/* =========================================================
   VỊ DI SẢN — LANDING PAGE STYLESHEET
   Fonts: Tai Heritage Pro (tiêu đề) / Quicksand (nội dung) / The Nautigal (thư pháp)
   ========================================================= */

/* ---------- 1. RESET & TOKENS ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }

:root {
  /* Palette lấy từ bản thiết kế Figma */
  --color-cream: #FBF2E3;
  --color-cream-dark: #F3E6CF;
  --color-maroon: #7B1E24;
  --color-maroon-dark: #5E1519;
  --color-maroon-light: #9C3138;
  --color-gold: #C79A4B;
  --color-gold-light: #E4C784;
  --color-ink: #3A2A1E;
  --color-ink-soft: #6B584A;
  --color-white: #FFFFFF;

  --font-heading: "Tai Heritage Pro", "Times New Roman", serif;
  --font-body: "Quicksand", sans-serif;
  --font-script: "The Nautigal", cursive;

  --container-width: 1200px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --shadow-soft: 0 10px 30px rgba(94, 21, 25, 0.12);
  --transition-base: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-cream);
  overflow-x: hidden;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

/* ---------- 2. REVEAL-ON-SCROLL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 3. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-maroon);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(123, 30, 36, 0.28);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--color-maroon-dark);
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(123, 30, 36, 0.35);
}
.btn--outline {
  background: transparent;
  color: var(--color-maroon);
  border: 1.5px solid var(--color-maroon);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--color-maroon);
  color: var(--color-white);
  transform: translateY(-3px);
}
.btn--on-dark {
  background: var(--color-cream);
  color: var(--color-maroon);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
.btn--on-dark:hover, .btn--on-dark:focus-visible {
  background: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25);
}
.btn--outline-cream {
  background: transparent;
  color: var(--color-cream);
  border: 1.5px solid rgba(251, 242, 227, 0.6);
}
.btn--outline-cream:hover, .btn--outline-cream:focus-visible {
  background: rgba(251, 242, 227, 0.12);
  border-color: var(--color-cream);
  transform: translateY(-3px);
}
.btn:active { transform: translateY(0); }

/* ---------- 4. SECTION TITLES ---------- */
.section-title {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-maroon);
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.section-title__script {
  display: block;
  font-family: var(--font-script);
  font-size: 46px;
  color: var(--color-gold);
  font-weight: 400;
  margin-top: 4px;
}
.section-title--left { text-align: left; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(251, 242, 227, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(123, 30, 36, 0.08);
  transition: box-shadow var(--transition-base);
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(94, 21, 25, 0.1); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo__stamp { width: 44px; height: 44px; object-fit: contain; }
.logo__text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-maroon);
  letter-spacing: 0.06em;
}

.nav__list { display: flex; align-items: center; gap: 36px; }
.nav__link {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-ink);
  position: relative;
  padding: 6px 0;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-maroon);
  transition: width var(--transition-base);
}
.nav__link:hover { color: var(--color-maroon); }
.nav__link:hover::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: 18px; }

.lang-toggle {
  display: flex;
  align-items: center;
  border-radius: 999px;
  background: var(--color-cream-dark);
  padding: 4px;
  gap: 2px;
  border: 1px solid rgba(123, 30, 36, 0.15);
}
.lang-toggle__option {
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  color: var(--color-ink-soft);
  transition: background var(--transition-base), color var(--transition-base);
}
.lang-toggle__option.is-active {
  background: var(--color-maroon);
  color: var(--color-white);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 24px;
  justify-content: center;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-maroon);
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: 160px 0 60px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(199, 154, 75, 0.12), transparent 55%),
    radial-gradient(ellipse at 85% 10%, rgba(123, 30, 36, 0.06), transparent 50%),
    var(--color-cream);
}
.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero__bg-el {
  position: absolute;
  opacity: 0.16;
}
.hero__bg-el--van-mieu {
  top: 90px;
  left: 2%;
  width: 220px;
}
.hero__bg-el--thap-rua {
  top: 70px;
  right: 4%;
  width: 190px;
}
.hero__bg-el--chua-mot-cot {
  top: 40px;
  left: 38%;
  width: 170px;
  opacity: 0.1;
}
.hero__bg-el--cau-long-bien {
  /* Đặt cùng mặt đất với bục bánh (~52px tính từ đáy hero) để cầu nằm
     hẳn phía sau bục, không cắt ngang qua mặt trước của bục nữa. */
  bottom: 52px;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  max-width: 1180px;
  opacity: 0.13;
}
.hero__bg-el--bong-sen-1 {
  bottom: 52px;
  left: -40px;
  width: 260px;
  opacity: 0.5;
}
.hero__bg-el--bong-sen-2 {
  bottom: 52px;
  right: -40px;
  width: 240px;
  opacity: 0.5;
}
.hero__inner { position: relative; z-index: 2; }

