/* ============================================================
   THE MERIDIAN PRIZE — corporate gala invite
   Palette: bottle green #0E2B22 · champagne brass #C9A227 · bone #F5F1E8
   Type: Cormorant Garamond engraved feel + Archivo small-caps wayfinding
   ============================================================ */

:root {
  /* ---- EDIT ME: palette ---- */
  --green: #0E2B22;
  --green-deep: #0A211A;
  --brass: #C9A227;
  --bone: #F5F1E8;
  --bone-dim: rgba(245, 241, 232, 0.65);
  --green-dim: rgba(14, 43, 34, 0.55);

  /* ---- EDIT ME: pacing (from body.entered = REVEAL). Twins in js/main.js.
          Meridian's settle is a PROCESSION: wide gaps, one engraved line at a
          time, each given air before the next. Nothing races anything. ---- */
  --t-intro-fade: 3200ms;   /* longest of the three — stately */
  --t-invite-in: 2400ms;
  --t-overlay-out: 600ms;
  --t-push: 7400ms;         /* twin: 5.0417s / 0.68 = 7414ms */

  --t-line: 1600ms;    --d-line-1: 1150ms;  --d-line-2: 1550ms;
  --t-sub: 1250ms;     --d-sub: 2100ms;
  --t-cta: 1150ms;     --d-cta: 2850ms;
  --t-nav: 1100ms;     --d-nav: 1300ms;

  /* ---- EDIT ME: easing ---- */
  --ease-lux: cubic-bezier(0.19, 1, 0.22, 1);     /* even longer tail — engraved calm */
  --ease-reveal: cubic-bezier(0.33, 0, 0.15, 1);
  --ease-bloom: cubic-bezier(0.42, 0, 0.22, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Archivo', sans-serif;
  background: var(--green-deep);
  color: var(--bone);
  min-height: 100dvh; overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.on-intro { overflow: hidden; }
::selection { background: var(--brass); color: var(--green); }

/* ============ INTRO ============ */
.intro {
  position: fixed; inset: 0; z-index: 50;
  background: var(--green-deep);
  display: grid; place-items: center;
  transition: opacity var(--t-intro-fade) var(--ease-reveal);
  overflow: hidden;
}
.intro.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.intro.hidden { display: none; }

.intro-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; z-index: 1;
  transform: scale(1.03);
  transform-origin: 50% 48%;
  transition: transform var(--t-push) linear;
}
.intro.is-playing .intro-video { transform: scale(1.06); }

.intro-overlay {
  position: absolute; inset: 0; z-index: 5;
  display: flex; flex-direction: column;
  align-items: center; justify-content: space-between;
  padding: clamp(2.5rem, 8vh, 5rem) 1.5rem;
  pointer-events: none;
  transition: opacity var(--t-overlay-out) var(--ease-reveal),
              transform var(--t-overlay-out) var(--ease-reveal);
}
.intro.is-playing .intro-overlay { opacity: 0; transform: translateY(-10px); }

.intro-kicker, .intro-hint {
  font-size: 0.6875rem; letter-spacing: 0.38em; text-transform: uppercase;
  color: var(--bone-dim); text-shadow: 0 1px 10px rgba(10, 33, 26, 0.8);
}
.intro-kicker { animation: rise 0.9s var(--ease-lux) both; }
.intro-hint { animation: breathe 2.6s ease-in-out infinite 1.5s; }

@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes breathe { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }

.intro-hit {
  position: absolute; inset: 0; z-index: 10;
  background: transparent; border: none; cursor: pointer;
}
.intro.is-playing .intro-hit { pointer-events: none; cursor: default; }

/* ============ MAIN INVITE ============ */
.invite {
  min-height: 100dvh;
  background: var(--green);
  color: var(--bone);
  opacity: 0;
  transition: opacity var(--t-invite-in) var(--ease-bloom);
}
body.entered .invite { opacity: 1; }

