/* =============================================================================
   invoice.css — Customer Estimate Page
   -----------------------------------------------------------------------------
   Premium dark UI inspired by Apple / Stripe / Rivian / premium detailing.
   Single dynamic accent color (--inv-accent) sourced from active site config.
   No hardcoded accent colors. Mobile-first. Reduced-motion safe.
============================================================================= */

:root {
  /* Accent — set by JS from active site config (window.THEME_CONFIG.accents
     or shop.accentColor). Defaults are placeholder; JS overrides them on load. */
  --inv-accent:        #ef1717;
  --inv-accent-rgb:    239, 23, 23;

  /* Background scale */
  --inv-bg-0:          #07080b;
  --inv-bg-1:          #0d0f15;
  --inv-bg-2:          #14171f;
  --inv-bg-3:          #1a1e28;

  /* Surface gradients (used inside cards) */
  --inv-surface:       linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.012));
  --inv-surface-strong:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.018));

  /* Ink (text) scale */
  --inv-ink-0:         #ffffff;
  --inv-ink-1:         rgba(255,255,255,.78);
  --inv-ink-2:         rgba(255,255,255,.56);
  --inv-ink-3:         rgba(255,255,255,.36);

  /* Hairlines */
  --inv-line:          rgba(255,255,255,.08);
  --inv-line-2:        rgba(255,255,255,.14);
  --inv-line-strong:   rgba(255,255,255,.22);

  /* Radius scale */
  --inv-radius-xs:     6px;
  --inv-radius-sm:     10px;
  --inv-radius:        13px;
  --inv-radius-lg:     16px;
  --inv-radius-xl:     20px;

  /* Spacing scale */
  --inv-space-1:       4px;
  --inv-space-2:       8px;
  --inv-space-3:       12px;
  --inv-space-4:       16px;
  --inv-space-5:       20px;
  --inv-space-6:       24px;
  --inv-space-8:       32px;
  --inv-space-10:      40px;
  --inv-space-12:      48px;
  --inv-space-16:      64px;

  /* Easing */
  --inv-ease:          cubic-bezier(.2, .7, .2, 1);
  --inv-ease-out:      cubic-bezier(.16, 1, .3, 1);
  --inv-ease-in-out:   cubic-bezier(.65, 0, .35, 1);

  /* Typography */
  --inv-font-display:  'Bebas Neue', 'Arial Narrow', Impact, sans-serif;
  --inv-font-body:     'Inter', ui-sans-serif, system-ui, -apple-system,
                        BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Shadows */
  --inv-shadow-sm:     0 4px 14px rgba(0,0,0,.25);
  --inv-shadow:        0 18px 40px -16px rgba(0,0,0,.55);
  --inv-shadow-lg:     0 38px 80px -24px rgba(0,0,0,.65);

  color-scheme: dark;
}

* { box-sizing: border-box; }

/* Codex review overlay never blocks input */
#codex-browser-sidebar-comments-root { pointer-events: none !important; }

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--inv-ink-0);
  font-family: var(--inv-font-body);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--inv-bg-0);
  overflow-x: hidden;
}

/* Ambient page-level glow + grid (cinematic, subtle) */
body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: 0;
}
body::before {
  inset: -10% -10% auto -10%;
  height: 56vh;
  background:
    radial-gradient(55% 55% at 20% 0%, rgba(var(--inv-accent-rgb), .15), transparent 70%),
    radial-gradient(45% 45% at 85% 12%, rgba(255,255,255,.03), transparent 70%);
  filter: blur(16px) saturate(108%);
  animation: inv-drift 22s var(--inv-ease-in-out) infinite;
}
body::after {
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.014) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 65%);
  opacity: .8;
}

@keyframes inv-drift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50%      { transform: translate3d(-2%, 1.5%, 0); }
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; }

/* =============================================================================
   PAGE SHELL
============================================================================= */

.invoice-page {
  position: relative;
  z-index: 1;
  width: min(1440px, calc(100% - var(--inv-space-5)));
  margin: 0 auto;
  padding: var(--inv-space-5) 0 var(--inv-space-10);
  display: block;
}

/* The mount node. Keep transparent — children render their own surfaces. */
.invoice-public-card {
  display: block;
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
  overflow: visible;
}

.invoice-toast {
  position: fixed;
  right: var(--inv-space-5);
  bottom: var(--inv-space-5);
  z-index: 50;
  max-width: 320px;
  padding: var(--inv-space-3) var(--inv-space-4);
  border: 1px solid rgba(var(--inv-accent-rgb), .45);
  border-radius: var(--inv-radius-sm);
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
    var(--inv-bg-2);
  box-shadow: var(--inv-shadow-lg);
  color: var(--inv-ink-0);
  font-size: 13px;
  font-weight: 600;
  animation: inv-toast-in .35s var(--inv-ease-out);
}

@keyframes inv-toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================================================
   HERO
============================================================================= */

.inv-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--inv-line);
  border-radius: var(--inv-radius-xl);
  background:
    radial-gradient(70% 80% at 50% -20%, rgba(var(--inv-accent-rgb), .09), transparent 65%),
    var(--inv-surface),
    var(--inv-bg-1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: clamp(18px, 2.2vw, 28px);
  margin-bottom: var(--inv-space-4);
  animation: inv-fade-up .6s var(--inv-ease-out) both;
}

/* Hero hairline accent at top */
.inv-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1.5px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(var(--inv-accent-rgb), .55) 50%,
    transparent 100%);
}

.inv-hero-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--inv-space-4);
  flex-wrap: wrap;
}

.inv-hero-brand {
  display: flex;
  align-items: center;
  gap: var(--inv-space-3);
  min-width: 0;
}

.inv-logo {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(var(--inv-accent-rgb), .42);
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(var(--inv-accent-rgb), .55), rgba(0,0,0,.5)),
    var(--inv-bg-2);
  box-shadow: 0 8px 20px rgba(var(--inv-accent-rgb), .18);
}
.inv-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 5px;
}
.inv-logo span {
  font-family: var(--inv-font-display);
  color: var(--inv-ink-0);
  font-size: 17px;
  letter-spacing: .03em;
}

.inv-brand-meta {
  min-width: 0;
  display: grid;
  gap: 1px;
}
.inv-brand-meta strong {
  display: block;
  font-family: var(--inv-font-body);
  font-weight: 700;
  font-size: 14px;
  color: var(--inv-ink-0);
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}
.inv-brand-meta span {
  font-size: 11.5px;
  color: var(--inv-ink-2);
  letter-spacing: .02em;
}

.inv-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--inv-space-2);
  flex-wrap: wrap;
}

.inv-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: 1px solid var(--inv-line);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  font-size: 10.5px;
  color: var(--inv-ink-2);
  letter-spacing: .04em;
}
.inv-meta-chip strong {
  color: var(--inv-ink-0);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.inv-meta-support {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--inv-line-2);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  color: var(--inv-ink-0);
  text-decoration: none;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: border-color .25s var(--inv-ease), background .25s var(--inv-ease), transform .2s var(--inv-ease);
}
.inv-meta-support:hover {
  border-color: rgba(var(--inv-accent-rgb), .55);
  background: rgba(var(--inv-accent-rgb), .08);
  transform: translateY(-1px);
}
.inv-meta-support svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
}

