/* ───────────────────────────────────────────────────────────
   The Melbourne Dinner · Modern Consulting
   Dark, black, minimal. One warm ember accent.
   ─────────────────────────────────────────────────────────── */

:root {
  --black:    #080808;
  --ink:      #0d0d0d;
  --panel:    #121212;
  --line:     rgba(255,255,255,0.10);
  --line-2:   rgba(255,255,255,0.06);
  --white:    #f4f1ec;
  --muted:    #9b948c;
  --muted-2:  #6e6862;
  --ember:    #c9a26a;   /* muted warm gold from the steakhouse tones */
  --ember-dim:#8a6f48;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans:  "Inter", system-ui, -apple-system, sans-serif;
}

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

/* No global scroll-behavior:smooth — in Chrome it routes wheel/trackpad scrolls
   through a smooth animation that feels laggy/floaty. Native scroll is crisp.
   Anchor links get smooth scroll via JS instead (app.js). */
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 28px; }

/* shared type bits */
.eyebrow, .kicker {
  font-size: 12px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ember);
  font-weight: 500;
}
.kicker { color: var(--muted-2); margin-bottom: 22px; }
.kicker.centred { text-align: center; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.02; }

/* ── buttons ── */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 16px 34px;
  border-radius: 2px;
  cursor: pointer;
  transition: all .35s cubic-bezier(.2,.7,.3,1);
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--ember);
  color: #15110b;
  border-color: var(--ember);
}
.btn--primary:hover { background: transparent; color: var(--ember); }
.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--white);
}
.btn--ghost:hover { border-color: var(--ember); color: var(--ember); }

/* ───────────────── HERO ───────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 90px 24px 120px;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* Filter baked into the image (steak-hero-dark); a static slight scale gives
     depth with NO animation — nothing repaints during scroll, so it can't jank. */
  transform: scale(1.04);
}
.hero__veil {
  position: absolute; inset: 0; z-index: 1;
  /* Single linear gradient (cheaper to rasterize than a stacked radial+linear
     over a full 100vh layer). Darkens top + bottom so the title/CTA stay legible. */
  background: linear-gradient(180deg, rgba(8,8,8,0.6) 0%, rgba(8,8,8,0.2) 42%, rgba(8,8,8,0.55) 78%, var(--black) 100%);
}

.topbar {
  position: absolute; top: 0; left: 0; right: 0;
  z-index: 3;
  display: flex; justify-content: space-between; align-items: center;
  padding: 26px clamp(24px, 5vw, 54px);
}
.topbar__mark {
  font-family: var(--sans);
  font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase;
  font-weight: 600; color: var(--white);
}
.topbar__cta {
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  font-weight: 500; color: var(--white);
  padding-bottom: 3px; border-bottom: 1px solid var(--ember);
  transition: color .3s;
}
.topbar__cta:hover { color: var(--ember); }

.hero__inner { position: relative; z-index: 2; max-width: 720px; }
.hero .eyebrow { display: block; margin-bottom: 26px; }
.hero__title {
  font-size: clamp(58px, 13vw, 132px);
  letter-spacing: -0.01em;
  margin-bottom: 28px;
  text-shadow: 0 2px 40px rgba(0,0,0,0.5);
}
.hero__sub {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--white);
  opacity: 0.86;
  max-width: 480px;
  margin: 0 auto 22px;
  font-weight: 300;
}
.hero__date {
  font-size: clamp(12px, 1.5vw, 14px);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember);
  margin: 0 auto 28px;
  font-weight: 500;
}
.hero__by {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 42px;
}
.hero__by .line { width: 40px; height: 1px; background: var(--line); }
.hero__btn { box-shadow: 0 14px 50px rgba(0,0,0,0.4); }

.scrolldown {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  z-index: 3; font-size: 20px; color: var(--muted);
  opacity: 0.7; transition: opacity .3s;
}
.scrolldown:hover { opacity: 1; }

/* Skip rendering/paint work for sections while they're off-screen (Chrome).
   contain-intrinsic-size reserves height so the scrollbar doesn't jump.
   This is the main lever for "whole page feels heavy" on long pages. */
.invite, .host, .details, .rsvp, .foot {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

/* ───────────────── INVITE ───────────────── */
.invite { padding: clamp(90px, 14vw, 160px) 0; text-align: center; border-bottom: 1px solid var(--line-2); }
.invite__quote {
  font-family: var(--serif);
  font-size: clamp(24px, 4.4vw, 40px);
  font-weight: 300;
  line-height: 1.34;
  color: var(--white);
  font-style: italic;
}
.invite__quote em { color: var(--ember); font-style: italic; }
.invite__attrib { margin-top: 30px; font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); }

/* ───────────────── HOST ───────────────── */
.host { padding: clamp(90px, 14vw, 150px) 0; border-bottom: 1px solid var(--line-2); }
.host__grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(36px, 6vw, 70px);
  align-items: center;
}
.host__photo { position: relative; }
.host__photo img {
  width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 50%;
}
.host__photo::after {
  content: ""; position: absolute; inset: -1px; border-radius: 50%;
  box-shadow: inset 0 0 0 1px var(--line), 0 30px 70px rgba(0,0,0,0.55);
  pointer-events: none;
}
.host__copy h2 { font-size: clamp(34px, 6vw, 52px); margin-bottom: 22px; }
.host__copy p { color: var(--muted); margin-bottom: 18px; font-size: 16px; }
.host__copy strong { color: var(--white); font-weight: 500; }
.host__note { color: var(--muted-2) !important; font-style: italic; font-family: var(--serif); font-size: 19px !important; }

