/* ============================================================
   RITZYME — Nordic Light design system
   Deep fjord night chrome · birch paper reading · aurora accents
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* color */
  --night:   #071219;
  --fjord:   #0b1e2c;
  --fjord-2: #10293c;
  --fjord-3: #16344b;
  --ice:     #dcedf2;
  --ice-dim: #9fbdc9;
  --paper:   #f6f2e9;
  --paper-2: #ede6d6;
  --paper-3: #e2d9c4;
  --ink:     #182430;
  --ink-soft:#43535f;
  --aurora:  #3fe8a4;
  --aurora-deep: #17b477;
  --cyan:    #59d9e4;
  --sun:     #f2a65a;
  --sun-deep:#d97f2e;
  --falu:    #c4472f;
  --line-dark: rgba(220, 237, 242, .14);
  --line-paper: rgba(24, 36, 48, .14);

  /* type */
  --serif: "Fraunces", Georgia, serif;
  --sans: "Schibsted Grotesk", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;

  --step--1: clamp(.78rem, .74rem + .18vw, .89rem);
  --step-0:  clamp(1rem, .96rem + .22vw, 1.13rem);
  --step-1:  clamp(1.22rem, 1.14rem + .4vw, 1.45rem);
  --step-2:  clamp(1.5rem, 1.34rem + .8vw, 1.98rem);
  --step-3:  clamp(1.9rem, 1.6rem + 1.5vw, 2.8rem);
  --step-4:  clamp(2.4rem, 1.9rem + 2.6vw, 4rem);
  --step-5:  clamp(3rem, 2.2rem + 4.2vw, 5.6rem);

  /* space & shape */
  --gutter: clamp(1.1rem, 4vw, 2.5rem);
  --section: clamp(4rem, 9vw, 8.5rem);
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 26px;
  --shadow-card: 0 2px 6px rgba(7, 18, 25, .08), 0 18px 50px -18px rgba(7, 18, 25, .35);
  --shadow-pop: 0 6px 18px rgba(7, 18, 25, .16), 0 32px 80px -24px rgba(7, 18, 25, .5);

  --wrap: 76rem;
  --wrap-narrow: 47rem;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

/* ---------- Reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--night);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.08; margin: 0 0 .6em; font-weight: 600; letter-spacing: -.01em; }
p { margin: 0 0 1.1em; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--aurora); color: var(--night); }

:focus-visible { outline: 2px solid var(--aurora); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--aurora); color: var(--night); padding: .6rem 1rem; font-weight: 700;
  border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; }

.wrap { width: min(var(--wrap), 100% - var(--gutter) * 2); margin-inline: auto; }
.wrap--narrow { width: min(var(--wrap-narrow), 100% - var(--gutter) * 2); margin-inline: auto; }

/* film grain */
.grain {
  pointer-events: none; position: fixed; inset: 0; z-index: 90;
  opacity: .05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: transform .45s var(--ease-out), background .3s;
}
.site-header.is-scrolled {
  background: rgba(7, 18, 25, .72);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--line-dark);
}
.site-header.is-hidden { transform: translateY(-100%); }
.header-bar {
  display: flex; align-items: center; gap: 1.5rem;
  padding: .85rem 0;
  color: var(--ice);
}
.logo {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--serif); font-weight: 700; font-size: 1.35rem; letter-spacing: .02em;
  color: var(--ice); text-decoration: none;
}
.logo svg { width: 34px; height: 34px; }
.logo .logo-dot { color: var(--aurora); }

.main-nav { margin-left: auto; display: flex; align-items: center; gap: .25rem; }
.main-nav a {
  position: relative;
  color: var(--ice); text-decoration: none; font-weight: 500; font-size: var(--step--1);
  letter-spacing: .04em; text-transform: uppercase;
  padding: .55rem .8rem; border-radius: 999px;
  transition: color .25s;
}
.main-nav a::after {
  content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .3rem; height: 2px;
  background: linear-gradient(90deg, var(--aurora), var(--cyan));
  border-radius: 2px; transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease-out);
}
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }

