/* ==========================================================================
   VINFAST ELITE LANDING PAGE - LUXURY DARK / CHAMPAGNE GOLD
   Demo by HORA Studio
   ========================================================================== */

:root {
  --bg: #0b0b0d;
  --bg-alt: #101013;
  --panel: #141418;
  --line: rgba(216, 190, 141, 0.16);
  --line-soft: rgba(255, 255, 255, 0.07);

  --ivory: #f3eee5;
  --muted: #a9a49a;
  --dim: #6f6b64;

  --gold: #d8be8d;
  --gold-bright: #ecd9ae;
  --gold-deep: #a8895a;
  --gradient-gold: linear-gradient(120deg, #b4945f 0%, #ecd9ae 45%, #b4945f 100%);

  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Be Vietnam Pro', -apple-system, 'Segoe UI', sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  overflow-x: clip;
}

body {
  font-family: var(--sans);
  font-weight: 300;
  background: var(--bg);
  color: var(--ivory);
  line-height: 1.65;
  overflow-x: clip;
  position: relative;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select { font-family: inherit; }
img { max-width: 100%; display: block; }

.container {
  width: min(92%, var(--container));
  margin: 0 auto;
}

/* --- NEN: GLOW + GRAIN + PROGRESS --- */
.bg-scene {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(160px);
  animation: glow-drift 18s ease-in-out infinite alternate;
}

.glow-gold {
  width: 700px;
  height: 700px;
  background: rgba(216, 190, 141, 0.10);
  top: -220px;
  right: -180px;
}

.glow-blue {
  width: 640px;
  height: 640px;
  background: rgba(90, 110, 160, 0.10);
  bottom: -160px;
  left: -200px;
  animation-delay: 3s;
}

@keyframes glow-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-60px, 50px) scale(1.12); }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 2200;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 1001;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* --- TYPO CHUNG --- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.1rem;
}

.eyebrow-rule {
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  display: inline-block;
}

.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 1.2rem;
}

.section-title em {
  font-style: italic;
  background: var(--gradient-gold);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gold-sheen 5s linear infinite;
  padding-right: 0.06em;
}

@keyframes gold-sheen {
  to { background-position: 200% center; }
}

.section {
  padding: 7rem 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.015) 18%, rgba(255, 255, 255, 0.015) 82%, transparent);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
  position: relative;
}

/* Chu ghost sau tieu de */
[data-ghost]::before {
  content: attr(data-ghost);
  position: absolute;
  left: 50%;
  top: -0.5em;
  transform: translateX(-50%);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(4.5rem, 11vw, 8.5rem);
  line-height: 1;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(216, 190, 141, 0.09);
  pointer-events: none;
  user-select: none;
  z-index: -1;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2.2rem;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-out);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.25) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 0.7s ease;
}

.btn:hover::before {
  transform: translateX(130%);
}

.btn-gold {
  background: var(--gradient-gold);
  background-size: 200% auto;
  color: #17120a;
  box-shadow: 0 14px 34px rgba(180, 148, 95, 0.25);
}

.btn-gold:hover {
  background-position: right center;
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(180, 148, 95, 0.38);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--line);
}

.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(216, 190, 141, 0.07);
}

.btn-ghost {
  background: transparent;
  color: var(--ivory);
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.btn-ghost .arrow {
  transition: transform 0.3s var(--ease-out);
}

.btn-ghost:hover .arrow {
  transform: translateX(6px);
}

.btn-full { width: 100%; }

.link-gold {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: letter-spacing 0.3s var(--ease-out), color 0.3s;
}

.link-gold:hover {
  color: var(--gold-bright);
  letter-spacing: 0.14em;
}

/* --- HEADER --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.4rem 0;
  transition: all 0.35s var(--ease-out);
}

.site-header.scrolled {
  padding: 0.8rem 0;
  background: rgba(11, 11, 13, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--gold);
  position: relative;
}

/* Khung kim cuong xoay 45 do, chu V ben trong van dung thang */
.brand-mark::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid var(--line);
  border-radius: 3px;
  transform: rotate(45deg);
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.28em;
}

.brand-name em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gold);
  text-transform: none;
}

.nav {
  display: flex;
  gap: 2.4rem;
}

.nav-link {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  transition: color 0.3s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out);
}

.nav-link:hover {
  color: var(--ivory);
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.menu-toggle span {
  width: 26px;
  height: 1px;
  background: var(--ivory);
  transition: all 0.3s;
}

/* --- HERO --- */
.hero {
  padding: 11rem 0 5rem;
  text-align: center;
  position: relative;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.9rem, 7vw, 5.6rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
}

.hero-title em {
  font-style: italic;
  background: var(--gradient-gold);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gold-sheen 5s linear infinite;
  padding-right: 0.06em;
}

