/* =========================================================
   DHC Sanluis Việt Nam — Dream Home Construction
   Light Luxury theme · full-screen snap sections
   ========================================================= */

:root {
  --cream: #f8f4ed; /* nền chính */
  --ivory: #fcfaf5; /* nền sáng hơn */
  --sand: #efe6d6; /* nền ấm */
  --sand-deep: #e7dac4;
  --gold: #b6902f; /* vàng chủ đạo */
  --gold-deep: #977523;
  --gold-light: #d9b85f;
  --ink: #2e2a24; /* chữ đậm ấm */
  --ink-soft: #5a5347;
  --muted: #8b8271;
  --line: rgba(46, 42, 36, 0.12);
  --white: #ffffff;
  --shadow-sm: 0 8px 24px rgba(46, 42, 36, 0.08);
  --shadow-md: 0 18px 50px rgba(46, 42, 36, 0.12);
  --shadow-lg: 0 30px 80px rgba(46, 42, 36, 0.16);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
  --r: 16px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.12;
  color: var(--ink);
}
strong {
  color: var(--ink);
  font-weight: 600;
}
::selection {
  background: var(--gold);
  color: #fff;
}

.container {
  width: 100%;
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 clamp(24px, 6vw, 96px);
}
.text-gold {
  color: var(--gold);
  font-style: italic;
}
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  letter-spacing: -0.01em;
}
.section-desc {
  max-width: 620px;
  margin: 1.1rem auto 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(2rem, 4vw, 3.2rem);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.9rem;
  border-radius: 100px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}
.btn-lg {
  padding: 1.05rem 2.4rem;
  font-size: 1rem;
}
.btn-sm {
  padding: 0.6rem 1.3rem;
  font-size: 0.85rem;
}
.btn-block {
  width: 100%;
}
.btn-gold {
  background: linear-gradient(120deg, var(--gold), var(--gold-deep));
  color: #fff;
  box-shadow: 0 12px 28px rgba(150, 117, 35, 0.28);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(150, 117, 35, 0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
  background: rgba(182, 144, 47, 0.06);
}
/* Nút phụ trên hero: nền trắng để nổi rõ trên ảnh nền */
.hero-actions .btn-ghost {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
  box-shadow: var(--shadow-sm);
}
.hero-actions .btn-ghost:hover {
  background: #fff;
  color: var(--gold-deep);
  border-color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.btn-dark {
  background: var(--ink);
  color: var(--ivory);
}
.btn-dark:hover {
  background: var(--gold-deep);
  transform: translateY(-3px);
}
.btn-light {
  background: var(--white);
  color: var(--ink);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.btn-light:hover {
  background: var(--white);
  color: var(--gold-deep);
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ---------- CTA nổi bật: nhịp sáng + vệt sáng quét ---------- */
@keyframes ctaGlow {
  0%,
  100% {
    box-shadow: 0 12px 28px rgba(150, 117, 35, 0.3);
  }
  50% {
    box-shadow:
      0 16px 46px rgba(182, 144, 47, 0.62),
      0 0 0 6px rgba(182, 144, 47, 0.1);
  }
}
@keyframes ctaShine {
  0% {
    transform: translateX(-120%) skewX(-18deg);
  }
  60%,
  100% {
    transform: translateX(320%) skewX(-18deg);
  }
}
.cta-pulse {
  position: relative;
  overflow: hidden;
  animation: ctaGlow 2.8s var(--ease) infinite;
}
.cta-pulse::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(
    100deg,
    transparent,
    rgba(255, 255, 255, 0.55),
    transparent
  );
  animation: ctaShine 3.6s var(--ease) infinite;
  pointer-events: none;
}
.cta-pulse:hover {
  animation-play-state: paused;
}

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--cream);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.7s ease,
    visibility 0.7s ease;
}
.preloader.done {
  opacity: 0;
  visibility: hidden;
}
.preloader-mark {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  position: relative;
}
.preloader-mark::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -14px;
  height: 2px;
  width: 0;
  background: var(--gold);
  animation: loadBar 1.1s var(--ease) forwards;
}
@keyframes loadBar {
  to {
    width: 100%;
  }
}

