/* ============================================================================
   23º Passeio Ciclístico — Stylesheet de produção
   ============================================================================
   Origem:
     - Design tokens: colors_and_type.css (Claude Design)
     - Estrutura visual: ui_kits/site/styles.css (Claude Design)
     - Ajustes locais para HTML estático + Mercado Pago Brick
   ============================================================================ */

/* ---- Fontes ---- */
@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap");

/* ============================================================================
   TOKENS
   ============================================================================ */
:root {
  /* Brand */
  --brand-900: #3F2F1B;
  --brand-700: #80623F;
  --brand-500: #A88660;
  --brand-300: #C9B391;
  --brand-200: #E8DCC4;
  --brand-100: #F2EADA;

  /* Surfaces */
  --bg:        #FAF8F3;
  --bg-paper:  #F2EDE2;
  --bg-deep:   #1B1410;
  --bg-deep-2: #2A1F18;

  /* Ink */
  --ink:       #1B1410;
  --ink-2:     #5C4A3A;
  --ink-3:     #8A7864;
  --ink-on-dark:   #F2EADA;
  --ink-on-dark-2: #BFA98A;

  /* Rules */
  --rule:        #D9CFBE;
  --rule-strong: #B7A684;
  --rule-dark:   #3A2E22;

  /* Accents */
  --moss:        #5F6B3E;
  --moss-200:    #D6DDC2;
  --terracotta:  #B85C38;
  --terracotta-200: #F1CFB9;

  /* Type */
  --font-display: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --font-sans:    "Geist", "Inter", system-ui, -apple-system, sans-serif;
  --font-mono:    "Geist Mono", "IBM Plex Mono", ui-monospace, monospace;

  --t-eyebrow:  11px;
  --t-caption:  13px;
  --t-small:    14px;
  --t-body:     17px;
  --t-lead:     20px;
  --t-h6:       16px;
  --t-h5:       20px;
  --t-h4:       clamp(24px, 2.2vw, 30px);
  --t-h3:       clamp(30px, 3.0vw, 42px);
  --t-h2:       clamp(40px, 4.5vw, 64px);
  --t-h1:       clamp(56px, 7vw, 96px);
  --t-display:  clamp(80px, 12vw, 180px);

  --lh-tight:   1.02;
  --lh-snug:    1.12;
  --lh-normal:  1.5;
  --lh-loose:   1.65;

  --ls-display: -0.025em;
  --ls-tight:   -0.015em;
  --ls-normal:  0;
  --ls-eyebrow: 0.14em;

  /* Spacing */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px; --s-11: 192px;

  --section-y:        clamp(80px, 12vw, 128px);
  --section-y-tight:  clamp(56px, 8vw, 96px);
  --container:        1240px;
  --container-narrow: 880px;
  --measure:          64ch;

  /* Radii */
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px;
  --radius-xl: 24px; --radius-2xl: 32px; --radius-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 1px oklch(0.2 0.03 60 / 0.05);
  --shadow-sm: 0 1px 2px oklch(0.2 0.03 60 / 0.06), 0 1px 1px oklch(0.2 0.03 60 / 0.04);
  --shadow-md: 0 4px 16px oklch(0.2 0.03 60 / 0.08), 0 1px 2px oklch(0.2 0.03 60 / 0.05);
  --shadow-lg: 0 24px 48px oklch(0.2 0.03 60 / 0.12), 0 4px 8px oklch(0.2 0.03 60 / 0.06);
  --shadow-xl: 0 40px 80px oklch(0.2 0.03 60 / 0.16), 0 8px 16px oklch(0.2 0.03 60 / 0.08);

  /* Motion */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-emphasis: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms; --dur-base: 220ms; --dur-slow: 480ms; --dur-entrance: 700ms;

  /* Layout */
  --header-h: 72px;
  --z-header: 100; --z-overlay: 200; --z-modal: 300;
}

/* ============================================================================
   RESET + BASE
   ============================================================================ */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--t-body);
  line-height: var(--lh-normal);
  color: var(--ink);
  background: var(--bg);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--brand-200); color: var(--ink); }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: var(--ls-display);
  line-height: var(--lh-snug);
  text-wrap: balance;
  margin: 0;
}
h1 { font-size: var(--t-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--t-h2); }
h3 { font-size: var(--t-h3); }
h4 { font-size: var(--t-h4); }
h5 { font-family: var(--font-sans); font-size: var(--t-h5); font-weight: 500; letter-spacing: var(--ls-tight); line-height: var(--lh-snug); margin: 0; }
h6 { font-family: var(--font-sans); font-size: var(--t-h6); font-weight: 600; letter-spacing: var(--ls-normal); line-height: var(--lh-snug); margin: 0; }

p { margin: 0; max-width: var(--measure); text-wrap: pretty; }
p.lead { font-size: var(--t-lead); line-height: var(--lh-loose); color: var(--ink-2); }

a {
  color: var(--brand-700);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1.5px;
  text-decoration-color: var(--brand-300);
  transition: text-decoration-color var(--dur-base) var(--ease-standard);
}
a:hover { text-decoration-color: var(--brand-700); }

small { font-size: var(--t-small); color: var(--ink-2); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--t-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--ink-2);
  font-weight: 500;
}

