/* OpenPrim public about — promo presentation */
:root {
  --sea-deep: #0B4F8C;
  --sea-mid: #1A7ABF;
  --ocean: #2B9DE0;
  --foam: #B8E8FF;
  --sky: #E8F6FF;
  --ink: #0F2F4A;
  --muted: #4A6F8A;
  --line: rgba(11, 79, 140, 0.12);
  --bg: #F5FBFF;
  --white: #FFFFFF;
  --sand: #F0F7FB;
  --ok: #0A7A5A;
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --wrap: min(1100px, calc(100% - 2.5rem));
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1000px 480px at 10% -5%, rgba(184, 232, 255, 0.5), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--sky) 40%, var(--bg) 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.about-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid var(--line);
}

.about-header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 3.75rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sea-deep);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.about-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  margin-left: auto;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--sea-deep);
}

.about-nav a:hover { color: var(--ocean); }

.about-header-actions {
  display: flex;
  gap: 0.45rem;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 800;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--sea-deep);
  color: #fff;
}
.btn-primary:hover { background: #094070; color: #fff; }

.btn-ghost {
  background: var(--foam);
  color: var(--sea-deep);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
}
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.28); color: #fff; }

.about-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 4.5rem 0 3.5rem;
  background:
    linear-gradient(165deg,
      #074A8C 0%,
      #0B5FA8 30%,
      #1A7ABF 58%,
      #3AA8E8 85%,
      #7FD0F5 100%);
}

.about-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 40% at 75% 15%, rgba(255, 255, 255, 0.28), transparent 70%),
    radial-gradient(ellipse 40% 35% at 15% 70%, rgba(184, 232, 255, 0.2), transparent 65%);
  animation: heroGlow 12s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  from { opacity: 0.85; }
  to { opacity: 1; }
}

.about-hero-content { position: relative; z-index: 1; max-width: 820px; }

.eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sea-mid);
}

.about-hero .eyebrow { color: rgba(255, 255, 255, 0.82); }

.hero-brand {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero-lead {
  margin: 0 0 1.4rem;
  font-size: clamp(1.02rem, 2.2vw, 1.2rem);
  max-width: 38rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 2rem;
}

.hero-kpi {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.kpi {
  padding: 0.85rem 0.95rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
}

.kpi-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.1;
}

.kpi-label {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
}

.section {
  padding: 4rem 0;
}

.section-tint {
  background: linear-gradient(180deg, rgba(232, 246, 255, 0.7), rgba(245, 251, 255, 0.95));
}

.section-title {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sea-deep);
  line-height: 1.2;
}

.section-lead {
  margin: 0 0 1.75rem;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 1.5rem;
}

.why-item {
  padding: 1.25rem 0 0.5rem;
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--ocean), var(--foam)) 1;
}

.why-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ocean);
  margin-bottom: 0.35rem;
}

.why-item h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--sea-deep);
}

.why-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.funnel-strip {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.funnel-strip li {
  position: relative;
  padding: 1.1rem 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 10px 28px rgba(11, 79, 140, 0.06);
}

.funnel-strip li::after {
  content: "→";
  position: absolute;
  right: -0.55rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ocean);
  font-weight: 800;
  z-index: 1;
}

.funnel-strip li:last-child::after { content: none; }

.funnel-stage {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sea-deep);
  margin-bottom: 0.25rem;
}

.funnel-hint {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.chart-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  padding: 1.1rem 1.15rem 1.25rem;
  box-shadow: 0 12px 32px rgba(11, 79, 140, 0.06);
}

.chart-title {
  margin: 0 0 0.75rem;
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--sea-deep);
}

.chart-wrap {
  position: relative;
  height: 260px;
}

.chart-note {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.35rem 1.5rem;
}

.platform-block {
  padding-top: 0.35rem;
}

.platform-block-wide {
  grid-column: 1 / -1;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.platform-icon {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--sea-mid);
  margin-bottom: 0.55rem;
}

.platform-block h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--sea-deep);
}

.platform-block p {
  margin: 0;
  color: var(--muted);
}

.shot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

.shot {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(11, 79, 140, 0.08);
}

.shot-wide { grid-column: 1 / -1; }

.shot img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  background: var(--sky);
}

.shot figcaption {
  padding: 0.75rem 1rem 0.95rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--sea-deep);
}

.shot-note {
  margin: 1.25rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.shot-note a {
  color: var(--sea-deep);
  font-weight: 800;
  text-decoration: underline;
}

