/* ══════════════════════════════════════════════════════
   TEMPLATE-12 — Prestige Afterwork · Corporate Startup
   Palette : Charcoal · Or · Blanc · Bleu nuit
   ══════════════════════════════════════════════════════ */

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

:root {
  --night:   #0d0f1a;
  --night2:  #161929;
  --navy:    #1a2040;
  --navy2:   #242b52;
  --gold:    #c9a96e;
  --gold2:   #dfc28c;
  --gold3:   #f0dbb0;
  --gold4:   #faf3e0;
  --white:   #ffffff;
  --off-white:#f8f8fc;
  --ink:     #0d0f1a;
  --muted:   rgba(255,255,255,.45);
  --muted2:  rgba(255,255,255,.65);
  --line:    rgba(201,169,110,.2);

  --shadow-sm: 0 4px 20px rgba(13,15,26,.12);
  --shadow-md: 0 12px 40px rgba(13,15,26,.22);
  --shadow-lg: 0 24px 70px rgba(13,15,26,.35);
  --glow:      0 0 40px rgba(201,169,110,.15);

  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans:  'Jost', system-ui, sans-serif;

  --r:  14px;
  --r2: 8px;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-weight: 300;
  background: var(--off-white);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a   { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ── 1. Intro ── */
.intro {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--night);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
#grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.intro-dissolve {
  position: absolute;
  inset: 0;
  background: var(--off-white);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}
.intro-dissolve.active { opacity: 1; }

.intro-content {
  position: relative;
  text-align: center;
  padding: 40px 32px;
  animation: fade-in-up .8s var(--ease) both;
}
.intro-logo {
  width: 52px;
  height: 52px;
  border: 1.5px solid var(--gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  font-size: 22px;
  color: var(--gold);
  animation: fade-in-up .8s .05s var(--ease) both;
}
.intro-overline {
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  animation: fade-in-up .8s .1s var(--ease) both;
}
.intro-company {
  font-family: var(--sans);
  font-size: clamp(34px, 9vw, 64px);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 10px;
  animation: fade-in-up .8s .18s var(--ease) both;
}
.intro-company span { color: var(--gold); }
.intro-tagline {
  font-size: clamp(13px, 2.5vw, 16px);
  color: var(--muted);
  letter-spacing: .04em;
  margin-bottom: 36px;
  animation: fade-in-up .8s .25s var(--ease) both;
}
.intro-rule {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 36px;
  animation: fade-in-up .8s .28s var(--ease) both;
}
#reveal-btn {
  position: relative;
  padding: 14px 38px;
  background: var(--gold);
  border: none;
  border-radius: var(--r2);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--night);
  cursor: pointer;
  overflow: hidden;
  transition: background .3s, transform .2s, box-shadow .2s;
  box-shadow: 0 8px 28px rgba(201,169,110,.3);
  animation: fade-in-up .8s .33s var(--ease) both;
}
#reveal-btn:hover {
  background: var(--gold2);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201,169,110,.45);
}

/* ── 2. Nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .4s, box-shadow .4s, padding .3s;
}
.nav.scrolled {
  background: rgba(13,15,26,.94);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(201,169,110,.12);
  padding: 14px 40px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav__brand-icon {
  width: 32px;
  height: 32px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--gold);
}
.nav__brand-name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--white);
}
.nav__links { display: flex; gap: 36px; list-style: none; align-items: center; }
.nav__links a {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .25s;
}
.nav__links a:hover { color: var(--gold); }
.nav__cta {
  padding: 9px 22px;
  background: var(--gold) !important;
  border-radius: var(--r2);
  color: var(--night) !important;
  font-weight: 600 !important;
  font-size: 11px !important;
  letter-spacing: .14em;
  transition: background .25s, transform .2s !important;
}
.nav__cta:hover { background: var(--gold2) !important; transform: translateY(-1px); }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--white);
}

/* Mobile drawer */
.nav-drawer {
  position: fixed;
  top: 0; right: -100%;
  width: min(320px, 90vw);
  height: 100%;
  background: var(--night2);
  z-index: 600;
  padding: 70px 32px 40px;
  transition: right .38s var(--ease);
  border-left: 1px solid var(--line);
}
.nav-drawer.open { right: 0; }
.nav-drawer__close {
  position: absolute;
  top: 20px; right: 20px;
  background: none; border: none;
  font-size: 20px;
  color: var(--muted);
  cursor: pointer;
}
.nav-drawer__links { list-style: none; }
.nav-drawer__links li { border-bottom: 1px solid rgba(255,255,255,.06); }
.nav-drawer__links a {
  display: block;
  padding: 16px 0;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--muted2);
}
.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 550;
  opacity: 0; pointer-events: none;
  transition: opacity .35s;
}
.nav-overlay.visible { opacity: 1; pointer-events: auto; }

