/* ==========================================================================
   Fjallavirkjun — Renewable energy of the Icelandic highlands
   Shared stylesheet
   Palette: basalt darks, glacier blues, aurora greens, cold whites
   ========================================================================== */

:root {
  /* Core palette */
  --basalt-900: #0a0e14;
  --basalt-800: #0d1420;
  --basalt-700: #131c2b;
  --basalt-600: #1b2738;
  --slate-500: #33445c;
  --slate-400: #5a6e88;

  --glacier-300: #7fd7e8;
  --glacier-400: #3fb6d3;
  --glacier-500: #1f8fb0;

  --aurora-300: #7ff0b0;
  --aurora-400: #35d68a;

  --ice-050: #f4f9fb;
  --ice-100: #dbe7ef;
  --mist-300: #9fb2c4;

  /* Semantic */
  --bg: var(--basalt-900);
  --bg-alt: var(--basalt-800);
  --panel: var(--basalt-700);
  --panel-2: var(--basalt-600);
  --text: var(--ice-100);
  --text-dim: var(--mist-300);
  --heading: var(--ice-050);
  --accent: var(--glacier-400);
  --accent-2: var(--aurora-400);
  --border: rgba(127, 215, 232, 0.14);

  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1180px;
  --gutter: clamp(1.2rem, 4vw, 3rem);

  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;

  --shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.75);
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--heading);
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.3rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { margin: 0 0 1.1em; }

a { color: var(--glacier-300); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--aurora-300); }

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(4rem, 9vw, 7.5rem); position: relative; }
.section--alt { background: var(--bg-alt); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--glacier-300);
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.lead { font-size: 1.15rem; color: var(--text-dim); max-width: 62ch; }

.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: linear-gradient(135deg, var(--glacier-400), var(--aurora-400));
  color: #05121a;
  box-shadow: 0 12px 30px -12px rgba(63, 182, 211, 0.6);
}
.btn--primary:hover { color: #05121a; box-shadow: 0 18px 40px -12px rgba(53, 214, 138, 0.55); }
.btn--ghost {
  background: rgba(127, 215, 232, 0.04);
  border-color: var(--border);
  color: var(--ice-050);
}
.btn--ghost:hover { border-color: var(--glacier-400); color: var(--glacier-300); background: rgba(127, 215, 232, 0.08); }

.btn__arrow { transition: transform var(--transition); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 20, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 74px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.02em;
  color: var(--heading);
}
.brand:hover { color: var(--heading); }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__name { line-height: 1; }
.brand__name small {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--glacier-400);
  margin-top: 3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  display: block;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 0.96rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover { color: var(--ice-050); background: rgba(127, 215, 232, 0.06); }
.nav__links a.is-active { color: var(--glacier-300); }
.nav__links a.is-active::after {
  content: "";
  display: block;
  height: 2px;
  margin: 4px 0.9rem 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.nav__cta { margin-left: 0.6rem; }
/* Keep the CTA button's dark-on-gradient text (override generic nav link color) */
.nav__links .nav__cta a,
.nav__links .nav__cta a:hover { color: #05121a; background: linear-gradient(135deg, var(--glacier-400), var(--aurora-400)); }
.nav__links .nav__cta a::after { display: none; }

.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 44px; height: 44px;
  cursor: pointer;
  padding: 0;
  color: var(--ice-050);
}
.nav__toggle svg { margin: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(53, 214, 138, 0.14), transparent 55%),
    radial-gradient(90% 80% at 10% 10%, rgba(63, 182, 211, 0.16), transparent 55%),
    linear-gradient(180deg, var(--basalt-800), var(--basalt-900));
}
.hero__aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.9;
}
.hero__mountains {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  width: 100%;
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; padding-block: clamp(3rem, 8vw, 6rem); }
.hero__content { max-width: 720px; }
.hero h1 { margin-bottom: 0.5em; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--glacier-300), var(--aurora-300));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--text-dim); max-width: 58ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
  z-index: 3;
  margin-top: -3.5rem;
}
.stat {
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--shadow);
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 700;
  color: var(--heading);
  line-height: 1;
}
.stat__num span { color: var(--glacier-400); }
.stat__label { color: var(--text-dim); font-size: 0.9rem; margin: 0.5rem 0 0; }

