/* ============================================
   Excel Learning Center - Static Site Styles
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #1a3a5c;
  --primary-light: #2c5a8c;
  --accent: #e8913a;
  --accent-hover: #f0a54a;
  --accent-dark: #d07a25;
  --light: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --text: #212529;
  --white: #ffffff;
  --font-sans: 'Lexend Deca', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* --- Typography --- */
.section { padding: 100px 0; }
.section-alt { background: var(--light); }
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}
.section-tag {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--gray-600);
  line-height: 1.8;
}
.text-accent { color: var(--accent); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* ====== NAVIGATION ====== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 8px 0;
}
.navbar.scrolled .nav-link { color: var(--text); }
.navbar.scrolled .nav-link:hover { color: var(--accent); }
.navbar.scrolled .logo-text { color: var(--primary); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  transition: var(--transition);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}
.nav-link {
  font-weight: 500;
  font-size: .9rem;
  color: rgba(255,255,255,.85);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--white); }
.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .85rem;
  transition: var(--transition);
}
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-2px); }
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--white); margin: 5px 0;
  transition: var(--transition); border-radius: 2px;
}
.navbar.scrolled .nav-toggle span { background: var(--primary); }

/* ====== HERO ====== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--primary);
  background-image: linear-gradient(135deg, #1a3a5c 0%, #2a5a7c 50%, #1a4a6c 100%);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,58,92,.88) 0%, rgba(26,58,92,.7) 100%);
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2; max-width: 800px;
}
.hero-badge {
  display: inline-block;
  background: rgba(232,145,58,.15);
  border: 1px solid rgba(232,145,58,.3);
  color: var(--accent-hover);
  padding: 8px 18px; border-radius: 50px;
  font-size: .8rem; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: 4rem; font-weight: 700; line-height: 1.1;
  color: var(--white); margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 1.2rem; color: rgba(255,255,255,.7);
  max-width: 600px; line-height: 1.8; margin-bottom: 32px;
}
.hero-features {
  display: flex; gap: 24px; margin-bottom: 40px; flex-wrap: wrap;
}
.hero-features span {
  color: rgba(255,255,255,.85); font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.hero-features i { color: var(--accent-hover); font-size: 1.1rem; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* ====== ABOUT ====== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image-frame img { width: 100%; height: auto; display: block; }
.about-text { display: flex; flex-direction: column; gap: 28px; }
.about-value h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.about-value p { color: var(--gray-600); font-size: .95rem; line-height: 1.7; }
.value-icon {
  width: 44px; height: 44px;
  background: rgba(232,145,58,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 1.1rem;
  margin-bottom: 12px;
}

/* ====== ACADEMIC APPROACH ====== */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.approach-text p {
  color: var(--gray-700);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}
.approach-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.approach-image img { width: 100%; height: auto; display: block; }

/* ====== PROGRAMS ====== */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.program-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}
.program-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.program-icon {
  width: 64px; height: 64px;
  background: rgba(232,145,58,.08);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem; color: var(--accent);
  transition: var(--transition);
}
.program-card:hover .program-icon {
  background: var(--accent); color: var(--white);
}
.program-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem; margin-bottom: 12px; color: var(--primary);
}
.program-card p {
  font-size: .92rem; color: var(--gray-600); line-height: 1.7;
}

/* ====== VALUES ====== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

/* All cards use the highlight style */
.value-card.highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 28px;
  text-align: center;
}
.value-card.highlight:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.value-card.highlight .section-tag { color: var(--accent-hover); margin-bottom: 8px; display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.value-card.highlight h3 { color: var(--white); font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 12px; }
.value-card.highlight p { color: rgba(255,255,255,.75); font-size: .9rem; line-height: 1.7; max-width: 300px; margin: 0 auto; }

/* ====== FOUNDER ====== */
.founder-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}
.founder-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.founder-image img { width: 100%; height: auto; }
.founder-text p {
  color: var(--gray-700);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.founder-creds {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}
.founder-creds span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--gray-700);
  background: var(--gray-100);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}
.founder-creds i { color: var(--accent); width: 18px; }

