/* ==========================================================================
   ACADEMY OF TANGO TEXAS - OFFICIAL NONPROFIT STYLESHEET
   Design: Warm, Sophisticated, Accessible, Culturally Authentic
   WCAG 2.2 AA Compliant | Mobile-First | Google Ad Grants Ready
   ========================================================================== */

:root {
  --color-primary: #18263a;
  --color-primary-dark: #0e1824;
  --color-primary-light: #2b3e58;
  --color-accent: #872332;
  --color-accent-hover: #6d1b27;
  --color-accent-light: #fbeef0;
  --color-gold: #b3821a;
  --color-gold-light: #fef8ec;
  --color-gold-dark: #8c630f;
  --color-surface: #ffffff;
  --color-surface-warm: #faf7f2;
  --color-surface-subtle: #f2ede4;
  --color-border: #ded7cb;
  --color-border-light: #eae5dc;
  --color-text-main: #1c2128;
  --color-text-muted: #4d5766;
  --color-text-light: #ffffff;
  --color-success: #196f3d;
  --color-success-bg: #eafaf1;
  --color-info: #1b4f72;
  --color-info-bg: #ebf5fb;
  --color-warning: #7d6608;
  --color-warning-bg: #fefde8;

  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  --max-width: 1200px;
  --max-width-narrow: 840px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 4px rgba(24, 38, 58, 0.05);
  --shadow-md: 0 4px 12px rgba(24, 38, 58, 0.08);
  --shadow-lg: 0 8px 24px rgba(24, 38, 58, 0.12);
  --transition-fast: 0.15s ease-in-out;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-surface);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  background: var(--color-accent);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus { top: 1rem; outline: 3px solid var(--color-gold); }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.15rem); }
h3 { font-size: clamp(1.25rem, 2vw + 0.25rem, 1.6rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1.25rem; color: var(--color-text-main); }
p.lead { font-size: 1.15rem; line-height: 1.7; color: var(--color-text-muted); }

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent-hover); }

ul, ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
li { margin-bottom: 0.5rem; }
img { max-width: 100%; height: auto; display: block; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow { max-width: var(--max-width-narrow); }
.section { padding-top: 4.5rem; padding-bottom: 4.5rem; }
.section-alt { background-color: var(--color-surface-warm); }
.section-primary { background-color: var(--color-primary); color: var(--color-text-light); }
.section-primary h1, .section-primary h2, .section-primary h3 { color: var(--color-text-light); }
.section-primary p { color: #d1d9e6; }


/* Top Bar & Header */
.site-topbar {
  background-color: var(--color-primary-dark);
  color: #d1d9e6;
  font-size: 0.825rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}
.topbar-badge strong { color: #ffffff; }
.topbar-links { display: flex; gap: 1rem; }
.topbar-links a { color: #d1d9e6; text-decoration: none; font-size: 0.8rem; }
.topbar-links a:hover { color: #ffffff; text-decoration: underline; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: 0.75rem 0;
}
.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-primary);
}
.brand-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1.25rem;
  font-family: var(--font-serif);
  flex-shrink: 0;
  border: 1px solid var(--color-gold);
}
.brand-text { display: flex; flex-direction: column; }
.brand-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.15;
}
.brand-subtitle {
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  font-weight: 600;
}

.nav-desktop { display: none; }
@media (min-width: 1024px) {
  .nav-desktop { display: flex; align-items: center; gap: 0.65rem; }
}
.nav-links { display: flex; list-style: none; margin: 0; padding: 0; gap: 0.2rem; }
.nav-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.885rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-link:hover { color: var(--color-accent); background-color: var(--color-surface-warm); }
.nav-link[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 700;
  border-bottom: 2px solid var(--color-accent);
  border-radius: 0;
}
.nav-cta-group { display: flex; align-items: center; gap: 0.75rem; margin-left: 0.5rem; }

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-primary);
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 340px;
  height: 100vh;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.mobile-nav-drawer.is-open { right: 0; }
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 24, 36, 0.6);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-nav-overlay.is-visible { opacity: 1; visibility: visible; }
.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-light);
}
.mobile-nav-close {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--color-text-main);
  padding: 0.5rem;
  line-height: 1;
}
.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-nav-links .nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  line-height: 1.3;
}
.btn-primary { background-color: var(--color-accent); color: #ffffff; }
.btn-primary:hover { background-color: var(--color-accent-hover); color: #ffffff; text-decoration: none; }
.btn-secondary { background-color: var(--color-primary); color: #ffffff; }
.btn-secondary:hover { background-color: var(--color-primary-dark); color: #ffffff; text-decoration: none; }
.btn-outline { background-color: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background-color: var(--color-primary); color: #ffffff; text-decoration: none; }
.btn-outline-light { background-color: transparent; color: #ffffff; border-color: #ffffff; }
.btn-outline-light:hover { background-color: #ffffff; color: var(--color-primary); text-decoration: none; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }
.btn-block { display: flex; width: 100%; }

