/* ==========================================================
   ÚÙ Creative Studio — design tokens từ Figma
   ========================================================== */
:root {
  --ink: #1b1b1b;        /* theme inverse / nền tối */
  --paper: #ffffff;      /* theme / trắng */
  --brand: #ff500d;      /* cam brand */
  --gold: #ffba0d;       /* vàng store widget */
  --brand-tint: rgba(255, 80, 13, 0.1);
  --radius-card: 24px;
  --radius-box: 16px;
  --gap: 24px;
  --font-display: 'Bungee', cursive;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- Buttons & tags (Component/Button, Component/Tag) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 10000px;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--paper);
  white-space: nowrap;
  border: none;
  cursor: pointer;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn--neutral { background: var(--ink); }
.btn--brand { background: var(--brand); }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid var(--paper);
  border-radius: 10000px;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--paper);
  white-space: nowrap;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--ink);
}
.site-header__logo img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
}
.site-header__nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
.menu-toggle { display: none; }

/* ---------- Mobile menu overlay (/menu) ---------- */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--ink);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.menu-overlay.is-open { display: flex; }
.menu-overlay__close {
  position: absolute;
  top: 27px;
  right: 24px;
  width: 42px;
  height: 42px;
  padding: 0;
  font-size: 18px;
  line-height: 1;
}

/* ---------- Layout ---------- */
.page-body {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}
.section {
  padding: 40px 24px;
}

/* ---------- Intro grid (Section - Introduction) ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  min-height: 822px; /* Figma: 742 nội dung + 80 padding (border-box) */
}
.intro-col {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: var(--gap);
}
.card {
  border-radius: var(--radius-card);
  padding: 40px;
  display: flex;
  flex-direction: column;
}
.card--hello {
  background: var(--paper);
  color: var(--ink);
  grid-row: span 2;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.card--hello .eyebrow {
  text-transform: uppercase;
  margin-bottom: 24px;
}
.card--hello h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 4.5vw, 64px);
  line-height: normal;
}
.card--store {
  background: var(--gold);
  color: var(--ink);
  justify-content: space-between;
  gap: 24px;
  transition: transform .15s ease;
}
.card--store:hover { transform: translateY(-3px); }
.card--store h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
}
.card--store .store-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  width: 100%;
}
.card--store .store-row p {
  flex: 1 0 0;
  min-width: 1px;
  text-transform: uppercase;
}
.card--services {
  background: var(--ink);
  border: 1px solid var(--paper);
  gap: 24px;
}
.card--services h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
}
.card--services .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.card--ceo {
  position: relative;
  background: var(--brand);
  color: var(--ink);
  grid-row: span 2;
  overflow: hidden;
  gap: 24px;
}
.card--ceo h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
}
.card--ceo .ceo-photo {
  position: absolute;
  left: -27px;
  bottom: -72px;
  width: 390px;
  height: 395px;
  object-fit: cover;
}
.card--ceo .ceo-caption {
  position: absolute;
  right: 40px;
  bottom: 20px;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--paper);
  text-align: right;
}

/* ---------- About (Section - About us) ---------- */
.about {
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: center;
}
.about h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
  text-transform: uppercase;
}
.about p { font-size: 24px; }

/* ---------- Projects / blogs grid (Section - Project) ---------- */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}
.project-grid .card--blogs {
  background: var(--paper);
  color: var(--ink);
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.card--blogs h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 4.5vw, 64px);
}
.card--blogs p { font-size: 24px; }

.article-cover {
  position: relative;
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 604 / 359; /* Figma: cover trên trang chủ 604×359 */
  transition: transform .15s ease;
}
.blog-grid .article-cover { aspect-ratio: 588 / 399; } /* Figma: cover trang blog + related 588×399 */
.article-cover:hover { transform: translateY(-3px); }
.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-cover__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(27, 27, 27, 0) 30%, rgba(27, 27, 27, .85) 100%);
  color: var(--paper);
  opacity: 0;
  transition: opacity .2s ease;
}
.article-cover:hover .article-cover__overlay,
.article-cover:focus-visible .article-cover__overlay { opacity: 1; }
.article-cover__overlay strong {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
}
.article-cover__overlay span { font-size: 16px; }

