/* Arcatech - Servicios Informáticos */

:root {
  --navy-900: #0a1530;
  --navy-800: #0e1e3f;
  --navy-700: #14264e;
  --navy-600: #1d3567;
  --navy-500: #2a4787;
  --navy-300: #6b85b8;
  --navy-100: #d8e0f0;
  --navy-50: #eef2f9;
  --bg: #f6f7fb;
  --bg-cream: #fbfaf6;
  --ink: #0a1530;
  --ink-soft: #3a4761;
  --ink-mute: #6b7793;
  --line: #e3e7f0;
  --accent: oklch(0.72 0.13 220);   /* cyan tecnológico */
  --accent-warm: oklch(0.78 0.13 60); /* ámbar para CTA secundario */
  --white: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--navy-900);
  line-height: 1.1;
}

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ───── Layout ───── */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ───── Nav ───── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 251, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.nav.scrolled {
  border-bottom-color: var(--line);
  background: rgba(246, 247, 251, 0.95);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 87px; width: auto; display: block; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color .2s;
}
.nav-links a:hover { color: var(--navy-800); }
.nav-cta {
  background: var(--navy-800);
  color: var(--white);
  padding: 11px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: transform .15s, background .2s;
}
.nav-cta:hover { background: var(--navy-700); transform: translateY(-1px); }

.nav-sisgespro {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 8px;
  border-radius: 100px;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  color: var(--navy-800) !important;
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
.nav-sisgespro img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: block;
}
.nav-sisgespro:hover {
  border-color: var(--navy-300);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14, 30, 63, 0.08);
}

.nav-zohomail {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px 7px 10px;
  border-radius: 100px;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  color: var(--navy-800) !important;
  transition: border-color .2s, transform .15s, box-shadow .2s, background .2s;
}
.nav-zohomail svg {
  color: #e05c2e;
  flex-shrink: 0;
}
.nav-zohomail:hover {
  border-color: #e05c2e;
  background: #fff5f2;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(224, 92, 46, 0.15);
}

.menu-btn { display: none; }

/* ───── Hero ───── */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--navy-600);
  background: var(--white);
  padding: 8px 14px;
  border-radius: 100px;
  border: 1px solid var(--line);
  margin-bottom: 28px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: oklch(0.7 0.18 145);
  box-shadow: 0 0 0 4px oklch(0.7 0.18 145 / 0.2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.hero h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  margin-bottom: 22px;
}
.hero h1 .accent {
  color: var(--navy-800);
  position: relative;
  display: inline-block;
}
.hero h1 .underline {
  background: linear-gradient(180deg, transparent 65%, oklch(0.72 0.13 220 / 0.35) 65%);
  padding: 0 4px;
}
.hero p.lead {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.btn-primary {
  background: var(--navy-800);
  color: var(--white);
  padding: 16px 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform .15s, box-shadow .2s, background .2s;
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 4px 14px rgba(14, 30, 63, 0.25);
}
.btn-primary:hover {
  background: var(--navy-900);
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 8px 22px rgba(14, 30, 63, 0.3);
}
.btn-secondary {
  background: var(--white);
  color: var(--navy-800);
  padding: 16px 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  transition: border-color .2s, transform .15s;
}
.btn-secondary:hover { border-color: var(--navy-300); transform: translateY(-2px); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 540px;
}
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 13px;
  color: var(--ink-mute);
  margin-top: 2px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shield-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, oklch(0.72 0.13 220 / 0.18), transparent 60%);
}
.shield-img {
  position: relative;
  width: 75%;
  filter: drop-shadow(0 30px 60px rgba(14, 30, 63, 0.25));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* circuit dots floating */
.circuit-dot {
  position: absolute;
  border-radius: 50%;
  background: var(--navy-800);
}
.circuit-dot::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--navy-300);
  opacity: 0.4;
}
.cd-1 { width: 12px; height: 12px; top: 18%; left: 8%; }
.cd-2 { width: 8px; height: 8px; top: 70%; left: 12%; background: var(--accent); }
.cd-3 { width: 10px; height: 10px; top: 25%; right: 6%; background: var(--accent); }
.cd-4 { width: 14px; height: 14px; bottom: 12%; right: 14%; }

.tag-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(14, 30, 63, 0.08);
}
.tag-card .icon-box {
  width: 32px; height: 32px;
  background: var(--navy-50);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--navy-700);
}
.tag-1 { top: 8%; right: -6%; animation: float 5s ease-in-out infinite; }
.tag-2 { bottom: 12%; left: -8%; animation: float 6.5s ease-in-out 1s infinite; }