.hero__title {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: 700;
  color: var(--color-maroon);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.hero__subtitle {
  font-size: 16px;
  color: var(--color-ink-soft);
  font-weight: 500;
  max-width: 640px;
  margin: 0 auto 8px;
}
.hero__subtitle--script {
  font-family: var(--font-script);
  font-size: 30px;
  color: var(--color-gold);
  margin-bottom: 28px;
}
.hero__cta { margin-top: 12px; }

.hero__badge {
  position: absolute;
  top: 30px;
  right: 4%;
  width: 150px;
  transform: rotate(6deg);
  filter: drop-shadow(0 8px 16px rgba(94, 21, 25, 0.18));
  transition: transform var(--transition-base);
}
.hero__badge:hover { transform: rotate(0deg) scale(1.05); }

.hero__products { margin-top: 40px; }
.hero__pedestal-img {
  max-width: 1080px;
  width: 90%;
  margin: 0 auto;
  transition: transform var(--transition-base);
  filter: drop-shadow(0 24px 30px rgba(94, 21, 25, 0.16));
}
.hero__pedestal-img:hover { transform: translateY(-6px); }

/* =========================================================
   BỐN BIỂU TƯỢNG — STORIES
   ========================================================= */
.stories { padding: 70px 0 80px; overflow: hidden; }

/* Dải trang trí dưới tiêu đề section */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 22px auto 0;
  width: 220px;
}
.section-divider span {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}
.section-divider::before,
.section-divider::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  flex-shrink: 0;
}

.stories__stamp {
  width: 130px;
  margin: 30px auto 10px;
  transform: rotate(-8deg);
  position: relative;
  z-index: 1;
}

.stories__list {
  display: flex;
  flex-direction: column;
  gap: 70px;
  margin-top: 50px;
  position: relative;
  z-index: 1;
}
.stories__path-bg {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  max-width: 90%;
  height: calc(100% + 60px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
}
.stories__path-bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.story-item {
  display: flex;
  align-items: center;
  gap: 60px;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.story-item--left { flex-direction: row; }
.story-item--right { flex-direction: row-reverse; }

.story-item__media { position: relative; flex-shrink: 0; }

.story-item__image {
  width: 260px;
  display: block;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base);
}
.story-item:hover .story-item__image { transform: translateY(-8px) rotate(-1deg); }

.story-item__coin {
  position: absolute;
  bottom: -18px;
  right: -18px;
  width: 76px;
  border-radius: 50%;
  background: var(--color-cream);
  box-shadow: var(--shadow-soft);
  padding: 6px;
  transition: transform var(--transition-base);
}
.story-item--right .story-item__coin { right: auto; left: -18px; }
.story-item:hover .story-item__coin { transform: scale(1.08) rotate(-4deg); }

.story-item__content {
  max-width: 420px;
  background: var(--color-white);
  border: 1px solid rgba(123, 30, 36, 0.12);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-soft);
}
.story-item__title {
  font-family: var(--font-heading);
  font-size: 26px;
  color: var(--color-maroon);
  margin-bottom: 4px;
}
.story-item__caption {
  font-family: var(--font-script);
  font-size: 22px;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.story-item__desc {
  font-size: 14.5px;
  color: var(--color-ink-soft);
  margin-bottom: 20px;
}

/* =========================================================
   LỘ TRÌNH PHÁT TRIỂN — ROADMAP
   ========================================================= */
.roadmap {
  padding: 90px 0;
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
}
.roadmap__inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  align-items: center;
}
.roadmap__map { max-width: 320px; margin: 0 auto; }
.roadmap__quote {
  font-family: var(--font-script);
  font-size: 28px;
  color: var(--color-gold);
  margin: 14px 0 20px;
}
.roadmap__desc {
  font-size: 15px;
  color: var(--color-ink-soft);
  margin-bottom: 16px;
  max-width: 560px;
}