/* Hero title block — large display */
.inv-hero-title {
  position: relative;
  z-index: 2;
  margin-top: clamp(16px, 2.2vw, 28px);
  margin-bottom: 0;
  max-width: 640px;
}
.inv-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--inv-accent);
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: var(--inv-space-2);
}
.inv-eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--inv-accent);
  box-shadow: 0 0 8px rgba(var(--inv-accent-rgb), .6);
}

.inv-hero-title h1 {
  margin: 0;
  font-family: var(--inv-font-display);
  font-weight: 400;
  font-size: clamp(38px, 6vw, 72px);
  line-height: .94;
  letter-spacing: .005em;
  color: var(--inv-ink-0);
}
.inv-hero-title h1 em {
  font-style: normal;
  color: var(--inv-accent);
  text-shadow: 0 0 24px rgba(var(--inv-accent-rgb), .35);
}
.inv-hero-title p {
  margin: var(--inv-space-3) 0 0;
  max-width: 500px;
  color: var(--inv-ink-1);
  font-size: 13.5px;
  line-height: 1.5;
}

/* Empty / missing-invoice state inside the public card */
.invoice-public-empty {
  display: grid;
  gap: 6px;
  padding: clamp(32px, 6vw, 72px) var(--inv-space-5);
  border: 1px solid var(--inv-line);
  border-radius: var(--inv-radius-lg);
  background:
    var(--inv-surface),
    var(--inv-bg-1);
  text-align: center;
}
.invoice-public-empty strong {
  color: var(--inv-ink-0);
  font-family: var(--inv-font-display);
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: .02em;
}
.invoice-public-empty span {
  color: var(--inv-ink-2);
  font-size: 13px;
}

/* =============================================================================
   MAIN GRID (two columns desktop, stacked mobile)
============================================================================= */

.inv-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: var(--inv-space-4);
  align-items: start;
}

.inv-main-col {
  min-width: 0;
  display: grid;
  gap: var(--inv-space-3);
}

.inv-side {
  position: relative;
  min-width: 0;
}

.inv-side-sticky {
  position: sticky;
  top: var(--inv-space-4);
  display: grid;
  gap: var(--inv-space-3);
}

/* =============================================================================
   SECTION SHELL
============================================================================= */

.inv-section {
  position: relative;
  border: 1px solid var(--inv-line);
  border-radius: var(--inv-radius-lg);
  background:
    var(--inv-surface),
    var(--inv-bg-1);
  padding: clamp(16px, 1.8vw, 22px);
  animation: inv-fade-up .55s var(--inv-ease-out) both;
}

/* Stagger animations on initial render */
.inv-hero                          { animation-delay: 0ms; }
.inv-main .inv-section:nth-child(1) { animation-delay: 60ms; }
.inv-main .inv-section:nth-child(2) { animation-delay: 120ms; }
.inv-main .inv-section:nth-child(3) { animation-delay: 180ms; }
.inv-main .inv-section:nth-child(4) { animation-delay: 240ms; }
.inv-side .inv-summary             { animation: inv-fade-up .55s var(--inv-ease-out) .22s both; }

@keyframes inv-fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.inv-section-head {
  display: grid;
  gap: 4px;
  margin-bottom: var(--inv-space-3);
}
.inv-section-head h2 {
  margin: 0;
  font-family: var(--inv-font-display);
  font-weight: 400;
  font-size: clamp(22px, 2.3vw, 28px);
  line-height: 1;
  letter-spacing: .015em;
  color: var(--inv-ink-0);
}
.inv-section-head p {
  margin: 0;
  color: var(--inv-ink-2);
  font-size: 12.5px;
  line-height: 1.45;
  max-width: 480px;
}

/* =============================================================================
   INFO CARDS (Customer / Vehicle / Shop)
============================================================================= */

.inv-info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--inv-space-2);
  margin-top: var(--inv-space-2);
}

.inv-info-card {
  position: relative;
  display: grid;
  gap: var(--inv-space-2);
  padding: var(--inv-space-3) var(--inv-space-4);
  border: 1px solid var(--inv-line);
  border-radius: var(--inv-radius);
  background:
    var(--inv-surface),
    rgba(255,255,255,.02);
  transition: border-color .25s var(--inv-ease), transform .25s var(--inv-ease), background .25s var(--inv-ease);
}
.inv-info-card:hover {
  border-color: var(--inv-line-2);
  transform: translateY(-1px);
}

.inv-info-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--inv-ink-2);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.inv-info-icon {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: rgba(var(--inv-accent-rgb), .14);
  color: var(--inv-accent);
  border: 1px solid rgba(var(--inv-accent-rgb), .28);
}
.inv-info-icon svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.inv-info-body {
  display: grid;
  gap: 2px;
  min-width: 0;
}
.inv-info-body strong {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--inv-ink-0);
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}
.inv-info-body span {
  display: block;
  font-size: 12px;
  color: var(--inv-ink-2);
  overflow-wrap: anywhere;
  line-height: 1.4;
}
.inv-info-body span.dim { color: var(--inv-ink-3); font-size: 11px; }

/* =============================================================================
   PACKAGE CARDS (homepage visual language, customer-scale)
============================================================================= */

.inv-packages-wrap {
  position: relative;
  min-width: 0;
}

.inv-packages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--inv-space-2);
  align-items: stretch;
  min-width: 0;
}

.inv-package {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(14px, 1.5vw, 18px);
  border: 1px solid var(--inv-line);
  border-radius: var(--inv-radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.012)),
    rgba(14, 14, 16, .85);
  overflow: hidden;
  isolation: isolate;
  text-align: left;
  cursor: pointer;
  transition:
    transform .35s var(--inv-ease),
    border-color .25s var(--inv-ease),
    box-shadow .35s var(--inv-ease);
  will-change: transform;
}

/* Top hairline accent (matches homepage pkg cards) */
.inv-package::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--inv-accent) 50%,
    transparent 100%);
  opacity: .5;
  transition: opacity .3s, height .3s;
  z-index: 3;
}
.inv-package:hover::after { opacity: 1; height: 2px; }

/* Inner highlight sheen */
.inv-package::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 55%;
  background: linear-gradient(180deg, rgba(255,255,255,.035), transparent);
  pointer-events: none;
  z-index: 0;
}

.inv-package > * { position: relative; z-index: 1; }

.inv-package:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--inv-accent-rgb), .35);
  box-shadow:
    0 0 0 1px rgba(var(--inv-accent-rgb), .1),
    0 18px 36px -14px rgba(var(--inv-accent-rgb), .2),
    0 12px 30px rgba(0,0,0,.4);
}

/* Recommended (featured) card — elevated, deeper background, soft glow + pulse */
.inv-package.is-recommended {
  background:
    linear-gradient(180deg, rgba(var(--inv-accent-rgb), .09), rgba(255,255,255,.015) 60%),
    rgba(14, 14, 16, .92);
  border-color: rgba(var(--inv-accent-rgb), .32);
  box-shadow:
    0 0 0 1px rgba(var(--inv-accent-rgb), .13),
    0 18px 42px -16px rgba(var(--inv-accent-rgb), .32),
    0 12px 30px rgba(0,0,0,.4);
}
.inv-package.is-recommended:hover {
  transform: translateY(-5px);
}

