/* ============================================================
   Team Doors — public site redesign
   Dark premium · glass · aurora · motion
   ============================================================ */

:root {
  --bg: #06080d;
  --bg-2: #0b1018;
  --card: rgba(255, 255, 255, 0.045);
  --card-2: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);
  --txt: #edf1f7;
  --muted: #94a0b3;
  --gold: #f0b64f;
  --gold-2: #e0862a;
  --gold-grad: linear-gradient(135deg, #ffd27a 0%, #f0a13c 55%, #cf7220 100%);
  --cyan: #7adcf5;
  --danger: #ff6b6b;
  --ok: #34d399;
  --rad: 20px;
  --rad-sm: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.65);
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

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

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
}

body.locked { overflow: hidden; }

::selection { background: rgba(240, 182, 79, 0.35); }

img { max-width: 100%; }

button { font-family: inherit; color: inherit; }

/* ---------- animated background ---------- */
.bg-aurora { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  mix-blend-mode: screen;
  animation: drift 22s var(--ease) infinite alternate;
}
.o1 { width: 52vw; height: 52vw; left: -14vw; top: -18vw; background: radial-gradient(circle at 35% 35%, rgba(240, 166, 60, 0.5), transparent 65%); }
.o2 { width: 44vw; height: 44vw; right: -12vw; top: 6vh; background: radial-gradient(circle at 60% 40%, rgba(43, 122, 153, 0.55), transparent 65%); animation-delay: -8s; }
.o3 { width: 40vw; height: 40vw; left: 24vw; bottom: -22vw; background: radial-gradient(circle at 50% 50%, rgba(122, 74, 176, 0.4), transparent 65%); animation-delay: -15s; }

@keyframes drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(6vw, 4vh, 0) scale(1.12); }
  100% { transform: translate3d(-4vw, -3vh, 0) scale(0.95); }
}

.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 78%);
}

/* ---------- intro splash ---------- */
.splash {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center; align-content: center; gap: 18px;
  background: var(--bg);
  transition: opacity 0.7s ease, visibility 0.7s;
}
.splash.done { opacity: 0; visibility: hidden; }
.splash-door {
  width: 74px; height: 118px; border: 2px solid rgba(240, 182, 79, 0.8);
  border-radius: 8px 8px 2px 2px; position: relative; perspective: 500px;
  box-shadow: 0 0 44px -8px rgba(240, 182, 79, 0.45);
}
.splash-leaf {
  position: absolute; inset: 4px; border-radius: 4px;
  background: linear-gradient(120deg, #ffd27a, #cf7220);
  transform-origin: left center;
  animation: leafOpen 1.1s var(--ease) 0.15s forwards;
}
@keyframes leafOpen {
  0% { transform: rotateY(0); opacity: 1; }
  100% { transform: rotateY(-72deg); opacity: 0.9; }
}
.splash-logo {
  font-family: var(--font-display); font-size: 1.2rem; letter-spacing: 0.06em;
  animation: fadeUp 0.8s var(--ease) both;
}
.splash-logo b { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 18px;
  padding: 14px clamp(16px, 4vw, 44px);
  background: rgba(6, 8, 13, 0.66);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  animation: fadeUp 0.7s var(--ease) both;
}

.logo {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  letter-spacing: 0.04em; display: flex; align-items: baseline; gap: 6px;
}
.logo span { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo small { font-family: var(--font-body); font-weight: 600; font-size: 0.68rem; color: var(--muted); letter-spacing: 0.02em; }

.topbar-chips { display: flex; gap: 10px; margin-left: auto; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.74rem; font-weight: 700; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 13px;
  background: var(--card);
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}
.chip svg { width: 14px; height: 14px; color: var(--gold); }
.chip:hover { color: var(--txt); border-color: var(--line-2); transform: translateY(-1px); }

