@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap");

:root {
  --navy: #071025;
  --ink: #11183b;
  --muted: #69729a;
  --line: #e8ecfb;
  --soft: #f8faff;
  --panel: #ffffff;
  --accent: #5360d9;
  --accent2: #6f78e5;
  --accent3: #8a95f0;
  --purple: var(--accent);
  --purple2: var(--accent2);
  --blue: #5360d9;
  --cyan: #00bcd4;
  --orange: #ff9700;
  --pink: #f04f92;
  --shadow: 0 18px 50px rgba(19, 27, 72, 0.08);
  --radius: 18px;
  --max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: #fff;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
}

.topbar {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  min-height: 92px;
  color: #fff;
  background: transparent;
  box-shadow: none;
  border-bottom: 0;
}

.topbar-inner {
  width: min(var(--max), calc(100% - 96px));
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 28px;
  padding-top: 28px;
}

.brand {
  width: 250px;
  flex-shrink: 0;
}

.brand a {
  display: block;
  font-size: 30px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand span, .footer span { color: var(--purple); }

.brand p {
  margin: 8px 0 0;
  color: rgba(255,255,255,.76);
  font-weight: 600;
}

.brand-logo {
  width: 250px;
  flex-shrink: 0;
  display: block;
}

.brand-logo img {
  display: block;
  height: 56px;
  width: auto;
}

.nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  padding-top: 5px;
  font-weight: 800;
  font-size: 14px;
}

.nav a {
  color: rgba(255,255,255,.88);
}

.nav .active,
.nav a:hover {
  color: var(--accent3);
}

.top-cta {
  margin-top: 0;
  padding: 16px 24px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 14px 32px rgba(83, 96, 217, .35);
}

.hero {
  min-height: 650px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  position: static;
  width: min(var(--max), calc(100% - 96px));
  min-height: 650px;
  margin: 0 auto;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url(assets/hero-bg-xl.png);
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  background-color: #071025;
  pointer-events: none;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7,16,37,.72) 0%, rgba(7,16,37,.46) 20%, rgba(7,16,37,.08) 33%, rgba(7,16,37,.0) 100%),
    linear-gradient(180deg, rgba(7,16,37,.48) 0%, rgba(7,16,37,.10) 62%, rgba(7,16,37,.04) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, calc(100% - 96px));
  margin: 0 0 0 max(48px, 0vw);
  padding-top: 124px;
  color: #fff;
}

.pill {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 24px;
  border-radius: 999px;
  background: #e8ecfb;
  color: #5360d9;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  box-shadow: 0 12px 24px rgba(7, 16, 37, .08);
}

.hero h1 {
  margin: 0 0 30px;
  font-size: clamp(36px, 4.8vw, 64px);
  line-height: 1.18;
  letter-spacing: -0.055em;
  font-weight: 900;
}

.hero h1 span {
  color: var(--accent3);
}

.hero-lead,
.hero-sub {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 600;
  color: rgba(255,255,255,.92);
}

.hero-sub {
  margin-bottom: 42px;
  color: rgba(255,255,255,.82);
}

.event-meta {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 48px;
}

.meta-item {
  min-width: 205px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding-right: 38px;
  margin-right: 34px;
  border-right: 1px solid rgba(255,255,255,.17);
}

.meta-item:last-child {
  border-right: 0;
}

.meta-icon {
  color: #4777ff;
  font-size: 28px;
  font-weight: 900;
}

.meta-item p {
  margin: 0 0 6px;
  color: rgba(255,255,255,.62);
  font-weight: 700;
}

.meta-item strong {
  color: #fff;
  font-size: 16px;
}

.hero-actions {
  display: flex;
  gap: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 9px;
  font-weight: 900;
  font-size: 16px;
  border: 2px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 16px 32px rgba(83,96,217,.25);
}

.btn.dark {
  color: #fff;
  background: rgba(2,6,23,.32);
  border-color: rgba(255,255,255,.75);
}

.btn.outline {
  color: #1fb6ff;
  background: rgba(5,12,31,.36);
  border-color: #3c63ff;
}

.section {
  width: min(var(--max), calc(100% - 96px));
  margin: 0 auto;
  padding: 56px 0;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-title h2,
.section-title-row h2 {
  margin: 0;
  font-size: 29px;
  letter-spacing: -0.04em;
  position: relative;
  padding-left: 18px;
}

.section-title h2::before,
.section-title-row h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 52%;
  width: 8px;
  height: 20px;
  border-radius: 999px;
  transform: translateY(-50%);
  background: linear-gradient(180deg, var(--purple), var(--blue));
  box-shadow: 0 8px 20px rgba(108, 85, 255, 0.22);
}