/* Selected — strong accent border + glow */
.inv-package.is-selected {
  border-color: rgba(var(--inv-accent-rgb), .85);
  background:
    linear-gradient(180deg, rgba(var(--inv-accent-rgb), .13), rgba(255,255,255,.02) 60%),
    rgba(14, 14, 16, .92);
  box-shadow:
    0 0 0 1.5px rgba(var(--inv-accent-rgb), .3),
    0 24px 56px -18px rgba(var(--inv-accent-rgb), .45),
    0 14px 36px rgba(0,0,0,.45);
  transform: translateY(-2px);
  animation: inv-package-pop .35s var(--inv-ease-out);
}

@keyframes inv-package-pop {
  0%   { transform: translateY(-2px) scale(.99); }
  60%  { transform: translateY(-2px) scale(1.01); }
  100% { transform: translateY(-2px) scale(1); }
}

/* Animated rotating frame for selected + recommended */
.inv-package-frame {
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(
    from var(--inv-pkg-angle, 0deg),
    transparent 0deg,
    var(--inv-accent) 55deg,
    transparent 130deg,
    transparent 360deg);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
          mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .45s;
  pointer-events: none;
  z-index: 2;
}
.inv-package.is-recommended .inv-package-frame {
  opacity: .55;
  animation: inv-pkg-rotate 9s linear infinite;
}
.inv-package.is-selected .inv-package-frame {
  opacity: .85;
  animation: inv-pkg-rotate 5s linear infinite;
}
@keyframes inv-pkg-rotate {
  to { --inv-pkg-angle: 360deg; }
}

/* Top-right badge */
.inv-package-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 4;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(180deg,
    rgb(var(--inv-accent-rgb)) 0%,
    rgba(var(--inv-accent-rgb), .55) 100%);
  border: 1px solid rgba(255,255,255,.22);
  box-shadow:
    0 6px 16px rgba(var(--inv-accent-rgb), .38),
    inset 0 1px 0 rgba(255,255,255,.25);
}
.inv-package-badge::before {
  content: "★";
  margin-right: 5px;
  font-size: 10px;
}

/* Subtle pulse on recommended badge */
.inv-package.is-recommended .inv-package-badge {
  animation: inv-badge-pulse 2.8s var(--inv-ease-in-out) infinite;
}
@keyframes inv-badge-pulse {
  0%, 100% { box-shadow: 0 6px 16px rgba(var(--inv-accent-rgb), .38), inset 0 1px 0 rgba(255,255,255,.25); }
  50%      { box-shadow: 0 6px 22px rgba(var(--inv-accent-rgb), .58), inset 0 1px 0 rgba(255,255,255,.3); }
}

/* Tag eyebrow ("01 — Essential") */
.inv-package-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--inv-accent);
  margin-bottom: 10px;
}
.inv-package-tag::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--inv-accent);
  box-shadow: 0 0 6px rgba(var(--inv-accent-rgb), .55);
}

.inv-package-name {
  margin: 0 0 6px;
  font-family: var(--inv-font-display);
  font-weight: 400;
  font-size: clamp(22px, 1.9vw, 28px);
  line-height: .96;
  letter-spacing: .015em;
  color: var(--inv-ink-0);
}
.inv-package.is-recommended .inv-package-name {
  font-size: clamp(24px, 2.1vw, 30px);
}

.inv-package-subtitle {
  margin: 0 0 10px;
  color: var(--inv-accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  line-height: 1.35;
  text-transform: uppercase;
}

.inv-package-desc {
  margin: 0 0 12px;
  color: var(--inv-ink-1);
  font-size: 12.5px;
  line-height: 1.5;
}

/* Heat rejection */
.inv-heat {
  margin: 0 0 12px;
  padding: 9px 10px;
  border: 1px solid var(--inv-line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01)),
    rgba(0,0,0,.18);
}
.inv-heat-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--inv-ink-2);
}
.inv-heat-head strong {
  color: var(--inv-ink-0);
  letter-spacing: .06em;
}
.inv-heat-track {
  position: relative;
  height: 10px;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  background:
    repeating-linear-gradient(
      90deg,
      rgba(255,255,255,.09) 0 calc(10% - 3px),
      transparent calc(10% - 3px) 10%);
  box-shadow: inset 0 0 14px rgba(0,0,0,.42);
}
.inv-heat-fill {
  position: absolute;
  inset: 0;
  transform-origin: left center;
  transform: scaleX(0);
  background:
    repeating-linear-gradient(
      90deg,
      rgb(var(--inv-accent-rgb)) 0 calc(10% - 3px),
      rgba(var(--inv-accent-rgb), .18) calc(10% - 3px) 10%);
  box-shadow:
    0 0 16px rgba(var(--inv-accent-rgb), .35),
    inset 0 1px 0 rgba(255,255,255,.18);
  animation: inv-heat-fill .9s var(--inv-ease-out) .1s forwards;
}
@keyframes inv-heat-fill {
  to { transform: scaleX(var(--fill, .5)); }
}

/* Feature list */
.inv-package-feats {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 6px;
  flex: 1;
}
.inv-package-feats li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--inv-ink-1);
  font-size: 12.5px;
  line-height: 1.4;
}
.inv-package-feats svg {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  padding: 2px;
  border-radius: 5px;
  background: rgba(var(--inv-accent-rgb), .14);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--inv-accent);
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* Package foot — price + CTA */
.inv-package-foot {
  display: grid;
  gap: 8px;
  margin-top: auto;
}
.inv-package-price {
  display: grid;
  gap: 1px;
  padding: 8px 10px;
  border: 1px dashed rgba(255,255,255,.12);
  border-radius: 8px;
}
.inv-package-price span {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--inv-ink-2);
}
.inv-package-price strong {
  font-family: var(--inv-font-display);
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1;
  color: var(--inv-ink-0);
  letter-spacing: .01em;
}
.inv-package.is-recommended .inv-package-price strong,
.inv-package.is-selected   .inv-package-price strong {
  color: var(--inv-accent);
  text-shadow: 0 0 18px rgba(var(--inv-accent-rgb), .28);
}
.inv-package-price small {
  font-size: 10.5px;
  color: var(--inv-ink-3);
  font-weight: 600;
  letter-spacing: .02em;
}

.inv-package-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--inv-line-2);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  color: var(--inv-ink-0);
  font-family: var(--inv-font-display);
  font-size: 14px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: border-color .25s var(--inv-ease), background .25s var(--inv-ease), box-shadow .25s var(--inv-ease), transform .2s var(--inv-ease);
}
.inv-package-cta:hover {
  border-color: var(--inv-accent);
  background: linear-gradient(180deg, rgba(var(--inv-accent-rgb), .14), rgba(var(--inv-accent-rgb), .04));
  box-shadow: 0 10px 22px rgba(var(--inv-accent-rgb), .22);
}
.inv-package-cta-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  transition: background .25s var(--inv-ease), transform .25s var(--inv-ease), color .25s var(--inv-ease);
  font-size: 11px;
  line-height: 1;
}
.inv-package-cta:hover .inv-package-cta-arrow {
  background: var(--inv-accent);
  border-color: var(--inv-accent);
  color: #0a0a0b;
  transform: translateX(2px);
}

