/* ---------- Reset & base ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-blue: #2F3FEF;
  --color-blue-dark: #232FC2;
  --color-text: #17181C;
  --color-text-muted: #3A3B42;
  --color-bg: #FFFFFF;
  --font-main: "Ubuntu", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */
.site-header {
  width: 100%;
  padding: 32px clamp(24px, 6vw, 64px);
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 34px;
  width: auto;
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px clamp(20px, 6vw, 64px) 80px;
}

.hero-content {
  width: 100%;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.hero-text {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 560px;
}

/* ---------- Footer ---------- */
.site-footer {
  width: 100%;
  background-color: var(--color-blue);
  padding: 22px 24px;
  text-align: center;
}

.site-footer p {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* ---------- Responsive tweaks ---------- */
@media (max-width: 480px) {
  .site-header {
    padding: 24px 20px;
  }

  .logo-img {
    height: 28px;
  }

  .hero {
    padding-bottom: 60px;
  }

  .hero-content {
    gap: 20px;
  }
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

.logo:focus-visible {
  outline: 2px solid var(--color-blue-dark);
  outline-offset: 4px;
  border-radius: 4px;
}