/* Cairo is loaded in <head> with preconnect for better performance. */
:root {
  --font-family: "Cairo", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --main-color: #004a8f;
  --main-color-rgb: 0, 74, 143;
  --main-dark: #052747;
  --main-deep: #03182c;
  --main-light: #eaf5ff;
  --accent-color: #12b8d7;
  --accent-color-rgb: 18, 184, 215;
  --dark-color: #000;
  --white-color: #fff;
  --text-color: #18324a;
  --muted-color: #6f8294;
  --surface-color: #f7fbff;
  --border-color: rgba(0, 74, 143, 0.12);
  --success-color: #1eaa6d;
  --danger-color: #d34141;
  --warning-color: #f19b30;
  --glow-purple: 139, 92, 246;
  --glow-cyan: 6, 182, 212;
  --glow-pink: 236, 72, 153;
  --shadow-sm: 0 12px 34px rgba(7, 44, 78, 0.08);
  --shadow-md: 0 24px 70px rgba(7, 44, 78, 0.12);
  --shadow-lg: 0 35px 100px rgba(2, 22, 41, 0.24);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 36px;
  --transition: 0.35s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 95px; }
body {
  position: relative;
  overflow-x: hidden;
  margin: 0;
  font-family: var(--font-family);
  color: var(--text-color);
  background:
    radial-gradient(circle at 5% 8%, rgba(var(--main-color-rgb), .05), transparent 25rem),
    radial-gradient(circle at 95% 48%, rgba(var(--glow-cyan), .055), transparent 28rem),
    #fff;
  line-height: 1.9;
}
body::selection { color: #fff; background: var(--main-color); }
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.35; font-weight: 800; }
p:last-child { margin-bottom: 0; }
:focus-visible { outline: 3px solid rgba(var(--accent-color-rgb), .48); outline-offset: 4px; }

.skip-link {
  position: fixed; top: 12px; right: 12px; z-index: 9999;
  padding: 10px 16px; color: #fff; background: var(--main-color);
  border-radius: 10px; transform: translateY(-150%); transition: transform var(--transition);
}
.skip-link:focus { transform: translateY(0); }

.page-glow {
  position: fixed; z-index: -1; width: 460px; height: 460px;
  pointer-events: none; border-radius: 50%; filter: blur(35px); opacity: .25;
}
.glow-one { top: 8%; right: -280px; background: radial-gradient(circle, rgba(var(--main-color-rgb), .28), transparent 68%); }
.glow-two { top: 46%; left: -290px; background: radial-gradient(circle, rgba(var(--glow-purple), .18), transparent 70%); }
.glow-three { bottom: 3%; right: -290px; background: radial-gradient(circle, rgba(var(--glow-cyan), .2), transparent 70%); }

.section-space { position: relative; padding: 110px 0; }
.soft-section {
  background:
    linear-gradient(180deg, rgba(var(--main-color-rgb), .035), transparent 24%),
    var(--surface-color);
}
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading.text-center { margin-right: auto; margin-left: auto; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 13px;
  color: var(--main-color); font-size: .85rem; font-weight: 800;
}
.kicker::before {
  width: 30px; height: 2px; content: "";
  background: linear-gradient(90deg, var(--main-color), var(--accent-color)); border-radius: 10px;
}
.section-heading h2, .content-card h2 {
  margin-bottom: 18px; color: var(--main-deep); font-size: clamp(1.85rem, 4vw, 3.2rem);
}
.section-heading h2 em { color: var(--main-color); font-style: normal; }
.section-heading p { color: var(--muted-color); font-size: 1.02rem; }
.light-heading h2, .light-heading p { color: #fff; }
.light-heading p { opacity: .78; }
.light-heading .kicker { color: #8bdcf2; }
.light-heading .kicker::before { background: linear-gradient(90deg, #fff, #71d8f1); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px; border: 0; border-radius: 14px;
  font-weight: 800; transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn:hover { transform: translateY(-3px); }
.btn-lg { min-height: 58px; padding: 15px 27px; border-radius: 17px; }
.btn-main {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, var(--main-color), #0069c9 55%, var(--accent-color) 125%);
  box-shadow: 0 16px 38px rgba(var(--main-color-rgb), .24);
}
.btn-main::before {
  position: absolute; top: -50%; left: -35%; width: 30%; height: 200%; content: "";
  background: rgba(255,255,255,.28); transform: rotate(22deg); transition: left .65s ease;
}
.btn-main:hover { color: #fff; box-shadow: 0 22px 46px rgba(var(--main-color-rgb), .33); }
.btn-main:hover::before { left: 120%; }
.btn-soft { color: var(--main-color); background: rgba(var(--main-color-rgb), .07); border: 1px solid rgba(var(--main-color-rgb), .13); }
.btn-soft:hover { color: var(--main-color); background: rgba(var(--main-color-rgb), .12); }