.serif { font-family: var(--font-display); }
.mono  { font-family: var(--font-mono); }
.italic-brand { color: var(--brand-700); font-style: italic; }
.muted { color: var(--ink-2); }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 32px; }
.container-narrow { max-width: var(--container-narrow); margin-inline: auto; padding-inline: 32px; }
@media (max-width: 720px) { .container, .container-narrow { padding-inline: 20px; } }

section { padding-block: clamp(80px, 12vw, 128px); }

/* ============================================================================
   BOTÕES
   ============================================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 15px/1 var(--font-sans);
  letter-spacing: -0.005em;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard),
              transform var(--dur-fast) var(--ease-standard),
              color var(--dur-base) var(--ease-standard);
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--brand-700); color: var(--bg); border-color: var(--brand-700); }
.btn-primary:hover { background: var(--brand-900); border-color: var(--brand-900); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-ghost:hover { background: var(--brand-100); border-color: var(--brand-700); }
.btn-quiet { background: transparent; color: var(--brand-700); padding: 10px 4px; border: 0; }
.btn-quiet:hover { color: var(--brand-900); }
.btn-on-dark { background: var(--bg); color: var(--ink); border-color: var(--bg); }
.btn-on-dark:hover { background: var(--brand-200); border-color: var(--brand-200); }
.btn-disabled { background: var(--brand-200); color: var(--ink-3); border-color: var(--brand-200); cursor: not-allowed; }
.btn-disabled:hover { background: var(--brand-200); }
.btn .arrow { transition: transform var(--dur-base); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================================
   PHOTO
   ============================================================================ */
.photo { border-radius: var(--radius-lg); overflow: hidden; background: var(--brand-200); }
.photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ============================================================================
   SECTION HEAD
   ============================================================================ */
.sec-head {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  align-items: start;
  padding-top: 28px;
  border-top: 1px solid var(--ink);
  margin-bottom: 56px;
}
.sec-head .num { font: 500 11px/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-2); }
.sec-head .num b { display: block; color: var(--ink); font-weight: 600; font-size: 12px; margin-top: 2px; }
.sec-head h2 { font: 400 clamp(40px, 5vw, 72px)/1.1 var(--font-display); letter-spacing: -0.025em; color: var(--ink); margin: 0; max-width: 18ch; }
.sec-head h2 em { color: var(--brand-700); font-style: italic; }
.sec-head .sub { font: 400 17px/1.5 var(--font-sans); color: var(--ink-2); margin-top: 14px; max-width: 56ch; }
@media (max-width: 720px) {
  .sec-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; }
}

/* ============================================================================
   HEADER
   ============================================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  padding: 16px 0;
  transition: padding var(--dur-base) var(--ease-standard);
}
.site-header.scrolled { padding: 10px 0; }
.site-header__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 12px 20px 12px 24px;
  background: var(--bg-paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  transition: box-shadow var(--dur-base);
}
.site-header.scrolled .site-header__row { box-shadow: var(--shadow-md); }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-img { display: block; height: 40px; width: auto; }
.nav-desktop { display: flex; gap: 28px; }
.nav-desktop a { font: 400 14px/1 var(--font-sans); color: var(--ink); text-decoration: none; padding: 8px 0; position: relative; transition: color var(--dur-base); }
.nav-desktop a:hover { color: var(--brand-700); }
.nav-desktop a.active { color: var(--brand-700); font-weight: 500; }
.nav-desktop a.active::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 4px; height: 4px; border-radius: 50%; background: var(--brand-700); }
.header-actions { display: inline-flex; align-items: center; gap: 10px; }
.header-cta { padding: 12px 18px; font-size: 14px; border-radius: 999px; background: var(--brand-700); color: var(--bg); border-color: var(--brand-700); }
.header-cta:hover { background: var(--brand-900); border-color: var(--brand-900); color: var(--bg); }
.header-ig {
  height: 40px;
  padding: 0 16px;
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  background: transparent;
  font: 500 14px/1 var(--font-sans);
  letter-spacing: -0.005em;
  transition: background var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard),
              color var(--dur-base) var(--ease-standard),
              transform var(--dur-fast);
}
.header-ig:hover {
  background: var(--brand-700);
  border-color: var(--brand-700);
  color: var(--bg);
}
.header-ig:active { transform: scale(0.96); }
.nav-mobile-ig {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 16px/1 var(--font-sans);
  color: var(--ink);
  text-decoration: none;
}
.nav-mobile-ig svg { color: var(--brand-700); }
.nav-burger { display: none; background: transparent; border: 0; padding: 6px; color: var(--ink); cursor: pointer; }
.nav-mobile { display: none; padding: 18px 24px; margin: 8px 24px 0; background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); flex-direction: column; gap: 14px; }
.nav-mobile.open { display: flex; }
.nav-mobile a { font: 500 16px/1 var(--font-sans); color: var(--ink); text-decoration: none; }
@media (max-width: 940px) {
  .nav-desktop, .header-actions { display: none; }
  .nav-burger { display: inline-flex; }
}

