/* Global Facility Services GmbH - Swiss Architecture Stylesheet */
:root {
  --navy: #0B3466;
  --navy2: #123F78;
  --ink: #0E2240;
  --green: #22913A;
  --green-h: #1B7A30;
  --lime: #63D44E;
  --sky: #EAF2FA;
  --paper: #F5F8FB;
  --white: #FFFFFF;
  --line: #D6E1EC;
  --muted: #4D6177;
  --wa: #178A45;
  --f-head: "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-body: "Public Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --gut: max(20px, env(safe-area-inset-left, 0px));
  --gutR: max(20px, env(safe-area-inset-right, 0px));
  --w: 1260px;
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 118px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--w);
  margin: 0 auto;
  padding-left: var(--gut);
  padding-right: var(--gutR);
}

h1, h2, h3 {
  margin: 0;
  text-wrap: balance;
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
}

h2 {
  font: 800 clamp(1.8rem, 3.6vw, 2.5rem)/1.12 var(--f-body);
  color: var(--ink);
  letter-spacing: -0.01em;
}

h3 {
  font: 800 1.3rem/1.2 var(--f-body);
}

p { margin: 0; }
a { color: var(--navy2); }

.eyebrow {
  font: 800 0.82rem/1 var(--f-body);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
}

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ==========================================================================
   HEADER: Swiss Architectural Two-Tier Header
   ========================================================================== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

/* Tier 1: Micro Utility Bar */
.top-microbar {
  background: var(--navy);
  color: #D6E4F2;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.microbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.micro-left, .micro-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.micro-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.micro-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke: #86A8D0;
}

.micro-sep {
  color: #4D74A5;
}

.micro-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #D6E4F2;
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: color 0.15s ease;
}
.micro-link:hover { color: #fff; }
.micro-link:hover .micro-icon { stroke: #fff; }

/* Segmented Language Control */
.lang-segmented {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px;
  border-radius: 6px;
  gap: 2px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.lang-pill {
  background: none;
  border: none;
  color: #A9C5E4;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1;
}

.lang-pill:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

.lang-pill.active {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* Tier 2: Main Navigation Bar */
.main-navbar {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(11, 52, 102, 0.08);
  box-shadow: 0 4px 20px rgba(11, 52, 102, 0.04);
}

.hd {
  display: flex;
  align-items: center;
  min-height: 76px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark img {
  width: 68px !important;
  height: 56px !important;
  object-fit: contain;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--f-body);
  font-weight: 900;
  font-size: 1.55rem;
  color: var(--navy);
  letter-spacing: 0.03em;
  line-height: 1;
}

.logo-sub {
  font-family: var(--f-body);
  font-weight: 800;
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
  margin-top: 5px;
}

/* Nav Links */
nav.main {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

nav.main a {
  position: relative;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  color: #1E3A5F;
  font-weight: 700;
  font-size: 0.96rem;
  transition: all 0.15s ease;
}

nav.main a:hover {
  background: #EEF4FA;
  color: var(--navy);
}

nav.main a.on {
  color: var(--green);
  background: #EBF7EE;
  font-weight: 800;
}

/* Primary CTA Quote Button */
.btn-quote {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-h) 100%);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0 22px;
  min-height: 48px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(34, 145, 58, 0.25);
  transition: all 0.2s ease;
  margin-left: 18px;
  flex-shrink: 0;
  border: none;
  cursor: pointer;
}

.btn-quote svg {
  width: 18px;
  height: 18px;
}

.btn-quote:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 145, 58, 0.38);
}

.btn-quote .arrow-indicator {
  transition: transform 0.15s ease;
}
.btn-quote:hover .arrow-indicator {
  transform: translateX(4px);
}

/* Hamburger Toggle */
.menu-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 46px;
  height: 46px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 2px solid var(--line);
  box-shadow: 0 16px 36px rgba(11, 52, 102, 0.12);
  z-index: 99;
}

.mobile-drawer.open {
  display: block;
}

.mobile-drawer-inner {
  padding: 20px var(--gutR) 28px var(--gut);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-lang-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.mobile-lang-title { font-weight: 700; font-size: 0.9rem; color: var(--navy); }
.mobile-lang-segmented .lang-pill {
  padding: 6px 12px;
  font-size: 0.88rem;
  background: #EAF2FA;
  color: var(--navy);
}
.mobile-lang-segmented .lang-pill.active {
  background: var(--navy);
  color: #fff;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
}
.mobile-link {
  padding: 14px 4px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--line);
}
.mobile-link.on { color: var(--green); }

.mobile-drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 6px;
}
.mobile-cta { width: 100%; justify-content: center; margin-left: 0; }
.mobile-quick-contacts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.mobile-contact-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  font-size: 0.9rem;
}
.mobile-contact-pill.wa {
  background: #E8F5E9;
  border-color: #C8E6C9;
  color: var(--wa);
}

@media (max-width: 1080px) {
  nav.main, .nav-cta-wrap { display: none; }
  .menu-toggle { display: flex; }
}

@media (max-width: 680px) {
  .top-microbar { display: none; }
  .logo-title { font-size: 1.35rem; }
  .logo-sub { font-size: 0.65rem; }
  .logo-mark img { width: 56px !important; height: 46px !important; }
}

