/* =============================================================================
   SEVEN OCEAN BUNKERING — Editorial-Futurist Maritime Design System
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand palette — extracted from Seven Ocean identity */
  --brand-blue:    #2E65A7;
  --brand-violet:  #4C5A9C;
  --brand-purple:  #75479C;  /* primary brand — matches logo text */
  --brand-magenta: #8D447E;
  --brand-rose:    #AD3B6C;

  /* Ink tones */
  --ink:      #0A0D1A;  /* near-black, cool */
  --ink-2:    #11162B;
  --ink-3:    #1C2240;
  --ink-line: #2A3055;

  /* Paper tones (light sections) */
  --paper:    #F4F1EA;
  --paper-2:  #EAE6DC;
  --paper-3:  #D9D3C4;
  --text-dark:#0F1324;
  --text-mid: #3A3E56;

  /* Signature gradient — same curve as the email signature */
  --grad-brand: linear-gradient(135deg,
    var(--brand-blue) 0%,
    var(--brand-violet) 30%,
    var(--brand-purple) 55%,
    var(--brand-magenta) 78%,
    var(--brand-rose) 100%);

  --grad-horizon: linear-gradient(180deg,
    var(--ink) 0%,
    #17183A 25%,
    #32265C 55%,
    #6A3A7C 78%,
    #A8446A 100%);

  --grad-text: linear-gradient(95deg,
    #ECE6D7 0%,
    #E5D9EB 40%,
    #D4B0CF 70%,
    #BE87A8 100%);

  /* Typography */
  --f-display: 'Bricolage Grotesque', 'Neue Haas Grotesk', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --f-body:    'Geist', 'Söhne', 'Helvetica Neue', ui-sans-serif, system-ui, sans-serif;
  --f-serif:   'Fraunces', 'GT Super', 'Playfair Display', ui-serif, Georgia, serif;
  --f-mono:    'JetBrains Mono', 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;

  /* Rhythm */
  --measure: 68ch;
  --container: 1320px;
  --container-wide: 1480px;

  /* Motion */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-subtle: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-body);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- Typography scale ---------- */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-rose);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--brand-rose), transparent);
}

.display-xl {
  font-family: var(--f-display);
  font-size: clamp(54px, 9.5vw, 160px);
  line-height: 0.88;
  letter-spacing: -0.035em;
  font-weight: 500;
}
.display-l {
  font-family: var(--f-display);
  font-size: clamp(42px, 6.5vw, 104px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  font-weight: 500;
}
.display-m {
  font-family: var(--f-display);
  font-size: clamp(32px, 4.2vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-weight: 500;
}
.display-s {
  font-family: var(--f-display);
  font-size: clamp(24px, 2.6vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-weight: 500;
}

.serif-display {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 300;
}

.lead {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.5;
  color: color-mix(in oklab, var(--paper) 82%, transparent);
  max-width: 58ch;
}
.caption {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
}

/* Gradient text */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--container); margin-inline: auto; padding-inline: 28px; }
.wrap-wide { max-width: var(--container-wide); margin-inline: auto; padding-inline: 28px; }
@media (min-width: 900px) {
  .wrap, .wrap-wide { padding-inline: 48px; }
}

section { position: relative; }
.section-pad { padding: clamp(72px, 10vw, 160px) 0; }

/* Page label — "01 ▸ SECTION NAME" style */
.section-label {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: clamp(28px, 3vw, 48px);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 60%, transparent);
}
.section-label .num {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: color-mix(in oklab, var(--ink) 55%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}
@media (min-width: 900px) {
  .nav { padding: 20px 48px; }
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.nav-brand img {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}
.nav-brand > svg {
  width: 34px !important;
  height: 34px !important;
  flex-shrink: 0;
  display: block;
}
.nav-brand-text { line-height: 1; display: flex; flex-direction: column; gap: 3px; }
.nav-brand-text .co { font-size: 16px; letter-spacing: 0.02em; }
.nav-brand-text .tag {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
}

.nav-links {
  display: none;
  gap: 32px;
  align-items: center;
}
@media (min-width: 900px) {
  .nav-links { display: flex; }
}
.nav-links a {
  position: relative;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: color-mix(in oklab, var(--paper) 78%, transparent);
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--paper); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--grad-brand);
  transition: width 0.3s var(--ease-out);
}
.nav-links a:hover::after { width: 100%; }

