:root {
  --main: #1ad1ff;
  --second: #ccf5ff;
  --third: #ffffff;
  --ink: #0b2530;
  --ink-soft: #3d5a66;
  --main-dark: #0aa6cc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--third);
  line-height: 1.6;
}

h1, h2 {
  font-family: "Anton", Impact, sans-serif;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.1;
  margin: 0 0 16px;
}

h3 {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 1.25rem;
  margin: 0 0 8px;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--third);
  border-bottom: 3px solid var(--main);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: "Anton", Impact, sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  font-size: 0.95rem;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  border-bottom-color: var(--main);
}

.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--ink);
  border-radius: 6px;
  padding: 6px 12px;
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  color: var(--ink);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 1rem;
  background: var(--main);
  color: var(--ink);
  border: 2px solid var(--main);
  transition: background 0.2s, color 0.2s;
}

.btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--third);
}

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  margin-left: 12px;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--second) 0%, var(--third) 70%);
  padding: 96px 0 104px;
}

.eyebrow {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.9rem;
  color: var(--main-dark);
  margin: 0 0 12px;
  font-weight: 500;
}

.hero h1 {
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  max-width: 14ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--main-dark);
}

.hero p.lead {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 32px;
}

/* ---------- Sections ---------- */
section {
  padding: 80px 0;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
}

.section-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 5px;
  background: var(--main);
  margin-top: 12px;
}

.about {
  background: var(--second);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.stats {
  display: grid;
  gap: 16px;
}

.stat {
  background: var(--third);
  border-left: 6px solid var(--main);
  padding: 18px 22px;
  border-radius: 4px;
}

.stat strong {
  display: block;
  font-family: "Anton", Impact, sans-serif;
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.stat span {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---------- Services ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.card {
  border: 2px solid var(--second);
  border-top: 6px solid var(--main);
  border-radius: 6px;
  padding: 28px 24px;
  background: var(--third);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(26, 209, 255, 0.25);
}

.card p {
  margin: 0;
  color: var(--ink-soft);
}

/* ---------- Call to action ---------- */
.cta {
  background: var(--main);
  text-align: center;
}

.cta h2 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.cta p {
  max-width: 54ch;
  margin: 0 auto 28px;
}

.cta .btn {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--third);
}

.cta .btn:hover {
  background: var(--third);
  border-color: var(--third);
  color: var(--ink);
}

/* ---------- Contact / Footer ---------- */
.contact p {
  max-width: 56ch;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.contact-item {
  background: var(--second);
  border-left: 6px solid var(--main);
  border-radius: 4px;
  padding: 22px 24px;
}

.contact-item h3 {
  color: var(--main-dark);
  margin-bottom: 6px;
}

.contact-item p {
  margin: 0;
  font-size: 1.1rem;
  overflow-wrap: anywhere;
}

.contact-item a {
  font-family: "Oswald", sans-serif;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 2px solid var(--main);
}

.contact-item a:hover {
  color: var(--main-dark);
}

footer {
  background: var(--ink);
  color: var(--second);
  padding: 28px 0;
  text-align: center;
  font-size: 0.9rem;
}

/* ---------- Mobile ---------- */
@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--third);
    border-bottom: 3px solid var(--main);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 16px 20px;
    border-bottom: 1px solid var(--second);
  }

  .hero {
    padding: 64px 0 72px;
  }

  section {
    padding: 56px 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .btn-outline {
    margin-left: 0;
    margin-top: 12px;
  }
}