/* ===== Rendoll brand tokens (pulled from the logo) ===== */
:root {
  --cyan: #41c3d8;        /* top face of the hex */
  --teal: #2f8ca8;        /* right face */
  --steel: #215572;       /* left face */
  --spark: #f2fdff;       /* lightning bolt */
  --navy: #0d2340;        /* glow behind logo */
  --ink: #050b14;         /* page background */
  --panel: #0b1726;
  --panel-2: #0f1e31;
  --line: rgba(65, 195, 216, 0.16);
  --text: #e8f4f8;
  --muted: #8ea6b8;
  /* Colors that change in light mode (see [data-theme="light"] below) */
  --on-cyan: #04121c;     /* text on cyan buttons */
  --field: #071220;       /* inputs */
  --field-line: rgba(142,166,184,.25);
  --ghost-line: rgba(232,244,248,.22);
  --sunken: rgba(7,18,32,.6);
  --nav-bg: rgba(5,11,20,.78);
  --menu-bg: rgba(5,11,20,.97);
  --hero-bg: radial-gradient(ellipse 70% 60% at 50% 0%, #15335a 0%, var(--navy) 30%, var(--ink) 75%);
  --alt-mid: #07111e;
  --warn: #ffcf6e;
  --bad: #ff8f8f;
  --swatch-ring: rgba(255,255,255,.2);
  --radius: 14px;
  --max: 1180px;
  --font: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* Light mode, picked with the sun button in the nav. The 3D viewer, the drawings
   and the drop overlay stay dark in both modes. */
:root[data-theme="light"] {
  --cyan: #137a91;        /* darker so text and buttons stay readable on white */
  --ink: #f4f8fb;
  --panel: #ffffff;
  --panel-2: #ffffff;
  --line: rgba(19,122,145,.2);
  --text: #0d1b2a;
  --muted: #4c6274;
  --spark: #0d2340;
  --on-cyan: #ffffff;
  --field: #ffffff;
  --field-line: rgba(13,35,64,.2);
  --ghost-line: rgba(13,35,64,.25);
  --sunken: #f1f6f9;
  --nav-bg: rgba(255,255,255,.85);
  --menu-bg: rgba(255,255,255,.98);
  --hero-bg: radial-gradient(ellipse 70% 60% at 50% 0%, #d4eef5 0%, #e8f5f9 35%, var(--ink) 75%);
  --alt-mid: #e7f0f5;
  --warn: #8a5a00;
  --bad: #c0392b;
  --swatch-ring: rgba(0,0,0,.28);
  color-scheme: light;
}
:root[data-theme="light"] .card { box-shadow: 0 1px 3px rgba(13,35,64,.07); }
:root[data-theme="light"] .hero h1 .charge,
:root[data-theme="light"] .price { text-shadow: none; }
:root[data-theme="light"] .hero-mark img { filter: drop-shadow(0 16px 30px rgba(13,35,64,.25)); }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--cyan); text-decoration: none; }
.wrap { width: min(var(--max), 100% - 32px); margin-inline: auto; }

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); }
.brand img { width: 34px; height: auto; }
.wordmark { font-weight: 700; letter-spacing: 0.32em; font-size: 1.05rem; }
.wordmark small { font-weight: 500; letter-spacing: 0.2em; font-size: 0.55em; margin-left: 4px; color: var(--muted); }
.nav .wrap { justify-content: flex-start; }
.nav-links { display: flex; gap: 24px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a { color: var(--muted); font-size: 0.9rem; font-weight: 500; transition: color .2s; white-space: nowrap; }
.nav .btn { white-space: nowrap; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"] { box-shadow: 0 2px 0 var(--cyan); }
/* Light / dark switch: shows a sun in dark mode, a moon in light mode */
.theme-btn {
  flex-shrink: 0; width: 38px; height: 38px; margin-left: 4px; display: grid; place-items: center;
  border-radius: 10px; border: 1px solid var(--line); background: none; color: var(--text); cursor: pointer;
}
.theme-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.theme-btn svg { width: 18px; height: 18px; }
.theme-btn .i-moon, :root[data-theme="light"] .theme-btn .i-sun { display: none; }
:root[data-theme="light"] .theme-btn .i-moon { display: block; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 8px 10px; cursor: pointer; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 10px; border: 1px solid transparent;
  font: 600 0.95rem var(--font); cursor: pointer; transition: transform .15s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--cyan); color: var(--on-cyan); box-shadow: 0 0 0 rgba(65,195,216,0); }
.btn-primary:hover { box-shadow: 0 0 28px rgba(65,195,216,.45); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--ghost-line); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-sm { padding: 9px 16px; font-size: 0.85rem; }