/* ============================================================================
   HERO
   ============================================================================ */
.hero { padding-top: 132px; padding-bottom: 0; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: end; }
.hero-left .meta-line { display: flex; gap: 14px; align-items: center; margin-bottom: 24px; }
.hero-left .meta-line .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-700); }
.hero-logo {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  margin: 8px 0 22px;
}
.hero-left .where { font: 400 16px/1.5 var(--font-sans); color: var(--ink-2); margin: 18px 0 28px; }
.hero-left .ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-right {
  position: relative;
  aspect-ratio: 4/5;
  max-height: 640px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.hero-right img,
.hero-right video { width: 100%; height: 100%; object-fit: cover; display: block; background: var(--brand-200); }
.hero-photo-badge {
  position: absolute; left: 18px; bottom: 18px;
  padding: 8px 14px;
  background: oklch(0.97 0.01 80 / 0.92);
  border-radius: 999px;
  font: 500 12px/1 var(--font-sans);
  color: var(--ink);
  border: 1px solid var(--rule);
  backdrop-filter: blur(6px);
}
.hero-strip {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
  margin-top: 56px;
  padding-top: 24px; padding-bottom: 24px;
  border-top: 1px solid var(--ink);
}
.hero-strip .item { display: flex; flex-direction: column; gap: 6px; }
.hero-strip .item .l { font: 500 10px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-3); }
.hero-strip .item .v { font: 400 22px/1 var(--font-display); color: var(--ink); letter-spacing: -0.015em; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-right { aspect-ratio: 4/3; }
  .hero-strip { flex-wrap: wrap; gap: 18px; }
}

/* ============================================================================
   SPONSORS MARQUEE
   ============================================================================ */
.sponsors {
  padding-block: clamp(40px, 6vw, 64px);
  background: var(--bg);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.sponsors__head { max-width: var(--container); margin: 0 auto 24px; padding-inline: 32px; }

.marquee {
  position: relative;
  overflow: hidden;
  max-width: var(--container);
  margin-inline: auto;
  contain: layout paint;
}
/* fade lateral via pseudo-elementos (mask-image trava no iOS) */
.marquee::before,
.marquee::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 8%;
  z-index: 2;
  pointer-events: none;
}
.marquee::before { left: 0;  background: linear-gradient(90deg, var(--bg), transparent); }
.marquee::after  { right: 0; background: linear-gradient(270deg, var(--bg), transparent); }

.marquee__track {
  display: flex;
  align-items: center;
  gap: clamp(24px, 2.5vw, 40px);
  list-style: none;
  padding: 12px 0;
  margin: 0;
  width: max-content;
  will-change: transform;
  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);
}
.marquee__track li { flex: 0 0 auto; }
.marquee__track img {
  display: block;
  height: 150px;
  width: auto;
  max-width: none;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: auto;
}
.marquee--paused .marquee__track { /* hover state aplicado via JS */ }

@media (max-width: 720px) {
  .sponsors__head { padding-inline: 20px; }
  .marquee { margin-inline: 0; }
  .marquee__track { gap: 20px; }
  .marquee__track img { height: 120px; }
}

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

/* ============================================================================
   ABOUT
   ============================================================================ */
.about { background: var(--bg-paper); }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.about-copy p { margin-bottom: 18px; color: var(--ink-2); max-width: 56ch; font-size: 17px; line-height: 1.6; }
.about-copy p.lead { font-size: 22px; line-height: 1.5; color: var(--ink); font-weight: 400; max-width: 28ch; margin-bottom: 28px; }
.about-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--rule); }
.about-meta div { display: flex; flex-direction: column; gap: 6px; }
.about-meta strong { font: 400 22px/1 var(--font-display); letter-spacing: -0.015em; color: var(--ink); font-weight: 400; }
.about-photo { aspect-ratio: 4/5; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } .about-photo { aspect-ratio: 4/3; } }
@media (max-width: 720px) {
  .about-copy { text-align: center; }
  .about-copy p, .about-copy p.lead { margin-inline: auto; }
  .about-meta { text-align: center; }
  .about-meta div { align-items: center; }
}

