/* ============================================================
   Trần Nguyễn Decor — Landing page
   Luxury modern interior aesthetic
   ============================================================ */

:root {
  --cream:        #FAF7F2;
  --cream-2:      #F2EDE4;
  --cream-3:      #E8DFD2;
  --ink:          #15130F;
  --ink-soft:     #25221E;
  --muted:        #5A5249;
  --muted-2:      #7E7567;
  --line:         #DCD1BE;
  --line-2:       #C9BCA4;
  --wood:         #5A3818;
  --wood-deep:    #3D2511;
  --brass:        #A07A3F;
  --brass-deep:   #7A5C2E;
  --white:        #FFFFFF;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(26,24,21,.04), 0 2px 6px rgba(26,24,21,.04);
  --shadow-md: 0 4px 14px rgba(26,24,21,.06), 0 12px 32px rgba(26,24,21,.06);
  --shadow-lg: 0 12px 40px rgba(26,24,21,.10), 0 30px 60px rgba(26,24,21,.08);

  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans:  "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width:100%; display:block; }
button { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- Type ---------- */
.serif { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }
.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-deep);
  font-weight: 600;
}
.eyebrow .dot { display:inline-block; width:6px; height:6px; background: var(--brass); border-radius:50%; margin-right:10px; vertical-align: 2px; }

h1.display {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(44px, 7vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.018em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
h1.display em { font-style: italic; color: var(--wood); font-weight: 500; }

h2.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 0;
  text-wrap: balance;
}
h2.section-title em { font-style: italic; color: var(--wood); }

.lede {
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 56ch;
  text-wrap: pretty;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--ink);
  color: var(--cream);
  box-shadow: 0 8px 22px rgba(26,24,21,.18);
}
.btn-primary:hover { background: #000; }

.btn-brass {
  background: var(--brass);
  color: #fff;
  box-shadow: 0 8px 22px rgba(176,141,87,.30);
}
.btn-brass:hover { background: var(--brass-deep); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn-ghost:hover { background: var(--cream-2); border-color: var(--ink); }

.btn-block { width: 100%; }
.btn-lg { padding: 18px 28px; font-size: 16px; }
.btn-sm { padding: 11px 18px; font-size: 14px; }

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

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(250,247,242,0.86);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(224,214,197,0.6);
}
.nav-inner {
  display:flex; align-items:center; justify-content:space-between;
  height: 68px;
}
.logo {
  display:flex; align-items:center; gap:10px;
}
.logo-img {
  height: 56px;
  width: auto;
  display: block;
  /* trim the cream surround on the source PNG */
  margin: -10px -8px;
}
.logo-footer .logo-img {
  height: 96px;
  margin: -16px -10px -8px -12px;
}
@media (max-width: 600px) {
  .logo-img { height: 46px; margin: -6px; }
}
.logo-mark {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--cream);
  display:grid; place-items:center;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.logo-text {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1;
}
.logo-text small {
  display:block;
  font-family: var(--sans);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--brass-deep);
  text-transform: uppercase;
  margin-top: 3px;
}
.nav-links {
  display: none;
  gap: 28px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color .15s;
}
.nav-links a:hover { color: var(--wood); }
.nav-cta-wrap { display:flex; align-items:center; gap:10px; }
.nav-phone {
  display:none;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

@media (min-width: 880px) {
  .nav-links { display:flex; }
  .nav-phone { display:inline-flex; align-items:center; gap:8px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 56px 0 80px;
  overflow: hidden;
}
.hero::before {
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(60% 50% at 90% 10%, rgba(176,141,87,0.10), transparent 60%),
    radial-gradient(50% 40% at 0% 90%, rgba(107,68,35,0.06), transparent 60%);
  pointer-events:none;
}
.hero-grid {
  display:grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 64px; }
  .hero { padding: 80px 0 110px; }
}

.hero-eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--cream-2);
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 22px;
}
.hero-eyebrow .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 0 rgba(176,141,87, 0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(176,141,87, 0.55); }
  70%  { box-shadow: 0 0 0 10px rgba(176,141,87, 0); }
  100% { box-shadow: 0 0 0 0 rgba(176,141,87, 0); }
}