.btn-yt {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(120deg, var(--falu), #e05a3a);
  color: #fff; text-decoration: none; font-weight: 700; font-size: var(--step--1);
  padding: .6rem 1.1rem; border-radius: 999px; letter-spacing: .02em;
  box-shadow: 0 4px 18px -4px rgba(196, 71, 47, .55);
  transition: transform .3s var(--ease-spring), box-shadow .3s;
}
.btn-yt:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 8px 26px -6px rgba(196, 71, 47, .7); }
.btn-yt svg { width: 18px; height: 18px; }

.nav-toggle { display: none; }

@media (max-width: 860px) {
  .main-nav {
    position: fixed; inset: 0; z-index: -1;
    flex-direction: column; justify-content: center; gap: .8rem;
    background: rgba(7, 18, 25, .96);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    opacity: 0; pointer-events: none; transition: opacity .35s;
  }
  .main-nav a { font-size: var(--step-1); text-transform: none; letter-spacing: 0; font-family: var(--serif); }
  body.nav-open .main-nav { opacity: 1; pointer-events: auto; z-index: 99; }
  .nav-toggle {
    display: grid; place-items: center; margin-left: auto;
    width: 44px; height: 44px; border: 1px solid var(--line-dark); border-radius: 50%;
    background: transparent; color: var(--ice); z-index: 101;
  }
  .header-bar .btn-yt { display: none; }
  .main-nav .btn-yt { display: inline-flex; margin-top: 1rem; }
}
@media (min-width: 861px) { .main-nav .btn-yt { display: none; } }

/* ============================================================
   Buttons & chips
   ============================================================ */
.btn {
  --btn-bg: var(--aurora);
  --btn-fg: var(--night);
  display: inline-flex; align-items: center; gap: .55rem;
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 700; text-decoration: none; letter-spacing: .01em;
  padding: .85rem 1.5rem; border-radius: 999px; border: 0;
  transition: transform .3s var(--ease-spring), box-shadow .3s, background .3s;
  box-shadow: 0 6px 24px -8px rgba(63, 232, 164, .55);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 34px -10px rgba(63, 232, 164, .75); }
.btn .arr { transition: transform .3s var(--ease-out); }
.btn:hover .arr { transform: translateX(4px); }
.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ice);
  border: 1px solid var(--line-dark); box-shadow: none;
}
.btn--ghost:hover { background: rgba(220, 237, 242, .08); box-shadow: none; }
.btn--paper { --btn-bg: var(--ink); --btn-fg: var(--paper); box-shadow: 0 6px 24px -8px rgba(24, 36, 48, .5); }
.btn--sun { --btn-bg: linear-gradient(120deg, var(--sun), var(--sun-deep)); --btn-fg: #241303; box-shadow: 0 6px 24px -8px rgba(242, 166, 90, .6); }

.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--aurora-deep);
  background: rgba(63, 232, 164, .12);
  border: 1px solid rgba(63, 232, 164, .35);
  padding: .3rem .75rem; border-radius: 999px;
}
.on-dark .chip, .hero .chip { color: var(--aurora); }

.overline {
  display: flex; align-items: center; gap: .8rem;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--aurora-deep); margin-bottom: 1.1rem; font-weight: 600;
}
.overline::before { content: ""; width: 2.2rem; height: 1px; background: currentColor; opacity: .6; }
.on-dark .overline { color: var(--aurora); }

/* ============================================================
   Home hero
   ============================================================ */
.hero {
  position: relative; min-height: 100svh;
  display: grid; align-items: end;
  color: var(--ice); overflow: clip;
  isolation: isolate;
}
.hero-media { position: absolute; inset: -12% 0; z-index: -3; }
.hero-media img, .hero-media video {
  width: 100%; height: 100%; object-fit: cover;
  animation: heroKen 26s var(--ease-out) both;
}
@keyframes heroKen { from { transform: scale(1.14); } to { transform: scale(1); } }

.hero-aurora { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; opacity: .85; mix-blend-mode: screen; }