/* ============================================================================
   ROUTE
   ============================================================================ */
.route-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; }
.route-photo { aspect-ratio: 5/6; }
.route-copy p { color: var(--ink-2); font-size: 17px; line-height: 1.6; max-width: 50ch; }
.route-copy h2 { font: 400 clamp(36px, 4.4vw, 64px)/1.1 var(--font-display); letter-spacing: -0.025em; margin: 12px 0 18px; max-width: 14ch; }
.route-copy h2 em { color: var(--brand-700); font-style: italic; }
.route-pts { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.route-pts li { display: flex; gap: 12px; align-items: center; font: 400 15px/1.4 var(--font-sans); color: var(--ink); padding: 14px 0; border-top: 1px dashed var(--rule); }
.route-pts li:last-child { border-bottom: 1px dashed var(--rule); }
.route-pts .dot { width: 6px; height: 6px; background: var(--brand-700); border-radius: 50%; flex: 0 0 6px; }
@media (max-width: 900px) { .route-grid { grid-template-columns: 1fr; gap: 40px; } .route-photo { aspect-ratio: 4/3; } }

/* ============================================================================
   HOW (Como Participar)
   ============================================================================ */
.how { background: var(--bg-paper); }
.how-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.how-card { border-radius: var(--radius-xl); overflow: hidden; display: flex; flex-direction: column; position: relative; }
.how-card--paper { background: var(--bg); border: 1px solid var(--rule); }
.how-card--brand { background: var(--brand-700); color: var(--bg); }
.how-card--brand p, .how-card--brand li { color: var(--brand-200); }
.how-card__badge { position: absolute; right: 22px; top: 22px; padding: 6px 12px; background: var(--bg); color: var(--ink); font: 500 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; border-radius: 999px; z-index: 2; }
.how-card__media { aspect-ratio: 16/9; overflow: hidden; background: var(--brand-200); cursor: zoom-in; }
.how-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--dur-base) var(--ease-standard); }
.how-card__media:hover img { transform: scale(1.02); }
.how-card__media--shirt { background: #FAF5EA; }
.how-card__media--shirt img { object-fit: cover; object-position: center; }
.how-card__body { padding: 32px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.how-card__body h3 { font: 400 36px/1.15 var(--font-display); letter-spacing: -0.02em; color: inherit; margin: 4px 0 6px; }
.how-card__body h3 em { font-style: italic; color: var(--brand-700); }
.how-card--brand .how-card__body h3 em { color: var(--brand-200); }
.how-card__body p { font: 400 15px/1.55 var(--font-sans); max-width: 48ch; }
.how-card__list { list-style: none; padding: 0; margin: 8px 0; display: grid; gap: 10px; }
.how-card__list li { font: 400 14px/1.4 var(--font-sans); padding-left: 22px; position: relative; }
.how-card__list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand-700); font-weight: 600; }
.how-card--brand .how-card__list li::before { color: var(--brand-300); }
.how-card__body .btn { align-self: flex-start; margin-top: auto; }
@media (max-width: 800px) { .how-grid { grid-template-columns: 1fr; } }

/* ============================================================================
   IMPACT
   ============================================================================ */
.impact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.impact-cell { padding: 24px 24px 0; border-left: 1px solid var(--rule); }
.impact-cell:first-child { border-left: 0; padding-left: 0; }
.impact-num {
  font: 400 clamp(72px, 10vw, 140px)/0.88 var(--font-display);
  letter-spacing: -0.04em;
  color: var(--ink);
  font-feature-settings: "lnum";
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.impact-num--terra { color: var(--terracotta); }
.impact-num small { font-size: 0.3em; vertical-align: 0.7em; margin-left: 6px; letter-spacing: 0; color: var(--ink-2); font-style: italic; }
.impact-num--terra small { color: var(--terracotta); opacity: 0.7; }
.impact-meta { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--brand-300); display: flex; flex-direction: column; gap: 8px; }
.impact-meta p { font: 400 15px/1.4 var(--font-sans); color: var(--ink-2); max-width: 22ch; }

/* centered variant — cards dimensionados pelo conteúdo */
.impact-grid--centered {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 24px;
}
.impact-grid--centered .impact-cell {
  flex: 0 0 auto;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
  border-left: 1px solid var(--rule);
  min-width: 200px;
}
.impact-grid--centered .impact-cell:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.impact-grid--centered .impact-meta { width: 100%; align-items: center; }
.impact-grid--centered .impact-meta p { max-width: 24ch; }

@media (max-width: 800px) {
  .impact-grid { grid-template-columns: 1fr; gap: 32px; }
  .impact-grid--centered { gap: 20px; }
  .impact-cell { border-left: 0; padding-left: 0; }
  .impact-grid--centered .impact-cell { padding: 28px 24px; flex: 1 1 100%; }
}

