/*
Theme Name: Astra ThinkAI
Theme URI: https://thinkai.com.vn
Description: Child theme của Astra, tùy biến UI cho ThinkAI Enterprise Consulting. Brand tokens + Be Vietnam Pro + component primitives.
Author: ThinkAI Team
Author URI: https://thinkai.com.vn
Template: astra
Version: 1.1.0
Text Domain: astra-thinkai
License: GPL v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: education, ai, business
*/

/* =========================================================
   BRAND TOKENS — extract tu logo ThinkAI Enterprise Consulting
   Nguon: 05-assets/logos/logo.png
   ========================================================= */
:root {
  /* PRIMARY (BLUE) */
  --tt-blue-50:  #EEF3FB;
  --tt-blue-100: #D4E0F3;
  --tt-blue-200: #A9C0E6;
  --tt-blue-300: #7EA1DA;
  --tt-blue-400: #4D7DC4;
  --tt-blue-500: #1C4C9D;
  --tt-blue-600: #174288;
  --tt-blue-700: #123673;
  --tt-blue-800: #0D2A5E;
  --tt-blue-900: #081E49;

  /* ACCENT (ORANGE) */
  --tt-orange-50:  #FEF2EC;
  --tt-orange-100: #FCDEC9;
  --tt-orange-200: #F9BC93;
  --tt-orange-300: #F69A5D;
  --tt-orange-400: #F47B3C;
  --tt-orange-500: #F26A3B;
  --tt-orange-600: #D9552A;
  --tt-orange-700: #B8421F;
  --tt-orange-800: #932F16;
  --tt-orange-900: #6D200F;

  /* SEMANTIC */
  --tt-green-500:  #49BA6F;
  --tt-green-600:  #3A9B5B;
  --tt-yellow-500: #E6C80A;
  --tt-red-500:    #DC2626;
  --tt-red-600:    #B91C1C;

  /* NEUTRAL */
  --tt-gray-50:  #F8FAFC;
  --tt-gray-100: #F1F5F9;
  --tt-gray-200: #E2E8F0;
  --tt-gray-300: #CBD5E1;
  --tt-gray-400: #94A3B8;
  --tt-gray-500: #64748B;
  --tt-gray-600: #475569;
  --tt-gray-700: #334155;
  --tt-gray-800: #1E293B;
  --tt-gray-900: #0F172A;
  --tt-white: #FFFFFF;
  --tt-black: #000000;

  /* ALIASES */
  --tt-color-primary:        var(--tt-blue-500);
  --tt-color-primary-hover:  var(--tt-blue-600);
  --tt-color-primary-active: var(--tt-blue-700);
  --tt-color-primary-soft:   var(--tt-blue-50);
  --tt-color-accent:         var(--tt-orange-500);
  --tt-color-accent-hover:   var(--tt-orange-600);
  --tt-color-accent-active:  var(--tt-orange-700);
  --tt-color-accent-soft:    var(--tt-orange-50);
  --tt-color-success: var(--tt-green-500);
  --tt-color-warning: var(--tt-yellow-500);
  --tt-color-error:   var(--tt-red-500);
  --tt-color-text:        var(--tt-gray-900);
  --tt-color-text-muted:  var(--tt-gray-500);
  --tt-color-text-soft:   var(--tt-gray-400);
  --tt-color-text-invert: var(--tt-white);
  --tt-color-bg:       var(--tt-white);
  --tt-color-bg-alt:   var(--tt-gray-50);
  --tt-color-bg-muted: var(--tt-gray-100);
  --tt-color-bg-dark:  var(--tt-blue-900);
  --tt-color-border:        var(--tt-gray-200);
  --tt-color-border-strong: var(--tt-gray-300);
  --tt-color-divider:       var(--tt-gray-100);