/* =========================================================
   BỘ SẢN PHẨM
   ========================================================= */
.products { padding: 90px 0; overflow: hidden; }
.products__bg {
  position: absolute;
  top: -80px;
  right: -140px;
  width: 480px;
  max-width: 55%;
  opacity: 0.1;
  transform: rotate(8deg);
  pointer-events: none;
  z-index: 0;
}
.products > .container { position: relative; z-index: 1; }
.products__showcase {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 30px;
  align-items: center;
  margin: 50px 0 60px;
}
.products__box img { border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.products__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.products__grid img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base);
}
.products__grid img:hover { transform: scale(1.04); }

.products__panels {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.products__panel img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.products__panel:hover img {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(94, 21, 25, 0.2);
}

/* =========================================================
   TRẢI NGHIỆM AR
   ========================================================= */
.ar-experience {
  padding: 90px 0;
  background: var(--color-maroon);
  color: var(--color-cream);
  overflow: hidden;
}
.ar-experience .section-title--left { color: var(--color-cream); }
.ar-experience__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.ar-experience__desc {
  font-size: 15.5px;
  color: rgba(251, 242, 227, 0.85);
  margin: 18px 0 32px;
  max-width: 480px;
}

.ar-steps { display: flex; flex-direction: column; gap: 22px; margin-bottom: 36px; }
.ar-steps__item { display: flex; gap: 18px; align-items: flex-start; }
.ar-steps__number {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-gold-light);
  min-width: 40px;
}
.ar-steps__item h3 { font-size: 17px; margin-bottom: 4px; }
.ar-steps__item p { font-size: 14px; color: rgba(251, 242, 227, 0.75); }

.ar-experience__media { position: relative; display: flex; justify-content: center; }
.ar-experience__phone {
  width: 340px;
  filter: drop-shadow(0 25px 40px rgba(0, 0, 0, 0.35));
  transition: transform var(--transition-base);
}
.ar-experience__phone:hover { transform: translateY(-10px) rotate(-1deg); }
.ar-experience__qr {
  position: absolute;
  bottom: 10%;
  left: -10px;
  width: 130px;
  animation: float 3.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* =========================================================
   ĐẶT HỘP QUÀ
   ========================================================= */
.order { padding: 120px 0 140px; position: relative; overflow: hidden; }
.order > .container { position: relative; z-index: 1; }
.order__ribbon {
  position: absolute;
  bottom: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 140%;
  max-width: 1600px;
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}
.order__subtitle {
  text-align: center;
  font-family: var(--font-script);
  font-size: 26px;
  color: var(--color-gold);
  margin-top: 6px;
}

.order__forms {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 30px;
  margin-top: 50px;
  position: relative;
  z-index: 1;
}

.order-card {
  position: relative;
  background: var(--color-maroon);
  color: var(--color-cream);
  border-radius: var(--radius-lg);
  padding: 40px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.order-card__body { position: relative; z-index: 1; }

.order-card__label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(251, 242, 227, 0.7);
  margin-bottom: 6px;
}
.order-card__heading {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-cream);
  margin-bottom: 14px;
}
.order-card__subtitle {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-gold-light);
  margin-bottom: 16px;
}
.order-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(251, 242, 227, 0.8);
  margin-bottom: 14px;
}

.order-card__price-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(251, 242, 227, 0.2);
}
.order-card__price-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14.5px;
  color: rgba(251, 242, 227, 0.85);
}
.order-card__price-list strong {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-gold-light);
}

.order-card__badge {
  display: inline-block;
  background: var(--color-cream);
  color: var(--color-maroon-dark);
  font-size: 12.5px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 26px;
}

.order-card__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.order-card__contact {
  display: flex;
  gap: 40px;
  margin: 20px 0 28px;
  flex-wrap: wrap;
}
.order-card__contact-label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: rgba(251, 242, 227, 0.6);
  margin-bottom: 4px;
}
.order-card__contact-value {
  font-size: 14.5px;
  color: var(--color-cream);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-base);
}
.order-card__contact-value:hover { color: var(--color-gold-light); }

.order-card__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 28px;
  margin-bottom: 20px;
}
.order-card__field--underline label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(251, 242, 227, 0.65);
  margin-bottom: 8px;
}
.order-card__field--underline input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(251, 242, 227, 0.35);
  color: var(--color-cream);
  padding: 6px 2px 10px;
  transition: border-color var(--transition-base);
}
.order-card__field--underline input::placeholder { color: rgba(251, 242, 227, 0.4); }
.order-card__field--underline input:focus { outline: none; border-color: var(--color-gold-light); }
.order-card__field--full { margin-bottom: 22px; }

