/* Continuous editorial experience and lightweight motion system */
:root {
  --hero-scroll: 0;
  --flow-blue: #087dff;
  --flow-cyan: #14c8ff;
}

.page-flow { overflow: clip; background: #f7f9fc; }
.page-flow > section { position: relative; isolation: isolate; }
.page-flow > section:not(.hero) { content-visibility: auto; contain-intrinsic-size: auto 900px; }
.page-flow > section:not(.hero) { margin-top: -1px; }

.hero { min-height: 100svh; background: radial-gradient(circle at 80% 38%, #0b4ea9 0, #072b72 20%, #041b52 41%, #020a20 76%); }
.hero::before { background-size: 72px 72px; transform: translateY(calc(var(--hero-scroll) * 35px)); }
.hero-content { transform: translateY(calc(var(--hero-scroll) * 46px)); opacity: calc(1 - var(--hero-scroll) * .46); will-change: transform, opacity; }
.hero-visual { transform: none; will-change: auto; }
.hero h1 { max-width: 800px; font-size: clamp(4.2rem, 7.55vw, 8.2rem); line-height: .86; letter-spacing: -.075em; text-wrap: balance; }
.hero h1 em { display: inline-block; background: linear-gradient(92deg, var(--flow-cyan), #46a4ff 48%, #f5fbff 100%); background-clip: text; -webkit-background-clip: text; color: transparent; }
.hero-lead { max-width: 555px; font-size: 1.12rem; }
.motion-ribbon { position: relative; z-index: 8; width: 106%; margin: -33px -3% 0; overflow: hidden; border-block: 1px solid rgba(255,255,255,.28); background: var(--flow-cyan); color: #001033; transform: rotate(-1.4deg); }
.motion-ribbon > div { width: max-content; display: flex; align-items: center; padding: 18px 0; animation: ribbonMove 52s linear infinite; font-size: .74rem; font-weight: 900; letter-spacing: .16em; }
.ribbon-set { flex: none; display: flex; align-items: center; gap: 34px; padding-right: 34px; }
.ribbon-set > span { display: inline-flex; align-items: center; gap: 34px; }
.motion-ribbon i { font-style: normal; font-size: 1rem; }

.intro { position: relative; isolation: isolate; overflow: hidden; width: 100%; max-width: none; padding: 150px max(24px, calc((100vw - var(--max)) / 2)) 190px; background: radial-gradient(circle at 6% 88%, rgba(20,118,232,.15), transparent 30%), radial-gradient(circle at 88% 16%, rgba(17,184,255,.08), transparent 24%), #f8fafc; }
.intro::after { content: "RDC"; position: absolute; z-index: -1; right: -3vw; bottom: -8vw; color: rgba(3,24,88,.035); font-size: min(36vw, 520px); font-weight: 900; line-height: .7; letter-spacing: -.12em; }
.intro h2 { font-size: clamp(4rem, 7.5vw, 8rem); line-height: .9; }
.intro-grid { grid-template-columns: minmax(0, 1.08fr) minmax(370px, .72fr); gap: clamp(70px, 8vw, 145px); align-items: start; padding-top: clamp(58px, 7vw, 92px); }
.intro-heading { min-width: 0; }
.intro-heading h2 { max-width: none; margin-bottom: 0; white-space: nowrap; }
.intro-copy { position: relative; padding-top: 14px; }
.intro-copy::before { content: ""; display: block; width: 52px; height: 3px; margin-bottom: 28px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.intro-grid .definition { font-size: 1.45rem; line-height: 1.48; }
.intro-world-bridge { position: relative; width: min(100%, 620px); display: flex; align-items: center; margin-top: 72px; }
.intro-world { flex: 1 1 220px; max-width: 220px; aspect-ratio: 1; display: grid; place-content: center; gap: 12px; padding: 28px; border: 1px solid rgba(3,24,88,.22); border-radius: 50%; color: var(--navy); text-align: center; }
.intro-world strong { font-size: .74rem; font-weight: 880; letter-spacing: .15em; text-transform: uppercase; }
.intro-world small { font-size: .59rem; font-weight: 720; line-height: 1.45; letter-spacing: .07em; }
.intro-world--physical { background: radial-gradient(circle at 38% 38%, rgba(7,84,181,.14), rgba(255,255,255,.46) 58%, transparent 72%); }
.intro-world--digital { background: radial-gradient(circle at 62% 38%, rgba(17,184,255,.18), rgba(255,255,255,.5) 58%, transparent 72%); }
.intro-world-arrow { position: relative; flex: 0 0 clamp(38px, 5vw, 72px); height: 2px; margin-inline: clamp(10px, 2vw, 24px); background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.intro-world-arrow::after { content: ""; position: absolute; right: 0; top: 50%; width: 10px; height: 10px; border-top: 2px solid var(--cyan); border-right: 2px solid var(--cyan); transform: translateY(-50%) rotate(45deg); }

