/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --red:     #c0392b;
  --red-dark:#8b1a1a;
  --gold:    #d4a017;
  --gold-lt: #f0c040;
  --cream:   #fdf6ec;
  --dark:    #1a0a0a;
  --dark2:   #2d1010;
  --text:    #3a1a1a;
  --text-lt: #7a5a5a;
  --white:   #ffffff;
  --radius:  14px;
  --shadow:  0 8px 40px rgba(0,0,0,.18);
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Be Vietnam Pro', sans-serif;
  color: var(--text);
  background: var(--cream);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.section { padding: 90px 0; }

/* ===== SECTION HEADER ===== */
.section-tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(212,160,23,.1);
  border: 1px solid rgba(212,160,23,.3);
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 18px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-lt);
  max-width: 560px;
  line-height: 1.7;
}

.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-desc { margin: 0 auto; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: .95rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: var(--white);
  border-color: var(--red);
  box-shadow: 0 4px 20px rgba(192,57,43,.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(192,57,43,.5);
  background: linear-gradient(135deg, #d44032, var(--red));
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
}

.btn-sm  { padding: 10px 22px; font-size: .88rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 16px 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(26,10,10,.94);
  backdrop-filter: blur(16px);
  padding: 10px 0;
  box-shadow: 0 2px 30px rgba(0,0,0,.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}
.nav-logo img {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  position: relative;
  transition: color .25s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width .3s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--red), var(--red-dark)) !important;
  color: var(--white) !important;
  padding: 8px 22px;
  border-radius: 100px;
  box-shadow: 0 4px 15px rgba(192,57,43,.4);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { opacity: .9; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('img/THANH LONG ĐỎ LÊN MEN _ Bình gốm _ Chai lớn _ Cặp bình_10.1.2026.png')
    center / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,10,10,.88) 0%,
    rgba(139,26,26,.72) 50%,
    rgba(26,10,10,.82) 100%
  );
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--gold-lt);
  border: 1px solid rgba(212,160,23,.4);
  padding: 7px 20px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeDown .8s ease both;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 22px;
  animation: fadeDown .9s .1s ease both;
}
.hero-title-accent {
  background: linear-gradient(135deg, var(--gold-lt), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,.78);
  line-height: 1.7;
  margin-bottom: 36px;
  animation: fadeDown 1s .2s ease both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeDown 1s .3s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  animation: fadeDown 1s .4s ease both;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold-lt);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: .78rem;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
}
.stat-divider {
  width: 1px; height: 48px;
  background: rgba(255,255,255,.2);
}

.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  color: rgba(255,255,255,.5);
  font-size: .78rem;
  letter-spacing: .1em;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid rgba(255,255,255,.4);
  border-bottom: 2px solid rgba(255,255,255,.4);
  transform: rotate(45deg);
  margin: 8px auto 0;
  animation: bounce 1.6s infinite;
}

/* ===== ABOUT ===== */
.about {
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-images {
  position: relative;
  height: 520px;
}
.img-card {
  position: absolute;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .4s;
}
.img-card:hover { transform: scale(1.02); }
.img-card img { width: 100%; height: 100%; object-fit: cover; }

.img-card--main {
  width: 72%; height: 78%;
  top: 0; left: 0;
  z-index: 1;
}
.img-card--float {
  width: 55%; height: 55%;
  bottom: 0; right: 0;
  z-index: 2;
  border: 4px solid var(--white);
}

.about-text p {
  color: var(--text-lt);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-text strong { color: var(--red-dark); }

.about-highlight {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
  padding: 24px;
  background: var(--cream);
  border-radius: var(--radius);
  border-left: 4px solid var(--red);
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.highlight-icon { font-size: 1.6rem; }
.highlight-item div { display: flex; flex-direction: column; }
.highlight-item strong { font-size: .95rem; color: var(--dark); }
.highlight-item span  { font-size: .82rem; color: var(--text-lt); margin-top: 2px; }

/* ===== BENEFITS ===== */
.benefits {
  background: linear-gradient(160deg, var(--dark) 0%, var(--dark2) 100%);
  position: relative;
  overflow: hidden;
}
.benefits::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(192,57,43,.15) 0%, transparent 70%);
  pointer-events: none;
}
.benefits .section-tag  { color: var(--gold-lt); border-color: rgba(212,160,23,.3); }
.benefits .section-title { color: var(--white); }
.benefits .section-desc  { color: rgba(255,255,255,.6); }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefit-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.benefit-card:hover {
  background: rgba(192,57,43,.12);
  border-color: rgba(192,57,43,.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(192,57,43,.2);
}
.benefit-icon { font-size: 2.4rem; margin-bottom: 16px; }
.benefit-card h3 { color: var(--white); font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; }
.benefit-card p  { color: rgba(255,255,255,.58); font-size: .9rem; line-height: 1.7; }

/* ===== PRODUCTS ===== */
.products { background: var(--cream); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,.06);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(192,57,43,.15);
}
.product-card--featured {
  border: 2px solid var(--gold);
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(212,160,23,.2);
}
.product-card--featured:hover { transform: translateY(-16px); }

