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

:root {
  --primary: #1e3a5f;
  --accent: #e63946;
  --text: #2d2d2d;
  --muted: #888;
  --bg: #fff;
  --bg-alt: #f7f7f7;
  --border: #e8e8e8;
}

html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; -webkit-text-size-adjust: 100%; }
a { color: var(--text); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }
img { display: block; max-width: 100%; }

/* ── NAV ── */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 60px;
  border-bottom: 1px solid var(--border);
  background: #fff;
  position: sticky; top: 0; z-index: 200;
}
.nav-logo { font-size: 1.1rem; font-weight: 800; letter-spacing: .5px; color: var(--primary); }
.nav-logo span { color: var(--accent); }

/* Hamburger */
.nav-toggle { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); transition: all .3s; }
.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); }

/* Mobile nav drawer */
.nav-links {
  display: none; flex-direction: column; gap: 0;
  position: absolute; top: 60px; left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 8px 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.nav-links.open { display: flex; }
.nav-links a { padding: 13px 5%; font-size: 1rem; color: var(--text); border-bottom: 1px solid var(--border); }
.nav-links a:last-child { border-bottom: none; }

/* Desktop nav */
@media (min-width: 768px) {
  nav { height: 68px; }
  .nav-toggle { display: none; }
  .nav-links {
    display: flex; flex-direction: row; gap: 32px;
    position: static; background: none; border: none;
    padding: 0; box-shadow: none;
  }
  .nav-links a { padding: 0; font-size: .9rem; color: var(--muted); border: none; }
  .nav-links a:hover { color: var(--text); }
}

/* ── HERO ── */
.hero-split { display: flex; flex-direction: column; }

.hero-image { order: -1; height: 56vw; max-height: 380px; overflow: hidden; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

.hero-text { padding: 40px 5%; }
.hero-label { font-size: .72rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.hero-text h1 { font-size: clamp(2rem, 8vw, 4rem); font-weight: 300; line-height: 1.25; color: var(--muted); margin-bottom: 16px; }
.hero-text h1 strong { color: var(--text); font-weight: 800; }
.hero-text h1 em { color: var(--accent); font-style: normal; font-weight: 800; }
.hero-text p { font-size: .95rem; color: var(--muted); margin-bottom: 28px; line-height: 1.8; }

.btn-outline {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 12px 28px; font-size: .8rem;
  font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  transition: opacity .2s;
}
.btn-outline:hover { opacity: .85; color: #fff; }

@media (min-width: 768px) {
  .hero-split { flex-direction: row; min-height: 88vh; }
  .hero-image { order: 0; flex: 1; height: auto; max-height: none; }
  .hero-text { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 80px 6%; }
}

/* ── SECTIONS ── */
.section-wrap { padding: 52px 5%; }
.section-wrap.alt { background: var(--bg-alt); }
@media (min-width: 768px) { .section-wrap { padding: 72px 6%; } }

.section-title { font-size: 1.3rem; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--text); margin-bottom: 6px; }
.section-title span { color: var(--accent); }
.section-underline { width: 36px; height: 3px; background: var(--accent); margin-bottom: 32px; }
.section-lead { color: var(--muted); margin-bottom: 32px; font-size: .95rem; }

/* ── BRAND STORY ── */
.story-wrap { padding-top: 0 !important; }

.story-grid { display: flex; flex-direction: column; }

.story-image { height: 64vw; max-height: 420px; overflow: hidden; }
.story-image img { width: 100%; height: 100%; object-fit: cover; }

.story-text { padding: 40px 5%; }
.section-label-sm {
  font-size: .7rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px;
}
.story-text p { color: #555; font-size: .97rem; line-height: 1.85; margin-bottom: 16px; }
.story-text p:last-child { margin-bottom: 0; font-style: italic; color: var(--accent); font-weight: 500; }

@media (min-width: 768px) {
  .story-wrap { padding: 0 !important; }
  .story-grid { flex-direction: row; min-height: 520px; }
  .story-image { flex: 1; height: auto; max-height: none; }
  .story-text {
    flex: 1; display: flex; flex-direction: column; justify-content: center;
    padding: 64px 6%;
  }
}

/* ── COLLECTION ── */
.collection-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.collection-col { display: flex; flex-direction: column; gap: 8px; }
.collection-item { position: relative; overflow: hidden; aspect-ratio: 3/4; }
.collection-item.tall { aspect-ratio: auto; }
.collection-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.collection-item:hover img { transform: scale(1.05); }
.collection-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(230,57,70,.7) 0%, transparent 55%);
  opacity: 0; transition: opacity .3s;
  display: flex; align-items: flex-end; padding: 14px;
}
.collection-item:hover .collection-overlay { opacity: 1; }
.collection-overlay span { color: #fff; font-size: .75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }

@media (min-width: 768px) {
  .collection-grid { grid-template-columns: 1fr 1fr 1fr 1fr; gap: 12px; height: 560px; }
  .collection-item { aspect-ratio: auto; }
  .collection-item.tall { grid-row: span 2; }
  .collection-col { gap: 12px; }
  .collection-overlay span { font-size: .85rem; }
}

/* ── ABOUT ── */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .about-grid { grid-template-columns: 1fr 1fr; gap: 24px; } }

.info-card { border: 1px solid var(--border); padding: 24px; background: #fff; }
.info-card h3 { font-size: .72rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.info-row { display: flex; flex-direction: column; margin-bottom: 14px; }
.info-row .label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.info-row .value { font-size: .95rem; font-weight: 500; color: var(--text); }

