/* =========================================================================
   BIASHARA FORUM — Design System
   Palette derived from the Tanzanian flag, reinterpreted for a premium
   business-growth platform. Typeface: Manrope throughout.
   ========================================================================= */

:root {
  /* --- Brand colors -------------------------------------------------- */
  --green-900:  #0d1b2a;
  --green-700: #162032;
  --green-600: #1a2f4b;
  --green-500: #1a2f4b;
  --green-100: #E6F2E7;
  --green-50:  #F2F8F2;

  --blue-700: #1565C0;
  --blue-600: #1976D2;
  --blue-100: #E7F1FC;
  --blue-50:  #F3F8FE;

  --gold-600: #E0940F;
  --gold-500: #F9A825;
  --gold-400: #FBC02D;
  --gold-100: #FDF0D5;
  --gold-50:  #FEF8EC;

  --ink-900: #111111;
  --ink-700: #37403A;
  --ink-500: #667069;
  --ink-300: #A8B1AA;

  --paper-0:  #f4f7fb;
  --paper-50: #f4f7fb;
  --paper-100: #ffffff;
  --line: #ffffff;

  /* --- Type ------------------------------------------------------------ */
  --font-display: 'Manrope', sans-serif;
  --font-body: 'Manrope', sans-serif;

  /* --- Shape / motion ---------------------------------------------------*/
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 12px 32px -18px rgba(17, 17, 17, 0.28);
  --shadow-lift: 0 20px 48px -20px rgba(18, 51, 25, 0.35);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper-0);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; line-height: 1.12; letter-spacing: -0.01em; }

p { margin: 0; }

:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- Layout helpers ------------------------------------------------------*/

.wrap {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 24px;
}

@media (min-width: 768px) { .wrap { padding-inline: 40px; } }
@media (min-width: 1280px) { .wrap { padding-inline: 56px; } }

.section { padding-block: 72px; }
@media (min-width: 1024px) { .section { padding-block: 108px; } }

.section--tint { background: var(--green-50); }
.section--tint-blue { background: var(--blue-50); }
.section--tint-gold { background: var(--gold-50); }
.section--dark { background: var(--ink-900); color: var(--paper-0); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gold-500);
  display: inline-block;
}
.section--dark .eyebrow { color: var(--gold-400); }

.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head--center { max-width: 680px; margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; }
.section-head p { margin-top: 14px; font-size: 17px; color: var(--ink-500); }
.section--dark .section-head p { color: #C9D2CB; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* --- Buttons ---------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary { background: var(--gold-500); color: var(--ink-900); box-shadow: var(--shadow-soft); }
.btn--primary:hover { background: var(--gold-400); }

.btn--dark { background: var(--green-700); color: var(--paper-0); }
.btn--dark:hover { background: var(--green-600); }

.btn--outline { background: transparent; border-color: currentColor; color: var(--ink-900); }
.btn--outline:hover { background: var(--ink-900); color: var(--paper-0); }

.btn--outline-light { background: transparent; border-color: rgba(255,255,255,.55); color: var(--paper-0); }
.btn--outline-light:hover { background: var(--paper-0); color: var(--ink-900); }

.btn--sm { padding: 10px 20px; font-size: 13.5px; }
.btn--block { width: 100%; }

/* --- Top announcement bar --------------------------------------------- */

.topbar {
  background: var(--ink-900);
  color: var(--paper-0);
  font-size: 13px;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 9px;
}
.topbar__msg { font-weight: 600; color: var(--gold-400); }
.topbar__right { display: none; align-items: center; gap: 18px; color: #C9D2CB; }
.topbar__right a:hover { color: var(--paper-0); }
@media (min-width: 768px) { .topbar__right { display: flex; } }
.topbar__socials { display: flex; gap: 12px; }
.topbar__socials svg { width: 14px; height: 14px; }

/* --- Navbar ------------------------------------------------------------*/

.navbar {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.navbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, var(--green-700), var(--blue-700) 55%, var(--gold-500));
  position: relative; flex-shrink: 0;
}
.brand__mark::after {
  content: "";
  position: absolute; inset: 9px;
  border-radius: 5px;
  background: var(--paper-0);
  clip-path: polygon(0 100%, 0 55%, 40% 0, 100% 0, 100% 45%, 60% 100%);
}
.brand__name { font-family: var(--font-display); font-weight: 800; font-size: 18px; line-height: 1.05; }
.brand__name span { display: block; }
.brand__name .accent { color: var(--green-700); }

