/* ===== FROST-HVACR — Styles ===== */
:root {
  /* brand */
  --blue-800: #0d47a1;
  --blue-500: #1e88e5;
  --amber-500: #ffb300;

  /* theme tokens (light) */
  --bg: #ffffff;
  --bg-alt: #f6f9fc;
  --surface: #ffffff;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --nav-bg: rgba(255, 255, 255, .85);
  --eyebrow-bg: #e3f2fd;
  --eyebrow-fg: #0d47a1;
  --accent: #1565c0;
  --hero-bg:
    radial-gradient(900px 500px at 85% -10%, rgba(255, 179, 0, .18), transparent 60%),
    radial-gradient(900px 600px at -10% 10%, rgba(30, 136, 229, .22), transparent 55%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 70%);
  --card-border: #e2e8f0;
  --card-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 1px rgba(15, 23, 42, .04);
  --card-shadow-hover: 0 10px 25px -10px rgba(13, 71, 161, .18), 0 4px 10px rgba(15, 23, 42, .06);
  --input-bg: #f8fafc;
  --grad-text: linear-gradient(120deg, #1e88e5, #0d47a1 55%, #ffb300);

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 1px rgba(15, 23, 42, .04);
  --shadow-md: 0 10px 25px -10px rgba(13, 71, 161, .18), 0 4px 10px rgba(15, 23, 42, .06);
  --shadow-lg: 0 30px 60px -20px rgba(13, 71, 161, .25), 0 10px 25px rgba(15, 23, 42, .08);
  --radius: 16px;
}

html[data-theme="dark"] {
  --bg: #0a0f1c;
  --bg-alt: #0e1626;
  --surface: #0f1a2e;
  --ink: #e8eefc;
  --ink-2: #aab7d1;
  --muted: #7a8bab;
  --line: #1d2a45;
  --nav-bg: rgba(10, 15, 28, .75);
  --eyebrow-bg: rgba(30, 136, 229, .15);
  --eyebrow-fg: #90caf9;
  --accent: #64b5f6;
  --hero-bg:
    radial-gradient(900px 500px at 85% -10%, rgba(255, 179, 0, .10), transparent 60%),
    radial-gradient(900px 600px at -10% 10%, rgba(30, 136, 229, .18), transparent 55%),
    linear-gradient(180deg, #0a0f1c 0%, #0a0f1c 70%);
  --card-border: #1d2a45;
  --card-shadow: 0 1px 2px rgba(0, 0, 0, .4);
  --card-shadow-hover: 0 14px 30px -12px rgba(0, 0, 0, .6), 0 4px 10px rgba(0, 0, 0, .3);
  --input-bg: #152138;
  --grad-text: linear-gradient(120deg, #64b5f6, #1e88e5 55%, #ffb300);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  overflow-x: hidden;
  transition: background .3s ease, color .3s ease;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin-inline: auto; }

h1, h2, h3, h4 { font-family: 'Poppins', Inter, sans-serif; color: var(--ink); line-height: 1.15; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.6rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 800; letter-spacing: -.01em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { color: var(--ink-2); margin: 0 0 1em; }

.grad {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.grad-light {
  background: linear-gradient(120deg, #90caf9, #ffd54f);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--eyebrow-fg);
  background: var(--eyebrow-bg); padding: .45rem .8rem; border-radius: 999px; margin-bottom: 1rem;
}
.eyebrow.light { background: rgba(255, 255, 255, .12); color: #bbdefb; }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(10px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
  transition: background .3s ease, border-color .3s ease;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 0; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand-icon { width: 48px; height: 48px; flex: 0 0 48px; object-fit: contain; }
.brand-icon-lg { width: 58px; height: 58px; flex: 0 0 58px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: 'Poppins'; font-weight: 800; color: var(--ink); font-size: 1.1rem; letter-spacing: -.01em; }
html[data-theme="dark"] .brand-name { color: #fff; }
.brand-dash { color: var(--amber-500); }
.brand-sub { font-size: .72rem; color: var(--muted); letter-spacing: .04em; }
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a { color: var(--ink-2); font-weight: 500; font-size: .95rem; position: relative; }
.nav-links a:hover { color: var(--blue-500); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--blue-500);
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-tools { display: flex; align-items: center; gap: .5rem; }
.nav-cta { display: inline-flex; gap: .45rem; align-items: center; }

