/* Light mode = default. --ink/--paper etc are semantic (surface/alt-surface),
     not literal colors — their values flip with the theme so existing rules
     throughout this file work unchanged in both modes. */
  :root, html[data-theme="light"]{
    --ink:#F3EFE6;
    --ink-2:#ece7d9;
    --ink-3:#ddd5c4;
    --coral:#E4664A;
    --coral-dim:#c94f37;
    --gold:#D4A24C;
    --paper:#0B2027;
    --paper-dim:#5b524a;
    --line: rgba(11,32,39,0.12);
    --max: 1180px;
  }
  html[data-theme="dark"]{
    --ink:#0B2027;
    --ink-2:#123C44;
    --ink-3:#184952;
    --coral:#E4664A;
    --coral-dim:#c94f37;
    --gold:#D4A24C;
    --paper:#F3EFE6;
    --paper-dim:#e6e0d1;
    --line: rgba(243,239,230,0.14);
    --max: 1180px;
  }
  /* Header, footer, and other "chrome" pin back to the original dark palette
     regardless of theme, so brand chrome stays constant while content swaps. */
  header, footer, .countdown-strip, nav ul{
    --ink:#0B2027;
    --ink-2:#123C44;
    --ink-3:#184952;
    --paper:#F3EFE6;
    --paper-dim:#e6e0d1;
    --line: rgba(243,239,230,0.14);
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background: var(--ink);
    color: var(--paper);
    font-family: 'Inter', sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{
    font-family:'Fraunces', serif;
    font-weight:600;
    letter-spacing:-0.01em;
  }
  .mono{
    font-family:'Space Mono', monospace;
    letter-spacing:0.04em;
    text-transform:uppercase;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:var(--max); margin:0 auto; padding:0 28px;}
  ::selection{background:var(--coral); color:var(--ink);}
  :focus-visible{outline:2px solid var(--gold); outline-offset:3px;}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
  }

  /* ---------- Waveform signature element ---------- */
  .waveform{
    display:flex;
    align-items:center;
    gap:3px;
    height:34px;
  }
  .waveform span{
    display:block;
    width:3px;
    border-radius:2px;
    background: var(--coral);
    animation: wf 1.4s ease-in-out infinite;
  }
  .waveform.gold span{background:var(--gold);}
  .waveform.dim span{background: var(--ink-3); opacity:.6;}
  @keyframes wf{
    0%,100%{ transform:scaleY(0.35); }
    50%{ transform:scaleY(1); }
  }
  .wf-divider{
    display:flex;
    align-items:flex-end;
    gap:4px;
    height:52px;
    justify-content:center;
    overflow:hidden;
    padding: 0 0 2px;
  }
  .wf-divider span{
    width:4px;
    border-radius:2px;
    background: linear-gradient(to top, var(--coral), var(--gold));
    animation: wf 2.6s ease-in-out infinite;
    opacity:0.85;
  }

  /* ---------- Nav ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background: rgba(11,32,39,0.88);
    backdrop-filter: blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 28px; max-width:var(--max); margin:0 auto;
  }
  .brand{display:flex; align-items:center; gap:10px; font-family:'Fraunces',serif; font-weight:600; font-size:1.15rem; color:var(--paper);}
  .brand-logo{ height:40px; width:auto; display:block; }
  .brand-text{ line-height:1.15; }
  @media (max-width:480px){ .brand-logo{ height:32px; } .brand-text{ font-size:0.98rem; } }
  .brand .mark{color:var(--coral);}
  nav ul{list-style:none; display:flex; gap:28px;}
  nav ul li a{
    font-size:0.86rem; font-weight:500;
    color: var(--paper-dim);
    transition: color .2s;
    padding: 4px 0;
    border-bottom:1px solid transparent;
  }
  nav ul li a:hover{ color: var(--paper); border-color: var(--coral);}
  nav ul li a.active{ color: var(--paper); border-color: var(--coral);}
  .nav-cta{
    background: var(--coral);
    color: var(--ink);
    padding:10px 20px;
    border-radius: 3px;
    font-weight:600;
    font-size:0.85rem;
    white-space:nowrap;
  }
  .nav-cta:hover{background: var(--gold);}
  .menu-toggle{display:none; background:none; border:0; color:var(--paper); font-size:1.6rem; cursor:pointer;}
  .theme-toggle{
    display:flex; align-items:center; justify-content:center;
    width:38px; height:38px;
    background: var(--ink-2);
    border:1px solid var(--line);
    border-radius:50%;
    color: var(--paper);
    font-size:1.05rem;
    cursor:pointer;
    transition: background .2s, transform .2s;
    margin-right:6px;
  }
  .theme-toggle:hover{ background: var(--ink-3); transform: rotate(15deg); }
  .theme-icon-dark{ display:none; }
  html[data-theme="dark"] .theme-icon-light{ display:none; }
  html[data-theme="dark"] .theme-icon-dark{ display:inline; }
  @media (max-width: 880px){ .theme-toggle{ margin-right:10px; } }

