:root {
  --gdg-blue: #4285f4;
  --gdg-green: #34a853;
  --gdg-yellow: #fbbc05;
  --gdg-red: #ea4335;
  --apply-overlay-space: 0.5rem;
  --shell-gutter: clamp(1rem, 1.9vw, 1.25rem);
  --overlay-x-offset: 0.65rem;

  --bg: #b8e8ef;
  --surface: #ffffff;
  --surface-soft: #f7fbfc;
  --ink: #202124;
  --muted: #5f6368;
  --outline: #202124;

  --shadow-card:
    0 0 0 4px var(--outline),
    0 10px 0 4px var(--outline),
    8px 18px 0 4px var(--outline),
    0 26px 40px rgba(32, 33, 36, 0.14);

  --shadow-panel: 0 8px 0 rgba(32, 33, 36, 0.08);
  --radius-shell: 30px;
  --radius-panel: 24px;
  --radius-chip: 999px;
}

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

html {
  min-height: 100%;
  scroll-behavior: smooth;
  color-scheme: light;
  scrollbar-gutter: stable both-edges;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.45), transparent 18%),
    radial-gradient(circle at 88% 82%, rgba(66, 133, 244, 0.12), transparent 22%);
  background-size: 40px 40px, 40px 40px, auto, auto;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: "Plus Jakarta Sans", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background: transparent;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  padding: 0.7rem 1rem;
  border-radius: 0 0 14px 14px;
  background: var(--ink);
  color: #fff;
  z-index: 20;
}

.skip-link:focus-visible {
  left: 1rem;
}

.page-shell {
  width: calc(100% - (var(--shell-gutter) * 2));
  margin: 0 auto;
  padding: var(--shell-gutter) 0 calc(0.1rem + var(--apply-overlay-space));
}

.poster {
  background: var(--surface);
  border-radius: var(--radius-shell);
  overflow: clip;
  box-shadow: var(--shadow-card);
}

.color-bar {
  display: flex;
  height: 8px;
}

.color-bar span {
  flex: 1;
}

.cb-blue {
  background: var(--gdg-blue);
}

.cb-red {
  background: var(--gdg-red);
}

.cb-yellow {
  background: var(--gdg-yellow);
}

.cb-green {
  background: var(--gdg-green);
}

.poster-header {
  padding: 1.6rem 2rem 1.1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 1rem;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand img {
  width: 72px;
  height: auto;
  flex: 0 0 auto;
}

.brand span {
  font-size: 1.04rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
}

.nav a,
.date-chip,
.hero-points span,
.time-chip {
  border-radius: var(--radius-chip);
}

.nav a:not(.apply-btn) {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 1rem;
  border: 2px solid rgba(32, 33, 36, 0.14);
  background: #fff;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.nav a:not(.apply-btn):hover {
  transform: translateY(-1px);
  border-color: rgba(32, 33, 36, 0.34);
  background: var(--surface-soft);
}

.date-chip {
  margin: 0;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero {
  padding: 0.5rem 2rem 1.8rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 1.4rem;
  align-items: start;
}

.hero-copy {
  padding-right: 0.5rem;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  max-width: min(100%, 56ch);
  margin-inline: auto;
  transform: translateX(0.35rem);
}

.eyebrow,
.mini-title,
.fact-label,
.day-label,
.poster-footer {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0;
  font-size: 0.83rem;
  font-weight: 800;
  color: var(--ink);
}

.hero-title,
h2,
h3 {
  margin: 0;
  line-height: 0.94;
}

.hero-title {
  margin-top: 0.85rem;
  font-size: clamp(3.35rem, 9vw, 6.35rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  text-transform: uppercase;
}

.hero-title span {
  display: block;
}

.gradient-word {
  background: linear-gradient(90deg, var(--gdg-red) 0%, var(--gdg-yellow) 36%, var(--gdg-green) 67%, var(--gdg-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead,
.section-copy,
.format-intro,
.format-point-grid p,
.format-list span,
.faq-list p,
.social-links small,
.roadmap-content p {
  color: var(--muted);
}

