/* =====================================================
   EM Melissen — FOSSBilling Thema Stylesheet
   Brandbook v1.0 — 2026
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

/* ── Kleurenpalet ── */
:root {
  --navy:       #1C2331;
  --coral:      #D9623A;
  --sage:       #6B9E6F;
  --gold:       #C8921A;
  --warm-white: #F7F7F6;
  --border:     #E2DDD6;
  --grey:       #6B7280;
  --white:      #FFFFFF;

  --navy-dark:  #151b27;
  --navy-light: #243044;
  --coral-dark: #b84e2a;
  --coral-light:#e8784f;
  --sage-light: #8dbf91;

  --font-head:  'Poppins', sans-serif;
  --font-body:  'Lora', serif;

  --radius-btn: 4px;
  --radius-card:6px;
  --shadow-card: 0 2px 12px rgba(28,35,49,0.10);
  --shadow-hover:0 6px 24px rgba(28,35,49,0.16);

  --transition: 0.2s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--navy);
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--coral); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--coral-dark); }

img { max-width: 100%; height: auto; display: block; }

/* ── Typografie ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 0.875rem; }
h4 { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.06em; }

p { font-family: var(--font-body); font-size: 0.9375rem; margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

small, .text-meta { font-size: 0.75rem; color: var(--grey); }
.text-caption { font-style: italic; font-size: 0.875rem; color: var(--grey); }

/* ── Layout ── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ── Navbar ── */
.navbar {
  background: var(--navy);
  border-bottom: 2px solid var(--coral);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1.5rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white) !important;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.navbar-brand .brand-sub {
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--coral);
  display: block;
  line-height: 1;
}

.navbar-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--coral);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--white);
  flex-shrink: 0;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.navbar-nav a {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-btn);
  transition: all var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--white);
  background: rgba(217,98,58,0.15);
}

.navbar-nav a.active { color: var(--coral); }

.navbar-actions { display: flex; align-items: center; gap: 0.5rem; }

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.25rem;
}

/* ── Hero sectie ── */
.hero {
  background: var(--navy);
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 320px; height: 320px;
  background: var(--coral);
  opacity: 0.06;
  border-radius: 50%;
  pointer-events: none;
}

.hero-title {
  color: var(--white);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.hero-title em {
  color: var(--coral);
  font-style: normal;
}

.hero-sub {
  color: rgba(255,255,255,0.7);
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1.0625rem;
  margin-bottom: 2rem;
}

/* ── Knoppen ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6875rem 1.5rem;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
  line-height: 1;
}

.btn-primary {
  background: var(--coral);
  color: var(--white);
  border-color: var(--coral);
}
.btn-primary:hover {
  background: var(--coral-dark);
  border-color: var(--coral-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(217,98,58,0.35);
}

.btn-secondary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-secondary:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--coral);
  border-color: var(--coral);
}
.btn-ghost:hover {
  background: var(--coral);
  color: var(--white);
}

.btn-success {
  background: var(--sage);
  color: var(--white);
  border-color: var(--sage);
}
.btn-success:hover {
  background: #5a8a5e;
  border-color: #5a8a5e;
  color: var(--white);
}

.btn-sm { padding: 0.4375rem 1rem; font-size: 0.8125rem; min-height: 36px; }
.btn-lg { padding: 0.875rem 2rem; font-size: 1rem; min-height: 52px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.card-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
}

/* Dienst card met coral top-border */
.card-service {
  border-top: 3px solid var(--coral);
}
.card-service.sage  { border-top-color: var(--sage); }
.card-service.gold  { border-top-color: var(--gold); }
.card-service.navy  { border-top-color: var(--navy); }

/* ── Dividers ── */
hr, .divider         { border: none; border-top: 2px solid var(--coral); margin: 2rem 0; }
.divider-sage        { border-top: 1px solid var(--sage); }
.divider-subtle      { border-top: 0.5px solid var(--border); }

/* ── Highlight boxen ── */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-card);
  border-left: 4px solid;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}
.alert strong { font-family: var(--font-head); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; display: block; margin-bottom: 0.25rem; }
.alert-tip    { background: rgba(107,158,111,0.08); border-color: var(--sage);  color: #3d6640; }
.alert-tip strong { color: var(--sage); }
.alert-warn   { background: rgba(217,98,58,0.08);  border-color: var(--coral); color: #8b3a1e; }
.alert-warn strong { color: var(--coral); }
.alert-info   { background: rgba(200,146,26,0.08); border-color: var(--gold);  color: #7a5810; }
.alert-info strong { color: var(--gold); }