.topbar-cta {
  position: relative; overflow: hidden;
  border: 0; border-radius: 999px; cursor: pointer;
  padding: 11px 22px; font-weight: 800; font-size: 0.85rem; color: #241303;
  background: var(--gold-grad);
  box-shadow: 0 10px 28px -12px rgba(240, 161, 60, 0.65);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.topbar-cta::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.55) 50%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.7s ease;
}
.topbar-cta:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(240, 161, 60, 0.8); }
.topbar-cta:hover::after { transform: translateX(120%); }

.topbar-admin {
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--line); border-radius: 12px; color: var(--muted);
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}
.topbar-admin svg { width: 17px; height: 17px; }
.topbar-admin:hover { color: var(--gold); border-color: var(--line-2); transform: translateY(-1px); }

/* ---------- hero ---------- */
.hero {
  max-width: 1280px; margin: 0 auto;
  padding: clamp(34px, 6vh, 64px) clamp(16px, 4vw, 44px) 8px;
  text-align: center;
}
.hero-kicker {
  display: inline-block; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--gold);
  border: 1px solid rgba(240, 182, 79, 0.35); border-radius: 999px;
  padding: 7px 16px; background: rgba(240, 182, 79, 0.08);
  animation: fadeUp 0.7s var(--ease) 0.1s both;
}
.hero-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(1.7rem, 4.6vw, 3.3rem); line-height: 1.12;
  margin: 20px auto 14px; max-width: 20ch;
  animation: fadeUp 0.8s var(--ease) 0.2s both;
}
.hero-title .grad {
  background: linear-gradient(90deg, #ffd27a, #f0a13c, #7adcf5, #ffd27a);
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: gradShift 6s linear infinite;
}
@keyframes gradShift { to { background-position: 250% 0; } }
.hero-sub { color: var(--muted); max-width: 56ch; margin: 0 auto; animation: fadeUp 0.8s var(--ease) 0.32s both; }

/* ---------- configurator layout ---------- */
.app { max-width: 1280px; margin: 0 auto; padding: 26px clamp(16px, 4vw, 44px) 60px; }

.box {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr) 350px;
  gap: 20px;
  align-items: start;
}

/* ---------- side menu ---------- */
.side-menu {
  position: sticky; top: 84px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--rad);
  padding: 22px 16px 16px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 6px;
  animation: fadeUp 0.8s var(--ease) 0.25s both;
}
.side-menu-kicker {
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold); margin: 0 8px;
}
.side-menu-title {
  font-family: var(--font-display); font-size: 1.06rem; font-weight: 700;
  line-height: 1.3; margin: 6px 8px 14px;
}

.menu-btn {
  position: relative; display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border: 1px solid transparent; border-radius: var(--rad-sm);
  background: transparent; color: var(--muted);
  font-size: 0.88rem; font-weight: 700; cursor: pointer; text-align: left;
  transition: color 0.25s, background 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.menu-btn svg { width: 19px; height: 19px; flex: none; transition: transform 0.3s var(--ease); }
.menu-num {
  font-family: var(--font-display); font-size: 0.62rem; font-weight: 700;
  color: rgba(255, 255, 255, 0.28); transition: color 0.25s;
}
.menu-btn:hover { color: var(--txt); background: var(--card-2); transform: translateX(3px); }
.menu-btn:hover svg { transform: scale(1.12); }
.menu-btn.active {
  color: var(--txt);
  background: linear-gradient(90deg, rgba(240, 182, 79, 0.16), rgba(240, 182, 79, 0.04));
  border-color: rgba(240, 182, 79, 0.35);
}
.menu-btn.active .menu-num { color: var(--gold); }
.menu-btn.active::before {
  content: ""; position: absolute; left: -1px; top: 20%; bottom: 20%; width: 3px;
  border-radius: 3px; background: var(--gold-grad);
  box-shadow: 0 0 12px rgba(240, 182, 79, 0.8);
}

