:root {
  --ink: #0f0d0c;
  --ink-2: #181614;
  --ink-3: #242220;
  --crimson: #7a1030;
  --crimson-bright: #961440;
  --crimson-glow: rgba(122, 16, 48, .12);
  --silver-acc: #b4bcc8;
  --silver-soft: rgba(168, 176, 188, .12);
  --silver-dim: rgba(168, 176, 188, .5);
  --gold: #c89b3c;
  --gold-soft: rgba(200, 155, 60, .1);
  --ash: #9e9590;
  --fog: #cdc6be;
  --cream: #f0ebe4;
  --white: #faf8f5;
  --pure: #fff;
}

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

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

body {
  font-family: 'Outfit', sans-serif;
  background: var(--ink);
  color: var(--fog);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Animations ── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(.92) translateY(30px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes lineSweep {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}


/* ── Reveal utility ── */

.reveal { opacity: 0; }
.reveal.visible { animation: fadeUp .65s ease forwards; }
.reveal-d1 { animation-delay: .08s !important; }
.reveal-d2 { animation-delay: .16s !important; }
.reveal-d3 { animation-delay: .24s !important; }
.reveal-d4 { animation-delay: .32s !important; }
.reveal-d5 { animation-delay: .4s !important; }

/* ── Layout ── */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: .75rem;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
}

/* ── Nav ── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: padding .3s, background .3s, border-color .3s, backdrop-filter .3s;
}

nav.scrolled {
  padding: .8rem 2.5rem;
  background: rgba(15, 13, 12, .95);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, .06);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.nav-logo-img {
  height: 28px;
  width: auto;
}

.nav-acronym {
  font-family: 'JetBrains Mono', monospace;
  font-size: .5rem;
  letter-spacing: .18em;
  color: var(--white);
  text-transform: uppercase;
  display: none;
  transition: color .3s;
}

nav.scrolled .nav-acronym { color: var(--silver-acc); }

.nav-links {
  display: flex;
  gap: 2.25rem;
  align-items: center;
}

.nav-links a {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--white);
  transition: color .3s;
  position: relative;
}

nav.scrolled .nav-links a { color: var(--ash); }
nav.scrolled .nav-links a:hover { color: var(--white); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--silver-acc);
  transition: width .3s;
}

.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--crimson) !important;
  color: var(--white) !important;
  padding: .55rem 1.4rem !important;
  font-weight: 600 !important;
  transition: background .2s, transform .15s !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--crimson-bright) !important; transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fog);
  margin-bottom: 5px;
}

.nav-toggle span:last-child { margin-bottom: 0; }

/* ── Hero ── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 2.5rem 5rem;
  position: relative;
  overflow: hidden;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(15, 13, 12, .4) 0%, rgba(15, 13, 12, .7) 60%, var(--ink) 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 55% at 55% 40%, rgba(122, 16, 48, .18) 0%, transparent 70%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, .03) 1px, transparent 0);
  background-size: 48px 48px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-kicker {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--silver-acc);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  animation: fadeUp .6s .1s both;
}

.hero-kicker::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--silver-acc);
}

.hero-logo {
  display: block;
  height: clamp(5rem, 14vw, 12rem);
  width: auto;
  margin-bottom: .4rem;
  opacity: 0;
  animation: logoReveal 1.2s .1s cubic-bezier(.16, 1, .3, 1) forwards;
}

@keyframes logoReveal {
  0% {
    opacity: 0;
    transform: translateY(50px) scale(.85);
    filter: blur(20px) brightness(2);
  }
  40% {
    opacity: 1;
    filter: blur(0) brightness(1.8);
  }
  70% {
    transform: translateY(-4px) scale(1.01);
    filter: blur(0) brightness(1.2);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0) brightness(1);
  }
}

.hero-title-line {
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--crimson-bright), rgba(150, 20, 64, .3), transparent);
  margin-top: .35rem;
  margin-bottom: .6rem;
  transform-origin: left;
  animation: lineSweep .8s .9s ease both;
  width: min(400px, 60%);
}

.hero-subtitle {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  color: var(--ash);
  font-style: italic;
  font-weight: 400;
  margin-bottom: 1rem;
  animation: fadeUp .7s .55s both;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fog);
  max-width: 540px;
  font-weight: 300;
  margin-bottom: 2.5rem;
  animation: fadeUp .7s .65s both;
}

.hero-desc strong { color: var(--white); font-weight: 600; }

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: rgba(255, 255, 255, .3);
  font-family: 'JetBrains Mono', monospace;
  font-size: .55rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  animation: fadeIn 1s 1.5s both;
}