.hero-sub {
  margin-top: 22px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  max-width: 54ch;
  font-weight: 400;
  opacity: 0.88;
}
@media (min-width: 760px) {
  .hero-sub { font-size: 19px; }
}
.hero-ctas {
  margin-top: 32px;
  display:flex; flex-wrap: wrap; gap: 12px;
}
.hero-trusts {
  margin-top: 30px;
  display:flex; flex-wrap: wrap; gap: 10px 14px;
}
.trust-chip {
  display:inline-flex; align-items:center; gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
}
.trust-chip svg { color: var(--brass); flex: none; }

/* ---------- Hero visual (before / after card) ---------- */
.hero-visual {
  position: relative;
  aspect-ratio: 4/4.4;
  border-radius: var(--r-xl);
}
@media (min-width: 980px) {
  .hero-visual { aspect-ratio: 4/4.8; }
}
.ba-stack {
  position: relative;
  width: 100%;
  height: 100%;
}
.ba-card {
  position: absolute;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.6);
}
.ba-card .ba-img { width: 100%; height: 100%; object-fit: cover; }
.ba-card .ba-label {
  position: absolute;
  top: 14px; left: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(26,24,21,0.78);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  backdrop-filter: blur(8px);
}
.ba-card.before {
  top: 0; left: 0;
  width: 64%; height: 62%;
  transform: rotate(-1.5deg);
}
.ba-card.after {
  bottom: 0; right: 0;
  width: 72%; height: 70%;
  transform: rotate(1deg);
}
.ba-card.after .ba-label {
  background: linear-gradient(135deg, var(--wood), var(--wood-deep));
}

.hero-badge {
  position: absolute;
  top: 12%; right: -6px;
  background: var(--ink);
  color: var(--cream);
  padding: 12px 16px;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 600;
  display:flex; align-items:center; gap:10px;
  z-index: 4;
}
.hero-badge .glyph {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--brass);
  display:grid; place-items:center;
  color:#fff;
}
.hero-badge small {
  display:block;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  font-weight: 600;
  margin-bottom: 2px;
}

.hero-sub-badge {
  position: absolute;
  bottom: 5%; left: -4px;
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 10px 16px;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  display:flex; align-items:center; gap: 8px;
  z-index: 4;
}
.hero-sub-badge .dot {
  width:8px; height:8px; border-radius:50%; background: var(--wood);
}

/* ---------- Section base ---------- */
section.block {
  padding: 80px 0;
  position: relative;
}
@media (min-width: 880px) {
  section.block { padding: 110px 0; }
}
.block-head {
  text-align: center;
  margin-bottom: 56px;
}
.block-head .eyebrow { margin-bottom: 16px; display:inline-block; }
.block-head .lede { margin: 18px auto 0; }

.bg-cream-2 { background: var(--cream-2); }
.bg-ink {
  background: var(--ink);
  color: var(--cream);
}
.bg-ink .section-title,
.bg-ink .eyebrow { color: var(--cream); }
.bg-ink .lede { color: rgba(250,247,242,0.7); }

/* ---------- Pain points ---------- */
.pain-grid {
  display:grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 12px;
}
@media (min-width: 760px) {
  .pain-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; }
}
.pain-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px;
  display:flex; flex-direction: column; gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.pain-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pain-num {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 500;
  font-style: italic;
  color: var(--wood);
  line-height: 1;
}
.pain-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.25;
  margin: 0;
  color: var(--ink);
}
.pain-bridge {
  margin-top: 56px;
  padding: 28px 32px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, #FAF7F2 0%, #F2EDE4 100%);
  border: 1px solid var(--line);
  display:flex; align-items:center; gap: 20px;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
}
.pain-bridge .bar { width: 4px; height: 56px; background: var(--brass); border-radius: 2px; flex: none; }

/* ---------- How it works ---------- */
.steps-grid {
  display:grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 880px) {
  .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 28px; }
}
.step-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 28px 30px;
  display:flex; flex-direction: column; gap: 14px;
}
.step-num {
  position: absolute;
  top: -16px; left: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  display:grid; place-items:center;
  border: 4px solid var(--cream);
}
.step-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--cream-2);
  display:grid; place-items:center;
  color: var(--wood);
  margin-top: 4px;
}
.step-card h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  margin: 6px 0 0;
}
.step-card p {
  color: var(--muted);
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
}
.steps-cta-wrap {
  margin-top: 48px;
  display:flex; justify-content:center;
}