/* theme + lang buttons */
.icon-btn, .lang-btn {
  background: transparent; border: 1px solid var(--line); color: var(--ink-2);
  height: 38px; border-radius: 10px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
  font-family: inherit; line-height: 1;
}
.icon-btn { width: 38px; padding: 0; }
.lang-btn { padding: 0 .85rem; font-size: .8rem; font-weight: 700; letter-spacing: .02em; gap: .25rem; white-space: nowrap; }
.icon-btn:hover, .lang-btn:hover { border-color: var(--blue-500); color: var(--blue-500); }
.icon-btn .icon-sun { display: none; }
.icon-btn .icon-moon { display: block; }
html[data-theme="dark"] .icon-btn .icon-sun { display: block; }
html[data-theme="dark"] .icon-btn .icon-moon { display: none; }
.lang-btn .lang-active { color: var(--blue-500); }
.lang-btn .lang-inactive { color: var(--muted); }
.lang-btn .lang-sep { margin: 0 .15rem; color: var(--muted); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; justify-content: center;
  padding: .7rem 1.15rem; border-radius: 12px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: .95rem 1.4rem; font-size: 1rem; border-radius: 14px; }
.btn-block { width: 100%; }
.btn-primary {
  color: #fff; background: linear-gradient(135deg, var(--blue-500), var(--blue-800));
  box-shadow: 0 8px 20px -8px rgba(13, 71, 161, .5);
}
.btn-primary:hover { box-shadow: 0 14px 30px -10px rgba(13, 71, 161, .6); }
.btn-ghost {
  color: var(--ink); background: var(--surface); border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { border-color: var(--blue-500); color: var(--blue-500); }
.btn-whatsapp {
  color: #fff; background: linear-gradient(135deg, #25d366, #128c7e);
  box-shadow: 0 10px 25px -10px rgba(18, 140, 126, .55);
}
.btn-whatsapp:hover { box-shadow: 0 16px 35px -10px rgba(18, 140, 126, .7); }

/* ===== HERO ===== */
.hero { position: relative; overflow: hidden; padding: 5rem 0 5.5rem; }
.hero-bg { position: absolute; inset: 0; z-index: -1; background: var(--hero-bg); transition: background .3s ease; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3.5rem; align-items: center; }
.hero-copy .lead { font-size: 1.1rem; max-width: 42ch; }
.hero-ctas { display: flex; gap: .8rem; flex-wrap: wrap; margin: 1.5rem 0 1.8rem; }
.trust { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; color: var(--ink-2); font-size: .92rem; list-style: none; padding: 0; margin: 0; }
.trust-item { display: inline-flex; align-items: center; gap: .35rem; }
.trust-item strong { color: var(--accent); }
.hero-card { position: relative; }
.hero-card-img {
  width: 100%; aspect-ratio: 4 / 5; border-radius: 24px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  border: 6px solid var(--surface);
  transform: rotate(-1.5deg);
  background: var(--surface);
}
.hero-card-badge {
  position: absolute; left: -22px; bottom: 24px;
  background: var(--surface); border-radius: 18px; padding: 1rem 1.1rem;
  display: flex; gap: .8rem; align-items: center;
  box-shadow: var(--shadow-md); border: 1px solid var(--line);
  max-width: calc(100% + 22px);
}
.badge-num { font-family: 'Poppins'; font-weight: 800; font-size: 2rem; color: var(--accent); line-height: 1; }
.badge-text { font-size: .85rem; color: var(--ink-2); line-height: 1.25; }

/* ===== SECTIONS ===== */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); transition: background .3s ease; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section-head p { font-size: 1.05rem; }