/* Recommended + selected → solid accent CTA */
.inv-package.is-recommended .inv-package-cta,
.inv-package.is-selected   .inv-package-cta {
  background: linear-gradient(180deg, rgb(var(--inv-accent-rgb)) 0%, rgba(var(--inv-accent-rgb), .58) 100%);
  border-color: rgba(255,255,255,.22);
  color: #fff;
  box-shadow:
    0 10px 26px rgba(var(--inv-accent-rgb), .32),
    inset 0 1px 0 rgba(255,255,255,.2);
}
.inv-package.is-recommended .inv-package-cta-arrow,
.inv-package.is-selected   .inv-package-cta-arrow {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.3);
  color: #fff;
}

.inv-package.is-selected .inv-package-cta::before {
  content: "✓ ";
  letter-spacing: .12em;
  color: #fff;
}

/* Carousel nav (mobile only) */
.inv-carousel-nav {
  display: none;
  gap: var(--inv-space-2);
  justify-content: center;
  margin-top: var(--inv-space-3);
}
.inv-carousel-nav button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--inv-line-2);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  color: var(--inv-ink-0);
  font-size: 17px;
  line-height: 1;
  transition: border-color .2s var(--inv-ease), background .2s var(--inv-ease), transform .2s var(--inv-ease);
}
.inv-carousel-nav button:hover {
  border-color: var(--inv-accent);
  background: rgba(var(--inv-accent-rgb), .12);
  transform: translateY(-1px);
}
.inv-carousel-nav button:disabled {
  opacity: .35;
  cursor: not-allowed;
}

/* =============================================================================
   ADD-ONS
============================================================================= */

.inv-addons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--inv-space-2);
}

.inv-addon {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0;
  border: 1px solid var(--inv-line);
  border-radius: var(--inv-radius);
  background:
    var(--inv-surface),
    rgba(14, 14, 16, .8);
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  transition:
    transform .28s var(--inv-ease),
    border-color .25s var(--inv-ease),
    box-shadow .28s var(--inv-ease),
    background .28s var(--inv-ease);
}

.inv-addon:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--inv-accent-rgb), .35);
  box-shadow:
    0 0 0 1px rgba(var(--inv-accent-rgb), .08),
    0 14px 28px -12px rgba(var(--inv-accent-rgb), .2);
}

.inv-addon.is-selected {
  border-color: rgba(var(--inv-accent-rgb), .8);
  background:
    linear-gradient(180deg, rgba(var(--inv-accent-rgb), .1), rgba(255,255,255,.01) 60%),
    rgba(14,14,16,.85);
  box-shadow:
    0 0 0 1px rgba(var(--inv-accent-rgb), .25),
    0 18px 36px -16px rgba(var(--inv-accent-rgb), .32);
  animation: inv-package-pop .28s var(--inv-ease-out);
}

.inv-addon-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 3;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(0,0,0,.7);
  border: 1px solid rgba(var(--inv-accent-rgb), .5);
  color: var(--inv-accent);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Visual block (icon area) */
.inv-addon-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(70% 70% at 50% 40%, rgba(var(--inv-accent-rgb), .14), transparent 70%),
    linear-gradient(135deg, #1a1a1f, #0e0f13);
}
.inv-addon-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 40% at 30% 30%, rgba(255,255,255,.05), transparent 70%);
  pointer-events: none;
}
.inv-addon-visual svg {
  position: relative;
  z-index: 1;
  width: 34%;
  max-width: 52px;
  height: auto;
  color: var(--inv-accent);
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  filter: drop-shadow(0 4px 12px rgba(var(--inv-accent-rgb), .28));
  transition: transform .4s var(--inv-ease);
}
.inv-addon:hover .inv-addon-visual svg {
  transform: scale(1.05);
}

.inv-addon-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  padding: var(--inv-space-3) var(--inv-space-3) var(--inv-space-2);
}
.inv-addon-body h3 {
  margin: 0;
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: -.005em;
  color: var(--inv-ink-0);
  line-height: 1.25;
}
.inv-addon-body p {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--inv-ink-2);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.inv-addon-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: var(--inv-space-2) var(--inv-space-3) var(--inv-space-3);
  border-top: 1px solid var(--inv-line);
  margin-top: 2px;
  background: rgba(0,0,0,.18);
}
.inv-addon-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.inv-addon-price small {
  font-size: 10px;
  color: var(--inv-ink-2);
  font-weight: 500;
}
.inv-addon-price strong {
  font-family: var(--inv-font-display);
  font-size: 21px;
  line-height: 1;
  color: var(--inv-ink-0);
  letter-spacing: .015em;
}

.inv-addon-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border: 1px solid var(--inv-line-2);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: var(--inv-ink-0);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: background .2s var(--inv-ease), border-color .2s var(--inv-ease), transform .2s var(--inv-ease);
  white-space: nowrap;
}
.inv-addon-toggle svg {
  width: 11px;
  height: 11px;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform .25s var(--inv-ease);
}
.inv-addon:hover .inv-addon-toggle {
  border-color: rgba(var(--inv-accent-rgb), .55);
  background: rgba(var(--inv-accent-rgb), .12);
}
.inv-addon.is-selected .inv-addon-toggle {
  border-color: rgba(var(--inv-accent-rgb), .8);
  background: linear-gradient(180deg, rgb(var(--inv-accent-rgb)), rgba(var(--inv-accent-rgb), .65));
  color: #fff;
  box-shadow:
    0 8px 16px rgba(var(--inv-accent-rgb), .3),
    inset 0 1px 0 rgba(255,255,255,.2);
}

/* =============================================================================
   ESTIMATE SUMMARY (sticky side, desktop)
============================================================================= */

.inv-summary {
  position: relative;
  border: 1px solid rgba(var(--inv-accent-rgb), .35);
  border-radius: var(--inv-radius-lg);
  background:
    radial-gradient(70% 50% at 0% 0%, rgba(var(--inv-accent-rgb), .12), transparent 60%),
    var(--inv-surface),
    rgba(11, 12, 16, .92);
  padding: clamp(14px, 1.5vw, 18px);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(var(--inv-accent-rgb), .06),
    0 22px 44px -22px rgba(var(--inv-accent-rgb), .28),
    0 14px 30px rgba(0,0,0,.35);
}
.inv-summary::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1.5px;
  background: linear-gradient(90deg, transparent, rgba(var(--inv-accent-rgb), .75) 50%, transparent);
}

.inv-summary-head {
  display: grid;
  gap: 2px;
  padding-bottom: var(--inv-space-3);
  border-bottom: 1px dashed rgba(255,255,255,.1);
  margin-bottom: var(--inv-space-3);
}
.inv-summary-head .inv-eyebrow {
  margin-bottom: 2px;
}
.inv-summary-total {
  display: block;
  font-family: var(--inv-font-display);
  font-weight: 400;
  font-size: clamp(34px, 3.6vw, 46px);
  line-height: .95;
  letter-spacing: .01em;
  color: var(--inv-ink-0);
  text-shadow: 0 0 18px rgba(var(--inv-accent-rgb), .28);
  transition: color .25s var(--inv-ease);
}
.inv-summary-total.is-changing {
  color: var(--inv-accent);
}
.inv-summary-helper {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--inv-ink-2);
}