.nav-links { display: none; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-weight: 600; font-size: 14.5px; color: var(--ink-700); position: relative; padding-block: 6px; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--gold-500); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav-links a:hover { color: var(--ink-900); }
.nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); }
.nav-links a.is-active { color: var(--ink-900); }
@media (min-width: 1080px) { .nav-links { display: flex; } }

.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-cta { display: none; }
@media (min-width: 1080px) { .nav-cta { display: inline-flex; } }

.hamburger {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--paper-0); cursor: pointer; padding: 0; align-items: center;
}
@media (min-width: 1080px) { .hamburger { display: none; } }
.hamburger span { width: 18px; height: 2px; background: var(--ink-900); transition: transform .25s var(--ease), opacity .25s var(--ease); }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 76px 0 0 0; z-index: 55;
  background: var(--paper-0);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu .wrap { padding-block: 24px; display: flex; flex-direction: column; gap: 4px; }
.mobile-menu a {
  font-size: 20px; font-weight: 700; padding: 14px 4px; border-bottom: 1px solid var(--line);
}
.mobile-menu .btn { margin-top: 20px; }
@media (min-width: 1080px) { .mobile-menu { display: none; } }

/* --- Hero --------------------------------------------------------------*/

.hero {
  position: relative;
  background: linear-gradient(180deg, var(--green-50) 0%, var(--paper-0) 78%);
  overflow: hidden;
  padding-block: 56px 88px;
}
@media (min-width: 1024px) { .hero { padding-block: 84px 120px; } }

.hero__grid {
  display: grid; gap: 44px; align-items: center;
}
@media (min-width: 1024px) { .hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; } }

.hero__eyebrow { animation: fadeUp .7s var(--ease) both; }
.hero h1 {
  font-size: clamp(34px, 5.6vw, 60px);
  font-weight: 800;
  animation: fadeUp .7s var(--ease) .08s both;
}
.hero h1 .hl { color: var(--green-700); }
.hero p.lead {
  margin-top: 20px; font-size: 18px; color: var(--ink-500); max-width: 52ch;
  animation: fadeUp .7s var(--ease) .16s both;
}
.hero__actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px; animation: fadeUp .7s var(--ease) .24s both; }

.hero__visual { position: relative; animation: fadeIn 1s var(--ease) .2s both; }
.hero__frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/4.3; box-shadow: var(--shadow-lift);
}
.hero__badge {
  position: absolute; left: -16px; bottom: 28px;
  background: var(--paper-0); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift); padding: 16px 20px;
  display: flex; align-items: center; gap: 12px;
  animation: floatY 5s ease-in-out infinite;
}
@media (min-width: 640px) { .hero__badge { left: -28px; } }
.hero__badge strong { display: block; font-size: 20px; }
.hero__badge span { font-size: 12.5px; color: var(--ink-500); }
.hero__badge-dot { width: 40px; height: 40px; border-radius: 50%; background: var(--gold-100); display: flex; align-items: center; justify-content: center; color: var(--gold-600); flex-shrink: 0; }

.hero__ring {
  position: absolute; top: -30px; right: -30px; width: 140px; height: 140px;
  border: 2px dashed var(--gold-400); border-radius: 50%; opacity: .55;
  animation: spin 30s linear infinite;
}

/* Signature growth-path motif */
.growth-path { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .5; }
.growth-path path { stroke-dasharray: 6 10; stroke: var(--green-500); }
.growth-path circle { fill: var(--gold-500); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Photo placeholder (used until real photography is dropped in) ---- */

.ph {
  position: relative;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--green-700), var(--blue-700) 60%, var(--gold-500));
  background-size: 220% 220%;
  display: flex; align-items: flex-end;
  color: var(--paper-0);
  overflow: hidden;
}
.ph::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,.18), transparent 45%),
    radial-gradient(circle at 80% 85%, rgba(0,0,0,.18), transparent 50%);
}
.ph__label {
  position: relative; z-index: 1; font-size: 12.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  padding: 14px 16px; opacity: .92;
}
.ph--a { background: linear-gradient(135deg, var(--green-700), var(--green-500) 70%); }
.ph--b { background: linear-gradient(135deg, var(--blue-700), var(--green-600) 70%); }
.ph--c { background: linear-gradient(135deg, var(--gold-600), var(--green-700) 70%); }
.ph--d { background: linear-gradient(135deg, var(--ink-900), var(--blue-700) 70%); }

