/* ============================================================
   Klub Pervyh offer — editorial-luxury layer on Octomatica tokens.
   Serif display (Lora) for headlines, Golos/Onest/JetBrains Mono for UI.
   Loads on top of tokens.css + components.css.
   ============================================================ */

:root {
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --r-card: 16px;
  --r-chip: 10px;
  --maxw-read: 720px;
  --ink-grad: linear-gradient(180deg, oklch(0.20 0.03 168) 0%, oklch(0.24 0.035 168) 100%);
}

html { scroll-behavior: smooth; }
body { background: var(--paper); }

/* ── Refined display type ── */
.serif { font-family: var(--font-serif); font-weight: 600; letter-spacing: -.01em; }
.serif em, em.accent { font-style: italic; color: var(--accent-deep); font-weight: 600; }

.h-sec {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2rem, 3.6vw, 3.1rem); line-height: 1.08; letter-spacing: -.015em;
  text-wrap: balance; color: var(--ink);
}
.lead {
  font-size: clamp(1.02rem, 1.25vw, 1.18rem); color: var(--ink-2); line-height: 1.62;
  max-width: 60ch;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono);
  font-size: .68rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase;
  color: var(--accent-deep);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; opacity: .55; }
.eyebrow.center { justify-content: center; }

/* ── Section rhythm: index number + hairline ── */
.section { padding: clamp(64px, 8vw, 120px) 0; }
.sec-index {
  display: flex; align-items: baseline; gap: 16px; margin-bottom: 34px;
  border-top: 1px solid var(--line); padding-top: 24px;
}
.sec-index .no {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; color: var(--accent-deep);
  padding-top: 5px; min-width: 34px;
}
.sec-index .ttl { flex: 1; }
.sec-index .ttl .eyebrow { margin-bottom: 14px; }

/* ============================================================
   NAV
   ============================================================ */
.nav { height: 66px; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-head); font-weight: 700; font-size: 1.02rem; letter-spacing: -.02em; text-decoration: none; color: #fff; }
.brand .mark { display: inline-flex; }
.brand-x { font-family: var(--font-sans); font-weight: 400; color: var(--ink-on-dark-2); font-size: .92rem; }
.nav-links { display: flex; gap: 30px; list-style: none; }
.nav-links a { position: relative; color: var(--ink-on-dark-2); text-decoration: none; font-size: .84rem; font-weight: 500; letter-spacing: .01em; padding: 4px 0; transition: color .2s var(--ease); }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px; background: var(--accent-on-ink); transition: right .3s var(--ease); }
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: #fff; }
.nav-links a.active::after { right: 0; }
.nav-cta { font-family: var(--font-sans); font-weight: 600; font-size: .82rem; padding: 9px 18px; border-radius: var(--r-pill); border: 1px solid var(--ink-line); color: #fff; text-decoration: none; transition: .2s var(--ease); }
.nav-cta:hover { background: rgba(236,243,239,.08); }

.nav-scrolled { height: 60px; background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: blur(18px) saturate(1.2); border-bottom: 1px solid var(--line); }
.nav-scrolled .brand { color: var(--ink); }
.nav-scrolled .brand-x { color: var(--ink-3); }
.nav-scrolled .nav-links a { color: var(--ink-3); }
.nav-scrolled .nav-links a:hover, .nav-scrolled .nav-links a.active { color: var(--ink); }
.nav-scrolled .nav-links a::after { background: var(--accent); }
.nav-scrolled .nav-cta { color: var(--ink); border-color: var(--line-2); }
.nav-scrolled .nav-cta:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-deep); }
@media (max-width: 900px) { .nav-links { display: none; } }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100dvh; display: flex; flex-direction: column;
  background: var(--ink-grad); color: var(--ink-on-dark); overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(760px 520px at 82% -8%, rgba(63,224,166,.20), transparent 62%),
    radial-gradient(620px 460px at -8% 108%, rgba(63,224,166,.12), transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--ink-line) 1px, transparent 1px), linear-gradient(90deg, var(--ink-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(1000px 680px at 66% 26%, #000 0%, transparent 76%);
  opacity: .6;
}
.hero-inner { position: relative; z-index: 1; flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 120px 0 72px; }