.scroll-chevron { animation: pulse 2s ease infinite; }

/* ── About ── */

.about {
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.about-intro {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.intro-label {
  padding: 3.5rem 2.5rem;
  border-right: 1px solid rgba(255, 255, 255, .07);
  display: flex;
  align-items: center;
}

.intro-label span {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ash);
}

.intro-text {
  padding: 3.5rem 3rem;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.8;
  color: var(--fog);
  font-weight: 400;
}

.intro-text strong { color: var(--white); font-weight: 700; }

.about-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.about-pillar {
  padding: 2.5rem;
  border-right: 1px solid rgba(255, 255, 255, .07);
}

.about-pillar:last-child { border-right: none; }

.about-pillar-icon {
  width: 44px;
  height: 44px;
  background: var(--silver-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.about-pillar h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: .5rem;
}

.about-pillar p {
  font-size: .88rem;
  color: var(--ash);
  line-height: 1.7;
  font-weight: 300;
}

.about-personas {
  padding: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, .07);
}

.about-personas-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: 1.25rem;
}

.about-persona-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.about-persona {
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 10px;
  padding: .85rem 1.25rem;
  font-family: 'Outfit', sans-serif;
  font-size: .9rem;
  color: var(--fog);
  font-style: italic;
}

/* ── Sessions ── */

.sessions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, .07);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.sessions-left {
  padding: 5rem 2.5rem;
  border-left: 1px solid rgba(255, 255, 255, .07);
  background: var(--ink-2);
  order: 2;
}

.sessions-left .eyebrow::before { background: var(--silver-acc); }

.sessions-heading {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--white);
  line-height: 1;
  letter-spacing: .05em;
  margin-bottom: 1.75rem;
}

.sessions-desc {
  font-size: .95rem;
  color: var(--ash);
  line-height: 1.8;
  font-weight: 300;
  max-width: 420px;
  margin-bottom: 2.5rem;
}

.sessions-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.sessions-meta-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .55rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: .2rem;
}

.sessions-meta-value {
  font-size: 1.05rem;
  color: var(--white);
  font-weight: 500;
}

.sessions-meta-sub {
  font-size: .72rem;
  color: var(--ash);
  font-weight: 300;
  margin-top: .15rem;
}

.sessions-right {
  padding: 0;
  order: 1;
}

.session-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  transition: background .25s;
  cursor: pointer;
}

.session-row:last-child { border-bottom: none; }

.session-row:hover { background: var(--ink-2); }

.session-date {
  padding: 1.5rem 1rem;
  border-right: 1px solid rgba(255, 255, 255, .06);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.session-date-month {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--silver-acc);
  font-weight: 500;
  margin-bottom: .2rem;
}

.session-date-day {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.2rem;
  color: var(--white);
  line-height: 1;
  letter-spacing: .04em;
}

.session-body {
  padding: 1.5rem 1.75rem;
}

.session-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: 4px;
  margin-bottom: .6rem;
  font-weight: 500;
}

.tag-foundations  { background: rgba(150, 20, 64, .15); color: #e8607a; }
.tag-productivity { background: var(--gold-soft); color: var(--gold); }
.tag-analysis     { background: rgba(59, 130, 246, .12); color: #60a5fa; }
.tag-business     { background: var(--silver-soft); color: var(--silver-acc); }
.tag-strategy     { background: rgba(244, 114, 182, .1); color: #f472b6; }

.session-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: .2rem;
}

.session-bring {
  font-family: 'Outfit', sans-serif;
  font-size: .85rem;
  color: var(--silver-acc);
  font-style: italic;
  margin-bottom: .5rem;
}


/* ── Modal ── */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .7);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-overlay.active { display: flex; }

.modal-card {
  background: var(--ink-2);
  color: var(--fog);
  border-radius: 20px;
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalPop .4s cubic-bezier(.34, 1.56, .64, 1);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
}

.modal-header {
  padding: 2.25rem 2.25rem 0;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.modal-date-box {
  background: var(--ink-3);
  border-radius: 12px;
  padding: .75rem 1.25rem;
  text-align: center;
  min-width: 72px;
  flex-shrink: 0;
}

.modal-date-box .m-month {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--silver-acc);
  font-weight: 500;
}

.modal-date-box .m-day {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--white);
}

.modal-meta-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ash);
}

.modal-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: .04em;
  color: var(--white);
  line-height: 1;
  margin-top: .15rem;
}

.modal-bring {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  color: var(--silver-acc);
  font-style: italic;
  margin-top: .25rem;
}