  @media (max-width: 880px){
    nav ul{
      position:absolute; top:100%; left:0; right:0;
      flex-direction:column; gap:0;
      background: var(--ink-2);
      max-height:0; overflow:hidden;
      transition: max-height .3s ease;
      border-bottom:1px solid var(--line);
    }
    nav ul.open{max-height:400px;}
    nav ul li{border-top:1px solid var(--line);}
    nav ul li a{display:block; padding:16px 28px;}
    .menu-toggle{display:block;}
    .nav-cta{display:none;}
  }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    padding: 100px 0 70px;
    overflow:hidden;
    background:
      radial-gradient(ellipse at 80% 0%, rgba(228,102,74,0.16), transparent 55%),
      radial-gradient(ellipse at 10% 100%, rgba(212,162,76,0.12), transparent 55%),
      var(--ink);
  }
  .hero-inner{max-width:var(--max); margin:0 auto; padding:0 28px; position:relative; z-index:2;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    font-size:0.75rem; color: var(--gold);
    margin-bottom:22px;
  }
  .eyebrow::before{content:""; width:26px; height:1px; background:var(--gold);}
  .hero h1{
    font-size: clamp(2.6rem, 6.2vw, 5.4rem);
    line-height:0.98;
    max-width: 900px;
  }
  .hero h1 em{
    font-style:italic; color: var(--coral);
  }
  .hero .tagline{
    margin-top:22px;
    font-size: clamp(1.05rem, 1.6vw, 1.35rem);
    color: var(--paper-dim);
    max-width:560px;
    font-family:'Fraunces', serif;
    font-style:italic;
    font-weight:400;
  }
  .hero-meta{
    margin-top:38px;
    display:flex; flex-wrap:wrap; gap:34px;
  }
  .hero-meta .item .mono{font-size:0.7rem; color:var(--gold); display:block; margin-bottom:6px;}
  .hero-meta .item .val{font-size:1.05rem; font-weight:600;}
  .hero-actions{
    margin-top:44px;
    display:flex; flex-wrap:wrap; gap:16px;
  }
  .btn{
    display:inline-block;
    padding:15px 28px;
    border-radius:3px;
    font-weight:600;
    font-size:0.92rem;
    transition: transform .2s, background .2s, color .2s;
    border:none;
    cursor:pointer;
    font-family:'Inter', sans-serif;
  }
  .btn-primary{ background: var(--coral); color: var(--ink); }
  .btn-primary:hover{ background: var(--gold); transform:translateY(-2px); }
  .btn-ghost{ border:1px solid var(--line); color: var(--paper); background:transparent; }
  .btn-ghost:hover{ border-color: var(--coral); color: var(--coral); transform:translateY(-2px); }

  .hero-wf{ margin-top:60px; }

  /* ---------- Countdown ---------- */
  .countdown-strip{
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    background: var(--ink-2);
  }
  .countdown-inner{
    max-width:var(--max); margin:0 auto; padding: 26px 28px;
    display:flex; align-items:center; justify-content:space-between;
    flex-wrap:wrap; gap:18px;
  }
  .countdown-label{font-size:0.78rem; color:var(--paper-dim);}
  .countdown-label strong{color:var(--gold); display:block; font-family:'Fraunces',serif; font-size:1rem; font-weight:600;}
  .countdown-units{display:flex; gap:26px;}
  .countdown-units .u{text-align:center; min-width:56px;}
  .countdown-units .u .n{font-family:'Fraunces',serif; font-size:1.8rem; font-weight:600; color:var(--paper);}
  .countdown-units .u .l{font-size:0.62rem; color:var(--paper-dim); letter-spacing:0.08em; text-transform:uppercase;}