.nav-links a.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), background 0.3s;
}
.nav-links a.nav-cta:hover {
  transform: translateY(-1px);
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 10px 28px -10px rgba(175, 80, 140, 0.5);
}
.nav-links a.nav-cta::after {
  content: "→";
  position: static;
  width: auto;
  height: auto;
  background: none;
  font-size: 14px;
  color: var(--ink);
}

/* External sister-brand link (Trivoya) — styled distinctly from regular
   nav links: has a gradient accent border and a small external-link arrow,
   making it clear this leads off-site without being visually dominant. */
.nav-links a.nav-external {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--paper) 20%, transparent);
  background: color-mix(in oklab, var(--brand-purple) 8%, transparent);
  color: color-mix(in oklab, var(--paper) 85%, transparent);
  font-size: 13px;
  transition: all 0.3s var(--ease-out);
}
.nav-links a.nav-external:hover {
  border-color: color-mix(in oklab, var(--brand-rose) 55%, transparent);
  background: linear-gradient(135deg,
    color-mix(in oklab, var(--brand-purple) 22%, transparent),
    color-mix(in oklab, var(--brand-rose) 18%, transparent));
  color: var(--paper);
  transform: translateY(-1px);
}
.nav-links a.nav-external::after { display: none; }  /* Disable underline */
.nav-links a.nav-external .ext-arrow {
  font-size: 12px;
  opacity: 0.7;
  transition: opacity 0.3s, transform 0.3s;
}
.nav-links a.nav-external:hover .ext-arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}

.nav-burger {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
}
@media (min-width: 900px) { .nav-burger { display: none; } }
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--paper);
}

/* Mobile menu panel */
.nav-panel {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--ink);
  padding: 100px 28px 40px;
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease-in-out), visibility 0s linear 0.5s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  /* CRITICAL: when the panel is closed, take it out of the accessibility
     tree and the paint tree. transform:translateY(-100%) alone can leak
     through on iOS Safari after orientation changes (stale percentage
     computation). visibility:hidden guarantees the element is not painted.
     The transition delay on visibility ensures the slide-up animation
     completes before visibility flips back to hidden. */
  visibility: hidden;
  pointer-events: none;
}
.nav-panel.open {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
  transition: transform 0.5s var(--ease-in-out), visibility 0s linear 0s;
}
.nav-panel a {
  font-family: var(--f-display);
  font-size: 32px;
  letter-spacing: -0.02em;
  padding: 14px 0;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), background 0.3s;
  position: relative;
  isolation: isolate;
  white-space: nowrap;
}
.btn--primary {
  color: var(--paper);
  background: var(--grad-brand);
  box-shadow: 0 14px 40px -14px rgba(173, 59, 108, 0.6);
}
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: var(--grad-brand);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s;
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 20px 48px -14px rgba(173, 59, 108, 0.8); }

.btn--ghost {
  color: var(--paper);
  border: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
}
.btn--ghost:hover {
  border-color: var(--paper);
  transform: translateY(-2px);
}
.btn--ghost .arrow {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: transform 0.3s;
}
.btn--ghost:hover .arrow { transform: translateX(3px); }

/* ---------- Cards (port / fuel / guide) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  padding: 28px 26px;
  border: 1px solid color-mix(in oklab, var(--paper) 12%, transparent);
  border-radius: 18px;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--ink-2) 90%, transparent),
    color-mix(in oklab, var(--ink) 88%, transparent));
  transition: transform 0.4s var(--ease-out), border-color 0.4s, background 0.4s;
  overflow: hidden;
  isolation: isolate;
}
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
  z-index: -1;
}
.card:hover { transform: translateY(-4px); border-color: transparent; }
.card:hover::before { opacity: 1; }

.card-num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: color-mix(in oklab, var(--paper) 50%, transparent);
  margin-bottom: 32px;
}
.card-title {
  font-family: var(--f-display);
  font-size: 26px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.card-sub {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
  margin-bottom: 20px;
}
.card-desc {
  font-size: 14px;
  line-height: 1.55;
  color: color-mix(in oklab, var(--paper) 75%, transparent);
  margin-bottom: 24px;
}
.card-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-rose);
}
.card-more::after {
  content: "→";
  transition: transform 0.3s;
}
.card:hover .card-more::after { transform: translateX(4px); }