.modal-body { padding: 1.75rem 2.25rem; }
.modal-body p { font-size: .95rem; line-height: 1.75; color: var(--fog); }

.modal-outcomes {
  background: var(--ink-3);
  border-radius: 14px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.modal-outcomes-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.modal-outcomes ul { list-style: none; padding: 0; }

.modal-outcomes li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .88rem;
  color: var(--fog);
  margin-bottom: .5rem;
  line-height: 1.5;
}

.modal-outcomes li::before {
  content: '\2192';
  font-family: 'JetBrains Mono', monospace;
  color: var(--silver-acc);
  font-weight: 500;
  flex-shrink: 0;
}

.modal-footer {
  padding: 1.25rem 2.25rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  justify-content: flex-end;
}

.modal-close {
  background: none;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  padding: .6rem 1.5rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--ash);
  cursor: pointer;
  transition: all .2s;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.modal-close:hover { border-color: var(--silver-acc); color: var(--white); }

/* ── Format ── */

.format {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, .07);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.format-left {
  padding: 5rem 2.5rem;
  border-right: 1px solid rgba(255, 255, 255, .07);
  background: var(--ink-2);
}

.format-left .eyebrow { color: var(--silver-acc); margin-bottom: 1.5rem; }
.format-left .eyebrow::before { background: var(--silver-acc); }

.format-heading {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--white);
  line-height: 1;
  letter-spacing: .05em;
  margin-bottom: 1.75rem;
}

.format-desc {
  font-size: .95rem;
  color: var(--ash);
  line-height: 1.8;
  font-weight: 300;
  max-width: 420px;
  margin-bottom: 2.5rem;
}

.format-right { padding: 5rem 2.5rem; }

.format-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  padding: 1.75rem 0;
  align-items: start;
}

.format-row:first-child { border-top: 1px solid rgba(255, 255, 255, .06); }

.format-time {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.7rem;
  color: #c4284e;
  letter-spacing: .04em;
  line-height: 1;
}

.format-time small {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  letter-spacing: .1em;
  color: var(--ash);
  display: block;
  margin-top: .15rem;
}

.format-row-label {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--white);
  font-weight: 600;
  margin-bottom: .3rem;
}

.format-row-desc { font-size: .88rem; color: var(--ash); line-height: 1.6; font-weight: 300; }

.format-bar {
  height: 3px;
  border-radius: 2px;
  margin-top: .75rem;
  transform-origin: left;
}

.format-row:nth-child(1) .format-bar { background: var(--crimson-bright); width: 16.6%; }
.format-row:nth-child(2) .format-bar { background: var(--crimson-bright); width: 75%; }
.format-row:nth-child(3) .format-bar { background: var(--ash); width: 8.3%; }

/* ── Partners ── */

.partners {
  padding: 6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.partners-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.partners-heading {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  color: var(--white);
  letter-spacing: .06em;
  margin-bottom: .75rem;
}

.sponsor-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.sponsor-mark {
  height: 80px;
  padding: 0 2rem;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s;
}

.sponsor-mark img {
  max-height: 44px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
}

.sponsor-mark:hover {
  border-color: rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .08);
}

.contact-card {
  background: var(--crimson);
  border-radius: 20px;
  padding: 2.75rem;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, .06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-card::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 0, 0, .2) 0%, transparent 70%);
  pointer-events: none;
}

.contact-card > * { position: relative; z-index: 2; }

.contact-card h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: .06em;
  color: var(--white);
  margin-bottom: .6rem;
}

.contact-card > p {
  font-size: .9rem;
  color: rgba(255, 255, 255, .7);
  line-height: 1.65;
  margin-bottom: 2rem;
  font-weight: 300;
}

.contact-info-box {
  background: rgba(0, 0, 0, .2);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.75rem;
}

.contact-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: .2rem;
}

.contact-title-text {
  font-size: .82rem;
  color: rgba(255, 255, 255, .6);
  margin-bottom: .6rem;
  font-weight: 300;
}

.contact-org { font-size: .88rem; color: rgba(255, 255, 255, .85); font-weight: 500; }

.contact-link {
  display: inline-block;
  margin-top: .4rem;
  font-size: .82rem;
  color: rgba(255, 255, 255, .5);
  border-bottom: 1px solid rgba(255, 255, 255, .2);
  transition: color .2s;
}

.contact-link:hover { color: var(--white); }

.btn-white {
  display: block;
  width: 100%;
  background: var(--white);
  color: var(--crimson);
  padding: 1rem;
  border: none;
  border-radius: 10px;
  font-size: .88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .15s;
  text-align: center;
}

