/* =========================================================
   Cítara landing, site.css
   ========================================================= */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg-page);
  color: var(--fg-1);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
::selection { background: var(--accent); color: var(--accent-fg); }

/* Gold intensity tweak */
[data-gold="subtle"]  { --gold-300: #BDA072; --gold-500: #988253; --gold-100: #E8DDBF; }
[data-gold="bold"]    { --gold-300: #D6B36D; --gold-500: #A88A4A; --gold-100: #F1E4BF; }

/* Layout */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) { .container { padding: 0 20px; } }

.section { padding: 112px 0; position: relative; }
@media (max-width: 900px) { .section { padding: 72px 0; } }

.section-head { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: end; margin-bottom: 56px; }
.section-head .title { max-width: 680px; }
.section-head .title h2 { font-family: var(--font-serif); font-weight: 500; font-size: 56px; line-height: 1.02; letter-spacing: -0.025em; margin: 12px 0 0; color: var(--fg-1); text-wrap: balance; }
.section-head .meta { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.02em; text-align: right; }

.eb-row { display: flex; align-items: center; gap: 10px; }
.eb-row::before { content: ""; width: 24px; height: 1px; background: var(--accent); display: block; }

.divider { height: 1px; background: var(--border-1); }

/* ===== Topbar ===== */
.topbar-wrap {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg-page) 72%, transparent);
  border-bottom: 1px solid var(--border-1);
}
.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 72px;
  gap: 40px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg-1); }
.brand svg { width: 28px; height: 28px; }
.brand .word { font-family: var(--font-serif); font-size: 22px; font-weight: 500; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 28px; justify-content: center; }
.nav-links a {
  font-size: 13px; font-weight: 500; color: var(--fg-2);
  padding: 6px 2px; position: relative;
  transition: color var(--dur-micro) var(--ease-standard);
}
.nav-links a:hover { color: var(--fg-1); }
.nav-links a.active { color: var(--fg-1); }
.nav-links a.active::after {
  content:""; position:absolute; left:0; right:0; bottom:-2px;
  height: 1px; background: var(--accent);
}
.topbar-cta { display: flex; align-items: center; gap: 12px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
  padding: 10px 18px; border-radius: 999px;
  border: 1px solid transparent;
  transition: all var(--dur-micro) var(--ease-standard);
  letter-spacing: -0.005em;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; }
.btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--paper-100); }
.btn-ghost { color: var(--fg-1); border-color: var(--border-strong); }
.btn-ghost:hover { background: rgba(14,16,20,0.04); }
[data-theme="dark"] .btn-ghost:hover { background: rgba(255,255,255,0.04); }
.btn-lg { padding: 14px 24px; font-size: 14px; }

/* ===== Hero ===== */
.hero {
  position: relative; padding: 80px 0 96px;
  overflow: hidden;
}
.hero .grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, black 40%, transparent 85%);
  pointer-events: none;
}
.hero .wash {
  position: absolute; top: -180px; right: -180px;
  width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(closest-side, var(--accent-wash), transparent 70%);
  opacity: 0.55; pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 72px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3);
  padding: 8px 14px; border: 1px solid var(--border-1); border-radius: 999px;
  background: var(--bg-surface);
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform: scale(1); } 50% { opacity:.55; transform: scale(1.25); } }

.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(48px, 7.4vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.032em;
  margin: 32px 0 0;
  color: var(--fg-1);
  text-wrap: balance;
  max-width: 15ch;
}
.hero-title .em { font-style: italic; font-weight: 400; color: var(--accent); }
.hero-title .stroke {
  -webkit-text-stroke: 1.5px var(--fg-1);
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-sub {
  margin-top: 32px;
  font-size: 19px; line-height: 1.55; color: var(--fg-2);
  max-width: 620px;
}
.hero-cta { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero ticker, live metrics */
.hero-ticker {
  position: relative;
  margin-top: 80px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: var(--bg-surface);
  overflow: hidden;
}
.ticker-cell {
  padding: 20px 24px;
  border-right: 1px solid var(--border-1);
  position: relative;
}
.ticker-cell:last-child { border-right: 0; }
.ticker-cell .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); display: flex; justify-content: space-between; }
.ticker-cell .lbl .live { color: var(--success-500); display: flex; align-items: center; gap: 5px; }
.ticker-cell .lbl .live::before { content:""; width:6px; height:6px; border-radius:50%; background: var(--success-500); animation: pulse 1.6s ease-in-out infinite; }
.ticker-cell .val { font-variant-numeric: tabular-nums; font-size: 30px; line-height: 36px; font-weight: 600; letter-spacing: -0.02em; margin-top: 10px; color: var(--fg-1); }
.ticker-cell .chg { font-size: 11px; font-weight: 600; margin-top: 4px; color: var(--success-500); font-variant-numeric: tabular-nums; }
.ticker-cell .chg.down { color: var(--danger-500); }
.ticker-cell.feat { background: linear-gradient(180deg, color-mix(in srgb, var(--accent-wash) 60%, transparent), transparent); }
.ticker-cell.feat::before { content:""; position:absolute; left:0; top:14px; bottom:14px; width:2px; background: var(--accent); }

