:root {
  --navy: #07111f;
  --navy-soft: #101f34;
  --blue: #5f91ff;
  --text: #0f172a;
  --muted: #64748b;
  --light: #f7f9fc;
  --border: #dbe3ee;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--light);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 86px;
  padding: 0 6%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 17, 31, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: white;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-mark {
  color: var(--blue);
  font-size: 1.55rem;
}

nav {
  display: flex;
  gap: 36px;
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
}

.header-cta {
  padding: 14px 22px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  font-weight: 800;
}

.hero {
  min-height: calc(100vh - 86px);
  padding: 90px 6% 80px;
  display: grid;
  grid-template-columns: minmax(0, 760px) 330px;
  justify-content: space-between;
  align-items: center;
  gap: 70px;
  color: white;
  background:
    radial-gradient(circle at 82% 36%, rgba(95,145,255,0.22), transparent 30%),
    linear-gradient(135deg, #06101d 0%, #0d1c31 100%);
}

.eyebrow {
  margin: 0 0 34px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.8;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(3.4rem, 5.35vw, 5.9rem);
  line-height: 1.03;
  letter-spacing: -0.07em;
}

h1 span {
  color: var(--blue);
}

.hero-copy {
  max-width: 680px;
  margin: 34px 0 0;
  color: #d6deea;
  font-size: 1.12rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

.hero-avatar {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-avatar img {
  width: 300px;
  height: 300px;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid rgba(255,255,255,0.14);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.35),
    0 0 0 1px rgba(255,255,255,0.06);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 26px;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

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

.secondary {
  border: 1px solid rgba(255,255,255,0.28);
  color: white;
}

.expertise {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: white;
  border-bottom: 1px solid var(--border);
}

.expertise article {
  padding: 56px 6vw;
  border-right: 1px solid var(--border);
}

.expertise article:last-child {
  border-right: none;
}

.icon {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--blue);
  font-weight: 900;
  letter-spacing: 0.18em;
}

h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.055em;
}

.expertise h2 {
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

p {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.05rem;
}

.split-section,
.about,
.contact {
  padding: 90px 6%;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  background: var(--light);
}

.dark {
  color: var(--blue);
}

.bullets {
  display: grid;
  gap: 18px;
}

.bullets p {
  margin: 0;
  padding: 22px 26px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.about {
  background: white;
}

.about p {
  max-width: 850px;
  font-size: 1.2rem;
}

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  background: #eef3f9;
}

form {
  display: grid;
  gap: 18px;
  padding: 34px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 18px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 16px;
  font: inherit;
}

button {
  width: fit-content;
  border: 0;
  border-radius: 8px;
  padding: 16px 26px;
  background: var(--navy);
  color: white;
  font-weight: 900;
  cursor: pointer;
}

@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .profile-card {
    max-width: 100%;
  }

  .expertise,
  .split-section,
  .contact {
    grid-template-columns: 1fr;
  }

  .expertise article {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 720px) {
  .site-header {
    height: 74px;
  }

  nav,
  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 70px 6% 64px;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 4.6rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}