.section-link {
  color: var(--accent);
  font-weight: 800;
  font-size: 14px;
}

.dates-section {
  padding-top: 54px;
}

.timeline-line {
  height: 2px;
  background: #e5e7ff;
  position: relative;
  margin: 8px 6px 30px;
}

.timeline-line::after {
  content: "";
  position: absolute;
  inset: 0 7%;
  background: radial-gradient(circle at 0% 50%, var(--purple) 0 5px, transparent 6px),
              radial-gradient(circle at 20% 50%, var(--purple) 0 5px, transparent 6px),
              radial-gradient(circle at 40% 50%, var(--purple) 0 5px, transparent 6px),
              radial-gradient(circle at 60% 50%, var(--purple) 0 5px, transparent 6px),
              radial-gradient(circle at 80% 50%, var(--blue) 0 5px, transparent 6px),
              radial-gradient(circle at 100% 50%, var(--blue) 0 5px, transparent 6px);
}

.date-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  padding: 0 24px;
}

.date-card {
  min-height: 0px;
  padding: 28px 18px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  text-align: center;
  box-shadow: 0 10px 26px rgba(26, 34, 86, .04);
}

.date-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 26px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 22px;
}

.purple { background: #9858ef; color: #9858ef; }
.blue { background: #3f7cf3; color: #3f7cf3; }
.teal { background: #28c2bb; color: #28c2bb; }
.orange { background: #ff9f16; color: #ff9f16; }
.violet { background: #7657d9; color: #7657d9; }
.pink { background: #f05393; color: #f05393; }

.date-card h3 {
  margin: 0 0 24px;
  min-height: 48px;
  font-size: 14px;
  line-height: 1.55;
  color: #293056;
}

.date-card strong {
  display: block;
  margin-bottom: 0px;
  font-size: 20px;
  line-height: 1.2;
}

.date-card span {
  display: inline-flex;
  padding: 5px 16px;
  border-radius: 999px;
  background: #efeafe;
  color: var(--accent);
  font-weight: 900;
  font-size: 12px;
}

.news-card {
  display: grid;
  grid-template-columns: 290px 1fr 34px;
  gap: 38px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(29, 38, 98, .04);
}

.news-thumb {
  height: 172px;
  border-radius: 11px;
  background:
    radial-gradient(circle at 50% 25%, rgba(132,101,255,.36), transparent 34%),
    linear-gradient(135deg, #091530, #111b4d);
  display: grid;
  place-items: center;
  color: #987bff;
  text-align: center;
}

.news-badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: -12px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
}

.news-thumb strong {
  font-size: 35px;
  letter-spacing: -0.05em;
}

.news-thumb span {
  margin-top: -22px;
  color: #fff;
  font-weight: 800;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 18px;
  color: #7a84a8;
  font-size: 13px;
  font-weight: 700;
}

.news-meta em {
  padding: 5px 14px;
  border-radius: 999px;
  background: #f0eaff;
  color: var(--accent);
  font-style: normal;
}

.news-body h3 {
  margin: 0 0 18px;
  font-size: 22px;
  letter-spacing: -0.035em;
}

.news-body p {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.75;
}

.news-arrow {
  color: var(--accent);
  font-size: 26px;
  font-weight: 900;
}

.carousel-wrap,
.organizer-row {
  position: relative;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0 26px;
}

.person-card,
.mini-person,
.theme-card,
.challenge-card,
.split-card,
.program-table,
.sponsors-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 26px rgba(26, 34, 86, .04);
}

.person-card {
  min-height: 244px;
  text-align: center;
  padding: 31px 20px 24px;
}

.photo-placeholder {
  width: 140px;
  height: 140px;
  margin: 0 auto 24px;
  border-radius: 999px;
  background: #d9dce5;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.person-card h3,
.mini-person h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.person-card p,
.mini-person p {
  margin: 0 0 12px;
  color: #6b74a2;
  font-size: 12px;
  font-weight: 700;
}

.person-card span {
  color: #98a0bd;
  font-weight: 700;
  font-size: 12px;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 52px;
  border: 0;
  background: transparent;
  color: #9ba3ff;
  font-size: 48px;
  line-height: 1;
  cursor: pointer;
}

.carousel-btn.left { left: -10px; }
.carousel-btn.right { right: -10px; }

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
}

.slider-dots b,
.slider-dots span {
  display: block;
  height: 6px;
  border-radius: 999px;
}

.slider-dots b {
  width: 18px;
  background: var(--accent);
}

.slider-dots span {
  width: 18px;
  background: #e5e8fb;
}

.about-lead {
  max-width: 980px;
  margin: 8px 0 36px;
  padding: 22px 28px;
  border-left: 4px solid var(--purple);
  background: linear-gradient(135deg, rgba(83,96,217,.06), rgba(83,96,217,0));
  border-radius: 0 12px 12px 0;
  color: #3b4366;
  font-size: 16px;
  line-height: 1.75;
}