.site-header { z-index: 1030; padding: 12px 0; transition: .35s ease; }
.site-header.scrolled {
  padding: 4px 0; background: rgba(255,255,255,.9); box-shadow: 0 12px 35px rgba(2,33,61,.08); backdrop-filter: blur(18px);
}
.navbar { padding: 0; }
.navbar-brand img { width: 155px; object-fit: contain; }
.navbar-nav { gap: 4px; }
.nav-link {
  position: relative; padding: 10px 12px !important; color: #355068; font-size: .88rem; font-weight: 700;
}
.nav-link::after {
  position: absolute; right: 50%; bottom: 2px; width: 0; height: 2px; content: "";
  background: linear-gradient(90deg, var(--main-color), var(--accent-color)); border-radius: 10px;
  transform: translateX(50%); transition: width var(--transition);
}
.nav-link:hover, .nav-link:focus { color: var(--main-color); }
.nav-link:hover::after, .nav-link:focus::after { width: 60%; }
.navbar-toggler { display: grid; gap: 5px; padding: 9px; border: 1px solid var(--border-color); border-radius: 12px; box-shadow: none !important; }
.navbar-toggler i { display: block; width: 24px; height: 2px; background: var(--main-color); border-radius: 10px; }
.mobile-head-call { gap: 8px; padding: 9px 13px; color: #fff; background: var(--main-color); border-radius: 12px; font-size: .83rem; }
.mobile-head-call:hover { color: #fff; }
.mobile-head-call span { width: 9px; height: 9px; background: #5bf19a; border-radius: 50%; box-shadow: 0 0 0 5px rgba(91,241,154,.15); animation: statusPulse 1.8s infinite; }