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  background: var(--hero-bg);
  padding: 96px 0 110px;
}
.hero::before { /* faint print-bed grid */
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 100%, #000 10%, transparent 70%);
  opacity: .5;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 48px; }
.eyebrow { color: var(--cyan); font-weight: 600; letter-spacing: 0.25em; text-transform: uppercase; font-size: 0.78rem; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); line-height: 1.08; margin: 14px 0 20px; font-weight: 800; letter-spacing: -0.02em; }
.hero h1 .charge { color: var(--cyan); text-shadow: 0 0 30px rgba(65,195,216,.45); }
.hero p.lead { color: var(--muted); font-size: 1.12rem; max-width: 34em; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 36px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 0.9rem; }
.hero-points li { display: flex; align-items: center; }
.hero-points li::before {
  content: ""; width: 12px; height: 16px; margin-right: 8px; background: var(--cyan);
  clip-path: polygon(60% 0, 0 58%, 45% 58%, 35% 100%, 100% 40%, 55% 40%);
}
.hero-mark { position: relative; display: grid; place-items: center; }
.hero-mark::before {
  content: ""; position: absolute; width: 80%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(65,195,216,.28), transparent 65%); filter: blur(10px);
}
.hero-mark img { position: relative; width: min(340px, 75%); animation: float 6s ease-in-out infinite; filter: drop-shadow(0 20px 40px rgba(0,0,0,.6)); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* ===== Sections ===== */
section { padding: 96px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 10px 0 12px; line-height: 1.15; letter-spacing: -0.01em; }
.section-head p { color: var(--muted); margin: 0; }
.alt { background: linear-gradient(180deg, var(--ink), var(--alt-mid) 50%, var(--ink)); }

.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(65,195,216,.45); transform: translateY(-3px); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
  background: rgba(65,195,216,.1); border: 1px solid rgba(65,195,216,.3); color: var(--cyan);
}
.icon svg { width: 22px; height: 22px; }
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.93rem; }