/* ===== SERVICES ===== */
.grid { display: grid; gap: 1.2rem; }
.services-grid { grid-template-columns: repeat(3, 1fr); }
.service-group-head,
.services-support {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem;
}
.service-group-head { margin-bottom: 1.2rem; }
.service-group-head h3,
.services-support h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); margin: .35rem 0 0; }
.service-kicker {
  color: var(--accent); font-size: .76rem; line-height: 1.3; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase;
}
.text-link { color: var(--accent); font-weight: 700; white-space: nowrap; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.card {
  background: var(--surface); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--card-shadow);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .3s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); border-color: var(--blue-500); }
.service-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  color: #fff; margin-bottom: 1rem; box-shadow: 0 8px 20px -10px rgba(13, 71, 161, .45);
  background: linear-gradient(135deg,#1e88e5,#0d47a1);
}
.service-icon-warm { background: linear-gradient(135deg,#ffb300,#ef6c00); }
.service-icon-dark { background: linear-gradient(135deg,#455a64,#17202a); }
.service-icon svg { width: 26px; height: 26px; }
.service h3 { margin-bottom: .4rem; }
.service p { font-size: .95rem; margin: 0; }
.service { position: relative; overflow: hidden; }
.service-featured { padding-top: 2.9rem; }
.service-tag {
  position: absolute; top: 0; left: 0; padding: .45rem .8rem;
  border-radius: 0 0 12px 0; background: var(--eyebrow-bg); color: var(--eyebrow-fg);
  font-size: .7rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase;
}
.service-list {
  margin: 1rem 0 0; padding: .9rem 0 0; border-top: 1px solid var(--line);
  list-style: none; display: grid; gap: .35rem;
}
.service-list li { color: var(--muted); font-size: .82rem; }
.service-list li::before { content: "✓"; color: var(--accent); font-weight: 800; margin-right: .45rem; }
.services-support {
  margin-top: 1.5rem; padding: 1.4rem 1.5rem; border: 1px solid var(--line);
  border-radius: var(--radius); background: linear-gradient(135deg, var(--surface), var(--bg-alt));
}
.support-copy { max-width: 360px; }
.support-pills { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: .55rem; }
.support-pills span {
  padding: .55rem .8rem; border-radius: 999px; background: var(--surface);
  border: 1px solid var(--line); color: var(--ink-2); font-size: .82rem; font-weight: 600;
}

/* ===== GALLERY ===== */
.gallery-toolbar {
  display: flex; justify-content: center; flex-wrap: wrap; gap: .55rem; margin: -1rem 0 1.5rem;
}
.gallery-filter {
  appearance: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
  border-radius: 999px; padding: .58rem .9rem; font: inherit; font-size: .82rem; font-weight: 700;
  cursor: pointer; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .15s ease;
}
.gallery-filter:hover { border-color: var(--blue-500); color: var(--accent); transform: translateY(-1px); }
.gallery-filter.is-active { color: #fff; border-color: transparent; background: linear-gradient(135deg,var(--blue-500),var(--blue-800)); }
.gallery { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; gap: 1rem; }
.gallery-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
  isolation: isolate; margin: 0;
}
.gallery-item img,
.gallery-item picture,
.gallery-item video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.gallery-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 37, 64, .85));
  z-index: 1; pointer-events: none;
}
.gallery-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 1rem 1.1rem; color: #fff; z-index: 2;
  pointer-events: none;
}
.gallery-item figcaption strong { display: block; font-weight: 700; font-size: 1rem; margin-bottom: .15rem; }
.gallery-item figcaption span { font-size: .82rem; color: #cfd8dc; }
.gallery-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.gallery-item[hidden] { display: none; }
.gallery-item-featured { grid-column: span 2; grid-row: span 2; }
.gallery-item-tall { grid-row: span 2; }
.gallery-item-wide { grid-column: span 2; }
.gallery-type {
  display: inline-block; margin-bottom: .25rem; color: #90caf9 !important;
  font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.gallery-video::after { background: linear-gradient(180deg, rgba(10,37,64,.75), transparent 42%); }
.gallery-video figcaption { top: 0; bottom: auto; }
.gallery-cta {
  margin-top: 1.5rem; padding: 1.2rem 1.4rem; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: space-between; gap: 1.25rem;
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.gallery-cta p { margin: 0; max-width: 700px; }