.hero-bar {
  position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0 26px; margin-top: 66px; border-bottom: 1px solid var(--ink-line);
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-on-dark-2);
}
.hero-bar .mono-tag { display: inline-flex; align-items: center; gap: 12px; }
.hero-bar .tile { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); display: inline-flex; align-items: center; justify-content: center; }
.hero-bar .co { color: var(--ink-on-dark); font-family: var(--font-head); font-weight: 700; letter-spacing: -.01em; text-transform: none; font-size: .9rem; }
.hero-bar .co span { color: var(--ink-on-dark-2); font-weight: 400; }
@media (max-width: 640px) { .hero-bar .right { display: none; } }

.hero-eyebrow {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent-on-ink); margin-bottom: 30px; display: inline-flex; align-items: center; gap: 12px;
}
.hero-eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; opacity: .6; }

.hero h1 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2.5rem, 6vw, 5.2rem); line-height: 1.04; letter-spacing: -.02em;
  color: #fff; max-width: 18ch; margin-bottom: 32px;
}
.hero h1 em { font-style: italic; color: var(--accent-on-ink); font-weight: 600; }
.hero-lead { font-size: clamp(1.05rem, 1.4vw, 1.35rem); color: var(--ink-on-dark-2); max-width: 62ch; line-height: 1.6; margin-bottom: 40px; }
.hero-lead b { color: var(--ink-on-dark); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.hero .btn-primary { box-shadow: 0 16px 44px -12px rgba(63,224,166,.5); }

.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 1;
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-on-dark-2); display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-hint .line { width: 1px; height: 30px; background: linear-gradient(var(--accent-on-ink), transparent); animation: scrollpulse 2s var(--ease) infinite; }
@keyframes scrollpulse { 0%,100% { opacity: .25; transform: scaleY(.7); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); } }

/* ── Proof strip (just under hero) ── */
.proof { background: oklch(0.24 0.035 168); color: var(--ink-on-dark); border-top: 1px solid var(--ink-line); }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-cell { padding: 40px 32px; border-right: 1px solid var(--ink-line); }
.proof-cell:last-child { border-right: none; }
.proof-cell .num { font-family: var(--font-serif); font-weight: 600; font-size: clamp(2rem, 3.4vw, 2.8rem); color: var(--accent-on-ink); line-height: 1; letter-spacing: -.02em; }
.proof-cell .lbl { color: var(--ink-on-dark-2); font-size: .88rem; margin-top: 12px; line-height: 1.45; max-width: 26ch; }
@media (max-width: 760px) { .proof-grid { grid-template-columns: 1fr; } .proof-cell { border-right: none; border-bottom: 1px solid var(--ink-line); } .proof-cell:last-child { border-bottom: none; } }

/* ============================================================
   PROBLEM — editorial numbered list
   ============================================================ */
.prob-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; }
.prob-item { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 30px 0; border-top: 1px solid var(--line); }
.prob-item .n { font-family: var(--font-mono); font-size: .78rem; color: var(--accent-deep); padding-top: 5px; }
.prob-item h3 { font-family: var(--font-serif); font-weight: 600; font-size: 1.28rem; letter-spacing: -.01em; margin-bottom: 10px; line-height: 1.2; }
.prob-item p { color: var(--ink-2); font-size: .96rem; line-height: 1.6; }
@media (max-width: 760px) { .prob-list { grid-template-columns: 1fr; gap: 0; } }

