/* ═══════════════════════════════════════════════════════════
   OMNARIUM · A Record of Worlds
   Midnight blue cosmic atlas · Playfair Display · DM Sans
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,700;0,900;1,400;1,500&family=DM+Sans:wght@300;400;500&family=DM+Serif+Display:ital@0;1&display=swap');

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  /* Core — deep midnight blue, not black */
  --night:       #080c14;
  --night2:      #0e1420;
  --night3:      #141c2c;
  --night4:      #1a2438;

  /* Gold — single accent color */
  --gold:        #c49a2a;
  --gold-light:  #e8c05a;
  --gold-pale:   #f5d878;
  --gold-dim:    #6a5012;
  --gold-glow:   rgba(196,154,42,0.14);

  /* Text */
  --text-bright: #f0e8d4;
  --text-mid:    #c4b490;
  --text-dim:    #7a6848;
  --text-faint:  #3a2e1a;

  /* Card surface — warm parchment */
  --card-bg:     #f7f1e3;
  --card-bg2:    #efe8d6;
  --card-ink:    #1a1208;
  --card-ink2:   #352818;
  --card-ink3:   #5a4530;
  --card-faint:  #8a7258;

  /* Volume colors */
  --v-iphexar:   #d4862a;
  --v-zeos:      #2a7890;
  --v-aedalan:   #3d5ab8;

  /* Sidebar */
  --sb-w:        258px;

  /* Fonts */
  --f-display:   'Playfair Display', 'Georgia', serif;
  --f-serif:     'DM Serif Display', 'Georgia', serif;
  --f-ui:        'DM Sans', system-ui, sans-serif;

  /* Rules */
  --rule:        rgba(196,154,42,0.18);
  --rule-sub:    rgba(196,154,42,0.08);
}

/* ── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--night);
  color: var(--text-mid);
  font-family: var(--f-ui);
  font-size: 16px;
  line-height: 1.82;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--night2); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 2px; }

/* ── LAYOUT ─────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }
.main   { margin-left: var(--sb-w); flex: 1; min-width: 0; }

/* ══════════════════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════════════════ */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sb-w);
  background: var(--night);
  border-right: 1px solid var(--rule);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  z-index: 200;
}

.sb-brand {
  padding: 1.8rem 1.5rem 1.5rem;
  border-bottom: 1px solid var(--rule);
  text-decoration: none; display: block;
}

.sb-eyebrow {
  font-family: var(--f-ui); font-size: .52rem; font-weight: 500;
  letter-spacing: .32em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: .5rem;
}

.sb-name {
  font-family: var(--f-display); font-size: 1.5rem; font-weight: 700;
  color: var(--gold-pale); letter-spacing: .06em; line-height: 1;
  text-shadow: 0 0 28px rgba(245,216,120,.18);
}

.sb-tagline {
  font-family: var(--f-ui); font-size: .62rem; font-weight: 300;
  color: var(--text-dim); margin-top: .3rem; letter-spacing: .06em;
}

.sb-nav { flex: 1; padding: 1rem 0 2rem; }

.sb-section {
  font-family: var(--f-ui); font-size: .48rem; font-weight: 500;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--text-faint); padding: 1.1rem 1.5rem .4rem;
}

.sb-link {
  display: flex; align-items: center; gap: .65rem;
  padding: .48rem 1.5rem; text-decoration: none;
  color: var(--text-mid); font-family: var(--f-ui);
  font-size: .73rem; font-weight: 400;
  border-left: 2px solid transparent;
  transition: all .17s ease;
}

.sb-link:hover  { color: var(--gold-light); background: var(--gold-glow); border-left-color: rgba(196,154,42,.4); }
.sb-link.active { color: var(--gold-pale);  background: rgba(196,154,42,.1); border-left-color: var(--gold); }

.sb-icon    { font-size: .95rem; opacity: .6; width: 1.1rem; text-align: center; flex-shrink: 0; }
.sb-chevron { margin-left: auto; font-size: .58rem; opacity: .3; transition: transform .2s; }
.sb-group.open .sb-chevron { transform: rotate(90deg); opacity: .55; }

.sb-children { display: none; padding: .1rem 0 .3rem 2.9rem; }
.sb-group.open .sb-children { display: block; }