  /* ---------- Sections generic ---------- */
  section{padding: 90px 0;}
  .section-head{max-width:640px; margin-bottom:56px;}
  .section-head .mono{color:var(--coral); font-size:0.72rem; margin-bottom:14px; display:block;}
  .section-head h2{font-size: clamp(1.8rem, 3.4vw, 2.6rem);}
  .section-head p{margin-top:16px; color:var(--paper-dim); font-size:1rem;}

  .light{
    --ink:#0B2027; --ink-2:#123C44; --ink-3:#184952;
    --paper:#F3EFE6; --paper-dim:#5b524a;
    --line: rgba(11,32,39,0.12);
    background: var(--paper); color: var(--ink);
  }
  .light .section-head p{color:#5b524a;}
  .light .mono{color: var(--coral-dim);}

  /* ---------- Welcome ---------- */
  .welcome-grid{
    display:grid; grid-template-columns: 1fr 1.3fr; gap:60px; align-items:start;
  }
  .welcome-grid .quote-mark{font-family:'Fraunces',serif; font-size:5rem; color:var(--coral); line-height:0.6; margin-bottom:10px;}
  .welcome-grid p{margin-bottom:16px; color: var(--paper-dim); font-size:1.02rem;}
  .signee{margin-top:26px; padding-top:20px; border-top:1px solid var(--line); display:flex; align-items:center; gap:16px;}
  .signee-photo{ width:64px; height:64px; border-radius:50%; object-fit:cover; border:2px solid var(--coral); flex-shrink:0; }
  .h-card-photo{ width:72px; height:72px; border-radius:50%; object-fit:cover; border:2px solid var(--coral); margin-bottom:16px; }
  .committee-card{ text-align:center; display:flex; flex-direction:column; align-items:center; }
  .committee-card .h-card-photo{ width:96px; height:96px; margin:0 auto 16px; }
  .committee-card .num{ margin-bottom:12px; }
  .committee-email{ margin-top:8px; }
  .committee-email a{ color:var(--gold); font-size:0.82rem; }
  .h-card-photo-placeholder{
    display:flex; align-items:center; justify-content:center;
    background: var(--ink-2);
    color: var(--paper-dim);
    border-style:dashed;
  }
  .h-card-photo-placeholder svg{ width:44%; height:44%; }
  .signee .name{font-family:'Fraunces',serif; font-weight:600; font-size:1.1rem;}
  .signee .role{font-size:0.82rem; color:var(--paper-dim); margin-top:2px;}
  @media (max-width:800px){ .welcome-grid{grid-template-columns:1fr;} }

  /* ---------- Highlights ---------- */
  .highlight-grid{
    display:grid; grid-template-columns: repeat(3, 1fr); gap:1px;
    background: var(--ink-3);
    border:1px solid var(--ink-3);
  }
  .h-card{
    background: var(--ink);
    padding:34px 28px;
    transition: background .25s;
  }
  .h-card:hover{ background: var(--ink-2); }
  .h-card .num{ font-family:'Space Mono', monospace; color:var(--gold); font-size:0.78rem; margin-bottom:18px; display:block;}
  .h-card h3{font-size:1.15rem; margin-bottom:10px; font-weight:600;}
  .h-card p{color:var(--paper-dim); font-size:0.92rem;}
  @media (max-width:900px){ .highlight-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:600px){ .highlight-grid{grid-template-columns:1fr;} }