.hero-section {
  position: relative; isolation: isolate; min-height: 840px; padding: 180px 0 130px; overflow: hidden;
  background:
    radial-gradient(circle at 78% 30%, rgba(var(--main-color-rgb), .2), transparent 23rem),
    radial-gradient(circle at 95% 80%, rgba(var(--glow-purple), .12), transparent 24rem),
    linear-gradient(135deg, #f8fcff, #fff 45%, #eef7ff);
}
.hero-section::before {
  position: absolute; inset: 0; z-index: -2; content: "";
  background:
    radial-gradient(circle at 18% 10%, rgba(var(--glow-cyan), .1), transparent 20rem),
    radial-gradient(circle at 70% 95%, rgba(var(--glow-pink), .055), transparent 24rem);
}
.grid-bg {
  position: absolute; inset: 0; z-index: -1; opacity: .25;
  background-image:
    linear-gradient(rgba(var(--main-color-rgb), .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--main-color-rgb), .08) 1px, transparent 1px);
  background-size: 52px 52px; mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 70%, transparent);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; margin-bottom: 21px; padding: 8px 14px;
  color: var(--main-color); background: rgba(255,255,255,.72); border: 1px solid rgba(var(--main-color-rgb), .12);
  border-radius: 999px; box-shadow: var(--shadow-sm); backdrop-filter: blur(10px); font-size: .87rem; font-weight: 800;
}
.eyebrow b { display: grid; width: 25px; height: 25px; place-items: center; color: #fff; background: linear-gradient(135deg, var(--main-color), var(--accent-color)); border-radius: 50%; }
.hero-content h1 { max-width: 800px; margin-bottom: 24px; color: var(--main-deep); font-size: clamp(2.25rem, 6vw, 5.4rem); letter-spacing: -.035em; }
.hero-content h1 span { display: block; color: transparent; background: linear-gradient(90deg, var(--main-color), #0087d7, var(--accent-color)); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 760px; margin-bottom: 31px; color: #496277; font-size: clamp(1rem, 1.8vw, 1.17rem); }
.hero-lead strong { color: var(--main-color); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 34px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-trust > div {
  display: flex; align-items: center; gap: 10px; min-width: 165px; padding: 10px 14px;
  background: rgba(255,255,255,.72); border: 1px solid rgba(var(--main-color-rgb), .1); border-radius: 15px;
  box-shadow: 0 10px 30px rgba(4,47,83,.055); backdrop-filter: blur(8px);
}
.hero-trust b { color: rgba(var(--main-color-rgb), .45); font-size: .72rem; }
.hero-trust span { color: #274158; font-size: .78rem; font-weight: 800; }
.hero-visual { position: relative; display: grid; min-height: 500px; place-items: center; }
.hero-card {
  position: relative; z-index: 3; width: min(390px, 90%); padding: 68px 38px 42px; overflow: hidden;
  color: #fff; text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(255,255,255,.18), transparent 50%), linear-gradient(145deg, #06396a, var(--main-color) 55%, #0877be 120%);
  border: 1px solid rgba(255,255,255,.19); border-radius: 42px; box-shadow: var(--shadow-lg); transform: rotate(-2deg);
}
.hero-card::after { position: absolute; right: -80px; bottom: -120px; width: 280px; height: 280px; content: ""; background: radial-gradient(circle, rgba(var(--glow-cyan), .55), transparent 67%); border-radius: 50%; filter: blur(10px); }
.hero-card img { position: relative; z-index: 2; width: 230px; margin-bottom: 30px; object-fit: contain; }
.hero-card p { position: relative; z-index: 2; margin-bottom: 15px; color: rgba(255,255,255,.77); font-size: .9rem; }
.hero-card > a { position: relative; z-index: 2; display: block; color: #fff; font-size: clamp(3rem, 8vw, 5.2rem); font-weight: 900; line-height: 1; letter-spacing: .04em; text-shadow: 0 14px 35px rgba(1,20,37,.28); }
.hero-card-glow { position: absolute; top: -140px; right: 50%; width: 390px; height: 390px; background: radial-gradient(circle, rgba(255,255,255,.23), transparent 67%); border-radius: 50%; transform: translateX(50%); }
.orbit { position: absolute; border: 1px solid rgba(var(--main-color-rgb), .14); border-radius: 50%; }
.orbit-one { width: 470px; height: 470px; animation: orbitSpin 22s linear infinite; }
.orbit-two { width: 570px; height: 570px; border-style: dashed; animation: orbitSpin 32s linear infinite reverse; }
.float-card {
  position: absolute; z-index: 4; display: flex; align-items: center; gap: 11px; min-width: 175px; padding: 12px 15px;
  background: rgba(255,255,255,.84); border: 1px solid rgba(var(--main-color-rgb), .12); border-radius: 18px;
  box-shadow: 0 18px 50px rgba(3,39,70,.14); backdrop-filter: blur(14px);
}
.float-card b { display: grid; flex: 0 0 39px; width: 39px; height: 39px; place-items: center; color: #fff; background: linear-gradient(135deg, var(--main-color), var(--accent-color)); border-radius: 12px; font-size: .75rem; }
.float-card span, .float-card small { display: block; }
.float-card span { color: var(--main-deep); font-size: .78rem; font-weight: 800; }
.float-card small { margin-bottom: 2px; color: var(--muted-color); font-size: .64rem; }
.gas-card { top: 8%; right: -4%; animation: floatCard 5s ease-in-out infinite; }
.elec-card { right: -5%; bottom: 7%; animation: floatCard 5.8s ease-in-out .4s infinite; }
.warranty-card { bottom: 20%; left: -8%; animation: floatCard 6.4s ease-in-out .8s infinite; }
.hero-wave { position: absolute; right: -5%; bottom: -105px; left: -5%; height: 190px; background: #fff; border-radius: 50% 50% 0 0 / 100% 100% 0 0; }
.trust-bar { position: relative; z-index: 5; margin-top: -82px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; background: rgba(255,255,255,.92); border: 1px solid rgba(var(--main-color-rgb), .1); border-radius: 24px; box-shadow: var(--shadow-md); backdrop-filter: blur(14px); }
.trust-grid > div { position: relative; padding: 25px 22px; text-align: center; }
.trust-grid > div:not(:last-child)::after { position: absolute; top: 25%; left: 0; width: 1px; height: 50%; content: ""; background: linear-gradient(transparent, rgba(var(--main-color-rgb), .18), transparent); }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { margin-bottom: 5px; color: var(--main-color); font-size: 1.02rem; font-weight: 900; }
.trust-grid span { color: var(--muted-color); font-size: .75rem; }