/* ---------- Scroll progress + dots ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 1200;
  background: linear-gradient(90deg, var(--gold-light), var(--gold-deep));
  transition: width 0.1s linear;
}
.dots-nav {
  position: fixed;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 800;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.dots-nav button {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1.5px solid var(--muted);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all 0.3s var(--ease);
  padding: 0;
}
.dots-nav button.active {
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.25);
}
.dots-nav button span {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--ivory);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.dots-nav button:hover span {
  opacity: 1;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition:
    background 0.4s var(--ease),
    box-shadow 0.4s var(--ease),
    padding 0.4s var(--ease);
  padding: 0.55rem 0;
}
.site-header.scrolled {
  background: rgba(248, 244, 237, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: 0 2px 20px rgba(46, 42, 36, 0.07);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  cursor: pointer;
}
.brand-logo {
  height: 56px;
  width: auto;
}
.brand-fallback {
  display: none;
  align-items: center;
  gap: 0.7rem;
}
.brand-mark {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.7rem;
  color: var(--gold);
  letter-spacing: 0.06em;
  border: 2px solid var(--gold);
  border-radius: 8px;
  padding: 0.05em 0.3em;
  line-height: 1;
}
.brand-mark.small {
  font-size: 1.2rem;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.brand-sub {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.main-nav a {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--ink);
  position: relative;
  letter-spacing: 0.02em;
  transition: color 0.3s;
}
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  height: 1.5px;
  width: 0;
  background: var(--gold);
  transition: width 0.3s var(--ease);
}
.main-nav a:not(.nav-cta):hover {
  color: var(--gold-deep);
}
.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}
.main-nav a.nav-cta {
  background: linear-gradient(120deg, var(--gold), var(--gold-deep));
  color: #fff;
  padding: 0.6rem 1.4rem;
  border-radius: 100px;
  font-weight: 500;
  transition:
    transform 0.3s var(--ease),
    box-shadow 0.3s;
}
.main-nav a.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(150, 117, 35, 0.3);
  color: #fff;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Snap container / panels ---------- */
.snap-container {
  height: 100vh;
  height: 100dvh;
  overflow-y: scroll;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
/* Khi JS điều khiển cuộn full-page (mượt & chậm hơn) thì tắt snap gốc của trình duyệt */
.snap-container.js-scroll {
  scroll-snap-type: none;
  scroll-behavior: auto;
}
.snap-container::-webkit-scrollbar {
  display: none;
}
.panel {
  min-height: 100vh;
  min-height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 84px 0 32px;
  overflow: hidden;
}
.panel > .container {
  width: 100%;
}

/* ---------- Nền cố định cross-fade giữa các trang ----------
   Mỗi trang có một lớp màu riêng; khi đổi trang, lớp cũ mờ đi và lớp mới
   hiện lên -> chuyển màu mượt thay vì cắt cứng. */
.bg-stack {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--cream);
}
.bg-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.1s var(--ease);
}

/* ---------- Fade chuyển trang: overlay mờ dần toàn trang khi đổi panel ---------- */
.page-fade {
  position: fixed;
  inset: 0;
  z-index: 1500;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(160deg, var(--cream), var(--sand-deep));
}
.page-fade.active {
  animation: pageFade var(--pagefade-ms, 1000ms) var(--ease);
}
@keyframes pageFade {
  0% {
    opacity: 0;
  }
  45% {
    opacity: 0.96;
  }
  100% {
    opacity: 0;
  }
}

/* Alternating backgrounds for depth (đồng thời làm fallback nếu JS lỗi) */
.about {
  background: var(--ivory);
}
.styles {
  background: var(--cream);
}
.gallery {
  background: linear-gradient(180deg, var(--ivory), var(--sand));
}
.gallery.panel {
  justify-content: flex-start;
  padding-top: 96px;
}
.process {
  background: linear-gradient(160deg, var(--cream), var(--sand));
}
.testimonials {
  background: var(--sand);
}
.booking {
  background: linear-gradient(160deg, var(--ivory), var(--sand-deep));
}