.about-lead p {
  margin: 0 0 12px;
}

.about-lead p:last-child {
  margin-bottom: 0;
}

.about-lead strong {
  color: var(--purple);
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.theme-card {
  position: relative;
  min-height: 200px;
  padding: 28px 24px 26px;
  text-align: left;
  border-radius: 16px;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.theme-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(26, 34, 86, .08);
}

.theme-icon {
  background: transparent !important;
  width: 52px;
  height: 52px;
  margin: 0 0 18px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 28px;
  font-weight: 900;
}

.theme-icon.purple { background: rgba(83, 96, 217, .12) !important; }
.theme-icon.blue { background: rgba(83, 96, 217, .12) !important; }
.theme-icon.teal { background: rgba(40, 194, 187, .14) !important; }
.theme-icon.orange { background: rgba(255, 159, 22, .14) !important; }

.theme-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: #1f2547;
  letter-spacing: -0.01em;
}

.theme-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  font-weight: 500;
}

.compact {
  padding-top: 28px;
  padding-bottom: 28px;
}

.program-table {
  margin-top: 22px;
  overflow: hidden;
}

.program-table div {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.program-table div:last-child { border-bottom: 0; }

.program-table strong { color: var(--accent); }

.program-table span { font-weight: 700; color: #33406b; }

.split-card {
  margin-top: 22px;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.split-card h3 {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.split-card > div p + h3 {
  margin-top: 22px;
}

.split-card p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-weight: 600;
}

.cfp-check {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 22px;
  background: rgba(83, 96, 217, 0.14);
  color: var(--purple);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(83, 96, 217, 0.08);
}

.submission-format {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.submission-card {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff 0%, #fbfcff 100%);
  box-shadow: var(--shadow);
}

.submission-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.submission-card p,
.submission-note {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  line-height: 1.65;
}

.submission-note {
  grid-column: 1 / -1;
  padding: 0 4px;
}

.subscribe-lead {
  margin: 18px auto 22px;
  max-width: 720px;
  text-align: center;
  color: var(--muted);
  font-weight: 600;
  line-height: 1.6;
}

.tally-embed {
  width: 100%;
  margin: 0;
}

.tally-embed iframe {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.challenge-card {
  padding: 28px;
}

.challenge-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.challenge-card p {
  margin: 0 0 20px;
  color: var(--muted);
  font-weight: 600;
}

.challenge-card a {
  color: var(--accent);
  font-weight: 900;
}

.organizer-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  padding: 0 12px;
}

.mini-person {
  min-height: 220px;
  padding: 24px 14px 18px;
  text-align: center;
}

.mini-photo {
  display: block;
  width: 84px;
  height: 84px;
  margin: 0 auto 16px;
  border-radius: 999px;
  background: #d9dce5;
  background-size: cover;
  background-position: center;
}

.mini-person h3 {
  font-size: 13px;
  line-height: 1.25;
  margin: 0 0 4px;
}

.mini-person p {
  font-size: 11px;
  margin: 0 0 8px;
}

.mini-person span {
  display: block;
  font-size: 11px;
  line-height: 1.45;
  color: #8b92b0;
  font-weight: 500;
}

.bottom-panels {
  display: grid;
  grid-template-columns: .84fr 1fr;
  gap: 18px;
}

.subscribe-card {
  min-height: 215px;
  padding: 34px 32px;
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 22px;
  align-items: start;
  border-radius: 13px;
  background: linear-gradient(135deg, #101f56, #5633d9);
  color: #fff;
  box-shadow: var(--shadow);
}

.mail-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 3px solid #fff;
  font-size: 30px;
}

.subscribe-card h2,
.sponsors-card h2 {
  margin: 0 0 12px;
  font-size: 26px;
  letter-spacing: -0.04em;
}

.subscribe-card p {
  margin: 0 0 24px;
  color: rgba(255,255,255,.78);
  font-weight: 600;
  line-height: 1.7;
}

.sponsors-card {
  padding: 34px;
}

.sponsors-card p {
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 28px;
}

.sponsors-full {
  padding: 56px 48px;
}

.sponsors-full h2 {
  font-size: 28px;
  margin-bottom: 10px;
}

.sponsors-full p {
  font-size: 15px;
  margin-bottom: 36px;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.sponsors-full .sponsor-grid {
  gap: 22px;
}

.sponsor-logo {
  min-height: 78px;
  display: grid;
  place-items: center;
  border: 1.5px dashed #d9def3;
  border-radius: 8px;
  text-align: center;
  color: #68709c;
  font-weight: 900;
  font-size: 14px;
  background: #fff;
}