  /* TYPOGRAPHY */
  --tt-font-heading: 'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,sans-serif;
  --tt-font-body:    'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,sans-serif;
  --tt-font-mono:    ui-monospace,'SF Mono','Cascadia Mono',Consolas,monospace;
  --tt-fs-xs:   0.75rem;
  --tt-fs-sm:   0.875rem;
  --tt-fs-base: 1rem;
  --tt-fs-lg:   1.125rem;
  --tt-fs-xl:   1.25rem;
  --tt-fs-2xl:  1.5rem;
  --tt-fs-3xl:  1.875rem;
  --tt-fs-4xl:  2.25rem;
  --tt-fs-5xl:  3rem;
  --tt-fs-6xl:  3.75rem;
  --tt-fw-regular:   400;
  --tt-fw-medium:    500;
  --tt-fw-semibold:  600;
  --tt-fw-bold:      700;
  --tt-fw-extrabold: 800;
  --tt-lh-tight:   1.2;
  --tt-lh-snug:    1.35;
  --tt-lh-normal:  1.55;
  --tt-lh-relaxed: 1.7;
  --tt-ls-tight:  -0.02em;
  --tt-ls-normal: 0;
  --tt-ls-wide:   0.04em;

  /* SPACING */
  --tt-space-1:  0.25rem;
  --tt-space-2:  0.5rem;
  --tt-space-3:  0.75rem;
  --tt-space-4:  1rem;
  --tt-space-5:  1.25rem;
  --tt-space-6:  1.5rem;
  --tt-space-8:  2rem;
  --tt-space-10: 2.5rem;
  --tt-space-12: 3rem;
  --tt-space-16: 4rem;
  --tt-space-20: 5rem;
  --tt-space-24: 6rem;
  --tt-space-32: 8rem;
  --tt-section-py:    var(--tt-space-16);
  --tt-section-py-lg: var(--tt-space-24);
  --tt-container-px:  var(--tt-space-4);
  --tt-container-max: 1200px;

  /* RADIUS */
  --tt-radius-xs:   4px;
  --tt-radius-sm:   6px;
  --tt-radius-md:   10px;
  --tt-radius-lg:   16px;
  --tt-radius-xl:   24px;
  --tt-radius-2xl:  32px;
  --tt-radius-full: 9999px;

  /* SHADOW */
  --tt-shadow-xs: 0 1px 2px rgba(15,23,42,0.05);
  --tt-shadow-sm: 0 1px 3px rgba(15,23,42,0.08), 0 1px 2px rgba(15,23,42,0.04);
  --tt-shadow-md: 0 4px 12px rgba(15,23,42,0.08), 0 2px 4px rgba(15,23,42,0.04);
  --tt-shadow-lg: 0 10px 24px rgba(15,23,42,0.10), 0 4px 8px rgba(15,23,42,0.04);
  --tt-shadow-xl: 0 20px 40px rgba(15,23,42,0.12), 0 8px 16px rgba(15,23,42,0.06);
  --tt-shadow-brand:  0 10px 24px rgba(28,76,157,0.20);
  --tt-shadow-accent: 0 10px 24px rgba(242,106,59,0.25);

  /* MOTION */
  --tt-ease-standard: cubic-bezier(0.4,0,0.2,1);
  --tt-ease-out:      cubic-bezier(0,0,0.2,1);
  --tt-ease-in:       cubic-bezier(0.4,0,1,1);
  --tt-duration-fast:   150ms;
  --tt-duration-medium: 250ms;
  --tt-duration-slow:   400ms;

  /* Z-INDEX */
  --tt-z-base:    1;
  --tt-z-header:  50;
  --tt-z-overlay: 100;
  --tt-z-modal:   200;
  --tt-z-toast:   300;

  /* GRADIENT */
  --tt-gradient-primary: linear-gradient(135deg, var(--tt-blue-500) 0%, var(--tt-blue-700) 100%);
  --tt-gradient-accent:  linear-gradient(135deg, var(--tt-orange-500) 0%, var(--tt-orange-600) 100%);
  --tt-gradient-hero:    linear-gradient(135deg, var(--tt-blue-600) 0%, var(--tt-blue-800) 60%, var(--tt-blue-900) 100%);
  --tt-gradient-soft:    linear-gradient(180deg, var(--tt-gray-50) 0%, var(--tt-white) 100%);
}

/* =========================================================
   BASE — chi ap cho .tt-page de khong pha page cu
   ========================================================= */
.tt-page, .tt-page * { box-sizing: border-box; }