/* ============================================================
   APPROACH — pull-quote + formula
   ============================================================ */
.pullquote {
  font-family: var(--font-serif); font-weight: 500; font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.28; letter-spacing: -.015em; color: var(--ink); max-width: 20ch; margin: 8px 0 0;
}
.pullquote .accent { font-style: italic; color: var(--accent-deep); }
.approach-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.formula-card {
  border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; background: var(--surface);
  box-shadow: var(--sh-md);
}
.formula-step { padding: 26px 28px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 18px; }
.formula-step:last-child { border-bottom: none; }
.formula-step .fn { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em; color: var(--accent-deep); min-width: 30px; }
.formula-step .ft { font-family: var(--font-serif); font-weight: 600; font-size: 1.22rem; letter-spacing: -.01em; }
.formula-step .fd { color: var(--ink-3); font-size: .86rem; margin-top: 2px; }
.formula-step.is-ai { background: var(--accent-softer); }
@media (max-width: 860px) { .approach-split { grid-template-columns: 1fr; gap: 40px; } }

/* ============================================================
   WHO — split
   ============================================================ */
.who-split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.who-col { padding: 40px 48px 40px 0; border-right: 1px solid var(--line); }
.who-col:last-child { padding: 40px 0 40px 48px; border-right: none; }
.who-col .badge { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-deep); margin-bottom: 16px; }
.who-col h3 { font-family: var(--font-serif); font-weight: 600; font-size: 1.5rem; letter-spacing: -.015em; margin-bottom: 14px; line-height: 1.16; }
.who-col p { color: var(--ink-2); font-size: .98rem; line-height: 1.65; }
.industries { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.chip { display: inline-flex; align-items: center; gap: 8px; font-size: .84rem; font-weight: 500; padding: 8px 16px; border-radius: var(--r-pill); border: 1px solid var(--line-2); color: var(--ink-2); }
.chip .dot { width: 6px; height: 6px; border-radius: 99px; background: var(--accent); }
@media (max-width: 760px) { .who-split { grid-template-columns: 1fr; } .who-col { padding: 34px 0; border-right: none; border-bottom: 1px solid var(--line); } .who-col:last-child { padding: 34px 0; border-bottom: none; } }

/* ============================================================
   OS DIAGRAM — the centerpiece
   ============================================================ */
.osd { border: 1px solid var(--line-2); border-radius: var(--r-card); background: var(--surface); box-shadow: var(--sh-lg); overflow: hidden; margin-top: 8px; }
.osd-level { padding: 32px clamp(24px, 3vw, 44px); }
.osd-level.l2 { background: var(--accent-softer); }
.osd-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.osd-badge { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent-on); background: var(--accent-deep); padding: 5px 11px; border-radius: var(--r-pill); }
.osd-head .osd-title { font-family: var(--font-serif); font-weight: 600; font-size: 1.24rem; letter-spacing: -.01em; }
.osd-head .osd-sub { flex-basis: 100%; color: var(--ink-3); font-size: .9rem; margin-top: 2px; }
.osd-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.osd-chip { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-chip); padding: 14px 16px; font-size: .9rem; color: var(--ink); font-weight: 500; display: flex; align-items: center; gap: 10px; transition: .22s var(--ease); }
.osd-chip:hover { border-color: var(--accent); box-shadow: var(--sh-sm); transform: translateY(-2px); }
.osd-chip .c-dot { width: 6px; height: 6px; border-radius: 99px; background: var(--accent); flex: none; }
.osd-level.l2 .osd-chip { background: var(--surface); border-color: color-mix(in srgb, var(--accent) 22%, var(--line)); }
.osd-connector { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 18px 0; position: relative; }
.osd-connector::before, .osd-connector::after { content: ""; height: 1px; flex: 1; max-width: 120px; background: linear-gradient(90deg, transparent, var(--line-2)); }
.osd-connector::after { background: linear-gradient(90deg, var(--line-2), transparent); }
.osd-connector .label { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-deep); display: inline-flex; align-items: center; gap: 8px; }
.osd-ai { padding: 26px clamp(24px, 3vw, 44px); background: var(--ink-surface); color: var(--ink-on-dark); display: flex; align-items: center; gap: 16px; }
.osd-ai .ico { width: 38px; height: 38px; border-radius: 10px; background: rgba(63,224,166,.14); display: flex; align-items: center; justify-content: center; color: var(--accent-on-ink); flex: none; }
.osd-ai .txt strong { font-family: var(--font-serif); font-weight: 600; font-size: 1.1rem; display: block; letter-spacing: -.01em; }
.osd-ai .txt span { color: var(--ink-on-dark-2); font-size: .9rem; }
@media (max-width: 680px) { .osd-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .osd-grid { grid-template-columns: 1fr; } }