/* ==========================================================================
   BUTTONS & GENERAL STYLES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font: 700 1rem/1 var(--f-body);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}

.btn svg { width: 20px; height: 20px; flex: none; }

.btn.green { background: var(--green); color: var(--white); }
.btn.green:hover { background: var(--green-h); transform: translateY(-1px); }

.btn.ghostw { border-color: var(--white); color: var(--white); background: transparent; }
.btn.ghostw:hover { background: rgba(255, 255, 255, 0.12); }

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

.btn.wa { background: var(--wa); color: var(--white); }
.btn.wa:hover { background: #147239; }

.btn.sq { border-radius: 8px; }

.btn.loading { position: relative; pointer-events: none; opacity: 0.8; }
.btn.loading::after {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Hero */
.hero {
  position: relative;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
}

.hero .bg {
  position: absolute;
  inset: 0 0 0 auto;
  width: 68%;
  background-size: cover;
  background-position: center;
}

.hero .bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--navy) 0%, rgba(11, 52, 102, 0.86) 22%, rgba(11, 52, 102, 0.25) 52%, rgba(11, 52, 102, 0) 75%);
}

.hero .wrap {
  position: relative;
  padding-block: 64px 70px;
}

.hero h1 {
  font: 800 clamp(2.6rem, 6.2vw, 4.6rem)/1.04 var(--f-head);
  letter-spacing: -0.005em;
}

.hero h1 em {
  font-style: normal;
  color: var(--lime);
}

.hero .lead {
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.35;
  margin-top: 22px;
  max-width: 26em;
}

.hero .ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

@media (max-width: 760px) {
  .hero .bg { width: 100%; opacity: 0.55; }
  .hero .bg::after { background: linear-gradient(180deg, rgba(11, 52, 102, 0.6), var(--navy) 92%); }
}

/* Bildkarten */
.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.card {
  border-radius: 12px;
  overflow: hidden;
  background: var(--navy);
  color: var(--white);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(11, 52, 102, 0.18);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(11, 52, 102, 0.25);
}

.card img {
  width: 100%;
  aspect-ratio: 2/1;
  object-fit: cover;
  display: block;
}

.card div {
  padding: 14px 20px 18px;
  background: linear-gradient(180deg, var(--navy2), var(--navy));
  flex-grow: 1;
}

.card h3 { font-size: 1.32rem; color: var(--white); }
.card p { font-size: 0.95rem; color: #DCE7F3; margin-top: 4px; }

@media (max-width: 1000px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .cards { grid-template-columns: minmax(0, 1fr); } }

/* Vertrauensband */
.trust { background: var(--sky); margin-top: 26px; }
.trust .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 0;
  padding-block: 16px;
}
.trust span {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 800 1.25rem/1 var(--f-body);
  color: var(--navy);
  padding: 0 44px;
}
.trust span + span { border-left: 2px solid #9DB4CC; }
.trust svg { width: 34px; height: 34px; flex: none; }

@media (max-width: 640px) {
  .trust span { padding: 6px 18px; font-size: 1.05rem; }
  .trust span + span { border-left: 0; }
}

/* Über uns */
.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: stretch;
  padding-block: 44px 64px;
}
.about .txt { display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.about .txt p { color: #2B3D55; }
.about .pic { border-radius: 12px; overflow: hidden; min-height: 240px; background-size: cover; background-position: center; }
.cta {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--white);
  border-radius: 12px;
  padding: 30px 28px 34px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: center;
}
.cta h3 { font: 800 1.75rem/1.12 var(--f-body); }
.cta p { color: #DCE7F3; }
.cta .btn { align-self: flex-start; position: relative; z-index: 1; min-height: 46px; }
.cta svg.sw { position: absolute; right: -20px; bottom: -12px; width: 240px; height: 110px; pointer-events: none; }

@media (max-width: 1000px) {
  .about { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .about .txt { grid-column: 1 / -1; }
}
@media (max-width: 640px) { .about { grid-template-columns: minmax(0, 1fr); } }

section { padding-block: 72px; }

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 36px;
}
.sec-head p { color: var(--muted); }
.sec-head p.eyebrow { color: var(--green); }
.quote .sec-head p.eyebrow { color: var(--lime); }

@media (max-width: 860px) { .sec-head { grid-template-columns: minmax(0, 1fr); } }

/* Services */
.svc { background: var(--paper); }
.list { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 18px; }
.item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  transition: transform 0.2s, box-shadow 0.2s;
}
.item:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05); }
.item .ic { width: 46px; height: 46px; border-radius: 50%; background: var(--sky); color: var(--navy); display: grid; place-items: center; }
.item .ic svg { width: 24px; height: 24px; }
.item p { color: var(--muted); font-size: 0.97rem; }
.item ul { list-style: none; padding: 0; margin: 2px 0 0; display: grid; gap: 6px; font-size: 0.95rem; }
.item li { display: grid; grid-template-columns: 18px 1fr; gap: 8px; }
.item li::before { content: ""; width: 10px; height: 10px; margin-top: 0.5em; border-radius: 50%; background: var(--green); }
.item a.more { margin-top: auto; padding-top: 8px; font-weight: 700; color: var(--green); text-decoration: none; }
.item a.more:hover { text-decoration: underline; }
.badge { align-self: flex-start; background: var(--lime); color: var(--ink); font: 800 0.75rem/1 var(--f-body); letter-spacing: 0.06em; text-transform: uppercase; padding: 6px 9px; border-radius: 4px; }