.tt-page {
  font-family: var(--tt-font-body);
  color: var(--tt-color-text);
  line-height: var(--tt-lh-normal);
  font-size: var(--tt-fs-base);
  font-weight: var(--tt-fw-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.tt-page h1, .tt-page h2, .tt-page h3,
.tt-page h4, .tt-page h5, .tt-page h6 {
  font-family: var(--tt-font-heading);
  font-weight: var(--tt-fw-bold);
  line-height: var(--tt-lh-tight);
  letter-spacing: var(--tt-ls-tight);
  color: var(--tt-color-text);
  margin: 0 0 var(--tt-space-4);
}
.tt-page h1 { font-size: clamp(2rem, 4vw + 1rem, 3.75rem); font-weight: var(--tt-fw-extrabold); }
.tt-page h2 { font-size: clamp(1.75rem, 3vw + 0.75rem, 2.25rem); }
.tt-page h3 { font-size: clamp(1.375rem, 2vw + 0.5rem, 1.875rem); }
.tt-page h4 { font-size: var(--tt-fs-2xl); }
.tt-page h5 { font-size: var(--tt-fs-xl); }
.tt-page h6 { font-size: var(--tt-fs-lg); }

.tt-page p { margin: 0 0 var(--tt-space-4); color: var(--tt-color-text); }

.tt-page a {
  color: var(--tt-color-primary);
  text-decoration: none;
  transition: color var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-page a:hover { color: var(--tt-color-primary-hover); }
.tt-page a:focus-visible {
  outline: 2px solid var(--tt-color-primary);
  outline-offset: 2px;
  border-radius: var(--tt-radius-xs);
}

/* =========================================================
   LAYOUT
   ========================================================= */
.tt-container {
  width: 100%;
  max-width: var(--tt-container-max);
  margin-inline: auto;
  padding-inline: var(--tt-container-px);
}
.tt-section { padding-block: var(--tt-section-py); }
@media (min-width: 768px) {
  .tt-section { padding-block: var(--tt-section-py-lg); }
  :root { --tt-container-px: var(--tt-space-8); }
}

/* =========================================================
   BUTTON
   ========================================================= */
.tt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tt-space-2);
  padding: var(--tt-space-3) var(--tt-space-6);
  font-family: var(--tt-font-body);
  font-size: var(--tt-fs-base);
  font-weight: var(--tt-fw-semibold);
  line-height: 1;
  border: 1.5px solid transparent;
  border-radius: var(--tt-radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--tt-duration-fast) var(--tt-ease-standard),
              color var(--tt-duration-fast) var(--tt-ease-standard),
              border-color var(--tt-duration-fast) var(--tt-ease-standard),
              transform var(--tt-duration-fast) var(--tt-ease-standard),
              box-shadow var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-btn:focus-visible { outline: 2px solid var(--tt-color-primary); outline-offset: 3px; }
.tt-btn:active { transform: translateY(1px); }
.tt-btn--primary { background: var(--tt-color-primary); color: var(--tt-color-text-invert); }
.tt-btn--primary:hover { background: var(--tt-color-primary-hover); box-shadow: var(--tt-shadow-brand); color: var(--tt-color-text-invert); }
.tt-btn--accent { background: var(--tt-color-accent); color: var(--tt-color-text-invert); }
.tt-btn--accent:hover { background: var(--tt-color-accent-hover); box-shadow: var(--tt-shadow-accent); color: var(--tt-color-text-invert); }
.tt-btn--ghost { background: transparent; color: var(--tt-color-primary); border-color: var(--tt-color-border-strong); }
.tt-btn--ghost:hover { background: var(--tt-color-primary-soft); border-color: var(--tt-color-primary); }
.tt-btn--lg { padding: var(--tt-space-4) var(--tt-space-8); font-size: var(--tt-fs-lg); }
.tt-btn--sm { padding: var(--tt-space-2) var(--tt-space-4); font-size: var(--tt-fs-sm); }

/* =========================================================
   UTILITY
   ========================================================= */
.tt-text-primary { color: var(--tt-color-primary); }
.tt-text-accent  { color: var(--tt-color-accent); }
.tt-text-muted   { color: var(--tt-color-text-muted); }
.tt-bg-primary   { background: var(--tt-color-primary); color: var(--tt-color-text-invert); }
.tt-bg-accent    { background: var(--tt-color-accent);  color: var(--tt-color-text-invert); }
.tt-bg-alt       { background: var(--tt-color-bg-alt); }
.tt-bg-soft      { background: var(--tt-color-primary-soft); }