.inv-summary-lines {
  display: grid;
  gap: 0;
  margin-bottom: var(--inv-space-3);
}
.inv-summary-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 12.5px;
}
.inv-summary-line:last-child { border-bottom: 0; }
.inv-summary-line span {
  color: var(--inv-ink-2);
  font-size: 11.5px;
  letter-spacing: .02em;
}
.inv-summary-line strong {
  color: var(--inv-ink-0);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.inv-summary-line.is-addon span { color: var(--inv-ink-1); }
.inv-summary-line.is-total {
  margin-top: var(--inv-space-2);
  padding-top: 10px;
  border-top: 1px solid rgba(var(--inv-accent-rgb), .35);
  border-bottom: 0;
}
.inv-summary-line.is-total span {
  color: var(--inv-ink-0);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.inv-summary-line.is-total strong {
  font-size: 16px;
  color: var(--inv-accent);
}

.inv-summary-disclaimer {
  font-size: 10.5px;
  line-height: 1.45;
  color: var(--inv-ink-3);
  margin-bottom: var(--inv-space-3);
}

.inv-summary-actions {
  display: grid;
  gap: var(--inv-space-2);
}

/* =============================================================================
   BUTTONS
============================================================================= */

.inv-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--inv-line-2);
  border-radius: 10px;
  background: rgba(255,255,255,.05);
  color: var(--inv-ink-0);
  font-family: var(--inv-font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .01em;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition:
    transform .2s var(--inv-ease),
    border-color .2s var(--inv-ease),
    background .2s var(--inv-ease),
    box-shadow .25s var(--inv-ease);
}
.inv-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(var(--inv-accent-rgb), .55);
  background: rgba(255,255,255,.08);
  box-shadow: 0 10px 22px rgba(0,0,0,.3);
}
.inv-btn:active { transform: translateY(0); }
.inv-btn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.inv-btn-primary {
  border-color: rgba(255,255,255,.22);
  background: linear-gradient(180deg, rgb(var(--inv-accent-rgb)) 0%, rgba(var(--inv-accent-rgb), .6) 100%);
  color: #fff;
  font-family: var(--inv-font-display);
  font-size: 14px;
  letter-spacing: .1em;
  text-transform: uppercase;
  box-shadow:
    0 12px 28px rgba(var(--inv-accent-rgb), .32),
    inset 0 1px 0 rgba(255,255,255,.22);
}
/* Sheen sweep on hover */
.inv-btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    transparent 30%,
    rgba(255,255,255,.24) 50%,
    transparent 70%);
  transform: translateX(-110%);
  transition: transform .8s var(--inv-ease);
  pointer-events: none;
}
.inv-btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow:
    0 16px 38px rgba(var(--inv-accent-rgb), .42),
    inset 0 1px 0 rgba(255,255,255,.28);
}
.inv-btn-primary:hover::before { transform: translateX(110%); }

.inv-btn-secondary {
  border-color: rgba(var(--inv-accent-rgb), .45);
  background: rgba(var(--inv-accent-rgb), .08);
}
.inv-btn-secondary:hover {
  border-color: var(--inv-accent);
  background: rgba(var(--inv-accent-rgb), .14);
}

.inv-btn-ghost {
  background: transparent;
  border-color: var(--inv-line);
  color: var(--inv-ink-1);
  font-size: 12px;
  font-weight: 500;
  min-height: 36px;
}
.inv-btn-ghost:hover {
  background: rgba(255,255,255,.04);
  color: var(--inv-ink-0);
}

/* =============================================================================
   MOBILE STICKY SUMMARY DRAWER
============================================================================= */

.inv-drawer {
  display: none; /* shown only on mobile via media query */
}

@media (max-width: 900px) {
  .inv-drawer {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    border-top: 1px solid var(--inv-line-2);
    border-radius: 22px 22px 0 0;
    background:
      linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
      rgba(11, 12, 16, .96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 -16px 44px rgba(0,0,0,.5);
    transform: translateY(0);
    transition: transform .35s var(--inv-ease-out);
    max-height: 88vh;
    overflow: hidden;
  }
  .inv-drawer::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1.5px;
    background: linear-gradient(90deg, transparent, rgba(var(--inv-accent-rgb), .55) 50%, transparent);
  }
  .inv-drawer-grip {
    position: absolute;
    left: 50%;
    top: 6px;
    transform: translateX(-50%);
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: rgba(255,255,255,.2);
    pointer-events: none;
  }
  .inv-drawer-handle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 16px 14px 10px;
    color: inherit;
    text-align: left;
  }
  .inv-drawer-handle-left {
    display: grid;
    gap: 1px;
    min-width: 0;
  }
  .inv-drawer-handle-left span {
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--inv-accent);
  }
  .inv-drawer-handle-left strong {
    font-family: var(--inv-font-display);
    font-size: 24px;
    line-height: 1;
    color: var(--inv-ink-0);
    letter-spacing: .015em;
  }
  .inv-drawer-handle-right {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .inv-drawer-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 14px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgb(var(--inv-accent-rgb)) 0%, rgba(var(--inv-accent-rgb), .6) 100%);
    color: #fff;
    font-family: var(--inv-font-display);
    font-size: 12.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    box-shadow:
      0 8px 22px rgba(var(--inv-accent-rgb), .32),
      inset 0 1px 0 rgba(255,255,255,.22);
    white-space: nowrap;
    border: 0;
  }
  .inv-drawer-arrow {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--inv-line);
    color: var(--inv-ink-1);
    font-size: 12px;
    line-height: 1;
    transition: transform .3s var(--inv-ease);
  }
  .inv-drawer.is-open .inv-drawer-arrow {
    transform: rotate(180deg);
  }
  .inv-drawer-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s var(--inv-ease);
    padding: 0 14px;
  }
  .inv-drawer.is-open .inv-drawer-body {
    max-height: 60vh;
    overflow-y: auto;
    padding-bottom: 14px;
  }
  .inv-drawer-body .inv-summary-lines { margin-bottom: 10px; }
  .inv-drawer-body .inv-summary-disclaimer { margin-bottom: 10px; }
  .inv-drawer-body .inv-summary-actions {
    display: grid;
    gap: 7px;
    padding-bottom: 6px;
  }
}

/* =============================================================================
   RESPONSIVE
============================================================================= */

/* Large laptop — keep desktop layout but slightly narrower sidebar */
@media (max-width: 1200px) {
  .inv-main {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
  .inv-addons {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Tablet — sticky column further compresses */
@media (max-width: 1080px) {
  .inv-main {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
  .inv-info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .invoice-page {
    width: min(100%, 1180px);
    padding: 14px 12px 120px; /* extra bottom padding for the sticky drawer */
  }
  .inv-hero {
    padding: 16px;
    border-radius: 16px;
    margin-bottom: 12px;
  }
  .inv-hero-title {
    margin-top: clamp(14px, 3vw, 22px);
  }
  .inv-hero-title h1 {
    font-size: clamp(34px, 5.6vw, 52px);
  }
  .inv-hero-meta {
    width: 100%;
    justify-content: flex-start;
  }
  .inv-main {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .inv-side { display: none; }
  .inv-main-col { gap: 12px; }
  .inv-section { padding: 14px; border-radius: 16px; }
  .inv-section-head { margin-bottom: 10px; }
  .inv-section-head h2 { font-size: clamp(20px, 4.2vw, 26px); }

