/*
Theme Name: Anh Sang English
Theme URI: https://example.com
Author: Your Name
Description: Educational site for English learners (VN / ID / IN). Two design templates (V1, V2) selectable per page for A/B testing.
Version: 1.0.0
Text Domain: anhsang
*/

/* ==========================================================================
   1. Design tokens (1:1 перенос из app/globals.css)
   ========================================================================== */

:root {
  color-scheme: light;
  --background: oklch(0.982 0.012 83);
  --foreground: oklch(0.27 0.03 45);
  --card: oklch(0.995 0.008 85);
  --card-foreground: oklch(0.27 0.03 45);
  --popover: oklch(0.995 0.008 85);
  --popover-foreground: oklch(0.27 0.03 45);
  --primary: oklch(0.55 0.16 33);
  --primary-foreground: oklch(0.985 0.01 85);
  --secondary: oklch(0.93 0.03 78);
  --secondary-foreground: oklch(0.35 0.05 45);
  --muted: oklch(0.94 0.02 82);
  --muted-foreground: oklch(0.5 0.03 50);
  --accent: oklch(0.79 0.13 78);
  --accent-foreground: oklch(0.3 0.05 45);
  --destructive: oklch(0.55 0.2 27);
  --border: oklch(0.9 0.02 75);
  --input: oklch(0.9 0.02 75);
  --ring: oklch(0.55 0.16 33);
  --radius: 0.75rem;
  --navy: #1b2a4a;
  --navy-foreground: #f5efe0;
  --jade: #2f6f5e;
  --jade-foreground: #f5efe0;
  --font-sans: 'Be Vietnam Pro', ui-sans-serif, system-ui, sans-serif;
  --font-serif: 'Fraunces', ui-serif, Georgia, serif;
}

/* V2 test variant scope — региональная палитра (см. §2 wordpress-conversion.md) */
.v2-theme {
  --background: #f5efe0;
  --foreground: #1b2a4a;
  --card: #fbf7ee;
  --card-foreground: #1b2a4a;
  --popover: #fbf7ee;
  --popover-foreground: #1b2a4a;
  --primary: #b9392b;
  --primary-foreground: #fdf8ec;
  --secondary: #efe6d2;
  --secondary-foreground: #1b2a4a;
  --muted: #ece2cc;
  --muted-foreground: #6a5f49;
  --accent: #d9a404;
  --accent-foreground: #2a1e05;
  --border: #e2d6bc;
  --input: #e2d6bc;
  --ring: #b9392b;
}

/* ==========================================================================
   2. Base
   ========================================================================== */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .font-serif { font-family: var(--font-serif); }

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

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

.container {
  max-width: 72rem; /* max-w-6xl */
  margin-inline: auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) { .container { padding-inline: 1.5rem; } }

.section-py { padding-block: 4rem; }
@media (min-width: 1024px) { .section-py { padding-block: 6rem; } }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ==========================================================================
   3. Buttons (button.tsx → .btn)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  height: 3rem;
  padding: 0 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 1rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color .15s ease, transform .1s ease;
  cursor: pointer;
}
.btn:hover { background: color-mix(in oklab, var(--primary) 80%, transparent); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 1rem; height: 1rem; flex-shrink: 0; }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--foreground);
}
.btn-outline:hover { background: var(--muted); }

.btn-block { width: 100%; }
.btn-accent { background: var(--accent); color: var(--accent-foreground); }
.btn-accent:hover { background: color-mix(in oklab, var(--accent) 90%, transparent); }

/* ==========================================================================
   4. Header (site-header.tsx)
   ========================================================================== */

.site-header {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  background: color-mix(in oklab, var(--background) 85%, transparent);
  backdrop-filter: blur(8px);
}
.site-header__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; height: 4rem;
}
.brand { display: flex; align-items: center; gap: .625rem; }
.brand-name { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.01em; }

.brand-mark, .lantern-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: .75rem;
  background: var(--primary); color: var(--primary-foreground); flex-shrink: 0;
}
.brand-mark svg, .lantern-mark svg { width: 66%; height: 66%; }

.main-nav { display: none; align-items: center; gap: .25rem; }
.main-nav a {
  border-radius: 999px; padding: .5rem 1rem; font-size: .875rem; font-weight: 500;
  color: color-mix(in oklab, var(--foreground) 80%, transparent);
  transition: background-color .15s, color .15s;
}
.main-nav a:hover { background: var(--secondary); color: var(--foreground); }