.tt-eyebrow {
  display: inline-block;
  font-size: var(--tt-fs-sm);
  font-weight: var(--tt-fw-semibold);
  letter-spacing: var(--tt-ls-wide);
  text-transform: uppercase;
  color: var(--tt-color-accent);
  margin-bottom: var(--tt-space-3);
}
.tt-lead {
  font-size: var(--tt-fs-lg);
  color: var(--tt-color-text-muted);
  line-height: var(--tt-lh-relaxed);
  max-width: 56ch;
}
.tt-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;
}

/* Motion reduce */
@media (prefers-reduced-motion: reduce) {
  .tt-page *, .tt-page *::before, .tt-page *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================================
   SECTION: HERO (full-bleed + overlay)
   ========================================================= */
.tt-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(480px, 70vh, 720px);
  padding-block: clamp(64px, 10vh, 120px);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--tt-color-text-invert);
  background-color: var(--tt-blue-900);
  background-image: var(--tt-hero-bg, var(--tt-gradient-hero));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.tt-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(135deg, rgba(8, 30, 73, 0.78) 0%, rgba(8, 30, 73, 0.55) 55%, rgba(242, 106, 59, 0.35) 100%),
    linear-gradient(180deg, rgba(8, 30, 73, 0.25) 0%, rgba(8, 30, 73, 0.65) 100%);
  pointer-events: none;
}

.tt-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.tt-hero__eyebrow {
  display: inline-block;
  font-size: var(--tt-fs-sm);
  font-weight: var(--tt-fw-semibold);
  letter-spacing: var(--tt-ls-wide);
  text-transform: uppercase;
  color: var(--tt-orange-300);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: var(--tt-space-2) var(--tt-space-4);
  border-radius: var(--tt-radius-full);
  margin-bottom: var(--tt-space-5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.tt-hero .tt-hero__title {
  font-family: var(--tt-font-heading);
  font-weight: var(--tt-fw-extrabold);
  font-size: clamp(2.25rem, 5vw + 1rem, 3.75rem);
  line-height: 1.1;
  letter-spacing: var(--tt-ls-tight);
  color: var(--tt-color-text-invert);
  margin: 0 0 var(--tt-space-5);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}

.tt-hero__subtitle {
  font-size: clamp(1.125rem, 1.2vw + 0.5rem, 1.5rem);
  font-weight: var(--tt-fw-medium);
  line-height: var(--tt-lh-snug);
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 var(--tt-space-6);
  max-width: 640px;
}

.tt-hero__body {
  font-size: var(--tt-fs-lg);
  line-height: var(--tt-lh-relaxed);
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: var(--tt-space-8);
  max-width: 640px;
}
.tt-hero__body p { color: inherit; margin: 0 0 var(--tt-space-3); }
.tt-hero__body p:last-child { margin-bottom: 0; }

.tt-hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--tt-space-6);
}

.tt-hero__cta-arrow {
  display: inline-block;
  margin-left: var(--tt-space-2);
  transition: transform var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-hero .tt-btn--accent:hover .tt-hero__cta-arrow { transform: translateX(3px); }

.tt-hero__link-secondary {
  color: var(--tt-color-text-invert);
  font-weight: var(--tt-fw-semibold);
  text-decoration: none;
  border-bottom: 1.5px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 2px;
  transition: border-color var(--tt-duration-fast) var(--tt-ease-standard),
              color var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-hero__link-secondary:hover {
  color: var(--tt-orange-300);
  border-bottom-color: var(--tt-orange-300);
}

@media (max-width: 640px) {
  .tt-hero { min-height: 520px; text-align: left; }
  .tt-hero__inner { padding-inline: var(--tt-space-4); }
  .tt-hero__cta-row { gap: var(--tt-space-4); }
  .tt-hero__link-secondary { width: 100%; }
}


/* =============================================================
   C2.2 — Section brand overrides
   .tt-page .tt-section-* selectors override Tailwind CDN (which
   uses @layer utilities — lower priority than unlayered CSS).
   ============================================================= */

