@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Inter:wght@400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }

:root {
  --c-bg:        #080810;
  --c-bg-alt:    #0f0f1c;
  --c-fg:        #f0f0f5;
  --c-muted:     #6a6a88;
  --c-accent:    #00d9ff;
  --c-border:    rgba(240, 240, 245, 0.08);
  --c-accent-lo: rgba(0, 217, 255, 0.10);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 7rem;

  --radius-sm: 3px;
  --radius-md: 8px;
  --radius-lg: 20px;

  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;
}

html { background-color: var(--c-bg); color: var(--c-fg); scroll-behavior: smooth; }
body { font-family: var(--font-body); font-size: clamp(0.9rem, 1.4vw, 1rem); line-height: 1.65; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 900; line-height: 1.15; }
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.4rem); font-weight: 700; }
p  { opacity: 0.85; }
a:hover { color: var(--c-accent); }

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  z-index: 1000;
  background: var(--c-accent);
  color: var(--c-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
}
.skip-link:focus { left: var(--space-2); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  padding-block: var(--space-2);
}
.site-header .container { display: flex; align-items: center; gap: var(--space-2); }
.site-header__logo-link { display: flex; align-items: center; gap: var(--space-2); }
.site-header__logo      { width: 36px; height: 36px; flex-shrink: 0; }
.site-header__brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--c-fg);
  letter-spacing: -0.02em;
}
.site-header__brand em { font-style: normal; color: var(--c-accent); }

.page-hero {
  background-color: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border);
  padding-block: var(--space-5);
}
.page-hero__eyebrow {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}
.page-hero h1 { margin-bottom: var(--space-2); }
.page-hero p  { color: var(--c-muted); max-width: 58ch; }

.page-content { padding-block: var(--space-5); }
.content-block { margin-bottom: var(--space-5); }
.content-block:last-child { margin-bottom: 0; }
.content-block h2 { margin-bottom: var(--space-3); }
.content-block h3 { margin-bottom: var(--space-2); margin-top: var(--space-4); }
.content-block p  { margin-bottom: var(--space-2); line-height: 1.75; }
.content-block p:last-child { margin-bottom: 0; }

.about-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-5);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--c-border);
  align-items: start;
}
.about-block:last-of-type { border-bottom: none; }
.about-block__label {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--c-accent);
  line-height: 1.2;
}
.about-block__body p + p { margin-top: var(--space-2); }

.site-footer {
  background-color: var(--c-bg);
  border-top: 1px solid var(--c-border);
  padding-block: var(--space-4);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.footer-brand-row { display: flex; align-items: center; gap: var(--space-2); }
.footer-brand-row svg { width: 26px; height: 26px; }
.footer-brand-row span {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--c-fg);
}
.footer-brand-row span em { font-style: normal; color: var(--c-accent); }
.footer__links { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.footer__links a { font-size: 0.8rem; color: var(--c-muted); }
.footer__links a:hover { color: var(--c-accent); }
.footer__copy { font-size: 0.78rem; color: var(--c-muted); }

@media (min-width: 641px) and (max-width: 1024px) {
  .about-block { grid-template-columns: 1fr; gap: var(--space-3); }
}
@media (max-width: 640px) {
  :root { --space-4: 1.5rem; --space-5: 2.5rem; }
  .container   { padding-inline: var(--space-3); }
  .about-block { grid-template-columns: 1fr; gap: var(--space-3); }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}