.calc-btn {
  position: relative; overflow: hidden;
  margin-top: 10px; border: 0; border-radius: var(--rad-sm); cursor: pointer;
  padding: 14px; font-family: var(--font-display); font-size: 0.82rem; font-weight: 700;
  color: #241303; background: var(--gold-grad);
  box-shadow: 0 12px 30px -12px rgba(240, 161, 60, 0.7);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.calc-btn::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.5) 50%, transparent 60%);
  transform: translateX(-120%); transition: transform 0.7s ease;
}
.calc-btn:hover { transform: translateY(-2px); }
.calc-btn:hover::after { transform: translateX(120%); }

/* ---------- panels ---------- */
.panels { min-width: 0; }

.panel {
  display: none;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--rad);
  padding: 26px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.panel.active { display: block; animation: panelIn 0.5s var(--ease); }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.panel h2 {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  margin-bottom: 20px; display: flex; align-items: center; gap: 12px;
}
.panel h2::after { content: ""; height: 1px; flex: 1; background: linear-gradient(90deg, var(--line-2), transparent); }

/* door type cards */
.door-options { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.door-card { cursor: pointer; }
.door-card input { position: absolute; opacity: 0; pointer-events: none; }
.door-card-body {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 26px 16px; border: 1px solid var(--line); border-radius: var(--rad-sm);
  background: var(--card-2); font-weight: 700;
  transition: border-color 0.25s, transform 0.3s var(--ease), box-shadow 0.3s, background 0.25s;
}
.door-icon { font-size: 2rem; filter: grayscale(0.2); transition: transform 0.35s var(--ease); }
.door-card-body:hover { transform: translateY(-4px); border-color: var(--line-2); }
.door-card-body:hover .door-icon { transform: scale(1.12) rotate(-3deg); }
.door-card input:checked + .door-card-body {
  border-color: rgba(240, 182, 79, 0.65);
  background: linear-gradient(160deg, rgba(240, 182, 79, 0.14), rgba(240, 182, 79, 0.03));
  box-shadow: 0 0 0 1px rgba(240, 182, 79, 0.4), 0 14px 34px -18px rgba(240, 161, 60, 0.55);
}
.selection-info { margin-top: 16px; color: var(--muted); font-size: 0.86rem; }
.selection-info strong { color: var(--gold); }

/* sizes */
.size-group { border: 1px solid var(--line); border-radius: var(--rad-sm); padding: 18px; margin-bottom: 16px; background: rgba(255, 255, 255, 0.02); }
.size-group legend { padding: 0 8px; font-size: 0.74rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.size-row { display: grid; grid-template-columns: 110px 1fr 92px; align-items: center; gap: 12px; margin-top: 12px; }
.size-row.two { grid-template-columns: 110px 1fr; }
.size-row label { font-size: 0.84rem; font-weight: 600; color: var(--muted); }

input[type="range"] { -webkit-appearance: none; appearance: none; height: 26px; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 3px;
  background: linear-gradient(90deg, rgba(240, 182, 79, 0.7), rgba(240, 182, 79, 0.25));
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; margin-top: -6px;
  border-radius: 50%; background: var(--gold-grad); border: 2px solid #0b1018;
  box-shadow: 0 0 0 2px rgba(240, 182, 79, 0.55), 0 0 16px rgba(240, 182, 79, 0.5);
  transition: transform 0.2s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: rgba(240, 182, 79, 0.4); }
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%; background: var(--gold);
  border: 2px solid #0b1018; box-shadow: 0 0 12px rgba(240, 182, 79, 0.6);
}

input[type="number"], input[type="text"], input[type="tel"], input[type="email"], textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  background: rgba(0, 0, 0, 0.35); color: var(--txt);
  padding: 9px 12px; font-family: inherit; font-size: 0.9rem; font-weight: 600;
  transition: border-color 0.25s, box-shadow 0.25s;
}
input:focus, textarea:focus {
  outline: none; border-color: rgba(240, 182, 79, 0.6);
  box-shadow: 0 0 0 3px rgba(240, 182, 79, 0.18);
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }

.size-group.result { border-color: rgba(240, 182, 79, 0.3); background: rgba(240, 182, 79, 0.05); }
.result-row { display: flex; justify-content: space-between; margin-top: 8px; font-size: 0.9rem; color: var(--muted); }
.result-row strong { color: var(--txt); font-variant-numeric: tabular-nums; }
.formula-note { margin-top: 10px; font-size: 0.72rem; color: var(--muted); }

.fiks-config { animation: panelIn 0.45s var(--ease); }
.fiks-heading { font-family: var(--font-display); font-size: 0.95rem; color: var(--cyan); margin: 6px 0 2px; }
.fiks-note { color: var(--muted); font-size: 0.8rem; margin-bottom: 12px; }

/* glass options */
.glass-options { display: grid; gap: 10px; margin-top: 6px; }
.glass-option { cursor: pointer; position: relative; }
.glass-option input { position: absolute; opacity: 0; pointer-events: none; }
.glass-body {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
  background: var(--card-2); transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}
.glass-name { font-weight: 700; font-size: 0.88rem; }
.glass-badge {
  flex: none; font-size: 0.68rem; font-weight: 800; color: var(--cyan);
  border: 1px solid rgba(122, 220, 245, 0.4); border-radius: 999px; padding: 3px 9px;
}
.glass-body:hover { transform: translateX(3px); border-color: var(--line-2); }
.glass-option input:checked + .glass-body {
  border-color: rgba(240, 182, 79, 0.6);
  background: linear-gradient(90deg, rgba(240, 182, 79, 0.14), transparent);
}

/* swing */
.swing-options { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.swing-option { cursor: pointer; position: relative; }
.swing-option input { position: absolute; opacity: 0; pointer-events: none; }
.swing-body {
  display: flex; flex-direction: column; gap: 10px; align-items: center;
  border: 1px solid var(--line); border-radius: var(--rad-sm); padding: 14px;
  background: var(--card-2); font-weight: 700; font-size: 0.86rem;
  transition: border-color 0.25s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.swing-body svg { width: 100%; max-width: 150px; border-radius: 10px; background: #f2f5f9; }
.swing-body:hover { transform: translateY(-4px); border-color: var(--line-2); }
.swing-option input:checked + .swing-body {
  border-color: rgba(240, 182, 79, 0.65);
  box-shadow: 0 0 0 1px rgba(240, 182, 79, 0.4), 0 14px 30px -18px rgba(240, 161, 60, 0.5);
}

/* cladding + colors */
.cladding-options { display: grid; gap: 10px; }
.cladding-option {
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px;
  background: var(--card-2); color: var(--txt); font-weight: 700; font-size: 0.88rem;
  cursor: pointer; text-align: left;
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}
.cladding-option:hover { transform: translateX(3px); border-color: var(--line-2); }
.cladding-option.active {
  border-color: rgba(240, 182, 79, 0.6);
  background: linear-gradient(90deg, rgba(240, 182, 79, 0.15), transparent);
  box-shadow: 0 0 0 1px rgba(240, 182, 79, 0.35);
}

.color-options { display: flex; gap: 12px; flex-wrap: wrap; }
.color-swatch {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px 9px 10px;
  background: var(--card-2); font-weight: 700; font-size: 0.85rem; cursor: pointer;
  transition: border-color 0.25s, transform 0.25s var(--ease), box-shadow 0.25s;
}
.swatch { width: 22px; height: 22px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.25); box-shadow: inset 0 -3px 6px rgba(0, 0, 0, 0.3); }
.color-swatch:hover { transform: translateY(-3px); }
.color-swatch.active {
  border-color: rgba(240, 182, 79, 0.7);
  box-shadow: 0 0 0 2px rgba(240, 182, 79, 0.35), 0 10px 22px -12px rgba(240, 161, 60, 0.6);
}