/* ─── Stats — brand primary background ─── */
.tt-page .tt-section-stats {
  background-color: var(--tt-color-primary);
  color: var(--tt-color-text-invert);
}
.tt-page .tt-section-stats h2 { color: var(--tt-color-text-invert); }
.tt-page .tt-stat { text-align: center; }

/* ─── CTA card — brand gradient ─── */
.tt-page .tt-section-cta__card {
  background: var(--tt-gradient-primary);
  border-radius: var(--tt-radius-2xl);
  box-shadow: var(--tt-shadow-xl);
}
.tt-page .tt-section-cta__card h2,
.tt-page .tt-section-cta__card p { color: var(--tt-color-text-invert); }
.tt-page .tt-section-cta__card .tt-cta-btn {
  background: var(--tt-white);
  color: var(--tt-color-primary);
  font-weight: var(--tt-fw-bold);
  border-radius: var(--tt-radius-lg);
  padding: var(--tt-space-4) var(--tt-space-8);
  font-size: var(--tt-fs-lg);
  box-shadow: var(--tt-shadow-md);
  transition: background-color var(--tt-duration-fast) var(--tt-ease-standard),
              color var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-page .tt-section-cta__card .tt-cta-btn:hover {
  background: var(--tt-color-primary-soft);
  color: var(--tt-color-primary-hover);
}

/* ─── Services cards — brand hover ─── */
.tt-page .tt-service-card {
  transition: transform var(--tt-duration-medium) var(--tt-ease-out),
              box-shadow var(--tt-duration-medium) var(--tt-ease-out),
              border-color var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-page .tt-service-card:hover {
  border-color: var(--tt-color-primary);
  box-shadow: var(--tt-shadow-brand);
  transform: translateY(-4px);
}
.tt-page .tt-service-card a { color: var(--tt-color-primary); }
.tt-page .tt-service-card a:hover { color: var(--tt-color-primary-hover); }

/* ─── Feature grid cards — brand icon box ─── */
.tt-page .tt-feature-card {
  transition: border-color var(--tt-duration-fast) var(--tt-ease-standard),
              box-shadow var(--tt-duration-medium) var(--tt-ease-out);
}
.tt-page .tt-feature-card:hover {
  border-color: var(--tt-color-primary);
  box-shadow: var(--tt-shadow-brand);
}
.tt-page .tt-feature-card .tt-feature-icon {
  background-color: var(--tt-color-primary-soft);
  color: var(--tt-color-primary);
  border-radius: var(--tt-radius-lg);
  width: 3rem; height: 3rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--tt-space-4);
  font-weight: var(--tt-fw-bold);
}

/* ─── FAQ accordion ─── */
.tt-page .tt-faq-item { border-color: var(--tt-color-border); transition: border-color var(--tt-duration-fast); }
.tt-page .tt-faq-item[open] { border-color: var(--tt-color-primary); }
.tt-page .tt-faq-item summary { color: var(--tt-color-text); list-style: none; }
.tt-page .tt-faq-item summary::-webkit-details-marker { display: none; }
.tt-page .tt-faq-item .tt-faq-chevron { color: var(--tt-color-primary); transition: transform var(--tt-duration-medium) var(--tt-ease-out); }
.tt-page .tt-faq-item[open] .tt-faq-chevron { transform: rotate(45deg); }

/* ─── Contact info ─── */
.tt-page .tt-contact-item {
  border-color: var(--tt-color-border);
  transition: border-color var(--tt-duration-fast) var(--tt-ease-standard),
              box-shadow var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-page .tt-contact-item:hover {
  border-color: var(--tt-color-primary);
  box-shadow: var(--tt-shadow-sm);
}
.tt-page .tt-contact-item a:hover { color: var(--tt-color-primary); }