/* --- hero --- */
.hero {
  min-height: 100dvh;
  display: grid; grid-template-rows: auto 1fr auto;
  padding: 1.4rem clamp(1.2rem, 4vw, 3.5rem) clamp(1.4rem, 3vw, 2.5rem);
  position: relative;
}
.hero::before {
  content: ''; position: absolute; inset: clamp(0.8rem, 1.6vw, 1.4rem);
  border: 1px solid rgba(201, 162, 39, 0.4); pointer-events: none;
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.6875rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--bone-dim); opacity: 0;
}
body.entered .nav { animation: fade-in var(--t-nav) var(--ease-lux) var(--d-nav) forwards; }
.nav-mark { font-family: 'Cormorant Garamond', serif; font-size: 1.05rem; color: var(--brass); letter-spacing: 0.12em; }

.hero-type { align-self: center; display: flex; flex-direction: column; gap: 1.2rem; }

.hero-eyebrow {
  font-size: 0.72rem; letter-spacing: 0.44em; text-transform: uppercase;
  color: var(--brass); opacity: 0;
}
body.entered .hero-eyebrow { animation: fade-in 1s var(--ease-lux) 900ms forwards; }

.hero-line {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3.6rem, 12.5vw, 11rem);
  line-height: 1; letter-spacing: 0.16em;
  text-transform: uppercase; overflow: hidden;
  color: var(--bone);
}
.hero-line span { display: inline-block; transform: translateY(110%); will-change: transform; }
body.entered .hero-line span { animation: line-up var(--t-line) var(--ease-lux) var(--d-line-1) forwards; }
.hero-line--indent { padding-left: clamp(2rem, 10vw, 9rem); }
body.entered .hero-line--indent span { animation-delay: var(--d-line-2); }
@keyframes line-up { to { transform: translateY(0); } }
@keyframes fade-in { to { opacity: 1; } }

.hero-sub {
  display: flex; align-items: center; gap: 1.2rem;
  font-size: 0.8125rem; letter-spacing: 0.26em; text-transform: uppercase;
  opacity: 0;
}
body.entered .hero-sub { animation: fade-in var(--t-sub) var(--ease-lux) var(--d-sub) forwards; }
.hero-season { color: var(--brass); font-weight: 600; }
.hero-rule { width: 3rem; height: 1px; background: var(--brass); }

.hero-cta {
  justify-self: start; align-self: end;
  display: inline-block; padding: 1rem 1.7rem;
  border: 1px solid var(--brass); color: var(--bone);
  text-decoration: none; font-size: 0.6875rem; letter-spacing: 0.3em;
  text-transform: uppercase; position: relative; overflow: hidden; z-index: 1;
  opacity: 0;
}
body.entered .hero-cta { animation: fade-in var(--t-cta) var(--ease-lux) var(--d-cta) forwards; }
.hero-cta::before {
  content: ''; position: absolute; inset: 0;
  background: var(--brass); transform: translateY(101%);
  transition: transform 0.35s var(--ease-lux); z-index: -1;
}
.hero-cta:hover::before { transform: translateY(0); }
.hero-cta:hover { color: var(--green); }

/* --- details --- */
.details {
  background: var(--green-deep);
  padding: clamp(3rem, 8vw, 6.5rem) clamp(1.2rem, 4vw, 3.5rem);
}
.details-grid {
  max-width: 1400px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
}
.d-cell { display: flex; flex-direction: column; gap: 0.9rem; padding-top: 1.1rem; border-top: 1px solid rgba(201,162,39,0.35); }
.d-label { font-size: 0.625rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--brass); }
.d-value { font-size: 0.95rem; line-height: 1.55; font-weight: 300; }

