:root {
  --navy: #0f172a;
  --blue: #1d4ed8;
  --light-blue: #38bdf8;
  --text: #1e293b;
  --muted: #64748b;
  --bg: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
}

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

body {
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.navbar {
  background: rgba(15, 23, 42, 0.96);
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.25);
}

.nav-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.logo span {
  color: var(--light-blue);
}

.menu {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.menu a {
  font-size: 15px;
  color: #e2e8f0;
  transition: 0.2s;
}

.menu a:hover,
.menu a.active {
  color: var(--light-blue);
}

.hero,
.page-hero {
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(29, 78, 216, 0.82)),
    url("https://images.unsplash.com/photo-1449965408869-eaa3f722e40d?auto=format&fit=crop&w=1600&q=80");
  background-size: cover;
  background-position: center;
  color: white;
}

.hero {
  padding: 110px 0;
}

.page-hero {
  padding: 76px 0;
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  display: inline-block;
  background: rgba(56, 189, 248, 0.14);
  color: #bae6fd;
  border: 1px solid rgba(186, 230, 253, 0.3);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1.05;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 14px;
  color: var(--navy);
}

h3 {
  color: var(--navy);
  margin-bottom: 10px;
}

.hero p,
.page-hero p {
  font-size: 19px;
  color: #e2e8f0;
  max-width: 720px;
}

.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  display: inline-block;
  background: var(--light-blue);
  color: var(--navy);
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.2s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(56, 189, 248, 0.25);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.45);
}

.section {
  padding: 76px 0;
}

.section-desc {
  max-width: 780px;
  color: var(--muted);
  margin-bottom: 30px;
  font-size: 17px;
}

.grid-3,
.course-grid,
.price-grid,
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 24px;
}

.card,
.course-card,
.price-card,
.doc-card,
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: #dbeafe;
  color: var(--blue);
  font-size: 24px;
  margin-bottom: 18px;
}

.course-card {
  text-align: center;
  transition: 0.25s ease;
}

.course-card:hover,
.price-card:hover {
  transform: translateY(-5px);
  border-color: var(--blue);
}

.course-card strong {
  display: block;
  font-size: 34px;
  color: var(--navy);
  margin-bottom: 8px;
}

.course-card span {
  color: var(--muted);
  font-size: 15px;
}

.price-card {
  transition: 0.25s ease;
  position: relative;
  overflow: hidden;
}

.price-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 7px;
  width: 100%;
  background: linear-gradient(90deg, var(--blue), var(--light-blue));
}

.price-card.featured {
  border: 2px solid var(--blue);
}

.price-card.featured::after {
  content: "Polecane";
  position: absolute;
  top: 18px;
  right: 18px;
  background: #dbeafe;
  color: var(--blue);
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.price-card h3 {
  padding-right: 75px;
}

.price {
  font-size: 34px;
  font-weight: 800;
  color: var(--blue);
  margin: 12px 0 18px;
}

.list {
  list-style: none;
  margin-top: 14px;
}

.list li {
  padding: 9px 0;
  border-bottom: 1px solid #eef2f7;
  color: var(--muted);
}

.list li:last-child {
  border-bottom: none;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}

.about-box {
  background: white;
  padding: 34px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.info-strip {
  background: var(--navy);
  color: white;
  padding: 34px 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}

.info-item {
  background: rgba(255,255,255,0.08);
  padding: 22px;
  border-radius: 18px;
}

.info-item strong {
  display: block;
  color: var(--light-blue);
  font-size: 24px;
}

.form {
  display: grid;
  gap: 14px;
}

input,
textarea,
select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  font: inherit;
}

textarea {
  min-height: 130px;
}

.footer {
  background: #020617;
  color: #cbd5e1;
  padding: 36px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer strong {
  color: white;
}

.center {
  text-align: center;
  margin-top: 30px;
}

@media (max-width: 800px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .menu {
    gap: 12px;
  }

  .hero {
    padding: 82px 0;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .price-card h3 {
    padding-right: 0;
  }

  .price-card.featured::after {
    position: static;
    display: inline-block;
    margin-bottom: 12px;
  }
}