/* ───── Section header ───── */
.section { padding: 100px 0; }
.section-cream { background: var(--bg-cream); }
.section-dark {
  background: var(--navy-900);
  color: var(--navy-100);
}
.section-dark h2 { color: var(--white); }

.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 64px;
}
.section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--navy-600);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-eyebrow::before, .section-eyebrow::after {
  content: '';
  width: 24px; height: 1px; background: var(--navy-300);
}
.section-dark .section-eyebrow { color: var(--accent); }
.section-dark .section-eyebrow::before, .section-dark .section-eyebrow::after { background: var(--navy-500); }
.section-head h2 {
  font-size: clamp(32px, 4.2vw, 48px);
  margin-bottom: 16px;
  max-width: 780px;
}
.section-head p {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 620px;
  text-wrap: pretty;
}
.section-dark .section-head p { color: var(--navy-300); }

/* ───── Services ───── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--navy-300);
  box-shadow: 0 20px 40px rgba(14, 30, 63, 0.08);
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: radial-gradient(circle at top right, oklch(0.72 0.13 220 / 0.15), transparent 70%);
  opacity: 0;
  transition: opacity .3s;
}
.service-card:hover::after { opacity: 1; }
.service-icon {
  width: 52px; height: 52px;
  background: var(--navy-50);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--navy-800);
  margin-bottom: 24px;
}
.service-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.55;
}
.service-card .arrow {
  margin-top: 20px;
  color: var(--navy-600);
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s;
}
.service-card:hover .arrow { gap: 10px; }

/* ───── Maintenance — detailed list ───── */
.maint {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.maint-intro h2 { font-size: clamp(32px, 4vw, 44px); margin-bottom: 20px; }
.maint-intro p { font-size: 17px; color: var(--ink-soft); margin-bottom: 28px; }
.maint-callout {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.maint-callout .icon-box {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--navy-50);
  display: grid; place-items: center;
  color: var(--navy-800);
  flex-shrink: 0;
}
.maint-callout strong { display: block; font-size: 14px; color: var(--navy-800); }
.maint-callout span { font-size: 13px; color: var(--ink-mute); }

.maint-list {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.maint-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
  transition: background .2s;
}
.maint-item:last-child { border-bottom: none; }
.maint-item:hover { background: var(--bg-cream); }
.maint-item.has-sub { cursor: pointer; }
.maint-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--navy-300);
  width: 28px;
}
.maint-name { font-size: 16px; font-weight: 500; color: var(--navy-900); }
.maint-desc { font-size: 13px; color: var(--ink-mute); margin-top: 2px; }
.maint-toggle {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--navy-50);
  color: var(--navy-700);
  display: grid; place-items: center;
  transition: transform .25s, background .2s;
}
.maint-item.open .maint-toggle { transform: rotate(45deg); background: var(--navy-800); color: white; }

.maint-sub {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 18px;
  margin-top: 6px;
  border-top: 1px dashed var(--line);
}
.maint-sub-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-cream);
  border-radius: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}
.maint-sub-item svg { color: var(--accent); flex-shrink: 0; }

/* ───── Process ───── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-step {
  position: relative;
  padding: 24px;
}
.process-step::before {
  content: '';
  position: absolute;
  top: 32px; right: -12px;
  width: 24px; height: 1px;
  background: var(--navy-500);
  opacity: 0.4;
}
.process-step:last-child::before { display: none; }
.process-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 18px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}
.process-num .num-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--navy-500);
  display: grid; place-items: center;
  font-size: 13px;
  color: var(--navy-100);
}
.process-step h3 {
  color: white;
  font-size: 20px;
  margin-bottom: 10px;
}
.process-step p {
  font-size: 14px;
  color: var(--navy-300);
  line-height: 1.6;
}

/* ───── About ───── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-cream);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 48px;
}
.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 40%, oklch(0.72 0.13 220 / 0.12), transparent 60%);
}
.about-visual img {
  position: relative;
  width: 72%;
  filter: drop-shadow(0 30px 50px rgba(14, 30, 63, 0.25));
}
.about-visual .grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 75%);
  opacity: 0.6;
}
.about-visual .badge-strip {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 28px rgba(14, 30, 63, 0.08);
}
.about-visual .badge-strip .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: oklch(0.7 0.18 145);
  box-shadow: 0 0 0 4px oklch(0.7 0.18 145 / 0.2);
  flex-shrink: 0;
}
.about-visual .badge-strip strong {
  font-size: 13px;
  color: var(--navy-900);
  display: block;
}
.about-visual .badge-strip span {
  font-size: 12px;
  color: var(--ink-mute);
}

