:root {
  --black: #070707;
  --ink: #111827;
  --blue: #00d4ff;
  --orange: #f59b00;
  --white: #ffffff;
  --soft: #f5f7fb;
  --muted: #6b7280;
  font-family: Inter, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 4%, rgba(0, 212, 255, 0.16), transparent 28rem),
    linear-gradient(180deg, #050608 0, #101820 34rem, var(--soft) 34rem);
  color: var(--ink);
}

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

button,
input,
select {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(7, 7, 7, 0.74);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 900;
  color: var(--white);
}

.brand span {
  display: grid;
  width: 2.3rem;
  height: 2.3rem;
  place-items: center;
  border-radius: 8px;
  background: var(--black);
  color: var(--blue);
}

nav {
  display: flex;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: calc(100vh - 73px);
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.72fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(3rem, 7vw, 7rem) clamp(1rem, 4vw, 4rem);
  background:
    linear-gradient(90deg, rgba(5, 6, 8, 0.96), rgba(5, 6, 8, 0.72) 48%, rgba(5, 6, 8, 0.5)),
    radial-gradient(circle at 82% 18%, rgba(245, 155, 0, 0.28), transparent 28rem);
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(1.08);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: #0b87a4;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Montserrat, Inter, sans-serif;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 7vw, 7rem);
  line-height: 0.9;
  color: var(--white);
}

.hero p {
  max-width: 44rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.65;
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-actions,
.congress-actions,
.experience-board {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.button,
.tab {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0 1.15rem;
  font-weight: 900;
}

.primary {
  background: var(--black);
  color: var(--white);
}

.ghost,
.tab {
  border: 1px solid rgba(17, 24, 39, 0.14);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
}

.hero .ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
}

.hero-manifest {
  display: grid;
  max-width: 38rem;
  gap: 0.35rem;
  margin-top: 1.4rem;
  border-left: 4px solid var(--orange);
  padding-left: 1rem;
  color: var(--white);
}

.hero-manifest span {
  color: rgba(255, 255, 255, 0.68);
}

.tab.active {
  background: var(--orange);
  color: var(--white);
}

.hero-visual {
  display: grid;
  place-items: center;
}

.hero-visual img {
  width: min(78vw, 25rem);
  aspect-ratio: 938 / 1677;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 2rem 5rem rgba(17, 24, 39, 0.24);
}

.floating-card {
  position: absolute;
  width: min(15rem, 42vw);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 1rem 2.4rem rgba(0, 0, 0, 0.2);
  color: #111827;
  font-weight: 700;
}

.floating-card span {
  display: block;
  color: #0b87a4;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.floating-card.top {
  top: 8%;
  right: -4%;
}

.floating-card.bottom {
  left: -6%;
  bottom: 10%;
}

.phrase-rail {
  display: flex;
  gap: 1rem;
  overflow: hidden;
  padding: 1rem 0;
  background: #070707;
  color: var(--white);
  white-space: nowrap;
}

.phrase-rail span {
  min-width: max-content;
  animation: rail 20s linear infinite;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@keyframes rail {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

.value-grid,
.showcase,
.gift-layout,
.segments,
.totem-band,
.demo-panel,
footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 4rem 0;
}

.value-grid article,
.event-card,
.gift,
.segments article,
.demo-panel,
.briefing-help,
.landing-preview,
.guest-list {
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1rem 2rem rgba(17, 24, 39, 0.05);
}

.value-grid article {
  padding: 1.4rem;
}

.value-grid strong {
  color: var(--orange);
}

.value-grid p,
.showcase p,
.segments p,
.totem-band p,
.gift p,
.event-card p,
footer span {
  color: var(--muted);
  line-height: 1.6;
}

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1rem;
  padding: 2rem 0;
}

.city-story {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0;
}

.visual-story {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0 0 3rem;
}

.visual-story article {
  position: relative;
  min-height: 22rem;
  overflow: hidden;
  border-radius: 8px;
  background: #111827;
  box-shadow: 0 1.4rem 3rem rgba(17, 24, 39, 0.16);
}

.visual-story img {
  width: 100%;
  height: 100%;
  min-height: 22rem;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.visual-story article:hover img {
  transform: scale(1.04);
}

.visual-story div {
  position: absolute;
  inset: auto 0 0;
  padding: 1.2rem;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.82));
  color: var(--white);
}

.visual-story span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.visual-story strong {
  font-family: Montserrat, Inter, sans-serif;
  font-size: 1.35rem;
  line-height: 1.05;
}

.city-copy h2 {
  max-width: 12ch;
  font-size: clamp(2.2rem, 4vw, 4.8rem);
  line-height: 0.94;
}

.city-copy p {
  color: var(--muted);
  line-height: 1.65;
}

.city-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.city-collage img {
  width: 100%;
  height: 13rem;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 1rem 2rem rgba(17, 24, 39, 0.12);
}

