/* NINOLA Studio — cream white gallery theme */
:root {
  --cream: #faf8f5;
  --cream-dark: #f0ebe3;
  --white: #ffffff;
  --ink: #1a1a1a;
  --ink-muted: #5c5c5c;
  --ink-light: #8a8a8a;
  --accent: #2c2c2c;
  --price-bar: rgba(0, 0, 0, 0.72);
  --border: rgba(26, 26, 26, 0.08);
  --shadow: 0 4px 24px rgba(26, 26, 26, 0.06);
  --shadow-hover: 0 8px 32px rgba(26, 26, 26, 0.12);
  --font-serif: "Cormorant Garamond", "Georgia", serif;
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
  /* Vutoka-aligned Jaldi typography */
  --font-display: "Jaldi", var(--font-sans);
  --nav-size: 1.0625rem; /* 17px — header navigation */
  --display-size: 1.691875rem; /* 27.07px — home style labels */
  --heading-size: 1.9128125rem; /* 30.605px — section titles e.g. Top Trending */
  --display-color: #333333;
  --header-h: 72px;
  --container: 1280px;
  --gap: 1rem;
  --radius: 2px;
  --transition: 0.25s ease;
  --gallery-ease: cubic-bezier(0.33, 1, 0.68, 1);
  --gallery-duration: 0.65s;
}

/* Vietnamese — unified Roboto (avoids mixed Jaldi/Cormorant sizing) */
html[lang="vi"] {
  --font-sans: "Roboto", "Segoe UI", system-ui, sans-serif;
  --font-serif: "Roboto", "Segoe UI", system-ui, sans-serif;
  --font-display: "Roboto", "Segoe UI", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

html.ninola-modal-open,
body.ninola-modal-open {
  overflow: hidden;
  overscroll-behavior: none;
}

body.ninola-modal-open {
  position: fixed;
  width: 100%;
  left: 0;
  right: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

.container {
  width: min(100% - 2rem, var(--container));
  max-width: 100%;
  margin-inline: auto;
  padding-inline: 0;
  box-sizing: border-box;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.5rem 0;
}

.site-logo {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Logo image — occasional soft light sweep */
.site-logo-mark {
  position: relative;
  display: inline-block;
  overflow: hidden;
  line-height: 0;
  vertical-align: middle;
}

.site-logo-mark img {
  display: block;
  max-height: 52px;
  width: auto;
  height: auto;
  position: relative;
  z-index: 1;
}

.site-logo-shine {
  position: absolute;
  top: -10%;
  bottom: -10%;
  left: -70%;
  width: 42%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    transparent 0%,
    rgba(255, 255, 255, 0.15) 32%,
    rgba(255, 255, 255, 0.95) 48%,
    rgba(255, 255, 255, 0.95) 52%,
    rgba(255, 255, 255, 0.15) 68%,
    transparent 100%
  );
  transform: skewX(-16deg);
  mix-blend-mode: screen;
  opacity: 0;
  animation: logo-shine-sweep 10s ease-in-out infinite;
}

.site-logo:hover .site-logo-shine {
  animation-duration: 8s;
}

@keyframes logo-shine-sweep {
  0%,
  55% {
    left: -70%;
    opacity: 0;
  }
  58% {
    left: -70%;
    opacity: 1;
  }
  82% {
    left: 130%;
    opacity: 1;
  }
  86%,
  100% {
    left: 130%;
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-logo-shine {
    animation: none;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
  flex-shrink: 0;
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-size: var(--nav-size);
  font-weight: 400;
  color: var(--display-color);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lang-switch button {
  background: none;
  border: none;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  opacity: 0.45;
  transition: opacity var(--transition);
}

.lang-switch button.active,
.lang-switch button:hover {
  opacity: 1;
}

.lang-switch .sep { opacity: 0.3; }

/* Footer social icons (FB / Ins / X / TikTok / Zalo) */
.social-icon-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.125rem;
  margin-top: 1.25rem;
}

.social-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  color: var(--ink-muted);
  opacity: 0.72;
  transition: opacity var(--transition), color var(--transition);
}

