width: 76px;
  height: 76px;
  margin-bottom: 34px;
}

.final-logo-surface img {
  width: 62px;
  height: 62px;
}

.final-brand h2 {
  max-width: 560px;
  font-size: clamp(2.4rem, 5vw, 5.2rem);
}

.social-actions {
  display: grid;
  max-width: 520px;
  margin-top: 34px;
  /* Match former Facebook + TikTok combined width (2 of 3 columns + 1 gap) */
  grid-template-columns: minmax(0, calc((100% - 20px) * 2 / 3 + 10px));
  gap: 10px;
}

.social-link {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid #555;
  border-radius: 6px;
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}

.social-link span {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-weight: 900;
}

.social-link:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
}

.social-link[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.44;
}

.site-footer {
  padding-block: 24px 110px;
  border-top: 1px solid #303030;
  background: var(--black);
  color: #858585;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.72rem;
}

/* Zalo dialog */
.zalo-dialog {
  width: min(92vw, 470px);
  max-height: calc(100dvh - 24px);
  overflow-y: auto;
  padding: 34px;
  border: 0;
  border-radius: var(--radius-large);
  background: var(--white);
  color: var(--black);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.45);
  text-align: center;
}

.zalo-dialog::backdrop {
  background: rgba(0, 0, 0, 0.78);
}

.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
  font-size: 1.7rem;
}

.dialog-logo {
  display: grid;
  width: 62px;
  height: 62px;
  margin: 0 auto 18px;
  place-items: center;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--line);
}

.dialog-logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.zalo-dialog h2 {
  margin-bottom: 10px;
  font-size: 1.7rem;
}

.zalo-dialog p {
  color: var(--muted);
}

.zalo-qr {
  width: min(100%, 300px);
  height: auto;
  margin: 24px auto;
  border: 1px solid var(--line);
}

.mobile-sticky-cta {
  display: none;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  :root {
    --container: 930px;
  }

  .header-inner {
    grid-template-columns: 64px 1fr auto;
  }

  .desktop-nav {
    gap: 20px;
  }

  .form-layout,
  .support-grid,
  .final-layout {
    gap: 46px;
  }

  .form-layout {
    grid-template-columns: 0.64fr 1.36fr;
  }

  .support-grid {
    grid-template-columns: 0.84fr 1.16fr;
  }

  .entry-statement h2 {
    gap: 8px;
  }

  .entry-statement h2 strong {
    font-size: 9rem;
  }

  .product-viewport {
    min-height: 450px;
  }

  .product-slide {
    min-height: 446px;
  }

  .product-item-media {
    aspect-ratio: 1.25 / 1;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 70px;
  }

  .container {
    width: min(calc(100% - 34px), 720px);
  }

  .header-inner {
    width: calc(100% - 28px);
    grid-template-columns: 1fr auto;
    gap: 14px;
  }

  .brand-logo-surface {
    height: 46px;
    width: 46px;
  }

  .brand-logo-surface img {
    width: 37px;
    height: 37px;
  }

  .desktop-nav,
  .desktop-header-cta {
    display: none;
  }

  .menu-toggle {
    display: grid;
    width: 48px;
    height: 48px;
    padding: 11px;
    border: 1px solid #4b4b4b;
    border-radius: 7px;
    background: transparent;
    cursor: pointer;
    gap: 5px;
  }

  .menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
  }

  .mobile-menu {
    position: absolute;
    top: 70px;
    right: 0;
    left: 0;
    display: grid;
    padding: 10px 17px 18px;
    border-top: 1px solid #2b2b2b;
    background: var(--black);
  }

  .mobile-menu[hidden] {
    display: none;
  }

  .mobile-menu a {
    padding: 15px 6px;
    border-bottom: 1px solid #2b2b2b;
    color: var(--white);
    font-size: 0.88rem;
    text-decoration: none;
    text-transform: uppercase;
  }