.sb-child {
  display: block; padding: .26rem 1rem .26rem .7rem;
  text-decoration: none; color: var(--text-dim);
  font-family: var(--f-ui); font-size: .68rem; font-weight: 300;
  border-left: 1px solid rgba(196,154,42,.1);
  transition: all .14s;
}
.sb-child:hover  { color: var(--gold-light); border-left-color: rgba(196,154,42,.38); }
.sb-child.active { color: var(--gold-pale);  border-left-color: var(--gold); }

.sb-footer {
  padding: 1rem 1.5rem; border-top: 1px solid var(--rule);
  font-family: var(--f-ui); font-size: .64rem; font-weight: 300;
  color: var(--text-faint); line-height: 1.7;
}

/* ══════════════════════════════════════════════════════════
   HOMEPAGE HERO
   Full-bleed star-map. Omnarium title. Gold glow.
   ══════════════════════════════════════════════════════════ */
.hero {
  min-height: 68vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 6rem 3rem 5rem;
  position: relative; overflow: hidden;
  background: var(--night);
}

/* Layered radial glow behind the title */
.hero::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%,   rgba(196,154,42,.1)  0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 50% 50%,  rgba(196,154,42,.05) 0%, transparent 70%),
    radial-gradient(ellipse 100% 60% at 50% 100%, rgba(13,20,36,.9)   0%, transparent 100%);
}

/* Star field — CSS only */
.hero-stars {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}

.s {
  position: absolute; border-radius: 50%;
  background: #fff;
  animation: tw var(--d) ease-in-out infinite alternate;
  animation-delay: var(--dl, 0s);
}

@keyframes tw {
  from { opacity: var(--a, .12); transform: scale(1); }
  to   { opacity: calc(var(--a, .12) * 3.5); transform: scale(1.4); }
}

/* Subtle grid — like an atlas overlay */
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(196,154,42,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196,154,42,.032) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

/* Horizontal separator lines — thin gold hairlines */
.hero-line {
  position: absolute; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,154,42,.25), transparent);
}

.hero-line--top    { top: 18%; }
.hero-line--bottom { bottom: 18%; }

.hero-eyebrow {
  font-family: var(--f-ui); font-size: .6rem; font-weight: 400;
  letter-spacing: .45em; text-transform: uppercase;
  color: var(--gold-dim); margin-bottom: 1.4rem;
  position: relative;
  display: flex; align-items: center; justify-content: center; gap: 1rem;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  display: block; width: 48px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim));
}
.hero-eyebrow::after { transform: scaleX(-1); }

/* THE BIG TITLE */
.hero-title {
  font-family: var(--f-display);
  font-size: clamp(4.5rem, 10vw, 8rem);
  font-weight: 900;
  color: var(--gold-pale);
  letter-spacing: .1em;
  line-height: .95;
  position: relative;
  margin-bottom: 1rem;
  text-shadow:
    0 0 80px  rgba(245,216,120,.3),
    0 0 160px rgba(196,154,42,.15),
    0 2px 4px rgba(0,0,0,.8);
  animation: titleIn .9s cubic-bezier(.16,1,.3,1) both;
}

@keyframes titleIn {
  from { opacity: 0; transform: translateY(30px) scale(.96); letter-spacing: .18em; }
  to   { opacity: 1; transform: none; }
}

/* Diamond ornament row */
.hero-orn {
  display: flex; align-items: center; gap: .8rem;
  justify-content: center; margin-bottom: 1rem;
  animation: fadeUp .7s .18s ease-out both;
}
.hero-orn-line {
  width: 60px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,154,42,.5));
}
.hero-orn-line:last-child { transform: scaleX(-1); }
.hero-orn-diamond {
  width: 6px; height: 6px;
  background: var(--gold); transform: rotate(45deg);
  box-shadow: 0 0 8px rgba(196,154,42,.6);
}

.hero-subtitle {
  font-family: var(--f-ui); font-size: .72rem; font-weight: 400;
  letter-spacing: .3em; text-transform: uppercase;
  color: rgba(196,154,42,.5); margin-bottom: 2rem;
  animation: fadeUp .7s .1s ease-out both;
}