/* ── 3. Audio ── */
.audio-btn {
  position: fixed; bottom: 24px; right: 24px; z-index: 400;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--night2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; cursor: pointer; color: var(--gold);
  transition: box-shadow .2s, transform .2s;
}
.audio-btn:hover { box-shadow: var(--glow); transform: scale(1.06); }

/* ── 4. Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--night);
  display: flex;
  align-items: center;
  overflow: hidden;
}
#hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 115%;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(26,32,64,.8) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(201,169,110,.06) 0%, transparent 50%),
    var(--night);
}
/* Subtle grid lines on hero */
#hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,169,110,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,110,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__layout {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 48px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__left {}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--line);
  border-radius: 40px;
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: blink 2s ease-in-out infinite;
}
.hero__title {
  font-family: var(--sans);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 600;
  letter-spacing: -.025em;
  color: var(--white);
  line-height: 1.06;
  margin-bottom: 20px;
}
.hero__title em {
  font-style: normal;
  color: var(--gold);
  display: block;
}
.hero__sub {
  font-size: clamp(14px, 2vw, 17px);
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 420px;
}
.hero__meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}
.hero__meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--muted2);
}
.hero__meta-icon {
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--r2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
  background: rgba(201,169,110,.06);
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  background: var(--gold);
  border-radius: var(--r2);
  color: var(--night);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: background .3s, transform .2s, box-shadow .2s;
  box-shadow: 0 8px 28px rgba(201,169,110,.3);
}
.hero__cta:hover {
  background: var(--gold2);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(201,169,110,.45);
}

/* Right side — countdown card */
.hero__right {}
.hero__card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 40px 36px;
  backdrop-filter: blur(8px);
}
.hero__card-label {
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  text-align: center;
}
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
.countdown__unit {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r);
  padding: 20px 10px;
  text-align: center;
}
.countdown__val {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: -.02em;
  line-height: 1;
  display: block;
}
.countdown__lbl {
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 6px;
}
/* Dress code tags */
.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.hero__tag {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ── 5. About ── */
.about {
  background: var(--off-white);
  padding: 100px 48px;
}
.about__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__label {
  display: block;
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.about__title {
  font-family: var(--serif);
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 400;
  color: var(--night);
  line-height: 1.2;
  margin-bottom: 20px;
}
.about__title em { color: var(--gold); font-style: italic; }
.about__text {
  font-size: 15px;
  line-height: 1.9;
  color: #4a4a6a;
  margin-bottom: 28px;
}
.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stat {
  text-align: center;
  padding: 24px 16px;
  border: 1px solid rgba(201,169,110,.2);
  border-radius: var(--r);
  background: rgba(201,169,110,.03);
}
.stat__val {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 600;
  color: var(--gold);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}
.stat__lbl {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #6a6a8a;
}
/* Mockup/visual placeholder right */
.about__visual {
  background: var(--night);
  border-radius: 20px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.06);
}
.about__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(201,169,110,.12), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(26,32,64,.8), transparent 60%);
}
.about__visual-text {
  position: relative;
  text-align: center;
  color: var(--muted);
}
.about__visual-icon { font-size: 48px; margin-bottom: 12px; }
.about__visual-label { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }

/* ── 6. Agenda ── */
.agenda {
  background: var(--night);
  padding: 100px 48px;
}
.agenda__inner { max-width: 900px; margin: 0 auto; }
.agenda__header { text-align: center; margin-bottom: 64px; }
.agenda__label {
  display: block;
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.agenda__title {
  font-family: var(--serif);
  font-size: clamp(30px, 5vw, 48px);
  color: var(--white);
  font-weight: 400;
}
.agenda__title em { color: var(--gold); font-style: italic; }
.agenda__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.agenda__item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--r);
  padding: 28px 28px 28px 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: border-color .3s, background .3s;
}
.agenda__item:hover {
  border-color: var(--line);
  background: rgba(201,169,110,.04);
}
.agenda__item-time {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  padding-top: 2px;
  min-width: 52px;
}
.agenda__item-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(201,169,110,.1);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.agenda__item-body {}
.agenda__item-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 4px;
}
.agenda__item-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── 7. Dress code ── */
.dresscode {
  background: var(--off-white);
  padding: 80px 48px;
  text-align: center;
}
.dresscode__inner { max-width: 700px; margin: 0 auto; }
.dresscode__swatches {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin: 32px 0;
  flex-wrap: wrap;
}
.swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.swatch__dot {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.swatch__name {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #6a6a8a;
}
.dresscode__rule {
  font-family: var(--serif);
  font-size: 20px;
  font-style: italic;
  color: #3a3a5c;
  margin-bottom: 8px;
}

