/* OCULA TECH — design tokens, reset, typography */
:root {
  --color-ink: #0b1220;
  --color-ink-soft: #1a2332;
  --color-muted: #5b6578;
  --color-line: #e6ebf2;
  --color-bg: #ffffff;
  --color-bg-soft: #f5f7fa;
  --color-accent: #2b8cff;
  --color-accent-bright: #5ab0ff;
  --color-accent-deep: #1a6fd4;
  --gradient-accent: linear-gradient(135deg, #5ab0ff 0%, #2b8cff 55%, #1a6fd4 100%);
  --shadow-sm: 0 1px 2px rgba(11, 18, 32, 0.04), 0 4px 12px rgba(11, 18, 32, 0.04);
  --shadow-md: 0 8px 30px rgba(11, 18, 32, 0.08);
  --shadow-lg: 0 20px 50px rgba(11, 18, 32, 0.1);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --container: 1120px;
  --header-h: 76px;
  --font-sans: "Manrope", "Plus Jakarta Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-ink-soft);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-accent);
}

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

h1,
h2,
h3,
h4 {
  color: var(--color-ink);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.15rem, 4.5vw, 3.35rem);
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1rem;
  color: var(--color-muted);
}

p:last-child {
  margin-bottom: 0;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section--soft {
  background: var(--color-bg-soft);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}

.lead {
  font-size: 1.125rem;
  max-width: 40rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

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