@media (max-width: 900px) {
  .hero-ticker { grid-template-columns: repeat(2, 1fr); }
  .ticker-cell:nth-child(2n) { border-right: 0; }
  .ticker-cell:nth-child(n+3) { border-top: 1px solid var(--border-1); }
}

/* ===== Client marquee ===== */
.marquee {
  padding: 40px 0;
  border-top: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
  background: var(--bg-sunken);
  overflow: hidden;
}
.marquee-inner { display: flex; gap: 0; animation: slide 44s linear infinite; width: max-content; }
.marquee-track { display: flex; gap: 80px; padding: 0 40px; align-items: center; }
.marquee-track .item {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 500; letter-spacing: -0.02em;
  color: var(--fg-3);
  white-space: nowrap;
  opacity: 0.68;
  transition: opacity var(--dur-micro) var(--ease-standard);
}
.marquee-track .item:hover { opacity: 1; color: var(--fg-1); }
.marquee-track .sep { width: 4px; height: 4px; border-radius: 50%; background: var(--border-strong); }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== Pilares (3 cards) ===== */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--border-1); border-radius: 16px; overflow: hidden; background: var(--bg-surface); }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr; } }
.pillar {
  padding: 40px 36px;
  border-right: 1px solid var(--border-1);
  position: relative;
  display: flex; flex-direction: column; gap: 20px;
  transition: background var(--dur-micro) var(--ease-standard);
}
.pillar:last-child { border-right: 0; }
@media (max-width: 900px) {
  .pillar { border-right: 0; border-bottom: 1px solid var(--border-1); }
  .pillar:last-child { border-bottom: 0; }
}
.pillar:hover { background: var(--bg-raised); }
.pillar .num { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.14em; }
.pillar .icon {
  width: 48px; height: 48px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--accent);
  background: var(--bg-raised);
}
.pillar h3 {
  font-family: var(--font-serif); font-size: 28px; font-weight: 500;
  line-height: 1.1; letter-spacing: -0.02em; color: var(--fg-1); margin: 0;
  text-wrap: balance;
}
.pillar p { font-size: 15px; line-height: 1.55; color: var(--fg-2); max-width: 320px; }
.pillar .bullets { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 10px; }
.pillar .bullets li { font-size: 13px; color: var(--fg-2); display: flex; gap: 10px; align-items: flex-start; }
.pillar .bullets li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-top: 8px; flex: 0 0 auto; }

/* ===== Approach (method) ===== */
.method {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 80px; align-items: start;
}
@media (max-width: 900px) { .method { grid-template-columns: 1fr; gap: 48px; } }
.method-left h2 { font-family: var(--font-serif); font-size: 64px; line-height: 1; font-weight: 500; letter-spacing: -0.03em; margin: 12px 0 0; color: var(--fg-1); text-wrap: balance; }
.method-left p { margin-top: 24px; font-size: 17px; line-height: 1.6; color: var(--fg-2); max-width: 480px; }
.method-steps { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--border-1); }
.step {
  padding: 28px 0 28px;
  border-bottom: 1px solid var(--border-1);
  display: grid; grid-template-columns: 72px 1fr auto; gap: 24px; align-items: center;
  cursor: pointer;
  transition: background var(--dur-micro) var(--ease-standard);
}
.step:hover { background: var(--bg-surface); padding-left: 16px; padding-right: 16px; margin: 0 -16px; }
.step .idx { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.08em; }
.step .info h4 { font-family: var(--font-sans); font-size: 20px; font-weight: 600; letter-spacing: -0.01em; color: var(--fg-1); margin: 0 0 6px; }
.step .info p { font-size: 14px; color: var(--fg-3); margin: 0; }
.step .arrow { color: var(--fg-3); transition: transform var(--dur-micro) var(--ease-standard), color var(--dur-micro) var(--ease-standard); }
.step:hover .arrow { transform: translateX(4px); color: var(--accent); }

