/* =========================================================
   HLab.Science – Compact Theme (normalized hero/about blocks)
   ========================================================= */

/* ---------- CSS Variables ---------- */
:root {
  /* Palette */
  --color-primary: #2A9D8F;   /* teal */
  --color-deep: #264653;      /* deep blue-green (header/footer bg) */
  --color-accent: #E9C46A;    /* gold */
  --color-highlight: #F77F00; /* deep orange (hover) */
  --color-text: #1D1D1D;
  --color-bg: #F4F4F4;
  --color-white: #ffffff;

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-serif: "Lora", Georgia, serif;

  /* Type scale (compact) */
  --fs-1: 0.875rem;
  --fs-2: 1rem;
  --fs-3: 1.125rem;
  --fs-4: 1.375rem;           /* brand in header (compact) */
  --fs-5: 1.875rem;
  --fs-6: clamp(2rem, 4vw + 1rem, 3.25rem);

  /* Spacing (compact) */
  --space-1: 0.375rem;
  --space-2: 0.625rem;
  --space-3: 0.875rem;
  --space-4: 1.25rem;
  --space-5: 1.75rem;
  --space-6: 2.5rem;
  --space-7: 3.25rem;

  /* Layout */
  --max-content: 72rem;       /* ~1152px */
  --radius: 10px;
  --shadow-1: 0 2px 6px rgba(0,0,0,0.06);
  --shadow-2: 0 8px 24px rgba(0,0,0,0.12);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-highlight); }

.container { width: min(100% - 2rem, var(--max-content)); margin-inline: auto; }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  top: -1000px;
  left: -1000px;
}
.skip-link:focus {
  top: 0.5rem;
  left: 0.5rem;
  background: var(--color-white);
  color: var(--color-deep);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  z-index: 2000;
}

/* ---------- Header (compact) ---------- */
.site-header {
  background: var(--color-deep) !important;
  color: var(--color-white) !important;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.site-header .logo {
  color: var(--color-white) !important;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: var(--fs-4);
  text-transform: uppercase;
  padding: var(--space-3) 0;                 /* compact vertical rhythm */
}

/* Nav layout: horizontal row (desktop) */
.nav ul,
.primary-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: nowrap;                         /* keep side-by-side */
  gap: var(--space-4);
}

/* High-contrast header links (override visited) */
.site-header .nav a:link,
.site-header .nav a:visited,
.site-header .primary-nav a:link,
.site-header .primary-nav a:visited {
  color: #ffffff !important;                 /* white by default */
  font-weight: 600;
  font-size: var(--fs-2);
  line-height: 1;
  padding: var(--space-2) var(--space-2);    /* compact tap target */
  border-radius: 6px;
}

.site-header .nav a:hover,
.site-header .nav a:focus,
.site-header .primary-nav a:hover,
.site-header .primary-nav a:focus {
  color: var(--color-highlight) !important;  /* deep orange on hover/focus */
  text-decoration: none;
  background: rgba(255,255,255,0.06);
}

.site-header .nav a:active,
.site-header .primary-nav a:active { color: #ffffff !important; }

/* Current page marker (optional) */
.site-header .nav a[aria-current="page"],
.site-header .nav .active > a,
.site-header .primary-nav a[aria-current="page"],
.site-header .primary-nav .active > a {
  color: var(--color-accent) !important;     /* gold for current page */
}

/* Mobile toggle hidden (desktop-first) */
.nav-toggle { display: none; }

/* ---------- Hero (used on home) ---------- */
.hero {
  padding: var(--space-7) 0 var(--space-6);
  background: linear-gradient(to bottom, rgba(38,70,83,0.06), var(--color-bg));
}
.hero-text { max-width: 60ch; }
.hero-title {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-6);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-deep);
  line-height: 1.1;
}
.hero-text h1,
.hero-text h2,
.hero-text h3 {
  text-align: left !important;
  margin: 0 0 var(--space-2) !important;
  padding: 0 !important;
  color: var(--color-deep);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.hero-text p {
  text-align: left !important;
  margin: 0 0 var(--space-3) !important;
  padding: 0 !important;
  text-indent: 0 !important;
  border: 0 !important;
  color: #223;
  font-size: var(--fs-3);
}
.hero-media img { border-radius: var(--radius); box-shadow: var(--shadow-2); }