/* Hero */
.hero-home {
  background: linear-gradient(135deg, #101a28 0%, #1a2a42 100%);
  color: #ffffff;
  padding: 4.5rem 0 4.5rem 0;
  position: relative;
  overflow: hidden;
}
.hero-home::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40%;
  background: radial-gradient(circle at center, rgba(179, 130, 26, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.25fr 0.75fr; }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.825rem;
  color: #fcebd2;
  margin-bottom: 1.25rem;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
}
.hero-title {
  color: #ffffff;
  font-size: clamp(2.1rem, 4.2vw, 3.15rem);
  margin-bottom: 1.25rem;
}
.hero-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #d5dfea;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-trust-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  color: #ffffff;
}
.hero-trust-title {
  color: var(--color-gold);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-trust-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
}
.hero-trust-list li {
  margin-bottom: 0.65rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: #d1d9e6;
}
.hero-trust-list li strong { color: #ffffff; }

/* Page Header */
.page-header {
  background-color: var(--color-surface-warm);
  border-bottom: 1px solid var(--color-border);
  padding: 3.5rem 0 3rem 0;
}
.page-header-title { margin-bottom: 0.5rem; }
.page-header-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 780px;
  margin-bottom: 1rem;
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
  font-size: 0.85rem;
}
.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  padding: 0 0.5rem;
  color: var(--color-text-muted);
}
.breadcrumb-item a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb-item a:hover { color: var(--color-accent); text-decoration: underline; }
.breadcrumb-item[aria-current="page"] { color: var(--color-primary); font-weight: 600; }

/* Grids & Cards */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card-title { margin-bottom: 0.75rem; }
.card-body { flex: 1; }
.card-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
}
.card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Callouts */
.callout {
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-surface-warm);
  padding: 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 1.75rem;
}
.callout-info { border-color: var(--color-info); background-color: var(--color-info-bg); }
.callout-warning { border-color: var(--color-gold); background-color: var(--color-gold-light); }
.callout-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}
.form-label .required { color: var(--color-accent); }
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(135, 35, 50, 0.15);
}
textarea.form-control { min-height: 120px; resize: vertical; }
.form-hint { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.35rem; }
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 0.15rem;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}
.form-status {
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  display: none;
  font-size: 0.925rem;
}
.form-status.is-success {
  display: block;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(25, 111, 61, 0.2);
}
.form-status.is-error {
  display: block;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid rgba(135, 35, 50, 0.2);
}
.hp-field { display: none !important; visibility: hidden !important; }

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.table-custom {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background-color: #ffffff;
}
.table-custom th, .table-custom td {
  padding: 0.9rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}
.table-custom th {
  background-color: var(--color-surface-warm);
  color: var(--color-primary);
  font-weight: 700;
  width: 32%;
}
.table-custom tr:last-child th, .table-custom tr:last-child td { border-bottom: none; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background-color: var(--color-surface-warm);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}
.empty-state-icon { font-size: 2.5rem; color: var(--color-gold-dark); margin-bottom: 1rem; }
.empty-state-title { font-size: 1.25rem; margin-bottom: 0.5rem; }
.empty-state-text {
  color: var(--color-text-muted);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.5rem;
}

/* Filter Controls */
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.filter-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.45rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #d1d9e6;
  padding-top: 4rem;
  padding-bottom: 2rem;
  margin-top: auto;
  border-top: 3px solid var(--color-gold);
}
.site-footer a { color: #ffffff; text-decoration: none; }
.site-footer a:hover { color: var(--color-gold); text-decoration: underline; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.2fr; } }
.footer-brand-title { color: #ffffff; font-size: 1.3rem; margin-bottom: 0.5rem; }
.footer-legal-name {
  font-size: 0.8rem;
  line-height: 1.4;
  color: #a0aec0;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.footer-meta-item { font-size: 0.85rem; margin-bottom: 0.5rem; color: #cbd5e0; }
.footer-meta-item strong { color: #ffffff; }
.footer-heading {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  font-weight: 700;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.65rem; font-size: 0.9rem; }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.825rem;
  color: #a0aec0;
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* Accordion */
.faq-accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #ffffff;
}
.faq-item { border-bottom: 1px solid var(--color-border-light); }
.faq-item:last-child { border-bottom: none; }
.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background-color var(--transition-fast);
}
.faq-question:hover { background-color: var(--color-surface-warm); }
.faq-question[aria-expanded="true"] {
  color: var(--color-accent);
  background-color: var(--color-surface-warm);
}
.faq-icon { font-size: 1.25rem; transition: transform var(--transition-fast); }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); }
.faq-answer { padding: 0 1.5rem 1.25rem 1.5rem; color: var(--color-text-main); display: none; line-height: 1.7; }
.faq-answer.is-open { display: block; }

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-gold { color: var(--color-gold); }
.text-accent { color: var(--color-accent); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-gold {
  background-color: var(--color-gold-light);
  color: var(--color-gold-dark);
  border: 1px solid rgba(179, 130, 26, 0.3);
}