/* ===== Quote tool ===== */
/* The 4 steps of a quote, shown above the tool */
.quote-steps {
  list-style: none; counter-reset: qs; margin: -28px auto 28px; padding: 0; max-width: 980px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
}
.quote-steps li {
  counter-increment: qs; display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--panel); font-size: 0.88rem; color: var(--muted); line-height: 1.35;
}
.quote-steps li::before {
  content: counter(qs); flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--cyan); color: var(--on-cyan); font-weight: 800; font-size: 0.85rem;
}
.quote-steps strong { color: var(--text); }
@media (max-width: 760px) { .quote-steps { grid-template-columns: 1fr 1fr; margin-top: -32px; gap: 8px; } }
@media (max-width: 480px) { .quote-steps { grid-template-columns: 1fr; } .quote-steps li { padding: 9px 12px; } }
.quote {
  display: grid; grid-template-columns: 1.25fr 1fr; grid-template-rows: auto 1fr; gap: 24px; align-items: start;
  grid-template-areas: "viewer options" "cart options";
}
.quote > .viewer-card { grid-area: viewer; }
.quote > #quote-form { grid-area: options; }
.quote > .quote-cart { grid-area: cart; }
.quote-cart { display: grid; gap: 4px; }
.quote-cart:hover { transform: none; }
.cart-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.cart-head h3 { margin: 0; font-size: 1.15rem; }
.cart-head span { color: var(--muted); font-size: 0.85rem; }
.cart-list { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 8px; }
.cart-list li {
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 12px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--sunken);
}
.cart-dot { width: 16px; height: 16px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--swatch-ring); }
.cart-main { display: grid; min-width: 0; }
.cart-main strong { font-size: 0.92rem; overflow-wrap: anywhere; }
.cart-main span { color: var(--muted); font-size: 0.8rem; }
.cart-price { font-weight: 700; font-variant-numeric: tabular-nums; }
.cart-remove {
  width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--ghost-line); background: none;
  color: var(--muted); font-size: 1.2rem; line-height: 1; cursor: pointer;
}
.cart-remove:hover { color: var(--bad); border-color: var(--bad); }
.quote-cart .k { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.cart-total { font-size: 2rem; margin-bottom: 8px; }
.quote-cart .btn { width: 100%; margin-top: 8px; }
.add-status { margin: 10px 0 0; font-size: 0.88rem; color: var(--cyan); min-height: 0; }
.add-status:empty { display: none; }
.viewer-card { padding: 0; overflow: hidden; }
.viewer-card:hover { transform: none; }
.viewer {
  /* the viewer is always dark, even in light mode */
  --text: #e8f4f8; --muted: #8ea6b8; --cyan: #41c3d8; color: var(--text);
  position: relative; height: 440px;
  background: radial-gradient(ellipse at 50% 30%, #12294a, #060d18 75%);
}
.viewer canvas { width: 100% !important; height: 100% !important; }
.dropzone {
  position: absolute; inset: 18px; border: 2px dashed rgba(65,195,216,.4); border-radius: 12px;
  display: grid; place-items: center; text-align: center; padding: 20px; cursor: pointer;
  transition: background .2s, border-color .2s; z-index: 2;
}
.dropzone:hover, .dropzone.drag { background: rgba(65,195,216,.07); border-color: var(--cyan); }
.dropzone.hidden { display: none; }
.dropzone strong { display: block; font-size: 1.1rem; margin: 12px 0 4px; }
.dropzone span { color: var(--muted); font-size: 0.88rem; }
.dropzone .icon { margin: 0 auto; }
.viewer-bar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 14px 18px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--muted);
}
.viewer-bar .file { color: var(--text); font-weight: 600; overflow-wrap: anywhere; }
.file-msg {
  margin: 0; padding: 12px 18px; border-top: 1px solid var(--line);
  background: rgba(255,207,110,.1); color: var(--warn); font-size: 0.88rem; line-height: 1.5;
}
.viewer-hint { position: absolute; left: 16px; bottom: 12px; font-size: 0.75rem; color: var(--muted); pointer-events: none; z-index: 1; }
.viewer-loading {
  position: absolute; inset: 0; z-index: 3; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; text-align: center; padding: 20px; background: rgba(6,13,24,.82); backdrop-filter: blur(2px);
}
.viewer-loading span:last-child { color: var(--muted); font-size: 0.85rem; }
.spinner {
  width: 46px; height: 46px; border-radius: 50%; border: 4px solid rgba(65,195,216,.2); border-top-color: var(--cyan);
  animation: spin .8s linear infinite;
}
.spinner.sm { width: 18px; height: 18px; border-width: 3px; display: inline-block; vertical-align: -3px; }
@keyframes spin { to { transform: rotate(360deg); } }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.stat { padding: 14px 18px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat .k { font-size: 0.7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.stat .v { font-weight: 700; font-size: 0.98rem; margin-top: 2px; font-variant-numeric: tabular-nums; }

