/* Blueprint Studio — SOQT Labs */

:root {
  --canvas: #e8eef4;
  --surface: #f7fafc;
  --ink: #102a43;
  --muted: #486581;
  --accent: #c81e1e;
  --accent-soft: #d4e4f5;
  --line: #9fb3c8;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;

  --shell: min(68rem, calc(100% - 2.5rem));
  --measure: 38rem;
  --header-h: 4rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

h1,
h2,
h3,
p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -100%;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--ink);
  color: var(--surface);
  font-size: 0.875rem;
  border-radius: 0.25rem;
}

.skip-link:focus {
  top: var(--space-md);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-h);
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-md);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: var(--space-lg);
}

.site-nav a {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2em;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

/* Hero */

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: flex-end;
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
  isolation: isolate;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: var(--canvas);
  background-image:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--accent-soft) 70%, transparent) 0%,
      color-mix(in srgb, var(--canvas) 75%, transparent) 45%,
      color-mix(in srgb, var(--canvas) 88%, transparent) 100%
    ),
    url("assets/pattern-grid.svg"), url("assets/pattern-dots.svg");
  background-size:
    auto,
    96px 96px,
    20px 20px;
  background-position: center, center, center;
  background-repeat: no-repeat, repeat, repeat;
}

.hero-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 70% 55% at 72% 28%,
      color-mix(in srgb, var(--accent-soft) 55%, transparent),
      transparent 62%
    ),
    linear-gradient(to top, var(--canvas) 0%, transparent 28%);
  pointer-events: none;
}

.hero-mark {
  position: absolute;
  top: 8%;
  right: -6%;
  width: min(72vw, 34rem);
  aspect-ratio: 1;
  background: url("assets/hero-mark.svg") center / contain no-repeat;
  opacity: 0.9;
  pointer-events: none;
}

.hero-content {
  max-width: 40rem;
  padding-bottom: var(--space-lg);
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.75rem, 8vw, 5.25rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-md);
  max-width: 22ch;
}

.hero-support {
  color: var(--muted);
  font-size: 1.0625rem;
  max-width: 32ch;
}

.hero-content > * {
  animation: fade-up 0.9s var(--ease-out) both;
}

.hero-content > *:nth-child(2) {
  animation-delay: 0.12s;
}

.hero-content > *:nth-child(3) {
  animation-delay: 0.24s;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(1.1rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Sections */

.section {
  position: relative;
  padding: var(--space-2xl) 0;
  isolation: isolate;
}

.section-pattern {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url("assets/pattern-dots.svg");
  background-size: 18px 18px;
  opacity: 0.35;
  pointer-events: none;
  mask-image: linear-gradient(
    to bottom,
    transparent,
    #000 18%,
    #000 82%,
    transparent
  );
}

.section-pattern--hatch {
  background-image: url("assets/pattern-hatch.svg");
  background-size: 12px 12px;
  opacity: 0.4;
}

.products {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.approach {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--accent-soft) 28%, var(--canvas)),
    var(--canvas)
  );
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.section-lead {
  color: var(--muted);
  max-width: var(--measure);
  margin-bottom: var(--space-lg);
}

.products-status {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line);
  max-width: var(--measure);
}

.approach-copy {
  color: var(--muted);
  max-width: var(--measure);
  font-size: 1.125rem;
}

.products .shell > *,
.approach .shell > * {
  animation: fade-up 0.7s var(--ease-out) both;
  animation-timeline: view();
  animation-range: entry 0% entry 35%;
}

/* Footer */

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

.footer-inner {
  color: var(--muted);
  font-size: 0.875rem;
}

/* Responsive */

@media (max-width: 640px) {
  :root {
    --shell: min(68rem, calc(100% - 1.75rem));
    --header-h: 3.5rem;
  }

  .site-nav {
    gap: var(--space-md);
  }

  .hero {
    min-height: calc(92vh - var(--header-h));
    padding-top: var(--space-xl);
    align-items: flex-end;
  }

  .hero-mark {
    top: 4%;
    right: -28%;
    width: min(95vw, 26rem);
    opacity: 0.55;
  }

  .section {
    padding: var(--space-xl) 0;
  }
}

/* Reduced motion */

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

  .hero-content > *,
  .products .shell > *,
  .approach .shell > * {
    animation: none;
  }

  .site-nav a::after {
    transition: none;
  }
}