.lead {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: 1.06rem;
  line-height: 1.65;
}

.hero-cta {
  margin-top: 1.25rem;
}

.apply-btn {
  --mouse-x: 50%;
  --mouse-y: 50%;
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 52px;
  width: fit-content;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  border: 2px solid var(--outline);
  background: linear-gradient(96deg, #ff4d36 0%, #ff8c17 18%, #ffd73c 36%, #73c94e 57%, #30b56b 74%, #4d8fe8 100%);
  color: #111111;
  overflow: hidden;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 10px 0 -6px rgba(32, 33, 36, 0.15), 0 6px 18px rgba(32, 33, 36, 0.08);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
}

.apply-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.52) 0%, rgba(255, 255, 255, 0.2) 11%, rgba(255, 255, 255, 0) 28%),
    linear-gradient(115deg, rgba(255, 255, 255, 0) 18%, rgba(255, 255, 255, 0.34) 48%, rgba(255, 255, 255, 0) 78%);
  opacity: 0;
  transition: opacity 180ms ease;
  mix-blend-mode: screen;
  pointer-events: none;
}

.apply-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 0 -6px rgba(32, 33, 36, 0.22), 0 16px 20px rgba(32, 33, 36, 0.12);
}

.apply-btn:hover::before {
  opacity: 1;
}

.apply-btn:focus-visible {
  outline-offset: 4px;
}

.apply-btn:active {
  transform: translateY(0);
}

.apply-btn-large {
  width: 100%;
  justify-content: center;
  margin-top: auto;
  min-height: 78px;
  padding: 1.15rem 1.6rem;
  font-size: 1.12rem;
  letter-spacing: 0.1em;
}

.apply-arrow {
  display: inline-block;
  transition: transform 180ms ease;
}

.apply-btn:hover .apply-arrow {
  transform: translateX(3px);
}

.roulette-title {
  --mouse-x: 50%;
  --mouse-y: 50%;
  --roulette-shine: 0;
  display: inline-block;
  font-weight: 800;
  background-image:
    radial-gradient(
      circle at var(--mouse-x) var(--mouse-y),
      rgb(255 255 255 / calc(var(--roulette-shine) * 0.6)) 0%,
      rgb(255 255 255 / calc(var(--roulette-shine) * 0.24)) 16%,
      rgb(255 255 255 / 0) 40%
    ),
    radial-gradient(
      circle at calc(var(--mouse-x) + 14%) calc(var(--mouse-y) - 8%),
      rgb(251 188 5 / calc(var(--roulette-shine) * 0.34)) 0%,
      rgb(251 188 5 / 0) 28%
    ),
    linear-gradient(90deg, var(--gdg-red) 0%, var(--gdg-yellow) 33%, var(--gdg-green) 66%, var(--gdg-blue) 100%);
  color: transparent;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  letter-spacing: -0.02em;
  text-transform: none;
  transition: transform 180ms ease, filter 180ms ease;
}

.roulette-title:hover {
  --roulette-shine: 1;
  transform: translateY(-2px);
  filter: drop-shadow(0 8px 10px rgba(32, 33, 36, 0.12));
}

.hero-points {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.hero-points span {
  padding: 0.72rem 1rem;
  border: 2px solid rgba(32, 33, 36, 0.12);
  background: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.facts {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: minmax(104px, 1fr);
  gap: 0.75rem;
}

.facts li,
.panel,
.social-card {
  border: 2px solid rgba(32, 33, 36, 0.12);
  background: #fff;
}

.facts li {
  min-height: 104px;
  padding: 1rem;
  border-radius: 20px;
  display: grid;
  gap: 0.18rem;
  align-content: start;
}

.fact-label {
  font-size: 0.77rem;
  font-weight: 800;
  color: var(--muted);
}

.facts strong {
  font-size: 1.05rem;
  line-height: 1.25;
}

.hero-side {
  display: grid;
  gap: 1rem;
  min-height: 100%;
}

.hero-summary {
  display: block;
  min-height: 100%;
}

.brand-lockup {
  border: 2px solid var(--outline);
  border-radius: 24px;
  box-shadow: var(--shadow-panel);
  padding: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
  background: linear-gradient(180deg, #d8f2f6 0%, #f7fbfc 100%);
}