  /* ---------- Fee table ---------- */
  .fee-table-wrap{
    overflow-x:auto;
    border:1px solid #ddd5c4;
    border-radius:4px;
    -webkit-overflow-scrolling:touch;
  }
  .fee-table{
    border-collapse:collapse;
    width:100%;
    min-width:920px;
    font-size:0.86rem;
  }
  .fee-table thead .tier-row th{
    background: var(--coral-dim);
    color: var(--paper);
    font-family:'Fraunces', serif;
    font-weight:600;
    font-size:0.85rem;
    padding:14px 10px;
    text-align:center;
    border-left:1px solid rgba(243,239,230,0.18);
  }
  .fee-table thead .tier-row th:first-child{ border-left:none; }
  .fee-table thead .col-row th{
    background: var(--ink);
    color: var(--paper-dim);
    font-weight:600;
    font-size:0.68rem;
    text-transform:uppercase;
    letter-spacing:0.05em;
    padding:9px 10px;
    text-align:center;
  }
  .fee-table .cat-head{
    background: var(--ink-2) !important;
  }
  .fee-table tbody td{
    padding:13px 10px;
    text-align:center;
    border-bottom:1px solid #e8e2d3;
    color:#4a4238;
  }
  .fee-table tbody tr:nth-child(even) td{ background: #ece7d9; }
  .fee-table tbody tr:hover td{ background: #f4efe1; }
  .fee-table td.cat{
    text-align:left;
    font-family:'Fraunces', serif;
    font-weight:600;
    color: var(--ink);
    white-space:nowrap;
  }
  .fee-table td.total{
    font-weight:700;
    color: var(--coral-dim);
  }
  .fee-table tr.active-tier td{
    box-shadow: inset 0 0 0 2px var(--coral);
  }
  .fee-table .active-col{
    background: rgba(228,102,74,0.14) !important;
  }
  .fee-table thead .active-col{
    background: var(--coral) !important;
  }
  .fee-note{
    margin-top:18px;
    font-size:0.85rem;
    color:#7a7062;
    font-style:italic;
  }
  @media (max-width:700px){
    .fee-table{ font-size:0.78rem; }
  }

  /* ---------- Travel modes ---------- */
  .travel-grid{
    display:grid; grid-template-columns: repeat(3, 1fr); gap:1px;
    background: var(--ink-3);
    border:1px solid var(--ink-3);
  }
  .travel-card{ background: var(--ink); padding:32px 28px; }
  .travel-card .mono{ color:var(--gold); font-size:0.72rem; display:block; margin-bottom:14px; }
  .travel-card h3{ font-size:1.1rem; margin-bottom:10px; }
  .travel-card p{ color:var(--paper-dim); font-size:0.9rem; margin-bottom:8px; }
  .travel-card .fact{ font-size:0.82rem; color:var(--paper); font-family:'Space Mono', monospace; }
  @media (max-width:900px){ .travel-grid{ grid-template-columns:1fr; } }

  /* ---------- Sight cards ---------- */
  .sight-grid{
    display:grid; grid-template-columns: repeat(3, 1fr); gap:24px;
    margin-top:10px;
  }
  .sight-card{
    background:#fff;
    border:1px solid #e2dac8;
    border-radius:4px;
    padding:26px 24px;
  }
  .sight-card h3{ font-size:1.05rem; margin-bottom:8px; color:var(--ink); }
  .sight-card p{ font-size:0.88rem; color:#6a6154; margin-bottom:10px; }
  .sight-card .fact-row{
    display:flex; gap:8px; flex-wrap:wrap;
    font-size:0.72rem; font-family:'Space Mono', monospace;
    color: var(--coral-dim);
  }
  .sight-card .fact-row span{
    background: rgba(228,102,74,0.1);
    padding:4px 9px;
    border-radius:12px;
  }
  @media (max-width:900px){ .sight-grid{ grid-template-columns:1fr 1fr; } }
  @media (max-width:600px){ .sight-grid{ grid-template-columns:1fr; } }

  /* ---------- Photo banner ---------- */
  .photo-banner{
    display:grid; grid-template-columns: 1.4fr 1fr; gap:2px;
    margin: 44px 0;
    border-radius:4px;
    overflow:hidden;
  }
  .photo-banner figure{ margin:0; position:relative; }
  .photo-banner img{ width:100%; height:100%; object-fit:cover; display:block; min-height:220px; }
  .photo-banner figcaption{
    position:absolute; left:0; right:0; bottom:0;
    background: linear-gradient(to top, rgba(11,32,39,0.85), transparent);
    color: var(--paper-dim);
    font-size:0.72rem;
    padding:20px 16px 10px;
  }
  @media (max-width:700px){ .photo-banner{ grid-template-columns:1fr; } .photo-banner img{ min-height:180px; } }

