:root {
  --ink: #0b0c0f;
  --ink-2: #14161c;
  --ink-3: #1c1f28;
  --paper: #eef0f3;
  --paper-2: #f7f8fa;
  --orange: #f54903;
  --orange-2: #ff6b2c;
  --muted: #8b909c;
  --muted-2: #5c6370;
  --line: rgba(255, 255, 255, 0.1);
  --line-dark: rgba(11, 12, 15, 0.1);
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper-2);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  justify-content: center;
  padding: 1rem 1.25rem;
  transition: background 0.35s var(--ease), backdrop-filter 0.35s;
}

.nav.is-scrolled {
  background: rgba(11, 12, 15, 0.78);
  backdrop-filter: blur(14px);
}

.nav__inner {
  width: min(100%, var(--max));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: #fff;
}

.nav__brand span {
  color: var(--orange);
}

.nav__links {
  display: none;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

.nav__links a:hover {
  color: #fff;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
  transition: transform 0.25s var(--ease), background 0.2s;
}

.nav__cta:hover {
  background: var(--orange-2);
  transform: translateY(-1px);
}

@media (min-width: 860px) {
  .nav__links {
    display: flex;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.45rem;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
}

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

.btn--primary {
  background: var(--orange);
  color: #fff;
}

.btn--primary:hover {
  background: var(--orange-2);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.btn--ghost:hover {
  border-color: #fff;
}

.btn--dark {
  background: var(--ink);
  color: #fff;
}

.btn--dark:hover {
  background: #232632;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
  background: var(--ink);
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  animation: heroZoom 18s var(--ease) forwards;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 12, 15, 0.35) 0%, rgba(11, 12, 15, 0.55) 42%, rgba(11, 12, 15, 0.92) 100%),
    radial-gradient(ellipse 70% 50% at 80% 20%, rgba(245, 73, 3, 0.28), transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 7.5rem 0 4.5rem;
}

.hero__brand {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  max-width: 10ch;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 0.9s var(--ease) 0.15s forwards;
}

.hero__brand em {
  font-style: normal;
  color: var(--orange);
}

.hero__lead {
  margin: 0 0 1.75rem;
  max-width: 36rem;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.86);
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s var(--ease) 0.35s forwards;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s var(--ease) 0.5s forwards;
}

.hero__date {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero__tag {
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.9s var(--ease) 0.65s forwards;
}

.hero__motif {
  position: absolute;
  right: 4%;
  bottom: 18%;
  z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.12);
  text-align: right;
  pointer-events: none;
  display: none;
}

@media (min-width: 900px) {
  .hero__motif {
    display: block;
  }
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroZoom {
  to {
    transform: scale(1);
  }
}

/* ---------- Sections common ---------- */
.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section--ink {
  background: var(--ink);
  color: #fff;
}

.section--paper {
  background: var(--paper);
}

.section__eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.section__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.section__text {
  margin: 0;
  max-width: 42rem;
  color: var(--muted-2);
  font-size: 1.05rem;
}

.section--ink .section__text {
  color: rgba(255, 255, 255, 0.72);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- About ---------- */
.about__grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 900px) {
  .about__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
}

.about__visual {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  background: var(--ink-2);
}

.about__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.about__badge {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  padding: 0.85rem 1rem;
  background: rgba(11, 12, 15, 0.82);
  backdrop-filter: blur(10px);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.days {
  display: grid;
  gap: 1rem;
}

.day {
  padding: 1.35rem 0;
  border-top: 1px solid var(--line-dark);
}

.day:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.day__label {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  margin-bottom: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.day__num {
  color: var(--orange);
}

.day p {
  margin: 0;
  color: var(--muted-2);
  font-size: 0.98rem;
}

.day strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
}

.stat {
  padding-top: 1rem;
  border-top: 2px solid var(--orange);
}

.stat__value {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat__label {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
}

/* ---------- Audience ---------- */
.audience {
  display: grid;
  gap: 1px;
  margin-top: 2.5rem;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

@media (min-width: 760px) {
  .audience {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .audience {
    grid-template-columns: repeat(3, 1fr);
  }
}

.audience__item {
  background: var(--paper-2);
  padding: 1.6rem 1.4rem;
  transition: background 0.25s;
}

.audience__item:hover {
  background: #fff;
}

.audience__num {
  display: block;
  margin-bottom: 0.7rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.08em;
}

.audience__item h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.audience__item p {
  margin: 0;
  color: var(--muted-2);
  font-size: 0.95rem;
}

/* ---------- Route / venues ---------- */
.venues {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

@media (min-width: 900px) {
  .venues {
    grid-template-columns: repeat(3, 1fr);
  }
}

.venue {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  background: var(--ink-2);
  color: #fff;
}

.venue img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.venue:hover img {
  transform: scale(1.05);
}

.venue__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(11, 12, 15, 0.92) 100%);
}

.venue__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 360px;
  padding: 1.5rem;
}

.venue__date {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
}

.venue h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.venue p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.venue__price {
  margin-top: 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
}

/* ---------- Program ---------- */
.program-head {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 2rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tab {
  padding: 0.7rem 1rem;
  border: 1px solid var(--line-dark);
  background: transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--muted-2);
  transition: all 0.2s;
}