/* ============================================================================
   FAMILY
   ============================================================================ */
.family-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; }
.family-photo { position: relative; aspect-ratio: 4/5; }
.family-photo-badge { position: absolute; left: 18px; bottom: 18px; padding: 8px 14px; background: oklch(0.97 0.01 80 / 0.92); border-radius: 999px; font: 500 12px/1 var(--font-sans); color: var(--ink); border: 1px solid var(--rule); }
.family-copy h2 { font: 400 clamp(36px, 4.4vw, 64px)/1.1 var(--font-display); letter-spacing: -0.025em; margin: 12px 0 18px; max-width: 15ch; }
.family-copy h2 em { color: var(--brand-700); font-style: italic; }
.family-copy p { color: var(--ink-2); font-size: 17px; line-height: 1.6; max-width: 48ch; }
.family-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.family-card { padding: 24px; background: var(--bg-paper); border: 1px solid var(--rule); border-radius: var(--radius-lg); }
.family-card__ic { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-100); color: var(--brand-700); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.family-card h4 { font: 400 22px/1.1 var(--font-display); letter-spacing: -0.02em; color: var(--ink); margin: 0 0 6px; }
.family-card p { font: 400 13px/1.45 var(--font-sans); color: var(--ink-2); max-width: 24ch; }
@media (max-width: 900px) {
  .family-grid { grid-template-columns: 1fr; gap: 40px; }
  .family-photo { aspect-ratio: 4/3; }
  .family-cards { grid-template-columns: 1fr; }
}

/* ============================================================================
   DONATE
   ============================================================================ */
.donate { background: var(--bg-paper); }
.donate-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: stretch; }
.donate-grid > * { min-width: 0; }
.donate-cols { display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.donate-cols .donate-card { flex: 1; }

.donate-card { padding: 32px; background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius-xl); }
.donate-card__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.donate-card__head h3 { font: 400 32px/1.15 var(--font-display); letter-spacing: -0.02em; color: var(--ink); margin: 6px 0 0; }
.donate-card__head .price { font: 400 36px/1 var(--font-display); color: var(--brand-700); letter-spacing: -0.02em; white-space: nowrap; }
.donate-card__head .price small { font: 400 13px/1 var(--font-sans); color: var(--ink-2); margin-left: 4px; letter-spacing: 0; }
.donate-hint { font: 400 13px/1.5 var(--font-sans); color: var(--ink-2); margin-top: 14px; max-width: 56ch; }
.donate-hint strong { color: var(--ink); font-weight: 500; }

.donate-copy { font: 400 14.5px/1.6 var(--font-sans); color: var(--ink-2); margin-top: 14px; max-width: 64ch; }
.donate-copy strong { color: var(--ink); font-weight: 500; }
.donate-copy--note {
  margin-top: 12px;
  padding: 14px 16px;
  background: var(--brand-100);
  border-left: 3px solid var(--brand-700);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 13.5px;
}

.food-blurb {
  margin-top: 18px;
  padding: 14px 18px;
  background: var(--bg-paper);
  border: 1px dashed var(--brand-300);
  border-radius: var(--radius-md);
  font: 400 14px/1.5 var(--font-sans);
  color: var(--ink-2);
  max-width: none;
}
.food-blurb.flash { animation: blurb-flash 480ms var(--ease-emphasis); }
@keyframes blurb-flash {
  0%   { background: var(--brand-100); transform: translateY(2px); }
  100% { background: var(--bg-paper); transform: translateY(0); }
}

.food-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.food-opt {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--dur-base), background var(--dur-base);
  position: relative;
}
.food-opt:hover { border-color: var(--brand-300); }
.food-opt.on { border-color: var(--brand-700); background: var(--brand-100); }
.food-opt input { position: absolute; opacity: 0; pointer-events: none; }
.food-emoji { font-size: 24px; line-height: 1; width: 28px; text-align: center; }
.food-text { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.food-text strong { font: 500 15px/1.2 var(--font-sans); color: var(--ink); }
.food-text small { font: 400 12px/1.2 var(--font-sans); color: var(--ink-2); }
.food-radio { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--brand-300); flex: 0 0 18px; }
.food-opt.on .food-radio { background: var(--brand-700); border-color: var(--brand-700); box-shadow: inset 0 0 0 3px var(--brand-100); }


.size-row { display: flex; align-items: center; gap: 18px; margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--rule); flex-wrap: wrap; }
.size-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.size-pill { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--rule); background: var(--bg); font: 500 13px/1 var(--font-sans); color: var(--ink); cursor: pointer; }
.size-pill.on { background: var(--brand-700); color: var(--bg); border-color: var(--brand-700); }

.amt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 20px; }
.amt-pill { padding: 16px; border-radius: var(--radius-md); border: 1px solid var(--rule); background: var(--bg); font: 500 16px/1 var(--font-sans); letter-spacing: -0.01em; color: var(--ink); cursor: pointer; transition: var(--dur-base); }
.amt-pill:hover { border-color: var(--brand-300); }
.amt-pill.on { background: var(--brand-700); color: var(--bg); border-color: var(--brand-700); }
.amt-other { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; padding: 0 14px; background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius-md); }
.amt-other span { font: 500 14px/1 var(--font-mono); color: var(--ink-2); }
.amt-other input { flex: 1; padding: 14px 0; border: 0; background: transparent; outline: 0; font: 400 16px/1 var(--font-sans); color: var(--ink); }