.hero-lede {
  font-family: var(--f-display); font-style: italic;
  font-size: 1.2rem; font-weight: 400;
  color: rgba(196,154,42,.6);
  max-width: 480px; line-height: 1.9;
  animation: fadeUp .7s .28s ease-out both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* ══════════════════════════════════════════════════════════
   WORLD SELECTION — the three volume cards
   ══════════════════════════════════════════════════════════ */
.vol-band {
  background: var(--night);
  padding: 3rem 3.5rem 6rem;
}

.vol-header {
  display: flex; align-items: center; gap: 1.2rem;
  margin-bottom: 3rem;
}
.vol-header-line { flex: 1; height: 1px; background: var(--rule); }
.vol-header-text {
  font-family: var(--f-ui); font-size: .56rem; font-weight: 500;
  letter-spacing: .35em; text-transform: uppercase; color: var(--text-dim);
  white-space: nowrap;
}

.vol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
  max-width: 1160px;
}

/* ── WORLD CARD ─────────────────────────────────────────── */
.wcard {
  display: flex; flex-direction: column;
  text-decoration: none;
  background: var(--card-bg);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  transition: transform .32s cubic-bezier(.16,1,.3,1),
              box-shadow .32s ease;
  box-shadow:
    0 4px 20px rgba(0,0,0,.5),
    0 0 0 1px rgba(196,154,42,.15);
  animation: cardIn .7s ease-out both;
}

.wcard:nth-child(1) { animation-delay: .08s; }
.wcard:nth-child(2) { animation-delay: .18s; }
.wcard:nth-child(3) { animation-delay: .28s; }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: none; }
}

.wcard:not(.locked):hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow:
    0 24px 64px rgba(0,0,0,.65),
    0 0 0 1.5px var(--vacc, var(--gold));
}

/* Top accent bar — volume color */
.wcard::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--vacc, var(--gold)); z-index: 3;
}

/* Image */
.wcard-img {
  position: relative; overflow: hidden;
  height: 260px; flex-shrink: 0;
}

.wcard-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 35%;
  display: block;
  transition: transform .5s cubic-bezier(.16,1,.3,1), filter .3s ease;
}

.wcard:not(.locked):hover .wcard-img img {
  transform: scale(1.07);
}

/* Gradient bleeds the image into the card body */
.wcard-img::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 100px;
  background: linear-gradient(to top, var(--card-bg) 0%, transparent 100%);
  z-index: 2;
}

/* Locked = grayscale + dim */
.locked .wcard-img img {
  filter: saturate(.25) brightness(.65);
}

/* Genre tags — on the image */
.wcard-tags {
  position: absolute; top: .9rem; left: .9rem; z-index: 4;
  display: flex; flex-wrap: wrap; gap: .3rem;
}

.wcard-tag {
  font-family: var(--f-ui); font-size: .46rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: #fff;
  background: rgba(8,12,20,.72);
  border: 1px solid rgba(255,255,255,.14);
  padding: .2rem .55rem; border-radius: 2px;
  backdrop-filter: blur(6px);
}

/* Locked tags style */
.locked .wcard-tag {
  color: rgba(255,255,255,.4);
  background: rgba(8,12,20,.5);
  border-color: rgba(255,255,255,.06);
}

/* Card body */
.wcard-body {
  padding: .6rem 1.5rem 1.6rem;
  display: flex; flex-direction: column; flex: 1;
}

.wcard-name {
  font-family: var(--f-display); font-size: 1.9rem; font-weight: 700;
  color: var(--card-ink); letter-spacing: .02em; line-height: 1.05;
  margin-bottom: .2rem;
  transition: color .2s;
}

.wcard:not(.locked):hover .wcard-name { color: var(--vacc, var(--gold)); }

.wcard-tagline {
  font-family: var(--f-ui); font-size: .54rem; font-weight: 400;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--card-faint); margin-bottom: .9rem;
}

.wcard-desc {
  font-family: var(--f-ui); font-size: .9rem; font-weight: 300;
  color: var(--card-ink2); line-height: 1.82; flex: 1;
}

.wcard-footer {
  margin-top: 1.2rem; padding-top: 1rem;
  border-top: 1px solid rgba(0,0,0,.08);
  display: flex; align-items: center; justify-content: space-between;
}

