:root {
  --blue-700: #14539c;
  --blue-600: #1d6fe0;
  --blue-500: #2f8aff;
  --blue-400: #63a8ff;
  --sky-100: #eaf3ff;
  --sky-50: #f5f9ff;
  --white: #ffffff;
  --ink-900: #0b1b33;
  --ink-700: #24344f;
  --ink-500: #5b6a84;
  --border: #e2ebf7;

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --wrap: 1120px;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('fonts/inter-var.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

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

:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  color: var(--ink-900);
  font-weight: 800;
  line-height: 1.15;
  margin: 0;
}

p { margin: 0; line-height: 1.6; }

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-600);
  margin: 0 0 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 8px 20px -8px rgba(29, 111, 224, 0.55);
}

.btn-primary:hover {
  background: var(--blue-700);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--blue-600);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--blue-400);
  background: var(--sky-50);
}

.btn-small { padding: 9px 18px; font-size: 14px; }
.btn-large { padding: 15px 32px; font-size: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-word {
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.site-nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
  margin-right: 32px;
}

.site-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-500);
}

.site-nav a:hover { color: var(--blue-600); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 100px;
  background: linear-gradient(180deg, var(--sky-100) 0%, var(--white) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-600);
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 19px;
  color: var(--ink-500);
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-clouds {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(99, 168, 255, 0.35), transparent 45%),
    radial-gradient(circle at 100% 60%, rgba(47, 138, 255, 0.25), transparent 40%);
  pointer-events: none;
}

.section-divider {
  display: flex;
  justify-content: center;
  padding: 40px 0;
}

.section-divider span {
  width: 64px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-400), var(--blue-600));
}

.services { padding: 100px 0; }

.services h2 { font-size: clamp(30px, 4vw, 40px); margin-bottom: 48px; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  background: var(--sky-50);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.service-card:hover {
  border-color: var(--blue-400);
  transform: translateY(-2px);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--sky-100);
  color: var(--blue-600);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--ink-500);
  font-size: 15.5px;
}

.skill-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skill-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-700);
}

.skill-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-500);
}

.about {
  padding: 100px 0;
  background: var(--ink-900);
  color: var(--white);
}

.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}

.about h2 {
  color: var(--white);
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 20px;
}

.about-text p {
  color: #b9c6dd;
  font-size: 17px;
}

.pillars {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 18px 22px;
}

.pillar-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue-400);
}

.pillar h3 {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
}

.contact { padding: 110px 0; text-align: center; }

.contact-inner { max-width: 560px; margin: 0 auto; }

.contact h2 { font-size: clamp(30px, 4vw, 40px); margin-bottom: 16px; }

.contact-sub {
  color: var(--ink-500);
  font-size: 17px;
  margin-bottom: 36px;
}

.email-display {
  display: inline-flex;
  font-size: 18px;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--sky-100);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 14px 28px;
  letter-spacing: 0.01em;
  user-select: all;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-logo .logo-word { font-size: 15px; }

.footer-copy {
  color: var(--ink-500);
  font-size: 14px;
}

@media (max-width: 860px) {
  .site-nav { display: none; }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero { padding: 72px 0 72px; }
  .services, .about, .contact { padding: 72px 0; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}