/* hardware */
.hardware-list { list-style: none; display: grid; gap: 10px; }
.hardware-item {
  position: relative; display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 12px; padding: 13px 16px;
  background: var(--card-2); cursor: pointer;
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}
.hardware-item input { position: absolute; opacity: 0; pointer-events: none; }
.hardware-name { font-weight: 700; font-size: 0.88rem; flex: 1; }
.tick {
  flex: none; width: 22px; height: 22px; border-radius: 8px;
  border: 1.5px solid var(--line-2); position: relative;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.tick::after {
  content: ""; position: absolute; left: 6px; top: 2.5px; width: 6px; height: 11px;
  border: solid #241303; border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg) scale(0); transition: transform 0.25s var(--ease);
}
.hardware-item:hover { transform: translateX(3px); border-color: var(--line-2); }
.hardware-item input:checked ~ .hardware-name { color: var(--gold); }
.hardware-item:has(input:checked) {
  border-color: rgba(240, 182, 79, 0.55);
  background: linear-gradient(90deg, rgba(240, 182, 79, 0.13), transparent);
}
.hardware-item input:checked ~ .tick { background: var(--gold-grad); border-color: transparent; box-shadow: 0 0 14px rgba(240, 182, 79, 0.5); }
.hardware-item input:checked ~ .tick::after { transform: rotate(45deg) scale(1); }

/* handles */
.handle-options { display: grid; gap: 10px; }
.handle-option { cursor: pointer; position: relative; }
.handle-option input { position: absolute; opacity: 0; pointer-events: none; }
.handle-body {
  display: block; border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px;
  background: var(--card-2); font-weight: 700; font-size: 0.88rem;
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}
.handle-body:hover { transform: translateX(3px); border-color: var(--line-2); }
.handle-option input:checked + .handle-body {
  border-color: rgba(240, 182, 79, 0.6);
  background: linear-gradient(90deg, rgba(240, 182, 79, 0.14), transparent);
}

.handle-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.handle-side {
  border: 1px solid var(--line); border-radius: var(--rad-sm); padding: 14px;
  background: rgba(255, 255, 255, 0.03); display: flex; flex-direction: column; gap: 8px; align-items: center;
  transition: transform 0.3s var(--ease), border-color 0.25s;
}
.handle-side:hover { transform: translateY(-3px); border-color: var(--line-2); }
.handle-side-title { font-family: var(--font-display); font-size: 0.78rem; font-weight: 700; color: var(--gold); }
.handle-side-note { font-size: 0.72rem; color: var(--muted); }
.handle-side img { width: 100%; height: 170px; object-fit: contain; border-radius: 10px; background: #f2f5f9; animation: panelIn 0.4s var(--ease); }
.handle-preview-note { font-size: 0.72rem; color: var(--muted); text-align: center; }
.handle-preview-note code { background: var(--card-2); border-radius: 6px; padding: 1px 6px; }

/* ---------- live preview column ---------- */
.preview-col {
  position: sticky; top: 84px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--rad);
  padding: 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.35s var(--ease);
  animation: fadeUp 0.8s var(--ease) 0.35s both;
}
.preview-stage {
  border-radius: var(--rad-sm); overflow: hidden; position: relative;
  background: radial-gradient(120% 90% at 50% 0%, rgba(122, 220, 245, 0.1), transparent 60%);
}
.preview-stage::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 42%, rgba(255, 255, 255, 0.09) 50%, transparent 58%);
  background-size: 250% 100%;
  animation: sheen 5.5s ease-in-out infinite;
}
@keyframes sheen {
  0%, 55% { background-position: 130% 0; }
  90%, 100% { background-position: -130% 0; }
}
.door-preview svg { display: block; width: 100%; height: auto; animation: floatDoor 6s ease-in-out infinite; }
@keyframes floatDoor {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.live-specs { list-style: none; margin: 14px 0; display: grid; gap: 7px; }
.live-specs li {
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 0.8rem; color: var(--muted);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08); padding-bottom: 7px;
}
.live-specs strong { color: var(--txt); text-align: right; font-weight: 700; }

