:root{
  --bg: #000000;
  --bg-panel: #0c110d;
  --bg-panel-2: #10160f;
  --line: rgba(244,246,241,0.09);
  --line-strong: rgba(244,246,241,0.16);
  --text-main: #F4F6F1;
  --text-muted: #939C8E;
  --text-dim: #5E665A;
  --green-brand: #86BC25;
  --green-acid: #C8FF3D;
  --green-deep: #4C7A16;
  --radius: 2px;
}

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

html{ scroll-behavior:smooth; }

body{
  background: var(--bg);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3{
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.mono{
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.04em;
}

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

.wrap{
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 720px){
  .wrap{ padding: 0 22px; }
}

/* ---------- Waveform signature element ---------- */
.waveform{
  display:flex;
  align-items:flex-end;
  gap: 3px;
  height: 100%;
  width: 100%;
}
.waveform span{
  flex: 1 0 auto;
  width: 3px;
  background: linear-gradient(180deg, var(--green-acid) 0%, var(--green-brand) 55%, transparent 100%);
  border-radius: 2px;
  opacity: 0.85;
  animation: pulse 3.6s ease-in-out infinite;
}
@keyframes pulse{
  0%, 100%{ transform: scaleY(0.6); }
  50%{ transform: scaleY(1); }
}

.divider-wave{
  height: 26px;
  display:flex;
  align-items:center;
  gap: 4px;
  opacity: 0.55;
  margin: 0 0 0 0;
}
.divider-wave span{
  width: 2px;
  background: var(--green-brand);
  border-radius: 1px;
}

/* ---------- Header ---------- */
header{
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 50;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
header .wrap{
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 18px 36px 18px;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 96px 0 40px;
}
.lockup{
  display:flex;
  align-items:center;
  gap: 26px;
}
.lockup .deloitte{
  font-family:'Space Grotesk', sans-serif;
  font-weight:700;
  font-size: 21px;
  letter-spacing: -0.01em;
  display:flex;
  align-items:flex-start;
  gap:3px;
}
.lockup .deloitte .dot{
  color: var(--green-acid);
  font-size: 26px;
  line-height: 0.6;
}
.lockup .divider{
  width:1px;
  height: 26px;
  background: var(--line-strong);
}
.lockup .dell{
  display:flex;
  flex-direction: column;
  gap: 2px;
}
.lockup .dell .name{
  font-family:'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}
.lockup .dell .sub{
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.header-cta{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 11px 20px;
  border: 1px solid var(--green-brand);
  color: var(--green-acid);
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.header-cta:hover{
  background: var(--green-brand);
  color: #06090a;
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-full{
  position: relative;
}
.hero-bg{
  width: 100%;
  height: 680px;
  display: block;
  object-fit: cover;
  object-position: 10% center;
}
.hero-inner{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
}
.hero-content{
  padding: 96px 56px 72px 40px;
  display:flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
  max-width: 620px;
}
@media (max-width: 900px){
  .hero-bg{ height: 420px; }
  .hero-content{ padding: 56px 22px 48px; }
  .hero-inner{ align-items: flex-start; }
  .hero-bg{ object-position: center center; }
}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.hero h1{
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.08;
  max-width: 620px;
  margin-bottom: 34px;
}
.hero h1 .accent{ color: var(--green-acid); }

.hero-cta{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  width: fit-content;
  background: var(--green-brand);
  color: #06090a;
  font-family:'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 17px 30px;
  border-radius: var(--radius);
  margin-bottom: 48px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.hero-cta:hover{
  background: var(--green-acid);
  transform: translateY(-1px);
}

.hero-meta{
  display:flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
  max-width: 520px;
}
.hero-meta .row{
  display:flex;
  gap: 14px;
  font-size: 15px;
}
.hero-meta .label{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green-brand);
  width: 92px;
  flex-shrink: 0;
  padding-top: 2px;
}
.hero-meta .value{ color: var(--text-main); }
.hero-meta .value .muted{ color: var(--text-muted); }

.hero-visual{
  position: relative;
  background: radial-gradient(ellipse at 30% 50%, rgba(134,188,37,0.14) 0%, transparent 60%);
  border-left: 1px solid var(--line);
}
@media (max-width: 900px){
  .hero-visual{ height: 220px; border-left: none; border-top: 1px solid var(--line); }
}
.hero-visual .waveform{
  padding: 0 24px;
}
.hero-visual img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.hero-visual .waveform span:nth-child(3n){ animation-delay: 0.3s; }
.hero-visual .waveform span:nth-child(5n){ animation-delay: 0.6s; }
.hero-visual .waveform span:nth-child(7n){ animation-delay: 0.9s; }

@media (prefers-reduced-motion: reduce){
  .waveform span{ animation: none; transform: scaleY(0.85); }
}