.hero-veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(178deg, rgba(7,18,25,.55) 0%, rgba(7,18,25,0) 28%, rgba(7,18,25,0) 46%, rgba(7,18,25,.82) 88%, var(--night) 100%),
    radial-gradient(120% 70% at 70% 20%, rgba(7,18,25,0) 40%, rgba(7,18,25,.35) 100%);
}
.hero-inner { padding: 9rem 0 5.5rem; }
.hero-coords {
  font-family: var(--mono); font-size: .8rem; letter-spacing: .3em;
  color: var(--cyan); text-transform: uppercase; margin-bottom: 1.4rem;
  display: flex; gap: 1.4rem; flex-wrap: wrap; align-items: center;
}
.hero-coords .pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--aurora);
  box-shadow: 0 0 0 0 rgba(63, 232, 164, .7); animation: pulse 2.4s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 12px rgba(63,232,164,0); } 100% { box-shadow: 0 0 0 0 rgba(63,232,164,0); } }

.hero h1 {
  font-size: var(--step-5); font-weight: 600; margin: 0 0 1.2rem; max-width: 12ch;
  text-wrap: balance;
}
.hero h1 em { font-style: italic; font-weight: 400; color: var(--aurora); }
.hero p.lede { font-size: var(--step-1); max-width: 46ch; color: var(--ice); opacity: .92; }
.hero-cta { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: 2rem; }

.hero-scroll {
  position: absolute; right: var(--gutter); bottom: 2.2rem;
  display: flex; flex-direction: column; align-items: center; gap: .7rem;
  color: var(--ice-dim); font-family: var(--mono); font-size: .68rem; letter-spacing: .3em; text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero-scroll .line { width: 1px; height: 64px; background: linear-gradient(var(--aurora), transparent); animation: drip 2.2s var(--ease-out) infinite; }
@keyframes drip { from { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 56% { transform-origin: bottom; } to { transform: scaleY(0); transform-origin: bottom; } }

/* split-line headline reveal */
.split-lines .line-wrap { display: block; overflow: clip; }
.split-lines .line-in { display: block; transform: translateY(110%); animation: lineUp 1.1s var(--ease-out) forwards; animation-delay: var(--d, 0s); }
@keyframes lineUp { to { transform: translateY(0); } }

/* ============================================================
   Sections
   ============================================================ */
.section { padding-block: var(--section); position: relative; }
.section--paper { background: var(--paper); color: var(--ink); }
.section--paper2 { background: var(--paper-2); color: var(--ink); }
.section--dark { background: var(--night); color: var(--ice); }
.section--fjord {
  background: linear-gradient(185deg, var(--night) 0%, var(--fjord) 40%, var(--fjord-2) 100%);
  color: var(--ice);
}

.section-head { max-width: 44rem; margin-bottom: clamp(2rem, 5vw, 3.6rem); }
.section-head h2 { font-size: var(--step-4); text-wrap: balance; }
.section-head p { color: var(--ink-soft); font-size: var(--step-1); }
.on-dark .section-head p, .section--dark .section-head p, .section--fjord .section-head p { color: var(--ice-dim); }
.section-head--row { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; max-width: none; }

/* topo contour background flourish */
.topo-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; opacity: .5; }
.topo-bg svg { position: absolute; width: 1200px; height: auto; opacity: .1; }

/* wave divider between dark and paper */
.divider { display: block; width: 100%; height: 70px; margin-bottom: -1px; }

/* ============================================================
   Cards
   ============================================================ */
.card-grid { display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fill, minmax(min(21rem, 100%), 1fr)); }