/* ---------- Form section ---------- */
.form-shell {
  display:grid;
  grid-template-columns: 1fr;
  gap: 40px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
@media (min-width: 920px) {
  .form-shell { grid-template-columns: 1fr 1.15fr; gap: 56px; padding: 56px; }
}
.form-side h2 { margin-bottom: 18px; }
.form-side .meta-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display:flex; flex-direction: column; gap: 14px;
}
.form-side .meta-list li {
  display:flex; align-items: flex-start; gap: 12px;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.form-side .meta-list .check {
  width: 22px; height: 22px; flex: none;
  border-radius: 50%;
  background: var(--brass);
  color: #fff;
  display:grid; place-items:center;
  margin-top: 1px;
}
.form-disclaimer {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--muted-2);
  line-height: 1.55;
  padding-top: 18px;
  border-top: 1px dashed var(--line-2);
}

.form-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
}

.step-pips {
  display:flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pip-bar {
  flex: 1;
  height: 4px;
  background: var(--cream-2);
  border-radius: 99px;
  overflow: hidden;
}
.pip-bar > div {
  height: 100%;
  background: var(--brass);
  border-radius: 99px;
  transition: width .3s ease;
}

.field { display:flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}
.input, .select, .textarea {
  width: 100%;
  border: 1px solid var(--line-2);
  background: var(--cream);
  border-radius: var(--r-md);
  padding: 13px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(176,141,87,0.12);
}
.textarea { resize: vertical; min-height: 90px; }

.chip-row {
  display:flex; flex-wrap: wrap; gap: 8px;
}
.chip {
  display:inline-flex; align-items:center; gap: 6px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--cream);
  border: 1px solid var(--line-2);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all .15s ease;
}
.chip:hover { border-color: var(--ink); }
.chip.active {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

.upload {
  border: 1.5px dashed var(--line-2);
  background: var(--cream);
  border-radius: var(--r-lg);
  padding: 28px 22px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
  display:flex; flex-direction: column; align-items: center; gap: 10px;
}
.upload:hover { border-color: var(--wood); background: #fff; }
.upload .ico {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--cream-2);
  color: var(--wood);
  display:grid; place-items:center;
}
.upload .ttl { font-weight: 600; font-size: 15px; color: var(--ink); }
.upload .sub { font-size: 13px; color: var(--muted); }
.upload-thumbs {
  display:flex; flex-wrap: wrap; gap: 8px;
  margin-top: 12px;
}
.upload-thumb {
  width: 64px; height: 64px;
  border-radius: 10px;
  background: var(--cream-2);
  border: 1px solid var(--line);
  display:grid; place-items:center;
  font-size: 10px;
  color: var(--muted);
  font-weight: 600;
  position: relative;
  overflow: hidden;
}
.upload-thumb img { width: 100%; height: 100%; object-fit: cover; }

.form-foot {
  display:flex; align-items:center; justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
}
.form-back {
  background: transparent;
  border: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  padding: 8px 0;
}
.form-back:hover { color: var(--ink); }

/* Thank you state */
.thanks {
  text-align: center;
  padding: 26px 12px;
}
.thanks .ring {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brass), var(--brass-deep));
  color: #fff;
  margin: 0 auto 18px;
  display:grid; place-items:center;
  box-shadow: 0 12px 28px rgba(176,141,87,0.35);
}
.thanks h3 {
  font-family: var(--serif);
  font-size: 26px;
  margin: 0 0 8px;
  font-weight: 500;
}
.thanks p { color: var(--muted); margin: 0 0 22px; font-size: 15px; }

/* ---------- Spaces grid ---------- */
.spaces-grid {
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (min-width: 760px) {
  .spaces-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
}
.space-card {
  position: relative;
  aspect-ratio: 1/1.15;
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
}
.space-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.space-card:hover img { transform: scale(1.05); }
.space-card::after {
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(26,24,21,0.78) 100%);
  pointer-events: none;
}
.space-card .label {
  position: absolute;
  bottom: 16px; left: 18px; right: 18px;
  color: #fff;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  z-index: 2;
  letter-spacing: -0.005em;
  pointer-events: none;
}

