/* ============================================
   AUHT — American University of Healthcare Technology
   Global Stylesheet
   ============================================ */

:root {
  --color-primary: #0B2545;
  --color-primary-light: #13315C;
  --color-primary-dark: #061833;
  --color-accent: #C9A961;
  --color-accent-dark: #A88A4A;
  --color-teal: #1B7B88;
  --color-teal-light: #E6F2F4;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F4F6F8;
  --color-text: #1A1A1A;
  --color-text-muted: #5A6470;
  --color-border: #E1E4E8;
  --color-border-dark: #2A3F5F;

  --font-serif: "Merriweather", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition: all 0.25s ease;
  --max-width: 1280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent-dark); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 30px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
  letter-spacing: 0.3px;
}
.btn-primary { background: var(--color-accent); color: var(--color-primary); }
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--color-primary); }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-light); color: #fff; }

/* ============ HEADER ============ */
.utility-bar {
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 0.85rem;
  padding: 8px 0;
}
.utility-bar .container { display: flex; justify-content: flex-end; align-items: center; gap: 24px; }
.utility-bar a { color: #cfd6e0; }
.utility-bar a:hover { color: var(--color-accent); }

.site-header {
  background: var(--color-primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand img {
  height: 56px;
  width: auto;
  filter: brightness(0) invert(1);
}
.brand-text .name-en { font-family: var(--font-serif); font-size: 1.05rem; font-weight: 700; line-height: 1.2; color: #fff; }
.brand-text .name-sub { font-size: 0.78rem; color: #cfd6e0; letter-spacing: 2px; text-transform: uppercase; margin-top: 2px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: #fff;
  padding: 12px 16px;
  font-size: 0.93rem;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }

.nav-toggle { display: none; color: #fff; font-size: 1.6rem; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 560px;
  background: linear-gradient(135deg, #0B2545 0%, #13315C 50%, #1B7B88 100%);
  color: #fff;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(201,169,97,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(27,123,136,0.25) 0%, transparent 50%);
}
.hero-content { position: relative; max-width: 800px; padding: 90px 0; }
.hero h1 { color: #fff; margin-bottom: 22px; }
.hero .lead { font-size: 1.2rem; line-height: 1.7; color: #e6ecf2; margin-bottom: 36px; max-width: 680px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-tagline { font-size: 0.85rem; color: var(--color-accent); letter-spacing: 4px; text-transform: uppercase; margin-bottom: 14px; font-weight: 600; }

/* Page header */
.page-header {
  background: linear-gradient(135deg, #0B2545 0%, #13315C 100%);
  color: #fff;
  padding: 90px 0 70px;
  position: relative;
}
.page-header h1 { color: #fff; }
.page-header .breadcrumb { font-size: 0.85rem; color: var(--color-accent); margin-bottom: 14px; letter-spacing: 2px; font-weight: 600; }
.page-header .lead { color: #cfd6e0; max-width: 820px; font-size: 1.1rem; margin-top: 18px; }

/* ============ SECTIONS ============ */
section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-primary); color: #fff; }
.section-dark h1, .section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: #cfd6e0; }

.section-title { text-align: center; margin-bottom: 16px; }
.section-eyebrow {
  display: block;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-accent-dark);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: 700;
}
.section-subtitle { text-align: center; max-width: 760px; margin: 0 auto 50px; color: var(--color-text-muted); font-size: 1.05rem; }

/* Grid */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Card */
.card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-top: 4px solid var(--color-accent);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-body { padding: 30px; }
.card h3 { margin-bottom: 12px; color: var(--color-primary); }
.card p { color: var(--color-text-muted); margin-bottom: 16px; }
.card .card-link { color: var(--color-accent-dark); font-weight: 600; font-size: 0.92rem; text-transform: uppercase; letter-spacing: 1px; }
.card .card-link::after { content: " →"; transition: var(--transition); }
.card:hover .card-link::after { margin-left: 6px; }

/* Tile */
.tile-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 4px; }
.tile {
  background: var(--color-primary);
  color: #fff;
  padding: 40px 30px;
  text-align: left;
  transition: var(--transition);
  display: block;
}
.tile:nth-child(even) { background: var(--color-primary-light); }
.tile:hover { background: var(--color-teal); color: #fff; }
.tile .tile-eyebrow { font-size: 0.75rem; color: var(--color-accent); letter-spacing: 2px; text-transform: uppercase; font-weight: 600; margin-bottom: 10px; }
.tile h3 { color: #fff; font-size: 1.2rem; margin-bottom: 10px; }
.tile p { color: #cfd6e0; font-size: 0.92rem; margin: 0; }
.tile .tile-arrow { display: inline-block; margin-top: 14px; color: var(--color-accent); font-size: 1.3rem; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; text-align: center; }
.stat-num { font-family: var(--font-serif); font-size: 3.2rem; font-weight: 700; color: var(--color-accent); display: block; line-height: 1; }
.stat-label { font-size: 0.92rem; color: #cfd6e0; margin-top: 10px; letter-spacing: 1px; text-transform: uppercase; }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-img { border-radius: var(--radius-md); box-shadow: var(--shadow-lg); overflow: hidden; }
.split-img img { width: 100%; height: 100%; object-fit: cover; }