.brand-mark {
  border-radius: 22px;
  background: var(--ink);
  padding: 1rem;
  min-height: 168px;
  display: grid;
  place-items: center;
}

.brand-mark img {
  width: min(100%, 240px);
  height: auto;
}

.summary-copy,
.panel {
  padding: 1rem;
}

.summary-list {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
  color: var(--ink);
}

.mini-title {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--ink);
}

.apply-overlay {
  position: fixed;
  right: calc(max(var(--shell-gutter), env(safe-area-inset-right)) + var(--overlay-x-offset));
  bottom: max(var(--shell-gutter), env(safe-area-inset-bottom));
  z-index: 40;
  width: min(300px, calc(100vw - (var(--shell-gutter) * 2)));
  padding: 0.85rem;
  border: 2px solid var(--outline);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 40px rgba(32, 33, 36, 0.18);
  backdrop-filter: blur(10px);
  --morph-translate-x: 0px;
  --morph-translate-y: 0px;
  --morph-scale-x: 1;
  --morph-scale-y: 1;
  --morph-radius: 22px;
  --morph-ease: cubic-bezier(0.22, 1, 0.36, 1);
  transform: translate3d(var(--morph-translate-x), var(--morph-translate-y), 0) scale(var(--morph-scale-x), var(--morph-scale-y));
  border-radius: var(--morph-radius);
  transition:
    transform 300ms var(--morph-ease),
    opacity 220ms ease,
    border-radius 300ms var(--morph-ease),
    box-shadow 260ms var(--morph-ease),
    background-color 220ms ease,
    backdrop-filter 220ms ease;
  will-change: transform, opacity;
}

.apply-overlay-title {
  margin: 0 0 0.55rem;
  text-align: center;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    opacity 220ms var(--morph-ease),
    transform 220ms var(--morph-ease);
}

.apply-overlay--docked {
  --morph-radius: 999px;
  opacity: 0;
  box-shadow: 0 8px 24px rgba(32, 33, 36, 0.08);
  background: rgba(255, 255, 255, 0.9);
  pointer-events: none;
}

.apply-overlay--docked .apply-overlay-button,
.apply-overlay--docked .apply-overlay-title {
  opacity: 0;
  transform: translateY(-4px) scale(0.96);
}

.apply-overlay-button {
  transition: opacity 220ms var(--morph-ease), transform 220ms var(--morph-ease);
  width: 100%;
  min-height: 62px;
  justify-content: center;
}

.format-panel {
  margin: 0 2rem 1.4rem;
  padding: 1.25rem;
}

.section-kicker {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gdg-blue);
}

.format-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.format-feature,
.format-card {
  position: relative;
  overflow: clip;
  border: 2px solid rgba(32, 33, 36, 0.12);
  border-radius: 22px;
  padding: 1.1rem;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.format-feature {
  display: grid;
  gap: 1rem;
  background: linear-gradient(180deg, #d9f2f7 0%, #f4fcfe 100%);
  box-shadow: 0 12px 24px rgba(66, 133, 244, 0.08);
}

.format-stack {
  display: grid;
  gap: 1rem;
}

.format-stack > .format-card {
  height: 100%;
}

.format-card {
  display: grid;
  gap: 0.9rem;
  align-content: start;
  box-shadow: 0 10px 20px rgba(32, 33, 36, 0.05);
}

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

.format-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.format-chip {
  margin: 0;
  padding: 0.42rem 0.74rem;
  border-radius: 999px;
  border: 1.5px solid rgba(32, 33, 36, 0.14);
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.format-index {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.08em;
  line-height: 0.9;
  color: rgba(32, 33, 36, 0.22);
}

.format-heading {
  display: grid;
  gap: 0.3rem;
}

.format-heading h3 {
  font-size: clamp(1.16rem, 1.8vw, 1.55rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.format-intro {
  margin: 0;
  max-width: 31rem;
  font-size: 0.98rem;
  line-height: 1.58;
}