/* Summary card (dark) */
.donate-summary { display: flex; }
.summary-card {
  padding: 28px;
  background: var(--bg-deep);
  color: var(--ink-on-dark);
  border-radius: var(--radius-xl);
  width: 100%;
  display: flex;
  flex-direction: column;
}
.summary-card .summary-methods { margin-top: auto; }
.summary-card .eyebrow { color: var(--ink-on-dark-2); opacity: 0.8; }
.summary-card h4 { font: 400 28px/1.15 var(--font-display); letter-spacing: -0.02em; color: var(--ink-on-dark); margin: 6px 0 18px; }
.summary-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.summary-item { display: grid; grid-template-columns: 1fr auto; gap: 10px 12px; padding: 12px 0; border-top: 1px dashed var(--rule-dark); align-items: start; transition: opacity var(--dur-base); }
.summary-item:first-child { border-top: 0; padding-top: 4px; }
.summary-item.off { opacity: 0.35; }
.summary-toggle { width: 24px; height: 24px; border-radius: 50%; background: transparent; border: 1px solid var(--rule-dark); color: var(--ink-on-dark); font: 500 14px/1 var(--font-sans); cursor: pointer; }
.summary-item__t { font: 500 14px/1.3 var(--font-sans); color: var(--ink-on-dark); }
.summary-item__m { font: 400 11px/1.3 var(--font-sans); color: var(--ink-on-dark-2); opacity: 0.8; margin-top: 2px; }
.summary-item__p { font: 500 14px/1.3 var(--font-mono); color: var(--ink-on-dark); align-self: start; }
.summary-total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 14px; padding-top: 16px; border-top: 1px solid var(--rule-dark); }
.summary-total__v { font: 400 40px/1 var(--font-display); letter-spacing: -0.025em; color: var(--ink-on-dark); }
.summary-total__v small { font-size: 0.4em; color: var(--ink-on-dark-2); margin-right: 4px; letter-spacing: 0; }
.summary-finish { margin-top: 18px; width: 100%; justify-content: center; padding: 16px 18px; }
.summary-lock-note { font: 400 12px/1.5 var(--font-sans); color: #E0B070; margin-top: 12px; max-width: none; }
.summary-lock-note strong { color: #F1CFB9; font-weight: 500; }
.summary-methods { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--rule-dark); }
.methods { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.methods .method { padding: 5px 10px; border: 1px solid var(--rule-dark); border-radius: 999px; font: 500 11px/1 var(--font-mono); color: var(--ink-on-dark-2); text-transform: uppercase; letter-spacing: 0.1em; }

.summary-secure {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font: 400 12px/1.4 var(--font-sans);
  color: var(--ink-on-dark-2);
}
.summary-secure svg { color: var(--brand-300); flex: 0 0 14px; }

.summary-powered {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  margin-top: 10px;
  padding: 6px 12px;
  border: 1px solid var(--rule-dark);
  border-radius: 999px;
  font: 400 11px/1 var(--font-sans);
  color: var(--ink-on-dark-2);
}
.summary-powered span { letter-spacing: 0.02em; }
.summary-powered strong { font-weight: 600; color: var(--ink-on-dark); letter-spacing: -0.005em; }