/* ---------- Blog listing ---------- */
.page-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
  text-transform: uppercase;
  padding: 40px 40px 0;
}
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  padding: 32px 40px 40px;
}

/* ---------- Article pages ---------- */
.article-title {
  font-family: var(--font-display);
  text-align: center;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 40px 40px 32px; /* Figma: body pad 40, gap 32 */
}
.article-title .eyebrow-line { font-size: 24px; opacity: .5; }
.article-title h1 { font-size: 40px; font-weight: 400; }

.article-content {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-card);
  margin: 0 40px;
  padding: 32px 64px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.article-content h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 24px;
}
.article-content h3 { font-size: 18px; }
.article-content ul { padding-left: 24px; display: flex; flex-direction: column; gap: 8px; }
.article-content figure { display: flex; justify-content: center; }
.article-content figure img { border-radius: var(--radius-box); }
.summary-box {
  background: var(--brand-tint);
  border-radius: var(--radius-box);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.summary-box strong { font-weight: 600; }

.related {
  margin-top: 32px; /* Figma: gap 32 giữa card nội dung và related */
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.related h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 40px;
  text-transform: uppercase;
}
.related .blog-grid { padding: 0; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 80px 24px;
  text-align: center;
}
/* Trang bài viết: footer nằm trong body pad 40, cách related 32 (Figma) */
body:has(.article-content) .site-footer {
  margin: 32px 40px 40px;
}

/* ==========================================================
   Mobile (bản Mobile trong Figma)
   ========================================================== */
@media (max-width: 899px) {
  .site-header__nav { display: none; }
  .desktop-contact { display: none; }
  .menu-toggle {
    display: inline-flex;
    width: 42px;
    height: 42px;
    padding: 0;
    font-size: 18px;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .intro-col { grid-template-rows: none; }
  .card--hello { min-height: 439px; } /* Figma mobile: 439 */
  .card--ceo { min-height: 439px; }
  .card--store, .card--services { min-height: 207px; } /* Figma mobile: 207 */
  .card { padding: 24px; }
  .card--hello h1 { font-size: 40px; }
  .about p { font-size: 20px; }
  .project-grid { grid-template-columns: 1fr; }
  .article-cover { aspect-ratio: 327 / 316; } /* Figma mobile home 327×316 */
  .blog-grid .article-cover { aspect-ratio: 1 / 1; } /* Figma mobile blog 327×327 */
  .page-title { padding: 40px 24px 0; }
  .blog-grid { padding: 32px 24px 40px; }
  .article-content { margin: 0; border-radius: 0; padding: 32px 34px; } /* Figma mobile: lề 34 */
  .article-title { padding: 40px 16px 32px; } /* Figma mobile: lề 16 */
  .article-title h1 { font-size: 40px; }
  .article-title .eyebrow-line { font-size: 20px; }
  .related { padding: 40px 24px; }
  body:has(.article-content) .site-footer { margin: 32px 0 40px; } /* Figma mobile: body pl/pr 0 */
}

/* ---------- Article figures & info table ---------- */
.article-content figure img { width: 100%; height: auto; }
.fig-400 { max-width: 400px; }
.fig-500 { max-width: 500px; }
.fig-600 { max-width: 600px; }
.fig-800 { max-width: 800px; }
.fig-full { max-width: 100%; }
.fig-200 { max-width: 200px; }

.info-table {
  border: 1px solid var(--ink);
  border-radius: var(--radius-box);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.info-table .row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
}
.info-table .row > strong { font-weight: 600; }
.info-table ul { padding-left: 20px; }
@media (max-width: 899px) {
  .info-table .row { grid-template-columns: 1fr; gap: 4px; }
}
.next-note { opacity: .7; }