:root {
  --dark:         #1a1f2e;
  --dark-deep:    #0d1117;
  --teal:         #0d9488;
  --teal-hover:   #0a7a70;
  --teal-light:   #f0faf9;
  --orange:       #f97316;
  --orange-hover: #ea6c0a;
  --white:        #ffffff;
  --grey-light:   #f4f7f6;
  --text:         #1a1f2e;
  --text-muted:   #5c6e6c;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: var(--grey-light);
  color: var(--text);
  line-height: 1.6;
}

/* ── HEADER ─────────────────────────────────────── */

header {
  background: var(--dark);
  color: white;
  padding: 18px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 3px solid var(--teal);
}

nav {
  max-width: 1100px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
}

nav ul a {
  color: #5eead4;
  font-size: 14px;
  letter-spacing: 0.4px;
  transition: color 0.2s;
}

nav ul a:hover {
  color: white;
}

nav h1 a {
  color: white;
  font-size: 18px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  height: 52px;
  width: 52px;
  object-fit: contain;
  border-radius: 50%;
  background: white;
  padding: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  flex-shrink: 0;
}

nav ul a.active {
  color: var(--orange);
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}

/* ── HERO ────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 70vh;
  background: url('images/banner.jpg') center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(13,148,136,0.45) 0%, rgba(15,20,40,0.75) 100%);
}

.hero-content {
  position: relative;
  color: white;
  max-width: 700px;
}

.hero h2 {
  font-size: 44px;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.hero p {
  margin-bottom: 25px;
  font-size: 18px;
  color: #cde8e6;
}

/* ── BUTTONS ─────────────────────────────────────── */

.btn {
  display: inline-block;
  background: var(--orange);
  color: white;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 15px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn:hover {
  background: var(--orange-hover);
  transform: translateY(-2px);
}

/* ── SECTIONS ────────────────────────────────────── */

section {
  padding: 70px 20px;
  background: var(--white);
}

.section-alt {
  background: var(--teal-light);
}

/* Section visibility control — edit data-show in index.html */
[data-show="false"] {
  display: none;
}

.container {
  max-width: 1100px;
  margin: auto;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
  font-size: 32px;
  color: var(--dark);
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
}

.section-center {
  text-align: center;
  margin-top: 36px;
}

/* ── PAGE HERO (sub-pages) ───────────────────────── */

.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, #0d2828 100%);
  color: white;
  padding: 64px 20px;
  text-align: center;
  border-bottom: 4px solid var(--teal);
}

.page-hero h2 {
  font-size: 38px;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.page-hero p {
  font-size: 17px;
  color: #9ecfca;
  max-width: 600px;
  margin: 0 auto;
}

/* ── ABOUT GRID ──────────────────────────────────── */

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.about img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.15);
}

/* ── CARDS ───────────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.card {
  background: white;
  padding: 24px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(13, 148, 136, 0.08);
  border-top: 3px solid transparent;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-top-color: var(--teal);
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(13, 148, 136, 0.15);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
  display: block;
}

.card h3 {
  margin-bottom: 8px;
  color: var(--dark);
}

/* ── PLACEHOLDER ─────────────────────────────────── */

.placeholder {
  background: var(--teal-light);
  border: 2px dashed var(--teal);
  border-radius: 12px;
  padding: 52px 24px;
  text-align: center;
  color: var(--teal-hover);
}

.placeholder h3 {
  margin-bottom: 8px;
  font-size: 20px;
  color: var(--teal);
}

/* ── TEAM ────────────────────────────────────────── */

.team-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.team-card {
  background: white;
  border-radius: 12px;
  padding: 28px 16px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(13, 148, 136, 0.08);
  border-bottom: 3px solid transparent;
  transition: border-color 0.2s, transform 0.2s;
}

.team-card:hover {
  border-bottom-color: var(--teal);
  transform: translateY(-3px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), #14b8a6);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: white;
}

.team-card h3 {
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--dark);
}

.team-card p {
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
}

/* ── NEWS ────────────────────────────────────────── */

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.news-item {
  background: white;
  border-radius: 10px;
  padding: 22px;
  box-shadow: 0 2px 10px rgba(13, 148, 136, 0.07);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border-left: 4px solid var(--teal);
  transition: box-shadow 0.2s;
}

.news-item:hover {
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.14);
}

.news-badge {
  background: var(--orange);
  color: white;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.news-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--dark);
}

.news-item p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── ACHIEVEMENTS ────────────────────────────────── */

.achievement-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.achievement-item {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(13, 148, 136, 0.08);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border-left: 4px solid var(--orange);
  transition: transform 0.2s, box-shadow 0.2s;
}

.achievement-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.12);
}

.achievement-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.achievement-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--dark);
}

.achievement-item p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── VALUES (About page) ─────────────────────────── */

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.value-card {
  background: white;
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(13, 148, 136, 0.08);
  border-top: 4px solid var(--teal);
  transition: transform 0.2s;
}

.value-card:hover {
  transform: translateY(-3px);
}

.value-icon {
  font-size: 36px;
  margin-bottom: 14px;
}

.value-card h3 {
  margin-bottom: 8px;
  color: var(--dark);
}

.value-card p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── SUBSCRIBE BOX (News page) ───────────────────── */

.subscribe-box {
  background: linear-gradient(135deg, var(--dark) 0%, #0d2828 100%);
  color: white;
  text-align: center;
  padding: 52px 28px;
  border-radius: 14px;
  max-width: 600px;
  margin: 0 auto;
  border-top: 4px solid var(--teal);
}

.subscribe-box h3 {
  font-size: 26px;
  margin-bottom: 10px;
}

.subscribe-box p {
  margin-bottom: 24px;
  color: #9ecfca;
}

.subscribe-box input {
  width: 100%;
  max-width: 380px;
  padding: 14px 18px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
}

.subscribe-box button {
  display: block;
  margin: 14px auto 0;
  padding: 13px 32px;
  background: var(--orange);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background 0.2s;
}

.subscribe-box button:hover {
  background: var(--orange-hover);
}

/* ── FOOTER ──────────────────────────────────────── */

footer {
  background: var(--dark-deep);
  color: #7a9090;
  text-align: center;
  padding: 24px 20px;
  font-size: 14px;
  border-top: 3px solid var(--teal);
}

/* ── RESPONSIVE ──────────────────────────────────── */

@media (max-width: 768px) {

  nav {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }

  .nav-brand {
    flex-direction: column;
    gap: 6px;
  }

  .nav-logo-right {
    display: none;
  }

  nav ul {
    justify-content: center;
    gap: 14px;
  }

  .hero h2 {
    font-size: 30px;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .page-hero h2 {
    font-size: 28px;
  }

}