/* ---------- About page content grid ---------- */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding: var(--space-5) 0;
}
.content-grid article h2 {
  text-align: left !important;
  margin: 0 0 var(--space-2) !important;
  padding: 0 !important;
  color: var(--color-deep);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.content-grid article p {
  text-align: left !important;
  margin: 0 0 var(--space-3) !important;
  padding: 0 !important;
  text-indent: 0 !important;
  border: 0 !important;
  color: #223;
  font-size: var(--fs-3);
}

/* ✅ Make Motto identical to Vision & Mission: remove blockquote indent/border */
.content-grid article.motto blockquote {
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;           /* no left bar */
}
.content-grid article.motto blockquote::before,
.content-grid article.motto blockquote::after {
  content: none !important;       /* no decorative pseudo-elements */
}
.content-grid article.motto blockquote p {
  margin: 0 0 var(--space-3) !important;
  padding: 0 !important;
  text-indent: 0 !important;
  color: #223;
  font-size: var(--fs-3);
}

/* ---------- Buttons (old accent text preserved) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;                      /* slightly tighter */
  border-radius: var(--radius);
  font-weight: 700;
  font-size: var(--fs-2);
  border: 2px solid transparent;
  box-shadow: var(--shadow-1);
  transition: transform 120ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-2); }
.btn:active { transform: translateY(0); }

/* Accent (gold) button retains dark text (original preference) */
.btn.btn-accent {
  background: var(--color-accent) !important;
  color: #563b00 !important;                  /* dark text for readability */
}
.btn.btn-accent:hover { background: #f0c86f; }

/* Primary (teal) button with white text */
.btn.btn-primary {
  background: var(--color-primary) !important;
  color: #ffffff !important;
}
.btn.btn-primary:hover { background: #23867d; }

/* Outline variant */
.btn.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn.btn-outline:hover { color: #ffffff; background: var(--color-primary); }

/* ---------- Sections ---------- */
.section { padding: var(--space-5) 0; }
.section-title {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-5);
  color: var(--color-deep) !important;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.lead { font-size: var(--fs-3); color: #223; margin-bottom: var(--space-3); }

/* ---------- Footer (compact) ---------- */
.site-footer {
  background: var(--color-deep) !important;
  color: var(--color-white) !important;
  padding: var(--space-4) 0;                 /* reduced height */
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: var(--space-6);
}
.footer-inner {
  width: min(100% - 2rem, var(--max-content));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;                            /* wrap nicely on small screens */
}
.site-footer a { color: var(--color-accent) !important; }
.site-footer a:hover { color: var(--color-white) !important; }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .site-header .logo { font-size: 1.25rem; }
  .nav ul, .primary-nav ul { gap: var(--space-3); }
}
@media (max-width: 768px) {
  .container { width: min(100% - 1.5rem, var(--max-content)); }
  .nav ul, .primary-nav ul { gap: var(--space-2); flex-wrap: wrap; }
  .hero { padding: var(--space-6) 0 var(--space-5); }
  .section { padding: var(--space-4) 0; }
  .footer-inner { gap: var(--space-2); }
}
@media (max-width: 520px) {
  .hero-title { font-size: clamp(1.75rem, 6vw + 1rem, 3rem); }
  .btn { width: 100%; }
}


/* Welcome two-column layout */
.welcome-split .welcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr; /* text | image */
  align-items: start;
  gap: var(--space-6);
  padding-top: var(--space-4);
}

.welcome-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
}

.welcome-media .caption {
  font-size: var(--fs-1);
  color: #666;
  margin-top: var(--space-2);
  text-align: center;
}

/* Stack on narrow screens */
@media (max-width: 900px) {
  .welcome-split .welcome-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}