.header-actions { display: flex; align-items: center; gap: .5rem; }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border-radius: 999px; border: 1px solid var(--border);
  background: transparent; color: var(--foreground); cursor: pointer;
}
.mobile-nav { display: none; border-top: 1px solid var(--border); background: var(--background); padding: .75rem 1rem; }
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .25rem; }
.mobile-nav a { display: block; border-radius: .75rem; padding: .75rem 1rem; font-weight: 500; color: var(--foreground); }
.mobile-nav a:hover { background: var(--secondary); }
.mobile-nav .btn { margin-top: .5rem; }

@media (min-width: 768px) {
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
  .cta-desktop { display: inline-flex; }
}
@media (max-width: 767px) { .cta-desktop { display: none; } }

/* language switcher */
.lang-switch { position: relative; }
.lang-switch__btn {
  display: inline-flex; align-items: center; gap: .5rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card); padding: .5rem .75rem;
  font-size: .875rem; font-weight: 500; color: var(--foreground); cursor: pointer;
}
.lang-switch__btn:hover { background: var(--secondary); }
.lang-switch__menu {
  position: absolute; right: 0; z-index: 50; margin-top: .5rem; width: 12rem;
  overflow: hidden; border-radius: 1rem; border: 1px solid var(--border);
  background: var(--popover); padding: .25rem; box-shadow: 0 10px 30px rgba(0,0,0,.12);
  list-style: none; display: none;
}
.lang-switch.is-open .lang-switch__menu { display: block; }
.lang-switch__menu a {
  display: flex; align-items: center; justify-content: space-between;
  border-radius: .75rem; padding: .5rem .75rem; font-size: .875rem; color: var(--popover-foreground);
}
.lang-switch__menu a:hover { background: var(--secondary); }
.lang-switch__menu small { margin-left: .5rem; color: var(--muted-foreground); }

/* ==========================================================================
   5. Section heading helper
   ========================================================================== */

.section-heading { max-width: 42rem; }
.section-heading--center { margin-inline: auto; text-align: center; }
.section-heading__eyebrow { font-size: .875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--primary); }
.section-heading__title { margin-top: .5rem; font-size: 1.875rem; font-weight: 600; letter-spacing: -0.01em; }
.section-heading__desc { margin-top: .75rem; font-size: 1.125rem; line-height: 1.6; color: var(--muted-foreground); }
@media (min-width: 640px) { .section-heading__title { font-size: 2.25rem; } }

/* ==========================================================================
   6. Hero (V1)
   ========================================================================== */

.hero { position: relative; overflow: hidden; }
.hero__grid {
  display: grid; gap: 2.5rem; align-items: center;
  padding: 3rem 0 4rem;
}
@media (min-width: 1024px) { .hero__grid { grid-template-columns: 1fr 1fr; gap: 3rem; padding: 5rem 0 6rem; } }

.eyebrow-pill {
  display: inline-flex; align-items: center; gap: .5rem; border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--accent) 50%, transparent);
  background: color-mix(in oklab, var(--accent) 20%, transparent);
  padding: .25rem .75rem; font-size: .75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .04em; color: var(--accent-foreground);
}

.hero__title { margin-top: 1.25rem; font-size: 2.25rem; font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; }
.hero__title em { font-style: italic; color: var(--primary); }
@media (min-width: 640px) { .hero__title { font-size: 3rem; } }
@media (min-width: 1024px) { .hero__title { font-size: 3.75rem; } }

.hero__desc { margin-top: 1.25rem; font-size: 1.125rem; line-height: 1.6; color: var(--muted-foreground); max-width: 36rem; }
.hero__ctas { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .75rem; }

.hero__stats {
  margin-top: 2.5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  border-top: 1px solid var(--border); padding-top: 1.5rem;
}
.hero__stat-value { display: block; font-size: 1.5rem; font-weight: 600; }
@media (min-width: 640px) { .hero__stat-value { font-size: 1.875rem; } }
.hero__stat-label { display: block; margin-top: .25rem; font-size: .875rem; color: var(--muted-foreground); }

