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

:root {
  --navy:      #0d1b2a;
  --navy-mid:  #1a2e45;
  --blue:      #2b7dc0;
  --blue-dark: #1f5d8f;
  --blue-light:#4fa3e3;
  --white:     #ffffff;
  --off-white: #f4f7fb;
  --gray-100:  #e8edf4;
  --gray-400:  #8a96a8;
  --gray-600:  #4a5568;
  --text:      #1e2d3d;
  --radius:    10px;
  --shadow:    0 4px 24px rgba(13,27,42,0.10);
  --shadow-lg: 0 8px 40px rgba(13,27,42,0.18);
  --transition: 0.22s ease;
  --max-width: 1120px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

/* ── Navigation ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-logo img {
  height: 42px;
  width: auto;
}

.nav-brand {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
  max-width: 180px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.80);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: 0.45rem 1.1rem !important;
  border-radius: 6px !important;
  font-weight: 600 !important;
}

.nav-cta:hover { background: var(--blue-dark) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Hero ──────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('images/hero-bg.jpg') center center / cover no-repeat;
  padding: 100px 2rem 4rem;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10, 22, 38, 0.88) 0%,
    rgba(17, 44, 80, 0.82) 50%,
    rgba(13, 27, 42, 0.90) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-logo {
  height: 110px;
  width: auto;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 4px 20px rgba(43,125,192,0.5));
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.hero-tagline {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 2.25rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.5);
  font-size: 1.4rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.7rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border: 2px solid var(--blue);
  box-shadow: 0 2px 12px rgba(43,125,192,0.35);
}

.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  box-shadow: 0 4px 20px rgba(43,125,192,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.45);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.75);
}

.btn-large { padding: 0.9rem 2.2rem; font-size: 1.05rem; }

/* ── Sections ──────────────────────────────────────────────────── */
.section { padding: 96px 2rem; }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark .section-label { color: var(--blue-light); }
.section-dark .section-title { color: var(--white); }
.section-dark .section-intro  { color: rgba(255,255,255,0.70); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 1rem;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 600px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* ── About ─────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  font-size: 1.04rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-card {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-num {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--blue-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ── Services ──────────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: background var(--transition), border-color var(--transition),
              transform var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(43,125,192,0.45);
  transform: translateY(-3px);
}

.service-icon {
  width: 48px;
  height: 48px;
  color: var(--blue-light);
  margin-bottom: 1.1rem;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.62);
  line-height: 1.7;
}

/* ── Partners ──────────────────────────────────────────────────── */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}

.partner-item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  min-width: 200px;
}

.partner-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.partner-item img {
  max-height: 70px;
  max-width: 220px;
  width: auto;
  object-fit: contain;
}

/* ── Contact ───────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: rgba(43,125,192,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-light);
}

.contact-icon svg { width: 20px; height: 20px; }

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 0.2rem;
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  transition: color var(--transition);
}

a.contact-value:hover { color: var(--blue-light); }

.contact-cta {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.contact-cta p {
  font-size: 1rem;
  color: rgba(255,255,255,0.70);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

/* ── Footer ────────────────────────────────────────────────────── */
.site-footer {
  background: #080f18;
  color: rgba(255,255,255,0.55);
  padding-top: 3rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-logo { height: 44px; width: auto; }

.footer-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.80);
}

.footer-addr { font-size: 0.8rem; }

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--white); }

.footer-social {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.footer-social a {
  display: flex;
  align-items: center;
  opacity: 0.55;
  transition: opacity var(--transition);
}

.footer-social a:hover { opacity: 1; }
.footer-social img { height: 28px; width: auto; }

.footer-bottom {
  padding: 1.25rem 2rem;
  text-align: center;
  font-size: 0.78rem;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-stats { flex-direction: row; }
  .stat-card { flex: 1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 640px) {
  .section { padding: 64px 1.25rem; }
  .nav-brand { display: none; }
  .nav-links {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .about-stats { flex-direction: column; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .hero-logo { height: 80px; }
}