.form-grid { display: grid; gap: 18px; }
.field label { display: block; font-size: 0.8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.field select, .field input[type="number"], .field input[type="text"], .field input[type="email"], .field input[type="password"], .field input[type="search"], .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--field-line);
  background: var(--field); color: var(--text); font: 500 0.95rem var(--font);
}
.field textarea { min-height: 130px; resize: vertical; }
.field select:focus, .field input:focus, .field textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(65,195,216,.18); }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--field); border: 1px solid var(--field-line); border-radius: 10px; padding: 4px; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { margin: 0; text-align: center; padding: 9px 6px; border-radius: 7px; cursor: pointer; text-transform: none; letter-spacing: 0; font-size: 0.88rem; color: var(--muted); }
.seg input:checked + label { background: var(--cyan); color: var(--on-cyan); }
.seg input:focus-visible + label { outline: 2px solid var(--cyan); outline-offset: 2px; }
.swatches { display: grid; gap: 14px; }
.swatch-title { font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; }
.swatch-title span { font-weight: 500; color: var(--muted); font-size: 0.76rem; margin-left: 6px; }
.swatch-row { display: flex; flex-wrap: wrap; gap: 7px; }
.swatch-row .swatch { width: 26px; height: 26px; }
.seg-2 { grid-template-columns: 1fr 1fr; }
.breakdown {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; font-size: 0.88rem; color: var(--muted);
  padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid rgba(65,195,216,.25); font-variant-numeric: tabular-nums;
}
.breakdown span:nth-child(even) { color: var(--text); text-align: right; font-weight: 600; }
.swatch { width: 32px; height: 32px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; box-shadow: inset 0 0 0 1px var(--swatch-ring); }
.swatch[aria-pressed="true"] { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(65,195,216,.3); }
input[type="range"] { width: 100%; accent-color: var(--cyan); }
.range-val { float: right; color: var(--text); text-transform: none; letter-spacing: 0; }

.price-box {
  margin-top: 6px; padding: 22px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(65,195,216,.14), rgba(33,85,114,.2));
  border: 1px solid rgba(65,195,216,.35);
}
.price-box .k { font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.price { font-size: 2.6rem; font-weight: 800; line-height: 1.1; color: var(--spark); text-shadow: 0 0 24px rgba(65,195,216,.35); font-variant-numeric: tabular-nums; }
.price-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.85rem; margin: 6px 0 16px; }
.price-box .btn { width: 100%; }
.note { font-size: 0.78rem; color: var(--muted); margin: 10px 0 0; }
.warn { color: var(--warn); font-size: 0.85rem; margin: 0; }

.hint { margin: 8px 0 0; font-size: 0.82rem; line-height: 1.5; color: var(--muted); }
.hint-strong { color: var(--text); margin-top: 10px; padding-left: 10px; border-left: 2px solid var(--cyan); }
#quote.dragging .viewer-card { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(65,195,216,.25); }

/* ===== Materials ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 980px; margin-inline: auto; }
.mat .tag { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: .08em; padding: 4px 10px; border-radius: 99px; background: rgba(65,195,216,.12); color: var(--cyan); margin-bottom: 14px; }
.mat h3 { font-size: 1.5rem; }
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 20px; }
.pros-cons h4 { margin: 0 0 8px; font-size: 0.75rem; letter-spacing: .14em; text-transform: uppercase; }
.pros-cons h4.pro { color: var(--cyan); }
.pros-cons h4.con { color: var(--bad); }
.pros-cons ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 0.88rem; color: var(--muted); }
.pros-cons li { position: relative; padding-left: 20px; }
.pros-cons ul.pro li::before { content: "+"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.pros-cons ul.con li::before { content: "×"; position: absolute; left: 0; color: var(--bad); font-weight: 700; }
.mat h3 small { font-size: 0.8rem; font-weight: 500; color: var(--muted); letter-spacing: .04em; margin-left: 6px; }

