/* Base layout */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #12212f;
  background-color: #f5f7fb;
}

body {
  line-height: 1.6;
}

a {
  color: #0d63c9;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & navigation */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.5rem;
  gap: 1.5rem;
}

.logo a {
  font-weight: 700;
  font-size: 1.7rem;
  color: #12212f;
}

.logo .tagline {
  display: block;
  font-size: 0.8rem;
  color: #64748b;
  white-space: nowrap;
}
.logo .logo-image {
  display: block;
  float: left;

}

.main-nav a {
  font-size: 0.9rem;
  color: #12212f;
  padding: 0.3rem 0.45rem;
  border-radius: 999px;
}

.main-nav a.active {
  background-color: #e5efff;
  color: #0d63c9;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #0d63c9, #0a4fa1);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(13, 99, 201, 0.25);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(13, 99, 201, 0.3);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: #0d63c9;
  border: 1px solid #0d63c9;
  box-shadow: none;
}

.btn-outline:hover {
  background-color: #e5efff;
}

.btn-small {
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  box-shadow: none;
}

/* Hero & sections */
.hero {
  background: radial-gradient(circle at top left, #e5efff, #f5f7fb 55%);
  padding: 3rem 0 3.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 1rem;
}

.hero p {
  margin-top: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.2rem 0 0.6rem;
}

.hero-subtext {
  font-size: 0.9rem;
  color: #64748b;
}

.hero-card {
  background-color: #ffffff;
  border-radius: 1.1rem;
  padding: 1.5rem 1.4rem;
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.12);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.hero-card h2 {
  font-size: 1.15rem;
  margin-top: 0;
}

.section {
  padding: 2.5rem 0;
}

.section-light {
  background-color: #ffffff;
}

.section-title {
  margin-top: 0;
  margin-bottom: 1.75rem;
  font-size: 1.4rem;
}

.page-hero {
  padding: 2.25rem 0 2rem;
  background-color: #ffffff;
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.page-hero h1 {
  margin: 0 0 0.75rem;
}

/* Grid & cards */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background-color: #ffffff;
  border-radius: 1rem;
  padding: 1.4rem 1.3rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.card-link {
  display: inline-flex;
  margin-top: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Lists */
.list-check {
  list-style: none;
  padding-left: 0;
}

.list-check li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.4rem;
}

.list-check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #16a34a;
  font-size: 0.9rem;
}

.course-meta {
  list-style: none;
  padding-left: 0;
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: #475569;
}

.course-meta li + li {
  margin-top: 0.2rem;
}

/* News */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.news-card {
  background-color: #ffffff;
  border-radius: 1rem;
  padding: 1.25rem 1.2rem;
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.news-meta {
  display: flex;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: #64748b;
  margin-bottom: 0.2rem;
}

.news-tag {
  background-color: #e5efff;
  color: #0d63c9;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
}

.news-title {
  margin: 0.2rem 0 0.45rem;
  font-size: 1.05rem;
}

.news-summary {
  margin: 0;
  font-size: 0.95rem;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-details p {
  margin: 0 0 0.6rem;
}

.contact-form-wrapper {
  background-color: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem 1.4rem 1.6rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.form-row {
  margin-bottom: 0.9rem;
}

.form-row label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border-radius: 0.55rem;
  border: 1px solid #cbd5e1;
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
}

input[type="text"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #0d63c9;
  box-shadow: 0 0 0 1px rgba(13, 99, 201, 0.1);
}

.field-hint {
  display: block;
  font-size: 0.8rem;
  color: #64748b;
  margin-top: 0.2rem;
}

.form-status {
  min-height: 1rem;
  font-size: 0.88rem;
  margin-bottom: 0.6rem;
}

.form-status.success {
  color: #16a34a;
}

.form-status.error {
  color: #b91c1c;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  background-color: #ffffff;
  margin-top: 2.5rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.1rem 0.5rem;
  font-size: 0.85rem;
  color: #64748b;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-links a {
  color: #475569;
  font-size: 0.85rem;
}

.footer-meta {
  text-align: right;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding: 2.4rem 0 2.8rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    text-align: left;
  }
}