.social-icon-link:hover {
  opacity: 1;
  color: var(--ink);
}

.social-icon-link[aria-label="Zalo"]:hover {
  color: #0068ff;
}

.social-icon-link svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
  display: block;
}

/* Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: var(--transition);
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.open span::after { top: 0; transform: rotate(-45deg); }

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.1rem 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.45rem 0.55rem;
  font-family: var(--font-display);
  font-size: var(--nav-size);
  font-weight: 400;
  color: var(--display-color);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.25rem;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-item:hover > .nav-link::after,
.nav-item.active > .nav-link::after {
  transform: scaleX(1);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.nav-item.has-children:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 0.5rem 1rem;
  font-family: var(--font-display);
  font-size: var(--nav-size);
  font-weight: 400;
  color: var(--display-color);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background var(--transition);
}

.nav-dropdown a:hover {
  background: var(--cream);
}

.nav-chevron {
  display: inline-block;
  margin-left: 0.25rem;
  font-size: 0.6rem;
  opacity: 0.5;
}

/* Main content */
main {
  flex: 1;
}

.page-section {
  padding: 2.5rem 0;
}

/* Home — hero + featured feel like one block */
#home-hero-section.page-section {
  padding-top: 1.75rem;
  padding-bottom: 0.25rem;
}

#home-hero-section + .page-section {
  padding-top: 0.75rem;
  padding-bottom: 0.5rem;
}

#trending-section.page-section {
  padding-top: 0.75rem;
  padding-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--heading-size);
  font-weight: 700;
  color: var(--display-color);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 1.5rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--ink-muted);
  margin: -1rem 0 2rem;
  font-size: 0.95rem;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}

.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span[aria-current] { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn:hover {
  background: transparent;
  color: var(--ink);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--white);
}

.btn-block { width: 100%; }

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  color: var(--ink-muted);
}

.form-group label .req { color: #c44; }

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--ink);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-message {
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.form-message.success {
  background: #e8f5e9;
  color: #2e7d32;
}

.form-message.error {
  background: #ffebee;
  color: #c62828;
}

/* Footer */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
}

.footer-brand p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.footer-map {
  margin-top: 1rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f5f5f5;
}

.footer-map iframe {
  display: block;
  width: 100%;
  height: 180px;
  border: 0;
}

.footer-contact-title {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
  color: var(--ink-muted);
}

.footer-contact-line {
  display: block;
  margin-top: 0.35rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.footer-contact-line:hover { color: var(--ink); }

.footer-catalog h4 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  color: var(--ink-muted);
}

.footer-catalog ul {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 1rem;
}

.footer-catalog li { margin-bottom: 0.35rem; }

.footer-catalog a {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.footer-catalog a:hover { color: var(--ink); }

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-light);
}

/* Placeholder / empty states */
.placeholder-block {
  background: linear-gradient(135deg, var(--cream-dark) 0%, #e8e2d9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-light);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--ink-muted);
}

.empty-state p { margin: 0 0 1rem; }

.skeleton {
  background: linear-gradient(90deg, var(--cream-dark) 25%, var(--cream) 50%, var(--cream-dark) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Loading */
.page-loading {
  opacity: 0.5;
  pointer-events: none;
}

/* Responsive — breakpoints: 640, 980, 1280 */
@media (max-width: 979px) {
  .nav-toggle { display: flex; align-items: center; justify-content: center; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    padding: 1rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 99;
  }

  .main-nav.open { transform: translateX(0); }

  .nav-item { border-bottom: 1px solid var(--border); }

  .nav-link { padding: 1rem 0.5rem; }

  .nav-link::after { display: none; }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    box-shadow: none;
    padding: 0 0 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }

  .nav-item.has-children.open .nav-dropdown {
    max-height: 300px;
    padding-bottom: 0.5rem;
  }

  .nav-item.has-children > .nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .header-inner {
    flex-wrap: nowrap;
  }

  .main-nav {
    flex: 1;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (min-width: 1280px) {
  :root {
    --gap: 1.25rem;
  }
}