/* ---------- Reveal / page in–out animation ---------- */
/* Trạng thái nghỉ (ẩn) = hiệu ứng "out" của trang khi rời khỏi màn hình */
.reveal {
  opacity: 0;
  transform: translateY(48px) scale(0.975);
  filter: blur(8px);
  transition:
    opacity 1.05s var(--ease),
    transform 1.15s var(--ease),
    filter 1.05s var(--ease);
  transition-delay: 0s;
  will-change: opacity, transform, filter;
}
/* Trạng thái hoạt động = hiệu ứng "in" của trang đang hiển thị, chạy tuần tự theo --reveal-delay */
.panel.is-active .reveal {
  opacity: 1;
  transform: none;
  filter: none;
  transition-delay: var(--reveal-delay, 0s);
}
/* Vẫn hỗ trợ class .in cũ (vd style-card render động) */
.reveal.in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* ================= HERO ================= */
.hero {
  color: var(--ink);
  text-align: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(
      1000px 600px at 50% -10%,
      rgba(217, 184, 95, 0.22),
      transparent 60%
    ),
    radial-gradient(
      800px 500px at 90% 110%,
      rgba(182, 144, 47, 0.16),
      transparent 60%
    ),
    linear-gradient(180deg, var(--ivory), var(--cream));
}
.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 45%, #000, transparent 75%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  margin: 0.3rem 0 1.4rem;
}
.hero-desc {
  max-width: 900px;
  color: var(--ink-soft);
  font-size: 1.06rem;
  margin-bottom: 2.2rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 4vw, 3rem);
  flex-wrap: wrap;
  justify-content: center;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat-num {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-deep);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}
.stat-sep {
  width: 1px;
  height: 38px;
  background: var(--line);
}
.scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 1.5px solid var(--muted);
  border-radius: 14px;
  z-index: 2;
}
.scroll-cue span {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--gold);
  animation: cue 1.6s infinite;
}
@keyframes cue {
  0% {
    opacity: 0;
    top: 8px;
  }
  30% {
    opacity: 1;
  }
  60% {
    opacity: 1;
    top: 22px;
  }
  100% {
    opacity: 0;
    top: 22px;
  }
}

/* ================= ABOUT ================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.about-media {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin-inline: auto;
}
.about-media-frame {
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-media-ph {
  aspect-ratio: 4/5;
  max-height: 70vh;
  background: url("../img/anhgioithieu.jpg");
  background-size: cover;
  background-position: center;
  background-blend-mode: multiply;
}
.about-media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--r);
}
.about-badge {
  position: absolute;
  bottom: -26px;
  left: -26px;
  background: var(--gold);
  color: #fff;
  border-radius: 14px;
  padding: 1.1rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  box-shadow: var(--shadow-md);
  animation: aboutBadgeFloat 3.4s ease-in-out infinite;
}
@keyframes aboutBadgeFloat {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
  }
  50% {
    transform: translateY(-12px);
    box-shadow: 0 22px 40px rgba(150, 117, 35, 0.35);
  }
}
.about-badge-num {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
}
.about-badge-text {
  font-size: 0.78rem;
  line-height: 1.2;
  letter-spacing: 0.04em;
}
.about-content > .btn {
  display: flex;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.about-lead {
  font-size: 1.2rem;
  color: var(--ink);
  margin: 0.4rem 0 1rem;
  font-family: var(--serif);
  font-style: italic;
}
.about-content p {
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.about-points {
  list-style: none;
  margin: 1.4rem 0 1.8rem;
  display: grid;
  gap: 0.75rem;
}
.about-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--ink-soft);
}
.about-points .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 0.55rem;
  flex-shrink: 0;
}