.order-card__footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.order-card__note { font-size: 13px; color: rgba(251, 242, 227, 0.6); }

.order-card__deco {
  position: absolute;
  bottom: -24px;
  left: -24px;
  width: 230px;
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
}
.order-card__deco--business { left: auto; right: -24px; }

/* =========================================================
   POPUP ĐẶT HÀNG (Modal)
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(58, 42, 30, 0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.modal-overlay.is-active { opacity: 1; visibility: visible; }

.order-modal {
  position: relative;
  background: var(--color-maroon);
  color: var(--color-cream);
  border-radius: 28px;
  padding: 40px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  transform: translateY(24px) scale(0.97);
  transition: transform var(--transition-base);
}
.modal-overlay.is-active .order-modal { transform: translateY(0) scale(1); }

.order-modal__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(251, 242, 227, 0.12);
  color: var(--color-cream);
  font-size: 22px;
  line-height: 1;
  transition: background var(--transition-base), transform var(--transition-base);
}
.order-modal__close:hover { background: rgba(251, 242, 227, 0.25); transform: rotate(90deg); }

.order-modal__title {
  font-family: var(--font-heading);
  font-size: 26px;
  margin-bottom: 26px;
  padding-right: 30px;
}

.order-modal__field { margin-bottom: 20px; }
.order-modal__field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(251, 242, 227, 0.65);
  margin-bottom: 8px;
}
.order-modal__field input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(251, 242, 227, 0.35);
  color: var(--color-cream);
  padding: 6px 2px 10px;
  transition: border-color var(--transition-base);
}
.order-modal__field input::placeholder { color: rgba(251, 242, 227, 0.4); }
.order-modal__field input:focus { outline: none; border-color: var(--color-gold-light); }

.order-modal__row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}

.order-modal__select {
  width: 100%;
  background: rgba(251, 242, 227, 0.06);
  border: 1.5px solid var(--color-gold);
  border-radius: 10px;
  color: var(--color-cream);
  padding: 10px 36px 10px 14px;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23C79A4B' stroke-width='2'><path d='M5 7.5 10 12.5 15 7.5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  transition: border-color var(--transition-base);
}
.order-modal__select:focus { outline: none; border-color: var(--color-gold-light); }
.order-modal__select option { color: var(--color-ink); }

.order-modal__flavors-title {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(251, 242, 227, 0.65);
  margin-bottom: 12px;
}
.order-modal__flavor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin-bottom: 24px;
}
.flavor-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
}
.flavor-check input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.flavor-check__box {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 1.5px solid var(--color-gold);
  border-radius: 4px;
  position: relative;
  transition: background var(--transition-base);
}
.flavor-check input:checked + .flavor-check__box { background: var(--color-gold); }
.flavor-check input:checked + .flavor-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid var(--color-maroon-dark);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.flavor-check input:focus-visible + .flavor-check__box {
  outline: 2px solid var(--color-gold-light);
  outline-offset: 2px;
}

.order-modal__note {
  font-size: 13px;
  color: rgba(251, 242, 227, 0.6);
  margin-bottom: 18px;
}
.order-modal__submit { width: 100%; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { position: relative; background: var(--color-maroon-dark); color: rgba(251, 242, 227, 0.85); overflow: hidden; }
.footer__deco {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 260px;
  opacity: 0.12;
  pointer-events: none;
}
.footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 70px 0 60px;
}
.footer__brand .logo__text { color: var(--color-cream); }
.footer__desc { font-size: 13.5px; margin-top: 16px; color: rgba(251, 242, 227, 0.7); max-width: 340px; }

.footer__copyright { margin-top: 28px; }
.footer__copyright p {
  font-size: 12.5px;
  color: rgba(251, 242, 227, 0.5);
  line-height: 1.6;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 18px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer__col a { transition: color var(--transition-base); }
.footer__col a:hover { color: var(--color-gold-light); }
.footer__contact { margin-bottom: 20px; }
.footer__contact li a { color: rgba(251, 242, 227, 0.8); }