/* ---------- Meta rows ---------- */
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 26px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 60%, transparent);
}
.meta-row span strong {
  color: var(--paper);
  font-weight: 500;
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid color-mix(in oklab, var(--paper) 8%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 8%, transparent);
  padding: 24px 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 64px;
  animation: marquee 48s linear infinite;
  font-family: var(--f-display);
  font-size: clamp(28px, 3.5vw, 48px);
  letter-spacing: -0.015em;
  font-weight: 500;
}
.marquee-track span { opacity: 0.55; }
.marquee-track .sep {
  color: var(--brand-rose);
  opacity: 1;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--ink);
  border-top: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  padding: 80px 0 40px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -10%;
  right: -10%;
  height: 100%;
  background: radial-gradient(ellipse at 50% 0%,
    color-mix(in oklab, var(--brand-purple) 25%, transparent) 0%,
    transparent 60%);
  pointer-events: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
  position: relative;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
.footer-brand .nav-brand-text .co { font-size: 20px; }
.footer-brand .nav-brand img,
.footer-brand .nav-brand > svg { width: 42px !important; height: 42px !important; }
.footer-brand p {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: color-mix(in oklab, var(--paper) 65%, transparent);
  max-width: 320px;
}
.footer-col h5 {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: color-mix(in oklab, var(--paper) 78%, transparent);
  transition: color 0.25s;
}
.footer-col a:hover { color: var(--paper); }

.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 50%, transparent);
}

/* ---------- Noise overlay (texture) ---------- */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- Page hero (non-homepage) ---------- */
.page-hero {
  padding: 180px 0 80px;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -20%;
  top: 10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle,
    color-mix(in oklab, var(--brand-purple) 35%, transparent) 0%,
    transparent 65%);
  filter: blur(60px);
  pointer-events: none;
}
.page-hero h1 {
  margin-top: 20px;
  max-width: 14ch;
}
.page-hero .lead {
  margin-top: 24px;
}

/* ---------- Article / long-form ---------- */
.prose {
  max-width: 72ch;
  font-size: 17px;
  line-height: 1.7;
  color: color-mix(in oklab, var(--paper) 85%, transparent);
}
.prose h2 {
  font-family: var(--f-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 56px 0 20px;
  color: var(--paper);
}
.prose h3 {
  font-family: var(--f-display);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 40px 0 14px;
  color: var(--paper);
}
.prose p { margin-bottom: 20px; }
.prose ul { margin-bottom: 20px; padding-left: 0; }
.prose ul li {
  padding-left: 26px;
  position: relative;
  margin-bottom: 10px;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 14px; height: 1px;
  background: var(--grad-brand);
}
.prose strong { color: var(--paper); font-weight: 500; }
.prose a {
  color: var(--paper);
  border-bottom: 1px solid var(--brand-rose);
  transition: color 0.25s, border-color 0.25s;
}
.prose a:hover { color: var(--brand-rose); }
.prose blockquote {
  margin: 40px 0;
  padding: 0 0 0 28px;
  border-left: 2px solid var(--brand-rose);
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  font-weight: 300;
  color: var(--paper);
}

/* ---------- Accessibility ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
:focus-visible {
  outline: 2px solid var(--brand-rose);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   SUBPAGE COMPONENTS — for fuel, port, guide, and India sub-pages.
   Shared with prose & homepage design system.
   ═══════════════════════════════════════════════════════════════════════════ */

/* Breadcrumbs */
.breadcrumbs {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.breadcrumbs a {
  color: color-mix(in oklab, var(--paper) 70%, transparent);
  text-decoration: none;
  transition: color 0.25s;
}
.breadcrumbs a:hover { color: var(--paper); }
.breadcrumbs .sep { opacity: 0.4; }
.breadcrumbs .current { color: var(--paper); }

/* Facts grid — key-value stat tiles */
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: color-mix(in oklab, var(--paper) 10%, transparent);
  border: 1px solid color-mix(in oklab, var(--paper) 12%, transparent);
  border-radius: 16px;
  overflow: hidden;
  margin: 40px 0;
}
.fact {
  padding: 24px 28px;
  background: color-mix(in oklab, var(--ink) 92%, transparent);
}
.fact-label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
  margin-bottom: 10px;
}
.fact-val {
  font-size: 17px;
  font-weight: 500;
  color: var(--paper);
  line-height: 1.35;
}

/* Tags — small coloured pills linking to fuel/grade pages */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
}
.tags .tag,
.tags a.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: color-mix(in oklab, var(--brand-purple) 22%, transparent);
  border: 1px solid color-mix(in oklab, var(--brand-purple) 38%, transparent);
  text-decoration: none;
  transition: all 0.25s;
}
.tags a.tag:hover {
  background: color-mix(in oklab, var(--brand-rose) 30%, transparent);
  border-color: color-mix(in oklab, var(--brand-rose) 60%, transparent);
}