.card {
  position: relative; display: flex; flex-direction: column;
  background: #fffdf8; color: var(--ink);
  border-radius: var(--r-md); overflow: hidden;
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d; will-change: transform;
  transition: box-shadow .4s;
}
.card:hover { box-shadow: var(--shadow-pop); }
.card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease-out); }
.card:hover .card-media img { transform: scale(1.06); }
.card-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(7,18,25,0) 55%, rgba(7,18,25,.38) 100%);
}
.card-glare {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: radial-gradient(420px circle at var(--gx, 50%) var(--gy, 50%), rgba(255,255,255,.22), transparent 42%);
  opacity: 0; transition: opacity .35s;
}
.card:hover .card-glare { opacity: 1; }
.card-body { display: flex; flex-direction: column; gap: .55rem; padding: 1.3rem 1.4rem 1.5rem; flex: 1; }
.card-cat {
  font-family: var(--mono); font-size: .68rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--aurora-deep);
}
.card h3 { font-size: var(--step-2); margin: 0; }
.card p { color: var(--ink-soft); font-size: var(--step--1); margin: 0; flex: 1; }
.card-meta { display: flex; gap: 1rem; font-size: .75rem; color: var(--ink-soft); font-family: var(--mono); letter-spacing: .04em; margin-top: .4rem; }
.card-more { color: var(--aurora-deep); font-weight: 700; font-size: var(--step--1); display: inline-flex; align-items: center; gap: .4rem; }
.card:hover .card-more .arr { transform: translateX(4px); }
.card-more .arr { transition: transform .3s var(--ease-out); }

/* feature card (large, home) */
.feature-card { grid-column: span 2; }
@media (max-width: 760px) { .feature-card { grid-column: span 1; } }

/* dark variant */
.card--dark { background: var(--fjord-2); color: var(--ice); border: 1px solid var(--line-dark); }
.card--dark p { color: var(--ice-dim); }
.card--dark .card-cat { color: var(--aurora); }
.card--dark .card-more { color: var(--aurora); }

/* ============================================================
   Experience rail (horizontal snap)
   ============================================================ */
.rail-wrap { position: relative; }
.rail {
  display: grid; grid-auto-flow: column; grid-auto-columns: min(23rem, 82vw);
  gap: 1.4rem; overflow-x: auto; padding: .5rem var(--gutter) 1.6rem;
  scroll-snap-type: x mandatory; scrollbar-width: none;
  scroll-behavior: smooth;
  margin-inline: calc(var(--gutter) * -1);
}
@media (prefers-reduced-motion: reduce) { .rail { scroll-behavior: auto; } }
.rail::-webkit-scrollbar { display: none; }
.rail > * { scroll-snap-align: center; }
.rail-nav { display: flex; gap: .6rem; }
.rail-btn {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line-dark); background: transparent; color: var(--ice);
  display: grid; place-items: center; transition: background .3s, transform .2s;
}
.rail-btn:hover { background: rgba(220,237,242,.1); transform: scale(1.06); }
.rail-btn.is-end { opacity: .35; }

/* ============================================================
   Stats band
   ============================================================ */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 2rem; }
.stat { border-left: 1px solid var(--line-dark); padding-left: 1.2rem; }
.stat b {
  display: block; font-family: var(--serif); font-size: var(--step-4); font-weight: 600; line-height: 1;
  background: linear-gradient(100deg, var(--ice) 30%, var(--aurora));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat > span { color: var(--ice-dim); font-size: var(--step--1); letter-spacing: .04em; }
.stat b span { color: inherit; font-size: inherit; letter-spacing: inherit; }

/* ============================================================
   Marquee
   ============================================================ */
.marquee {
  overflow: hidden; white-space: nowrap; user-select: none;
  border-block: 1px solid var(--line-dark);
  padding-block: 1rem; position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: inline-flex; gap: 3.2rem; padding-right: 3.2rem; animation: marquee 46s linear infinite; }
.marquee span {
  font-family: var(--serif); font-size: var(--step-2); font-style: italic; color: var(--ice-dim);
  display: inline-flex; align-items: center; gap: 3.2rem;
}
.marquee span::after { content: "◈"; font-size: .8em; color: var(--aurora); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   YouTube band
   ============================================================ */
.yt-band { position: relative; overflow: clip; }
.yt-band .wrap { display: grid; gap: 3rem; grid-template-columns: 1.05fr .95fr; align-items: center; }
@media (max-width: 900px) { .yt-band .wrap { grid-template-columns: 1fr; } }
.yt-frame {
  position: relative; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 16/9;
  box-shadow: var(--shadow-pop); border: 1px solid var(--line-dark);
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform .6s var(--ease-out);
}
.yt-frame:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.yt-frame iframe, .yt-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border: 0; }
.yt-play {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(7,18,25,.05), rgba(7,18,25,.4));
  border: 0; color: #fff;
}
.yt-play .ring {
  width: 84px; height: 84px; border-radius: 50%;
  background: rgba(196, 71, 47, .92); display: grid; place-items: center;
  box-shadow: 0 0 0 0 rgba(196,71,47, .5); animation: pulse 2.6s infinite;
  transition: transform .3s var(--ease-spring);
}
.yt-play:hover .ring { transform: scale(1.1); }