.pillars-section { z-index: 2; margin-top: -76px !important; padding-top: 76px; border-radius: 58% 58% 0 0 / 70px 70px 0 0; background: radial-gradient(circle at 50% 0, #123778 0, #06142e 32%, #020916 74%); }
.pillars-heading h2 { font-size: clamp(4rem, 7vw, 7.7rem); line-height: .9; }
.pillars-grid { width: min(calc(100% - 48px), 1480px); margin-inline: auto; padding-bottom: 0; gap: 1px; background: rgba(255,255,255,.14); }
.pillar-card { min-height: 430px; border: 0; background: #061229; transition: background-color .35s ease, transform .35s ease; }
.pillar-card:hover { z-index: 2; transform: translateY(-12px); background: #0a3475; }
.pillar-icon { border-radius: 35% 65% 62% 38% / 42% 40% 60% 58%; animation: iconFloat 9s ease-in-out infinite; will-change: transform; }

.trilemma { width: 100%; max-width: none; padding: 170px max(24px, calc((100vw - var(--max)) / 2)) 190px; background: radial-gradient(circle at 82% 35%, rgba(17,184,255,.18), transparent 24%), linear-gradient(156deg, #f6f9ff 0%, #ffffff 52%, #eaf4ff 100%); }
.trilemma h2 { font-size: clamp(4rem, 7vw, 7.6rem); line-height: .9; }
.venn-circle { backdrop-filter: blur(8px); transition: transform .5s ease, background-color .5s ease; }
.venn:hover .economic { transform: translateX(-50%) translateY(-12px); }
.venn:hover .social { transform: translate(-8px, 7px); }
.venn:hover .environment { transform: translate(8px, 7px); }
.venn-center { box-shadow: 0 0 0 14px rgba(255,255,255,.76), 0 0 0 15px rgba(20,118,232,.1); }

.topics-section { margin-top: -72px !important; padding-top: 160px; border-radius: 54% 54% 0 0 / 74px 74px 0 0; background: radial-gradient(circle at 20% 10%, #0a3475, transparent 33%), radial-gradient(circle at 88% 74%, #073d70, transparent 28%), #020916; }
.topics-heading h2 { font-size: clamp(4rem, 7vw, 7.5rem); line-height: .9; }
.topics-grid { gap: 1px; border: 0; background: rgba(255,255,255,.14); }
.topic-card { border: 0; transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.topic-card:hover { z-index: 2; transform: scale(.985); }

.initiatives { width: 100%; max-width: none; padding: 170px max(24px, calc((100vw - var(--max)) / 2)) 200px; background: linear-gradient(180deg, #f8fbff, #eef5ff 70%, #dcecff); }
.initiatives-heading h2 { font-size: clamp(4rem, 7vw, 7.6rem); line-height: .9; }
.initiatives-grid { gap: 1px; border: 0; background: rgba(3,24,88,.16); }
.initiative-card { border: 0; background: rgba(255,255,255,.88); transition: transform .35s ease, background-color .35s ease; }
.initiative-card:hover { z-index: 2; transform: translateY(-7px); background: #fff; }
.initiative-logo { border-radius: 38% 62% 55% 45% / 45% 35% 65% 55%; transition: border-radius .6s ease; }
.initiative-card:hover .initiative-logo { border-radius: 60% 40% 34% 66% / 58% 66% 34% 42%; }