@media (max-width: 980px) {
  .donate-grid { grid-template-columns: 1fr; }
  .donate-summary { position: static; }
}
@media (max-width: 700px) {
  .food-grid, .amt-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================================
   MODAL (Pagamento Mercado Pago Brick)
   ============================================================================ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: oklch(0.2 0.03 60 / 0.55);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: none;
  align-items: center; justify-content: center;
  padding: 24px;
}
.modal-backdrop.open { display: flex; animation: fade-in 200ms var(--ease-standard); }
.modal {
  background: var(--bg);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow-xl);
  animation: pop-in 280ms var(--ease-emphasis);
}
@keyframes fade-in { from { opacity: 0; } }
@keyframes pop-in { from { opacity: 0; transform: translateY(12px); } }
.modal__head { display: flex; justify-content: space-between; align-items: start; padding: 24px 24px 16px; border-bottom: 1px solid var(--rule); }
.modal__head .eyebrow { display: block; }
.modal__head h3 { font: 400 26px/1.1 var(--font-display); letter-spacing: -0.02em; color: var(--ink); margin: 4px 0 0; }
.modal-close { background: transparent; border: 0; padding: 4px; cursor: pointer; color: var(--ink-2); }
.modal__body { padding: 16px 24px 24px; min-height: 200px; }
.modal__loader { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 32px 0; color: var(--ink-2); font: 400 14px/1 var(--font-sans); }
.modal__loader.hidden { display: none; }
.spinner { width: 18px; height: 18px; border: 2px solid var(--rule); border-top-color: var(--brand-700); border-radius: 50%; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Success state */
.modal--success { max-width: 540px; overflow: hidden; }
.success-art { background: var(--brand-700); padding: 48px 24px 36px; display: flex; align-items: center; justify-content: center; }
.success-art__ring { width: 84px; height: 84px; border-radius: 50%; background: var(--bg); color: var(--brand-700); display: flex; align-items: center; justify-content: center; box-shadow: 0 0 0 8px oklch(0.97 0.01 80 / 0.25); animation: pop-in 480ms var(--ease-emphasis); }
.success-body { padding: 32px 32px 28px; }
.success-body h3 { font: 400 32px/1.15 var(--font-display); letter-spacing: -0.02em; color: var(--ink); margin: 8px 0 12px; max-width: 18ch; }
.success-body h3 em { color: var(--brand-700); font-style: italic; }
.success-body p { font: 400 15px/1.55 var(--font-sans); color: var(--ink-2); max-width: 44ch; }
.success-body p strong { color: var(--ink); font-weight: 500; }
.success-code { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 18px; margin-top: 20px; background: var(--bg-paper); border: 1px dashed var(--brand-300); border-radius: var(--radius-md); }
.success-code .eyebrow { display: block; margin-bottom: 4px; }
.success-code code { font: 500 18px/1 var(--font-mono); letter-spacing: 0.04em; color: var(--ink); }
.success-code .btn { padding: 8px 12px; font-size: 12px; }
.success-steps { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.success-steps li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; padding-top: 14px; border-top: 1px dashed var(--rule); }
.success-steps li:first-child { padding-top: 0; border-top: 0; }
.success-steps .num { width: 24px; height: 24px; border-radius: 50%; background: var(--brand-700); color: var(--bg); display: flex; align-items: center; justify-content: center; font: 500 12px/1 var(--font-mono); }
.success-steps strong { display: block; font: 500 14px/1.3 var(--font-sans); color: var(--ink); margin-bottom: 2px; }
.success-steps span { font: 400 13px/1.4 var(--font-sans); color: var(--ink-2); }
.success-actions { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }

/* ============================================================================
   COLLECTION POINT
   ============================================================================ */
.coleta-card { display: grid; grid-template-columns: 1.05fr 1fr; gap: 0; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--rule); background: var(--bg-paper); }
.coleta-body { padding: 40px; }
.coleta-body h3 { font: 400 32px/1.15 var(--font-display); letter-spacing: -0.02em; color: var(--ink); margin: 6px 0 22px; }
.coleta-info { display: flex; flex-direction: column; gap: 16px; }
.coleta-row { display: grid; grid-template-columns: 18px 1fr; gap: 14px; padding: 14px 0; border-top: 1px dashed var(--rule); }
.coleta-row:first-child { border-top: 0; padding-top: 0; }
.coleta-row svg { color: var(--brand-700); }
.coleta-row strong { display: block; font: 500 15px/1.3 var(--font-sans); color: var(--ink); margin-bottom: 2px; }
.coleta-row span { font: 400 13px/1.4 var(--font-sans); color: var(--ink-2); }

a.coleta-row--link {
  text-decoration: none;
  color: inherit;
  transition: color var(--dur-base) var(--ease-standard);
}
a.coleta-row--link:hover strong { color: var(--brand-700); }
a.coleta-row--link:hover svg { color: var(--brand-900); }
.coleta-map { position: relative; min-height: 360px; overflow: hidden; background: var(--bg-paper); }
.coleta-map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 900px) {
  .coleta-card { grid-template-columns: 1fr; }
  .coleta-body { padding: 28px; }
  .coleta-map { min-height: 240px; }
}

/* ============================================================================
   PROJECTS
   ============================================================================ */
.projects { background: var(--bg-paper); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project-card {
  --tone: var(--brand-700);
  --tone-soft: oklch(0.55 0.07 60 / 0.18);
  background: var(--bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--tone);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 280ms var(--ease-standard), box-shadow 280ms;
  box-shadow: 0 1px 2px oklch(0.2 0.03 60 / 0.05);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px var(--tone-soft), 0 4px 8px oklch(0.2 0.03 60 / 0.06);
}

/* tons (custom property pra usar em border-top + shadow) */
.project-card.tone-moss  { --tone: var(--moss);       --tone-soft: oklch(0.5  0.07 130 / 0.22); }
.project-card.tone-brown { --tone: var(--brand-700);  --tone-soft: oklch(0.5  0.06 70  / 0.22); }
.project-card.tone-terra { --tone: var(--terracotta); --tone-soft: oklch(0.62 0.13 40  / 0.25); }

.project-card__media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--brand-200);
}
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 480ms var(--ease-standard);
}
.project-card:hover .project-card__media img { transform: scale(1.03); }

.project-card__body { padding: 24px 28px 28px; display: flex; flex-direction: column; gap: 14px; flex: 1; }

.project-card__head { display: flex; align-items: center; gap: 14px; }
.project-card__title { display: flex; flex-direction: column; gap: 4px; min-width: 0; }

.project-mark {
  flex: 0 0 auto;
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font: 400 20px/1 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--bg);
  background: var(--tone);
}