/* ===== WHY ===== */
.why-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.5rem; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 1.2rem 0 1.8rem; display: grid; gap: .7rem; }
.check-list li { display: flex; align-items: flex-start; gap: .7rem; color: var(--ink-2); }
.dot {
  flex: 0 0 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, #1e88e5, #0d47a1);
  display: inline-grid; place-items: center; margin-top: 2px;
  box-shadow: 0 4px 10px -4px rgba(13, 71, 161, .45);
}
.dot::after {
  content: ""; width: 8px; height: 4px;
  border: 2px solid #fff; border-top: 0; border-right: 0;
  transform: rotate(-45deg); margin-top: -3px;
}
.stats { display: flex; gap: 1rem; flex-wrap: wrap; }
.stat {
  background: var(--surface); border: 1px solid var(--card-border); border-radius: 14px;
  padding: 1rem 1.2rem; flex: 1; min-width: 140px;
  box-shadow: var(--shadow-sm);
}
.stat strong { display: block; font-family: 'Poppins'; font-size: 1.7rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat span { font-size: .85rem; color: var(--muted); }
.why-visual { position: relative; }
.why-img {
  width: 100%; aspect-ratio: 1 / 1; border-radius: 24px;
  object-fit: cover;
  box-shadow: var(--shadow-lg); border: 6px solid var(--surface);
  background: var(--surface);
}
.float-card {
  position: absolute; right: -12px; bottom: 18px;
  background: var(--surface); border-radius: 16px; padding: 1rem 1.1rem;
  display: flex; gap: .8rem; align-items: flex-start;
  box-shadow: var(--shadow-md); border: 1px solid var(--line);
  max-width: 280px;
}
.float-card-icon {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, #43a047, #1b5e20); flex: 0 0 42px;
}
.float-card strong { display: block; color: var(--ink); font-size: .95rem; margin-bottom: .15rem; }
.float-card p { font-size: .85rem; margin: 0; color: var(--muted); }

/* ===== CONTACT ===== */
.section-contact {
  background:
    radial-gradient(800px 500px at 10% 0%, rgba(255, 179, 0, .15), transparent 60%),
    radial-gradient(900px 500px at 90% 100%, rgba(30, 136, 229, .25), transparent 55%),
    linear-gradient(135deg, #0a2540, #0d47a1 60%, #0a2540);
  color: #e3f2fd;
}
.section-contact h2 { color: #fff; }
.section-contact p { color: #bbdefb; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-items { display: grid; gap: .8rem; margin-top: 1.5rem; }
.contact-item {
  display: flex; gap: .9rem; align-items: center; padding: .85rem 1rem; border-radius: 14px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1);
  transition: background .2s ease, transform .15s ease;
}
.contact-item:hover { background: rgba(255, 255, 255, .1); transform: translateY(-1px); }
.ci-icon {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, #1e88e5, #0d47a1); flex: 0 0 42px;
}
.ci-icon svg { width: 20px; height: 20px; }
.contact-item > div:last-child { min-width: 0; }
.contact-item span { display: block; font-size: .78rem; color: #90caf9; letter-spacing: .05em; text-transform: uppercase; }
.contact-item strong { display: block; color: #fff; font-size: 1rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.contact-form {
  background: var(--surface); color: var(--ink); border-radius: 22px; padding: 1.8rem;
  box-shadow: var(--shadow-lg); border: 1px solid var(--card-border);
}
.contact-form h3 { font-size: 1.3rem; margin-bottom: 1.2rem; }
.field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row .field { margin-bottom: 1rem; }
label { font-size: .82rem; font-weight: 600; color: var(--ink-2); }
input, select, textarea {
  font: inherit; color: var(--ink);
  padding: .8rem .95rem; border: 1px solid var(--line); border-radius: 12px;
  background: var(--input-bg); outline: none;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
input::placeholder, textarea::placeholder { color: var(--muted); }
input:focus, select:focus, textarea:focus {
  border-color: var(--blue-500); background: var(--surface);
  box-shadow: 0 0 0 4px rgba(30, 136, 229, .15);
}
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] {
  border-color: #e53935; box-shadow: 0 0 0 4px rgba(229, 57, 53, .12);
}
textarea { resize: vertical; min-height: 110px; }
.field-error { font-size: .8rem; color: #e53935; margin: .1rem 0 0; font-weight: 500; }
.form-note { font-size: .8rem; color: var(--muted); margin: .7rem 0 0; text-align: center; }