.about-text h2 { font-size: clamp(32px, 4vw, 44px); margin-bottom: 20px; }
.about-text > p {
  font-size: 17px;
  color: var(--ink-soft);
  margin-bottom: 32px;
  text-wrap: pretty;
}
.value-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.value-item {
  display: flex;
  gap: 18px;
}
.value-item .icon-box {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--navy-50);
  color: var(--navy-800);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.value-item strong { display: block; color: var(--navy-900); font-size: 15px; margin-bottom: 4px; }
.value-item span { font-size: 14px; color: var(--ink-mute); }

/* ───── Contact ───── */
.contact-card {
  background: var(--white);
  border-radius: 24px;
  padding: 56px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px rgba(14, 30, 63, 0.06);
}
.contact-info h2 { font-size: clamp(28px, 3.5vw, 36px); margin-bottom: 16px; }
.contact-info p { color: var(--ink-soft); margin-bottom: 32px; }
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.channel {
  display: flex;
  gap: 14px;
  align-items: center;
}
.channel .icon-box {
  width: 40px; height: 40px;
  background: var(--navy-50);
  border-radius: 10px;
  display: grid; place-items: center;
  color: var(--navy-800);
  flex-shrink: 0;
}
.channel small { font-size: 12px; color: var(--ink-mute); display: block; }
.channel span { font-size: 15px; color: var(--navy-900); font-weight: 500; }

.btn-whatsapp-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(37, 211, 102, 0.08);
  border: 1px solid rgba(37, 211, 102, 0.2);
  transition: background .2s, border-color .2s, transform .15s, box-shadow .2s;
  text-decoration: none;
}
.btn-whatsapp-cta:hover {
  background: rgba(37, 211, 102, 0.14);
  border-color: rgba(37, 211, 102, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.15);
}
.btn-whatsapp-cta-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: #25d366;
  display: grid; place-items: center;
  color: #fff;
  flex-shrink: 0;
}
.btn-whatsapp-cta strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: 2px;
}
.btn-whatsapp-cta span {
  font-size: 13px;
  color: var(--ink-mute);
}

.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-cream);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--navy-500);
  background: var(--white);
  box-shadow: 0 0 0 3px oklch(0.72 0.13 220 / 0.15);
}
.form button {
  background: var(--navy-800);
  color: white;
  padding: 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  margin-top: 6px;
  transition: background .2s, transform .15s;
}
.form button:hover { background: var(--navy-900); transform: translateY(-1px); }
.form-success {
  padding: 14px;
  background: oklch(0.95 0.05 145);
  color: oklch(0.4 0.1 145);
  border-radius: 10px;
  font-size: 14px;
  text-align: center;
  font-weight: 500;
}
.form-error {
  padding: 14px;
  background: oklch(0.95 0.05 25);
  color: oklch(0.45 0.15 25);
  border-radius: 10px;
  font-size: 14px;
  text-align: center;
  font-weight: 500;
}
.form button:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* Brevo embedded form */
.brevo-form-wrap {
  width: 100%;
  min-height: 540px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-cream);
  border: 1px solid var(--line);
}
.brevo-form-wrap iframe {
  width: 100%;
  min-height: 540px;
  border: 0;
  display: block;
}

/* ───── Footer ───── */
.footer {
  background: var(--navy-900);
  color: var(--navy-300);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--navy-700);
}
.footer-brand img { height: 50px; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; max-width: 280px; }
.footer h4 {
  color: white;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer ul a {
  font-size: 14px;
  color: var(--navy-300);
  transition: color .2s;
}
.footer ul a:hover { color: white; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

/* ───── Responsive ───── */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .maint, .contact-card { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-step::before { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .menu-btn { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 8px; background: var(--white); border: 1px solid var(--line); color: var(--navy-800); }
  .nav-links.mobile-open {
    display: flex;
    position: absolute;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 24px 32px;
    gap: 18px;
    border-bottom: 1px solid var(--line);
  }
  .nav-zohomail { align-self: flex-start; }
  .hero-visual { max-width: 480px; margin: 0 auto; }
  .contact-card { padding: 32px; }
  .maint-sub { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .container { padding: 0 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .stat-num { font-size: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* ───── WhatsApp Float ───── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: transform .2s, box-shadow .2s;
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.65);
}
.wa-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.35);
  animation: wa-pulse 2s ease-out infinite;
}
@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: .8; }
  100% { transform: scale(1.75); opacity: 0; }
}