/* ===== Advanced quote settings ===== */
.advanced { border: 1px solid var(--field-line); border-radius: 12px; background: var(--field); }
.advanced summary {
  cursor: pointer; list-style: none; padding: 14px 16px; font-weight: 600; font-size: 0.9rem;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px;
}
.advanced summary::-webkit-details-marker { display: none; }
.advanced summary::before { content: "+"; color: var(--cyan); font-weight: 700; width: 12px; }
.advanced[open] summary::before { content: "×"; }
.advanced summary span { font-weight: 500; font-size: 0.78rem; color: var(--muted); }
.advanced[open] { border-color: rgba(65,195,216,.45); }
.advanced-body { padding: 0 16px 16px; display: grid; gap: 14px; }
.advanced-body .hint:first-child { margin: 0; }
.guide-label { display: block; font-size: 0.75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.nozzle-guide { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 0.8rem; color: var(--muted); }
.nozzle-guide li { padding: 8px 10px; border-radius: 8px; border: 1px solid transparent; line-height: 1.45; }
.nozzle-guide li strong { color: var(--text); margin-right: 4px; }
.nozzle-guide li.active { border-color: rgba(65,195,216,.4); background: rgba(65,195,216,.08); }
.seg.overridden { opacity: .4; pointer-events: none; }

/* ===== Full page drop overlay ===== */
.drop-overlay {
  position: fixed; inset: 0; z-index: 100; display: none; place-items: center; text-align: center;
  background: rgba(5, 11, 20, .88); backdrop-filter: blur(6px);
  border: 3px dashed var(--cyan); pointer-events: none;
}
.drop-overlay.show { display: grid; }
.drop-overlay img { margin: 0 auto 18px; filter: drop-shadow(0 0 24px rgba(65,195,216,.5)); }
.drop-overlay strong { font-size: 1.4rem; color: #e8f4f8; }
.mat .best { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 0.88rem; }
.mat .best strong { color: var(--text); }

/* ===== Process ===== */
.steps { counter-reset: step; }
.step { position: relative; display: flex; flex-direction: column; }
.step-art {
  order: -1; margin: -8px -8px 18px; border-radius: 10px; overflow: hidden;
  background: radial-gradient(circle at 50% 60%, #12304a, var(--navy) 70%);
  border: 1px solid var(--line);
}
.step-art svg { display: block; width: 100%; height: auto; }
@media (min-width: 761px) and (max-width: 980px) {
  .grid-3.steps { grid-template-columns: repeat(3, 1fr); }
  .grid-3.steps .card { padding: 20px; }
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-weight: 800; font-size: 2rem; color: transparent;
  -webkit-text-stroke: 1px var(--cyan); margin-bottom: 10px;
}

/* ===== FAQ ===== */
.faq { max-width: 800px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--cyan); font-size: 1.3rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 18px; color: var(--muted); }

/* ===== Contact ===== */
.contact { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: start; }
.contact-info h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 10px 0 14px; line-height: 1.15; }
.contact-info p { color: var(--muted); }
.contact-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.contact-list .icon { margin: 0; width: 38px; height: 38px; }
.form-status { margin: 0; font-size: 0.9rem; color: var(--cyan); min-height: 1.4em; }

/* Sent / not sent pop-up */
.modal {
  width: min(460px, calc(100% - 32px)); padding: 28px; border-radius: var(--radius);
  border: 1px solid rgba(65,195,216,.45); background: var(--panel); color: var(--text); text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
}
.modal::backdrop { background: rgba(2,6,12,.72); backdrop-filter: blur(3px); }
.modal[open]:not(:modal) { position: fixed; inset: 0; margin: auto; z-index: 100; }
.modal-icon {
  width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(65,195,216,.15); color: var(--cyan);
}
.modal-icon svg { width: 34px; height: 34px; }
.modal h3 { margin: 0 0 10px; font-size: 1.45rem; }
.modal-body { color: var(--muted); font-size: 0.95rem; text-align: left; }
.modal-body p { margin: 0 0 10px; }
.modal-body strong { color: var(--text); }
.modal-body ul { margin: 0 0 10px; padding-left: 20px; }
.modal-body a { font-weight: 600; }
.modal-warn { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: rgba(255,207,110,.1); border: 1px solid rgba(255,207,110,.4); color: var(--warn); }
.modal-warn strong { color: var(--warn); }
.modal-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 18px; }
.modal.is-error { border-color: rgba(255,143,143,.5); }
.modal.is-error .modal-icon { background: rgba(255,143,143,.14); color: var(--bad); }
.form-status a { color: inherit; font-weight: 600; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; } /* spam trap, hidden from people */