.format-point-grid,
.format-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.format-point-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.format-list-split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.format-point-grid li,
.format-list li {
  display: grid;
  gap: 0.28rem;
  align-content: start;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  border: 1.5px solid rgba(32, 33, 36, 0.1);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
}

.format-point-label {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.format-point-grid p,
.format-list span {
  margin: 0;
  line-height: 1.55;
}

.format-list strong {
  font-size: 1rem;
  line-height: 1.28;
}

.format-list-bullets li {
  position: relative;
  padding-left: 0;
  list-style: none;
}

.format-list-bullets li::before {
  content: none;
}

.format-feature:hover,
.format-card:hover,
.social-card:hover,
.faq-list details:hover,
.roadmap-day:hover {
  transform: translateY(-2px);
  border-color: rgba(32, 33, 36, 0.3);
  box-shadow: 0 14px 28px rgba(32, 33, 36, 0.08);
}

.format-blue {
  background: linear-gradient(180deg, #d9f2f7 0%, #f4fcfe 100%);
}

.format-yellow {
  background: linear-gradient(180deg, #fff1bc 0%, #fff8de 100%);
}

.format-green {
  background: linear-gradient(180deg, #daf3d3 0%, #eef9ea 100%);
}

.panel {
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-panel);
}

.schedule-panel {
  margin: 0 2rem 1.4rem;
}

.apply-panel {
  margin: 0 2rem 1.4rem;
  padding: 1rem;
  display: grid;
  place-items: center;
  grid-column: 1 / -1;
  opacity: 0;
  overflow: hidden;
  transform: translateY(10px) scaleY(0.96);
  transform-origin: top center;
  clip-path: inset(0 0 100% 0);
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity 220ms var(--morph-ease) 110ms,
    transform 240ms var(--morph-ease) 110ms,
    clip-path 240ms var(--morph-ease) 110ms,
    visibility 0s linear 260ms;
}

.apply-panel--visible {
  opacity: 1;
  transform: translateY(0);
  clip-path: inset(0 0 0 0);
  pointer-events: auto;
  visibility: visible;
}

.apply-panel-button {
  width: 100%;
  margin-top: 0;
  opacity: 0;
  min-height: 78px;
  overflow: hidden;
  transform: translateY(8px);
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity 200ms var(--morph-ease) 110ms,
    transform 220ms var(--morph-ease) 110ms,
    visibility 0s linear 260ms;
}

.apply-panel-button--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
  min-height: 78px;
  transition-delay: 0s, 0s, 0s;
}

.section-head {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  letter-spacing: -0.04em;
}

.section-copy {
  margin: 0;
  max-width: 46rem;
  line-height: 1.6;
}

.roadmap-vertical {
  position: relative;
  display: grid;
  gap: 0.9rem;
  --roadmap-pad: 2rem;
  --roadmap-axis: 0.78rem;
  padding-left: var(--roadmap-pad);
}

.roadmap-vertical::before {
  content: "";
  position: absolute;
  left: var(--roadmap-axis);
  top: 1rem;
  bottom: 1rem;
  width: 3px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(66, 133, 244, 0.55), rgba(52, 168, 83, 0.2));
}

.roadmap-day {
  position: relative;
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 1rem 1rem 1.1rem;
  border-radius: 20px;
  transition: transform 160ms ease, border-color 160ms ease;
}

.roadmap-day::before {
  content: "";
  position: absolute;
  left: calc(var(--roadmap-axis) - var(--roadmap-pad));
  top: 1.35rem;
  width: 18px;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px rgba(32, 33, 36, 0.15);
}

.node-blue::before {
  background: var(--gdg-blue);
}

.node-green::before {
  background: var(--gdg-green);
}

.node-yellow::before {
  background: var(--gdg-yellow);
}

.node-red::before {
  background: var(--gdg-red);
}

.roadmap-date-block {
  display: grid;
  align-content: start;
  gap: 0.3rem;
}

.day-label {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--muted);
}

.day-date {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.roadmap-content {
  display: grid;
  gap: 0.55rem;
}