/* ---------- Section header ---------- */
.section-head { max-width: 64ch; margin-bottom: 3rem; }
.section-head.text-center { margin-inline: auto; }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: linear-gradient(165deg, var(--panel), var(--basalt-800));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(127, 215, 232, 0.35);
  box-shadow: var(--shadow);
}
.card__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(63, 182, 211, 0.12);
  border: 1px solid var(--border);
  color: var(--glacier-300);
  margin-bottom: 1.2rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--text-dim); margin-bottom: 0; font-size: 0.98rem; }

/* ---------- Split / feature rows ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.media-scene { display: block; width: 100%; height: auto; }

.checklist { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: 0.85rem; }
.checklist li { display: flex; gap: 0.75rem; align-items: flex-start; color: var(--text); }
.checklist svg { flex: none; margin-top: 4px; color: var(--aurora-400); }

/* ---------- Projects ---------- */
.project {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
  transition: border-color var(--transition), background var(--transition);
}
.project:hover { border-color: rgba(127, 215, 232, 0.3); background: var(--panel); }
.project__thumb { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); }
.project__tag {
  font-family: var(--font-display);
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--glacier-400);
}
.project h3 { margin: 0.35rem 0 0.4rem; }
.project p { color: var(--text-dim); margin: 0; font-size: 0.96rem; }
.project__meta {
  text-align: right;
  font-family: var(--font-display);
  color: var(--heading);
  font-weight: 600;
  white-space: nowrap;
}
.project__meta small { display: block; color: var(--text-dim); font-weight: 400; font-size: 0.8rem; }

/* ---------- Articles ---------- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
.article-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.article-card:hover { transform: translateY(-5px); border-color: rgba(127, 215, 232, 0.32); }
.article-card__img { aspect-ratio: 16 / 9; overflow: hidden; }
.article-card__img svg { width: 100%; height: 100%; }
.article-card__body { padding: 1.5rem 1.5rem 1.7rem; display: flex; flex-direction: column; flex: 1; }
.article-card__meta {
  display: flex; gap: 0.7rem; align-items: center;
  font-size: 0.78rem; color: var(--glacier-400);
  font-family: var(--font-display); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 0.7rem;
}
.article-card__meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--slate-400); }
.article-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.article-card p { color: var(--text-dim); font-size: 0.95rem; }
.article-card__link {
  margin-top: auto;
  font-family: var(--font-display);
  font-weight: 600; font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.article-card--feature {
  grid-column: 1 / -1;
  flex-direction: row;
}
.article-card--feature .article-card__img { flex: 1 1 50%; aspect-ratio: auto; }
.article-card--feature .article-card__body { flex: 1 1 50%; justify-content: center; padding: clamp(1.8rem, 4vw, 3rem); }
.article-card--feature h3 { font-size: clamp(1.5rem, 3vw, 2.1rem); }

/* ---------- CTA banner ---------- */
.cta {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(80% 120% at 85% 20%, rgba(53, 214, 138, 0.18), transparent 60%),
    linear-gradient(135deg, var(--panel), var(--basalt-800));
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
}
.cta h2 { max-width: 22ch; margin-inline: auto; }
.cta .lead { margin-inline: auto; margin-bottom: 2rem; }
.cta__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
  background:
    radial-gradient(90% 120% at 80% -20%, rgba(63, 182, 211, 0.14), transparent 55%),
    linear-gradient(180deg, var(--basalt-800), var(--basalt-900));
  border-bottom: 1px solid var(--border);
}
.page-hero__content { position: relative; z-index: 2; max-width: 760px; }
.breadcrumb { font-size: 0.85rem; color: var(--slate-400); margin-bottom: 1rem; font-family: var(--font-display); letter-spacing: 0.04em; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb span { color: var(--glacier-400); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.field { margin-bottom: 1.3rem; }
.field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ice-100);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.field input, .field textarea, .field select {
  width: 100%;
  background: var(--basalt-900);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--ice-050);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--glacier-400);
  box-shadow: 0 0 0 3px rgba(63, 182, 211, 0.16);
}
.field textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: 0.85rem; color: var(--slate-400); margin-top: 0.5rem; }

.contact-info { display: grid; gap: 1.4rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item__icon {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(63, 182, 211, 0.1);
  border: 1px solid var(--border);
  color: var(--glacier-300);
}
.contact-item h4 { font-family: var(--font-display); margin: 0 0 0.2rem; color: var(--heading); font-size: 1rem; }
.contact-item p { margin: 0; color: var(--text-dim); font-size: 0.96rem; }