/* ================= STYLES GRID ================= */
/* 1 ô chính (Hiện đại tối giản) khung dọc chiếm cột 1 (2 hàng),
   4 ô phụ khung ngang 4:3 lấp cột 2-3 -> ảnh vừa khít theo chiều cao. */
.styles.panel {
  padding-top: 80px;
  padding-bottom: 28px;
}
.styles .section-head {
  margin-bottom: 1.4rem;
}
.style-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1.1rem;
  align-items: stretch;
  height: min(50vh, 470px);
}
.style-card {
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  min-height: 0;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.5s var(--ease),
    box-shadow 0.5s var(--ease);
  background: var(--ink);
  isolation: isolate;
}
.style-card.is-main {
  grid-column: 1;
  grid-row: 1 / span 2;
}
.style-card.is-main .style-card-content {
  padding: 2rem;
}
.style-card.is-main .style-card-title {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
}
.style-more {
  text-align: center;
  margin-top: 1rem;
  color: var(--muted);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
}
.style-card {
  cursor: pointer;
}
.style-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.style-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -2;
  transition: transform 0.8s var(--ease);
}
.style-card:hover .style-card-bg {
  transform: scale(1.08);
}
.style-card-ph {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(
    150deg,
    var(--card-c1, #3a3226),
    var(--card-c2, #8a7132)
  );
}
.style-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    to top,
    rgba(20, 16, 10, 0.86),
    rgba(20, 16, 10, 0.15) 55%,
    transparent
  );
}
.style-card-content {
  padding: 1.5rem;
  color: #fff;
  position: relative;
  z-index: 1;
}
.style-card-count {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-light);
}
.style-card-title {
  font-size: 1.6rem;
  color: #fff;
  margin-top: 0.3rem;
}
.style-card-desc {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
}
.style-card-rank {
  position: absolute;
  top: 1.1rem;
  right: 1.3rem;
  z-index: 1;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.28);
}
.style-card-arrow {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  color: #fff;
  font-size: 1.3rem;
  opacity: 0.6;
  transition: 0.4s var(--ease);
  z-index: 1;
}
.style-card:hover .style-card-arrow {
  opacity: 1;
  transform: translate(3px, -3px);
}

/* ================= GALLERY ================= */
.gallery-container {
  display: flex;
  flex-direction: column;
  max-height: 100%;
}
.gallery-filters {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1.4rem;
}
.gallery-filter-btn {
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.gallery-filter-btn:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
}
.gallery-filter-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}
.gallery-scroll {
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
  padding: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) transparent;
}
.gallery-grid {
  columns: 4;
  column-gap: 14px;
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: 14px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  animation: galleryIn 0.6s var(--ease) both;
  background: var(--sand);
}
@keyframes galleryIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.gallery-item img {
  width: 100%;
  transition: transform 0.7s var(--ease);
}
.gallery-item:hover img {
  transform: scale(1.06);
}
.gallery-item-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  background: linear-gradient(to top, rgba(20, 16, 10, 0.7), transparent 55%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

/* ---------- Lưới dự án ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 400px));
  gap: 1.6rem 1.3rem;
  justify-content: center;
  justify-items: center;
}
.project-card {
  cursor: pointer;
  background: transparent;
  width: 100%;
  max-width: 400px;
  transition: transform 0.4s var(--ease);
  animation: galleryIn 0.6s var(--ease) both;
}
.project-card:hover {
  transform: translateY(-6px);
}
.project-card-cover {
  aspect-ratio: 1.6;
  width: 100%;
  border-radius: var(--r);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.6s var(--ease),
    box-shadow 0.4s var(--ease);
}
.project-card:hover .project-card-cover {
  transform: scale(1.04);
  box-shadow: var(--shadow-md);
}
.project-card-name {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
  margin-top: 0.7rem;
  text-align: center;
}