.inline-call { display: inline-flex; align-items: center; gap: 10px; margin-top: 12px; padding: 13px 17px; color: var(--main-color); background: rgba(var(--main-color-rgb), .065); border: 1px solid rgba(var(--main-color-rgb), .12); border-radius: 14px; font-size: .88rem; }
.inline-call:hover { color: var(--main-color); background: rgba(var(--main-color-rgb), .1); }
.service-card { position: relative; isolation: isolate; min-height: 100%; padding: 43px; overflow: hidden; color: #fff; background: linear-gradient(145deg, var(--main-deep), #063d70 62%, #0066a8); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.service-card::before { position: absolute; top: -90px; left: -90px; z-index: -1; width: 280px; height: 280px; content: ""; background: radial-gradient(circle, rgba(var(--glow-purple), .22), transparent 68%); border-radius: 50%; }
.service-card::after { position: absolute; right: -100px; bottom: -130px; z-index: -1; width: 340px; height: 340px; content: ""; background: radial-gradient(circle, rgba(var(--glow-cyan), .42), transparent 68%); border-radius: 50%; }
.service-card > span { display: inline-block; margin-bottom: 18px; padding: 7px 12px; color: #c6f7ff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 999px; font-size: .75rem; font-weight: 800; }
.service-card h3 { margin-bottom: 20px; font-size: clamp(1.65rem, 3vw, 2.55rem); }
.service-card p { color: rgba(255,255,255,.74); }
.service-checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 25px; }
.service-checks i { position: relative; padding: 11px 37px 11px 12px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: 13px; font-size: .78rem; font-style: normal; font-weight: 700; }
.service-checks i::before { position: absolute; top: 50%; right: 12px; display: grid; width: 18px; height: 18px; content: "✓"; place-items: center; color: var(--main-deep); background: #6fe6be; border-radius: 50%; transform: translateY(-50%); font-size: .68rem; font-weight: 900; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { position: relative; min-height: 245px; padding: 30px; overflow: hidden; background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: .35s ease; }
.feature-card::after { position: absolute; top: -95px; left: -95px; width: 190px; height: 190px; content: ""; background: radial-gradient(circle, rgba(var(--main-color-rgb), .1), transparent 68%); border-radius: 50%; transition: transform var(--transition); }
.feature-card:hover { border-color: rgba(var(--main-color-rgb), .22); box-shadow: var(--shadow-md); transform: translateY(-8px); }
.feature-card:hover::after { transform: scale(1.3); }
.feature-card > b { position: absolute; top: 22px; left: 22px; color: rgba(var(--main-color-rgb), .2); font-size: .78rem; }
.feature-card > i { display: grid; width: 54px; height: 54px; margin-bottom: 23px; place-items: center; color: #fff; background: linear-gradient(135deg, var(--main-color), var(--accent-color)); border-radius: 17px; box-shadow: 0 12px 28px rgba(var(--main-color-rgb), .23); font-style: normal; font-weight: 900; }
.feature-card h3 { margin-bottom: 11px; color: var(--main-deep); font-size: 1.1rem; }
.feature-card p { color: var(--muted-color); font-size: .88rem; }
.center-cta { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 35px; padding: 22px; background: linear-gradient(90deg, rgba(var(--main-color-rgb), .04), rgba(var(--accent-color-rgb), .06)); border: 1px dashed rgba(var(--main-color-rgb), .2); border-radius: 20px; }
.center-cta p { margin: 0; color: var(--main-deep); font-weight: 800; }