.form-success {
  display: none;
  background: rgba(53, 214, 138, 0.1);
  border: 1px solid rgba(53, 214, 138, 0.4);
  color: var(--aurora-300);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  margin-bottom: 1.3rem;
  font-size: 0.95rem;
}
.form-success.is-visible { display: block; }

/* ---------- Values / team ---------- */
.value-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.value { padding: 1.6rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-alt); }
.value__num { font-family: var(--font-display); color: var(--glacier-400); font-size: 0.9rem; letter-spacing: 0.15em; }
.value h3 { font-size: 1.15rem; margin: 0.6rem 0 0.4rem; }
.value p { color: var(--text-dim); margin: 0; font-size: 0.95rem; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.member { text-align: center; }
.member__photo {
  width: 100%; aspect-ratio: 1; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border); margin-bottom: 1rem; background: var(--panel);
}
.member h4 { font-family: var(--font-display); margin: 0; color: var(--heading); }
.member p { margin: 0.2rem 0 0; color: var(--glacier-400); font-size: 0.88rem; }

/* ---------- Timeline ---------- */
.timeline { border-left: 2px solid var(--border); margin-left: 0.5rem; display: grid; gap: 2rem; }
.timeline__item { position: relative; padding-left: 2rem; }
.timeline__item::before {
  content: ""; position: absolute; left: -7px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--glacier-400); box-shadow: 0 0 0 4px rgba(63, 182, 211, 0.15);
}
.timeline__year { font-family: var(--font-display); color: var(--glacier-300); font-weight: 600; }
.timeline__item h4 { margin: 0.2rem 0 0.3rem; color: var(--heading); font-family: var(--font-display); }
.timeline__item p { color: var(--text-dim); margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--basalt-800);
  border-top: 1px solid var(--border);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-brand p { color: var(--text-dim); font-size: 0.95rem; max-width: 34ch; margin-top: 1rem; }
.footer-col h4 {
  font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--glacier-400); margin-bottom: 1.1rem;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.footer-col a { color: var(--text-dim); font-size: 0.95rem; }
.footer-col a:hover { color: var(--glacier-300); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding-top: 1.8rem; border-top: 1px solid var(--border);
  color: var(--slate-400); font-size: 0.86rem; flex-wrap: wrap;
}
.footer-bottom a { color: var(--slate-400); }
.socials { display: flex; gap: 0.6rem; }
.socials a {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 9px; color: var(--text-dim);
  transition: color var(--transition), border-color var(--transition);
}
.socials a:hover { color: var(--glacier-300); border-color: var(--glacier-400); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .article-card--feature { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 720px) {
  .nav__links {
    position: absolute;
    top: 74px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    background: rgba(13, 20, 32, 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 1rem var(--gutter) 1.5rem;
    transform: translateY(-140%);
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: 40;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: 0.8rem 0.9rem; }
  .nav__links a.is-active::after { display: none; }
  .nav__cta { margin: 0.6rem 0 0; }
  .nav__toggle { display: grid; place-items: center; }
  .stats { grid-template-columns: 1fr 1fr; margin-top: -2rem; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .project { grid-template-columns: 1fr; text-align: left; }
  .project__meta { text-align: left; }
  .article-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: flex-start; }
}

/* ==========================================================================
   REPORT ARCHIVE — full index list
   ========================================================================== */
.ryear { font-family: var(--font-display); color: var(--glacier-300); font-size: 1.15rem; margin: 2.4rem 0 0.8rem; }
.ryear:first-of-type { margin-top: 0.5rem; }
.rlist { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg-alt); }
.rrow {
  display: grid; grid-template-columns: 92px 1fr auto; gap: 1rem; align-items: center;
  padding: 0.85rem 1.2rem; border-top: 1px solid var(--border);
  color: var(--text); transition: background var(--transition), color var(--transition);
}
.rrow:first-child { border-top: none; }
.rrow:hover { background: var(--panel); color: var(--ice-050); }
.rrow__date { color: var(--slate-400); font-size: 0.8rem; font-family: var(--font-display); white-space: nowrap; }
.rrow__title { font-size: 0.98rem; line-height: 1.4; }
.rrow__tag {
  font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-family: var(--font-display); color: var(--glacier-400);
  border: 1px solid var(--border); border-radius: 20px; padding: 0.18rem 0.65rem; white-space: nowrap;
}
.rrow__tag--pdf { color: var(--slate-400); }
.rrow__tag--is { color: var(--aurora-400); }
@media (max-width: 620px) {
  .rrow { grid-template-columns: 1fr auto; }
  .rrow__date { grid-column: 1 / -1; margin-bottom: -0.3rem; }
}