.city-collage .wide {
  grid-column: span 2;
  height: 18rem;
}

.showcase h2,
.segments h2,
.totem-band h2,
.demo-panel h2 {
  max-width: 14ch;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 0.96;
}

.gift-layout {
  display: grid;
  grid-template-columns: 20rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0 4rem;
}

.event-card {
  align-self: start;
  padding: 1.3rem;
  background:
    linear-gradient(180deg, rgba(245, 155, 0, 0.14), rgba(255, 255, 255, 0.96)),
    #fff;
}

.event-card span,
.gift small {
  color: #0b87a4;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pix-box {
  margin-top: 1rem;
  border-radius: 8px;
  padding: 1rem;
  background: var(--black);
  color: var(--white);
}

.pix-box small {
  display: block;
  color: rgba(255, 255, 255, 0.62);
}

.gift-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.gift {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
}

.gift-visual {
  min-height: 9rem;
  border-radius: 8px;
  background:
    radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.8), transparent 30%),
    linear-gradient(135deg, var(--orange), var(--blue));
  background-position: center;
  background-size: cover;
}


.gift strong {
  font-size: 1.6rem;
}

.gift button {
  min-height: 2.6rem;
  border: 0;
  border-radius: 8px;
  background: var(--black);
  color: var(--white);
  font-weight: 900;
}

.segments {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 2rem 0 4rem;
}

.segments article {
  padding: 1.4rem;
}

li {
  margin-bottom: 0.55rem;
}

.totem-band,
.memory-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem;
  border-radius: 8px;
  background:
    radial-gradient(circle at 82% 10%, rgba(0, 212, 255, 0.28), transparent 18rem),
    #080808;
  color: var(--white);
}

.memory-band {
  margin-top: 1rem;
  background:
    radial-gradient(circle at 80% 16%, rgba(245, 155, 0, 0.28), transparent 18rem),
    #111827;
}

.congress-link {
  background:
    radial-gradient(circle at 80% 16%, rgba(245, 155, 0, 0.32), transparent 18rem),
    #0f4263;
}

.totem-band p,
.memory-band p {
  color: rgba(255, 255, 255, 0.72);
}

.totem-band .primary,
.memory-band .primary {
  background: var(--blue);
  color: #001014;
}

.demo-panel {
  display: grid;
  gap: 1rem;
  margin-top: 4rem;
  padding: 1.3rem;
}

form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  align-items: end;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 800;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 8px;
  padding: 0.85rem;
  background: #fff;
}

#eventForm button {
  align-self: end;
}

.briefing-help,
.landing-preview {
  padding: 1rem;
}

.travel-preview {
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  padding: 1rem;
  background:
    radial-gradient(circle at 86% 4%, rgba(245, 155, 0, 0.16), transparent 16rem),
    #ffffff;
  box-shadow: 0 1rem 2rem rgba(17, 24, 39, 0.05);
}

.travel-preview h3 {
  margin: 0 0 0.5rem;
}

.travel-preview p {
  color: var(--muted);
  line-height: 1.6;
}

.mini-gift-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.mini-gift-grid article {
  display: grid;
  gap: 0.35rem;
  border-radius: 8px;
  padding: 0.8rem;
  background: #f8fafc;
}

.mini-gift-grid span {
  color: #0b87a4;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mini-gift-grid p {
  margin: 0;
  font-size: 0.92rem;
}

.mini-gift-grid small {
  color: var(--black);
  font-size: 1rem;
  font-weight: 900;
}

.briefing-help {
  background: #f8fafc;
}

.briefing-help h3,
.landing-preview h3 {
  margin: 0 0 0.7rem;
}

.briefing-help ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.6;
}

.landing-preview {
  display: grid;
  gap: 0.8rem;
  background:
    radial-gradient(circle at 84% 10%, rgba(0, 212, 255, 0.12), transparent 18rem),
    #ffffff;
}

.preview-hero {
  display: grid;
  gap: 0.45rem;
  border-radius: 8px;
  padding: 1rem;
  background: #0b1220;
  color: #fff;
}

.preview-hero span {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.preview-grid div {
  border-radius: 8px;
  padding: 0.8rem;
  background: #f1f5f9;
  color: #334155;
  font-weight: 800;
}

.guest-list {
  padding: 1rem;
}

.guest-list div div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 4rem 0 2rem;
}

@media (max-width: 860px) {
  nav {
    overflow-x: auto;
  }

  .hero,
  .value-grid,
  .showcase,
  .city-story,
  .visual-story,
  .gift-layout,
  .segments,
  .preview-grid,
  .mini-gift-grid,
  form {
    grid-template-columns: 1fr;
  }

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

  .totem-band,
  .memory-band,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}