/* ===== Services split ===== */
.services-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--dur-moderate) var(--ease-standard);
  display: flex; flex-direction: column; justify-content: space-between;
  min-height: 280px;
}
.service-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--elev-2); }
.service-card .eyebrow { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); }
.service-card h3 { font-family: var(--font-serif); font-size: 32px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; margin-top: 16px; color: var(--fg-1); text-wrap: balance; }
.service-card p { margin-top: 12px; font-size: 14px; color: var(--fg-2); line-height: 1.55; }
.service-card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; }
.service-card .tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 10px; border: 1px solid var(--border-1); border-radius: 999px; color: var(--fg-3); }
.service-card .cta-link { margin-top: 20px; font-size: 13px; font-weight: 500; color: var(--fg-1); display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; border-bottom: 1px solid var(--border-strong); padding-bottom: 2px; }

.service-card.hero-card {
  grid-column: span 8;
  min-height: 420px;
  background: var(--graphite-900);
  color: var(--paper-100);
  border-color: var(--graphite-700);
}
.service-card.hero-card h3 { color: var(--paper-100); font-size: 52px; }
.service-card.hero-card p { color: var(--graphite-200); max-width: 480px; font-size: 16px; }
.service-card.hero-card .eyebrow { color: var(--gold-300); }
.service-card.hero-card .tag { color: var(--graphite-100); border-color: rgba(255,255,255,0.12); }
.service-card.hero-card .cta-link { color: var(--paper-100); border-color: var(--gold-300); }
.service-card.hero-card .viz {
  position: absolute; right: -40px; bottom: -40px;
  width: 340px; height: 340px;
  border: 1px solid rgba(255,255,255,0.08); border-radius: 50%;
  display: grid; place-items: center;
  pointer-events: none;
}
.service-card.hero-card .viz::before { content:""; position:absolute; inset: 30px; border: 1px solid rgba(255,255,255,0.06); border-radius: 50%; }
.service-card.hero-card .viz::after { content:""; position:absolute; inset: 60px; border: 1px solid rgba(255,255,255,0.06); border-radius: 50%; }

.service-card.s4 { grid-column: span 4; }
.service-card.s6 { grid-column: span 6; }
.service-card.s3 { grid-column: span 3; }

@media (max-width: 900px) {
  .service-card, .service-card.hero-card, .service-card.s4, .service-card.s6, .service-card.s3 { grid-column: span 12; min-height: 240px; }
  .service-card.hero-card h3 { font-size: 36px; }
}

/* ===== Cases ===== */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .cases { grid-template-columns: 1fr; } }
.case-card {
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 32px;
  background: var(--bg-surface);
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
  min-height: 340px;
  transition: all var(--dur-moderate) var(--ease-standard);
}
.case-card:hover { border-color: var(--border-strong); box-shadow: var(--elev-1); }
.case-card .client { display: flex; justify-content: space-between; align-items: start; }
.case-card .client .name { font-family: var(--font-serif); font-size: 22px; font-weight: 500; letter-spacing: -0.015em; color: var(--fg-1); }
.case-card .client .sector { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3); margin-top: 4px; }
.case-card .metric-big {
  margin-top: auto;
  display: flex; align-items: baseline; gap: 8px;
  font-variant-numeric: tabular-nums;
}
.case-card .metric-big .val { font-family: var(--font-serif); font-size: 72px; font-weight: 500; letter-spacing: -0.035em; line-height: 0.9; color: var(--fg-1); }
.case-card .metric-big .unit { font-family: var(--font-sans); font-size: 20px; font-weight: 600; color: var(--accent); }
.case-card .metric-label { font-size: 13px; color: var(--fg-2); margin-top: 8px; }
.case-card .quote { font-size: 14px; line-height: 1.55; color: var(--fg-2); border-top: 1px solid var(--border-1); padding-top: 16px; margin-top: 16px; font-style: italic; }
.case-card .quote::before { content: "“"; font-family: var(--font-serif); color: var(--accent); font-size: 28px; margin-right: 4px; line-height: 0; vertical-align: -8px; }