.sustainable-site { margin-top: -92px !important; padding-top: 92px; border-radius: 55% 55% 0 0 / 92px 92px 0 0; background: radial-gradient(circle at 62% 22%, #0d3475, transparent 34%), #020916; }
.sustainable-image { margin: 34px 0 34px 34px; overflow: hidden; border-radius: 45% 55% 38% 62% / 52% 38% 62% 48%; }
.sustainable-image img { transform: scale(1.08) translateY(calc(var(--hero-scroll) * -10px)); transition: transform .2s linear; }
.sustainable-copy h2 { font-size: clamp(3.8rem, 6vw, 6.6rem); line-height: .9; }

.contact-section { margin-top: -2px !important; padding-top: 175px; background: radial-gradient(circle at 8% 20%, #0e5ad2, transparent 32%), radial-gradient(circle at 85% 80%, #075b95, transparent 28%), #031858; }
.contact-intro h2 { font-size: clamp(4rem, 6.6vw, 7.1rem); line-height: .9; }
.contact-form { border-radius: 70px 8px 70px 8px; box-shadow: 0 40px 100px rgba(0,0,0,.25); }

.reveal-item { opacity: 0; transform: translateY(46px); transition: opacity .75s ease, transform .9s cubic-bezier(.16,1,.3,1); transition-delay: calc(var(--reveal-order, 0) * 55ms); }
.reveal-item.is-visible { opacity: 1; transform: translateY(0); }

@keyframes iconFloat { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-5px) rotate(2deg); } }
@keyframes ribbonMove { to { transform: translateX(-50%); } }

html[data-eco="on"] .motion-ribbon > div,
html[data-eco="on"] .pillar-icon,
html[data-eco="on"] .venn-center { animation: none; }
html[data-eco="on"] .reveal-item { opacity: 1; transform: none; transition: none; }

@media (max-width: 980px) {
  .hero h1 { font-size: clamp(4.2rem, 11vw, 7rem); }
  .intro, .trilemma, .initiatives { padding-inline: 32px; }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-heading h2 { white-space: normal; }
  .pillars-grid { width: calc(100% - 40px); }
  .sustainable-image { margin: 30px; }
}

@media (max-width: 680px) {
  .hero { min-height: 880px; }
  .hero h1 { font-size: clamp(3.8rem, 17vw, 5.7rem); }
  .hero-content { transform: none; opacity: 1; }
  .hero-visual { transform: none; }
  .motion-ribbon { margin-top: -24px; }
  .motion-ribbon > div { padding: 14px 0; }
  .intro, .trilemma, .initiatives { padding: 115px 20px 135px; }
  .intro h2, .trilemma h2, .pillars-heading h2, .topics-heading h2, .initiatives-heading h2, .sustainable-copy h2, .contact-intro h2 { font-size: clamp(3.45rem, 15vw, 5.1rem); }
  .pillars-section, .topics-section { border-radius: 44% 44% 0 0 / 46px 46px 0 0; }
  .pillars-grid { width: calc(100% - 28px); padding-bottom: 0; }
  .sustainable-site { border-radius: 42% 42% 0 0 / 55px 55px 0 0; }
  .sustainable-image { margin: 18px; border-radius: 34% 66% 30% 70% / 52% 28% 72% 48%; }
  .contact-section { padding-top: 120px; }
  .contact-form { border-radius: 42px 6px 42px 6px; }
  .not-found-page { min-height: 720px; grid-template-columns: 1fr; padding-block: 100px; }
  .not-found-code { position: absolute; right: -20px; bottom: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-content, .hero-visual, .sustainable-image img { transform: none !important; opacity: 1 !important; }
  .reveal-item { opacity: 1; transform: none; transition: none; }
  .network-country-outline,
  .network-sweep,
  .network-primary-lines path,
  .network-svg-node .node-halo,
  .network-svg-core .core-ring { animation: none; }
  .network-country-outline { stroke-dashoffset: 0; }
  .network-packets { display: none; }
}