  .fee-table thead tr.simple-head th{
    background: var(--coral-dim);
    color: var(--paper);
    font-family:'Fraunces', serif;
    font-weight:600;
    font-size:0.8rem;
    padding:13px 12px;
    text-align:left;
  }
  .fee-table td.hotel-url a{ color: var(--coral-dim); font-weight:600; text-decoration:underline; }
  .fee-table td.hotel-url{ text-align:left; color:#9a8f7d; font-style:italic; font-size:0.82rem; }

  /* ---------- Scroll reveal ---------- */
  [data-animate]{
    opacity:0;
    transform: translateY(28px);
    transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
  }
  [data-animate].in-view{
    opacity:1;
    transform:none;
  }
  [data-animate="fade"]{ transform: translateY(10px); }
  /* Staggered reveal within a group — set via inline transition-delay by JS using data-stagger */

  /* ---------- Hover polish ---------- */
  .h-card, .sight-card, .travel-card{
    transition: transform .3s ease, box-shadow .3s ease, background .25s ease;
  }
  .h-card:hover{
    transform: translateY(-4px);
  }
  .sight-card:hover{
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(11,32,39,0.1);
    border-color: var(--coral);
  }
  .travel-card:hover{
    transform: translateY(-4px);
    background: var(--ink-2);
  }
  .t-row{ transition: background .25s ease, padding-left .25s ease; }
  .t-row:hover{ background: rgba(228,102,74,0.06); padding-left:10px; }
  .signee{ transition: transform .3s ease; }
  .fee-table tbody tr{ transition: background .2s ease; }

  @media (prefers-reduced-motion: reduce){
    [data-animate]{ opacity:1 !important; transform:none !important; }
  }

  /* ---------- Timeline ---------- */
  .timeline{ position:relative; padding-left:2px; }
  .t-row{
    display:grid; grid-template-columns: 160px 1fr;
    gap:24px;
    padding:26px 0;
    border-top:1px solid #ddd5c4;
    align-items:baseline;
  }
  .t-row:last-child{border-bottom:1px solid #ddd5c4;}
  .t-row .t-date{font-family:'Space Mono', monospace; font-size:0.86rem; color: var(--coral-dim); font-weight:700;}
  .t-row .t-title{font-family:'Fraunces',serif; font-size:1.15rem; font-weight:600;}
  .t-row .t-desc{color:#6a6154; font-size:0.9rem; margin-top:4px;}
  @media (max-width:640px){ .t-row{grid-template-columns:1fr;} }

  /* ---------- Venue ---------- */
  .venue{
    display:grid; grid-template-columns: 1fr 1fr; gap:60px; align-items:center;
  }
  .venue-visual{
    aspect-ratio:4/3;
    border-radius:4px;
    background:
      radial-gradient(circle at 30% 30%, rgba(228,102,74,0.35), transparent 60%),
      radial-gradient(circle at 70% 70%, rgba(212,162,76,0.3), transparent 60%),
      var(--ink-2);
    border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center;
    position:relative;
    overflow:hidden;
  }
  .venue-visual .mono{ color: var(--paper-dim); font-size:0.75rem; text-align:center; padding:0 20px;}
  .venue h2{margin-bottom:18px;}
  .venue p{color:var(--paper-dim); margin-bottom:16px;}
  .venue-facts{display:flex; gap:34px; margin-top:26px; flex-wrap:wrap;}
  .venue-facts .item .mono{font-size:0.68rem; color:var(--gold); margin-bottom:6px; display:block;}
  @media (max-width:800px){ .venue{grid-template-columns:1fr;} }

  /* ---------- CTA band ---------- */
  .cta-band{
    background: linear-gradient(120deg, var(--coral) 0%, var(--coral-dim) 100%);
    color: var(--ink);
    padding:70px 0;
    text-align:center;
  }
  .cta-band h2{ font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom:16px;}
  .cta-band p{ max-width:520px; margin:0 auto 32px; color: rgba(11,32,39,0.78); }
  .cta-band .btn-primary{ background: var(--ink); color: var(--paper); }
  .cta-band .btn-primary:hover{ background:#000; }