/* ===== Why us, 6 pillars ===== */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--border-1); border-left: 1px solid var(--border-1); }
@media (max-width: 900px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .why-grid { grid-template-columns: 1fr; } }
.why {
  padding: 36px 28px;
  border-right: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
  transition: background var(--dur-micro) var(--ease-standard);
}
.why:hover { background: var(--bg-surface); }
.why .num { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.12em; }
.why .icon { width: 36px; height: 36px; color: var(--accent); }
.why h4 { font-family: var(--font-sans); font-size: 18px; font-weight: 600; letter-spacing: -0.01em; color: var(--fg-1); margin: 0; }
.why p { font-size: 14px; color: var(--fg-2); line-height: 1.5; margin: 0; }

/* ===== Testimonials ===== */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .testimonials { grid-template-columns: 1fr; } }
.testi {
  padding: 32px;
  border: 1px solid var(--border-1);
  border-radius: 16px;
  background: var(--bg-surface);
  display: flex; flex-direction: column; gap: 20px;
  min-height: 280px;
}
.testi .quote-mark { font-family: var(--font-serif); font-size: 56px; color: var(--accent); line-height: 0.5; height: 24px; }
.testi .text { font-family: var(--font-serif); font-size: 22px; font-weight: 400; line-height: 1.3; color: var(--fg-1); letter-spacing: -0.015em; text-wrap: balance; }
.testi .person { margin-top: auto; display: flex; align-items: center; gap: 14px; padding-top: 20px; border-top: 1px solid var(--border-1); }
.testi .avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-sunken); display: grid; place-items: center; font-family: var(--font-serif); font-weight: 500; color: var(--fg-1); border: 1px solid var(--border-1); }
.testi .person .name { font-size: 14px; font-weight: 600; color: var(--fg-1); }
.testi .person .role { font-size: 12px; color: var(--fg-3); margin-top: 2px; }

/* ===== FAQ ===== */
.faq { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--border-1); }
.faq-item { border-bottom: 1px solid var(--border-1); }
.faq-q {
  width: 100%; text-align: left; padding: 28px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  font-family: var(--font-sans); font-size: 18px; font-weight: 500;
  color: var(--fg-1); letter-spacing: -0.01em;
}
.faq-q .toggle { width: 32px; height: 32px; border-radius: 999px; border: 1px solid var(--border-1); display: grid; place-items: center; color: var(--fg-2); transition: all var(--dur-micro) var(--ease-standard); flex: 0 0 auto; }
.faq-item.open .faq-q .toggle { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height var(--dur-moderate) var(--ease-standard);
}
.faq-item.open .faq-a { max-height: 300px; }
.faq-a-inner { padding: 0 0 28px; font-size: 15px; color: var(--fg-2); line-height: 1.6; max-width: 640px; }

/* ===== Ecosystem ===== */
.ecosystem {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 40px;
}
@media (max-width: 900px) { .ecosystem { grid-template-columns: repeat(2, 1fr); } }
.eco-item {
  padding: 24px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: var(--bg-surface);
  display: flex; flex-direction: column; gap: 10px;
  transition: all var(--dur-micro) var(--ease-standard);
}
.eco-item:hover { border-color: var(--accent); background: var(--bg-raised); }
.eco-item .eco-logo { height: 32px; display: flex; align-items: center; color: var(--fg-1); }
.eco-item .eco-logo svg { height: 24px; width: auto; }
.eco-item .eco-desc { font-size: 12px; color: var(--fg-3); line-height: 1.5; }