.live-price {
  border: 1px solid rgba(240, 182, 79, 0.35); border-radius: var(--rad-sm);
  background: linear-gradient(160deg, rgba(240, 182, 79, 0.14), rgba(240, 182, 79, 0.03));
  padding: 14px 16px; display: flex; flex-direction: column; gap: 3px;
}
.live-price-label { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.live-price-value {
  font-family: var(--font-display); font-size: 1.55rem; font-weight: 900;
  background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums;
}
.live-price-value.bump { animation: bump 0.45s var(--ease); }
@keyframes bump {
  0% { transform: scale(1); filter: brightness(1); }
  35% { transform: scale(1.07); filter: brightness(1.35); }
  100% { transform: scale(1); filter: brightness(1); }
}
.live-price-note { font-size: 0.72rem; color: var(--muted); }
.live-price.idle { border-color: var(--line); background: var(--card-2); }
.live-price.idle .live-price-value { background: none; color: var(--muted); }

/* ---------- trust bar ---------- */
.trust-bar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.trust-item {
  display: flex; gap: 14px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: var(--rad); padding: 20px;
  background: var(--card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0; transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), border-color 0.3s;
}
.trust-item.in { opacity: 1; transform: none; }
.trust-item:nth-child(2) { transition-delay: 0.12s; }
.trust-item:nth-child(3) { transition-delay: 0.24s; }
.trust-item:hover { border-color: rgba(240, 182, 79, 0.4); }
.trust-item svg { width: 26px; height: 26px; flex: none; color: var(--gold); margin-top: 2px; }
.trust-item strong { display: block; font-family: var(--font-display); font-size: 0.86rem; margin-bottom: 5px; }
.trust-item span { color: var(--muted); font-size: 0.82rem; }

/* ---------- checkout ---------- */
.checkout {
  position: fixed; inset: 0; z-index: 60; overflow: auto;
  background: rgba(6, 8, 13, 0.9);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  animation: checkoutIn 0.45s var(--ease);
}
@keyframes checkoutIn { from { opacity: 0; } to { opacity: 1; } }

.checkout-top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1100px; margin: 0 auto; padding: 22px clamp(16px, 4vw, 32px);
}
.checkout-back {
  border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px;
  background: var(--card); color: var(--muted); font-weight: 700; font-size: 0.82rem; cursor: pointer;
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}
.checkout-back:hover { color: var(--txt); border-color: var(--line-2); transform: translateX(-3px); }

.checkout-grid {
  max-width: 1100px; margin: 0 auto; padding: 10px clamp(16px, 4vw, 32px) 70px;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 22px; align-items: start;
}

.checkout-form, .checkout-summary {
  border: 1px solid var(--line); border-radius: var(--rad); padding: 28px;
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  animation: panelIn 0.5s var(--ease);
}
.checkout-form h2 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 6px; }
.checkout-sub { color: var(--muted); font-size: 0.86rem; margin-bottom: 22px; }

.form-row { display: grid; gap: 14px; margin-bottom: 14px; }
.form-row.two { grid-template-columns: 1fr 1fr; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-field label { font-size: 0.76rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.form-field input, .form-field textarea { padding: 12px 14px; }

.form-error { color: var(--danger); font-weight: 700; font-size: 0.84rem; margin: 4px 0 10px; animation: shake 0.4s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.order-submit, .checkout-continue {
  position: relative; overflow: hidden; width: 100%;
  border: 0; border-radius: var(--rad-sm); cursor: pointer;
  padding: 15px; font-weight: 800; font-size: 0.95rem; color: #241303;
  background: var(--gold-grad);
  box-shadow: 0 14px 34px -14px rgba(240, 161, 60, 0.7);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.order-submit::after, .checkout-continue::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.5) 50%, transparent 60%);
  transform: translateX(-120%); transition: transform 0.7s ease;
}
.order-submit:hover, .checkout-continue:hover { transform: translateY(-2px); }
.order-submit:hover::after, .checkout-continue:hover::after { transform: translateX(120%); }