.model-card { position: relative; min-height: 100%; padding: 36px; overflow: hidden; background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.model-card::before { position: absolute; top: -130px; left: -130px; width: 300px; height: 300px; content: ""; border-radius: 50%; }
.gas-model::before { background: radial-gradient(circle, rgba(241,155,48,.2), transparent 68%); }
.electric-model::before { background: radial-gradient(circle, rgba(var(--glow-cyan), .18), transparent 68%); }
.model-head { position: relative; display: flex; align-items: center; gap: 17px; margin-bottom: 22px; }
.model-head > b { display: grid; flex: 0 0 66px; width: 66px; height: 66px; place-items: center; color: #fff; border-radius: 20px; font-size: .69rem; }
.gas-model .model-head > b { background: linear-gradient(135deg, #df7c1d, #f5b44a); box-shadow: 0 14px 30px rgba(223,124,29,.25); }
.electric-model .model-head > b { background: linear-gradient(135deg, var(--main-color), var(--accent-color)); box-shadow: 0 14px 30px rgba(var(--main-color-rgb), .23); }
.model-head span { color: var(--muted-color); font-size: .72rem; font-weight: 800; }
.model-head h3 { margin: 3px 0 0; color: var(--main-deep); font-size: 1.35rem; }
.model-card > p { position: relative; color: var(--muted-color); font-size: .9rem; }
.tags { position: relative; display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 22px 0; list-style: none; }
.tags li { padding: 8px 13px; color: var(--main-color); background: rgba(var(--main-color-rgb), .06); border: 1px solid rgba(var(--main-color-rgb), .1); border-radius: 999px; font-size: .76rem; font-weight: 800; }
.gas-model .tags li { color: #b75d13; background: rgba(241,155,48,.08); border-color: rgba(241,155,48,.16); }
.model-card > a { position: relative; color: var(--main-color); font-size: .85rem; font-weight: 900; }
.model-card > a:hover { color: var(--accent-color); }

.dark-faults { position: relative; isolation: isolate; overflow: hidden; color: #fff; background: radial-gradient(circle at 80% 20%, rgba(241,155,48,.14), transparent 27rem), linear-gradient(145deg, #041b30, #052d51 55%, #063d66); }
.dark-faults::before { position: absolute; inset: 0; z-index: -2; content: ""; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px); background-size: 58px 58px; mask-image: radial-gradient(circle at center, #000 30%, transparent 85%); }
.dark-glow { position: absolute; top: 20%; left: -260px; z-index: -1; width: 560px; height: 560px; background: radial-gradient(circle, rgba(var(--glow-purple), .24), transparent 68%); border-radius: 50%; filter: blur(10px); }
.fault-accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: rgba(255,255,255,.12); --bs-accordion-btn-focus-box-shadow: none; --bs-accordion-active-bg: rgba(255,255,255,.08); --bs-accordion-active-color: #fff; display: grid; gap: 16px; }
.fault-accordion .accordion-item { overflow: hidden; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.11); border-radius: 22px; backdrop-filter: blur(10px); }
.fault-accordion .accordion-button { gap: 16px; padding: 22px 24px; color: #fff; background: transparent; font-size: clamp(.95rem, 1.7vw, 1.1rem); font-weight: 800; }
.fault-accordion .accordion-button:not(.collapsed) { color: #fff; background: rgba(255,255,255,.07); box-shadow: none; }
.fault-accordion .accordion-button::after { filter: brightness(0) invert(1); }
.fault-accordion .accordion-button > b { display: grid; flex: 0 0 42px; width: 42px; height: 42px; place-items: center; color: #fff; background: linear-gradient(135deg, #df7c1d, #f5b44a); border-radius: 13px; font-size: .76rem; }
.fault-accordion .accordion-body { padding: 22px; border-top: 1px solid rgba(255,255,255,.09); }
.fault-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.fault-grid article { padding: 22px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.08); border-radius: 18px; }
.fault-grid article > span { display: inline-flex; margin-bottom: 13px; padding: 6px 10px; color: #dff8ff; background: rgba(var(--glow-cyan), .13); border: 1px solid rgba(var(--glow-cyan), .2); border-radius: 999px; font-size: .7rem; font-weight: 900; }
.fault-grid p, .fault-grid li { color: rgba(255,255,255,.73); font-size: .86rem; }
.fault-grid p { margin-bottom: 12px; }
.fault-grid p:last-child { margin-bottom: 0; }
.fault-grid ul { padding-right: 18px; margin-bottom: 12px; }
.fault-grid li { margin-bottom: 7px; }
.fault-grid .danger { border-color: rgba(255,104,104,.16); background: rgba(211,65,65,.08); }
.fault-grid .danger > span { color: #ffd9d9; background: rgba(211,65,65,.13); border-color: rgba(211,65,65,.2); }
.fault-grid .advice { border-color: rgba(111,230,190,.14); background: rgba(30,170,109,.07); }
.fault-grid .advice > span { color: #dcfff2; background: rgba(30,170,109,.13); border-color: rgba(30,170,109,.2); }
.fault-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 34px; padding: 31px; background: radial-gradient(circle at 10% 0%, rgba(255,255,255,.11), transparent 16rem), linear-gradient(135deg, rgba(223,124,29,.25), rgba(255,255,255,.07)); border: 1px solid rgba(255,255,255,.12); border-radius: 25px; }
.fault-cta span { color: #ffd294; font-size: .75rem; font-weight: 800; }
.fault-cta h3 { margin: 5px 0 8px; color: #fff; font-size: 1.55rem; }
.fault-cta p { max-width: 710px; color: rgba(255,255,255,.69); font-size: .87rem; }