/* --- Cards ---------------------------------------------------------------*/

.card {
  background: var(--paper-0);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }

.icon-tile {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--green-100); color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--ink-500); font-size: 15px; }

.tag {
  display: inline-flex; align-items: center; padding: 5px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .02em; text-transform: uppercase;
}
.tag--green { background: var(--green-100); color: var(--green-700); }
.tag--blue { background: var(--blue-100); color: var(--blue-700); }
.tag--gold { background: var(--gold-100); color: var(--gold-600); }

/* Opportunity card */
.opp-card { display: flex; flex-direction: column; height: 100%; }
.opp-card__media { border-radius: var(--radius-sm); aspect-ratio: 16/10; overflow: hidden; margin-bottom: 18px; }
.opp-card__meta { display: flex; align-items: center; gap: 14px; margin-top: 16px; font-size: 13px; color: var(--ink-500); flex-wrap: wrap; }
.opp-card__meta span { display: inline-flex; align-items: center; gap: 6px; }
.opp-card__footer { margin-top: auto; padding-top: 18px; display: flex; align-items: center; justify-content: space-between; }
.opp-card__link { font-weight: 700; font-size: 14px; color: var(--green-700); display: inline-flex; align-items: center; gap: 6px; }

/* Event card */
.event-card { overflow: hidden; padding: 0; }
.event-card__media { aspect-ratio: 16/10; }
.event-card__body { padding: 22px; }
.event-card__date { font-weight: 700; color: var(--green-700); font-size: 13px; margin-bottom: 8px; }

/* Featured event */
.feature-event {
  border-radius: var(--radius-lg); overflow: hidden; position: relative;
  color: var(--paper-0); min-height: 380px; display: flex; align-items: flex-end;
}
.feature-event::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.72), rgba(0,0,0,.1) 60%); }
.feature-event__body { position: relative; z-index: 1; padding: 40px; max-width: 640px; }
.feature-event__body h3 { font-size: clamp(26px, 3.4vw, 38px); margin: 10px 0 12px; }

/* Program card */
.program-card { display: flex; flex-direction: column; }

/* Statistics */
.stat { text-align: center; }
.stat__value { font-size: clamp(34px, 4.4vw, 52px); font-weight: 800; color: var(--paper-0); font-family: var(--font-display); }
.stat__label { margin-top: 8px; color: #C9D2CB; font-size: 14.5px; font-weight: 600; }
.stats-note { text-align: center; margin-top: 36px; font-size: 13px; color: #93a196; }

/* Success stories */
.story-card { display: flex; flex-direction: column; }
.story-card__avatar { width: 64px; height: 64px; border-radius: 50%; overflow: hidden; margin-bottom: 18px; }
.story-card blockquote { font-size: 17px; font-weight: 600; margin: 0 0 14px; }
.story-card cite { font-style: normal; color: var(--ink-500); font-size: 14px; }

/* Gallery */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.gallery-filters button {
  padding: 9px 18px; border-radius: 999px; border: 1.5px solid var(--line);
  background: var(--paper-0); font-weight: 700; font-size: 13.5px; cursor: pointer;
  transition: all .2s var(--ease);
}
.gallery-filters button.is-active, .gallery-filters button:hover { background: var(--green-700); color: var(--paper-0); border-color: var(--green-700); }

.gallery-grid { column-count: 1; column-gap: 20px; }
@media (min-width: 640px) { .gallery-grid { column-count: 2; } }
@media (min-width: 1024px) { .gallery-grid { column-count: 3; } }
.gallery-item { break-inside: avoid; margin-bottom: 20px; border-radius: var(--radius-md); overflow: hidden; position: relative; cursor: zoom-in; }
.gallery-item .ph { aspect-ratio: 4/5; }
.gallery-item:nth-child(3n+1) .ph { aspect-ratio: 4/3; }
.gallery-item__overlay {
  position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.75), transparent 55%);
  display: flex; align-items: flex-end; padding: 18px; opacity: 0; transition: opacity .25s var(--ease);
}
.gallery-item:hover .gallery-item__overlay, .gallery-item:focus-within .gallery-item__overlay { opacity: 1; }
.gallery-item__overlay strong { display: block; font-size: 15px; }
.gallery-item__overlay span { font-size: 12px; opacity: .85; }

