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

:root {
  --bg: #090c10;
  --panel: #0e1319;
  --panel-2: #111821;
  --border: #1d2733;
  --text: #d9e1ea;
  --muted: #8d9aaa;
  --blue: #3f82f7;
  --blue-hover: #2f6fe0;
  --shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
}

body {
  font-family: 'Rajdhani', sans-serif;
  background:
    radial-gradient(circle at top right, rgba(63,130,247,0.08), transparent 25%),
    linear-gradient(180deg, #07090c 0%, #0b1015 100%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
}

a {
  text-decoration: none;
  color: inherit;
}

.sidebar {
  width: 260px;
  min-height: 100vh;
  background: rgba(10, 14, 19, 0.96);
  border-right: 1px solid var(--border);
  padding: 24px 18px;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 34px;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
  background: #0b1015;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.02);
}

.brand-text h1 {
  font-family: 'Oswald', sans-serif;
  font-size: 24px;
  line-height: 0.95;
  color: #fff;
  letter-spacing: 0.5px;
}

.brand-text span {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav a {
  padding: 12px 14px;
  border-radius: 8px;
  color: #94a2b2;
  font-size: 18px;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: 0.2s ease;
}

.nav a:hover {
  background: #141b24;
  color: #fff;
}

.nav a.active {
  background: linear-gradient(90deg, rgba(63,130,247,0.12), transparent);
  border-left-color: var(--blue);
  color: #fff;
}

.sidebar-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.btn {
  border: none;
  padding: 13px 16px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
  text-align: center;
  display: inline-block;
}

.btn-primary {
  background: var(--blue);
  color: white;
}

.btn-primary:hover {
  background: var(--blue-hover);
}

.btn-secondary {
  background: #111821;
  color: #d8e1eb;
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #161f29;
}

.main {
  margin-left: 260px;
  width: calc(100% - 260px);
  padding: 28px 34px 60px;
}

.hero {
  position: relative;
  min-height: 380px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(5,8,12,0.95) 0%, rgba(7,10,14,0.83) 40%, rgba(7,10,14,0.45) 100%),
    url('../assets/banner.jpg') center center / cover no-repeat;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  padding: 50px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.28) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.hero-tag {
  display: inline-block;
  color: #68a0ff;
  border: 1px solid rgba(99, 156, 255, 0.25);
  background: rgba(63,130,247,0.08);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 700;
}

.hero h2 {
  font-family: 'Oswald', sans-serif;
  font-size: 68px;
  line-height: 0.95;
  color: #fff;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero p {
  font-size: 22px;
  color: #c4cfdb;
  line-height: 1.5;
  max-width: 560px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-logo {
  position: absolute;
  right: 35px;
  top: 50%;
  transform: translateY(-50%);
  width: 280px;
  opacity: 0.18;
  z-index: 1;
  filter: drop-shadow(0 0 22px rgba(255,255,255,0.05));
}

.section {
  margin-top: 34px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
  scroll-margin-top: 24px;
}

.section-label {
  display: inline-block;
  color: #86a0bc;
  font-size: 13px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  background: #121923;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 16px;
  font-weight: 700;
}

.section h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 42px;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1;
}

.section p.lead {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
  max-width: 720px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 26px;
  align-items: start;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.info-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  border-radius: 12px;
  padding: 18px;
}

.info-card h4 {
  color: #5fa0ff;
  font-size: 22px;
  margin-bottom: 6px;
}

.info-card p {
  color: #9ba8b7;
  font-size: 17px;
  line-height: 1.5;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.step {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.step-number {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 14px;
  background: rgba(63,130,247,0.08);
}

.step h4 {
  color: #fff;
  font-size: 22px;
  margin-bottom: 8px;
}

.step p {
  color: #94a2b2;
  font-size: 16px;
  line-height: 1.5;
}

.staff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.staff-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  text-align: center;
}

.staff-card img {
  width: 62px;
  height: 62px;
  object-fit: contain;
  margin-bottom: 14px;
  opacity: 0.9;
}

.staff-card h4 {
  color: #fff;
  font-size: 21px;
  margin-bottom: 6px;
}

.staff-card span {
  color: #68a0ff;
  font-size: 16px;
  font-weight: 700;
}

.footer {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: #667587;
  font-size: 15px;
  padding: 10px 4px 0;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group label {
  display: block;
  color: #cbd5e0;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #0b1015;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: #fff;
  font-family: inherit;
  font-size: 16px;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.checkbox-group input {
  width: auto;
}

.checkbox-group label {
  margin-bottom: 0;
  font-size: 15px;
  color: #9ba8b7;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  background: var(--panel-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.faq-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 12px;
}

.faq-item h4 {
  color: #fff;
  font-size: 19px;
  margin-bottom: 8px;
}

.faq-item p {
  color: #94a2b2;
  font-size: 16px;
  line-height: 1.5;
}

@media (max-width: 1200px) {
  .steps,
  .staff-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero h2 {
    font-size: 52px;
  }

  .hero-logo {
    width: 220px;
  }
}

@media (max-width: 860px) {
  body {
    display: block;
  }

  .sidebar {
    position: relative;
    width: 100%;
    min-height: auto;
    height: auto;
  }

  .main {
    margin-left: 0;
    width: 100%;
    padding: 20px;
  }

  .hero {
    padding: 30px 24px;
  }

  .hero h2 {
    font-size: 42px;
  }

  .hero p {
    font-size: 18px;
  }

  .hero-logo {
    display: none;
  }

  .steps,
  .staff-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}