.btn-white:hover { background: var(--cream); transform: translateY(-1px); }

/* ── Register ── */

.register-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--crimson) 0%, var(--ink) 100%);
  position: relative;
  overflow: hidden;
}

.register-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, .025) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
}

.register-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.register-text { position: relative; z-index: 2; }

.register-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: .92;
  letter-spacing: .04em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.register-title em { color: var(--white); font-style: normal; opacity: .6; }

.register-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, .7);
  line-height: 1.75;
  font-weight: 300;
}

.register-form {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, .07);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 20px;
  padding: 2.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
  margin-bottom: .4rem;
}

.form-group input {
  width: 100%;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 10px;
  padding: .85rem 1rem;
  font-family: 'Outfit', sans-serif;
  font-size: .9rem;
  color: var(--white);
  transition: border-color .2s;
  outline: none;
}

.form-group input::placeholder { color: rgba(255, 255, 255, .3); }
.form-group input:focus { border-color: var(--silver-acc); }

.form-sessions-label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
  margin-bottom: .6rem;
}

.form-session-checks {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  padding: .5rem .85rem;
  cursor: pointer;
  transition: all .2s;
  font-size: .78rem;
  color: rgba(255, 255, 255, .7);
}

.form-check:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .2);
}

.form-check input[type="checkbox"] {
  accent-color: var(--silver-acc);
  width: 14px;
  height: 14px;
}

.form-submit {
  width: 100%;
  background: var(--crimson);
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: 1rem;
  font-family: 'Outfit', sans-serif;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.form-submit:hover { background: var(--crimson-bright); transform: translateY(-1px); }

.form-msg {
  text-align: center;
  font-size: 1rem;
  margin-top: 1.5rem;
  min-height: 1.2em;
  color: rgba(255, 255, 255, .7);
}

.form-msg--ok {
  color: var(--white);
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  line-height: 1.6;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  padding: 2rem;
}

.form-msg--err { color: #f87171; }

.form-footer {
  text-align: center;
  font-size: .72rem;
  color: rgba(255, 255, 255, .4);
  margin-top: 1rem;
  font-weight: 300;
}

/* ── Footer ── */

footer {
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding: 2rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--ink-2);
}

.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.05rem;
  letter-spacing: .1em;
  color: var(--white);
  display: flex;
  align-items: center;
}

.footer-logo {
  height: 20px;
  width: auto;
}

.footer-right { font-size: .72rem; color: var(--ash); font-weight: 300; }
.footer-right a { color: var(--silver-acc); transition: color .2s; }
.footer-right a:hover { color: var(--white); }

/* ── Responsive ── */

@media (min-width: 769px) {
  .nav-acronym { display: block; }
}

@media (max-width: 1024px) {
  .format { grid-template-columns: 1fr; }
  .format-left { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, .07); }
  .sessions { grid-template-columns: 1fr; }
  .sessions-left { order: 0; border-left: none; border-bottom: 1px solid rgba(255, 255, 255, .07); }
  .sessions-right { order: 0; }
  .partners-layout { grid-template-columns: 1fr; }
  .register-layout { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  nav { padding: .9rem 1.5rem; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 13, 12, .96);
    backdrop-filter: blur(16px);
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
  }
  .nav-links.nav-open { display: flex; }
  .nav-toggle { display: flex; flex-direction: column; }
  .hero { padding: 0 1.5rem 3.5rem; }
  .hero-logo { height: clamp(4rem, 18vw, 6rem); }
  .scroll-hint { display: none; }

  .about-intro { grid-template-columns: 1fr; }
  .intro-label { padding: 2rem 1.5rem 0; border-right: none; }
  .intro-text { padding: 1rem 1.5rem 2.5rem; }
  .about-pillars { grid-template-columns: 1fr; }
  .about-pillar { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, .07); padding: 2rem 1.5rem; }
  .about-pillar:last-child { border-bottom: none; }
  .about-personas { padding: 2rem 1.5rem; }

  .sessions-left { padding: 3rem 1.5rem; }
  .sessions-meta { grid-template-columns: 1fr 1fr; }
  .session-body { padding: 1.25rem 1.5rem; }
  .session-date { padding: 1.25rem .75rem; }

  .format-left,
  .format-right { padding: 3rem 1.5rem; }

  .sponsor-row { grid-template-columns: 1fr 1fr; }

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

  footer { padding: 1.5rem; flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-logo { height: 4rem; }
  .sessions-meta { grid-template-columns: 1fr; }
  .sponsor-row { grid-template-columns: 1fr; }
}