/* ===== Footer ===== */
footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: 0.85rem; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }

/* ===== Reveal on scroll ===== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-mark img { animation: none; }
  html { scroll-behavior: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .quote, .contact { grid-template-columns: 1fr; }
  .quote { grid-template-rows: none; grid-template-areas: "viewer" "options" "cart"; }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--menu-bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 12px 0; }
  .nav .btn { display: none; }
  .hero { padding: 56px 0 72px; }
  .hero .wrap { grid-template-columns: 1fr; text-align: center; gap: 28px; }
  .hero-mark { order: -1; }
  .hero-mark img { width: 170px; }
  .hero p.lead { margin-inline: auto; }
  .hero-actions, .hero-points { justify-content: center; }
  section { padding: 68px 0; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .viewer { height: 320px; }
  .row-2 { grid-template-columns: 1fr; }
}

/* ===== Admin: quote requests and price editor (/admin) ===== */
.admin .card:hover { transform: none; border-color: var(--line); }
.admin .nav .btn { display: inline-flex; }
.admin-main { padding: 48px 0 80px; max-width: 760px; }
.admin h1 { margin: 0 0 6px; font-size: 1.8rem; }
.admin h2 { margin: 0 0 4px; font-size: 1.15rem; }
.admin-login { max-width: 420px; margin: 40px auto 0; display: grid; gap: 18px; }
.admin-login p { margin: 0; }
.admin-head p, .admin-section > p { color: var(--muted); margin: 0 0 18px; font-size: 0.93rem; }
.admin-section { margin-top: 20px; }
.admin-section #example { margin: 0; color: var(--text); }
.admin-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
.admin-fields .field { display: flex; flex-direction: column; }
.admin-fields .field label { flex: 1; }
.admin-unit { text-transform: none; letter-spacing: 0; font-weight: 500; opacity: .75; }
.admin-default { display: block; margin-top: 6px; color: var(--muted); font-size: 0.78rem; }
.admin-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 24px; }
.admin-actions .form-status { flex-basis: 100%; }
.admin #quotes { margin-bottom: 48px; }
.admin #quotes .admin-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.admin #quotes-refresh { display: inline-flex; flex-shrink: 0; }
.quote-filters { display: grid; grid-template-columns: 1fr 180px; gap: 14px; }
@media (max-width: 560px) { .quote-filters { grid-template-columns: 1fr; } }
.quote-item { margin-top: 14px; display: grid; gap: 10px; }
.quote-track { display: grid; grid-template-columns: 160px 1fr auto; gap: 10px; align-items: start; }
@media (max-width: 560px) { .quote-track { grid-template-columns: 1fr; } }
.quote-track .field textarea { min-height: 46px; }
.quote-track .field label { margin-bottom: 6px; }
.quote-track > .btn { margin-top: 22px; }
.quote-track .btn { display: inline-flex; justify-content: center; }
.quote-saved { color: var(--muted); font-size: 0.8rem; }
.quote-badge { display: inline-block; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--line); font-size: 0.78rem; margin-left: 8px; vertical-align: middle; }
.quote-badge[data-status="New"] { border-color: var(--cyan); color: var(--cyan); }
.quote-item.highlight { border-color: var(--cyan); }
.quote-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 16px; }
.quote-top h2 { margin: 0; }
.quote-meta { color: var(--muted); font-size: 0.88rem; }
.quote-meta a { color: inherit; }
.quote-files { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.quote-files li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; font-size: 0.93rem; }
.quote-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.quote-actions .btn-delete { margin-left: auto; }
.btn-delete:hover { border-color: var(--bad); color: var(--bad); }
.quote-reply { display: grid; gap: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--sunken); }
.quote-reply .field textarea { min-height: 260px; }
.quote-reply-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.quote-reply-sent { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.quote-item summary { cursor: pointer; color: var(--muted); font-size: 0.88rem; }
.quote-item pre { white-space: pre-wrap; word-break: break-word; margin: 10px 0 0; font: inherit; font-size: 0.88rem; }