/* ============================================================
   Weather widget
   ============================================================ */
.wx {
  display: inline-flex; align-items: center; gap: .9rem;
  border: 1px solid var(--line-dark); border-radius: var(--r-md);
  padding: .8rem 1.2rem; font-family: var(--mono); font-size: .8rem; letter-spacing: .06em;
  color: var(--ice-dim); background: rgba(220,237,242,.04);
}
.wx b { color: var(--ice); font-size: 1.25rem; font-weight: 600; }
.wx .wx-ico { font-size: 1.4rem; }

/* ============================================================
   Article pages
   ============================================================ */
.article-hero { position: relative; min-height: 62svh; display: grid; align-items: end; color: var(--ice); isolation: isolate; }
.article-hero .hero-media { inset: 0; }
.article-hero .hero-media img { animation: none; }
.article-hero .hero-veil {
  background: linear-gradient(180deg, rgba(7,18,25,.5) 0%, rgba(7,18,25,.05) 35%, rgba(7,18,25,.6) 78%, rgba(7,18,25,.92) 100%);
}
.article-hero-inner { padding: 8.5rem 0 3rem; }
.article-hero h1 { font-size: var(--step-4); max-width: 22ch; text-wrap: balance; }
.article-hero .lede { font-size: var(--step-1); max-width: 52ch; color: var(--ice); opacity: .9; }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ice-dim); margin-bottom: 1.2rem; }
.breadcrumbs a { color: var(--cyan); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs .sep { opacity: .5; }

.byline { display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center; font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; color: var(--ice-dim); margin-top: 1.4rem; text-transform: uppercase; }
.byline .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--aurora); }

/* article layout */
.article-shell { background: var(--paper); }
.article-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(2.5rem, 6vw, 5rem);
}
@media (max-width: 1000px) { .article-grid { grid-template-columns: 1fr; } }

.prose { max-width: 44rem; font-size: var(--step-0); }
.prose > p:first-of-type { font-size: var(--step-1); color: var(--ink); }
.prose > p:first-of-type::first-letter {
  font-family: var(--serif); font-weight: 700; font-size: 3.4em; line-height: .82;
  float: left; padding: .08em .12em 0 0; color: var(--aurora-deep);
}
.prose h2 { font-size: var(--step-3); margin-top: 2em; scroll-margin-top: 6rem; }
.prose h3 { font-size: var(--step-2); margin-top: 1.6em; scroll-margin-top: 6rem; }
.prose a { color: var(--aurora-deep); text-decoration-color: rgba(23,180,119,.4); text-underline-offset: 3px; transition: text-decoration-color .2s; }
.prose a:hover { text-decoration-color: var(--aurora-deep); }
.prose ul, .prose ol { padding-left: 1.3rem; margin: 0 0 1.2em; }
.prose li { margin-bottom: .45em; }
.prose li::marker { color: var(--aurora-deep); font-weight: 700; }
.prose figure { margin: 2.2em 0; }
.prose figure img { border-radius: var(--r-md); box-shadow: var(--shadow-card); width: 100%; }
.prose figcaption { font-size: .8rem; color: var(--ink-soft); font-family: var(--mono); letter-spacing: .04em; margin-top: .7rem; }
.prose blockquote {
  margin: 2em 0; padding: 1.4rem 1.8rem;
  border-left: 3px solid var(--aurora); background: rgba(63,232,164,.07);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-family: var(--serif); font-style: italic; font-size: var(--step-1);
}
.prose table { width: 100%; border-collapse: collapse; margin: 1.8em 0; font-size: var(--step--1); }
.prose thead th {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; font-size: .7rem;
  text-align: left; color: var(--paper); background: var(--ink); padding: .7rem .9rem;
}
.prose thead th:first-child { border-radius: var(--r-sm) 0 0 0; }
.prose thead th:last-child { border-radius: 0 var(--r-sm) 0 0; }
.prose tbody td { padding: .7rem .9rem; border-bottom: 1px solid var(--line-paper); vertical-align: top; }
.prose tbody tr:nth-child(even) { background: rgba(24,36,48,.035); }
.table-scroll { overflow-x: auto; }