  /* ---------- Footer ---------- */
  footer{ background: var(--ink-2); padding: 70px 0 30px; border-top:1px solid var(--line); }
  .foot-grid{
    display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px;
    padding-bottom:50px; border-bottom:1px solid var(--line);
  }
  .foot-grid h4{ font-size:0.78rem; color:var(--gold); margin-bottom:18px; text-transform:uppercase; letter-spacing:0.06em; font-weight:600;}
  .foot-grid ul{list-style:none;}
  .foot-grid ul li{margin-bottom:10px;}
  .foot-address{ color:var(--paper-dim); font-size:0.9rem; line-height:1.7; margin-bottom:16px; }
  .foot-address strong{ color:var(--paper); }
  .foot-grid ul li.foot-line{ color:var(--paper-dim); font-size:0.9rem; line-height:1.6; margin-bottom:14px; }
  .foot-grid ul li.foot-line strong{ color:var(--paper); font-weight:600; }
  .foot-grid ul li a{color:var(--paper-dim); font-size:0.9rem; transition:color .2s;}
  .foot-grid ul li a:hover{color:var(--coral);}
  .foot-brand p{color:var(--paper-dim); font-size:0.9rem; max-width:280px; margin-top:14px;}
  .foot-bottom{
    display:flex; justify-content:space-between; align-items:center;
    padding-top:26px; flex-wrap:wrap; gap:14px;
    font-size:0.8rem; color:var(--paper-dim);
  }
  @media (max-width:800px){ .foot-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:480px){ .foot-grid{grid-template-columns:1fr;} }

  /* ---------- Registration calculator (registration.html) ---------- */
  /* Form + fee summary as a two-pane layout on wide screens (summary pins
     alongside the form as you scroll); stacks to one column on mobile. */
  .calc-shell{
    display:grid;
    grid-template-columns: 1fr;
    align-items:start;
    gap:0;
    background: transparent;
    border-radius:0;
  }
  @media (min-width: 961px){
    .calc-shell{
      grid-template-columns: 1fr 380px;
      gap:28px;
    }
  }
  .calc-form{
    background: var(--ink);
    border:1px solid var(--ink-3);
    border-radius:14px;
    padding:8px 36px 36px;
  }
  .calc-result{
    background: var(--ink-2);
    border:1px solid var(--ink-3);
    border-radius:14px;
    padding:32px 30px;
    display:flex; flex-direction:column;
  }
  @media (min-width: 961px){
    .calc-result{ position:sticky; top:96px; }
  }

  /* Numbered step sections, echoing the .h-card "num" treatment used elsewhere on the site */
  .form-step{
    padding:32px 0 8px;
    border-bottom:1px solid var(--line);
  }
  .form-step:last-of-type{ border-bottom:none; padding-bottom:0; }
  .form-step-head{
    display:flex; align-items:center; gap:14px;
    margin-bottom:26px;
  }
  .form-step-num{
    display:flex; align-items:center; justify-content:center;
    width:30px; height:30px; flex-shrink:0;
    border-radius:50%;
    background: rgba(228,102,74,0.14);
    color: var(--coral);
    font-family:'Space Mono', monospace;
    font-size:0.8rem;
    font-weight:700;
  }
  .form-step-title{
    font-size:0.78rem;
    color:var(--paper-dim);
    text-transform:uppercase;
    letter-spacing:0.08em;
    font-weight:600;
  }

  .field-row{
    display:grid;
    grid-template-columns: 1fr;
    gap:0 20px;
  }
  @media (min-width:640px){
    .field-row{ grid-template-columns: 1fr 1fr; }
  }

  .calc-field{ margin-bottom:22px; }
  .calc-field label{
    display:block;
    font-size:0.72rem;
    color: var(--gold);
    text-transform:uppercase;
    letter-spacing:0.06em;
    margin-bottom:9px;
    font-weight:600;
  }
  .calc-field select,
  .calc-field input[type="number"],
  .calc-field input[type="text"],
  .calc-field input[type="email"],
  .calc-field input[type="tel"]{
    width:100%;
    background: var(--ink-2);
    border:1px solid var(--line);
    color: var(--paper);
    padding:13px 16px;
    border-radius:9px;
    font-size:0.98rem;
    font-family:'Inter', sans-serif;
    appearance:none;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
  }
  .calc-field select{
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23D4A24C' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat:no-repeat;
    background-position: right 16px center;
    padding-right:38px;
    cursor:pointer;
  }
  .calc-field select:hover,
  .calc-field input[type="number"]:hover,
  .calc-field input[type="text"]:hover,
  .calc-field input[type="email"]:hover,
  .calc-field input[type="tel"]:hover{
    border-color: var(--ink-3);
    background: var(--ink-3);
  }
  .calc-field select:focus,
  .calc-field input[type="number"]:focus,
  .calc-field input[type="text"]:focus,
  .calc-field input[type="email"]:focus,
  .calc-field input[type="tel"]:focus{
    outline:none;
    border-color: var(--coral);
    box-shadow: 0 0 0 3px rgba(228,102,74,0.18);
  }
  .calc-field select option{
    background: var(--ink-2);
    color: var(--paper);
  }
  .calc-field .hint{ font-size:0.78rem; color:var(--paper-dim); margin-top:8px; }