/* ===== Policies (home page section, styled like the FAQ) ===== */
.policies details ul { margin: 0 0 18px; padding-left: 20px; display: grid; gap: 8px; color: var(--muted); }
.policies details li strong { color: var(--text); }
.policies details h4 { margin: 4px 0 8px; font-size: 0.95rem; color: var(--cyan); }
.policies details { scroll-margin-top: 84px; }
.policy-updated { margin: 8px 0 0; text-align: center; color: var(--muted); font-size: 0.82rem; }
.form-note { margin: 0; font-size: 0.82rem; color: var(--muted); }

/* The nav has 7 links plus buttons, so switch to the ☰ menu before it runs out of room */
@media (max-width: 1120px) {
  .menu-btn { display: block; margin-left: auto; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--menu-bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 12px 0; }
}

/* ===== Pages (tabs) ===== */
main { min-height: calc(100vh - 68px - 120px); }
[id] { scroll-margin-top: 84px; }
.admin .nav .wrap { justify-content: space-between; }
.page-cta { display: flex; justify-content: center; margin-top: 40px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--cyan); }
@media (max-width: 1120px) {
  .theme-btn { margin-left: 8px; }
}

/* ===== Term tooltips (PLA, PETG…) ===== */
.term { border-bottom: 1px dotted currentColor; cursor: help; white-space: nowrap; }
.term:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 2px; }
.tooltip {
  position: fixed; z-index: 120; max-width: min(300px, calc(100vw - 16px)); padding: 10px 12px; border-radius: 10px;
  background: var(--panel-2); color: var(--text); border: 1px solid rgba(65,195,216,.45);
  box-shadow: 0 12px 32px rgba(0,0,0,.35); font-size: 0.84rem; line-height: 1.45; pointer-events: none;
}

/* ===== Contact: shown when a quote was just filled in ===== */
.quote-ready {
  margin: 0; padding: 12px 14px; border-radius: 10px; font-size: 0.9rem; color: var(--muted);
  background: rgba(65,195,216,.1); border: 1px solid rgba(65,195,216,.4);
}
.quote-ready strong { color: var(--text); }

/* ===== Examples ===== */
.examples { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.example { margin: 0; padding: 0; overflow: hidden; }
.example img:not(.example-ph img) { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.example-ph {
  aspect-ratio: 4 / 3; display: grid; place-content: center; justify-items: center; gap: 10px;
  background: radial-gradient(circle at 50% 40%, #12304a, var(--navy) 75%); color: #8ea6b8; font-size: 0.82rem;
}
.example-ph img { width: 64px; opacity: .55; }
.example figcaption { padding: 16px 18px; display: grid; gap: 2px; }
.example figcaption span { color: var(--muted); font-size: 0.88rem; }

/* ===== About ===== */
.about { max-width: 760px; margin: 0 auto; display: flex; gap: 28px; align-items: center; }
.about img { width: 110px; flex-shrink: 0; }
.about p { font-size: 1rem; }
.about p + p { margin-top: 12px; }
.about-soon { font-style: italic; }
.about:hover { transform: none; }
@media (max-width: 560px) { .about { flex-direction: column; text-align: center; } }