:root {
  --blue: #1565C0;
  --blue-dark: #0D47A1;
  --blue-light: #1976D2;
  --blue-bg: #E3F2FD;
  --white: #ffffff;
  --gray: #f5f7fa;
  --text: #222831;
  --text-muted: #607080;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(21,101,192,0.10);
}

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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── NAVBAR ── */
.navbar {
  background: var(--white);
  border-bottom: 1px solid #e0e9f7;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(21,101,192,0.07);
}
.navbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 80px;
}
.logo {
  display: flex; align-items: center;
  line-height: 1; border: none; outline: none; text-decoration: none;
}
.logo img { border: none; outline: none; box-shadow: none; }
.logo span { color: var(--blue); }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
  padding: 8px 18px; border-radius: 6px;
  font-weight: 500; color: var(--text);
  transition: background 0.2s, color 0.2s;
  font-size: 0.97rem;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--blue-bg); color: var(--blue);
}
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--blue-dark); margin: 5px 0; border-radius: 2px; transition: 0.3s; }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-light) 60%, #42A5F5 100%);
  color: var(--white); padding: 90px 24px 80px;
  text-align: center; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; max-width: 760px; margin: 0 auto; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.hero p { font-size: 1.15rem; opacity: 0.9; max-width: 560px; margin: 0 auto 36px; }
.btn {
  display: inline-block; padding: 14px 36px; border-radius: 50px;
  font-weight: 700; font-size: 1rem; cursor: pointer; transition: 0.2s;
  border: none;
}
.btn-white { background: var(--white); color: var(--blue); }
.btn-white:hover { background: var(--blue-bg); transform: translateY(-1px); }
.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.15); }

/* ── SECTION ── */
.section { padding: 72px 24px; }
.section-alt { background: var(--gray); }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-block; background: var(--blue-bg); color: var(--blue);
  font-size: 0.8rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 5px 14px; border-radius: 50px; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800;
  color: var(--blue-dark); margin-bottom: 14px;
}
.section-sub { color: var(--text-muted); max-width: 560px; margin-bottom: 48px; }
.divider { width: 50px; height: 4px; background: var(--blue); border-radius: 2px; margin: 16px 0 40px; }

/* ── SERVICES GRID ── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; }
.service-card {
  background: var(--white); border-radius: var(--radius);
  padding: 32px 24px; box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  border-top: 4px solid var(--blue);
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(21,101,192,0.15); }
.service-icon {
  width: 56px; height: 56px; background: var(--blue-bg); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.service-icon svg { color: var(--blue); }
.service-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.93rem; }

/* ── POSTS GRID ── */
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 28px; }
.post-card {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s; display: flex; flex-direction: column;
}
.post-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(21,101,192,0.15); }
.post-thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--blue-bg); position: relative; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.post-card:hover .post-thumb img { transform: scale(1.04); }
.post-thumb .yt-thumb { width: 100%; height: 100%; object-fit: cover; }
.play-icon {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.25);
}
.play-icon svg { filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4)); }
.post-body { padding: 22px 22px 18px; flex: 1; display: flex; flex-direction: column; }
.post-date { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.post-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; line-height: 1.35; }
.post-body p { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
.post-link {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--blue); font-weight: 600; font-size: 0.9rem;
  margin-top: 14px; transition: gap 0.2s;
}
.post-link:hover { gap: 8px; }
.post-tag {
  display: inline-block; background: var(--blue-bg); color: var(--blue);
  font-size: 0.75rem; font-weight: 600; padding: 3px 10px; border-radius: 50px;
  margin-bottom: 10px;
}

/* ── STATS ── */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 24px; margin-top: 48px; }
.stat { text-align: center; }
.stat-num { font-size: 2.5rem; font-weight: 800; color: var(--white); line-height: 1; }
.stat-label { color: rgba(255,255,255,0.8); font-size: 0.9rem; margin-top: 6px; }
.stat-section { background: linear-gradient(135deg, var(--blue-dark), var(--blue-light)); padding: 56px 24px; }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: 1.8rem; font-weight: 800; color: var(--blue-dark); margin-bottom: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.contact-item-icon {
  width: 44px; height: 44px; background: var(--blue-bg); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-item-icon svg { color: var(--blue); }
.contact-item-text { font-size: 0.95rem; }
.contact-item-text strong { display: block; color: var(--blue-dark); font-weight: 700; margin-bottom: 3px; }
.contact-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); height: 340px; }
.contact-map iframe { width: 100%; height: 100%; border: none; }

/* ── MISSION ── */
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.mission-visual {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-light));
  border-radius: var(--radius); padding: 48px 32px; color: var(--white); text-align: center;
}
.mission-visual h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 16px; }
.mission-visual p { opacity: 0.9; }
.value-list { list-style: none; margin-top: 24px; }
.value-list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 0.95rem; }
.value-list li::before { content: ''; width: 8px; height: 8px; background: var(--blue); border-radius: 50%; flex-shrink: 0; }