/* ---------- Modal chi tiết dự án ---------- */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.4s var(--ease),
    visibility 0.4s var(--ease);
}
.project-modal.open {
  opacity: 1;
  visibility: visible;
}
.project-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 16, 10, 0.72);
  backdrop-filter: blur(6px);
}
.project-modal-panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(1400px, 100%);
  max-height: 92vh;
  background: var(--ivory);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: translateY(24px) scale(0.98);
  transition: transform 0.45s var(--ease);
}
.project-modal.open .project-modal-panel {
  transform: none;
}
.project-modal-head {
  padding: clamp(1.4rem, 3vw, 2rem) clamp(1.4rem, 3vw, 2rem) 1rem;
  border-bottom: 1px solid var(--line);
}
.project-modal-style {
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
}
.project-modal-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--ink);
  margin-top: 0.25rem;
}
/* Bố cục masonry nghệ thuật: các ảnh so le theo chiều cao thật, cách nhau
   bằng column-gap + margin-bottom nên không bao giờ đè lên nhau. */
.project-modal-grid {
  padding: 1.6rem;
  overflow-y: auto;
  columns: 3;
  column-gap: 1.3rem;
  align-content: start;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) transparent;
}
.project-thumb {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  margin: 0 0 1.5rem;
  cursor: pointer;
  display: block;
}
.project-thumb-img {
  border-radius: 10px;
  overflow: hidden;
  background: var(--sand);
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow 0.4s var(--ease),
    transform 0.5s var(--ease);
}
.project-thumb:hover .project-thumb-img {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.project-thumb img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
  display: block;
}
.project-thumb:hover img {
  transform: scale(1.05);
}
.project-thumb-name {
  display: block;
  margin-top: 0.55rem;
  font-family: var(--serif);
  font-size: 0.9rem;
  color: var(--ink);
  text-align: center;
  letter-spacing: 0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media (max-width: 980px) {
  .project-modal-grid {
    columns: 2;
  }
}
@media (max-width: 520px) {
  .project-modal-grid {
    columns: 1;
  }
}
.project-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: 0.3s var(--ease);
}
.project-modal-close:hover {
  background: var(--gold);
  color: #fff;
  transform: rotate(90deg);
}
@media (max-width: 760px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-modal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}
.gallery-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.gallery-empty-icon {
  color: var(--gold);
  opacity: 0.6;
}
.gallery-loadmore {
  text-align: center;
  margin-top: 1.2rem;
}

/* ================= PROCESS ================= */
.process .section-title {
  color: var(--ink);
  white-space: nowrap;
}
.process .eyebrow {
  color: var(--gold-deep);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}
.process-step {
  padding: 2rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--ivory);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--ease);
}
.process-step:hover {
  background: var(--white);
  border-color: rgba(182, 144, 47, 0.4);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.process-num {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--gold);
  display: block;
  margin-bottom: 0.6rem;
}
.process-step h3 {
  color: var(--ink);
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}
.process-step p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ================= TESTIMONIALS ================= */
.testi-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}
.testi-card {
  background: var(--ivory);
  border-radius: var(--r);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid var(--line);
}
.testi-stars {
  color: var(--gold);
  letter-spacing: 0.2em;
}
.testi-card p {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.5;
  flex: 1;
}
.testi-author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  object-fit: cover;
  flex-shrink: 0;
}
.testi-author strong {
  display: block;
  font-size: 0.95rem;
}
.testi-author span {
  font-size: 0.82rem;
  color: var(--muted);
}