  .inv-info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  /* Packages: horizontal snap carousel */
  .inv-packages {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 82%;
    grid-template-columns: none;
    gap: 10px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scroll-padding-inline: 14px;
    padding: 4px 14px 14px;
    margin: 0 -14px;
  }
  .inv-packages > .inv-package {
    scroll-snap-align: center;
  }
  .inv-packages::-webkit-scrollbar { height: 5px; }
  .inv-packages::-webkit-scrollbar-track { background: rgba(255,255,255,.04); border-radius: 999px; }
  .inv-packages::-webkit-scrollbar-thumb { background: rgba(var(--inv-accent-rgb), .55); border-radius: 999px; }

  .inv-carousel-nav { display: flex; margin-top: 10px; }

  /* Add-ons: 2-col compact grid */
  .inv-addons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .inv-addon-visual { aspect-ratio: 5 / 3; }
  .inv-addon-body { padding: 10px 10px 4px; }
  .inv-addon-body h3 { font-size: 13px; }
  .inv-addon-body p { font-size: 11px; }
  .inv-addon-foot { padding: 8px 10px 10px; }
  .inv-addon-price strong { font-size: 19px; }
  .inv-addon-toggle {
    padding: 6px 9px;
    font-size: 10.5px;
  }
  .inv-addon-toggle .inv-addon-toggle-label { display: none; }
  .inv-addon-badge {
    top: 7px; left: 7px;
    padding: 3px 6px;
    font-size: 9px;
  }
}

@media (max-width: 520px) {
  .invoice-page {
    width: 100%;
    padding: 10px 8px 120px;
  }
  .inv-hero { padding: 14px; border-radius: 14px; }
  .inv-hero-top { gap: 8px; }
  .inv-logo { width: 38px; height: 38px; border-radius: 9px; }
  .inv-logo span { font-size: 15px; }
  .inv-brand-meta strong { font-size: 13px; }
  .inv-brand-meta span { font-size: 10.5px; }
  .inv-meta-chip { padding: 4px 8px; font-size: 10px; }
  .inv-meta-support { padding: 5px 10px; font-size: 10.5px; }
  .inv-hero-title h1 { font-size: clamp(30px, 8.5vw, 42px); }
  .inv-hero-title p { font-size: 12.5px; }
  .inv-section { padding: 12px; border-radius: 14px; }
  .inv-section-head h2 { font-size: clamp(18px, 5vw, 24px); }
  .inv-packages { grid-auto-columns: 86%; }
  .inv-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
  .inv-addons { grid-template-columns: 1fr; }
  .inv-addon-visual { aspect-ratio: 16 / 9; }
  .inv-meta-support span { display: none; }
  .inv-meta-support { padding: 6px; }
}

/* =============================================================================
   ACCESSIBILITY — focus, reduced motion
============================================================================= */

:focus-visible {
  outline: 2px solid var(--inv-accent);
  outline-offset: 3px;
  border-radius: 6px;
}
.inv-package:focus-visible,
.inv-addon:focus-visible {
  outline-offset: 4px;
  outline-width: 2.5px;
}
.inv-btn:focus-visible,
.inv-package-cta:focus-visible,
.inv-addon-toggle:focus-visible,
.inv-meta-support:focus-visible {
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  body::before { animation: none; }
  .inv-heat-fill { transform: scaleX(var(--fill, .5)); }
  .inv-package.is-recommended .inv-package-frame,
  .inv-package.is-selected   .inv-package-frame { opacity: .55; animation: none; }
}

/* =============================================================================
   PRINT (defensive — invoice PDFs may be browser-printed later)
============================================================================= */

@media print {
  body { background: #fff; color: #000; }
  body::before, body::after { display: none; }
  .inv-drawer, .inv-side, .inv-summary-actions, .inv-carousel-nav { display: none !important; }
  .inv-section, .inv-package, .inv-addon, .inv-summary, .inv-hero {
    background: #fff !important;
    color: #000 !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
  .inv-eyebrow, .inv-package-tag, .inv-summary-line.is-total strong { color: #b00 !important; }
}

/* =============================================================================
   BOOKING MODAL — customer picks a slot inside the shop's working hours (2026-05-21)
   GPU-friendly transitions (opacity/transform); inherits the page accent.
============================================================================= */
.inv-book { position: fixed; inset: 0; z-index: 200; display: flex; align-items: flex-end; justify-content: center; }
@media (min-width: 640px) { .inv-book { align-items: center; } }
.inv-book-backdrop {
  position: absolute; inset: 0; background: rgba(4, 5, 8, .72);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  animation: inv-book-fade .22s ease-out;
}
.inv-book-dialog {
  position: relative; z-index: 1; width: min(560px, 100%);
  max-height: 92vh; display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--inv-bg-2), var(--inv-bg-1));
  border: 1px solid var(--inv-line-2);
  border-radius: var(--inv-radius-xl) var(--inv-radius-xl) 0 0;
  box-shadow: 0 -20px 60px -20px rgba(0,0,0,.7);
  overflow: hidden; animation: inv-book-up .32s cubic-bezier(.16,1,.3,1);
  will-change: transform, opacity;
}
@media (min-width: 640px) {
  .inv-book-dialog { border-radius: var(--inv-radius-xl); box-shadow: 0 30px 70px -24px rgba(0,0,0,.8); animation: inv-book-pop .3s cubic-bezier(.16,1,.3,1); }
}
@keyframes inv-book-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes inv-book-up   { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes inv-book-pop  { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: scale(1); } }

.inv-book-close {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--inv-line-2); background: var(--inv-bg-3); color: var(--inv-ink-2);
  font-size: 20px; line-height: 1; display: grid; place-items: center;
  transition: color .14s ease, background .14s ease;
}
.inv-book-close:hover { color: var(--inv-ink-0); background: var(--inv-bg-2); }

.inv-book-head { padding: 22px 22px 14px; border-bottom: 1px solid var(--inv-line); }
.inv-book-eyebrow { display: block; font: 700 10px/1 'Inter', sans-serif; letter-spacing: .14em; text-transform: uppercase; color: rgba(var(--inv-accent-rgb), .92); }
.inv-book-head h2 { margin: 8px 0 4px; font: 700 21px/1.1 'Inter', sans-serif; color: var(--inv-ink-0); }
.inv-book-sub { margin: 0; font: 500 13px 'Inter', sans-serif; color: var(--inv-ink-2); }
.inv-book-sub strong { color: var(--inv-ink-0); }

.inv-book-body { padding: 18px 22px; overflow: auto; flex: 1; }
.inv-book-field-label { font: 700 11px 'Inter', sans-serif; letter-spacing: .04em; text-transform: uppercase; color: var(--inv-ink-2); margin: 0 0 10px; }
.inv-book-field-label:not(:first-child) { margin-top: 20px; }