/* International supporter credential */
.cdr-supporter-badge {
  position: relative;
  width: 100%;
  min-height: 168px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(155px, 190px);
  gap: 18px;
  align-items: center;
  margin-top: 42px;
  padding: 18px 16px 18px 26px;
  overflow: hidden;
  border: 1px solid #dce3e9;
  border-radius: 10px 54px 10px 54px;
  background: #fff;
  color: var(--navy);
  box-shadow: 0 24px 70px rgba(3,24,88,.1);
  text-decoration: none;
  transition: transform .35s ease, box-shadow .35s ease;
}
.cdr-supporter-badge:hover { transform: translateY(-6px); box-shadow: 0 32px 80px rgba(3,24,88,.16); }
.cdr-supporter-badge > span:first-child { display: grid; gap: 8px; }
.cdr-supporter-badge small { color: #087c4e; font-size: .68rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.cdr-supporter-badge strong { font-size: 1.25rem; line-height: 1.25; }
.supporter-mark { position: relative; z-index: 1; min-height: 126px; display: grid; place-items: center; padding-left: 14px; border-left: 1px solid #e2e8ef; background: #fff; }
.supporter-mark img { width: 100%; height: auto; object-fit: contain; }

html[data-theme="dark"] .intro-world { border-color: rgba(125,211,252,.34); color: #e3efff; }
html[data-theme="dark"] .intro-world--physical { background: radial-gradient(circle at 38% 38%, rgba(7,84,181,.3), rgba(9,21,42,.38) 58%, transparent 72%); }
html[data-theme="dark"] .intro-world--digital { background: radial-gradient(circle at 62% 38%, rgba(17,184,255,.25), rgba(9,21,42,.38) 58%, transparent 72%); }
html[data-theme="dark"] .cdr-supporter-badge { border-color: #dce3e9; background: #fff; color: var(--navy); }
html[data-theme="dark"] .cdr-supporter-badge small { color: #087c4e; }

/* Interactive center of the digital trilemma */
button.venn-center { padding: 0; border: 0; cursor: pointer; font-family: inherit; }
.venn-center > .venn-action { position: absolute; right: 8px; top: 4px; display: grid; place-items: center; width: 25px; aspect-ratio: 1; border-radius: 50%; background: var(--cyan); color: #00123e; box-shadow: 0 0 0 4px rgba(17,184,255,.18); }
.venn-action .control-glyph { width: 12px; height: 12px; }
.venn-action .control-glyph::before, .venn-action .control-glyph::after { width: 12px; height: 2px; }
button.venn-center:hover { background: #0754b5; }
button.venn-center:focus-visible { outline-color: #0754b5; outline-offset: 18px; }