/* --- programme --- */
.programme { padding: clamp(3.5rem, 9vw, 7.5rem) clamp(1.2rem, 4vw, 3.5rem); }
.p-kicker { font-size: 0.6875rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--bone-dim); margin-bottom: 2.2rem; }
.p-list { list-style: none; max-width: 1400px; margin: 0 auto; }
.p-list li {
  display: flex; align-items: baseline; gap: 2.5rem;
  padding: 1.4rem 0; border-bottom: 1px solid rgba(245,241,232,0.14);
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.15rem, 2.4vw, 1.7rem);
}
.p-list li span:first-child { font-family: 'Archivo', sans-serif; font-size: 0.75rem; letter-spacing: 0.2em; color: var(--brass); min-width: 4.2rem; }

/* --- rsvp --- */
.rsvp {
  background: var(--bone); color: var(--green);
  padding: clamp(4rem, 10vw, 8rem) clamp(1.2rem, 4vw, 3.5rem);
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  position: relative;
}
.rsvp-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 8vw, 7rem); line-height: 1.05; text-transform: uppercase;
}
.rsvp-form { display: flex; flex-direction: column; gap: 1.6rem; justify-content: center; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field span { font-size: 0.625rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--green-dim); }
.field input {
  border: none; border-bottom: 1.5px solid rgba(14,43,34,0.45);
  background: transparent; font-family: 'Archivo', sans-serif;
  font-size: 1.05rem; padding: 0.55rem 0; color: var(--green); border-radius: 0;
}
.field input:focus { outline: none; border-bottom-color: var(--green); }
.field input[readonly] { opacity: 0.6; letter-spacing: 0.1em; }

.rsvp-btn {
  position: relative; border: 1.5px solid var(--green); background: transparent;
  padding: 1.05rem 1.8rem; font-family: 'Archivo', sans-serif;
  font-size: 0.6875rem; letter-spacing: 0.3em; text-transform: uppercase;
  cursor: pointer; overflow: hidden; margin-top: 0.4rem; color: var(--green);
}
.rsvp-btn-fill { position: absolute; inset: 0; background: var(--green); transform: translateY(101%); transition: transform 0.35s var(--ease-lux); z-index: 0; }
.rsvp-btn:hover .rsvp-btn-fill { transform: translateY(0); }
.rsvp-btn:hover .rsvp-btn-label { color: var(--brass); }
.rsvp-btn-label { position: relative; z-index: 1; transition: color 0.35s; }
.rsvp-note { font-size: 0.6875rem; letter-spacing: 0.22em; text-transform: uppercase; opacity: 0.65; }

.rsvp-done {
  position: absolute; inset: 0; background: var(--bone);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.1rem; opacity: 0; visibility: hidden;
  transition: opacity 0.5s var(--ease-lux), visibility 0.5s;
}
.rsvp-done.is-shown { opacity: 1; visibility: visible; }
.done-mark {
  width: 64px; height: 64px; border: 2px solid var(--green); border-radius: 50%;
  display: grid; place-items: center; font-size: 1.5rem;
  animation: stamp 0.5s var(--ease-lux) both;
}
@keyframes stamp { 0% { transform: scale(1.6); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.done-no { font-family: 'Cormorant Garamond', serif; font-size: 2.2rem; }
.done-line { font-size: 0.8125rem; letter-spacing: 0.12em; text-transform: uppercase; }

/* --- footer --- */
.foot {
  background: var(--green-deep); color: var(--bone-dim);
  display: flex; align-items: center; justify-content: center; gap: 1.1rem;
  padding: 2rem; font-size: 0.625rem; letter-spacing: 0.3em; text-transform: uppercase;
}
.foot-dot { width: 4px; height: 4px; background: var(--brass); border-radius: 50%; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .hero { display: flex; flex-direction: column; }
  .hero-type { margin-top: 3rem; }
  .details-grid { grid-template-columns: repeat(2, 1fr); }
  .rsvp { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .details-grid { grid-template-columns: 1fr; }
  .p-list li { gap: 1.2rem; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0.01ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0.01ms !important;
  }
  .intro-video, .intro.is-playing .intro-video { transform: scale(1.03); }
}