/* callouts */
.note, .tip, .warn {
  display: grid; grid-template-columns: auto 1fr; gap: .9rem; align-items: start;
  margin: 1.8em 0; padding: 1.1rem 1.3rem; border-radius: var(--r-md); font-size: var(--step--1);
}
.note { background: rgba(89, 217, 228, .12); border: 1px solid rgba(89, 217, 228, .4); }
.tip { background: rgba(63, 232, 164, .1); border: 1px solid rgba(63, 232, 164, .38); }
.warn { background: rgba(242, 166, 90, .13); border: 1px solid rgba(242, 166, 90, .45); }
.note .ico, .tip .ico, .warn .ico { font-size: 1.15rem; line-height: 1.4; }
.note p:last-child, .tip p:last-child, .warn p:last-child { margin: 0; }

/* key facts */
.keyfacts {
  margin: 2em 0; padding: 1.6rem 1.7rem;
  background: var(--fjord); color: var(--ice); border-radius: var(--r-lg);
  position: relative; overflow: hidden;
}
.keyfacts::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(90% 120% at 100% 0%, rgba(63,232,164,.16), transparent 55%);
  pointer-events: none;
}
.keyfacts h2, .keyfacts h3 {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--aurora); margin: 0 0 1rem; font-weight: 700;
}
.keyfacts ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.keyfacts li { position: relative; padding-left: 1.25rem; font-size: var(--step--1); color: var(--ice); }
.keyfacts li::before { content: "◆"; position: absolute; left: 0; top: .38em; color: var(--aurora); font-size: .65rem; }
.keyfacts b { color: #fff; }

/* TOC sidebar */
.side-rail { position: relative; }
.toc {
  position: sticky; top: 6rem;
  border-left: 1px solid var(--line-paper); padding-left: 1.3rem;
  font-size: var(--step--1);
}
.toc-label { font-family: var(--mono); font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: .9rem; font-weight: 700; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.toc a { text-decoration: none; color: var(--ink-soft); transition: color .2s; display: block; line-height: 1.4; }
.toc a:hover { color: var(--ink); }
.toc a.is-active { color: var(--aurora-deep); font-weight: 700; }
@media (max-width: 1000px) { .side-rail { display: none; } }

/* ============================================================
   Tour cards (affiliate)
   ============================================================ */
.tours { display: grid; gap: 1.1rem; margin: 2.2em 0; }
.tour {
  display: grid; grid-template-columns: 1fr auto; gap: 1.2rem; align-items: center;
  background: #fffdf8; border: 1px solid var(--line-paper); border-radius: var(--r-md);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow-card);
  transition: transform .35s var(--ease-out), box-shadow .35s, border-color .35s;
  position: relative; overflow: hidden;
}
.tour::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(var(--aurora), var(--cyan));
}
.tour:hover { transform: translateY(-3px); box-shadow: var(--shadow-pop); border-color: rgba(23,180,119,.4); }
.tour-info h4, .tour-info .h4 { font-size: var(--step-1); margin: 0 0 .3rem; font-family: var(--serif); font-weight: 600; }
.tour-info p { margin: 0; color: var(--ink-soft); font-size: var(--step--1); }
.tour-tags { display: flex; gap: .5rem; margin-top: .6rem; flex-wrap: wrap; }
.tour-tag { font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); border: 1px solid var(--line-paper); border-radius: 999px; padding: .18rem .6rem; }
.tour-cta { white-space: nowrap; }
@media (max-width: 620px) { .tour { grid-template-columns: 1fr; } }