/* ---------- Styles ---------- */
.styles-grid {
  display:grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 720px) { .styles-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px){ .styles-grid { grid-template-columns: repeat(5, 1fr); gap: 14px; } }

.style-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display:flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.style-card:hover {
  transform: translateY(-4px);
  border-color: var(--wood);
  box-shadow: var(--shadow-md);
}
.style-img {
  aspect-ratio: 4/3;
  background: var(--cream-2);
  overflow: hidden;
}
.style-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.style-card:hover .style-img img { transform: scale(1.04); }
.style-body { padding: 20px 22px 24px; }
.style-body h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 6px;
}
.style-body p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

/* ---------- Before / After slider ---------- */
.ba-section .ba-wrap {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.ba-compare {
  position: relative;
  aspect-ratio: 16/10;
  user-select: none;
  background: #000;
  overflow: hidden;
  touch-action: none;
}
.ba-compare .ba-pane {
  position: absolute; inset: 0;
}
.ba-compare .ba-pane img { width:100%; height:100%; object-fit:cover; }
.ba-compare .after-pane {
  clip-path: inset(0 0 0 var(--pos, 50%));
}
.ba-compare .ba-tag {
  position: absolute;
  top: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.2em;
  font-weight: 600;
  text-transform: uppercase;
  color: #fff;
  backdrop-filter: blur(8px);
  z-index: 3;
}
.ba-tag.before { left: 18px; background: rgba(26,24,21,0.65); }
.ba-tag.after  { right: 18px; background: rgba(107,68,35,0.85); }
.ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--pos, 50%);
  width: 2px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.06);
  z-index: 4;
  transform: translateX(-1px);
}
.ba-handle .grip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  transform: translate(-50%,-50%);
  display:grid; place-items:center;
  box-shadow: 0 8px 22px rgba(0,0,0,0.25);
  cursor: ew-resize;
}
.ba-hint {
  text-align: center;
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- Why us ---------- */
.why-grid {
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 760px) { .why-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; } }
@media (min-width: 1080px){ .why-grid { grid-template-columns: repeat(4, 1fr); } }
.why-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(232,223,210,0.16);
  border-radius: var(--r-lg);
  padding: 30px 26px;
  display:flex; flex-direction: column; gap: 14px;
}
.why-card .ico {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(176,141,87,0.18);
  color: var(--brass);
  display:grid; place-items:center;
}
.why-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  margin: 0;
  color: var(--cream);
}
.why-card p {
  margin: 0;
  color: rgba(250,247,242,0.62);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ---------- Process timeline ---------- */
.process {
  position: relative;
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 880px;
  margin: 0 auto;
}
@media (min-width: 880px) {
  .process {
    grid-template-columns: 1fr;
  }
}
.process-step {
  display:grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.process-step:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.process-step .ix {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--cream-2);
  color: var(--wood);
  display:grid; place-items:center;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  border: 1px solid var(--line);
}
.process-step.active .ix {
  background: var(--brass);
  color: #fff;
  border-color: var(--brass);
}
.process-step h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  margin: 4px 0 6px;
}
.process-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display:flex; flex-direction: column;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 24px 4px;
  display:flex; align-items: center; justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.005em;
}
.faq-q .plus {
  flex: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  display:grid; place-items:center;
  transition: transform .25s ease, background .2s ease, color .2s ease;
  color: var(--ink-soft);
}
.faq-item.open .faq-q .plus {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-a-inner {
  padding: 0 4px 26px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.65;
  max-width: 64ch;
}
.faq-item.open .faq-a { max-height: 280px; }