.hero__media { position: relative; }
.hero__frame {
  position: relative; overflow: hidden; border-radius: 2rem;
  border: 1px solid var(--border); background: var(--card); box-shadow: 0 20px 45px rgba(0,0,0,.12);
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 720/820; }
.hero__frame-accent {
  position: absolute; bottom: -1rem; right: -1rem; z-index: -1;
  width: 100%; height: 100%; border-radius: 2rem; border: 2px solid color-mix(in oklab, var(--accent) 60%, transparent);
}

/* ==========================================================================
   7. Tracks (skills grid)
   ========================================================================== */

.tracks-grid { margin-top: 3rem; display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .tracks-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tracks-grid { grid-template-columns: repeat(4, 1fr); } }

.track-card {
  border-radius: 1.5rem; border: 1px solid var(--border); background: var(--card);
  padding: 1.5rem; transition: border-color .15s;
}
.track-card:hover { border-color: color-mix(in oklab, var(--primary) 40%, transparent); }
.track-card:hover .track-card__icon { background: var(--primary); color: var(--primary-foreground); }
.track-card__icon {
  display: inline-flex; align-items: center; justify-content: center; width: 3rem; height: 3rem;
  border-radius: 1rem; background: color-mix(in oklab, var(--primary) 10%, transparent); color: var(--primary);
  transition: background-color .15s, color .15s;
}
.track-card__title { margin-top: 1.25rem; font-size: 1.25rem; font-weight: 600; }
.track-card__desc { margin-top: .5rem; line-height: 1.6; color: var(--muted-foreground); }

/* ==========================================================================
   8. Featured articles
   ========================================================================== */

.section-muted { background: color-mix(in oklab, var(--secondary) 40%, transparent); padding: 4rem 0; }
@media (min-width: 1024px) { .section-muted { padding: 6rem 0; } }

.section-head-row {
  display: flex; flex-direction: column; gap: 1.5rem; justify-content: space-between;
}
@media (min-width: 640px) { .section-head-row { flex-direction: row; align-items: flex-end; } }
.link-arrow { display: inline-flex; align-items: center; gap: .375rem; font-size: .875rem; font-weight: 600; color: var(--primary); flex-shrink: 0; }
.link-arrow:hover { text-decoration: underline; }

.articles-grid { margin-top: 3rem; display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .articles-grid { grid-template-columns: repeat(3, 1fr); } }

.article-card {
  display: flex; flex-direction: column; overflow: hidden; border-radius: 1.5rem;
  border: 1px solid var(--border); background: var(--card); transition: box-shadow .2s;
}
.article-card:hover { box-shadow: 0 15px 35px rgba(0,0,0,.1); }
.article-card__media { position: relative; display: block; aspect-ratio: 4/3; overflow: hidden; }
.article-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.article-card:hover .article-card__media img { transform: scale(1.05); }
.article-card__tag {
  position: absolute; left: 1rem; top: 1rem; border-radius: 999px;
  background: color-mix(in oklab, var(--background) 90%, transparent); padding: .25rem .75rem;
  font-size: .75rem; font-weight: 600; backdrop-filter: blur(4px);
}
.article-card__body { display: flex; flex: 1; flex-direction: column; padding: 1.5rem; }
.article-card__meta { font-size: .75rem; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; color: var(--muted-foreground); }
.article-card__title { margin-top: .5rem; font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
.article-card__excerpt { margin-top: .5rem; flex: 1; line-height: 1.6; color: var(--muted-foreground); }
.article-card__more { margin-top: 1rem; display: inline-flex; align-items: center; gap: .25rem; font-size: .875rem; font-weight: 600; color: var(--primary); }

/* ==========================================================================
   9. Why us
   ========================================================================== */