.tab.is-active,
.tab:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.panel {
  display: none;
}

.panel.is-active {
  display: block;
  animation: fadeIn 0.35s var(--ease);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.panel__intro {
  margin-bottom: 1.75rem;
  max-width: 52rem;
}

.panel__intro h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  letter-spacing: -0.02em;
}

.panel__intro p {
  margin: 0 0 0.7rem;
  color: var(--muted-2);
}

.panel__note {
  padding: 0.85rem 1rem;
  background: rgba(245, 73, 3, 0.08);
  border-left: 3px solid var(--orange);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
}

.timeline {
  display: grid;
  gap: 0;
}

.slot {
  display: grid;
  gap: 0.35rem 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line-dark);
}

@media (min-width: 720px) {
  .slot {
    grid-template-columns: 7.5rem 1fr;
  }
}

.slot__time {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.01em;
}

.slot__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.slot__place {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted-2);
  font-style: italic;
}

.slot__text {
  margin: 0.35rem 0 0;
  color: var(--muted-2);
  font-size: 0.95rem;
}

.slot__live {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--orange);
}

/* ---------- Speakers / details ---------- */
.details {
  margin-top: 2rem;
  display: grid;
  gap: 0.75rem;
}

.details details {
  background: #fff;
  border: 1px solid var(--line-dark);
}

.details summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.015em;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

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

.details summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--orange);
  font-weight: 500;
}

.details details[open] summary::after {
  content: "–";
}

.details__body {
  padding: 0 1.25rem 1.35rem;
  color: var(--muted-2);
  font-size: 0.95rem;
}

.details__body h4 {
  margin: 1rem 0 0.5rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.details__body ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
}

.details__body li {
  margin-bottom: 0.35rem;
}

.speaker {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line-dark);
}

.speaker:first-of-type {
  border-top: 0;
}

.speaker strong {
  color: var(--ink);
}

.speaker em {
  display: block;
  margin-top: 0.25rem;
  font-style: normal;
  color: var(--orange);
  font-weight: 700;
  font-size: 0.9rem;
}

/* ---------- Atmosphere strip ---------- */
.strip {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 280px;
}

@media (min-width: 800px) {
  .strip {
    grid-template-columns: repeat(4, 1fr);
    min-height: 320px;
  }
}

.strip__item {
  position: relative;
  overflow: hidden;
  min-height: 220px;
}

.strip__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 220px;
  transition: transform 1s var(--ease);
}

.strip__item:hover img {
  transform: scale(1.06);
}

.strip__label {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.4rem 0.7rem;
  background: rgba(11, 12, 15, 0.75);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Hotels ---------- */
.hotels {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (min-width: 900px) {
  .hotels {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hotel {
  padding: 1.5rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.hotel__logo {
  height: 48px;
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
}

.hotel__logo img {
  max-height: 42px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.hotel__logo img[src*="accor"] {
  filter: none;
  background: #fff;
  padding: 0.35rem 0.5rem;
}

.hotel h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.hotel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
}

.promo {
  display: inline-flex;
  margin-top: 1.5rem;
  padding: 0.65rem 1rem;
  border: 1px dashed rgba(245, 73, 3, 0.6);
  color: var(--orange-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

/* ---------- CTA / Register ---------- */
.cta {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}

.cta__bg {
  position: absolute;
  inset: 0;
  opacity: 0.35;
}

.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 12, 15, 0.95) 0%, rgba(11, 12, 15, 0.75) 55%, rgba(245, 73, 3, 0.35) 100%);
}

.cta__inner {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  display: grid;
  gap: 1.5rem;
  max-width: 40rem;
}

.cta__inner h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.cta__inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
}

/* ---------- Footer ---------- */
.footer {
  background: #07080a;
  color: rgba(255, 255, 255, 0.7);
  padding: 3.5rem 0 2rem;
}

.footer__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.footer__brand {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.footer__brand span {
  color: var(--orange);
}

.footer h4 {
  margin: 0 0 0.85rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer a {
  display: block;
  margin-bottom: 0.45rem;
  transition: color 0.2s;
}

.footer a:hover {
  color: #fff;
}

.footer__org {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .footer__org {
    grid-template-columns: auto 1fr;
    align-items: center;
  }
}

.footer__org img {
  max-width: 180px;
  opacity: 0.9;
}

.footer__copy {
  margin: 1.5rem 0 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer__dev {
  margin: 0.65rem 0 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer__dev a {
  display: inline;
  color: #fff;
  font-weight: 700;
  border-bottom: 1px solid rgba(245, 73, 3, 0.7);
  transition: color 0.2s, border-color 0.2s;
}

.footer__dev a:hover {
  color: var(--orange-2);
  border-bottom-color: var(--orange-2);
}

/* ---------- Motif wordmark ---------- */
.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 12vw, 8rem);
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: rgba(11, 12, 15, 0.05);
  text-align: center;
  user-select: none;
  pointer-events: none;
  margin: -1rem 0;
}

.section--ink .wordmark {
  color: rgba(255, 255, 255, 0.04);
}