/* ==========================================================================
   ARTICLE / POST — long-form reading layout
   ========================================================================== */
.post { padding-block: clamp(2.2rem, 5vw, 3.5rem) clamp(3rem, 7vw, 5rem); }
.post__wrap { max-width: 760px; margin-inline: auto; }
.post__head { margin-bottom: 2.4rem; }
.post__title { font-size: clamp(1.9rem, 4.4vw, 3rem); margin: 0.4rem 0 0.8rem; }
.post__byline {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; align-items: center;
  color: var(--text-dim); font-size: 0.95rem;
  font-family: var(--font-display);
  padding-bottom: 1.6rem; border-bottom: 1px solid var(--border);
}
.post__byline strong { color: var(--ice-050); font-weight: 600; }
.post__byline .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--slate-400); }

.post__source {
  display: flex; gap: 0.9rem; align-items: flex-start;
  background: rgba(63, 182, 211, 0.06);
  border: 1px solid var(--border);
  border-left: 3px solid var(--glacier-400);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem; margin: 1.8rem 0 2.4rem;
  font-size: 0.92rem; color: var(--text-dim);
}
.post__source svg { flex: none; margin-top: 2px; color: var(--glacier-300); }
.post__source a { font-weight: 600; }

.post__body { font-size: 1.09rem; line-height: 1.8; color: var(--text); }
.post__body > p { margin: 0 0 1.3em; }
.post__body h2 {
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  margin: 2em 0 0.7em; padding-top: 0.4em;
}
.post__body h2::before {
  content: ""; display: block; width: 40px; height: 3px; margin-bottom: 0.7rem;
  border-radius: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.post__body h3 { font-size: 1.2rem; margin: 1.6em 0 0.5em; color: var(--glacier-300); }
.post__body ul { margin: 0 0 1.3em; padding-left: 1.2em; }
.post__body li { margin-bottom: 0.5em; }
.post__body strong { color: var(--ice-050); }
.post__body em { color: var(--glacier-300); font-style: italic; }

.post__body blockquote {
  margin: 1.6em 0; padding: 0.4em 0 0.4em 1.4em;
  border-left: 3px solid var(--glacier-400);
  color: var(--ice-100); font-style: italic;
}

.post__lead { font-size: 1.2rem; line-height: 1.7; color: var(--ice-100); margin-bottom: 1.6em; }

/* Letter recipient block */
.post__addr {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; margin: 0 0 1.8em;
  font-size: 0.98rem; color: var(--text-dim);
}
.post__addr strong { color: var(--ice-050); }

/* Data tables */
.post__table-wrap { overflow-x: auto; margin: 1.8em 0; border: 1px solid var(--border); border-radius: var(--radius); }
.post__table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 460px; }
.post__table caption {
  text-align: left; padding: 0.9rem 1.1rem; color: var(--glacier-300);
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  border-bottom: 1px solid var(--border); background: rgba(63,182,211,0.05);
}
.post__table th, .post__table td { padding: 0.75rem 1.1rem; text-align: left; border-bottom: 1px solid var(--border); }
.post__table thead th { color: var(--ice-050); font-family: var(--font-display); font-size: 0.85rem; letter-spacing: 0.03em; }
.post__table tbody tr:last-child td { border-bottom: none; }
.post__table td:not(:first-child), .post__table th:not(:first-child) { text-align: right; font-variant-numeric: tabular-nums; }
.post__table .sub { color: var(--slate-400); font-size: 0.82em; }

/* Figure placeholder (charts/photos that live in the original PDF) */
.post__figure {
  margin: 1.8em 0; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-alt); overflow: hidden;
}
.post__figure figcaption {
  padding: 0.9rem 1.2rem; font-size: 0.88rem; color: var(--text-dim);
  border-top: 1px solid var(--border);
}
.post__figure figcaption b { color: var(--glacier-300); font-family: var(--font-display); }

.post__signoff { margin-top: 2em; padding-top: 1.4em; border-top: 1px solid var(--border); color: var(--text-dim); }
.post__signoff strong { color: var(--ice-050); display: block; }

/* Prev / next / back navigation */
.post-nav { max-width: 760px; margin: 3rem auto 0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.post-nav a { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; }