/* ── Forms ── */
.form-group { margin-bottom: 1.25rem; }

label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.375rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 0.6875rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--navy);
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--sage);
  box-shadow: 0 0 0 3px rgba(107,158,111,0.15);
  background: var(--white);
}

input.error, select.error, textarea.error {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px rgba(217,98,58,0.12);
}

textarea { resize: vertical; min-height: 120px; }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-error { color: var(--coral); font-size: 0.8125rem; margin-top: 0.25rem; font-family: var(--font-head); }
.form-help  { color: var(--grey);  font-size: 0.8125rem; margin-top: 0.25rem; font-style: italic; }

/* ── Tabel ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-card); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
thead { background: var(--navy); color: var(--white); }
thead th { padding: 0.75rem 1rem; font-family: var(--font-head); font-size: 0.8125rem; font-weight: 600; text-align: left; }
tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
tbody tr:hover { background: rgba(242,241,238,0.7); }
tbody tr:last-child { border-bottom: none; }
td { padding: 0.875rem 1rem; color: var(--navy); vertical-align: middle; }

/* ── Badges / labels ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1875rem 0.625rem;
  border-radius: 100px;
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-coral  { background: rgba(217,98,58,0.12);  color: var(--coral-dark); }
.badge-sage   { background: rgba(107,158,111,0.12); color: #3d6640; }
.badge-gold   { background: rgba(200,146,26,0.12);  color: #7a5810; }
.badge-navy   { background: rgba(28,35,49,0.10);    color: var(--navy); }
.badge-grey   { background: rgba(107,114,128,0.12); color: var(--grey); }

/* ── Paginering ── */
.pagination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  list-style: none;
  margin-top: 1.5rem;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.625rem;
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  color: var(--navy);
  transition: all var(--transition);
}
.pagination a:hover { background: var(--coral); border-color: var(--coral); color: var(--white); }
.pagination .active a, .pagination .active span { background: var(--navy); border-color: var(--navy); color: var(--white); }

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  font-family: var(--font-head);
  font-size: 0.8125rem;
  color: var(--grey);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--grey); }
.breadcrumb a:hover { color: var(--coral); }
.breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 0.5rem; color: var(--border); }
.breadcrumb li:last-child { color: var(--navy); font-weight: 600; }

/* ── Page header ── */
.page-header {
  background: var(--navy);
  padding: 2.5rem 0 2rem;
  border-bottom: 2px solid var(--coral);
}
.page-header h1 { color: var(--white); font-size: 1.5rem; margin-bottom: 0.25rem; }
.page-header p  { color: rgba(255,255,255,0.65); font-size: 0.9375rem; margin: 0; }

/* ── Flash berichten ── */
.flash {
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-card);
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.flash-success { background: rgba(107,158,111,0.12); color: #2d5c30; border: 1px solid rgba(107,158,111,0.3); }
.flash-error   { background: rgba(217,98,58,0.10);   color: #8b3a1e; border: 1px solid rgba(217,98,58,0.3); }
.flash-info    { background: rgba(200,146,26,0.10);   color: #7a5810; border: 1px solid rgba(200,146,26,0.3); }

/* ── Footer ── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
  border-top: 2px solid var(--coral);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 0.5px solid rgba(226,221,214,0.15);
  margin-bottom: 1.5rem;
}

.footer-brand-name {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--white);
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
}
.footer-brand-sub {
  color: var(--coral);
  font-size: 0.75rem;
  font-family: var(--font-head);
  margin-bottom: 0.875rem;
}
.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1rem;
}

.footer-heading {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral);
  margin-bottom: 0.875rem;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.375rem; }
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
  font-family: var(--font-head);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: var(--white); }
.footer-kvk { color: var(--gold); }

/* ── Sidebar layout ── */
.layout-sidebar {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0;
}

.sidebar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  position: sticky;
  top: 80px;
}

.sidebar-heading {
  background: var(--navy);
  color: var(--white);
  padding: 0.875rem 1rem;
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--coral);
}

.sidebar-nav { list-style: none; padding: 0.5rem 0; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1rem;
  color: var(--navy);
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: rgba(217,98,58,0.06); color: var(--coral); border-left-color: var(--coral); }
.sidebar-nav a.active { background: rgba(217,98,58,0.08); color: var(--coral); border-left-color: var(--coral); font-weight: 700; }

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* ── Spacing helpers ── */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.p-section { padding: 3rem 0; }

/* ── Prijskaart ── */
.price-tag {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
}
.price-tag .currency { font-size: 0.875rem; vertical-align: super; margin-right: 0.125rem; color: var(--grey); }
.price-tag .period   { font-size: 0.75rem; font-weight: 400; color: var(--grey); }