/* ============================================================
   DIFFERENTIATORS
   ============================================================ */
.diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; }
.diff-cell { background: var(--surface); padding: 38px clamp(24px, 2.6vw, 40px); transition: .25s var(--ease); }
.diff-cell:hover { background: var(--surface-2); }
.diff-cell .idx { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em; color: var(--accent-deep); }
.diff-cell .di { width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; color: var(--accent-deep); margin: 18px 0 20px; }
.diff-cell h3 { font-family: var(--font-serif); font-weight: 600; font-size: 1.22rem; letter-spacing: -.01em; margin-bottom: 10px; line-height: 1.2; }
.diff-cell p { color: var(--ink-2); font-size: .95rem; line-height: 1.62; }
@media (max-width: 760px) { .diff-grid { grid-template-columns: 1fr; } }

/* ============================================================
   CASES
   ============================================================ */
.case { border-top: 1px solid var(--line); padding: 48px 0; display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: center; }
.case:nth-child(even) { direction: rtl; }
.case:nth-child(even) > * { direction: ltr; }
.case-tag { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-deep); margin-bottom: 16px; display: inline-flex; align-items: center; gap: 10px; }
.case-tag .tick { color: var(--ink-3); font-weight: 400; letter-spacing: .12em; }
.case h3 { font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.4rem, 2.2vw, 1.9rem); letter-spacing: -.015em; line-height: 1.16; margin-bottom: 22px; }
.case-rows { display: grid; gap: 14px; }
.case-row { display: grid; grid-template-columns: 92px 1fr; gap: 16px; align-items: baseline; }
.case-row .k { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); padding-top: 3px; }
.case-row .v { color: var(--ink-2); font-size: .96rem; line-height: 1.55; }
.case-row .v b { color: var(--ink); font-weight: 600; }
.case-metric {
  background: var(--ink-grad); border-radius: var(--r-card); padding: 40px 32px; color: #fff; text-align: center;
  border: 1px solid rgba(63,224,166,.16); box-shadow: var(--sh-lg); position: relative; overflow: hidden;
}
.case-metric::before { content: ""; position: absolute; inset: 0; background: radial-gradient(320px 200px at 50% -10%, rgba(63,224,166,.22), transparent 65%); pointer-events: none; }
.case-metric .big { position: relative; font-family: var(--font-serif); font-weight: 600; font-size: clamp(2.6rem, 5vw, 3.8rem); color: var(--accent-on-ink); line-height: 1; letter-spacing: -.03em; }
.case-metric .cap { position: relative; color: var(--ink-on-dark-2); font-size: .86rem; margin-top: 16px; line-height: 1.5; }
.case-metric .transform { position: relative; display: flex; align-items: center; justify-content: center; gap: 14px; }
.case-metric .transform .from { font-family: var(--font-serif); font-size: clamp(1.6rem,3vw,2.2rem); color: var(--ink-on-dark-2); }
.case-metric .transform .arr { color: var(--accent-on-ink); }
@media (max-width: 820px) { .case { grid-template-columns: 1fr; gap: 30px; } .case:nth-child(even) { direction: ltr; } .case-row { grid-template-columns: 84px 1fr; } }