.role-shot {
  margin: 0;
  width: 100%;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(11, 79, 140, 0.1);
}

.role-shot img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}

.role-band {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
}

.role-band:first-of-type { border-top: 0; }

.role-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.role-inner-flip .role-copy { order: 2; }
.role-inner-flip .role-visual { order: 1; }

.role-tag {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--foam);
  color: var(--sea-deep);
}

.role-participant .role-tag { background: #D6F0FF; }
.role-curator .role-tag { background: #C8EBD9; color: #0A5A40; }
.role-admin .role-tag { background: #FFE8C8; color: #8A4B00; }
.role-org .role-tag { background: #E8E8F0; color: #3A3A55; }

.role-copy h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  color: var(--sea-deep);
  line-height: 1.25;
}

.role-list {
  margin: 0 0 1.25rem;
  padding: 0 0 0 1.15rem;
  color: var(--muted);
}

.role-list li { margin: 0.35rem 0; }

.role-visual {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.infographic-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
}

.infographic-steps span {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--sea-deep), var(--ocean));
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  animation: stepPulse 3.5s ease-in-out infinite;
}

.infographic-steps span:nth-child(2) { animation-delay: 0.2s; }
.infographic-steps span:nth-child(3) { animation-delay: 0.4s; }
.infographic-steps span:nth-child(4) { animation-delay: 0.6s; }
.infographic-steps span:nth-child(5) { animation-delay: 0.8s; }

@keyframes stepPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.infographic-board {
  display: grid;
  gap: 0.55rem;
  width: 100%;
  max-width: 280px;
}

.infographic-board div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(11, 79, 140, 0.07);
}

.infographic-board strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--sea-deep);
}

.infographic-board span {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
}

.infographic-admin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  width: 100%;
  max-width: 300px;
}

.infographic-admin span {
  padding: 1rem 0.75rem;
  text-align: center;
  border-radius: 1rem;
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--sea-deep);
  background:
    linear-gradient(160deg, #fff 0%, var(--sky) 100%);
  border: 1px solid var(--line);
}

.infographic-soon {
  text-align: center;
  padding: 1.5rem 1.25rem;
  border-radius: 1.25rem;
  border: 2px dashed rgba(11, 79, 140, 0.28);
  background: rgba(255, 255, 255, 0.7);
}

.infographic-soon strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--sea-deep);
  margin-bottom: 0.35rem;
}

.infographic-soon span {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
}

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.compare-col {
  padding: 1.35rem 1.4rem;
  border-radius: 1.15rem;
}

.compare-before {
  background: #F4F6F8;
  border: 1px solid rgba(15, 47, 74, 0.1);
}

.compare-after {
  background: linear-gradient(160deg, #E8F8FF 0%, #D4F0E4 100%);
  border: 1px solid rgba(10, 122, 90, 0.2);
}

.compare-col h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--sea-deep);
}

.compare-after h3 { color: var(--ok); }

.compare-col ul {
  margin: 0;
  padding: 0 0 0 1.1rem;
  color: var(--muted);
}

.compare-col li { margin: 0.4rem 0; }

.about-cta {
  padding: 3.5rem 0;
  color: #fff;
  background:
    linear-gradient(145deg, #0B4F8C 0%, #1A7ABF 55%, #2B9DE0 100%);
}

.about-cta-inner { max-width: 40rem; }

.about-cta h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
}

.about-cta p {
  margin: 0 0 1.35rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
}

.about-footer {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.about-footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
}

.about-footer a {
  color: var(--sea-deep);
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .about-nav { display: none; }
  .hero-kpi { grid-template-columns: 1fr 1fr; }
  .why-grid,
  .charts-row,
  .platform-grid,
  .shot-grid,
  .compare,
  .role-inner {
    grid-template-columns: 1fr;
  }
  .shot-wide { grid-column: auto; }
  .funnel-strip {
    grid-template-columns: 1fr 1fr;
  }
  .funnel-strip li::after { content: none; }
  .role-inner-flip .role-copy,
  .role-inner-flip .role-visual { order: unset; }
}

@media (max-width: 560px) {
  .about-header-actions .btn-ghost { display: none; }
  .hero-actions .btn { width: 100%; }
  .funnel-strip { grid-template-columns: 1fr; }
  .chart-wrap { height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  .about-hero-bg,
  .infographic-steps span {
    animation: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}