/* ================= BOOKING ================= */
.booking .section-title {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  white-space: nowrap;
}
.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: center;
}
.booking-info p {
  color: var(--ink-soft);
  margin-bottom: 1.6rem;
}
.booking-contact {
  display: grid;
  gap: 1rem;
}
.booking-contact-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.booking-contact-item .ic {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(182, 144, 47, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
/* Icon dạng ảnh (vd Zalo): bỏ nền, ảnh phủ kín ô icon */
.booking-contact-item .ic-img {
  background: none;
  overflow: hidden;
  padding: 0;
}
.booking-contact-item .ic-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}
.booking-contact-item strong {
  display: block;
  font-size: 0.9rem;
}
.booking-contact-item span {
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.booking-contact-item a {
  color: var(--ink-soft);
  text-decoration: none;
}
.booking-contact-item a:hover span {
  color: var(--gold, #b6902f);
  text-decoration: underline;
}
/* Nút sao chép số Zalo — đẩy về cuối dòng */
/* Nút sao chép số — nhỏ gọn, KHÔNG viền, chữ COPY rõ ràng, đặt sát số */
.copy-btn {
  margin-left: 8px;
  flex-shrink: 0;
  vertical-align: baseline;
  padding: 2px 6px;
  border: none;
  background: none;
  color: var(--gold, #b6902f);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  cursor: pointer;
  transition:
    color 0.18s,
    transform 0.18s;
}
.copy-btn:hover {
  color: var(--gold-deep, #8a7132);
  text-decoration: underline;
}
.copy-btn:active {
  transform: scale(0.9);
}
.copy-btn.copied {
  color: #3ca05a;
}
.booking-form {
  background: var(--ivory);
  border-radius: var(--r);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.field {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
}
.field label {
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}
.field input,
.field select,
.field textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
  resize: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(182, 144, 47, 0.14);
}
.form-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.7rem;
  text-align: center;
}
.form-success {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  background: rgba(182, 144, 47, 0.12);
  border: 1px solid var(--gold);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--gold-deep);
}
.form-error {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  background: rgba(200, 60, 50, 0.1);
  border: 1px solid #c8433a;
  border-radius: 10px;
  font-size: 0.9rem;
  color: #a3322b;
}

/* ================= FOOTER (bên trong panel booking) ================= */
.site-footer {
  width: 100%;
  margin-top: auto;
  padding-top: 1.4rem;
}
.booking.panel {
  justify-content: flex-start;
}
.booking > .booking-grid {
  flex: 1 1 auto;
  align-content: center;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
}
.footer-brand-line strong {
  color: var(--gold-deep);
}
.footer-copy {
  color: var(--muted);
}

/* ================= LIGHTBOX ================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 16, 10, 0.94);
  z-index: 3600;
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox.open {
  display: flex;
  animation: fade 0.3s ease;
}
@keyframes fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.lightbox-img {
  max-width: 88vw;
  max-height: 84vh;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 30px;
  font-size: 2.4rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.6rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s;
}
.lightbox-nav:hover {
  background: var(--gold);
}
.lightbox-nav.prev {
  left: 24px;
}
.lightbox-nav.next {
  right: 24px;
}
.lightbox-caption {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* ================= STYLE DETAIL MODAL ================= */
.style-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 48px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.4s var(--ease),
    visibility 0.4s var(--ease);
}
.style-modal.open {
  opacity: 1;
  visibility: visible;
}
.style-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 16, 10, 0.72);
  backdrop-filter: blur(6px);
}
.style-modal-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  width: min(1040px, 100%);
  max-height: 88vh;
  background: var(--ivory);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: translateY(24px) scale(0.98);
  transition: transform 0.45s var(--ease);
}
.style-modal.open .style-modal-panel {
  transform: none;
}
.style-modal-media {
  position: relative;
  min-height: 340px;
}
.style-modal-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.style-modal-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 60%, rgba(0, 0, 0, 0.12));
}
.style-modal-body {
  padding: clamp(1.8rem, 3vw, 2.8rem);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.style-modal-tag {
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
}
.style-modal-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0.4rem 0 1rem;
  color: var(--ink);
}
.style-modal-article p {
  color: var(--ink-soft);
  margin-bottom: 0.9rem;
  line-height: 1.7;
}
.style-modal-cta {
  margin-top: 0.6rem;
  align-self: flex-start;
}
.style-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: 0.3s var(--ease);
}
.style-modal-close:hover {
  background: var(--gold);
  color: #fff;
  transform: rotate(90deg);
}
@media (max-width: 760px) {
  .style-modal-panel {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .style-modal-media {
    min-height: 200px;
    max-height: 34vh;
  }
}