/* ───────────────── DETAILS ───────────────── */
.details { padding: clamp(90px, 14vw, 150px) 0 0; }
.details__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
}
.detail {
  background: var(--ink);
  padding: 40px 28px;
  text-align: center;
}
.detail__label {
  display: block; font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--ember); margin-bottom: 16px; font-weight: 500;
}
.detail__value { display: block; font-family: var(--serif); font-size: 22px; line-height: 1.3; color: var(--white); }
.detail__pm { font-size: 13px; letter-spacing: 0.1em; margin-left: 3px; color: var(--ember); font-family: var(--sans); vertical-align: 0.18em; }
.details__room {
  text-align: center; color: var(--muted); font-size: 15px;
  max-width: 480px; margin: 26px auto 0;
}

.gallery {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  margin-top: clamp(60px, 9vw, 90px);
}
.gallery img {
  width: 100%; height: clamp(180px, 26vw, 320px); object-fit: cover;
  /* darkening baked into the image; hover just lifts brightness (transient, cheap) */
  transition: filter .5s, transform .5s;
}
.gallery picture:hover img { filter: brightness(1.25); transform: scale(1.03); }

/* ───────────────── RSVP ───────────────── */
.rsvp {
  padding: clamp(100px, 15vw, 170px) 0;
  background:
    radial-gradient(90% 70% at 50% 0%, rgba(201,162,106,0.06), transparent 60%),
    var(--black);
}
.rsvp__wrap { max-width: 540px; margin: 0 auto; padding: 0 28px; text-align: center; }
.rsvp__title { font-size: clamp(40px, 8vw, 68px); margin-bottom: 18px; }
.rsvp__lead { color: var(--muted); margin-bottom: 50px; font-size: 16px; }

.form { text-align: left; }
.field { margin-bottom: 26px; }
.field label, .field legend {
  display: block; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 12px; font-weight: 500;
}
.field input[type="text"] {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--white);
  font-family: var(--sans); font-size: 16px; font-weight: 300;
  padding: 16px 18px; border-radius: 2px;
  transition: border-color .3s, background .3s;
}
.field input::placeholder { color: var(--muted-2); }
.field input:focus { outline: none; border-color: var(--ember); background: #161616; }

.field__ig { position: relative; display: flex; align-items: center; }
.field__at {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-size: 16px; line-height: 1; pointer-events: none; z-index: 1;
}
/* Must out-specify `.field input[type="text"] { padding: 16px 18px }` (0,2,1),
   otherwise the placeholder starts at 18px and sits UNDER the @ glyph. */
.field__ig input[type="text"] { padding-left: 38px; }
.field__ig input::placeholder { color: var(--muted-2); }

.field--going { border: none; }
.going { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.going__opt { position: relative; cursor: pointer; }
.going__opt input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.going__box {
  display: block; padding: 20px 18px; border: 1px solid var(--line); border-radius: 2px;
  background: var(--panel); transition: all .3s; text-align: left;
}
.going__box strong { display: block; font-weight: 500; font-size: 15px; margin-bottom: 4px; color: var(--white); }
.going__box small { color: var(--muted-2); font-size: 13px; }
.going__opt input:focus-visible + .going__box { border-color: var(--ember); }
.going__opt input:checked + .going__box {
  border-color: var(--ember);
  background: rgba(201,162,106,0.10);
  box-shadow: inset 0 0 0 1px var(--ember);
}

.form__submit { width: 100%; margin-top: 10px; }
.form__submit[disabled] { opacity: 0.55; cursor: progress; }
.form__error {
  margin-top: 16px; color: #e6a3a3; font-size: 14px; text-align: center;
}

/* success */
.confirmed { text-align: center; padding: 20px 0; animation: fadeUp .6s ease both; }
.confirmed__tick {
  width: 72px; height: 72px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 26px;
  border: 1px solid var(--ember); color: var(--ember); font-size: 30px;
  background: rgba(201,162,106,0.08);
}
.confirmed h3 { font-size: clamp(30px, 6vw, 44px); margin-bottom: 16px; }
.confirmed p { color: var(--muted); margin-bottom: 24px; }
.confirmed__book { display: inline-block; margin-bottom: 18px; }
.confirmed__booknote { font-size: 13px; color: var(--muted-2); max-width: 380px; margin: 0 auto 28px; }
.confirmed__back { display: inline-block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ───────────────── FOOTER ───────────────── */
.foot {
  text-align: center; padding: 50px 24px 56px;
  border-top: 1px solid var(--line-2);
}
.foot__brand { font-size: 12px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 12px; }
.foot__by { font-size: 13px; color: var(--muted-2); }
.foot__by a { color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 1px; transition: color .3s; }
.foot__by a:hover { color: var(--ember); }

/* ───────────────── reveal-on-scroll ───────────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1s ease, transform 1s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__bg img, .scrolldown { animation: none; }
}

/* ───────────────── responsive ───────────────── */
@media (max-width: 720px) {
  .host__grid { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .host__photo { width: 200px; }
  .host .kicker { text-align: center; }
  .details__grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .gallery img { height: 220px; }
  .going { grid-template-columns: 1fr; }
}