.hero-title span { display: block; }

.hero-sub {
  max-width: 560px;
  margin: 1.6rem auto 2.4rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  flex-wrap: wrap;
}

/* Hero entrance stagger */
@keyframes rise {
  from { opacity: 0; transform: translateY(36px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-line-1 { animation: rise 0.9s var(--ease-out) 0.1s both; }
.hero-line-2 { animation: rise 0.9s var(--ease-out) 0.22s both; display: block; }
.hero-line-3 { animation: rise 0.9s var(--ease-out) 0.36s both; display: block; }
.hero-line-4 { animation: rise 0.9s var(--ease-out) 0.5s both; }
.hero-line-5 { animation: rise 0.9s var(--ease-out) 0.64s both; }
.hero-line-6 { animation: rise 0.9s var(--ease-out) 1s both; }

/* Xe SVG ve net */
.hero-car {
  max-width: 760px;
  margin: 3rem auto 0;
  position: relative;
  animation: rise 1.1s var(--ease-out) 0.7s both;
}

.car-svg {
  width: 100%;
  height: auto;
}

.car-svg .draw {
  stroke: rgba(243, 238, 229, 0.55);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw-line 2.6s var(--ease-out) 1s forwards;
}

.car-svg .draw.slow {
  animation-delay: 1.7s;
  animation-duration: 2.2s;
  stroke: rgba(243, 238, 229, 0.3);
}

.car-svg .draw.gold {
  stroke: var(--gold);
  stroke-width: 2.4;
  animation-delay: 2.6s;
  filter: drop-shadow(0 0 6px rgba(216, 190, 141, 0.7));
}

@keyframes draw-line {
  to { stroke-dashoffset: 0; }
}

.car-shadow {
  width: 70%;
  height: 26px;
  margin: -6px auto 0;
  background: radial-gradient(ellipse at center, rgba(216, 190, 141, 0.22), transparent 70%);
  filter: blur(6px);
  animation: shadow-pulse 4.5s ease-in-out infinite alternate;
}

@keyframes shadow-pulse {
  from { opacity: 0.55; transform: scaleX(0.96); }
  to { opacity: 1; transform: scaleX(1.02); }
}

/* Thong so */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 4rem;
}

.stat {
  background: var(--bg);
  padding: 1.8rem 1rem;
  text-align: center;
}

.stat-num {
  font-family: var(--serif);
  font-size: 2.1rem;
  color: var(--gold-bright);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-num small {
  font-size: 0.9rem;
  color: var(--gold-deep);
  margin-left: 3px;
}

.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--dim);
  text-transform: uppercase;
}

/* --- MARQUEE --- */
.marquee {
  overflow: hidden;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-track span {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.7rem;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(216, 190, 141, 0.4);
}

.marquee-track i {
  font-style: normal;
  font-size: 0.6rem;
  color: var(--gold-deep);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* --- MODELS --- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1.4rem;
}

.model-card {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out), border-color 0.4s, box-shadow 0.5s;
}

.model-card:hover {
  transform: translateY(-8px);
  border-color: var(--line);
  box-shadow: 0 28px 50px rgba(0, 0, 0, 0.45);
}

.model-card.featured {
  border-color: rgba(216, 190, 141, 0.35);
}

.model-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #17120a;
  background: var(--gradient-gold);
  padding: 0.3rem 0.7rem;
}

.model-visual {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(216, 190, 141, 0.12), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.model-ghost {
  font-family: var(--serif);
  font-style: italic;
  font-size: 4.4rem;
  color: transparent;
  -webkit-text-stroke: 1px rgba(216, 190, 141, 0.35);
  transition: transform 0.6s var(--ease-out), -webkit-text-stroke-color 0.4s;
}

.model-card:hover .model-ghost {
  transform: scale(1.12) translateY(-4px);
  -webkit-text-stroke-color: rgba(236, 217, 174, 0.7);
}

.model-body {
  padding: 1.6rem 1.5rem 1.7rem;
}

.model-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
}

.model-tag {
  font-size: 0.8rem;
  color: var(--dim);
  letter-spacing: 0.06em;
  margin: 0.2rem 0 1.1rem;
}

.model-specs li {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line-soft);
}

.model-specs span { color: var(--muted); }
.model-specs strong { font-weight: 600; color: var(--ivory); }

.model-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.2rem;
}

.model-price {
  font-size: 0.82rem;
  color: var(--muted);
}

.model-price strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--gold-bright);
  font-weight: 500;
}

.fine-print {
  margin-top: 1.6rem;
  font-size: 0.76rem;
  color: var(--dim);
  text-align: center;
}

/* --- LUXURY GRID --- */
.luxury-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: 2.6rem 2rem;
}

.lux-item {
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  transition: border-color 0.4s;
}