.light-accordion { --bs-accordion-border-color: var(--border-color); }
.light-accordion .accordion-item { background: #fff; border-color: var(--border-color); box-shadow: var(--shadow-sm); backdrop-filter: none; }
.light-accordion .accordion-button, .light-accordion .accordion-button:not(.collapsed) { color: var(--main-deep); }
.light-accordion .accordion-button:not(.collapsed) { background: linear-gradient(90deg, rgba(var(--main-color-rgb), .055), rgba(var(--accent-color-rgb), .045)); }
.light-accordion .accordion-button::after { filter: none; }
.light-accordion .accordion-button > b { background: linear-gradient(135deg, var(--main-color), var(--accent-color)); }
.light-accordion .accordion-body { border-color: var(--border-color); }
.light-accordion .fault-grid article { background: #f9fcff; border-color: var(--border-color); }
.light-accordion .fault-grid p, .light-accordion .fault-grid li { color: var(--muted-color); }
.light-accordion .fault-grid article > span { color: var(--main-color); background: rgba(var(--main-color-rgb), .07); border-color: rgba(var(--main-color-rgb), .12); }
.light-accordion .fault-grid .danger { background: rgba(211,65,65,.045); border-color: rgba(211,65,65,.1); }
.light-accordion .fault-grid .danger > span { color: #b73535; background: rgba(211,65,65,.07); border-color: rgba(211,65,65,.12); }
.light-accordion .fault-grid .advice { background: rgba(30,170,109,.045); border-color: rgba(30,170,109,.1); }
.light-accordion .fault-grid .advice > span { color: #188657; background: rgba(30,170,109,.07); border-color: rgba(30,170,109,.12); }
.safety-box { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 20px; margin-top: 32px; padding: 25px; background: radial-gradient(circle at 0 0, rgba(211,65,65,.12), transparent 13rem), #fff; border: 1px solid rgba(211,65,65,.14); border-radius: 22px; box-shadow: var(--shadow-sm); }
.safety-box > b { display: grid; width: 55px; height: 55px; place-items: center; color: #fff; background: linear-gradient(135deg, #b73333, #ed6c6c); border-radius: 17px; font-size: 1.5rem; }
.safety-box h3 { margin-bottom: 5px; color: var(--main-deep); font-size: 1.2rem; }
.safety-box p { color: var(--muted-color); font-size: .85rem; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step-card { position: relative; min-height: 215px; padding: 28px; background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: .35s ease; }
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-7px); }
.step-card > b { display: grid; width: 49px; height: 49px; margin-bottom: 24px; place-items: center; color: #fff; background: linear-gradient(135deg, var(--main-color), var(--accent-color)); border: 5px solid #fff; border-radius: 16px; box-shadow: 0 10px 25px rgba(var(--main-color-rgb), .22); font-size: .75rem; }
.step-card h3 { margin-bottom: 10px; color: var(--main-deep); font-size: 1rem; }
.step-card p { color: var(--muted-color); font-size: .82rem; }

.content-card { position: relative; min-height: 100%; padding: 38px; overflow: hidden; background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.content-card::after { position: absolute; left: -110px; bottom: -130px; width: 300px; height: 300px; content: ""; background: radial-gradient(circle, rgba(var(--glow-cyan), .13), transparent 68%); border-radius: 50%; pointer-events: none; }
.maintenance-card::after { background: radial-gradient(circle, rgba(30,170,109,.12), transparent 68%); }
.content-card h2 { font-size: clamp(1.65rem, 3vw, 2.3rem); }
.content-card > p { position: relative; color: var(--muted-color); font-size: .9rem; }
.check-list { position: relative; display: grid; gap: 10px; padding: 0; margin: 25px 0 0; list-style: none; }
.check-list.two-cols { grid-template-columns: repeat(2, 1fr); }
.check-list li { position: relative; padding: 11px 37px 11px 12px; color: #345169; background: #f7fbff; border: 1px solid rgba(var(--main-color-rgb), .08); border-radius: 13px; font-size: .78rem; font-weight: 700; }
.check-list li::before { position: absolute; top: 50%; right: 12px; display: grid; width: 18px; height: 18px; content: "✓"; place-items: center; color: #fff; background: var(--main-color); border-radius: 50%; transform: translateY(-50%); font-size: .65rem; }
.maintenance-card .check-list li::before { background: var(--success-color); }