.inv-book-days { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
.inv-book-day {
  flex: 0 0 auto; min-width: 78px; cursor: pointer; text-align: center;
  display: flex; flex-direction: column; gap: 2px; padding: 10px 12px;
  border-radius: var(--inv-radius-sm); border: 1px solid var(--inv-line-2); background: var(--inv-bg-2);
  color: var(--inv-ink-1); transition: border-color .16s ease, background .16s ease, transform .16s ease;
}
.inv-book-day:hover { border-color: var(--inv-line-strong); transform: translateY(-1px); }
.inv-book-day.is-active { border-color: rgba(var(--inv-accent-rgb), .8); background: rgba(var(--inv-accent-rgb), .14); color: var(--inv-ink-0); }
.inv-book-day-top { font: 700 12px 'Inter', sans-serif; }
.inv-book-day-bottom { font: 600 13px 'Inter', sans-serif; }
.inv-book-day-count { font: 500 10px 'Inter', sans-serif; color: var(--inv-ink-3); }
.inv-book-day.is-active .inv-book-day-count { color: rgba(var(--inv-accent-rgb), .92); }

.inv-book-slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); gap: 8px; }
.inv-book-slots-empty { font: 500 13px 'Inter', sans-serif; color: var(--inv-ink-2); padding: 10px 0; }
.inv-book-slot {
  cursor: pointer; padding: 11px 8px; border-radius: var(--inv-radius-sm);
  border: 1px solid var(--inv-line-2); background: var(--inv-bg-2); color: var(--inv-ink-1);
  font: 600 13px 'Inter', sans-serif; text-align: center;
  transition: border-color .16s ease, background .16s ease, color .16s ease, transform .12s ease;
}
.inv-book-slot:hover { border-color: var(--inv-line-strong); transform: translateY(-1px); }
.inv-book-slot.is-active { border-color: transparent; background: var(--inv-accent); color: #fff; }

.inv-book-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
@media (max-width: 460px) { .inv-book-contact { grid-template-columns: 1fr; } }
.inv-book-input { display: flex; flex-direction: column; gap: 6px; }
.inv-book-input span { font: 700 11px 'Inter', sans-serif; letter-spacing: .03em; text-transform: uppercase; color: var(--inv-ink-2); }
.inv-book-input input {
  width: 100%; box-sizing: border-box; padding: 11px 13px;
  border-radius: var(--inv-radius-sm); border: 1px solid var(--inv-line-2);
  background: var(--inv-bg-1); color: var(--inv-ink-0); font: 500 14px 'Inter', sans-serif;
  transition: border-color .14s ease;
}
.inv-book-input input:focus { outline: none; border-color: rgba(var(--inv-accent-rgb), .7); }

.inv-book-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 22px; border-top: 1px solid var(--inv-line); background: var(--inv-bg-1);
}
.inv-book-foot-meta { font: 600 12.5px 'Inter', sans-serif; color: var(--inv-ink-1); }
.inv-book-confirm[disabled] { opacity: .45; cursor: not-allowed; }

/* Success */
.inv-book-dialog.is-success { text-align: center; align-items: center; padding: 32px 24px 26px; }
.inv-book-success-icon {
  width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 10px;
  background: rgba(46, 207, 115, .15); color: #2ecf73; animation: inv-book-pop .3s cubic-bezier(.16,1,.3,1);
}
.inv-book-success-icon svg { width: 30px; height: 30px; }
.inv-book-dialog.is-success h2 { margin: 0 0 6px; font: 700 22px 'Inter', sans-serif; color: var(--inv-ink-0); }
.inv-book-success-when { margin: 0 0 4px; font: 700 15px 'Inter', sans-serif; color: rgba(var(--inv-accent-rgb), .95); }
.inv-book-success-sub { margin: 0 0 18px; font: 500 13px 'Inter', sans-serif; color: var(--inv-ink-2); max-width: 360px; }
.inv-book-done { min-width: 160px; }

@media (prefers-reduced-motion: reduce) {
  .inv-book-backdrop, .inv-book-dialog, .inv-book-success-icon { animation: none; }
}

/* =============================================================================
   COMPACT ONE-SCREEN MODE (2026-05) — denser layout that fits a single screen
   on desktop and mobile, while keeping the dealer accent color throughout.
   Appended last so these rules win the cascade.
============================================================================= */

/* Tighter page rhythm */
.invoice-page { padding: 14px 0 24px; }
.inv-hero { padding: 16px 18px; margin-bottom: 12px; }
.inv-hero-title { margin-top: 12px; max-width: 720px; }
.inv-hero-title h1 { font-size: clamp(30px, 3.4vw, 46px); line-height: .96; }
.inv-eyebrow { margin-bottom: 6px; font-size: 10px; letter-spacing: .18em; }
/* The hero lede is decorative — drop it so the fold starts sooner */
.inv-hero-title p { display: none; }

.inv-main { gap: 12px; }
.inv-main-col { gap: 12px; }
.inv-section { padding: 14px 16px; }
.inv-section-head { margin-bottom: 8px; }
.inv-section-head h2 { font-size: clamp(18px, 2vw, 24px); }
.inv-section-head p { font-size: 12px; }

/* Sticky summary: keep it within the viewport so the whole quote reads at once */
.inv-side-sticky { top: 12px; max-height: calc(100vh - 24px); overflow: auto; }
.inv-summary { padding: 14px 16px; }
.inv-summary-total { font-size: clamp(30px, 3vw, 40px); }
.inv-summary-line { padding: 7px 0; font-size: 12.5px; }
.inv-summary-actions { gap: 8px; }

/* Info grid: one tidy row of compact cards */
.inv-info-grid { gap: 10px; }
.inv-info-card { padding: 12px 13px; }

/* Packages a touch denser */
.inv-package { padding: 14px; }

/* =============================================================================
   MOBILE ONE-SCREEN — slim hero, inline compact summary, sticky CTA bar
============================================================================= */
@media (max-width: 900px) {
  .invoice-page { padding: 10px 10px 86px; }   /* room for the sticky bar */

  /* Slim, single-row hero */
  .inv-hero { padding: 12px 13px; margin-bottom: 10px; border-radius: 14px; }
  .inv-hero-title { margin-top: 10px; }
  .inv-hero-title h1 { font-size: clamp(24px, 7vw, 34px); }
  .inv-eyebrow { margin-bottom: 4px; }
  /* The "Created" chip is noise on a phone; keep estimate id + support only */
  .inv-hero-meta .inv-meta-chip:nth-child(2) { display: none; }

  /* Show the summary inline (compact) instead of hiding the side column */
  .inv-side { display: block; }
  .inv-side-sticky { position: static; max-height: none; overflow: visible; }
  .inv-summary { padding: 13px 14px; }
  .inv-summary-total { font-size: 30px; }
  /* The big in-card action buttons are replaced by the sticky bar below */
  .inv-summary .inv-summary-actions { display: none; }