/* ---------- Section shell ---------- */
section{
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 720px){
  section{ padding: 56px 0; }
}
.section-head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}
.section-head .index{
  font-family:'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--green-brand);
}
.section-head h2{
  font-size: clamp(24px, 3vw, 32px);
}

/* ---------- Context / letter ---------- */
.context{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
@media (max-width: 900px){
  .context{ grid-template-columns: 1fr; gap: 32px; }
}
.context p{
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 20px;
  max-width: 520px;
}
.context p:last-child{ margin-bottom: 0; }
.context strong{ color: var(--text-main); font-weight: 600; }
.context .callout{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--green-brand);
  padding: 28px 30px;
  font-size: 15px;
  color: var(--text-main);
}

/* ---------- Event details cards ---------- */
.details-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 720px){
  .details-grid{ grid-template-columns: 1fr; }
}
.detail-card{
  background: var(--bg-panel);
  padding: 34px 30px;
}
.detail-card .tag{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-brand);
  margin-bottom: 14px;
}
.detail-card .main{
  font-family:'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 19px;
  margin-bottom: 6px;
}
.detail-card .sub{
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- What to expect ---------- */
.expect-list{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 720px){
  .expect-list{ grid-template-columns: 1fr; }
}
.expect-item{
  background: var(--bg);
  padding: 28px 30px;
  display:flex;
  gap: 18px;
}
.expect-item .num{
  font-family:'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--text-dim);
  padding-top: 2px;
}
.expect-item p{
  font-size: 15px;
  color: var(--text-main);
}

/* ---------- Agenda cards ---------- */
.agenda-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
@media (max-width: 860px){
  .agenda-grid{ grid-template-columns: 1fr; }
}
.agenda-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px 30px;
  display:flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 20px 45px rgba(0,0,0,0.12);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.agenda-card:hover{
  transform: translateY(-3px);
  border-color: rgba(255,255,255,0.12);
  background: rgba(12,16,19,0.92);
}
.agenda-card__time{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-acid);
}
.agenda-card__title{
  font-family:'Space Grotesk', sans-serif;
  font-size: 19px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text-main);
}
.agenda-card__detail{
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

/* ---------- Format strip ---------- */
.format-strip{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 26px 34px;
  margin-top: 48px;
}
.format-strip .txt{
  font-size: 14px;
  color: var(--text-muted);
  max-width: 640px;
}
.format-strip .txt strong{ color: var(--text-main); }

/* ---------- RSVP ---------- */
.rsvp{
  background: var(--bg);
  border: none;
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.rsvp-inner{
  display:grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 40px;
  align-items: stretch;
}
@media (max-width: 900px){
  .rsvp-inner{ grid-template-columns: 1fr; gap: 32px; }
}
.rsvp-content{
  display:flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}
.rsvp h2{
  font-size: clamp(26px, 3.4vw, 38px);
  margin-bottom: 0;
  max-width: 520px;
}
.rsvp p{
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.9;
}
.rsvp-actions{
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
}
.rsvp-actions a{
  min-width: 170px;
}
.btn-primary{
  background: var(--green-brand);
  color: #06090a;
  font-family:'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 17px 30px;
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.btn-primary:hover{ background: var(--green-acid); transform: translateY(-1px); }
.btn-secondary{
  border: 1px solid rgba(255,255,255,0.14);
  font-family:'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 16px 28px;
  border-radius: 999px;
  color: var(--text-main);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.btn-secondary:hover{ border-color: var(--green-brand); background: rgba(134,188,37,0.08); }

.rsvp-contact{
  background: transparent;
  border: none;
  padding: 34px 30px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}
.rsvp-contact .tag{
  font-family:'IBM Plex Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-brand);
  margin-bottom: 8px;
}
.rsvp-contact .name{
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 6px;
}
.rsvp-contact .info{
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
}
.rsvp-contact .info a{
  color: var(--text-main);
  text-decoration: underline;
}
.rsvp-contact .info a:hover{ color: var(--green-acid); }

/* ---------- Footer ---------- */
footer{
  padding: 60px 0 40px;
  background: var(--bg);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner{
  display:flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
}
.footer-brand{
  display:flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-brand img{
  max-width: 260px;
  height: auto;
  display: block;
}
.footer-brand .footer-copy{
  color: var(--text-muted);
  font-size: 14px;
}
.footer-social{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-social a{
  width: 44px;
  height: 44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-main);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  font-size: 0.95rem;
}
.footer-social a:hover{
  background: rgba(134,188,37,0.16);
  border-color: rgba(134,188,37,0.35);
  transform: translateY(-1px);
}
.footer-social a span{
  font-size: 1.1rem;
  font-weight: 700;
}