.event-head {
  display: grid;
  gap: 0.7rem;
}

.time-chip {
  justify-self: start;
  padding: 0.62rem 0.95rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.roadmap-content p {
  margin: 0;
  line-height: 1.55;
}

.lower-grid {
  padding: 0 2rem 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 1rem;
}

.faq-list {
  display: grid;
  gap: 0.7rem;
}

.faq-list details {
  border: 2px solid rgba(32, 33, 36, 0.12);
  border-radius: 18px;
  background: #fff;
  padding: 0.95rem 1rem;
  transition: transform 160ms ease, border-color 160ms ease;
}

.faq-list summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(32, 33, 36, 0.14);
  display: grid;
  place-items: center;
  background-image:
    linear-gradient(var(--ink), var(--ink)),
    linear-gradient(var(--ink), var(--ink));
  background-size: 13px 2px, 2px 13px;
  background-position: center;
  background-repeat: no-repeat;
}

.faq-list details[open] summary::after {
  background-image: linear-gradient(var(--ink), var(--ink));
  background-size: 13px 2px;
}

.faq-list p {
  margin: 0.65rem 0 0;
  line-height: 1.6;
}

.social-links {
  margin-top: 1rem;
  display: grid;
  gap: 0.75rem;
}

.social-card {
  min-height: 92px;
  border-radius: 20px;
  padding: 1rem;
  text-decoration: none;
  display: grid;
  align-content: center;
  gap: 0.18rem;
  transition: transform 160ms ease, border-color 160ms ease;
}

.social-red {
  background: #fce8e6;
}

.social-blue {
  background: #e8f0fe;
}

.social-green {
  background: #e6f4ea;
}

.social-links span {
  font-size: 1rem;
  font-weight: 800;
}

.social-links small {
  font-size: 0.9rem;
}

.poster-footer {
  padding: 0 2rem 2rem;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--muted);
}

:focus-visible {
  outline: 3px solid var(--gdg-yellow);
  outline-offset: 3px;
}

@media (max-width: 1060px) {
  .poster-header,
  .hero,
  .lower-grid {
    grid-template-columns: 1fr;
  }

  .poster-header {
    justify-items: start;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero-copy {
    padding-right: 0;
  }

  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .format-layout,
  .format-point-grid,
  .format-list-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --apply-overlay-space: 0.5rem;
    --shell-gutter: 0.625rem;
  }

  .page-shell {
    width: calc(100% - (var(--shell-gutter) * 2));
    padding: var(--shell-gutter) 0 calc(0.1rem + var(--apply-overlay-space));
  }

  .poster-header,
  .hero,
  .schedule-panel,
  .lower-grid,
  .poster-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .poster-header {
    padding-top: 1.25rem;
    padding-bottom: 0.9rem;
  }

  .hero {
    padding-top: 0.15rem;
    padding-bottom: 1.25rem;
  }

  .roadmap-day {
    grid-template-columns: 1fr;
  }

  .format-panel {
    padding: 1rem;
  }

  .format-feature,
  .format-card {
    padding: 1rem;
  }

  .roadmap-vertical {
    --roadmap-pad: 1.25rem;
    --roadmap-axis: 0.35rem;
    padding-left: 1.25rem;
  }

  .roadmap-vertical::before {
    left: var(--roadmap-axis);
  }

  .day-date {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.05rem;
  }

  .apply-overlay {
    right: calc(max(var(--shell-gutter), env(safe-area-inset-right)) + 0.35rem);
    bottom: max(var(--shell-gutter), env(safe-area-inset-bottom));
    width: min(280px, calc(100vw - 1.5rem));
    padding: 0.75rem;
  }
}

@media (max-width: 360px) {
  .hero-title {
    font-size: clamp(2.2rem, 14vw, 3.05rem);
    line-height: 0.92;
  }

  .brand {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand img {
    width: 104px;
  }

  .hero-points span,
  .nav a:not(.apply-btn),
  .date-chip,
  .apply-btn-large {
    width: 100%;
    justify-content: center;
  }

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

  .format-card-top {
    align-items: flex-start;
  }

  .apply-overlay {
    width: calc(100vw - 1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}