.product-img-wrap {
  position: relative;
  height: 280px;
  overflow: hidden;
  background: var(--cream);
}
.product-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.product-card:hover .product-img-wrap img { transform: scale(1.06); }

.product-badge {
  position: absolute;
  top: 14px; right: 14px;
  background: var(--red);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: .06em;
}
.product-badge--gold { background: linear-gradient(135deg, var(--gold), #b8860b); }
.product-badge--gift { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }

.product-info { padding: 24px; }
.product-info h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--dark);
  margin-bottom: 4px;
}
.product-volume {
  font-size: .82rem;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 10px;
}
.product-desc {
  font-size: .88rem;
  color: var(--text-lt);
  line-height: 1.6;
  margin-bottom: 18px;
}

.product-showcase {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 420px;
  box-shadow: var(--shadow);
}
.product-showcase img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.showcase-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(26,10,10,.85));
  padding: 40px 32px 24px;
  color: var(--white);
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  text-align: center;
}

/* ===== AWARDS ===== */
.awards { background: var(--white); }

.awards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.award-card {
  text-align: center;
  padding: 36px 28px;
  border-radius: var(--radius);
  background: var(--cream);
  border: 1px solid rgba(212,160,23,.2);
  transition: var(--transition);
}
.award-card:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 40px rgba(212,160,23,.15);
  transform: translateY(-4px);
}
.award-icon { font-size: 2.8rem; margin-bottom: 16px; }
.award-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 10px;
}
.award-card p { font-size: .88rem; color: var(--text-lt); line-height: 1.7; }

.distribution {
  text-align: center;
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  border-radius: var(--radius);
  padding: 48px 40px;
}
.distribution h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 28px;
}
.dist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.dist-item {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.85);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: .88rem;
}
.dist-note {
  color: var(--gold-lt);
  font-weight: 600;
  font-size: .95rem;
}

/* ===== CONTACT ===== */
.contact {
  background: linear-gradient(160deg, var(--cream) 0%, #fdeaea 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info .section-title { color: var(--dark); }
.contact-info > p {
  color: var(--text-lt);
  line-height: 1.7;
  margin-bottom: 36px;
}
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 2px 14px rgba(0,0,0,.06);
  transition: var(--transition);
}
.contact-item:hover {
  box-shadow: 0 6px 28px rgba(192,57,43,.12);
  transform: translateX(4px);
}
.contact-icon { font-size: 1.5rem; }
.contact-item div { display: flex; flex-direction: column; }
.contact-item strong { font-size: .95rem; color: var(--dark); }
.contact-item span  { font-size: .85rem; color: var(--text-lt); margin-top: 2px; }

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-form h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  color: var(--dark);
  margin-bottom: 28px;
  text-align: center;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e8d8d8;
  border-radius: 10px;
  font-size: .9rem;
  font-family: 'Be Vietnam Pro', sans-serif;
  color: var(--text);
  background: var(--cream);
  transition: border-color .25s, box-shadow .25s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(192,57,43,.12);
  background: var(--white);
}
.form-group textarea { resize: vertical; }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-logo img {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}
.footer-logo strong {
  display: block;
  color: var(--white);
  font-family: 'Playfair Display', serif;
}
.footer-logo span {
  display: block;
  font-size: .78rem;
  color: rgba(255,255,255,.45);
}
.footer-copy {
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}
.footer-copy a { color: var(--gold-lt); }

/* ===== FLOATING CTA ===== */
.floating-cta {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 58px; height: 58px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 6px 28px rgba(192,57,43,.5);
  transition: var(--transition);
}
.floating-cta:hover { transform: scale(1.1); }
.floating-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(192,57,43,.4);
  animation: pulse 2s infinite;
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 100px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1a5c2a;
  color: var(--white);
  padding: 14px 28px;
  border-radius: 100px;
  font-size: .9rem;
  font-weight: 500;
  box-shadow: 0 8px 30px rgba(0,0,0,.3);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all .4s;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s, transform .7s; }
.reveal--delay  { transition-delay: .15s; }
.reveal--delay2 { transition-delay: .3s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== PARTICLES ===== */
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(212,160,23,.25);
  pointer-events: none;
  animation: float linear infinite;
}

/* ===== KEYFRAMES ===== */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%,100% { transform: rotate(45deg) translateY(0); }
  50%      { transform: rotate(45deg) translateY(6px); }
}
@keyframes pulse {
  0%   { transform: scale(1); opacity: .8; }
  100% { transform: scale(1.5); opacity: 0; }
}
@keyframes float {
  from { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  to   { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-images { height: 340px; }
  .benefits-grid, .awards-grid, .products-grid { grid-template-columns: 1fr 1fr; }
  .dist-grid { grid-template-columns: 1fr 1fr; }
  .product-card--featured { transform: none; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(26,10,10,.97); align-items: center; justify-content: center; gap: 32px; z-index: 800; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; }
  .hamburger { display: flex; z-index: 901; }
  .benefits-grid, .awards-grid, .products-grid, .dist-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 16px; }
  .contact-form-wrap { padding: 28px 20px; }
  .distribution { padding: 32px 20px; }
}