/* ---------- Final CTA ---------- */
.final-cta {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--ink);
  color: var(--cream);
  padding: 56px 36px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}
@media (min-width: 920px) {
  .final-cta {
    grid-template-columns: 1.2fr 1fr;
    padding: 80px 64px;
    gap: 48px;
  }
}
.final-cta::before {
  content:"";
  position:absolute; inset: 0;
  background:
    radial-gradient(40% 60% at 100% 0%, rgba(176,141,87,0.28), transparent 60%),
    radial-gradient(50% 60% at 0% 100%, rgba(107,68,35,0.30), transparent 60%);
  pointer-events: none;
}
.final-cta h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--cream);
  position: relative;
}
.final-cta h2 em { color: var(--brass); font-style: italic; }
.final-cta p {
  margin: 14px 0 0;
  color: rgba(250,247,242,0.72);
  font-size: 16px;
  line-height: 1.6;
  position: relative;
  max-width: 52ch;
}
.final-cta-actions {
  position: relative;
  display:flex; flex-wrap: wrap; gap: 12px;
}
.final-cta .btn-ghost {
  color: var(--cream);
  border-color: rgba(250,247,242,0.3);
}
.final-cta .btn-ghost:hover { background: rgba(250,247,242,0.08); border-color: var(--cream); }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--cream-2);
  border-top: 1px solid var(--line);
  padding: 60px 0 32px;
  font-size: 14px;
  color: var(--ink-soft);
}
@media (min-width: 880px) { footer.site-footer { padding-bottom: 40px; } }

.footer-grid {
  display:grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
}
.footer-grid h4 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-deep);
  margin: 0 0 14px;
}
.footer-grid ul {
  list-style: none;
  padding: 0; margin: 0;
  display:flex; flex-direction: column; gap: 8px;
  color: var(--ink-soft);
}
.footer-grid a:hover { color: var(--wood); }
.footer-grid .brand-blurb {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  max-width: 38ch;
}
.footer-bot {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display:flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(26,24,21,0.55);
  backdrop-filter: blur(4px);
  z-index: 100;
  display:grid; place-items:center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal-card {
  background: var(--cream);
  border-radius: var(--r-xl);
  max-width: 760px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.98);
  transition: transform .25s ease;
  position: relative;
}
.modal-backdrop.open .modal-card { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--cream-2);
  border: 1px solid var(--line);
  display:grid; place-items:center;
  cursor: pointer;
  z-index: 5;
}
.modal-close:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); }

.modal-head {
  padding: 36px 36px 8px;
  text-align: center;
}
.modal-head .eyebrow { display:inline-block; margin-bottom: 12px; }
.modal-head h3 {
  font-family: var(--serif);
  font-size: clamp(24px, 3.5vw, 30px);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}
.modal-head p {
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  max-width: 48ch;
}
.modal-choices {
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 28px 36px 36px;
}
@media (min-width: 640px) {
  .modal-choices { grid-template-columns: 1fr 1fr; gap: 18px; }
}
.choice-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  display:flex; flex-direction: column; gap: 14px;
  text-align: left;
  cursor: pointer;
  transition: all .2s ease;
  position: relative;
}
.choice-card:hover {
  border-color: var(--wood);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.choice-card.zalo:hover { border-color: #008CFF; }
.choice-card .ico {
  width: 48px; height: 48px;
  border-radius: 12px;
  display:grid; place-items:center;
  color: #fff;
}
.choice-card.zalo .ico { background: #0068FF; }
.choice-card.form .ico { background: var(--ink); }
.choice-card h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  margin: 0;
}
.choice-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.choice-card .go {
  margin-top: 8px;
  font-weight: 600;
  font-size: 14px;
  display:inline-flex; align-items:center; gap: 6px;
  color: var(--ink);
}
.choice-card.zalo .go { color: #0068FF; }

/* ---------- Sticky mobile CTA + Zalo float ---------- */
.sticky-cta {
  position: fixed;
  left: 12px; right: 12px;
  bottom: 12px;
  z-index: 70;
  display: none;
}
.sticky-cta .btn { width: 100%; box-shadow: 0 12px 30px rgba(26,24,21,0.25); }
@media (max-width: 879px) {
  .sticky-cta { display:flex; }
}
.float-zalo {
  position: fixed;
  right: 14px;
  bottom: 76px;
  z-index: 70;
  display:flex; align-items:center; gap: 10px;
  padding: 10px 14px 10px 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink);
}
.float-zalo .z-ico {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #0068FF;
  color: #fff;
  display:grid; place-items:center;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  font-family: var(--sans);
}
@media (min-width: 880px) {
  .float-zalo { right: 22px; bottom: 22px; }
}

/* ---------- Tiny utility ---------- */
.center { display:flex; justify-content:center; align-items:center; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

@media (max-width: 879px) {
  body { padding-bottom: 84px; } /* room for sticky CTA */
}