.wcard-enter {
  font-family: var(--f-ui); font-size: .58rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--vacc, var(--gold));
  display: flex; align-items: center; gap: .5rem;
  opacity: 0; transform: translateX(-6px);
  transition: opacity .22s, transform .22s;
}

.wcard:not(.locked):hover .wcard-enter { opacity: 1; transform: none; }

.wcard-enter-arr { display: inline-block; transition: transform .2s; }
.wcard:not(.locked):hover .wcard-enter-arr { transform: translateX(5px); }

.wcard-coming {
  font-family: var(--f-ui); font-size: .55rem; font-weight: 400;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--card-faint); opacity: .5;
}

/* ══════════════════════════════════════════════════════════
   INNER PAGES
   ══════════════════════════════════════════════════════════ */
.page-header {
  background: var(--night3);
  padding: 4rem 3.5rem 3.2rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute; bottom: -1px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: .35;
}

.ph-eyebrow {
  font-family: var(--f-ui); font-size: .55rem; font-weight: 500;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: .65rem; opacity: .75;
}

.ph-title {
  font-family: var(--f-display); font-size: 3rem; font-weight: 700;
  color: var(--gold-pale); letter-spacing: .04em; line-height: 1.1;
  margin-bottom: 1rem;
}

.ph-rule { width: 48px; height: 1px; background: var(--gold); margin-bottom: 1rem; opacity: .4; }

.ph-lede {
  font-family: var(--f-ui); font-size: 1rem; font-weight: 300;
  color: var(--text-mid); max-width: 600px; line-height: 1.88;
}

/* Content area */
.content      { padding: 3rem 3.5rem; max-width: 860px; }
.content-wide { padding: 3rem 3.5rem; }

.prose {
  font-family: var(--f-ui); font-size: .98rem; font-weight: 300;
  color: var(--text-mid); line-height: 1.9; margin-bottom: 1.2rem;
}
.prose strong { color: var(--gold-light); font-weight: 500; }

.drop-cap::first-letter {
  font-family: var(--f-display); font-size: 3.6rem; font-weight: 700;
  float: left; line-height: .82; margin: .05rem .14rem -.1rem 0;
  color: var(--gold);
}

.section-label {
  font-family: var(--f-ui); font-size: .52rem; font-weight: 500;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--gold); padding-bottom: .6rem;
  border-bottom: 1px solid var(--rule); margin-bottom: 1.6rem; opacity: .7;
}

.callout {
  background: var(--night3); border: 1px solid var(--rule);
  border-left: 2px solid var(--gold);
  padding: 1.2rem 1.5rem; margin: 1.6rem 0;
}
.callout-title {
  font-family: var(--f-ui); font-size: .55rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase; color: var(--gold-light); margin-bottom: .5rem;
}
.callout p { font-family: var(--f-ui); font-size: .94rem; font-weight: 300; color: var(--text-mid); line-height: 1.82; }

.stat-block { background: var(--night3); border: 1px solid var(--rule); overflow: hidden; margin: 1.5rem 0; }
.stat-block-header {
  background: rgba(196,154,42,.07); padding: .65rem 1.2rem; border-bottom: 1px solid var(--rule);
  font-family: var(--f-ui); font-size: .54rem; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--gold);
}
.stat-row { display: flex; padding: .5rem 1.2rem; border-bottom: 1px solid var(--rule-sub); gap: 1rem; }
.stat-row:last-child { border-bottom: none; }
.stat-key { font-family: var(--f-ui); font-size: .55rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); min-width: 130px; flex-shrink: 0; padding-top: .15rem; }
.stat-val { font-family: var(--f-ui); font-size: .9rem; font-weight: 300; color: var(--text-mid); }

.breadcrumb {
  font-family: var(--f-ui); font-size: .54rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 1.5rem; display: flex; gap: .55rem; align-items: center;
}
.breadcrumb a { color: var(--gold); text-decoration: none; transition: color .15s; }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb-sep { opacity: .3; }

.ornament-rule { display: flex; align-items: center; gap: .9rem; margin: 2.2rem 0; opacity: .28; }
.ornament-rule::before, .ornament-rule::after { content: ''; flex: 1; height: 1px; background: var(--gold); }
.ornament-rule span { font-family: var(--f-ui); font-size: .65rem; color: var(--gold); }