.disclosure {
  font-size: .78rem; color: var(--ink-soft); font-family: var(--mono); letter-spacing: .02em;
  border-top: 1px dashed var(--line-paper); padding-top: 1rem; margin-top: 2.5rem;
}
.on-dark .disclosure { color: var(--ice-dim); border-color: var(--line-dark); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { margin: 2.2em 0; display: grid; gap: .8rem; }
.faq details {
  background: #fffdf8; border: 1px solid var(--line-paper); border-radius: var(--r-md);
  padding: 0; overflow: hidden; transition: border-color .3s;
}
.faq details[open] { border-color: rgba(23,180,119,.45); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; align-items: center;
  padding: 1.05rem 1.3rem; font-weight: 700; font-size: var(--step-0);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .fx {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center; border: 1.5px solid var(--aurora-deep); color: var(--aurora-deep);
  transition: transform .35s var(--ease-out), background .3s, color .3s; font-size: 1rem; line-height: 1;
}
.faq details[open] summary .fx { transform: rotate(45deg); background: var(--aurora-deep); color: var(--paper); }
.faq .faq-a { padding: 0 1.3rem 1.2rem; color: var(--ink-soft); font-size: var(--step--1); }
.faq .faq-a p:last-child { margin: 0; }

/* ============================================================
   Related / next-read
   ============================================================ */
.related { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.related h2 { font-size: var(--step-3); }

/* ============================================================
   Hub pages
   ============================================================ */
.hub-hero { min-height: 52svh; }
.hub-intro { max-width: 46rem; }

/* ============================================================
   Newsletter / contact
   ============================================================ */
.cta-panel {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(120deg, var(--fjord) 0%, var(--fjord-3) 100%);
  color: var(--ice); padding: clamp(2.2rem, 6vw, 4rem);
  border: 1px solid var(--line-dark);
}
.cta-panel::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(70% 90% at 90% 10%, rgba(63,232,164,.18), transparent 60%);
}
.cta-panel h2 { font-size: var(--step-3); max-width: 20ch; }
.cta-panel p { color: var(--ice-dim); max-width: 46ch; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--night); color: var(--ice-dim);
  border-top: 1px solid var(--line-dark);
  padding: clamp(3rem, 7vw, 5rem) 0 2rem; position: relative; overflow: hidden;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2.5rem; margin-bottom: 3rem; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { font-family: var(--mono); font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ice); margin-bottom: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.site-footer a { color: var(--ice-dim); text-decoration: none; font-size: var(--step--1); transition: color .2s; }
.site-footer a:hover { color: var(--aurora); }
.footer-brand p { font-size: var(--step--1); max-width: 34ch; }
.footer-bottom {
  border-top: 1px solid var(--line-dark); padding-top: 1.6rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  font-size: .75rem; font-family: var(--mono); letter-spacing: .04em;
}
.footer-aurora { position: absolute; inset: auto 0 0; height: 240px; pointer-events: none; opacity: .35; }

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); transition-delay: var(--d, 0s); }
.rv.is-in { opacity: 1; transform: none; }
.rv-scale { opacity: 0; transform: scale(.94); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); }
.rv-scale.is-in { opacity: 1; transform: none; }
.rv-mask { clip-path: inset(0 0 100% 0); transition: clip-path 1.1s var(--ease-out); }
.rv-mask.is-in { clip-path: inset(0 0 0 0); }

/* ============================================================
   404
   ============================================================ */
.err-hero { min-height: 100svh; display: grid; place-items: center; text-align: center; color: var(--ice); position: relative; isolation: isolate; }
.err-hero h1 { font-size: clamp(5rem, 18vw, 12rem); margin: 0; line-height: 1; }
.err-hero h1 span { color: var(--aurora); }

/* ============================================================
   Motion preferences
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .rv, .rv-scale, .rv-mask, .split-lines .line-in { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .marquee-track { animation: none; }
  .hero-media img { animation: none; }
}

/* print */
@media print {
  .site-header, .site-footer, .hero-scroll, .grain, .side-rail, .btn, .btn-yt { display: none !important; }
  body { background: #fff; color: #000; }
}