.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(10,12,10,.92);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  opacity: 0; pointer-events: none; transition: opacity .25s var(--ease);
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox__frame { width: min(720px, 100%); aspect-ratio: 4/3; border-radius: var(--radius-md); overflow: hidden; }
.lightbox__close { position: absolute; top: 24px; right: 24px; color: var(--paper-0); background: rgba(255,255,255,.12); border: none; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; font-size: 20px; }
.lightbox__caption { position: absolute; bottom: 30px; left: 0; right: 0; text-align: center; color: var(--paper-0); font-weight: 600; }

/* Split section (youth & women) */
.split { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .split { grid-template-columns: 1fr 1fr; gap: 64px; } }
.split__media { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3.6; }
.split__block { padding: 22px 0; border-top: 1px solid var(--line); }
.split__block:first-of-type { border-top: none; padding-top: 0; }
.split__block h3 { font-size: 20px; margin-bottom: 8px; }
.split__block p { color: var(--ink-500); }

/* CTA band */
.cta-band {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--green-900), var(--green-700) 60%, var(--blue-700));
  color: var(--paper-0); padding: 56px 32px; text-align: center; position: relative; overflow: hidden;
}
@media (min-width: 768px) { .cta-band { padding: 76px 60px; } }
.cta-band h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; }
.cta-band p { margin-top: 14px; color: #D7E2D9; max-width: 56ch; margin-inline: auto; }
.cta-band__actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* Register pathways */
.pathway { text-align: left; }
.pathway__icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }

/* Accordion / FAQ */
.accordion-item { border-bottom: 1px solid var(--line); }
.accordion-item summary {
  cursor: pointer; list-style: none; padding: 20px 0; font-weight: 700; font-size: 16.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary .plus { flex-shrink: 0; transition: transform .25s var(--ease); }
.accordion-item[open] summary .plus { transform: rotate(45deg); }
.accordion-item p { padding-bottom: 20px; color: var(--ink-500); max-width: 68ch; }

/* Footer */
.footer { background: var(--ink-900); color: #C9D2CB; padding-block: 64px 28px; }
.footer .wrap { display: grid; gap: 44px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .footer .wrap { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer h4 { color: var(--paper-0); font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 18px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.footer a:hover { color: var(--paper-0); }
.footer__brand p { margin-top: 14px; max-width: 34ch; font-size: 14.5px; }
.footer__socials { display: flex; gap: 10px; margin-top: 22px; }
.footer__socials a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid #34403A; display: flex; align-items: center; justify-content: center; transition: all .2s var(--ease); }
.footer__socials a:hover { background: var(--gold-500); border-color: var(--gold-500); color: var(--ink-900); }
.footer__bottom {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid #2B342E;
  display: flex; flex-direction: column; gap: 12px; font-size: 13px; color: #8A968D;
}
@media (min-width: 640px) { .footer__bottom { flex-direction: row; justify-content: space-between; } }
.footer__bottom-links { display: flex; gap: 20px; }

/* Search / filter bar (opportunities page) */
.filter-bar {
  background: var(--paper-0); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 20px; display: grid; gap: 14px; margin-bottom: 40px; box-shadow: var(--shadow-soft);
}
@media (min-width: 860px) { .filter-bar { grid-template-columns: 2fr 1fr 1fr auto; align-items: end; } }
.field label { display: block; font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-500); margin-bottom: 8px; }
.field input, .field select {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--line);
  font-family: var(--font-body); font-size: 14.5px; background: var(--paper-50);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--green-700); }

/* Breadcrumb / page header */
.page-hero {
  background: var(--green-900); color: var(--paper-0); padding-block: 64px 56px; position: relative; overflow: hidden;
}
.page-hero .eyebrow { color: var(--gold-400); }
.page-hero h1 { font-size: clamp(32px, 5vw, 48px); font-weight: 800; }
.page-hero p { margin-top: 16px; max-width: 60ch; color: #CFDACF; font-size: 17px; }

/* Sponsor tier row */
.tier-row { margin-bottom: 48px; }
.tier-row__head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.tier-row__head h3 { font-size: 20px; }
.tier-row__head .tag { flex-shrink: 0; }
.logo-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
@media (min-width: 640px) { .logo-row { grid-template-columns: repeat(4,1fr); } }
.logo-chip {
  border: 1.5px dashed var(--line); border-radius: var(--radius-sm); padding: 22px 12px;
  text-align: center; font-weight: 700; color: var(--ink-500); font-size: 13.5px; background: var(--paper-50);
}

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Utility */
.mt-0 { margin-top: 0 !important; }
.text-center { text-align: center; }
.container-narrow { max-width: 780px; margin-inline: auto; }