  .hero-viewport,
  .hero-slide,
  .hero-slide.is-active {
    height: 650px;
    min-height: 650px;
  }

  .hero-slide img {
    object-position: center;
  }

  .hero-slide figcaption {
    right: 68px;
    bottom: 58px;
    left: 68px;
    max-width: calc(100% - 136px);
  }

  .carousel-arrow {
    width: 48px;
    height: 48px;
  }

  .carousel-prev {
    left: 14px;
  }

  .carousel-next {
    right: 14px;
  }

  .form-layout,
  .support-grid,
  .final-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .form-intro,
  .final-brand {
    max-width: 680px;
  }

  .entry-statement {
    position: relative;
    top: auto;
  }

  .entry-statement h2 strong {
    font-size: 10rem;
  }

  .journey-grid {
    grid-template-columns: 1fr;
  }

  .journey-realproof {
    grid-template-columns: 1fr;
  }

  .journey-realproof-copy {
    display: grid;
    max-width: 780px;
    grid-template-columns: minmax(260px, 0.8fr) minmax(260px, 1fr);
    align-items: end;
    gap: 22px 40px;
  }

  .journey-realproof-copy .eyebrow {
    grid-column: 1 / -1;
    margin-bottom: -10px;
  }

  .journey-realproof-copy h3 {
    margin-bottom: 0;
  }

  .journey-media {
    aspect-ratio: 4 / 3;
  }

  .product-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-viewport {
    min-height: 520px;
  }

  .product-slide {
    min-height: 516px;
    padding-inline: 58px;
  }

  .product-grid-four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .model-track {
    width: 100%;
    padding-inline: 17px;
    overflow-x: auto;
    grid-template-columns: repeat(3, minmax(330px, 78vw));
    scroll-padding-left: 17px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .model-card {
    scroll-snap-align: start;
  }

  .faq-layout {
    gap: 38px;
  }

  .site-footer {
    padding-bottom: 96px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
  }

  .mobile-sticky-cta {
    position: fixed;
    z-index: 90;
    right: 12px;
    bottom: 12px;
    left: 12px;
    display: flex;
    min-height: 56px;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--white);
    border-radius: 8px;
    background: var(--red);
    color: var(--white);
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    transform: translateY(120%);
    transition: transform 220ms ease;
  }

  .mobile-sticky-cta.is-visible {
    transform: translateY(0);
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .container {
    width: calc(100% - 28px);
  }

  .section {
    padding-block: 76px;
  }

  .hero-viewport,
  .hero-slide {
    height: auto;
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .hero-slide.is-active {
    height: auto;
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .hero-slide img {
    object-fit: contain;
    object-position: center center;
    background: var(--black);
  }

  .hero-slide figcaption {
    display: none;
  }

  .carousel-arrow {
    top: 47%;
    width: 44px;
    height: 44px;
  }

  .hero-dots {
    bottom: 18px;
  }

  .lead-band-top {
    padding-block: 54px 64px;
  }

  .form-layout,
  .support-grid,
  .final-layout {
    gap: 34px;
  }

  .lead-form {
    padding: 18px;
    grid-template-columns: 1fr;
  }

  .lead-form .field,
  .lead-form .button,
  .lead-form .form-status,
  .lead-form .form-transparency {
    grid-column: 1;
  }

  .fieldset {
    gap: 8px 18px;
  }

  .radio-option {
    min-width: 132px;
  }

  .support-section {
    padding-block: 78px;
  }

  .entry-statement h2 {
    grid-template-columns: auto auto;
    gap: 6px 12px;
  }

  .entry-statement h2 span:first-child {
    grid-column: 1 / -1;
    padding: 0;
  }

  .entry-statement h2 span:last-child {
    padding-bottom: 16px;
  }

  .entry-statement h2 strong {
    font-size: 8.2rem;
  }

  .support-rail li {
    min-height: 110px;
    grid-template-columns: 50px 1fr;
    gap: 17px;
  }