.project-card h3 { font: 400 24px/1.15 var(--font-display); letter-spacing: -0.02em; color: var(--ink); margin: 0; }
.project-tag { font: 500 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-2); }
.project-card p {
  font: 400 14px/1.55 var(--font-sans);
  color: var(--ink-2);
  max-width: 38ch;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  margin: 0;
}
@media (max-width: 980px) { .projects-grid { grid-template-columns: 1fr; } }

/* ============================================================================
   FINAL CTA
   ============================================================================ */
.cta-final { background: var(--bg-deep); color: var(--ink-on-dark); }
.cta-final__inner {
  padding: 64px 0;
  max-width: 840px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.cta-final h2 { font: 400 clamp(48px, 6.5vw, 96px)/1.05 var(--font-display); letter-spacing: -0.03em; color: var(--ink-on-dark); margin: 14px 0 18px; }
.cta-final h2 em { color: var(--brand-300); font-style: italic; }
.cta-final p { font: 400 18px/1.55 var(--font-sans); color: var(--ink-on-dark-2); max-width: 48ch; }
.cta-final__actions { display: flex; gap: 16px; align-items: center; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
.cta-final__strip {
  display: flex; gap: 14px;
  margin-top: 56px; padding-top: 24px;
  width: 100%;
  border-top: 1px solid var(--rule-dark);
  font: 500 12px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--ink-on-dark-2);
  flex-wrap: wrap;
  justify-content: center;
}
.cta-final__logos {
  width: 100%;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--rule-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.cta-final__logos img {
  display: block;
  width: 100%;
  max-width: 720px;
  height: auto;
  background: transparent;
}

/* ============================================================================
   FOOTER
   ============================================================================ */
.footer { background: var(--bg-deep); color: var(--ink-on-dark); padding: 56px 0 28px; border-top: 1px solid var(--rule-dark); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 48px; }
.footer-brand { max-width: 36ch; }
.footer-logo { display: flex; align-items: center; margin-bottom: 16px; }
.footer-logo .logo-img { height: 32px; width: auto; }
.footer-brand p { font: 400 14px/1.55 var(--font-sans); color: var(--ink-on-dark-2); }
.footer-meta { display: flex; flex-direction: column; gap: 4px; margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--rule-dark); }
.footer-meta span { font: 400 13px/1.4 var(--font-sans); color: var(--ink-on-dark-2); }
.footer-meta .eyebrow { color: var(--brand-300); }
.footer-col .eyebrow { color: var(--brand-300); margin-bottom: 18px; display: block; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font: 400 14px/1.3 var(--font-sans); color: var(--ink-on-dark); text-decoration: none; }
.footer-col a:hover { color: var(--brand-300); }
.footer-col p { font: 400 14px/1.55 var(--font-sans); color: var(--ink-on-dark-2); }

.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 10px 16px;
  background: transparent;
  color: var(--ink-on-dark);
  border: 1px solid var(--rule-dark);
  border-radius: var(--radius-pill);
  font: 500 13px/1 var(--font-sans);
  text-decoration: none;
  transition: background var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard),
              color var(--dur-base) var(--ease-standard);
}
.footer-social svg { color: var(--brand-300); transition: color var(--dur-base); }
.footer-social:hover {
  background: var(--brand-700);
  border-color: var(--brand-700);
  color: var(--bg);
}
.footer-social:hover svg { color: var(--bg); }
.footer-bottom { display: flex; justify-content: center; align-items: center; text-align: center; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--rule-dark); font: 400 12px/1 var(--font-mono); color: var(--ink-on-dark-2); flex-wrap: wrap; gap: 12px; }
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================================
   FAB mobile
   ============================================================================ */
.fab-donate { display: none; position: fixed; right: 18px; bottom: 18px; z-index: 90; background: var(--brand-700); color: var(--bg); padding: 14px 22px; border-radius: 999px; font: 500 14px/1 var(--font-sans); text-decoration: none; box-shadow: var(--shadow-lg); }
@media (max-width: 720px) { .fab-donate { display: inline-flex; align-items: center; gap: 8px; } }

/* ============================================================================
   TOAST
   ============================================================================ */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  padding: 12px 20px;
  background: var(--bg-deep);
  color: var(--ink-on-dark);
  border-radius: 999px;
  font: 500 14px/1 var(--font-sans);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms, transform 200ms;
  z-index: 400;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* ============================================================================
   LIGHTBOX
   ============================================================================ */
.lightbox {
  display: none;
  position: fixed; inset: 0;
  background: oklch(0.1 0.03 60 / 0.92);
  z-index: 500;
  align-items: center; justify-content: center;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); }

/* ============================================================================
   FADE-IN ON SCROLL
   ============================================================================ */
.fade-in { opacity: 0; transform: translateY(8px); transition: opacity 700ms var(--ease-emphasis), transform 700ms var(--ease-emphasis); }
.fade-in.in { opacity: 1; transform: none; }