.why-grid { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 1024px) { .why-grid { grid-template-columns: repeat(2, 1fr); gap: 4rem; } }
.why-media { position: relative; order: 2; }
@media (min-width: 1024px) { .why-media { order: 0; } }
.why-media__frame { overflow: hidden; border-radius: 2rem; border: 1px solid var(--border); box-shadow: 0 15px 35px rgba(0,0,0,.1); }
.why-media__frame img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.why-media__accent {
  position: absolute; left: -1rem; top: -1rem; z-index: -1; width: 100%; height: 100%;
  border-radius: 2rem; border: 2px solid color-mix(in oklab, var(--primary) 40%, transparent);
}
.why-points { margin-top: 2rem; list-style: none; padding: 0; display: flex; flex-direction: column; gap: 1.5rem; }
.why-point { display: flex; gap: 1rem; }
.why-point__icon {
  display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem;
  border-radius: 1rem; background: color-mix(in oklab, var(--accent) 25%, transparent); color: var(--accent-foreground); flex-shrink: 0;
}
.why-point__title { font-size: 1.125rem; font-weight: 600; }
.why-point__desc { margin-top: .25rem; line-height: 1.6; color: var(--muted-foreground); }

/* ==========================================================================
   10. FAQ (аккордеон, нативный details/summary)
   ========================================================================== */

.faq-layout { display: grid; gap: 2.5rem; }
@media (min-width: 1024px) { .faq-layout { grid-template-columns: 0.9fr 1.1fr; gap: 4rem; } }

.faq-list, .faq-list-plain { list-style: none; margin: 0; padding: 0; }
.faq-list { overflow: hidden; border-radius: 1.5rem; border: 1px solid var(--border); background: var(--card); }
.faq-list li + li,
.faq-list details + details { border-top: 1px solid var(--border); }

.faq-list details { padding: 0 1.5rem; }
.faq-list summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.25rem 0; cursor: pointer; font-weight: 500; list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .plus { flex-shrink: 0; color: var(--primary); transition: transform .2s; }
.faq-list details[open] summary .plus { transform: rotate(45deg); }
.faq-list details p { padding-bottom: 1.25rem; margin: 0; line-height: 1.6; color: var(--muted-foreground); }

/* V2 standalone faq card style */
.faq-card { border-radius: 1rem; border: 1px solid var(--border); background: var(--card); padding: 0 1.25rem; margin-bottom: .75rem; }
.faq-card summary { padding: 1rem 0; }
.faq-card p { padding-bottom: 1rem; }

/* ==========================================================================
   11. Newsletter
   ========================================================================== */

.newsletter-box {
  position: relative; overflow: hidden; border-radius: 2.5rem; background: var(--primary);
  color: var(--primary-foreground); text-align: center; padding: 3.5rem 1.5rem;
}
@media (min-width: 640px) { .newsletter-box { padding: 3.5rem 3rem; } }
.newsletter-box__inner { position: relative; margin-inline: auto; max-width: 42rem; }
.newsletter-box__icon {
  display: inline-flex; align-items: center; justify-content: center; width: 3.5rem; height: 3.5rem;
  border-radius: 1rem; background: color-mix(in oklab, var(--primary-foreground) 15%, transparent);
}
.newsletter-box__title { margin-top: 1.25rem; font-size: 1.875rem; font-weight: 600; }
@media (min-width: 640px) { .newsletter-box__title { font-size: 2.25rem; } }
.newsletter-box__desc { margin-top: .75rem; font-size: 1.125rem; line-height: 1.6; color: color-mix(in oklab, var(--primary-foreground) 85%, transparent); }

.newsletter-form { margin: 2rem auto 0; display: flex; max-width: 28rem; flex-direction: column; gap: .75rem; }
@media (min-width: 640px) { .newsletter-form { flex-direction: row; } }
.newsletter-form input {
  height: 3rem; flex: 1; border-radius: 999px; border: 1px solid color-mix(in oklab, var(--primary-foreground) 25%, transparent);
  background: color-mix(in oklab, var(--primary-foreground) 10%, transparent); padding: 0 1.25rem;
  color: var(--primary-foreground); font: inherit;
}
.newsletter-form input::placeholder { color: color-mix(in oklab, var(--primary-foreground) 60%, transparent); }
.newsletter-form .btn { background: var(--primary-foreground); color: var(--primary); }
.newsletter-form .btn:hover { background: color-mix(in oklab, var(--primary-foreground) 90%, transparent); }
.newsletter-box__note { margin-top: 1rem; font-size: .875rem; color: color-mix(in oklab, var(--primary-foreground) 70%, transparent); }