/* ── POLICY CARDS ── */
.policy-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .policy-grid { grid-template-columns: 1fr 1fr; gap: 24px; } }

.policy-card { border: 1px solid var(--border); padding: 28px; transition: border-color .2s, box-shadow .2s; }
.policy-card:hover { border-color: var(--accent); box-shadow: 0 4px 20px rgba(230,57,70,.08); }
.policy-card .card-icon { font-size: 1.5rem; margin-bottom: 12px; }
.policy-card h3 { font-size: .95rem; font-weight: 700; margin-bottom: 8px; }
.policy-card p { color: var(--muted); font-size: .88rem; margin-bottom: 18px; }
.policy-card a { font-size: .78rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 640px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }

.contact-item { margin-bottom: 28px; }
.contact-item .label { font-size: .72rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.contact-item p { font-size: .95rem; }

/* ── SỨ MỆNH / TẦM NHÌN ── */
.mission-grid {
  display: grid; grid-template-columns: 1fr; gap: 12px;
}
@media (min-width: 640px) { .mission-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; } }

.mission-card {
  padding: 28px 20px; border: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  transition: border-color .2s, box-shadow .2s;
}
.mission-card:hover { border-color: var(--accent); box-shadow: 0 4px 20px rgba(230,57,70,.07); }
.mission-card.accent { background: var(--accent); border-color: var(--accent); }
.mission-card.accent h3, .mission-card.accent p { color: #fff; }
.mission-icon { font-size: 2rem; margin-bottom: 12px; }
.mission-card h3 { font-size: .95rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.mission-card p { font-size: .87rem; color: var(--muted); line-height: 1.7; }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 0; max-width: 800px; }

.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.faq-item:first-child { border-top: 1px solid var(--border); }

.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 18px 0;
  font-weight: 600; font-size: .97rem; color: var(--text);
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.3rem; color: var(--accent);
  font-weight: 300; flex-shrink: 0; transition: transform .25s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { color: var(--accent); }

.faq-item p {
  padding: 0 0 18px;
  font-size: .92rem; color: var(--muted); line-height: 1.75;
}
.faq-item p a { color: var(--accent); font-weight: 600; }

/* ── CAM KẾT ── */
.commit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (min-width: 768px) {
  .commit-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
}

.commit-card {
  background: #fff;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}
.commit-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,.1);
  transform: translateY(-3px);
}

.commit-img { aspect-ratio: 4/3; overflow: hidden; }
.commit-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.commit-card:hover .commit-img img { transform: scale(1.06); }

.commit-body { padding: 20px 18px 24px; }
.commit-icon { font-size: 1.5rem; margin-bottom: 10px; }
.commit-body h3 {
  font-size: .9rem; font-weight: 700; color: var(--text);
  margin-bottom: 8px; line-height: 1.4;
}
.commit-body p { font-size: .83rem; color: var(--muted); line-height: 1.7; }

/* ── FOOTER ── */
footer { background: var(--accent); color: rgba(255,255,255,.8); font-size: .88rem; }

.footer-main { display: grid; grid-template-columns: 1fr; gap: 28px; padding: 40px 5% 28px; }
@media (min-width: 768px) { .footer-main { grid-template-columns: 2fr 1fr; gap: 60px; padding: 60px 6% 44px; } }

.footer-brand { grid-column: span 1; }

.footer-brand .brand-name { color: #fff; font-size: .95rem; font-weight: 800; margin-bottom: 14px; line-height: 1.4; letter-spacing: .3px; }
.brand-info p { font-size: .83rem; color: rgba(255,255,255,.7); margin-bottom: 5px; line-height: 1.6; }
.brand-info p span { color: rgba(255,255,255,.9); font-weight: 600; }
.footer-brand .brand-name span { color: rgba(255,255,255,.6); }
.footer-brand .brand-tagline { color: rgba(255,255,255,.7); font-size: .75rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 12px; }
.footer-brand p { font-size: .85rem; line-height: 1.7; color: rgba(255,255,255,.6); }

.footer-col h4 { color: #fff; font-size: .7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.25); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a { color: rgba(255,255,255,.75); font-size: .88rem; transition: color .2s; }
.footer-col ul li a:hover { color: #fff; }

.social-icons { display: flex; gap: 10px; flex-wrap: wrap; }
.social-icon { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.4); color: rgba(255,255,255,.8); transition: all .2s; }
.social-icon:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.15); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.25); padding: 16px 5%; display: flex; flex-direction: column; gap: 8px; font-size: .78rem; color: rgba(255,255,255,.6); }
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: #fff; }
@media (min-width: 640px) { .footer-bottom { flex-direction: row; justify-content: space-between; padding: 18px 6%; } }

/* ── POLICY PAGES ── */
.policy-page { max-width: 760px; margin: 0 auto; padding: 40px 5%; }
@media (min-width: 640px) { .policy-page { padding: 64px 24px; } }

.policy-page h1 { font-size: 1.6rem; font-weight: 800; color: var(--text); margin-bottom: 6px; }
@media (min-width: 640px) { .policy-page h1 { font-size: 2rem; } }
.policy-page h1 span { color: var(--accent); }
.policy-page .updated { color: var(--muted); font-size: .85rem; margin-bottom: 36px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.policy-page h2 { font-size: .9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text); margin: 32px 0 10px; }
.policy-page p, .policy-page li { color: #555; font-size: .95rem; margin-bottom: 12px; }
.policy-page ul { padding-left: 20px; }
.policy-page li { margin-bottom: 8px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); margin-bottom: 40px; }