/* Related-grid — link cards to other pages */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 32px 0;
}
.related-card {
  display: block;
  padding: 24px 28px;
  border-radius: 16px;
  background: color-mix(in oklab, var(--paper) 3%, transparent);
  border: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  text-decoration: none;
  color: var(--paper);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.related-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    color-mix(in oklab, var(--brand-purple) 18%, transparent),
    color-mix(in oklab, var(--brand-rose) 12%, transparent));
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
}
.related-card:hover {
  border-color: color-mix(in oklab, var(--brand-rose) 40%, transparent);
  transform: translateY(-2px);
}
.related-card:hover::before { opacity: 1; }
.related-card > * { position: relative; z-index: 1; }
.related-card-label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
  margin-bottom: 8px;
}
.related-card-title {
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--paper);
}
.related-card-sub {
  font-size: 13px;
  color: color-mix(in oklab, var(--paper) 65%, transparent);
  margin-top: 6px;
  line-height: 1.45;
}
.related-all {
  margin-top: 16px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.related-all a {
  color: color-mix(in oklab, var(--paper) 70%, transparent);
  text-decoration: none;
  transition: color 0.25s;
}
.related-all a:hover { color: var(--brand-rose); }

/* Info card — inline highlighted note block */
.info-card {
  margin: 40px 0;
  padding: 28px 32px;
  border-radius: 18px;
  background: linear-gradient(135deg,
    color-mix(in oklab, var(--brand-blue) 16%, transparent),
    color-mix(in oklab, var(--brand-purple) 12%, transparent));
  border: 1px solid color-mix(in oklab, var(--paper) 14%, transparent);
}
.info-card h3,
.info-card .card-title {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 72%, transparent);
  margin-bottom: 12px;
}
.info-card p {
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
  margin: 0;
}

/* FAQ accordion */
.faq-list {
  margin: 32px 0;
  border-top: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
}
.faq-list details {
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  padding: 20px 0;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--paper);
  padding-right: 36px;
  position: relative;
  transition: color 0.25s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-mono);
  font-size: 18px;
  font-weight: 300;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
  transition: transform 0.25s;
}
.faq-list details[open] summary::after {
  content: '−';
  color: var(--paper);
}
.faq-list summary:hover { color: var(--brand-rose); }
.faq-list details p {
  margin-top: 14px;
  color: color-mix(in oklab, var(--paper) 78%, transparent);
  line-height: 1.6;
  font-size: 15px;
}

/* Content CTAs inside prose */
.prose-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin: 36px 0;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
}
.btn-ghost:hover {
  border-color: color-mix(in oklab, var(--brand-rose) 60%, transparent);
  background: color-mix(in oklab, var(--brand-purple) 10%, transparent);
}

/* ═══════════════════════════════════════════════════════════════════════════
   Floating WhatsApp button — sitewide persistent contact CTA.
   Bottom-right corner, pulsates gently to draw the eye.
   ═══════════════════════════════════════════════════════════════════════════ */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1ea65a, #25D366);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 8px 24px color-mix(in oklab, #25D366 30%, transparent),
    0 2px 6px rgba(0,0,0,.25);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  animation: wa-pulse 2.5s ease-in-out infinite;
}

.wa-float:hover {
  transform: scale(1.08);
  box-shadow:
    0 12px 32px color-mix(in oklab, #25D366 45%, transparent),
    0 4px 10px rgba(0,0,0,.3);
  animation: none;
}

.wa-float svg {
  width: 28px;
  height: 28px;
  fill: #ffffff;
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 8px 24px color-mix(in oklab, #25D366 30%, transparent), 0 2px 6px rgba(0,0,0,.25), 0 0 0 0 color-mix(in oklab, #25D366 50%, transparent); }
  50% { box-shadow: 0 8px 24px color-mix(in oklab, #25D366 30%, transparent), 0 2px 6px rgba(0,0,0,.25), 0 0 0 12px color-mix(in oklab, #25D366 0%, transparent); }
}

@media (max-width: 600px) {
  .wa-float { bottom: 20px; right: 20px; width: 54px; height: 54px; }
  .wa-float svg { width: 26px; height: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .wa-float { animation: none; }
}