/* V2 newsletter — navy card */
.newsletter-box--navy { background: var(--navy); color: var(--navy-foreground); border: 1px solid color-mix(in oklab, var(--accent) 30%, transparent); box-shadow: 0 15px 35px rgba(0,0,0,.15); }
.newsletter-box--navy .newsletter-form input { border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.1); color: var(--navy-foreground); }
.newsletter-box--navy .newsletter-form .btn { background: var(--accent); color: var(--accent-foreground); }

/* ==========================================================================
   12. Footer
   ========================================================================== */

.site-footer { border-top: 1px solid var(--border); background: var(--background); }
.footer-grid { display: grid; gap: 2.5rem; padding: 3.5rem 0; grid-template-columns: 1fr; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.footer-brand { grid-column: span 1; }
@media (min-width: 1024px) { .footer-brand { grid-column: span 2; max-width: 24rem; } }
.footer-brand__desc { margin-top: 1rem; line-height: 1.6; color: var(--muted-foreground); }
.footer-col h3 { font-size: .875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.footer-col ul { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-direction: column; gap: .75rem; }
.footer-col a { color: var(--muted-foreground); transition: color .15s; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  display: flex; flex-direction: column; gap: 1rem; border-top: 1px solid var(--border);
  padding: 1.5rem 0; font-size: .875rem; color: var(--muted-foreground);
}
@media (min-width: 640px) { .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; } }

/* V2 footer — navy */
.site-footer--navy { background: var(--navy); color: var(--navy-foreground); border-top: none; }
.site-footer--navy .footer-col h3 { color: var(--accent); }
.site-footer--navy .footer-col a,
.site-footer--navy .footer-brand__desc { color: color-mix(in oklab, var(--navy-foreground) 75%, transparent); }
.site-footer--navy .footer-col a:hover { color: var(--navy-foreground); }
.site-footer--navy .footer-bottom { border-top-color: rgba(255,255,255,.1); }
.footer-langs { display: flex; flex-wrap: wrap; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.footer-langs a:hover { color: var(--accent); }

/* ==========================================================================
   13. V2: header (navy)
   ========================================================================== */

.site-header--v2 {
  position: sticky; top: 0; z-index: 50; background: var(--navy); color: var(--navy-foreground);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.site-header--v2 .main-nav a { color: color-mix(in oklab, var(--navy-foreground) 80%, transparent); }
.site-header--v2 .main-nav a:hover { background: rgba(255,255,255,.1); color: var(--navy-foreground); }
.site-header--v2 .nav-toggle { color: var(--navy-foreground); border-color: transparent; }
.site-header--v2 .nav-toggle:hover { background: rgba(255,255,255,.1); }
.site-header--v2 .mobile-nav { background: var(--navy); border-top-color: rgba(255,255,255,.1); }
.site-header--v2 .mobile-nav a { color: color-mix(in oklab, var(--navy-foreground) 90%, transparent); }
.site-header--v2 .mobile-nav a:hover { background: rgba(255,255,255,.1); }
.brand-tagline { font-size: .75rem; color: var(--accent); }

/* ==========================================================================
   14. V2: hero
   ========================================================================== */

.hero--v2 { border-bottom: 1px solid var(--border); background: var(--background); }
.hero--v2 .hero__grid { padding: 3.5rem 0; }
@media (min-width: 1024px) { .hero--v2 .hero__grid { grid-template-columns: 1.05fr .95fr; padding: 5rem 0; } }
.eyebrow-pill--v2 {
  display: inline-flex; align-items: center; gap: .5rem; border-radius: 999px;
  background: color-mix(in oklab, var(--primary) 10%, transparent); color: var(--primary);
  padding: .25rem .75rem; font-size: .875rem; font-weight: 500;
}
.hero__badges { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; list-style: none; padding: 0; }
.hero__badge { display: inline-flex; align-items: center; gap: .5rem; font-size: .875rem; font-weight: 500; }
.hero__badge-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 1.25rem; height: 1.25rem;
  border-radius: 999px; background: color-mix(in oklab, var(--jade) 15%, transparent); color: var(--jade);
}
.hero__rating {
  position: absolute; bottom: -1rem; left: -1rem; border-radius: 1rem; border: 1px solid var(--border);
  background: var(--card); padding: .75rem 1rem; box-shadow: 0 10px 25px rgba(0,0,0,.12);
}
.hero__rating-value { font-size: 1.5rem; font-weight: 600; color: var(--primary); }
.hero__rating-label { font-size: .75rem; color: var(--muted-foreground); }
.hero--v2 .hero__frame { aspect-ratio: 4/5; }
.hero--v2 .hero__frame img { aspect-ratio: 4/5; }

