/* =========================================================================
   Schaumburst LLC — official brand
   Yellow #F4C430 + Deep Navy #0E3B66 on Cream #FFF6E0
   "games made for the joy of it"
   ========================================================================= */

:root {
  /* Type scale (fluid) */
  --text-xs:    clamp(0.75rem,  0.70rem + 0.25vw, 0.875rem);
  --text-sm:    clamp(0.875rem, 0.80rem + 0.35vw, 1rem);
  --text-base:  clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:    clamp(1.125rem, 1.00rem + 0.75vw, 1.5rem);
  --text-xl:    clamp(1.5rem,   1.20rem + 1.25vw, 2.25rem);
  --text-2xl:   clamp(2rem,     1.20rem + 2.5vw,  3.5rem);
  --text-hero:  clamp(2.75rem,  1.00rem + 6vw,    6rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Brand palette — light mode */
  --color-bg:           #FFF6E0;          /* Cream */
  --color-surface:      #FBEEC9;          /* Cream slightly deeper for cards */
  --color-surface-alt:  #FDF2D2;
  --color-border:       #E8D9A8;
  --color-text:         #0E3B66;          /* Deep Navy — primary text */
  --color-text-muted:   #355E89;
  --color-text-faint:   #7A93B3;
  --color-primary:      #F4C430;          /* Schaumburst Yellow */
  --color-primary-dark: #D9A91A;
  --color-accent-navy:  #0E3B66;          /* Navy as the "second accent" */

  /* Radii + shadow */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(14,59,102,0.06), 0 2px 6px rgba(14,59,102,0.05);
  --shadow-md: 0 4px 12px rgba(14,59,102,0.08), 0 12px 32px rgba(14,59,102,0.07);

  /* Layout */
  --container: 1120px;
  --container-narrow: 720px;

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:           #0A2A4A;          /* Navy backdrop */
    --color-surface:      #0E3B66;
    --color-surface-alt:  #11457A;
    --color-border:       #1B5A93;
    --color-text:         #FFF6E0;          /* Cream text */
    --color-text-muted:   #C9D7E8;
    --color-text-faint:   #7C95B6;
    --color-primary:      #F4C430;
    --color-primary-dark: #FFD75A;
    --color-accent-navy:  #FFF6E0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4), 0 2px 6px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.45), 0 12px 32px rgba(0,0,0,0.35);
    color-scheme: dark;
  }
}

/* =========================================================================
   Reset + base
   ========================================================================= */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--color-text);
}

p { margin: 0; }

a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}
a:hover { border-bottom-color: currentColor; }

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

::selection {
  background: var(--color-primary);
  color: var(--color-accent-navy);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-accent-navy);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: 100;
  transition: top 0.2s var(--ease-out);
  border-bottom: none;
}
.skip-link:focus { top: var(--space-4); }

/* =========================================================================
   Layout
   ========================================================================= */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-10));
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* =========================================================================
   Header
   ========================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease-out);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: -0.03em;
  border-bottom: none;
  text-transform: lowercase;
}
.brand:hover { color: var(--color-text); border-bottom: none; }

.brand__mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}
.site-nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: lowercase;
  border-bottom: none;
}
.site-nav a:hover { color: var(--color-text); border-bottom: none; }

@media (max-width: 600px) {
  .site-nav { gap: var(--space-4); }
  .site-nav a:nth-child(2) { display: none; }
}

/* =========================================================================
   Hero
   ========================================================================= */

.hero {
  padding-block: clamp(var(--space-12), 10vw, var(--space-24));
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-16);
  }
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.hero__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--color-primary-dark);
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.04em;
  max-width: 12ch;
  margin-bottom: var(--space-6);
  text-transform: lowercase;
}
.hero__title em {
  font-style: normal;
  position: relative;
  display: inline-block;
}
.hero__title em::after {
  content: "";
  position: absolute;
  inset-inline: -0.05em;
  bottom: 0.08em;
  height: 0.35em;
  background: var(--color-primary);
  z-index: -1;
  border-radius: 2px;
}

.hero__lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 48ch;
  line-height: 1.5;
}

.hero__meta {
  margin-top: var(--space-10);
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.hero__meta-item strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: 2px;
  text-transform: lowercase;
}

/* Big bubble visual on the right */
.hero__visual {
  width: 100%;
  max-width: 360px;
  justify-self: center;
  aspect-ratio: 1 / 1;
}
@media (max-width: 899px) {
  .hero__visual { max-width: 240px; margin-top: var(--space-6); }
}

/* =========================================================================
   About / What we do
   ========================================================================= */

.about {
  border-top: 1px solid var(--color-border);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.section-heading {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-8);
  max-width: 28ch;
  text-transform: lowercase;
  letter-spacing: -0.025em;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}
@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-16);
  }
}

.about__body p {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-5);
  max-width: 60ch;
}
.about__body p:last-child { margin-bottom: 0; }

/* =========================================================================
   Capabilities
   ========================================================================= */

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

.capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 640px) {
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .capability-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-10); }
}

.capability {
  padding-top: var(--space-6);
  border-top: 2px solid var(--color-primary);
}
.capability__num {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}
.capability__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  text-transform: lowercase;
  letter-spacing: -0.025em;
}
.capability__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* =========================================================================
   Contact
   ========================================================================= */

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
@media (min-width: 768px) {
  .contact__grid { grid-template-columns: 1.2fr 1fr; gap: var(--space-16); }
}

.contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
}

.contact-card dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.contact-card dd {
  margin: 0 0 var(--space-6) 0;
  font-size: var(--text-base);
  color: var(--color-text);
}
.contact-card dd:last-child { margin-bottom: 0; }
.contact-card dd a {
  font-weight: 600;
  color: var(--color-text);
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-accent-navy);
  color: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  border-bottom: none;
  transition: background 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}
.contact-cta:hover {
  background: #11457A;
  color: var(--color-bg);
  transform: translateY(-1px);
  border-bottom: none;
}
.contact-cta svg { width: 14px; height: 14px; }

@media (prefers-color-scheme: dark) {
  .contact-cta {
    background: var(--color-primary);
    color: var(--color-accent-navy);
  }
  .contact-cta:hover { background: var(--color-primary-dark); color: var(--color-accent-navy); }
}

/* =========================================================================
   Footer
   ========================================================================= */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.site-footer nav { display: flex; gap: var(--space-5); }
.site-footer a {
  color: var(--color-text-muted);
  text-transform: lowercase;
  border-bottom: none;
}
.site-footer a:hover { color: var(--color-text); border-bottom-color: currentColor; }

/* =========================================================================
   Legal pages
   ========================================================================= */

.legal { padding-block: clamp(var(--space-12), 8vw, var(--space-20)); }
.legal h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  text-transform: lowercase;
  letter-spacing: -0.03em;
}
.legal__updated {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-12);
}
.legal h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.legal p, .legal li {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  max-width: 65ch;
  line-height: 1.7;
}
.legal a {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}
.legal a:hover { border-bottom-color: currentColor; }
.legal ul { padding-left: var(--space-6); }
.legal li { margin-bottom: var(--space-2); }
.legal strong { font-weight: 700; }