/* ================= ADMIN (hidden) ================= */
.admin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 16, 10, 0.5);
  z-index: 1999;
  display: none;
}
.admin-overlay.open {
  display: block;
}
.admin-modal {
  position: fixed;
  top: 0;
  left: 0;
  transform: translateY(20px);
  z-index: 2000;
  width: 100vw;
  height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
  background: var(--ivory);
  border-radius: 0;
  box-shadow: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
}
.admin-modal.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.admin-modal-inner {
  padding: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.admin-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.admin-modal-head h3 {
  font-size: 1.4rem;
}
.admin-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
}
.admin-help {
  font-size: 0.82rem;
  color: var(--ink-soft);
  background: var(--sand);
  padding: 0.9rem 1rem;
  border-radius: 10px;
  margin-bottom: 1.2rem;
  line-height: 1.7;
}
.admin-folders {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 0.8rem;
}
.admin-group {
  margin-top: 1.4rem;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}
.admin-group:first-child {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}
.admin-group-title {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gold-deep);
  letter-spacing: 0.03em;
  margin-bottom: 0.7rem;
  text-transform: uppercase;
}
.admin-group .field {
  margin-bottom: 0.7rem;
}
.admin-group .field textarea {
  resize: vertical;
  min-height: 52px;
}
#adminLogout {
  margin-left: auto;
}
.admin-folder-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.3fr auto;
  gap: 0.5rem;
  align-items: center;
}
.admin-folder-head span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-left: 0.2rem;
}
.admin-folder-row input {
  font-family: var(--sans);
  font-size: 0.85rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
.admin-folder-row input:focus {
  outline: none;
  border-color: var(--gold);
}
.admin-folder-remove {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  color: var(--muted);
  font-size: 1.2rem;
}
.admin-folder-remove:hover {
  border-color: #c0392b;
  color: #c0392b;
}
.admin-actions {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.2rem;
}
.admin-status {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--gold-deep);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1024px) {
  .style-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: none;
    grid-auto-rows: minmax(150px, 24vh);
    height: auto;
  }
  .style-card {
    aspect-ratio: 16/10;
  }
  .style-card.is-main {
    grid-column: 1 / -1;
    grid-row: auto;
    aspect-ratio: 16/9;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testi-track {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-grid {
    columns: 3;
  }
  .dots-nav {
    display: none;
  }
}
@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    width: min(80vw, 320px);
    background: var(--ivory);
    flex-direction: column;
    justify-content: center;
    gap: 1.8rem;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    box-shadow: var(--shadow-lg);
    z-index: 1050;
  }
  .main-nav.open {
    transform: translateX(0);
  }
  .main-nav a {
    font-size: 1.2rem;
  }
  .nav-toggle {
    display: flex;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-media {
    max-width: 340px;
    margin: 0 auto;
  }
  .about-badge {
    left: 0;
    bottom: -20px;
  }
  .booking-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .process .section-title,
  .booking .section-title {
    white-space: normal;
  }
  .testi-track {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .testi-card {
    padding: 1.5rem;
  }
  .testi-card p {
    font-size: 1.05rem;
  }
  .gallery-grid {
    columns: 2;
  }
  .panel {
    min-height: 100vh;
    padding: 88px 0 32px;
  }
  /* Trên mobile: bỏ ép snap cứng để cuộn tự nhiên hơn với nội dung dài */
  .snap-container {
    scroll-snap-type: y proximity;
  }
  .panel {
    scroll-snap-stop: normal;
  }
  .hero-stats {
    gap: 1.4rem;
  }
  .stat-num {
    font-size: 2rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .about-points {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 480px) {
  .style-grid {
    grid-template-columns: 1fr;
  }
  .style-card.is-main {
    grid-column: auto;
    grid-row: auto;
    aspect-ratio: 4/3;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    columns: 1;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .brand-logo {
    height: 46px;
  }
  .stat-sep {
    display: none;
  }
}

/* Bớt hiệu ứng nếu người dùng chọn giảm chuyển động */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .snap-container {
    scroll-snap-type: none;
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
  }
}