.footer__socials { display: flex; gap: 12px; }
.footer__social-link {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(251, 242, 227, 0.3);
  border-radius: 50%;
  color: var(--color-cream);
  transition: background var(--transition-base), transform var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.footer__social-link svg { width: 18px; height: 18px; }
.footer__social-link:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-maroon-dark);
  transform: translateY(-3px);
}

/* ---------- SCROLL TO TOP ---------- */
.scroll-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-maroon);
  color: var(--color-white);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base), background var(--transition-base);
  z-index: 900;
}
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--color-maroon-dark); transform: translateY(-4px); }

/* =========================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ========================================================= */
@media (max-width: 1024px) {
  .hero__title { font-size: 44px; }
  .roadmap__inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .roadmap__map { max-width: 240px; }
  .roadmap__desc { margin-left: auto; margin-right: auto; }
  .section-title--left { text-align: center; }

  .products__showcase { grid-template-columns: 1fr; }
  .ar-experience__inner { grid-template-columns: 1fr; }
  .ar-experience__media { order: -1; margin-bottom: 20px; }
  .ar-experience .section-title--left,
  .ar-experience__desc,
  .ar-steps__item { text-align: left; }

  .order__forms { grid-template-columns: 1fr; gap: 24px; }
  .order-card { padding: 32px; }
  .order-card__deco { width: 160px; opacity: 0.1; }

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

/* =========================================================
   RESPONSIVE — MOBILE / SMALL TABLET (≤ 768px)
   ========================================================= */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    /* Dùng height cố định thay vì bottom:0 — .site-header có backdrop-filter,
       nên nó trở thành containing block của phần tử fixed này; nếu dùng
       bottom:0, chiều cao sẽ bị tính lại theo khối 76px đó và co lại chỉ
       còn vài chục px (menu chỉ hiện được 1 mục). calc(100vh - 76px) luôn
       tính theo viewport nên tránh được lỗi này. */
    height: calc(100vh - 76px);
    background: var(--color-cream);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    padding: 30px 24px;
    overflow-y: auto;
    z-index: 999;
  }
  .nav.is-open { transform: translateX(0); }
  .nav__list { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; width: 100%; }
  .nav__link { font-size: 18px; }
  .hamburger { display: flex; }

  .hero { padding: 130px 0 60px; }
  .hero__title { font-size: 32px; }
  .hero__subtitle { font-size: 15px; padding: 0 10px; }
  .hero__subtitle--script { font-size: 19px; }
  .hero__badge { width: 100px; top: 10px; right: 2%; }
  .hero__pedestal-img { max-width: 92%; }

  .section-title { font-size: 28px; }
  .section-title__script { font-size: 30px; }

  .story-item, .story-item--left, .story-item--right {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  .story-item__image { width: 200px; }
  .story-item__content { padding: 24px; max-width: 100%; }
  .stories__path-bg { opacity: 0.14; }

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

  .ar-experience { padding: 70px 0; }
  .ar-experience__phone { width: 240px; }
  .ar-experience__qr { width: 90px; }

  .order-card { padding: 26px; }
  .order-card__heading { font-size: 21px; }
  .order-card__price-list li { font-size: 13.5px; }
  .order-card__price-list strong { font-size: 15.5px; }
  .order-card__actions,
  .order-card__footer-row { flex-direction: column; align-items: stretch; }
  .order-card__actions .btn,
  .order-card__footer-row .btn { width: 100%; }
  .order-card__contact { gap: 24px; }
  .order-card--business .order-card__grid { grid-template-columns: 1fr; gap: 18px; }
  .order-card__deco { width: 120px; opacity: 0.08; }

  .order-modal { padding: 30px 24px; border-radius: 20px; }
  .order-modal__title { font-size: 22px; }
  .order-modal__row { grid-template-columns: 1fr; gap: 20px; }
  .order-modal__flavor-grid { grid-template-columns: 1fr; }

  .footer__inner { grid-template-columns: 1fr; padding: 50px 0 30px; gap: 30px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 26px; }
  .logo__text { font-size: 16px; }
  .logo__stamp { width: 34px; height: 34px; }
  .section-title { font-size: 24px; }
  .products__grid { grid-template-columns: 1fr 1fr; gap: 8px; }

  .order-card { padding: 22px; }
  .order-card__heading { font-size: 19px; }
  .order-card__desc { font-size: 13px; }
  .order-card__price-list li { flex-direction: column; align-items: flex-start; gap: 2px; }
  .order-card__contact { flex-direction: column; gap: 16px; }
  .order-card__deco { display: none; }
}