/* ── Loading ── */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--coral);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .layout-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  h1 { font-size: 1.375rem; }
  .hero-title { font-size: 1.625rem; }
  .navbar-nav { display: none; }
  .navbar-toggle { display: block; }
  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--navy-dark);
    padding: 1rem;
    gap: 0.25rem;
    z-index: 999;
    border-bottom: 2px solid var(--coral);
  }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .layout-sidebar { padding: 1rem 0; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ── Print ── */
@media print {
  .navbar, .footer, .sidebar { display: none; }
  body { font-size: 11pt; color: #000; background: #fff; }
}

/* ===== EM Melissen Orderbutton / Service Manage Stijl ===== */
:root{--navy:#1C2331;--sage:#6B9E6F;--coral:#D9623A;--gold:#C8921A;--warm:#F7F7F6;--border:#E2DDD6;--grey:#6B7280;}

/* Knoppen */
.btn-primary{background-color:var(--coral)!important;border-color:var(--coral)!important;font-family:'Poppins',sans-serif!important;font-weight:700!important;border-radius:4px!important;}
.btn-primary:hover{background-color:#B84E2B!important;border-color:#B84E2B!important;}
.btn-info{background-color:var(--sage)!important;border-color:var(--sage)!important;color:#fff!important;font-family:'Poppins',sans-serif!important;font-weight:700!important;border-radius:4px!important;}
.btn-info:hover{background-color:#4E7A52!important;border-color:#4E7A52!important;color:#fff!important;}
.btn-danger{font-family:'Poppins',sans-serif!important;font-weight:700!important;border-radius:4px!important;}

/* Cards */
.card{border:1px solid var(--border)!important;border-radius:6px!important;box-shadow:0 2px 12px rgba(28,35,49,.06)!important;}
.card-header{background:#fff!important;border-bottom:1px solid var(--border)!important;font-family:'Poppins',sans-serif!important;}
.card-header h1,.card-header h2{font-size:16px!important;font-weight:800!important;color:var(--navy)!important;margin:0!important;}
.card-footer{background:#F7F7F6!important;border-top:1px solid var(--border)!important;}

/* Tabellen */
.table{font-family:'Poppins',sans-serif!important;font-size:13px!important;}
.table td{color:var(--grey)!important;vertical-align:middle!important;}
.table td label{font-weight:700!important;color:var(--navy)!important;margin:0!important;}
.table td strong{color:var(--navy)!important;}
.table-hover tbody tr:hover{background:var(--warm)!important;}

/* Badges */
.badge.bg-success{background-color:var(--sage)!important;}
.badge.bg-info{background-color:var(--gold)!important;}
.badge.bg-danger{background-color:var(--coral)!important;}

/* Nav tabs */
.nav-tabs{border-bottom:2px solid var(--border)!important;}
.nav-tabs .nav-link{font-family:'Poppins',sans-serif!important;font-weight:600!important;font-size:13px!important;color:var(--grey)!important;border:none!important;padding:8px 16px!important;}
.nav-tabs .nav-link.active{color:var(--coral)!important;border-bottom:2px solid var(--coral)!important;background:transparent!important;}
.nav-tabs .nav-link:hover{color:var(--coral)!important;}

/* Form controls */
.form-control,.form-select{font-family:'Poppins',sans-serif!important;font-size:14px!important;border-color:var(--border)!important;border-radius:4px!important;color:var(--navy)!important;background:var(--warm)!important;}
.form-control:focus,.form-select:focus{border-color:var(--sage)!important;box-shadow:0 0 0 3px rgba(107,158,111,0.1)!important;background:#fff!important;}
.col-form-label{font-family:'Poppins',sans-serif!important;font-size:12px!important;font-weight:700!important;color:var(--navy)!important;text-transform:uppercase!important;letter-spacing:.06em!important;}

/* Modals */
.modal-content{border:1px solid var(--border)!important;border-radius:8px!important;font-family:'Poppins',sans-serif!important;}
.modal-header{border-bottom:1px solid var(--border)!important;background:var(--navy)!important;}
.modal-title{color:#fff!important;font-weight:700!important;font-size:15px!important;}
.btn-close{filter:invert(1)!important;}
.modal-footer{border-top:1px solid var(--border)!important;}

html,body{overflow-x:hidden;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;}

/* ── Back-to-top knop ── */
#em-btt {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #D9623A;
  color: #fff;
  border: none;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(217,98,58,.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .25s ease, visibility .25s ease, transform .25s ease, background .18s;
  -webkit-tap-highlight-color: transparent;
}
#em-btt.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#em-btt:hover {
  background: #b84e2a;
  transform: translateY(-2px);
}
@media (max-width: 480px) {
  #em-btt { bottom: 1.25rem; right: 1.25rem; width: 42px; height: 42px; font-size: 1.1rem; }
}