.lux-item:hover {
  border-top-color: var(--gold);
}

.lux-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2rem;
  color: transparent;
  -webkit-text-stroke: 1px rgba(216, 190, 141, 0.45);
  margin-bottom: 0.8rem;
}

.lux-item h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.lux-item p {
  font-size: 0.88rem;
  color: var(--muted);
}

/* --- OFFERS --- */
.offer-panel {
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 85% 0%, rgba(216, 190, 141, 0.08), transparent 55%),
    var(--panel);
  padding: clamp(2rem, 5vw, 4.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.offer-panel::before,
.offer-panel::after {
  content: "";
  position: absolute;
  width: 60px;
  height: 60px;
  border: 1px solid var(--gold);
  opacity: 0.5;
}

.offer-panel::before {
  top: 12px;
  left: 12px;
  border-right: none;
  border-bottom: none;
}

.offer-panel::after {
  bottom: 12px;
  right: 12px;
  border-left: none;
  border-top: none;
}

.offer-content .eyebrow { justify-content: center; }

.offer-list {
  max-width: 520px;
  margin: 1.6rem auto 2.2rem;
  text-align: left;
}

.offer-list li {
  padding: 0.75rem 0 0.75rem 1.8rem;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 0.95rem;
  color: var(--muted);
  position: relative;
}

.offer-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.6rem;
  top: 1.1rem;
}

.offer-list strong {
  color: var(--gold-bright);
  font-weight: 600;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.2rem;
}

.cd-box {
  min-width: 76px;
  padding: 0.9rem 0.6rem;
  border: 1px solid var(--line);
  background: rgba(216, 190, 141, 0.04);
}

.cd-box span {
  display: block;
  font-family: var(--serif);
  font-size: 1.9rem;
  color: var(--gold-bright);
  line-height: 1;
}

.cd-box small {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

/* --- TEST DRIVE --- */
.td-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 4rem;
  align-items: center;
}

.td-desc {
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 420px;
}

.td-hotline {
  border-left: 2px solid var(--gold);
  padding-left: 1.2rem;
}

.td-hotline span {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.td-hotline a {
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--gold-bright);
  transition: color 0.3s;
}

.td-hotline a:hover { color: var(--gold); }

.td-form {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  padding: 2.4rem 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.field label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.field input,
.field select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  color: var(--ivory);
  font-size: 0.95rem;
  font-weight: 300;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(216, 190, 141, 0.12);
}

.field input::placeholder { color: var(--dim); }

.form-note {
  font-size: 0.75rem;
  color: var(--dim);
  text-align: center;
}

/* --- SPEC COMPARISON TABLE --- */
.container-narrow {
  width: min(92%, 820px);
  margin: 0 auto;
}

.specs-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  -webkit-overflow-scrolling: touch;
}

.specs-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.specs-table th,
.specs-table td {
  padding: 1rem 1.2rem;
  text-align: center;
  border-bottom: 1px solid var(--line-soft);
}

.specs-table tbody tr:last-child th,
.specs-table tbody tr:last-child td {
  border-bottom: none;
}

.specs-table thead th {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--gold-bright);
  background: rgba(216, 190, 141, 0.05);
}

.specs-table td:first-child {
  text-align: left;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.specs-table tbody td:not(:first-child) {
  color: var(--ivory);
  font-weight: 400;
}

.specs-table .col-featured {
  background: rgba(216, 190, 141, 0.06);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.specs-table tbody tr {
  transition: background 0.3s;
}

.specs-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.specs-table tbody tr:last-child td:not(:first-child) {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--gold-bright);
}

/* --- FINANCE CALCULATOR --- */
.finance-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.4rem;
  max-width: 940px;
  margin: 0 auto;
}

.finance-controls {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.fin-field label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.fin-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.fin-value {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gold-bright);
}

.fin-field select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  color: var(--ivory);
  font-size: 0.95rem;
  font-weight: 300;
}

.fin-field select:focus {
  outline: none;
  border-color: var(--gold);
}

/* Slider vang champagne */
input[type="range"] {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 2px;
  background: linear-gradient(90deg, var(--gold) var(--fill, 30%), rgba(255, 255, 255, 0.12) var(--fill, 30%));
  cursor: pointer;
  margin-top: 0.6rem;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-gold);
  border: 2px solid #17120a;
  box-shadow: 0 0 0 4px rgba(216, 190, 141, 0.18);
  transition: box-shadow 0.3s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 7px rgba(216, 190, 141, 0.25);
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #d8be8d;
  border: 2px solid #17120a;
  box-shadow: 0 0 0 4px rgba(216, 190, 141, 0.18);
}

.finance-result {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(216, 190, 141, 0.09), transparent 60%),
    var(--panel);
  border: 1px solid var(--line);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fin-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.88rem;
}

.fin-row span { color: var(--muted); }
.fin-row strong { font-weight: 600; color: var(--ivory); }