/* ---------- Hero microtrust line ---------- */
.hero-microtrust {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.005em;
}
.hero-microtrust .sep { color: var(--brass); font-weight: 700; }

/* ---------- Hero flow arrow (between before/after) ---------- */
.flow-arrow {
  position: absolute;
  top: 48%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(20deg);
  z-index: 3;
  pointer-events: none;
}
.flow-arrow-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--cream);
  color: var(--wood);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 24px rgba(26,24,21,0.18), 0 0 0 6px rgba(250,247,242,0.85);
}

@media (max-width: 600px) {
  .flow-arrow { display: none; }
}

/* ---------- Mini CTA strip after hero ---------- */
.mini-strip-wrap {
  margin: -28px 0 0;
  position: relative;
  z-index: 5;
}
.mini-strip {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: center;
  box-shadow: var(--shadow-md);
}
.mini-thumb {
  width: 56px; height: 56px;
  border-radius: 12px;
  overflow: hidden;
  flex: none;
  display: none;
}
.mini-thumb img { width: 100%; height: 100%; object-fit: cover; }
.mini-copy h3 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.mini-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.45;
}
.mini-cta { width: 100%; }

@media (min-width: 760px) {
  .mini-strip {
    grid-template-columns: 64px 1fr auto;
    padding: 22px 28px;
    gap: 22px;
  }
  .mini-thumb { display: block; }
  .mini-cta { width: auto; }
}

/* ---------- BA section CTA ---------- */
.ba-cta-wrap {
  margin-top: 26px;
  display: flex;
  justify-content: center;
}

/* ---------- Sticky CTA mobile layout (now with Zalo button) ---------- */
.sticky-cta {
  gap: 10px;
}
.sticky-cta .btn { flex: 1; }
.sticky-zalo {
  flex: none;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #0068FF;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px rgba(0,104,255,0.35);
}

/* Hide the bottom floating Zalo on small mobile since it's now in sticky CTA bar */
@media (max-width: 879px) {
  .float-zalo { display: none; }
}

/* ---------- Footer services line ---------- */
.brand-services {
  margin: 12px 0 0;
  font-size: 13.5px;
  color: var(--brass-deep);
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ---------- Hero card refinements ---------- */
@media (max-width: 600px) {
  .hero { padding: 36px 0 60px; }
  .hero-eyebrow { font-size: 11px; padding: 7px 14px; }
  .hero-sub { font-size: 16px; }
  .ba-card.before { width: 60%; height: 56%; }
  .ba-card.after  { width: 76%; height: 70%; }
}

/* ---------- Better text contrast for small captions ---------- */
.lede { color: var(--ink-soft); }
.bg-ink .lede { color: rgba(250,247,242,0.8); }
.step-card p { color: var(--ink-soft); }
.style-body p { color: var(--ink-soft); }
.process-step p { color: var(--ink-soft); }
.faq-a-inner { color: var(--ink-soft); }
.why-card p { color: rgba(250,247,242,0.78); }
.pain-card h3 { color: var(--ink); }

/* Sub-only break on medium+ screens */
.only-md { display: none; }
@media (min-width: 600px) { .only-md { display: inline; } }

/* ============================================================
   v3 CRO refinements
   ============================================================ */

/* Big primary CTA */
.btn-xl {
  padding: 24px 36px;
  font-size: 18px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.005em;
  min-height: 60px;
}
.btn-xl .arrow { width: 20px; height: 20px; }

.btn-primary.hero-cta-main {
  background: var(--ink);
  color: var(--cream);
  box-shadow: 0 14px 36px rgba(26,24,21,0.28), inset 0 0 0 1px rgba(176,141,87,0.45);
  position: relative;
  overflow: hidden;
}
.btn-primary.hero-cta-main::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 35%, rgba(176,141,87,0.18) 50%, transparent 65%);
  transform: translateX(-100%);
  transition: transform .6s ease;
}
.btn-primary.hero-cta-main:hover::after { transform: translateX(100%); }
.btn-primary.hero-cta-main:hover {
  background: #000;
  box-shadow: 0 18px 42px rgba(26,24,21,0.34), inset 0 0 0 1px rgba(176,141,87,0.65);
}