/* ── SINGLE POST ── */
.post-full { max-width: 820px; margin: 0 auto; padding: 56px 24px; }
.post-full h1 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; color: var(--blue-dark); margin-bottom: 16px; line-height: 1.25; }
.post-full .meta { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 28px; }
.post-full .cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; }
.post-full .cover img { width: 100%; }
.post-full .yt-embed { position: relative; padding-top: 56.25%; border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; }
.post-full .yt-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }
.post-full .content { color: var(--text); line-height: 1.85; font-size: 1.02rem; }
.post-full .content p { margin-bottom: 1.1em; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); font-weight: 600; margin-bottom: 24px; font-size: 0.9rem; }
.back-link:hover { text-decoration: underline; }

/* ── FOOTER ── */
footer {
  background: var(--blue-dark); color: var(--white);
  padding: 56px 24px 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; max-width: 1200px; margin: 0 auto; }
.footer-brand .logo { color: var(--white); margin-bottom: 16px; }
.footer-brand .logo span { color: #90CAF9; }
.footer-brand p { opacity: 0.7; font-size: 0.92rem; line-height: 1.7; }
footer h4 { font-size: 0.95rem; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 16px; color: #90CAF9; text-transform: uppercase; }
footer ul { list-style: none; }
footer ul li { margin-bottom: 10px; }
footer ul li a { opacity: 0.75; font-size: 0.9rem; transition: opacity 0.2s; }
footer ul li a:hover { opacity: 1; }
.footer-contact p { opacity: 0.75; font-size: 0.9rem; margin-bottom: 8px; display: flex; align-items: flex-start; gap: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12); margin-top: 48px;
  padding: 20px 0; text-align: center; opacity: 0.55; font-size: 0.85rem;
  max-width: 1200px; margin-left: auto; margin-right: auto;
}

/* ── PAGE HERO ── */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-light) 100%);
  color: var(--white); padding: 56px 24px;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
.page-hero p { opacity: 0.85; margin-top: 10px; font-size: 1.05rem; }

/* ── ALERTS ── */
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 0.95rem; }
.alert-success { background: #E8F5E9; color: #2E7D32; border-left: 4px solid #4CAF50; }
.alert-error { background: #FFEBEE; color: #C62828; border-left: 4px solid #EF5350; }

/* ── ADMIN ── */
.admin-body { background: #f0f4f8; min-height: 100vh; }
.admin-topbar {
  background: var(--blue-dark); color: var(--white);
  padding: 0 28px; height: 60px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
}
.admin-topbar .brand { font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.admin-topbar a { color: rgba(255,255,255,0.75); font-size: 0.9rem; transition: color 0.2s; }
.admin-topbar a:hover { color: var(--white); }
.admin-topbar nav { display: flex; gap: 20px; align-items: center; }
.admin-wrap { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }
.admin-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); padding: 28px;
}
.admin-title { font-size: 1.4rem; font-weight: 800; color: var(--blue-dark); margin-bottom: 24px; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; padding: 12px 14px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); border-bottom: 2px solid #eee; }
.admin-table td { padding: 14px; border-bottom: 1px solid #f0f0f0; font-size: 0.93rem; vertical-align: middle; }
.admin-table tr:hover td { background: #fafbfd; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; }
.badge-img { background: #E3F2FD; color: var(--blue); }
.badge-yt { background: #FFEBEE; color: #C62828; }

/* ── FORM ── */
.form-group { margin-bottom: 22px; }
label { display: block; font-weight: 600; font-size: 0.9rem; color: var(--blue-dark); margin-bottom: 7px; }
input[type=text], input[type=email], input[type=password], input[type=url], textarea, select {
  width: 100%; padding: 11px 14px; border: 1.5px solid #d0dbe8;
  border-radius: 8px; font-size: 0.95rem; font-family: inherit;
  color: var(--text); background: var(--white); transition: border 0.2s;
  outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(21,101,192,0.1); }
textarea { resize: vertical; min-height: 150px; }
.form-hint { font-size: 0.82rem; color: var(--text-muted); margin-top: 5px; }
.radio-group { display: flex; gap: 18px; margin-top: 4px; }
.radio-group label { font-weight: 400; display: flex; align-items: center; gap: 7px; cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.btn-danger { background: #EF5350; color: var(--white); }
.btn-danger:hover { background: #C62828; }

/* ── LOGIN ── */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--blue-dark), var(--blue-light)); }
.login-card { background: var(--white); border-radius: 16px; padding: 44px 40px; width: 100%; max-width: 400px; box-shadow: 0 8px 40px rgba(0,0,0,0.2); }
.login-card .logo { justify-content: center; font-size: 1.3rem; margin-bottom: 8px; }
.login-card p { text-align: center; color: var(--text-muted); margin-bottom: 28px; font-size: 0.92rem; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav-links { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px 24px; border-bottom: 1px solid #e0e9f7; box-shadow: 0 4px 16px rgba(21,101,192,0.1); }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}