.fin-divider {
  height: 1px;
  background: var(--line-soft);
  margin: 0.4rem 0;
}

.fin-monthly {
  text-align: center;
  margin-bottom: 0.8rem;
}

.fin-monthly span {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.fin-monthly-num {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--gold-bright);
  line-height: 1.2;
  transition: opacity 0.2s;
}

/* --- TESTIMONIALS --- */
.testi-slider {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  min-height: 240px;
}

.testi-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s var(--ease-out);
  pointer-events: none;
}

.testi-slide.active {
  position: relative;
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.testi-quote {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  line-height: 1.55;
  color: var(--ivory);
  margin-bottom: 1.8rem;
}

.testi-quote::before {
  content: "“";
  display: block;
  font-size: 3.4rem;
  line-height: 0.6;
  color: var(--gold);
  margin-bottom: 0.9rem;
}

.testi-author strong {
  display: block;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.testi-author span {
  font-size: 0.8rem;
  color: var(--dim);
  letter-spacing: 0.05em;
}

.testi-dots {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 2.2rem;
}

.testi-dot {
  width: 26px;
  height: 2px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: background 0.3s;
  padding: 0;
}

.testi-dot.active {
  background: var(--gold);
}

/* --- OWNERSHIP PROCESS --- */
.process-grid {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.proc-step {
  flex: 1;
  padding: 0 1.4rem;
  text-align: center;
}

.proc-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.6rem;
  color: transparent;
  -webkit-text-stroke: 1px rgba(216, 190, 141, 0.5);
  margin-bottom: 1rem;
  line-height: 1;
}

.proc-step h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.proc-step p {
  font-size: 0.85rem;
  color: var(--muted);
}

.proc-connector {
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line), transparent);
  flex-shrink: 0;
}

/* --- FAQ ACCORDION --- */
.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--line-soft);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.4rem 2.6rem 1.4rem 0.2rem;
  font-size: 1.02rem;
  font-weight: 400;
  position: relative;
  transition: color 0.3s;
}

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

.faq-item summary:hover {
  color: var(--gold-bright);
}

.faq-icon {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.35s var(--ease-out);
}

.faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
}

.faq-icon::after {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
}

.faq-item[open] .faq-icon::after {
  transform: rotate(90deg);
}

.faq-item[open] summary {
  color: var(--gold-bright);
}

.faq-body {
  overflow: hidden;
}

.faq-body p {
  padding: 0 2.6rem 1.5rem 0.2rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.faq-body strong {
  color: var(--gold-bright);
  font-weight: 600;
}

/* --- FLOATING CONTACT --- */
.floating-contact {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
  transition: transform 0.3s var(--ease-out);
}

.float-btn:hover {
  transform: translateY(-3px) scale(1.06);
}

.float-zalo {
  background: #0068ff;
  color: #fff;
}

.float-phone {
  background: var(--gradient-gold);
  color: #17120a;
  animation: phone-pulse 2.4s infinite;
}

@keyframes phone-pulse {
  0% { box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45), 0 0 0 0 rgba(216, 190, 141, 0.5); }
  70% { box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45), 0 0 0 14px rgba(216, 190, 141, 0); }
  100% { box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45), 0 0 0 0 rgba(216, 190, 141, 0); }
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid var(--line-soft);
  padding: 3rem 0;
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-note {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--dim);
}

/* --- SCROLL REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 0.9s ease,
    transform 0.9s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

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

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .td-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .header-cta { display: none; }
  .finance-grid { grid-template-columns: 1fr; }

  .process-grid {
    flex-direction: column;
    gap: 2.4rem;
  }

  .proc-connector {
    width: 60%;
    height: 1px;
    margin: 0 auto;
    background: linear-gradient(90deg, transparent, var(--line), transparent);
  }

  .proc-step {
    padding: 0;
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
    padding: 2.2rem 0;
    background: rgba(11, 11, 13, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line-soft);
    transform: translateY(-140%);
    transition: transform 0.45s var(--ease-out);
  }

  .nav.open { transform: translateY(0); }

  .menu-toggle { display: flex; }

  .menu-toggle.open span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle.open span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

  .section { padding: 4.5rem 0; }
  .hero { padding-top: 8.5rem; }
  .countdown { flex-wrap: wrap; }
}

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

  .glow,
  .car-shadow,
  .marquee-track,
  .section-title em,
  .hero-title em,
  [class^="hero-line"],
  .hero-car,
  .float-phone {
    animation: none;
  }

  .testi-slide {
    transition: none;
  }

  .hero-line-1, .hero-line-2, .hero-line-3,
  .hero-line-4, .hero-line-5, .hero-line-6,
  .hero-car {
    opacity: 1;
    transform: none;
  }

  .car-svg .draw {
    animation: none;
    stroke-dashoffset: 0;
  }

  .btn::before { display: none; }

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