/* Outline (secondary brass) */
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--brass);
}
.btn-outline:hover { background: var(--brass); color: #fff; border-color: var(--brass); }

/* Zalo branded button */
.btn-zalo {
  background: #0068FF;
  color: #fff;
  border: none;
  white-space: nowrap;
}
.btn-zalo:hover { background: #0052CC; }

/* Mini strip stronger */
.mini-strip {
  background: linear-gradient(135deg, #FFFFFF 0%, #FAF5EC 100%);
  border: 1px solid var(--line-2);
  box-shadow: 0 12px 36px rgba(26,24,21,0.10), inset 0 0 0 1px rgba(176,141,87,0.18);
  position: relative;
}
.mini-strip::before {
  content: "";
  position: absolute;
  left: 0; top: 12px; bottom: 12px;
  width: 4px;
  background: var(--brass);
  border-radius: 0 4px 4px 0;
}
.mini-thumb {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--brass);
  display: grid;
  place-items: center;
  flex: none;
}

.mini-cta {
  background: var(--ink) !important;
  color: var(--cream) !important;
  box-shadow: 0 14px 30px rgba(26,24,21,0.30), inset 0 0 0 1.5px rgba(176,141,87,0.55) !important;
  font-weight: 700;
}
.mini-cta:hover {
  background: #000 !important;
}

/* Form steps bar (visual progress) */
.form-steps-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  padding: 14px 12px;
  background: var(--cream-2);
  border-radius: 12px;
}
.fs-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  flex: none;
  opacity: 0.5;
  transition: opacity .2s ease;
}
.fs-step.active { opacity: 1; }
.fs-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--line-2);
  color: var(--muted);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
}
.fs-step.active .fs-num {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
  box-shadow: 0 4px 12px rgba(26,24,21,0.2);
}
.fs-lbl {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.fs-line {
  flex: 1;
  height: 2px;
  background: var(--line-2);
  border-radius: 2px;
  min-width: 8px;
}
@media (max-width: 480px) {
  .fs-lbl { display: none; }
  .fs-step { padding: 4px; }
}

/* Zalo alt within form */
.zalo-alt {
  margin-top: 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #F0F6FF 0%, #E7F0FF 100%);
  border: 1px solid #C8DCFF;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.zalo-alt-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.zalo-alt-ic {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #0068FF;
  color: #fff;
  display: grid;
  place-items: center;
  flex: none;
}
.zalo-alt-info > div { display: flex; flex-direction: column; line-height: 1.2; }
.zalo-alt-info strong { color: var(--ink); font-size: 14px; }
.zalo-alt-info span { color: #1B4FA6; font-size: 13px; }

/* Before/After CTA stronger */
.ba-cta-wrap {
  margin-top: 22px;
  flex-direction: column;
}
.ba-cta-main {
  box-shadow: 0 14px 36px rgba(160,122,63,0.40);
}
.ba-cta-sub {
  margin: 10px 0 0;
  font-size: 13.5px;
  color: var(--ink-soft);
  font-weight: 500;
}

/* Dark section text contrast bump */
.bg-ink .why-card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(232,223,210,0.22);
}
.bg-ink .why-card p {
  color: rgba(250,247,242,0.92);
  font-size: 15px;
}
.bg-ink .why-card .ico {
  background: rgba(176,141,87,0.28);
  color: #E2B782;
}

/* FAQ answer bigger & cleaner */
.faq-a-inner {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.faq-q { font-size: 20px; }
@media (min-width: 720px) {
  .faq-q { font-size: 22px; }
  .faq-a-inner { font-size: 16.5px; }
}

/* Hero CTA spacing on mobile */
@media (max-width: 600px) {
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
}

/* Final CTA bigger button */
.final-cta-actions .btn-xl {
  box-shadow: 0 16px 40px rgba(160,122,63,0.50);
}

/* "Khác" input below chip row */
.chip-other-input {
  margin-top: 10px;
  background: #fff;
  border-color: var(--brass);
  box-shadow: 0 0 0 4px rgba(176,141,87,0.10);
}

/* Field-level error state */
.input.input-error,
.input.input-error:focus {
  border-color: #C73E3A;
  box-shadow: 0 0 0 4px rgba(199,62,58,0.10);
}
.field-error {
  margin-top: 6px;
  font-size: 12.5px;
  color: #B0322E;
  font-weight: 500;
}