.order-success {
  border: 1px solid rgba(52, 211, 153, 0.4); border-radius: var(--rad); padding: 44px 32px;
  background: var(--card); text-align: center;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  animation: panelIn 0.5s var(--ease);
}
.order-success svg { width: 64px; height: 64px; color: var(--ok); }
.order-success svg circle { stroke-dasharray: 63; stroke-dashoffset: 63; animation: draw 0.7s var(--ease) 0.1s forwards; }
.order-success svg path { stroke-dasharray: 20; stroke-dashoffset: 20; animation: draw 0.5s var(--ease) 0.6s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.order-success h2 { font-family: var(--font-display); margin: 16px 0 10px; }
.order-success p { color: var(--muted); margin-bottom: 22px; }
.order-success strong { color: var(--txt); }

.checkout-summary h3 { font-family: var(--font-display); font-size: 1rem; margin-bottom: 14px; }

/* ---------- summary rows / price box (modal + checkout) ---------- */
.summary { display: flex; flex-direction: column; gap: 8px; }
.summary .row {
  display: flex; justify-content: space-between; gap: 14px;
  font-size: 0.86rem; color: var(--muted);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08); padding-bottom: 8px;
}
.summary .row strong { color: var(--txt); text-align: right; }
.nowrap { white-space: nowrap; }

.price-box { margin-top: 14px; border: 1px solid rgba(240, 182, 79, 0.35); border-radius: var(--rad-sm); padding: 16px; background: rgba(240, 182, 79, 0.06); display: flex; flex-direction: column; gap: 8px; }
.price-box .row { border: 0; padding: 0; }
.price-total {
  margin-top: 6px; padding-top: 12px; border-top: 1px solid rgba(240, 182, 79, 0.3);
  font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--gold);
}
.price-error {
  margin-top: 14px; padding: 14px; text-align: center;
  border: 1px solid rgba(255, 107, 107, 0.45); border-radius: var(--rad-sm);
  color: var(--danger); font-weight: 800; letter-spacing: 0.08em;
  animation: shake 0.4s ease;
}
.checkout-continue { margin-top: 16px; }

/* ---------- modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(4, 6, 10, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: grid; place-items: center; padding: 20px;
  animation: checkoutIn 0.3s ease;
}
.modal {
  width: min(560px, 100%); max-height: 84vh; overflow: auto;
  border: 1px solid var(--line-2); border-radius: var(--rad); padding: 28px;
  background: linear-gradient(170deg, rgba(20, 26, 36, 0.96), rgba(10, 14, 21, 0.96));
  box-shadow: var(--shadow);
  animation: popIn 0.45s var(--ease);
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(22px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
.modal h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 16px; }

.modal-close {
  margin-top: 18px; border: 1px solid var(--line-2); border-radius: 12px;
  background: var(--card-2); color: var(--txt); padding: 11px 22px;
  font-weight: 700; font-size: 0.86rem; cursor: pointer;
  transition: border-color 0.25s, transform 0.25s;
}
.modal-close:hover { border-color: var(--gold); transform: translateY(-2px); }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .box { grid-template-columns: 236px minmax(0, 1fr); }
  .preview-col { grid-column: 1 / -1; position: static; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 18px; align-items: center; }
  .live-specs { margin: 0; }
  .live-price { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .topbar-chips { display: none; }
  .box { grid-template-columns: 1fr; }
  .side-menu { position: static; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px; padding: 14px; }
  .side-menu-kicker, .side-menu-title { display: none; }
  .menu-btn { padding: 10px 12px; }
  .menu-btn:hover { transform: none; }
  .calc-btn { margin-top: 0; flex: 1 1 100%; }
  .preview-col { grid-template-columns: 1fr; }
  .trust-bar { grid-template-columns: 1fr; }
  .checkout-grid { grid-template-columns: 1fr; }
  .swing-options, .door-options { grid-template-columns: 1fr; }
  .form-row.two { grid-template-columns: 1fr; }
  .size-row { grid-template-columns: 90px 1fr 84px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}