  /* File upload — dropzone card instead of the bare native control */
  .file-drop{
    position:relative;
    display:flex; align-items:center; gap:14px;
    border:1.5px dashed var(--ink-3);
    border-radius:9px;
    padding:16px 18px;
    background: var(--ink-2);
    transition: border-color .18s ease, background .18s ease;
  }
  .file-drop:hover{ border-color: var(--coral); }
  .file-drop-icon{
    display:flex; align-items:center; justify-content:center;
    width:38px; height:38px; flex-shrink:0;
    border-radius:50%;
    background: rgba(212,162,76,0.14);
    color: var(--gold);
    font-size:1.1rem;
  }
  .file-drop-text{ font-size:0.86rem; color:var(--paper-dim); line-height:1.4; }
  .file-drop-text strong{ color:var(--paper); font-weight:600; }
  .file-drop input[type="file"]{
    position:absolute; inset:0;
    opacity:0; cursor:pointer; width:100%; height:100%;
  }
  .file-drop.has-file{ border-style:solid; border-color: var(--gold); }

  .qty-row{ display:flex; align-items:center; gap:14px; }
  .qty-btn{
    width:38px; height:38px;
    background: var(--ink-2);
    border:1px solid var(--line);
    color: var(--paper);
    font-size:1.1rem;
    border-radius:50%;
    cursor:pointer;
    line-height:1;
    transition: border-color .18s ease, color .18s ease, transform .18s ease;
  }
  .qty-btn:hover{ border-color: var(--coral); color: var(--coral); transform:translateY(-1px); }
  .qty-row input[type="number"]{ width:74px; text-align:center; border-radius:9px; }

  .tier-badge{
    display:inline-flex; align-items:center; gap:9px;
    background: rgba(212,162,76,0.12);
    border:1px solid rgba(212,162,76,0.35);
    color: var(--gold);
    font-size:0.76rem;
    padding:9px 16px;
    border-radius:20px;
    margin-bottom:28px;
  }
  .tier-badge .dot{ width:7px; height:7px; border-radius:50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(212,162,76,0.5); animation: tierPulse 2s infinite; }
  @keyframes tierPulse{
    0%{ box-shadow: 0 0 0 0 rgba(212,162,76,0.45); }
    70%{ box-shadow: 0 0 0 6px rgba(212,162,76,0); }
    100%{ box-shadow: 0 0 0 0 rgba(212,162,76,0); }
  }

  .result-title{ font-size:0.75rem; color:var(--paper-dim); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:22px; }
  .result-line{
    display:flex; justify-content:space-between; align-items:baseline;
    padding:12px 0;
    border-bottom:1px solid var(--line);
    font-size:0.94rem;
  }
  .result-line .rl-label{ color: var(--paper-dim); }
  .result-line .rl-val{ font-family:'Space Mono', monospace; }
  .result-total{
    margin-top:20px;
    padding-top:20px;
    border-top:1px solid var(--line);
  }
  .result-total .rt-label{ font-size:0.78rem; color: var(--gold); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:8px;}
  .result-total .rt-val{ font-family:'Fraunces', serif; font-size:2.6rem; font-weight:600; color: var(--paper); }
  .result-total .rt-sub{ font-size:0.82rem; color:var(--paper-dim); margin-top:6px; }
  .calc-cta{ margin-top:30px; }
  .calc-cta .btn-primary{ border-radius:9px; padding:16px 28px; box-shadow: 0 10px 24px -8px rgba(228,102,74,0.55); }
  .calc-cta .btn-primary:hover{ box-shadow: 0 12px 28px -6px rgba(212,162,76,0.55); }
  @media (max-width:860px){
    .calc-form{ padding:6px 24px 28px; }
    .calc-result{ padding:26px 22px; }
  }