  .inv-section { padding: 12px 13px; }

  /* Slim sticky bottom bar: live total + Book — always one tap, always visible */
  .inv-drawer {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px calc(9px + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(180deg, rgba(13,15,21,.86), rgba(7,8,11,.98));
    border-top: 1px solid rgba(var(--inv-accent-rgb), .35);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 -14px 40px -18px rgba(0,0,0,.9);
  }
  .inv-drawer-grip { display: none; }
  .inv-drawer-handle {
    flex: 1 1 auto; min-width: 0; display: flex; align-items: center;
    justify-content: space-between; gap: 10px; padding: 0; border: 0; background: none;
  }
  .inv-drawer-handle-left { display: flex; flex-direction: column; gap: 1px; min-width: 0; text-align: left; }
  .inv-drawer-handle-left span { font-size: 10px; color: var(--inv-ink-2); text-transform: uppercase; letter-spacing: .08em; }
  .inv-drawer-handle-left strong { font-size: 20px; color: var(--inv-ink-0); font-variant-numeric: tabular-nums; }
  .inv-drawer-handle-right { flex: none; }
  /* Turn the "Book" pill into a real accent CTA button in the bar */
  .inv-drawer-cta {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 11px 18px; border-radius: 999px;
    background: var(--inv-accent); color: #fff;
    font-weight: 800; font-size: 13px; letter-spacing: .02em;
    box-shadow: 0 10px 26px -10px rgba(var(--inv-accent-rgb), .9);
  }
  .inv-drawer-arrow { display: none; }
  .inv-drawer-body { display: none; }   /* the inline summary already shows the lines */
}

@media (max-width: 520px) {
  .inv-hero { padding: 11px 12px; }
  .inv-hero-title h1 { font-size: clamp(22px, 8vw, 30px); }
  .inv-section { padding: 11px 12px; }
  .inv-info-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
  .inv-summary-total { font-size: 27px; }
  .inv-drawer-handle-left strong { font-size: 18px; }
  .inv-drawer-cta { padding: 10px 15px; font-size: 12.5px; }
}

/* Short viewports (landscape phones / small laptops): trim further */
@media (max-height: 760px) and (min-width: 901px) {
  .inv-hero { padding: 12px 16px; margin-bottom: 10px; }
  .inv-hero-title h1 { font-size: clamp(26px, 2.6vw, 36px); }
  .inv-section { padding: 12px 14px; }
}

/* =============================================================================
   CLIENT v3 (2026-05) — narrower/taller packages, vertical add-on list with
   photos, editable discount in the live estimate. Appended last (wins cascade).
============================================================================= */

/* ── Packages: less wide, more vertical. Cap card width + give breathing height
      so three options sit as tidy portrait cards instead of wide blocks. ── */
.inv-packages { gap: 14px; align-items: stretch; }
.inv-packages > .inv-package {
  max-width: 300px;
  min-height: 460px;
}
/* center the row when cards are capped narrower than the track */
@media (min-width: 901px) {
  .inv-packages { justify-content: center; }
}
.inv-package { display: flex; flex-direction: column; }
.inv-package-feats { flex: 1 1 auto; }

/* ── Add-ons: vertical scrolling list of row cards (photo | text | price) ── */
.inv-addons-scroll {
  max-height: 360px;
  overflow-y: auto;
  padding-right: 6px;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--inv-accent-rgb), .55) transparent;
  -webkit-mask-image: linear-gradient(180deg, #000 calc(100% - 20px), transparent);
          mask-image: linear-gradient(180deg, #000 calc(100% - 20px), transparent);
}
.inv-addons-scroll::-webkit-scrollbar { width: 8px; }
.inv-addons-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,.04); border-radius: 999px; }
.inv-addons-scroll::-webkit-scrollbar-thumb { background: rgba(var(--inv-accent-rgb), .5); border-radius: 999px; }

.inv-addons {
  display: flex; flex-direction: column; gap: 10px;
  grid-template-columns: none;   /* override the old grid */
}
.inv-addon {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 10px;
  aspect-ratio: auto;            /* row, not a tall card */
}
.inv-addon .inv-addon-visual {
  aspect-ratio: 1 / 1;
  width: 86px; height: 86px;
  border-radius: 12px;
  overflow: hidden;
}
.inv-addon-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; padding: 0; position: relative; }
.inv-addon-body .inv-addon-badge { position: static; align-self: flex-start; margin-bottom: 2px; }
.inv-addon-body strong { font-size: 14px; color: var(--inv-ink-0); }
.inv-addon-body p { margin: 0; font-size: 12px; color: var(--inv-ink-2); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.inv-addon-foot {
  display: flex; flex-direction: column; align-items: flex-end; gap: 8px;
  padding: 0; border: 0; flex: none;
}
.inv-addon-price { display: inline-flex; align-items: baseline; gap: 1px; }
.inv-addon-price small { color: var(--inv-ink-2); font-size: 12px; }
.inv-addon-price strong { font-family: var(--inv-font-display); font-size: 22px; color: var(--inv-ink-0); }
.inv-addon-toggle {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  padding: 7px 12px; border-radius: 999px; border: 1px solid var(--inv-line-2);
  background: rgba(255,255,255,.05); color: var(--inv-ink-1); font-size: 11.5px; font-weight: 700;
}
.inv-addon.is-selected .inv-addon-toggle { background: var(--inv-accent); border-color: transparent; color: #fff; }
.inv-addon.is-selected { border-color: rgba(var(--inv-accent-rgb), .55); box-shadow: inset 0 0 0 1px rgba(var(--inv-accent-rgb), .5); }

@media (max-width: 520px) {
  .inv-addon { grid-template-columns: 64px minmax(0,1fr) auto; gap: 10px; }
  .inv-addon .inv-addon-visual { width: 64px; height: 64px; }
  .inv-addon-toggle .inv-addon-toggle-label { display: inline; }
}

/* ── Editable discount line in the live estimate ─────────────────────────── */
button.inv-summary-line.is-discount {
  width: 100%; cursor: pointer; background: none; border: 0; text-align: left; font: inherit;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: color .2s var(--inv-ease);
}
button.inv-summary-line.is-discount:hover { color: var(--inv-ink-0); }
.inv-summary-line.is-discount span { display: inline-flex; align-items: center; gap: 6px; }
.inv-summary-line.is-discount .inv-pencil { width: 12px; height: 12px; opacity: .6; color: var(--inv-accent); }
.inv-summary-line.is-discount strong { color: var(--inv-accent); font-weight: 700; }
.inv-summary-line.is-discount.is-editing { display: flex; align-items: center; justify-content: space-between; }
.inv-discount-edit { display: inline-flex; align-items: center; gap: 6px; }
.inv-discount-edit em { font-style: normal; color: var(--inv-ink-2); font-size: 12px; }
.inv-discount-edit input {
  width: 72px; padding: 5px 8px; border-radius: 8px; border: 1px solid rgba(var(--inv-accent-rgb), .5);
  background: rgba(0,0,0,.3); color: var(--inv-ink-0); font: 700 14px var(--inv-font-body);
  font-variant-numeric: tabular-nums;
}
.inv-discount-edit input:focus { outline: none; border-color: var(--inv-accent); box-shadow: 0 0 0 3px rgba(var(--inv-accent-rgb), .2); }
.inv-discount-done {
  width: 30px; height: 30px; display: grid; place-items: center; cursor: pointer;
  border-radius: 8px; border: 0; background: var(--inv-accent); color: #fff;
}
.inv-discount-done svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 2.6; fill: none; }