*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 84px;
}

:root {
  --black: #121313;
  --white: #f5f2ec;
  --cream: #ede9e0;
  --grey: #a8a49c;
  --grey-light: #d6d2ca;
  --accent: #619AD6;
  --accent2: #4A7DB5;
  --border: rgba(245, 242, 236, .1);
  --border-dark: rgba(245, 242, 236, .06);
  --font-display: 'Syne', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'Syne Mono', monospace;
  --max: 1100px;
  --pad: clamp(1.2rem, 4vw, 2.8rem);
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: auto;
}

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

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

.wrap {
  width: min(var(--max), calc(100% - var(--pad) * 2));
  margin-inline: auto;
}

body::before {
  content: '';
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg '%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 9990;
  animation: grainShift 8s steps(10) infinite;
}

@keyframes grainShift {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(-5%, -5%);
  }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  background: rgba(10, 10, 10, .85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.03em;
  color: var(--white);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--grey);
  transition: all .25s;
}

.back-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(-3px);
}

.back-btn svg {
  width: 14px;
  height: 14px;
}

.hero {
  padding: 7rem 0 3rem;
  background: linear-gradient(180deg, rgba(97, 154, 214, .06) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--accent);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: .7rem;
}

.hero-tag::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 1.2rem;
  max-width: 28ch;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.hero-meta-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--grey);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.hero-meta-value {
  font-size: .9rem;
  color: var(--white);
  font-weight: 400;
}

.stats-bar {
  background: rgba(97, 154, 214, .04);
  border-top: 1px solid rgba(97, 154, 214, .15);
  border-bottom: 1px solid rgba(97, 154, 214, .15);
  padding: 1.2rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: 'Helvetica', Arial, sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: .4rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--grey);
  letter-spacing: .1em;
  text-transform: uppercase;
}

section {
  padding: clamp(25px, 3.5vw, 40px) 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--accent);
  letter-spacing: .15em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 1rem;
}

.section-intro {
  color: var(--grey);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  max-width: 70ch;
  margin-bottom: 1.2rem;
}

h3 {
  font-family: 'Helvetica', Arial, sans-serif;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  margin: 1.2rem 0 .5rem;
}

p {
  color: rgba(245, 242, 236, .88);
  font-weight: 300;
  line-height: 1.8;
  margin: .8rem 0;
  max-width: 75ch;
}

ul,
ol {
  margin: .8rem 0;
  padding-left: 1.5rem;
  color: rgba(245, 242, 236, .88);
}

li {
  margin: .5rem 0;
  font-weight: 300;
  line-height: 1.7;
}

li strong {
  color: var(--accent);
  font-weight: 600;
}

.img-container {
  margin: 1rem 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0B0510;
}

.img-container img {
  width: 100%;
  height: auto;
  display: block;
}

.img-caption {
  padding: 1rem 1.3rem;
  background: rgba(0, 0, 0, .4);
  border-top: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--grey);
  letter-spacing: .04em;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  margin: 1rem 0;
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, .02);
  padding: 1.5rem;
  transition: transform .3s, border-color .3s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(97, 154, 214, .3);
}

.card h4 {
  font-family: 'Helvetica', Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

.card p,
.card ul {
  margin: 0;
  font-size: .9rem;
}

.card ul {
  padding-left: 1.2rem;
}

.highlight {
  border: 1px solid rgba(97, 154, 214, .25);
  border-radius: 8px;
  background: rgba(97, 154, 214, .04);
  padding: 1.8rem;
  margin: 1rem 0;
}

.highlight h4 {
  font-family: 'Helvetica', Arial, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

/* Contributions section — special styling */
.contributions-section {
  background: rgba(97, 154, 214, .03);
  border-top: 1px solid rgba(97, 154, 214, .12);
  border-bottom: 1px solid rgba(97, 154, 214, .12);
}

.contrib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.contrib-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, .02);
  transition: border-color .25s, transform .25s;
}

.contrib-item:hover {
  border-color: rgba(97, 154, 214, .35);
  transform: translateY(-3px);
}

.contrib-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: .1rem;
}

.contrib-text h4 {
  font-family: 'Helvetica', Arial, sans-serif;
  font-size: .92rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 .3rem;
}

.contrib-text p {
  font-size: .82rem;
  margin: 0;
  color: var(--grey);
  max-width: none;
}

/* Results numbers inline */
.result-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
}

.results-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.result-card {
  border: 1px solid rgba(97, 154, 214, .2);
  border-radius: 8px;
  background: rgba(97, 154, 214, .04);
  padding: 1.2rem;
  text-align: center;
}

.result-card .num {
  font-family: 'Helvetica', Arial, sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.result-card .desc {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--grey);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: .4rem;
}

.timeline {
  position: relative;
  padding-left: 2.5rem;
  margin: 1rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
}

.timeline-step {
  position: relative;
  padding-bottom: 1rem;
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: -2.65rem;
  top: .4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--black);
  box-shadow: 0 0 0 1px var(--accent);
}

.timeline-step h4 {
  font-family: 'Helvetica', Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 .5rem;
}

.timeline-step p {
  margin: .3rem 0;
  font-size: .9rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(0, 0, 0, .3);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}

th {
  background: rgba(97, 154, 214, .08);
  padding: .9rem 1.2rem;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--white);
  border-bottom: 1px solid var(--border);
  font-size: .85rem;
}

td {
  padding: .9rem 1.2rem;
  border-bottom: 1px solid var(--border-dark);
  color: rgba(245, 242, 236, .8);
  font-weight: 300;
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: rgba(97, 154, 214, .03);
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: clamp(10px, 2vw, 20px) 0;
}

footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: #030303;
  text-align: left;
}