  .support-rail::before {
    left: 24px;
  }

  .support-rail li > span {
    width: 50px;
    height: 50px;
  }

  .support-visual {
    margin-top: 24px;
    box-shadow: 6px 6px 0 var(--red);
  }

  .support-visual figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .support-visual figcaption strong {
    text-align: left;
  }

  .journey-card figcaption {
    min-height: 90px;
    padding: 15px 17px;
  }

  .journey-realproof {
    margin-top: 50px;
    padding-top: 48px;
  }

  .journey-realproof-copy {
    display: block;
  }

  .journey-realproof-copy .eyebrow {
    margin-bottom: 12px;
  }

  .journey-realproof-copy h3 {
    margin-bottom: 16px;
  }

  .construction-viewport,
  .construction-slide,
  .construction-slide.is-active {
    min-height: 690px;
  }

  .construction-slide.is-active {
    grid-template-columns: 1fr;
    grid-template-rows: 480px auto;
  }

  .construction-media {
    min-height: 480px;
  }

  .construction-photo {
    padding: 14px;
  }

  .construction-slide figcaption {
    min-height: 210px;
    padding: 26px 24px 30px;
    border-top: 1px solid #2c2c2c;
    border-left: 0;
  }

  .construction-carousel .carousel-arrow {
    top: 35%;
  }

  .product-section {
    padding-block: 70px;
  }

  .product-section::before {
    background-image: url("assets/img/product-sharing-background-720.webp");
    background-position: center 48%;
  }

  .product-carousel {
    width: calc(100% - 20px);
    padding-bottom: 48px;
  }

  .product-viewport {
    min-height: 520px;
    border-radius: 18px;
    box-shadow: 6px 6px 0 var(--black);
  }

  .product-slide {
    min-height: 516px;
    padding: 22px 38px 20px;
  }

  .product-slide-header {
    margin-bottom: 15px;
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .product-slide-header h3 {
    font-size: 1.35rem;
  }

  .product-grid-three,
  .product-grid-four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .product-item {
    padding: 8px 8px 12px;
    border-radius: 12px;
  }

  .product-item-media {
    aspect-ratio: 1.18 / 1;
    border-radius: 8px;
  }

  .product-item strong {
    min-height: 2.1em;
    margin-top: 8px;
    font-size: 0.76rem;
  }

  .product-item:hover,
  .product-item:focus-visible,
  .product-item:focus-within {
    transform: translateY(-3px) scale(1.018);
  }

  .product-arrow {
    width: 42px;
    height: 42px;
  }

  .product-carousel .carousel-prev {
    left: 8px;
  }

  .product-carousel .carousel-next {
    right: 8px;
  }

  .model-track {
    grid-template-columns: repeat(3, minmax(292px, 84vw));
    gap: 12px;
  }

  .model-card header {
    min-height: 70px;
  }

  .model-card > p {
    min-height: 62px;
    padding: 17px;
  }

  .social-actions {
    grid-template-columns: 1fr;
  }

  .zalo-dialog {
    padding: 22px 20px 24px;
  }

  .dialog-logo {
    width: 52px;
    height: 52px;
    margin-bottom: 12px;
  }

  .dialog-logo img {
    width: 40px;
    height: 40px;
  }

  .zalo-dialog h2 {
    margin-bottom: 6px;
    font-size: 1.4rem;
  }

  .zalo-dialog p {
    margin-bottom: 0;
    font-size: 0.86rem;
  }

  .zalo-qr {
    width: min(100%, 240px);
    margin: 14px auto 16px;
  }
}

@media (max-width: 460px) {
  .product-grid-three {
    grid-template-columns: 1fr;
  }

  .product-grid-three .product-item {
    padding: 12px 12px 14px;
  }

  .product-grid-three .product-item-media {
    aspect-ratio: 1.55 / 1;
  }

  .product-grid-three .product-item strong {
    min-height: 0;
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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