.trilemma-dialog { width: min(calc(100% - 36px), 790px); max-height: min(88vh, 820px); margin: auto; padding: 0; overflow: visible; border: 0; border-radius: 44px 10px 44px 10px; background: transparent; color: #fff; }
.trilemma-dialog::backdrop { background: rgba(1,7,20,.78); backdrop-filter: blur(10px); }
.trilemma-dialog-card { position: relative; padding: clamp(34px, 6vw, 68px); overflow: auto; max-height: min(88vh, 820px); border: 1px solid rgba(255,255,255,.2); border-radius: inherit; background: radial-gradient(circle at 90% 5%, rgba(17,184,255,.28), transparent 28%), radial-gradient(circle at 3% 96%, rgba(17,166,112,.22), transparent 31%), #06142e; box-shadow: 0 40px 110px rgba(0,0,0,.45); }
.dialog-orbits { position: absolute; inset: 0; overflow: hidden; pointer-events: none; opacity: .4; }
.dialog-orbits span { position: absolute; width: 220px; aspect-ratio: 1; border: 1px solid var(--cyan); border-radius: 50%; }
.dialog-orbits span:nth-child(1) { right: -95px; top: 40px; }
.dialog-orbits span:nth-child(2) { right: 30px; top: -130px; }
.dialog-orbits span:nth-child(3) { left: -140px; bottom: -120px; border-color: #21d398; }
.dialog-close { position: absolute; z-index: 2; top: 18px; right: 18px; width: 44px; aspect-ratio: 1; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; cursor: pointer; line-height: 1; }
.dialog-close:hover { background: #fff; color: var(--navy); }
.dialog-kicker { position: relative; margin: 0 0 24px; color: var(--cyan); font-size: .72rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.trilemma-dialog h2 { position: relative; max-width: 650px; margin: 0; font-size: clamp(2.5rem, 5vw, 4.4rem); line-height: .98; letter-spacing: -.055em; text-wrap: balance; }
.dialog-lead { position: relative; max-width: 600px; margin: 24px 0 42px; color: #c4d2e7; font-size: 1.15rem; line-height: 1.65; }
.trilemma-dialog h3 { position: relative; margin: 0 0 18px; font-size: 1.1rem; }
.trilemma-dialog ol { position: relative; margin: 0 0 38px; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.trilemma-dialog li { display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.trilemma-dialog li span { color: var(--cyan); font-weight: 850; }
.trilemma-dialog li p { margin: 0; color: #e3edfc; line-height: 1.5; }
.trilemma-dialog .button { position: relative; border: 0; cursor: pointer; }

@media (max-width: 680px) {
  .intro-world-bridge { width: min(100%, 410px); margin-top: 48px; }
  .intro-world { max-width: none; padding: 14px 8px; gap: 7px; }
  .intro-world strong { font-size: .58rem; letter-spacing: .08em; }
  .intro-world small { font-size: .48rem; line-height: 1.35; letter-spacing: .035em; }
  .intro-world-arrow { flex-basis: 22px; margin-inline: 7px; }
  .cdr-supporter-badge { grid-template-columns: 1fr 126px; min-height: 142px; margin-top: 38px; padding: 18px; border-radius: 8px 36px 8px 36px; }
  .cdr-supporter-badge strong { font-size: 1rem; }
  .supporter-mark { min-height: 94px; padding-left: 10px; }
  .venn-center > .venn-action { right: 1px; top: -2px; width: 22px; }
  .trilemma-dialog { border-radius: 28px 8px 28px 8px; }
  .trilemma-dialog-card { padding: 58px 24px 28px; }
  .trilemma-dialog h2 { font-size: clamp(2.35rem, 10vw, 3.2rem); }
  .dialog-lead { font-size: 1rem; margin-bottom: 32px; }

  .venn {
    width: 100%;
    height: clamp(360px, 112vw, 440px);
    min-height: 0;
    margin: 0 auto;
    transform: none;
  }
  .venn-circle {
    width: min(72vw, 245px);
    font-size: .64rem;
    letter-spacing: .07em;
  }
  .venn-circle span {
    max-width: 82%;
    padding-top: 30px;
    line-height: 1.25;
    text-align: center;
  }
  .social span, .environment span { padding: 0 0 36px; }
  .social { left: 0; bottom: 90px; }
  .environment { right: 0; bottom: 90px; }
  .venn-center { top: 50%; width: 84px; }
  .venn figcaption { bottom: 0; width: 96%; line-height: 1.4; }
}

@media (max-width: 370px) {
  .venn-circle { width: min(70vw, 225px); }
  .social span { transform: translateX(-8px); }
  .environment span { transform: translateX(8px); }
}

@media (hover: none) {
  .venn:hover .economic { transform: translateX(-50%); }
  .venn:hover .social, .venn:hover .environment { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .cdr-supporter-badge { transition: none; }
}