:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-alt: #eef3f8;
  --text: #213241;
  --muted: #5f7386;
  --primary: #0f6cbf;
  --primary-dark: #0b4d84;
  --border: #d7e2eb;
  --shadow: 0 18px 50px rgba(15, 39, 64, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(215, 226, 235, 0.8);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
 
}
.brand img { height: 90px; width: auto; }
.main-nav { display: flex; gap: 1.2rem; flex-wrap: wrap; align-items: center; }
.main-nav a, .nav-dropdown-toggle {
  font-weight: 600;
  color: var(--muted);
  padding: 0.35rem 0.2rem;
}
.main-nav a.active, .main-nav a:hover, .nav-dropdown-toggle:hover, .nav-dropdown:hover > .nav-dropdown-toggle { color: var(--primary); }
.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  display: none;
  min-width: 190px;
  padding: 0.6rem 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: white;
  box-shadow: var(--shadow);
  z-index: 120;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: block;
  padding: 0.65rem 0.95rem;
  color: var(--text);
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--surface-alt); color: var(--primary); }
.hero {
  position: relative;
  padding: 4rem 0 3rem;
  color: white;
  background: linear-gradient(110deg, rgba(7, 34, 61, 0.92), rgba(15, 108, 191, 0.84)), url('../upload/slider/slide1.jpg') center/cover;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero-content { max-width: 760px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.78rem;
  border-radius: 999px;
  background: rgba(15, 108, 191, 0.1);
  color: var(--primary-dark);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.74rem;
  font-weight: 700;
  margin: 0 0 1rem;
}
.hero .eyebrow {
  background: rgba(255,255,255,0.16);
  color: white;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}
.hero p { font-size: 1.05rem; color: rgba(255,255,255,0.88); max-width: 680px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.6rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: white; color: var(--primary-dark); box-shadow: var(--shadow); }
.button.secondary { border: 1px solid rgba(255,255,255,0.28); color: white; background: rgba(255,255,255,0.1); }
.hero-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.4rem;
  width: 1100px;
}
.hero-highlights .stat {
  padding: 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.13);
  border: 1px solid rgba(255,255,255,0.18);
}
.hero-highlights strong { display: block; font-size: 1.2rem; margin-bottom: 0.2rem; }
.section { padding: 3rem 0; }
.section.alt { background: rgba(255,255,255,0.65); }
.section-heading { max-width: 700px; margin-bottom: 1.25rem; }
.section-heading h2, .section h2 {
  font-size: clamp(1.5rem, 2.1vw, 1.9rem);
  line-height: 1.2;
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}
.section-heading p, .section p { color: var(--muted); margin: 0; }
.split { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 2rem; align-items: start; }
.profile-card, .card, .contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
}

#services .card {
  height: auto;
}
.about-company {
  display: grid;
  gap: 1.25rem;
}
.about-company-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.leadership-section {
  display: grid;
  gap: 1.35rem;
}
.leadership-intro {
  max-width: 760px;
}
.leadership-card {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: 1.5rem;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #f5f9fe 100%);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.leadership-photo {
  border-radius: 22px;
  overflow: hidden;
  background: var(--surface-alt);
}
.leadership-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 260px;
}
.leadership-copy h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  line-height: 1.3;
}
.profile-card img { width: 100%; max-width: 300px; border-radius: 18px; margin-bottom: 1rem; }
.profile-card h3 { margin: 0 0 0.5rem; }
.profile-card p { margin: 0; }
.stack { display: grid; gap: 1rem; }
.card h3 { margin-top: 0; margin-bottom: 0.6rem; font-size: 1.08rem; line-height: 1.3; }
.card ul { padding-left: 1rem; margin: 0; color: var(--muted); }
.card li { margin-bottom: 0.15rem; line-height: 1.35; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0.9rem; grid-auto-rows: 1fr; align-items: stretch; }
#services .cards-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: min-content;
}
.client-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.client-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.client-logo-card img {
  max-width: 100%;
  max-height: 70px;
  object-fit: contain;
  opacity: 1;
}
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.resource-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.35rem;
  box-shadow: var(--shadow);
  color: var(--text);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 45px rgba(15, 39, 64, 0.16);
}
.resource-card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.resource-card p { margin: 0; color: var(--muted); }
.resource-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.resource-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}
.resource-item h3 { margin: 0 0 0.5rem; }
.resource-item p { margin: 0 0 0.5rem; color: var(--muted); }
.resource-item small { color: var(--primary-dark); font-weight: 600; }
.badge-list { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1rem; }
.badge-list span {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--primary-dark);
  font-size: 0.9rem;
}
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 2rem; align-items: stretch; }
.contact-list { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: 0.65rem; }
.contact-list li { display: flex; align-items: center; gap: 0.6rem; color: var(--muted); }
.contact-list a { color: var(--text); }
.contact-form { display: grid; gap: 0.9rem; }
.form-row { display: grid; gap: 0.9rem; grid-template-columns: 1fr 1fr; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
  color: var(--text);
  background: #fbfdff;
}
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form button {
  justify-self: start;
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.3rem;
  background: var(--primary);
  color: white;
  font-weight: 700;
  cursor: pointer;
}
.contact-form button:hover { background: var(--primary-dark); }
.form-message { min-height: 1.4rem; margin: 0; color: var(--primary-dark); font-weight: 600; }
.form-message.error { color: #c63b3b; }
.site-footer {
  padding: 1.4rem 0 2rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: #f7faff;
}
@media (max-width: 880px) {
  .split, .contact-grid, .cards-grid, .about-company-grid { grid-template-columns: 1fr; }
  .hero-highlights { grid-template-columns: 1fr; }
  .leadership-card { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-bar { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
  .main-nav { gap: 0.8rem; }
  .hero { padding-top: 4rem; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}