/* Ablauf */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  counter-reset: s;
  list-style: none;
  padding: 0;
  margin: 0;
}
.steps li { position: relative; }
.steps li::before {
  counter-increment: s;
  content: counter(s);
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font: 800 1.2rem/1 var(--f-body);
  margin-bottom: 16px;
}
.steps h3 { font-size: 1.2rem; margin-bottom: 6px; }
.steps p { color: var(--muted); font-size: 0.97rem; }

@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* Offerte */
.quote { background: var(--navy); color: var(--white); }
.quote h2 { color: var(--white); }
.quote .eyebrow { color: var(--lime); }
.quote .sec-head p { color: #DCE7F3; }
.sheet {
  background: var(--white);
  color: var(--ink);
  border-radius: 12px;
  padding: clamp(20px, 4vw, 40px);
  display: grid;
  gap: 22px;
}
.sheet .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 18px; }
.f { display: grid; gap: 6px; min-width: 0; }
.f label, .f .lab { font-weight: 700; font-size: 0.92rem; }
.f .opt { font-weight: 400; color: var(--muted); }

input, select, textarea {
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid #B9CADB;
  border-radius: 8px;
  padding: 12px 14px;
  width: 100%;
  min-height: 50px;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(99, 212, 78, 0.35);
  background: var(--white);
}

.pick { display: flex; flex-wrap: wrap; gap: 8px; }
.pick label { position: relative; }
.pick input { position: absolute; opacity: 0; width: 1px; height: 1px; min-height: 0; }
.pick span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid #B9CADB;
  border-radius: 99px;
  cursor: pointer;
  font-size: 0.95rem;
  background: var(--paper);
  transition: all 0.15s ease;
}
.pick input:checked + span { background: var(--green); border-color: var(--green); color: var(--white); }
.pick input:focus-visible + span { outline: 3px solid var(--lime); outline-offset: 2px; }

.consent {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--muted);
  align-items: start;
}
.consent input { width: 20px; height: 20px; min-height: 0; margin-top: 2px; accent-color: var(--green); }

.err {
  color: #B3261E;
  font-size: 0.9rem;
  font-weight: 700;
  background: #FDF2F2;
  padding: 10px 14px;
  border-radius: 6px;
  border-left: 4px solid #B3261E;
}

.send { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.result {
  border: 2px dashed var(--line);
  border-radius: 10px;
  padding: 24px;
  display: grid;
  gap: 14px;
  background: var(--paper);
}
.result pre {
  margin: 0;
  white-space: pre-wrap;
  font: 400 0.92rem/1.55 var(--f-body);
  max-height: 280px;
  overflow: auto;
  background: var(--white);
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.result p { color: var(--muted); font-size: 0.95rem; }

.server-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #E8F5E9;
  color: #1B5E20;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid #A5D6A7;
  width: fit-content;
}

/* Kontakt */
.contact {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}
.contact h3 {
  font: 800 0.85rem/1 var(--f-body);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.contact .big { font: 800 1.55rem/1.15 var(--f-body); color: var(--navy); text-decoration: none; font-variant-numeric: tabular-nums; }
.contact .mail { font: 700 1rem/1.3 var(--f-body); color: var(--navy); word-break: break-word; }
.contact p { color: var(--muted); }
.hours { display: grid; grid-template-columns: auto 1fr; gap: 2px 16px; font-variant-numeric: tabular-nums; }
.copy {
  margin-top: 10px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 10px;
  font: 600 0.85rem/1 var(--f-body);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.copy:hover { background: var(--sky); color: var(--navy); }

@media (max-width: 860px) { .contact { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .contact { grid-template-columns: minmax(0, 1fr); } }

footer {
  background: var(--ink);
  color: #C9D6E4;
  padding-block: 36px calc(36px + env(safe-area-inset-bottom, 0px));
  font-size: 0.92rem;
}
.ft { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; }
.ft nav { display: flex; gap: 20px; }
.ft a { color: #C9D6E4; text-decoration: none; }
.ft a:hover { color: var(--white); text-decoration: underline; }

details.legal { margin-top: 24px; border-top: 1px solid #2C4462; padding-top: 16px; }
details.legal summary { cursor: pointer; font-weight: 700; color: var(--white); }
details.legal div { margin-top: 12px; display: grid; gap: 10px; max-width: 70ch; line-height: 1.6; }

.fab {
  position: fixed;
  right: calc(18px + env(safe-area-inset-right, 0px));
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--wa);
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 6px 20px rgba(14, 34, 64, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}
.fab:hover { transform: scale(1.08); box-shadow: 0 8px 24px rgba(14, 34, 64, 0.4); }
.fab svg { width: 30px; height: 30px; }