.footer-text {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: #333;
  letter-spacing: .06em;
}

/* Sticky Side Navigation */
.side-nav {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.8rem 0.5rem;
  background: rgba(10, 10, 10, .9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.side-nav a {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(245, 242, 236, .25);
  transition: all 0.25s ease;
  position: relative;
}

.side-nav a:hover,
.side-nav a.active {
  background: var(--accent);
  transform: scale(1.3);
}

.side-nav a::before {
  content: attr(data-label);
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--white);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  background: rgba(10, 10, 10, .95);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.side-nav a:hover::before {
  opacity: 1;
}




/* Download button */
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--black);
  background: var(--accent);
  padding: .85rem 2rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  transition: all .3s ease;
  text-decoration: none;
}

.download-btn:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(97, 154, 214, .25);
}


/* =============================================================
   MOBILE — nav, menu panel, responsive overrides
============================================================= */

/* Desktop-only back button */
.desktop-only {
  display: inline-flex;
}

/* Mobile nav actions — hidden on desktop */
.nav-actions-mobile {
  display: none;
  align-items: center;
  gap: 0.4rem;
}

.back-btn-mobile {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.42rem 0.75rem;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.25s, color 0.25s;
}

.back-btn-mobile svg {
  flex-shrink: 0;
}

.back-btn-mobile:hover {
  background: rgba(97, 154, 214, 0.12);
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  color: var(--white);
  font-size: 1.4rem;
  line-height: 1;
}

.menu-icon-open {
  display: block;
}

/* ✕ close button */
.mobile-menu-close {
  position: absolute;
  top: 1.4rem;
  right: 1.6rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #121313;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.3rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Dark overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 149;
  opacity: 0;
  will-change: opacity;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.visible {
  opacity: 1;
}

/* Slide-out panel */
.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(88vw, 390px);
  height: 100dvh;
  background: #F4EDE4;
  z-index: 150;
  display: flex;
  flex-direction: column;
  will-change: transform;
  transform: translateX(100%) translateZ(0);
  backface-visibility: hidden;
  transition: transform 0.48s cubic-bezier(0.23, 1, 0.32, 1) 0.08s;
  overflow: hidden;
}

.mobile-menu-panel.is-open {
  transform: translateX(0) translateZ(0);
}

.mobile-menu-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 5rem 2.2rem 2.5rem;
}

.mobile-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.mobile-menu-item-wrap {
  overflow: hidden;
  will-change: transform, opacity;
  transform: translateY(22px) translateZ(0);
  opacity: 0;
  transition: opacity 0.38s cubic-bezier(0.23, 1, 0.32, 1),
    transform 0.38s cubic-bezier(0.23, 1, 0.32, 1);
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap {
  opacity: 1;
  transform: translateY(0) translateZ(0);
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(1) {
  transition-delay: 0.10s;
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(2) {
  transition-delay: 0.15s;
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(3) {
  transition-delay: 0.20s;
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(4) {
  transition-delay: 0.25s;
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(5) {
  transition-delay: 0.30s;
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(6) {
  transition-delay: 0.35s;
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(7) {
  transition-delay: 0.40s;
}

.mobile-menu-panel.is-open .mobile-menu-item-wrap:nth-child(8) {
  transition-delay: 0.45s;
}

.mobile-menu-link {
  display: inline-flex;
  align-items: flex-start;
  gap: 0;
  padding: 0.65rem 0;
  text-decoration: none;
  color: #121313;
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1.1;
  transition: color 0.2s ease;
}

.mobile-menu-link::before {
  display: none;
}

.mobile-menu-num {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  vertical-align: super;
  margin-left: 0.12em;
  flex-shrink: 0;
  align-self: flex-start;
  position: relative;
  top: 0.15em;
}

.mobile-menu-link:hover,
.mobile-menu-link:active {
  color: var(--accent);
}

.mobile-menu-label {
  display: inline;
}



/* Blue layer — slides in FIRST, sits behind white panel */
.mobile-blue-layer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(88vw, 390px);
  height: 100dvh;
  background: #619AD6;
  z-index: 148;
  will-change: transform;
  transform: translateX(100%) translateZ(0);
  backface-visibility: hidden;
  transition: transform 0.36s cubic-bezier(0.23, 1, 0.32, 1);
  pointer-events: none;
}

.mobile-blue-layer.is-open {
  transform: translateX(0) translateZ(0);
}

@media (min-width: 768px) {
  .desktop-scale-60 {
    max-width: 60%;
    margin-left: auto;
    margin-right: auto;
  }
}

.mobile-blue-layer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(88vw, 390px);
  height: 100dvh;
  background: #619AD6;
  z-index: 148;
  will-change: transform;
  transform: translateX(100%) translateZ(0);
  backface-visibility: hidden;
  transition: transform 0.36s cubic-bezier(0.23, 1, 0.32, 1);
  pointer-events: none;
}

.mobile-blue-layer.is-open {
  transform: translateX(0) translateZ(0);
}

/* ===== RESPONSIVE: 900px ===== */
@media (max-width: 900px) {
  .desktop-only {
    display: none !important;
  }

  .nav-actions-mobile {
    display: flex;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .side-nav {
    display: none;
  }

  /* Images: full width on mobile (undo the 60% desktop constraint) */
  .img-container[style*="max-width: 60%"] {
    max-width: 100% !important;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: clamp(1.4rem, 7vw, 2rem);
  }

  .hero-meta {
    flex-direction: column;
    gap: 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .contrib-grid {
    grid-template-columns: 1fr;
  }

  .results-row {
    grid-template-columns: repeat(2, 1fr);
  }
}