/* ============================================================
   METHOD
   ============================================================ */
.method-steps { border-top: 1px solid var(--line); }
.method-step { display: grid; grid-template-columns: 60px 220px 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); align-items: baseline; transition: .2s var(--ease); }
.method-step:hover { padding-left: 8px; }
.method-step .mn { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .16em; color: var(--accent-deep); }
.method-step h4 { font-family: var(--font-serif); font-weight: 600; font-size: 1.3rem; letter-spacing: -.01em; }
.method-step p { color: var(--ink-2); font-size: .96rem; line-height: 1.6; max-width: 56ch; }
@media (max-width: 720px) { .method-step { grid-template-columns: 44px 1fr; } .method-step p { grid-column: 1 / -1; padding-top: 4px; } }
.hitl { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.hitl-card { border: 1px solid var(--line); border-radius: var(--r-card); padding: 30px; background: var(--surface); }
.hitl-card .ic { width: 40px; height: 40px; border-radius: 11px; background: var(--accent-soft); color: var(--accent-deep); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.hitl-card h4 { font-family: var(--font-serif); font-weight: 600; font-size: 1.16rem; letter-spacing: -.01em; margin-bottom: 8px; }
.hitl-card p { color: var(--ink-2); font-size: .93rem; line-height: 1.58; }
@media (max-width: 640px) { .hitl { grid-template-columns: 1fr; } }

/* ============================================================
   WHY NOW
   ============================================================ */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; }
.why-cell { background: var(--surface); padding: 36px 32px; }
.why-cell .wn { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em; color: var(--accent-deep); margin-bottom: 20px; }
.why-cell h3 { font-family: var(--font-serif); font-weight: 600; font-size: 1.2rem; letter-spacing: -.01em; margin-bottom: 12px; line-height: 1.2; }
.why-cell p { color: var(--ink-2); font-size: .94rem; line-height: 1.6; }
@media (max-width: 820px) { .why-grid { grid-template-columns: 1fr; } }

/* ============================================================
   CTA
   ============================================================ */
.cta-section { background: var(--ink-grad); color: var(--ink-on-dark); position: relative; overflow: hidden; padding: clamp(72px, 10vw, 140px) 0; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(680px 440px at 50% -8%, rgba(63,224,166,.18), transparent 66%); pointer-events: none; }
.cta-section .hero-grid { opacity: .4; }
.cta-inner { position: relative; z-index: 1; max-width: 760px; }
.cta-inner .eyebrow { color: var(--accent-on-ink); margin-bottom: 26px; }
.cta-inner h2 { font-family: var(--font-serif); font-weight: 600; font-size: clamp(2.1rem, 4.2vw, 3.4rem); line-height: 1.1; letter-spacing: -.02em; color: #fff; margin-bottom: 24px; }
.cta-inner h2 em { font-style: italic; color: var(--accent-on-ink); }
.cta-inner p { color: var(--ink-on-dark-2); font-size: 1.1rem; line-height: 1.62; margin-bottom: 38px; max-width: 60ch; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--paper-2); border-top: 1px solid var(--line); padding: clamp(56px, 7vw, 88px) 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 56px; margin-bottom: 56px; }
.footer .brand { color: var(--ink); }
.footer .brand-x { color: var(--ink-3); }
.footer-brand p { color: var(--ink-3); font-size: .92rem; margin-top: 18px; line-height: 1.65; max-width: 36ch; }
.footer-logos { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.logo-ph { width: 118px; height: 46px; border: 1px dashed var(--line-2); border-radius: var(--r-chip); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: .62rem; letter-spacing: .06em; color: var(--ink-3); text-align: center; background: var(--surface); padding: 4px; }
.footer-col h5 { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 20px; }
.footer-col .ph { display: block; color: var(--ink-2); font-size: .92rem; margin-bottom: 10px; padding: 11px 14px; border: 1px dashed var(--line-2); border-radius: var(--r-chip); background: var(--surface); }
.footer-col .fl { display: block; color: var(--ink-2); text-decoration: none; font-size: .93rem; margin-bottom: 12px; transition: color .2s var(--ease); }
.footer-col .fl:hover { color: var(--accent-deep); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 30px; border-top: 1px solid var(--line); font-size: .82rem; color: var(--ink-3); flex-wrap: wrap; gap: 12px; }
.footer-bottom .mono { font-family: var(--font-mono); letter-spacing: .08em; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 40px; } }

/* buttons on dark refinement */
.btn-ghost-ink { background: rgba(236,243,239,.05); border: 1px solid var(--ink-line); color: var(--ink-on-dark); }
.btn-ghost-ink:hover { background: rgba(236,243,239,.1); border-color: rgba(236,243,239,.25); }