/* ─── Form — brand submit button + focus ring ─── */
.tt-page .tt-form button[type="submit"],
.tt-page .tt-form-wrap button[type="submit"] {
  background-color: var(--tt-color-primary) !important;
  color: var(--tt-color-text-invert) !important;
  font-weight: var(--tt-fw-semibold);
  border-radius: var(--tt-radius-md);
  padding: var(--tt-space-3) var(--tt-space-5);
  width: 100%;
  border: none;
  cursor: pointer;
  transition: background-color var(--tt-duration-fast) var(--tt-ease-standard),
              box-shadow var(--tt-duration-fast) var(--tt-ease-standard);
}
.tt-page .tt-form button[type="submit"]:hover,
.tt-page .tt-form-wrap button[type="submit"]:hover {
  background-color: var(--tt-color-primary-hover) !important;
  box-shadow: var(--tt-shadow-brand);
}
.tt-page .tt-form button[type="submit"]:active,
.tt-page .tt-form-wrap button[type="submit"]:active {
  background-color: var(--tt-color-primary-active) !important;
}
.tt-page .tt-form button[type="submit"][disabled] {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Form field focus ring — brand blue */
.tt-page .tt-form input:focus,
.tt-page .tt-form-wrap input:focus,
.tt-page .tt-form select:focus,
.tt-page .tt-form-wrap select:focus,
.tt-page .tt-form textarea:focus,
.tt-page .tt-form-wrap textarea:focus {
  border-color: var(--tt-color-primary) !important;
  outline: none;
  box-shadow: 0 0 0 3px var(--tt-color-primary-soft) !important;
}

/* Form section background */
.tt-page .tt-section-form {
  background: linear-gradient(160deg, var(--tt-color-bg-muted) 0%, var(--tt-color-primary-soft) 100%);
}

/* Form status message */
.tt-page .tt-form-msg { min-height: 1.5rem; }

/* ─── Section headings — brand consistent ─── */
.tt-page .tt-section-services h2,
.tt-page .tt-section-feature-grid h2,
.tt-page .tt-section-faq h2,
.tt-page .tt-section-contact-info h2 {
  color: var(--tt-color-text);
}

/* ─── Responsive: mobile padding tighter ─── */
@media (max-width: 640px) {
  .tt-page .tt-section-cta__card { padding: var(--tt-space-10) var(--tt-space-6) !important; }
}

/* C2.2 fix — chống strikethrough từ Astra/WP trên subtitle + heading trong hero */
.tt-page .tt-hero__subtitle,
.tt-page .tt-hero__title,
.tt-page .tt-hero__body,
.tt-page .tt-hero__body p,
.tt-page .tt-hero__eyebrow {
  text-decoration: none !important;
}
/* Cũng fix màu subtitle bị override bởi .tt-page p { color: var(--tt-color-text) } */
.tt-page .tt-hero__subtitle { color: rgba(255,255,255,0.92) !important; }
.tt-page .tt-hero__body,
.tt-page .tt-hero__body p { color: rgba(255,255,255,0.82) !important; }

/* ═══════════════════════════════════════════════════════════
   THINKAI CMS — Override Astra theme cho các class thinkai-*
   Các class này được gán tự động từ style_key trong Google Sheet
   ═══════════════════════════════════════════════════════════ */

/* Override Tailwind CDN preflight — đảm bảo Be Vietnam Pro áp dụng toàn site.
   Dùng [class*="thinkai-"] để match MỌI style_key Thinh tự thêm vào sheet,
   không cần hardcode từng key. */
body,
[class*="thinkai-"] {
  font-family: var(--tt-font-body) !important;
}

/* Exact selectors cho backward compat */
.thinkai-h1   { font-size: 2.25rem  !important; font-weight: 700 !important; line-height: 1.25 !important; }
.thinkai-h2   { font-size: 1.875rem !important; font-weight: 700 !important; line-height: 1.3  !important; }
.thinkai-h3   { font-size: 1.5rem   !important; font-weight: 600 !important; line-height: 1.4  !important; }
.thinkai-h4   { font-size: 1.25rem  !important; font-weight: 600 !important; line-height: 1.4  !important; }
.thinkai-body    { font-size: 1rem    !important; font-weight: 400 !important; line-height: 1.6  !important; }
.thinkai-caption { font-size: 0.875rem !important; font-weight: 400 !important; line-height: 1.5  !important; }
.thinkai-eyebrow { font-size: 0.75rem  !important; font-weight: 600 !important; letter-spacing: 0.1em !important; text-transform: uppercase !important; }