/* Section: Theme Tokens */
:root {
  --bg: #0b7770;
  --bg-2: #0a4f4a;
  --text: #eaffff;
  --muted: #b8d9d4;
  --accent: #ffd166;
  --accent-2: #e0be3a;
  --radius: 12px;
  --gap: 1rem;
}

/* Section: Global & Layout (Mobile-first) */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { line-height: 1.0; }
body {
  margin: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  line-height: 1.6;
  min-height: 100dvh;
  /* Layered teal gradient with subtle noise/scanlines */
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 60%, #001212 100%);
  background-image:
    linear-gradient(135deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,0) 60%),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, rgba(0,0,0,0) 1px 2px),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 60%, #001212 100%);
  background-blend-mode: overlay, overlay, normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
main { display: block; }

/* Section: Helpers & Utilities */
.container {
  max-width: clamp(320px, 90vw, 1100px);
  margin-inline: auto;
  padding: 0 1rem;
}
.grid { display: grid; gap: var(--gap); }
.card { padding: 1rem; border-radius: var(--radius); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.25); box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.tag { display: inline-block; padding: .25em .6em; border-radius: 999px; font-size: .75rem; background: rgba(255, 209, 102, .25); color: #fff; border: 1px solid rgba(255,255,255,.25); }

/* Section: Glass panels (with graceful fallback) */
header, main, footer, aside, nav, article {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  padding: 1rem;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
}
@supports not (backdrop-filter: blur(12px)) {
  header, main, footer, aside, nav, article {
    background: rgba(255, 255, 255, 0.18);
  }
}
header { margin: 0 auto 1rem; }

/* Section: Typography (fluid scale) */
h1, h2, h3, h4 { color: var(--text); margin: .25rem 0 0.5rem; }
h1 { font-size: clamp(1.75rem, 2.4rem + 2vw, 3.75rem); line-height: 1.15; font-weight: 700; }
h2 { font-size: clamp(1.25rem, 1.2rem + 2vw, 2.25rem); margin-top: .25rem; }
h3 { font-size: clamp(1.05rem, .9rem + 1.5vw, 1.5rem); margin-top: .75rem; }
h4 { font-size: clamp(1rem, 0.8rem + 1.2vw, 1.25rem); }

p { color: rgba(234, 246, 246, 0.95); margin: 0.5rem 0 1rem; }
.meta { color: var(--muted); font-size: clamp(0.85rem, 1vw, 1rem); margin: 0; }

/* Section: Imagery */
.image-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.image-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.featured-image { margin: .75rem 0 0; }

/* Section: Links & Buttons */
a, button, .btn, .cta {
  font-family: inherit;
  color: #fff;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--accent-2); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* Button variants */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .6rem 1rem; border-radius: 999px; border: 1px solid rgba(255,255,255,.4); background: linear-gradient(135deg, rgba(0,0,0,.15), rgba(0,0,0,.0)); color: #fff; transition: transform .15s ease, background .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--solid {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #1a1a1a;
  border: 1px solid rgba(0,0,0,.2);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5);
}
.btn--outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.6);
  color: #fff;
}
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Section: Lists / Content blocks */
ul, li { margin: 0.25rem 0; padding-left: 1.25rem; }
li { line-height: 1.6; }

/* Section: Layout helpers (grid utilities) */
@media (min-width: 760px) {
  .two-up { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
  .content-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--gap); align-items: start; }
}
@media (min-width: 1024px) {
  .grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--gap); }
}

/* Section: Forms (basic styling) */
input, textarea, select {
  width: 100%; padding: .6rem .75rem; border-radius: 8px; border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.08); color: var(--text);
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
label { font-size: .9rem; color: var(--muted); }

/* Section: Print (basic readability) */
@media print {
  body { background: #fff; color: #000; }
  header, main, footer { background: #fff; border: 0; border-radius: 0; box-shadow: none; }
  a { color: #000; text-decoration: underline; }
}

/* Section: Motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}