@media (max-width: 720px) {
  .post__body { font-size: 1.03rem; }
}

/* ==========================================================================
   MOTION LAYER — dynamic animations (injected elements + keyframes)
   ========================================================================== */

/* ---- Scroll progress bar ---- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--glacier-400), var(--aurora-400));
  z-index: 100;
  will-change: transform;
  box-shadow: 0 0 12px rgba(53, 214, 138, 0.5);
}

/* ---- Animated aurora drift (hero + page-hero) ---- */
.hero__aurora path { animation: aurora-drift 16s ease-in-out infinite alternate; transform-box: fill-box; transform-origin: center; }
.hero__aurora path:nth-child(2) { animation-duration: 22s; animation-delay: -6s; }

@keyframes aurora-drift {
  0%   { transform: translate3d(-3%, 0, 0) scaleY(1);    opacity: .75; }
  50%  { transform: translate3d(2%, -2%, 0) scaleY(1.12); opacity: 1; }
  100% { transform: translate3d(4%, 1%, 0) scaleY(0.95);  opacity: .8; }
}

/* An animated aurora glow for interior page heroes */
.page-hero::before {
  content: "";
  position: absolute;
  top: -40%; left: -10%;
  width: 60%; height: 160%;
  background: radial-gradient(closest-side, rgba(53,214,138,0.16), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
  animation: aurora-sweep 18s ease-in-out infinite alternate;
}
@keyframes aurora-sweep {
  0%   { transform: translateX(0) translateY(0); opacity: .7; }
  100% { transform: translateX(60%) translateY(8%); opacity: 1; }
}

/* ---- Headline gradient shimmer ---- */
.hero h1 .grad {
  background: linear-gradient(120deg, var(--glacier-300), var(--aurora-300), var(--glacier-300));
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-pan 7s linear infinite;
}
@keyframes gradient-pan {
  to { background-position: 220% center; }
}

/* ---- Falling snow / drifting particles ---- */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.particle {
  position: absolute;
  top: -8%;
  border-radius: 50%;
  background: var(--ice-100);
  opacity: 0;
  animation: snow-fall linear infinite;
  will-change: transform, opacity;
}
@keyframes snow-fall {
  0%   { transform: translate3d(0, -10vh, 0); opacity: 0; }
  10%  { opacity: .7; }
  90%  { opacity: .5; }
  100% { transform: translate3d(var(--drift, 20px), 92vh, 0); opacity: 0; }
}

/* ---- Parallax hooks (JS sets --py) ---- */
.hero__mountains { transform: translate3d(0, var(--py-mtn, 0), 0); }
.hero__aurora     { transform: translate3d(var(--px-aur, 0), var(--py-aur, 0), 0); }

/* ---- Flowing water in SVG scenes (seamless dash current) ---- */
.wave { stroke-dasharray: 16 12; animation: wave-flow 2.4s linear infinite; }
.wave--slow { animation-duration: 4s; }
@keyframes wave-flow {
  to { stroke-dashoffset: -28; }
}

/* ---- Spinning wind turbine in SVG ---- */
.turbine-blades { transform-box: fill-box; transform-origin: center; animation: spin 7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Staggered reveal (JS adds --i) ---- */
.reveal { transition-delay: calc(var(--i, 0) * 90ms); }
.reveal--pop { transform: translateY(24px) scale(0.98); }
.reveal--pop.is-visible { transform: none; }

/* ---- Card sheen on hover ---- */
.card, .article-card, .project { position: relative; }
.card::after, .article-card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: linear-gradient(140deg, rgba(127,215,232,0.10), transparent 42%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.card:hover::after, .article-card:hover::after { opacity: 1; }

/* ---- Floating hero content entrance ---- */
.hero__content { animation: hero-in 1s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
@keyframes hero-in {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: none; }
}

/* ---- Brand mark subtle pulse ---- */
.brand__mark { transition: transform var(--transition); }
.brand:hover .brand__mark { transform: rotate(-6deg) scale(1.08); }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .btn:hover, .card:hover, .article-card:hover { transform: none; }
  .hero__aurora path, .page-hero::before, .hero h1 .grad, .particle,
  .wave, .turbine-blades, .hero__content { animation: none !important; }
  .hero h1 .grad { background-position: 0 center; }
  .particles { display: none; }
  .hero__mountains, .hero__aurora { transform: none !important; }
}