/* Value list */
.value-list { display: grid; gap: 20px; }
.value-item {
  display: flex;
  gap: 20px;
  padding: 22px 26px;
  background: #fff;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
}
.value-item h4 { color: var(--color-primary); margin-bottom: 6px; }
.value-item p { margin: 0; color: var(--color-text-muted); font-size: 0.95rem; }

/* Program block */
.program-block {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--color-accent);
  margin-bottom: 28px;
}
.program-block h3 { color: var(--color-primary); margin-bottom: 6px; font-size: 1.55rem; }
.program-block .program-tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-teal);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 18px;
  padding: 4px 10px;
  background: var(--color-teal-light);
  border-radius: var(--radius-sm);
}
.program-block .courses { background: var(--color-bg-alt); padding: 22px 26px; border-radius: var(--radius-sm); margin: 22px 0; }
.program-block .courses h4 {
  color: var(--color-primary);
  margin-bottom: 14px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: var(--font-sans);
}
.program-block .courses ul li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--color-border);
  color: var(--color-text);
  font-size: 0.95rem;
}
.program-block .courses ul li:last-child { border-bottom: none; }
.program-block .career { font-size: 0.95rem; color: var(--color-text-muted); margin-top: 16px; }
.program-block .career strong { color: var(--color-teal); }
.program-block .notice {
  background: #fff8e6;
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* President */
.president-card {
  background: linear-gradient(135deg, #0B2545 0%, #13315C 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 50px;
  align-items: center;
}
.president-card img {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 5px solid var(--color-accent);
  object-fit: cover;
}
.president-card h2, .president-card h3 { color: #fff; }
.president-card .title {
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}
.president-card blockquote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.7;
  font-style: italic;
  color: #e6ecf2;
  margin: 18px 0;
  padding-left: 20px;
  border-left: 3px solid var(--color-accent);
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.contact-card {
  background: #fff;
  padding: 36px 30px;
  border-radius: var(--radius-md);
  text-align: center;
  border-top: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.contact-card .icon { font-size: 2.4rem; color: var(--color-teal); margin-bottom: 14px; }
.contact-card h3 { margin-bottom: 10px; }
.contact-card a { color: var(--color-primary); font-weight: 600; word-break: break-all; }
.contact-card a:hover { color: var(--color-accent-dark); }

/* Tables */
.info-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.info-table th, .info-table td { padding: 14px 18px; border: 1px solid var(--color-border); text-align: left; }
.info-table th { background: var(--color-bg-alt); color: var(--color-primary); font-weight: 600; width: 28%; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-primary);
  text-align: center;
  padding: 70px 24px;
}
.cta-banner h2 { color: var(--color-primary); margin-bottom: 16px; }
.cta-banner p { color: var(--color-primary-dark); max-width: 720px; margin: 0 auto 26px; font-size: 1.05rem; }

/* Notice block */
.notice-block {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-teal);
  padding: 26px 30px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.notice-block h4 { color: var(--color-primary); margin-bottom: 12px; }
.notice-block p { margin: 0; color: var(--color-text-muted); font-size: 0.95rem; }

/* Quote tile */
.quote-tile {
  background: linear-gradient(135deg,#1B7B88,#0B2545);
  color: #fff;
  border-radius: var(--radius-md);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px;
  text-align: center;
}
.quote-tile .quote-mark { font-size: 3.5rem; color: var(--color-accent); margin-bottom: 14px; line-height: 1; }
.quote-tile p { font-family: var(--font-serif); font-size: 1.3rem; line-height: 1.6; color: #fff; font-style: italic; }
.quote-tile .quote-author { margin-top: 22px; color: var(--color-accent); letter-spacing: 3px; font-size: 0.8rem; font-style: normal; font-family: var(--font-sans); font-weight: 600; }

/* ============ FOOTER ============ */
.site-footer {
  background: var(--color-primary-dark);
  color: #cfd6e0;
  padding: 70px 0 24px;
  font-size: 0.92rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-grid h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 18px;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.footer-grid ul li { margin-bottom: 9px; }
.footer-grid a { color: #cfd6e0; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-brand img { height: 60px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { color: #cfd6e0; line-height: 1.7; font-size: 0.9rem; }
.footer-bottom { border-top: 1px solid var(--color-border-dark); padding-top: 26px; text-align: center; color: #8a96a6; font-size: 0.85rem; }
.footer-bottom p { margin: 4px 0; }

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--color-primary);
    flex-direction: column;
    padding: 16px 0;
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 24px; border-bottom: 1px solid var(--color-border-dark); border-left: 3px solid transparent; }
  .main-nav a:hover, .main-nav a.active { border-bottom-color: var(--color-border-dark); border-left-color: var(--color-accent); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .president-card { grid-template-columns: 1fr; padding: 40px; text-align: center; }
  .president-card img { margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .utility-bar { display: none; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 460px; }
  .hero-content { padding: 60px 0; }
  .president-card img { width: 200px; height: 200px; }
  section { padding: 60px 0; }
  .program-block { padding: 28px; }
}