/* ===== FOOTER ===== */
.footer { background: #0a2540; color: #cfd8dc; padding: 3rem 0 1.5rem; }
html[data-theme="dark"] .footer { background: #060b18; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 2fr; gap: 2.5rem; align-items: flex-start; }
.footer-brand { display: flex; gap: .8rem; align-items: flex-start; }
.footer-brand strong { display: block; color: #fff; font-family: 'Poppins'; font-weight: 800; font-size: 1.1rem; }
.footer-brand > div > span { font-size: .85rem; color: #90caf9; }
.social-row { display: flex; gap: .5rem; margin-top: .8rem; }
.social-row a {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .08); color: #fff; border: 1px solid rgba(255, 255, 255, .1);
  transition: background .2s ease, transform .15s ease;
}
.social-row a:hover { background: rgba(255, 255, 255, .15); transform: translateY(-2px); }

.quality-badge {
  display: inline-flex; align-items: center; gap: .55rem;
  margin-top: .9rem; padding: .5rem .85rem; border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 179, 0, .18), rgba(30, 136, 229, .18));
  border: 1px solid rgba(255, 179, 0, .35);
  box-shadow: 0 6px 18px -8px rgba(255, 179, 0, .35);
}
.stars { display: inline-flex; gap: 2px; }
.stars svg { width: 14px; height: 14px; fill: #ffb300; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .25)); }
.quality-text { font-size: .8rem; font-weight: 700; color: #fff; letter-spacing: .02em; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.footer-cols h4 { color: #fff; font-size: .95rem; margin-bottom: .8rem; }
.footer-cols a, .footer-cols span { display: block; font-size: .9rem; color: #b0bec5; padding: .2rem 0; }
.footer-cols a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  margin-top: 2rem; padding-top: 1.2rem;
  font-size: .82rem; color: #78909c; text-align: center;
}

/* ===== Floating WhatsApp ===== */
.float-wa {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff; display: grid; place-items: center;
  box-shadow: 0 16px 30px -10px rgba(18, 140, 126, .6);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .55), 0 16px 30px -10px rgba(18, 140, 126, .6); }
  50%      { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0), 0 16px 30px -10px rgba(18, 140, 126, .6); }
}

/* ===== Accessibility: respect reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .float-wa { animation: none; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  .hero { padding: 3.5rem 0 4rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-card { max-width: 420px; margin-inline: auto; }
  .hero-card-badge { left: 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-support { align-items: flex-start; flex-direction: column; }
  .support-pills { justify-content: flex-start; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 210px; }
  .gallery-item-featured { grid-row: span 1; }
  .gallery-item-tall { grid-row: span 1; }
  .gallery-item-wide { grid-column: span 2; }
  .why-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .why-visual { max-width: 500px; margin-inline: auto; }
  .float-card { right: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .section { padding: 3.5rem 0; }
  .nav-inner { gap: .35rem; }
  .brand { gap: .45rem; min-width: 0; }
  .brand-icon { width: 40px; height: 40px; flex-basis: 40px; }
  .brand-name { font-size: .92rem; }
  .brand-sub { display: none; }
  .nav-tools { gap: .3rem; }
  .lang-btn { padding-inline: .55rem; }
  .services-grid { grid-template-columns: 1fr; }
  .service-group-head { align-items: flex-start; flex-direction: column; }
  .gallery-toolbar { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: .3rem; }
  .gallery-filter { white-space: nowrap; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 250px; }
  .gallery-item-featured,
  .gallery-item-wide { grid-column: span 1; }
  .gallery-cta { align-items: stretch; flex-direction: column; }
  .contact-info,
  .contact-form { min-width: 0; }
  .contact-item strong { white-space: normal; overflow-wrap: anywhere; }
  .row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .nav-cta-text { display: none; }
  .nav-cta { padding: .6rem .8rem; }
  .hero-card-badge { padding: .8rem .9rem; }
  .badge-num { font-size: 1.6rem; }
  .badge-text { font-size: .78rem; }
  .float-card { padding: .85rem .95rem; }
  .contact-form { padding: 1.4rem; }
}