/* ── 8. RSVP ── */
.rsvp {
  background: var(--night);
  padding: 100px 48px;
}
.rsvp__inner {
  max-width: 580px;
  margin: 0 auto;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 48px 40px;
  border-top: 3px solid var(--gold);
}
.rsvp__header { text-align: center; margin-bottom: 36px; }
.rsvp__label {
  display: block;
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.rsvp__title {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 400;
  color: var(--white);
}
.rsvp__title em { color: var(--gold); font-style: italic; }
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}
.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r2);
  background: rgba(255,255,255,.06);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 300;
  color: var(--white);
  transition: border-color .25s, background .25s;
  outline: none;
}
.form-control::placeholder { color: rgba(255,255,255,.25); }
.form-control:focus {
  border-color: rgba(201,169,110,.5);
  background: rgba(255,255,255,.08);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Presence */
.presence-group { display: flex; gap: 12px; }
.presence-opt { flex: 1; }
.presence-opt input { position: absolute; opacity: 0; pointer-events: none; }
.presence-opt__label {
  display: block;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r2);
  text-align: center;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted2);
  transition: border-color .25s, background .25s, color .25s;
}
.presence-opt input:checked + .presence-opt__label {
  border-color: var(--gold);
  background: rgba(201,169,110,.1);
  color: var(--gold);
}

/* Number input */
.number-input {
  display: flex;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r2);
  overflow: hidden;
}
.number-input__btn {
  width: 44px; height: 48px;
  background: rgba(255,255,255,.06);
  border: none;
  font-size: 20px;
  color: var(--gold);
  cursor: pointer;
  flex-shrink: 0;
  transition: background .2s;
}
.number-input__btn:hover { background: rgba(201,169,110,.12); }
.number-input input {
  flex: 1; border: none;
  text-align: center;
  font-size: 16px; font-weight: 500;
  color: var(--white);
  height: 48px; outline: none;
  background: transparent;
}

/* Captcha */
.captcha-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.captcha-row .form-control { max-width: 80px; }
.captcha-question { font-size: 14px; color: var(--muted2); }
.captcha-question strong { color: var(--gold); }

/* Submit */
.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--gold);
  color: var(--night);
  border: none;
  border-radius: var(--r2);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .3s, transform .2s, box-shadow .2s;
  box-shadow: 0 8px 28px rgba(201,169,110,.3);
}
.btn-submit:hover:not(:disabled) {
  background: var(--gold2);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201,169,110,.45);
}
.btn-submit:disabled { opacity: .5; cursor: not-allowed; }
.rsvp-feedback {
  margin-top: 18px; padding: 14px 18px;
  border-radius: var(--r2);
  font-size: 14px; line-height: 1.6; display: none;
}
.rsvp-feedback.ok  { background: rgba(46,125,50,.2); color: #81c784; border: 1px solid rgba(46,125,50,.3); display: block; }
.rsvp-feedback.err { background: rgba(198,40,40,.2); color: #e57373; border: 1px solid rgba(198,40,40,.3); display: block; }

/* ── 9. Footer ── */
.footer {
  background: var(--night);
  border-top: 1px solid rgba(255,255,255,.05);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__brand {
  font-weight: 600;
  font-size: 15px;
  color: var(--white);
  letter-spacing: .04em;
}
.footer__brand span { color: var(--gold); }
.footer__meta {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .08em;
}
.footer__credit {
  font-size: 11px;
  color: rgba(255,255,255,.25);
  letter-spacing: .06em;
}
.footer__credit a { color: var(--gold); opacity: .7; }

/* ── 10. Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── 11. Keyframes ── */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: .3; }
}

/* ── 12. Responsive ── */
@media (max-width: 900px) {
  .hero__layout { grid-template-columns: 1fr; gap: 40px; padding: 110px 28px 60px; }
  .hero__right { max-width: 480px; }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .about__visual { display: none; }
  .agenda__grid { grid-template-columns: 1fr; }
  .about { padding: 70px 28px; }
  .agenda { padding: 70px 28px; }
  .dresscode { padding: 60px 28px; }
  .rsvp { padding: 70px 28px; }
  .footer { padding: 30px 28px; flex-direction: column; text-align: center; }
}
@media (max-width: 600px) {
  .nav { padding: 16px 20px; }
  .nav.scrolled { padding: 12px 20px; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .about__stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .rsvp__inner { padding: 32px 20px; }
}