  /* ---------- Splash screen (homepage, once per session) ---------- */
  /* Pinned to the site's dark chrome palette regardless of light/dark theme,
     same reasoning as header/footer — this is a brand moment, not content. */
  #splashScreen{
    position:fixed; inset:0;
    width:100%; height:100vh;
    background: linear-gradient(135deg, #0B2027 0%, #123C44 25%, #184952 50%, #123C44 75%, #0B2027 100%);
    background-size:400% 400%;
    display:flex; align-items:center; justify-content:center;
    z-index:9999;
    animation: splashGradientShift 12s ease infinite;
    overflow:hidden;
  }
  #splashScreen.fade-out{
    animation: splashFadeOut 0.8s ease-out forwards;
  }
  .splash-content{
    text-align:center;
    position:relative;
    z-index:10;
    padding:0 24px;
  }
  .splash-logo{
    height:64px; width:auto;
    margin:0 auto 28px;
    display:block;
    filter: drop-shadow(0 8px 24px rgba(0,0,0,0.4));
  }
  .splash-title{
    position:relative;
    font-family:'Fraunces', serif;
    font-weight:600;
    color:#F3EFE6;
    font-size:clamp(1.7rem, 5vw, 3.4rem);
    letter-spacing:0.5px;
    line-height:1.15;
    margin:0;
    text-shadow: 0 10px 40px rgba(0,0,0,0.5), 0 0 60px rgba(228,102,74,0.25);
  }
  .splash-title::before{
    content:'';
    position:absolute; top:50%; left:50%;
    transform:translate(-50%,-50%);
    width:130%; height:180%;
    background: radial-gradient(ellipse at center, rgba(228,102,74,0.15) 0%, transparent 70%);
    z-index:-1;
    animation: splashGlowPulse 3s ease-in-out infinite;
  }
  .splash-title .letter{
    display:inline-block;
    opacity:0;
    transform:translateY(20px);
    animation: splashLetterUp .5s ease-out forwards, splashLetterBounce .7s ease-in-out forwards;
  }
  .splash-title .word-gap{ display:inline-block; width:0.28em; }
  .splash-subtitle{
    margin-top:18px;
    font-family:'Space Mono', monospace;
    font-size:0.8rem;
    letter-spacing:0.06em;
    text-transform:uppercase;
    color: rgba(243,239,230,0.75);
    text-shadow:0 2px 10px rgba(0,0,0,0.2);
    animation: splashSubtitleIn .8s ease-out .4s both;
  }
  .splash-loader{
    width:40px; height:40px;
    margin:32px auto 0;
    border:3px solid rgba(243,239,230,0.2);
    border-top:3px solid var(--coral);
    border-right:3px solid var(--gold);
    border-radius:50%;
    animation: splashSpin 0.9s linear infinite;
  }

  @keyframes splashGradientShift{
    0%, 100%{ background-position:0% 50%; }
    50%{ background-position:100% 50%; }
  }
  @keyframes splashFadeOut{
    0%{ opacity:1; visibility:visible; }
    99%{ opacity:0; visibility:visible; }
    100%{ opacity:0; visibility:hidden; pointer-events:none; }
  }
  @keyframes splashLetterUp{
    to{ opacity:1; transform:translateY(0); }
  }
  @keyframes splashLetterBounce{
    0%{ transform:translateY(0); }
    50%{ transform:translateY(-10px); }
    100%{ transform:translateY(0); }
  }
  @keyframes splashGlowPulse{
    0%, 100%{ opacity:0.5; }
    50%{ opacity:1; }
  }
  @keyframes splashSubtitleIn{
    from{ opacity:0; transform:translateY(16px); }
    to{ opacity:1; transform:translateY(0); }
  }
  @keyframes splashSpin{
    to{ transform:rotate(360deg); }
  }
  @media (prefers-reduced-motion: reduce){
    #splashScreen{ animation:none; }
    .splash-title .letter{ animation:none; opacity:1; transform:none; }
    .splash-title::before{ animation:none; }
  }
  @media (max-width:768px){
    .splash-logo{ height:48px; margin-bottom:20px; }
  }