/* ===== CTA Final ===== */
.cta-final {
  background: var(--graphite-900);
  color: var(--paper-100);
  border-radius: 24px;
  padding: 96px 64px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--graphite-700);
}
.cta-final::before {
  content:""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 80% at 80% 30%, black, transparent 70%);
  pointer-events: none;
}
.cta-final .wash {
  position: absolute; top: -200px; right: -100px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(199,168,107,0.25), transparent 70%);
  pointer-events: none;
}
.cta-final-inner { position: relative; z-index: 1; max-width: 720px; }
.cta-final h2 {
  font-family: var(--font-serif); font-size: clamp(44px, 6vw, 88px);
  font-weight: 500; line-height: 1; letter-spacing: -0.03em;
  color: var(--paper-100); margin: 16px 0 0;
  text-wrap: balance;
}
.cta-final h2 .em { font-style: italic; color: var(--gold-300); font-weight: 400; }
.cta-final p { margin-top: 24px; font-size: 17px; color: var(--graphite-100); max-width: 540px; line-height: 1.55; }
.cta-final .cta-row { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.cta-final .eb { color: var(--gold-300); }
.cta-final .whatsapp-note { font-size: 12px; color: var(--graphite-200); font-family: var(--font-mono); }

@media (max-width: 720px) { .cta-final { padding: 56px 28px; border-radius: 16px; } }

/* ===== Footer ===== */
.footer { padding: 72px 0 40px; border-top: 1px solid var(--border-1); margin-top: 96px; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
.footer .brand { margin-bottom: 20px; }
.footer-tag { font-family: var(--font-serif); font-size: 18px; color: var(--fg-2); font-style: italic; }
.footer h5 { font-family: var(--font-sans); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); margin: 0 0 16px; font-weight: 600; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { font-size: 14px; color: var(--fg-2); transition: color var(--dur-micro) var(--ease-standard); }
.footer ul a:hover { color: var(--fg-1); }
.footer-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border-1); display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--fg-3); font-family: var(--font-mono); }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a { width: 36px; height: 36px; border-radius: 999px; border: 1px solid var(--border-1); display: grid; place-items: center; color: var(--fg-2); transition: all var(--dur-micro) var(--ease-standard); }
.footer-socials a:hover { border-color: var(--accent); color: var(--accent); }

/* Tweaks panel */
.tweaks-panel {
  position: fixed; right: 24px; bottom: 24px; z-index: 100;
  background: var(--bg-raised);
  border: 1px solid var(--border-1);
  border-radius: 16px;
  padding: 20px;
  width: 300px;
  box-shadow: var(--elev-2);
  font-family: var(--font-sans);
  display: none;
}
.tweaks-panel.active { display: block; }
.tweaks-panel h5 { margin: 0 0 16px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.tweaks-panel .close { font-size: 16px; line-height: 1; color: var(--fg-3); cursor: pointer; }
.tweaks-panel .group { margin-bottom: 16px; }
.tweaks-panel .group:last-child { margin-bottom: 0; }
.tweaks-panel label { font-size: 12px; color: var(--fg-2); display: block; margin-bottom: 8px; }
.tweaks-panel .seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 2px; padding: 2px; background: var(--bg-sunken); border: 1px solid var(--border-1); border-radius: 8px; }
.tweaks-panel .seg button { padding: 6px 8px; font-size: 11px; font-weight: 500; border-radius: 6px; color: var(--fg-2); }
.tweaks-panel .seg button.on { background: var(--bg-raised); color: var(--fg-1); box-shadow: var(--elev-1); }

/* Entrance animation helpers */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 600ms var(--ease-standard), transform 600ms var(--ease-standard); }
.reveal.in { opacity: 1; transform: translateY(0); }
.no-reveal .reveal { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   Mobile da topbar do site.
   Mesma causa já corrigida no blog: os links mais o botão somavam cerca de
   680px numa tela de 390px, e a página inteira ganhava rolagem lateral. Os
   links passam a rolar dentro da própria barra e o botão sai, já que o CTA
   se repete ao longo das páginas.
   overflow-x: clip em vez de hidden de propósito: hidden vira container de
   scroll e faz a rolagem grudar no Safari do Mac.
   -------------------------------------------------------------------------- */
@media (max-width: 860px) {
  html, body { overflow-x: clip; max-width: 100%; }

  .topbar { gap: 12px; }
  .topbar .brand { flex: 0 0 auto; }
  .topbar .nav-links {
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .topbar .nav-links::-webkit-scrollbar { display: none; }
  .topbar .topbar-cta { display: none; }
}