/* Entity grid */
.entity-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.1rem; margin-top: 1.5rem; }
.entity-card {
  background: var(--night3); border: 1px solid var(--rule);
  padding: 1.3rem; text-decoration: none; display: block;
  transition: all .2s; position: relative; overflow: hidden;
}
.entity-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--vacc, var(--gold)); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.entity-card:hover { background: rgba(196,154,42,.05); border-color: rgba(196,154,42,.38); transform: translateY(-1px); }
.entity-card:hover::before { transform: scaleX(1); }
.ec-icon  { font-size: 1.3rem; margin-bottom: .55rem; display: block; opacity: .75; }
.ec-name  { font-family: var(--f-display); font-size: 1.05rem; font-weight: 500; color: var(--gold-light); letter-spacing: .02em; margin-bottom: .15rem; }
.ec-type  { font-family: var(--f-ui); font-size: .5rem; font-weight: 400; letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim); margin-bottom: .65rem; }
.ec-desc  { font-family: var(--f-ui); font-size: .88rem; font-weight: 300; color: var(--text-mid); line-height: 1.75; }
.ec-arrow { display: inline-block; margin-top: .65rem; font-family: var(--f-ui); font-size: .54rem; letter-spacing: .15em; text-transform: uppercase; color: var(--gold); opacity: 0; transition: opacity .2s; }
.entity-card:hover .ec-arrow { opacity: 1; }

/* Cosmion grid */
.cosmion-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; margin-top: 1.3rem; }
.cosmion-card { background: var(--night3); border: 1px solid var(--rule); padding: 1.2rem; }
.cc-name    { font-family: var(--f-display); font-size: 1rem; font-weight: 500; color: var(--gold-light); margin-bottom: .1rem; }
.cc-essence { font-family: var(--f-ui); font-size: .5rem; font-weight: 400; letter-spacing: .2em; text-transform: uppercase; color: var(--text-dim); margin-bottom: .6rem; }
.cc-desc    { font-family: var(--f-ui); font-size: .87rem; font-weight: 300; color: var(--text-mid); line-height: 1.75; }

/* Zoom layers */
.zoom-layers { display: flex; flex-direction: column; margin: 1.8rem 0; }
.zoom-layer { display: grid; grid-template-columns: 44px 1fr; gap: 0 1.6rem; align-items: start; padding: 1.5rem 0; border-bottom: 1px solid var(--rule-sub); }
.zoom-layer:last-child { border-bottom: none; }
.zl-spine { display: flex; flex-direction: column; align-items: center; height: 100%; }
.zl-node { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--gold); display: flex; align-items: center; justify-content: center; font-size: .88rem; background: var(--night3); flex-shrink: 0; color: var(--gold); }
.zl-line { width: 1px; flex: 1; min-height: 1.5rem; margin-top: .4rem; background: linear-gradient(180deg, var(--rule), transparent); }
.zl-scope { font-family: var(--f-ui); font-size: .5rem; font-weight: 400; letter-spacing: .2em; text-transform: uppercase; color: var(--text-dim); margin-bottom: .28rem; }
.zl-title { font-family: var(--f-display); font-size: 1.1rem; font-weight: 500; color: var(--gold-light); margin-bottom: .65rem; }

/* Mobile toggle */
.mob-toggle {
  display: none; position: fixed; top: .9rem; left: .9rem; z-index: 300;
  background: var(--night2); border: 1px solid var(--rule); border-radius: 2px;
  padding: .45rem .65rem; cursor: pointer; color: var(--gold); font-size: 1.05rem;
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Tablet */
@media (max-width: 980px) {
  :root { --sb-w: 220px; }
  .vol-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .vol-band { padding: 3rem 2rem 5rem; }
  .content, .content-wide { padding: 2.4rem 2rem; }
  .page-header { padding: 2.5rem 2rem 2rem; }
}

@media (max-width: 700px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .mob-toggle { display: flex; }
  .vol-grid { grid-template-columns: 1fr; }
  .hero { padding: 4rem 1.5rem 3.5rem; min-height: 50vh; }
  .vol-band { padding: 2rem 1.2rem 3.5rem; }
}