/* ==========================================================================
   15. V2: trust strip, features, articles, testimonials
   ========================================================================== */

.trust-strip { background: var(--navy); color: var(--navy-foreground); padding: 2.5rem 0; }
.trust-strip__title { text-align: center; font-size: .875rem; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; color: var(--accent); }
.trust-stats { margin-top: 1.5rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media (min-width: 768px) { .trust-stats { grid-template-columns: repeat(4, 1fr); } }
.trust-stats > div { text-align: center; }
.trust-stats .value { display: block; font-size: 1.875rem; font-weight: 600; }
@media (min-width: 640px) { .trust-stats .value { font-size: 2.25rem; } }
.trust-stats .label { display: block; margin-top: .25rem; font-size: .875rem; color: color-mix(in oklab, var(--navy-foreground) 70%, transparent); }

.features-grid { margin-top: 2.5rem; display: grid; gap: 1rem; grid-template-columns: 1fr; list-style: none; padding: 0; }
@media (min-width: 640px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature-item { display: flex; gap: 1rem; border-radius: 1rem; border: 1px solid var(--border); background: var(--card); padding: 1.25rem; transition: border-color .15s; }
.feature-item:hover { border-color: color-mix(in oklab, var(--primary) 40%, transparent); }
.feature-item__icon { display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem; border-radius: .75rem; background: color-mix(in oklab, var(--primary) 10%, transparent); color: var(--primary); flex-shrink: 0; }
.feature-item h3 { margin: 0; font-weight: 600; font-family: var(--font-sans); }
.feature-item p { margin: .25rem 0 0; font-size: .875rem; line-height: 1.6; color: var(--muted-foreground); }

.articles-grid--v2 .article-card { border-radius: 1rem; }
.article-card__meta-row { display: flex; align-items: center; gap: .75rem; font-size: .75rem; font-weight: 500; }
.article-card__cat { border-radius: 999px; background: color-mix(in oklab, var(--primary) 10%, transparent); color: var(--primary); padding: .25rem .625rem; }
.article-card__time { display: inline-flex; align-items: center; gap: .25rem; color: var(--muted-foreground); }

.testimonials-grid { margin-top: 2.5rem; display: grid; gap: 1.5rem; grid-template-columns: 1fr; list-style: none; padding: 0; }
@media (min-width: 768px) { .testimonials-grid { grid-template-columns: repeat(3, 1fr); } }
.testimonial-card { display: flex; flex-direction: column; border-radius: 1rem; border: 1px solid var(--border); background: var(--card); padding: 1.5rem; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.testimonial-card__stars { color: var(--accent); }
.testimonial-card blockquote { margin: 1rem 0 0; flex: 1; line-height: 1.6; }
.testimonial-card figcaption { margin-top: 1.5rem; display: flex; align-items: center; gap: .75rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.testimonial-card figcaption img { width: 3rem; height: 3rem; border-radius: 999px; object-fit: cover; }
.testimonial-card figcaption .name { font-weight: 600; margin: 0; }
.testimonial-card figcaption .loc { font-size: .875rem; color: var(--muted-foreground); margin: 0; }

/* ==========================================================================
   16. Blog / single / FAQ page
   ========================================================================== */

.post-list { display: grid; gap: 1.5rem; grid-template-columns: 1fr; padding: 3rem 0; }
@media (min-width: 768px) { .post-list { grid-template-columns: repeat(3, 1fr); } }
.single-post { max-width: 46rem; margin-inline: auto; padding: 3rem 1rem; line-height: 1.7; }
.single-post h1 { font-size: 2.25rem; margin-bottom: .5rem; }
.single-post .post-meta { color: var(--muted-foreground); font-size: .875rem; margin-bottom: 2rem; }
.faq-page { max-width: 46rem; margin-inline: auto; padding: 3rem 1rem; }

/* Vietnamese/Indonesian text runs ~15-30% longer — avoid uppercase transforms
   on buttons (breaks diacritics) and let containers grow rather than clip. */
.btn, .eyebrow-pill, .section-heading__eyebrow { text-transform: none; }