/* ============================================================
   Image-slot integration — user-fillable images
   ============================================================ */
image-slot {
  display: block;
}
/* Hero before/after, BA slider — fill the card */
.ba-card .ba-img-slot,
.ba-pane .card-img-slot {
  width: 100%;
  height: 100%;
}
/* Spaces grid cards — fill the aspect-ratio box */
.space-card .card-img-slot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.space-card .card-img-slot,
.space-card .card-img-slot::part(root) { border-radius: 0; }
/* Style cards — fill the 4:3 image area */
.style-img .card-img-slot {
  width: 100%;
  height: 100%;
}

/* ============================================================
   v4 final CRO refinements
   ============================================================ */

/* Upload bigger / bolder */
.upload-hero {
  padding: 36px 24px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%);
  border: 2px dashed var(--line-2);
  position: relative;
}
.upload-hero:hover {
  background: #FFFFFF;
  border-color: var(--wood);
  box-shadow: inset 0 0 0 1px rgba(176,141,87,0.18);
}
.upload-hero .ico-lg {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: var(--ink);
  color: var(--brass);
  box-shadow: 0 10px 24px rgba(26,24,21,0.18);
}
.upload-hero .ttl {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.upload-hero .sub {
  font-size: 13.5px;
  color: var(--ink-soft);
  max-width: 36ch;
  line-height: 1.5;
}
.upload-multi {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--brass-deep);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Zalo box — prominent separate block under form (brand-aligned) */
.zalo-box {
  margin-top: 28px;
  background: linear-gradient(135deg, #F7F1E5 0%, #EEDFC4 100%);
  border: 1.5px solid var(--line-2);
  border-radius: var(--r-lg);
  padding: 24px 26px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.zalo-box::before {
  content: "";
  position: absolute;
  right: -40px; top: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(160,122,63,0.18), transparent 70%);
  pointer-events: none;
}
.zalo-box-ic {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--brass);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 22px rgba(26,24,21,0.20);
  flex: none;
}
.zalo-box-copy h4 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.2;
}
.zalo-box-copy p {
  margin: 0;
  color: var(--wood-deep);
  font-size: 14.5px;
  line-height: 1.55;
}

@media (min-width: 720px) {
  .zalo-box {
    grid-template-columns: auto 1fr auto;
    gap: 22px;
    padding: 26px 32px;
  }
}

/* Larger Zalo button (brand-aligned tone) */
.zalo-box .btn-zalo {
  background: var(--ink);
  color: var(--cream);
  white-space: nowrap;
  box-shadow: 0 12px 28px rgba(26,24,21,0.28), inset 0 0 0 1.5px rgba(176,141,87,0.55);
  font-weight: 700;
  padding: 16px 26px;
}
.zalo-box .btn-zalo:hover {
  background: #000;
  box-shadow: 0 16px 34px rgba(26,24,21,0.36), inset 0 0 0 1.5px rgba(176,141,87,0.75);
}

/* FAQ spacing */
.faq-q {
  padding: 32px 6px;
  font-size: 20px;
}
@media (min-width: 720px) {
  .faq-q { padding: 34px 8px; font-size: 22px; }
}
.faq-a-inner {
  padding: 0 6px 32px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}
@media (min-width: 720px) {
  .faq-a-inner { font-size: 17px; padding: 0 8px 32px; }
}
.faq-item.open .faq-a { max-height: 360px; }

/* Dark section card description bigger */
.bg-ink .why-card {
  padding: 32px 28px;
  background: rgba(255,255,255,0.045);
  border-color: rgba(232,223,210,0.20);
}
.bg-ink .why-card h3 {
  font-size: 24px;
  color: #FFFEFB;
}
.bg-ink .why-card p {
  font-size: 16px;
  line-height: 1.7;
  color: #ECE4D5;
}
.bg-ink .why-card .ico {
  background: rgba(176,141,87,0.32);
  color: #F0CD96;
}

/* Trust chip slightly more contrast (since we trimmed list) */
.trust-chip {
  font-size: 13.5px;
  padding: 9px 15px;
  font-weight: 600;
  color: var(--ink);
}
.trust-chip svg { color: var(--brass-deep); }