/* ====== CTA LARGE ====== */
.cta-large {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 100px 0;
}
.cta-large-content { text-align: center; color: var(--white); }
.cta-large-content h2 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
}
.cta-large-content p {
  font-size: 1.2rem; opacity: .85;
  margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto;
}
.cta-large-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ====== CONTACT ====== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info .section-title { margin-bottom: 12px; }
.contact-info > p { color: var(--gray-600); margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item i { width: 20px; color: var(--accent); font-size: 1.2rem; margin-top: 2px; }
.contact-item strong { display: block; font-size: .85rem; text-transform: uppercase; letter-spacing: 1px; color: var(--gray-500); margin-bottom: 2px; }
.contact-item a { color: var(--text); transition: var(--transition); }
.contact-item a:hover { color: var(--accent); }
.contact-item span { color: var(--gray-700); }
.hours-box { background: var(--gray-100); border-radius: var(--radius); padding: 24px 28px; }
.hours-box h4 { font-family: var(--font-serif); font-size: 1.1rem; color: var(--primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.hours-box h4 i { color: var(--accent); }
.hours-table { width: 100%; border-collapse: collapse; }
.hours-table td { padding: 6px 0; font-size: .92rem; }
.hours-table td:first-child { font-weight: 600; color: var(--gray-700); }
.hours-table td:last-child { text-align: right; color: var(--gray-600); }
.hours-closed td { color: var(--gray-500) !important; }
.contact-form-wrapper {
  background: var(--white); padding: 40px;
  border-radius: var(--radius); box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}
.contact-form h3 { font-family: var(--font-serif); font-size: 1.5rem; color: var(--primary); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--gray-700); }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: .95rem;
  transition: var(--transition); background: var(--light);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,145,58,.12); background: var(--white);
}
.form-note { font-size: .8rem; color: var(--gray-500); margin-top: 12px; text-align: center; }
.form-success { text-align: center; padding: 40px 20px; }
.form-success .success-icon i { font-size: 3.5rem; color: #27ae60; margin-bottom: 16px; }
.form-success h3 { font-family: var(--font-serif); color: var(--primary); margin-bottom: 8px; font-size: 1.5rem; }
.form-success > p { color: var(--gray-600); margin-bottom: 20px; font-size: .95rem; }
.success-details { background: var(--gray-100); border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 20px; text-align: left; }
.success-details p { font-size: .9rem; color: var(--gray-600); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.success-details p:last-child { margin-bottom: 0; }
.success-details i { color: var(--accent); width: 20px; }
.success-details a { color: var(--text); font-weight: 600; }
.success-details a:hover { color: var(--accent); }

/* ====== FOOTER ====== */
.footer { background: var(--primary); color: rgba(255,255,255,.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700; color: var(--white); display: block; margin-bottom: 16px; }
.footer-about p { font-size: .9rem; line-height: 1.8; }
.footer h4 { color: var(--white); font-size: .9rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: .9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-hover); }
.footer-contact p { margin-bottom: 10px; font-size: .9rem; display: flex; align-items: center; gap: 8px; }
.footer-contact a { color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-contact a:hover { color: var(--accent-hover); }
.footer-contact i { color: var(--accent); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.4); }

/* ====== SCROLL TOP ====== */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px;
  width: 44px; height: 44px;
  background: var(--accent); color: var(--white);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; box-shadow: var(--shadow-md); z-index: 999;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--accent-hover); transform: translateY(-3px); }

/* ====== RESPONSIVE ====== */
@media (max-width: 992px) {
  .hero-title { font-size: 3rem; }
  .about-grid, .approach-grid, .contact-grid, .founder-grid { grid-template-columns: 1fr; gap: 40px; }
  .programs-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .founder-grid { gap: 40px; }
  .cta-large-content h2 { font-size: 2.2rem; }
  .section-title { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); flex-direction: column; padding: 20px;
    gap: 16px; box-shadow: var(--shadow-lg);
  }
  .nav-links.open { display: flex; }
  .nav-link { color: var(--text) !important; }
  .nav-link::after { background: var(--accent); }
  .nav-toggle { display: block; }
  .hero-title { font-size: 2.4rem; }
  .programs-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .founder-creds { grid-template-columns: 1fr; }
  .cta-large { padding: 60px 0; }
  .cta-large-content h2 { font-size: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-ctas { flex-direction: column; }
  .cta-large-buttons { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .contact-form-wrapper { padding: 24px; }
}