.sponsors-full .sponsor-logo {
  min-height: 160px;
  font-size: 16px;
}

.footer {
  position: relative;
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.25fr;
  gap: 50px;
  padding: 42px 44px 64px;
  color: #fff;
  background: #071025;
}

.footer h2 {
  margin: 0 0 14px;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.footer h3 {
  margin: 0 0 14px;
  font-size: 15px;
}

.footer p,
.footer a {
  display: block;
  margin: 0 0 8px;
  color: rgba(255,255,255,.68);
  font-size: 14px;
  font-weight: 600;
}

.copyright {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
}

@media (min-width: 1920px) {
  .hero {
    min-height: 700px;
  }

  .hero-bg {
    background-image: url("assets/hero-bg-xl.png");
  }

  .hero-content {
    padding: 124px 0 124px;
    width: min(760px, calc(100% - 96px));
  }
}

@media (max-width: 1250px) {
  /* .topbar {
    position: relative;
    background: #071025;
    height: auto;
    flex-wrap: wrap;
    padding: 24px;
  } */

  .brand { width: auto; }
/* 
  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 16px;
  } */

  .hero-content {
    padding-top: 164px;
    width: min(760px, calc(100% - 96px));
  }

  .hero-bg {
    background-position: 68% center;
  }

  .date-grid,
  .speaker-grid,
  .theme-grid,
  .organizer-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .bottom-panels,
  .footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .topbar {
    position: relative;
    color: var(--ink);
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 24px rgba(26, 34, 86, .05);
  }

  .topbar-inner {
    width: calc(100% - 32px);
    min-height: auto;
    padding: 14px 0;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 18px;
  }

  .brand-logo {
    width: auto;
  }

  .brand-logo img {
    height: 42px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px 14px;
    padding-top: 0;
    font-size: 13px;
  }

  .nav a {
    color: var(--ink);
  }

  .nav .active,
  .nav a:hover {
    color: var(--accent);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    min-height: 560px;
    width: 100%;
  }

  .hero-content {
    width: min(760px, calc(100% - 48px));
    padding-top: 96px;
  }
}

@media (max-width: 760px) {
  .topbar {
    display: none;
  }

  .hero {
    margin-top: 0;
  }

  .hero-bg {
    background-position: 68% center;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(7,16,37,.98) 0%, rgba(7,16,37,.82) 100%);
  }

  .hero-content,
  .section {
    width: calc(100% - 32px);
  }

  .hero-content {
    padding-top: 56px;
    padding-bottom: 36px;
    width: calc(100% - 32px);
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-lead,
  .hero-sub {
    font-size: 16px;
  }

  .event-meta,
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .meta-item {
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.15);
    padding: 0 0 14px;
    margin: 0 0 14px;
  }

  .btn {
    width: auto;
  }

  .hero-actions {
    gap: 14px;
    margin-bottom: 8px;
    align-items: flex-start;
  }

  .hero-actions .btn {
    width: calc(100% - 64px);
    min-height: 48px;
    padding: 0 14px;
    font-size: 14px;
  }

  .section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .section-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .date-grid,
  .speaker-grid,
  .theme-grid,
  .challenge-grid,
  .organizer-row,
  .sponsor-grid,
  .news-card {
    grid-template-columns: 1fr;
    padding-left: 0;
    padding-right: 0;
  }

  .news-card {
    gap: 20px;
  }

  .program-table div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

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

  .split-card,
  .about-lead,
  .challenge-card,
  .theme-card,
  .date-card,
  .mini-person,
  .person-card,
  .sponsors-card {
    padding-left: 18px;
    padding-right: 18px;
  }

  .speaker-grid {
    padding: 0;
  }

  .date-grid,
  .theme-grid,
  .challenge-grid,
  .organizer-row,
  .speaker-grid {
    grid-template-columns: 1fr;
  }

  .submission-format {
    grid-template-columns: 1fr;
  }

  .carousel-btn {
    display: none;
  }

  .footer {
    padding: 36px 24px 70px;
  }
}

@media (max-width: 480px) {
  .topbar-inner {
    width: calc(100% - 20px);
  }

  .hero-content,
  .section {
    width: calc(100% - 20px);
  }

  .pill {
    height: 34px;
    padding: 0 18px;
    font-size: 12px;
    letter-spacing: 0.06em;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero-lead,
  .hero-sub {
    font-size: 15px;
  }

  .hero-content {
    padding-top: 44px;
    padding-bottom: 28px;
  }

  .hero-actions {
    gap: 12px;
    margin-bottom: 0;
    align-items: flex-start;
  }

  .hero-actions .btn {
    width: calc(100% - 56px);
    min-height: 44px;
    font-size: 13px;
    padding: 0 12px;
  }

  .meta-item {
    min-width: 0;
  }

  .date-card h3 {
    min-height: 0;
  }

  .footer {
    gap: 28px;
  }
}