/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #2D3748;
  line-height: 1.6;
  background: #fff;
}

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

/* ── Navigation ── */
header {
  background: #1B3A5C;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  color: #fff;
  line-height: 1.2;
}

.nav-logo .wordmark {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-logo .tagline {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  opacity: 0.58;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  color: rgba(255,255,255,0.72);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  border-bottom-color: #63B3ED;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(150deg, #1B3A5C 0%, #2C5282 100%);
  color: #fff;
  padding: 7rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 25% 60%, rgba(99,179,237,0.12) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #90CDF4;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero .lead {
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.85;
  opacity: 0.82;
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2.25rem;
  border-radius: 4px;
  font-size: 0.87rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all 0.2s;
}

.btn-primary {
  background: #4A90D9;
  color: #fff;
}

.btn-primary:hover {
  background: #357ABD;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(74,144,217,0.4);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,0.4);
  color: #fff;
  margin-left: 1rem;
}

.btn-outline:hover {
  border-color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.08);
}

/* ── Shared Section ── */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #4A90D9;
  margin-bottom: 0.6rem;
}

h2.section-heading {
  font-size: 1.9rem;
  font-weight: 700;
  color: #1B3A5C;
  margin-bottom: 0.85rem;
}

.section-sub {
  color: #718096;
  font-size: 1rem;
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 3rem;
}

/* ── Services ── */
.services-section {
  padding: 5.5rem 2rem;
  background: #fff;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: #F7FAFC;
  border: 1px solid #E2ECF5;
  border-radius: 8px;
  padding: 2.25rem;
  transition: box-shadow 0.25s, transform 0.25s;
}

.service-card:hover {
  box-shadow: 0 10px 30px rgba(27,58,92,0.12);
  transform: translateY(-4px);
}

.service-icon {
  width: 40px;
  height: 40px;
  color: #4A90D9;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1B3A5C;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: #4A5568;
  line-height: 1.8;
}

.card-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: #4A90D9;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.card-link:hover { color: #2C6FAC; }

/* ── Philosophy ── */
.philosophy-section {
  padding: 5.5rem 2rem;
  background: #EBF4FF;
}

.philosophy-inner {
  max-width: 820px;
  margin: 0 auto;
}

blockquote.pull-quote {
  font-size: 1.2rem;
  font-style: italic;
  font-weight: 300;
  color: #1B3A5C;
  line-height: 1.85;
  border-left: 4px solid #4A90D9;
  padding: 0.25rem 0 0.25rem 1.75rem;
  margin: 1.75rem 0 2rem;
}

.philosophy-inner p {
  font-size: 0.97rem;
  color: #4A5568;
  line-height: 1.9;
  margin-bottom: 1.1rem;
}

/* ── Page Hero (About / Contact) ── */
.page-hero {
  background: linear-gradient(150deg, #1B3A5C 0%, #2C5282 100%);
  color: #fff;
  padding: 4rem 2rem 4.5rem;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-hero p {
  font-size: 0.92rem;
  opacity: 0.68;
  letter-spacing: 0.06em;
}

/* ── About Page ── */
.about-section {
  padding: 5rem 2rem;
  background: #fff;
}

.about-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: start;
}

.photo-col {
  position: sticky;
  top: 88px;
}

.about-photo {
  width: 100%;
  border-radius: 8px 8px 0 0;
  display: block;
  box-shadow: 0 8px 32px rgba(27,58,92,0.18);
}

.name-badge {
  background: #1B3A5C;
  color: #fff;
  text-align: center;
  padding: 1.1rem 1rem;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 32px rgba(27,58,92,0.18);
}

.name-badge strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.name-badge span {
  font-size: 0.72rem;
  opacity: 0.62;
  letter-spacing: 0.06em;
}

.bio-col h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: #1B3A5C;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid #E2ECF5;
}

.bio-col p {
  font-size: 0.96rem;
  color: #4A5568;
  line-height: 1.95;
  margin-bottom: 1.2rem;
}

/* ── Education ── */
.education-section {
  padding: 4.5rem 2rem 5.5rem;
  background: #F7FAFC;
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.edu-card {
  background: #fff;
  border: 1px solid #E2ECF5;
  border-radius: 8px;
  padding: 1.75rem;
}

.edu-card .institution {
  font-size: 0.7rem;
  font-weight: 700;
  color: #4A90D9;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.edu-card .degree {
  font-size: 1rem;
  font-weight: 600;
  color: #1B3A5C;
  margin-bottom: 0.3rem;
}

.edu-card .detail {
  font-size: 0.85rem;
  color: #718096;
  line-height: 1.55;
}

/* ── Contact ── */
.contact-section {
  padding: 5.5rem 2rem;
  background: #fff;
  text-align: center;
}

.contact-inner {
  max-width: 540px;
  margin: 0 auto;
}

.contact-card {
  background: #F7FAFC;
  border: 1px solid #E2ECF5;
  border-radius: 12px;
  padding: 3.5rem 2.5rem;
  margin-top: 2rem;
}

.contact-icon {
  width: 52px;
  height: 52px;
  color: #4A90D9;
  margin: 0 auto 1.5rem;
}

.contact-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1B3A5C;
  margin-bottom: 0.6rem;
}

.contact-card .contact-desc {
  font-size: 0.9rem;
  color: #718096;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.contact-email {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 500;
  color: #4A90D9;
  transition: color 0.2s;
  word-break: break-all;
}

.contact-email:hover { color: #2C6FAC; }

/* ── Footer ── */
footer {
  background: #1B3A5C;
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: 2rem;
  font-size: 0.82rem;
  line-height: 1.9;
}

footer a {
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}

footer a:hover { color: rgba(255,255,255,0.9); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .photo-col {
    position: static;
    max-width: 260px;
    margin: 0 auto;
  }

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

@media (max-width: 640px) {
  .hero { padding: 5rem 1.5rem; }
  .hero h1 { font-size: 2rem; }
  .hero .lead { font-size: 1rem; }

  .btn-outline {
    margin-left: 0;
    margin-top: 0.75rem;
    display: block;
    text-align: center;
  }

  nav { padding: 0 1rem; }
  .nav-links { gap: 1.5rem; }
  .nav-logo .tagline { display: none; }

  .services-section,
  .philosophy-section,
  .about-section,
  .education-section,
  .contact-section { padding: 3.5rem 1.25rem; }

  h2.section-heading { font-size: 1.6rem; }
  .page-hero h1 { font-size: 1.75rem; }
}