.coverage-section { position: relative; isolation: isolate; padding: 78px 0; overflow: hidden; background: radial-gradient(circle at 20% 20%, rgba(var(--glow-purple), .17), transparent 22rem), linear-gradient(130deg, var(--main-deep), var(--main-color) 65%, #087ab3); }
.coverage-section::before { position: absolute; inset: 0; z-index: -2; content: ""; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px); background-size: 45px 45px; }
.coverage-glow { position: absolute; right: -180px; bottom: -280px; z-index: -1; width: 550px; height: 550px; background: radial-gradient(circle, rgba(var(--glow-cyan), .47), transparent 68%); border-radius: 50%; }
.coverage-number { padding: 25px; color: #fff; text-align: center; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14); border-radius: 22px; backdrop-filter: blur(14px); }
.coverage-number span, .coverage-number small { display: block; }
.coverage-number span { color: rgba(255,255,255,.65); font-size: .77rem; font-weight: 700; }
.coverage-number a { display: block; margin: 8px 0; color: #fff; font-size: clamp(3rem, 6vw, 5rem); font-weight: 900; line-height: 1; letter-spacing: .04em; }
.coverage-number small { color: #cbeffd; font-size: .74rem; }


/* Heater Images Showcase */
.heater-showcase {
  position: relative;
  z-index: 4;
  padding: 88px 0 54px;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(var(--main-color-rgb), 0.1), transparent 22rem),
    radial-gradient(circle at 92% 76%, rgba(var(--glow-cyan), 0.11), transparent 25rem),
    #fff;
}
.heater-showcase::before {
  position: absolute;
  top: 0;
  right: 7%;
  left: 7%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(var(--main-color-rgb), 0.18), transparent);
}
.showcase-heading {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}
.showcase-heading h2 {
  margin-bottom: 14px;
  color: var(--main-deep);
  font-size: clamp(1.8rem, 4vw, 3rem);
}
.showcase-heading p {
  margin: 0;
  color: var(--muted-color);
  font-size: 1rem;
}
.showcase-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(300px, 0.84fr);
  gap: 22px;
  align-items: stretch;
}
.showcase-products {
  display: grid;
  grid-template-rows: 1fr 0.72fr;
  gap: 22px;
  min-width: 0;
}
.showcase-card {
  position: relative;
  min-height: 290px;
  margin: 0;
  overflow: hidden;
  background: #eef6fc;
  border: 1px solid rgba(var(--main-color-rgb), 0.12);
  border-radius: 28px;
  box-shadow: var(--shadow-md);
  isolation: isolate;
}
.showcase-card::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(to top, rgba(2, 22, 40, 0.82), transparent 48%);
  pointer-events: none;
}
.showcase-card img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.showcase-card:hover img {
  transform: scale(1.035);
}
.showcase-card--technician {
  min-height: 665px;
}
.showcase-card--technician img {
  object-position: center 25%;
}
.showcase-products .showcase-card:first-child img {
  object-fit: contain;
  padding: 20px;
  background: linear-gradient(145deg, #fff, #eef6fc);
}
.showcase-card--compact img {
  object-fit: contain;
  padding: 14px;
  background: #fff;
}
.showcase-card figcaption {
  position: absolute;
  right: 22px;
  bottom: 20px;
  left: 22px;
  z-index: 2;
  color: #fff;
}
.showcase-card figcaption span,
.showcase-card figcaption strong {
  display: block;
}
.showcase-card figcaption span {
  margin-bottom: 4px;
  color: #9eeaff;
  font-size: 0.75rem;
  font-weight: 800;
}
.showcase-card figcaption strong {
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  line-height: 1.5;
}

/* Fast Answer & Review Signals */
.quick-answer {
  margin-top: 18px;
  padding: 18px 20px;
  background: linear-gradient(135deg, rgba(var(--main-color-rgb), 0.065), rgba(var(--accent-color-rgb), 0.07));
  border: 1px solid rgba(var(--main-color-rgb), 0.12);
  border-radius: 17px;
}
.quick-answer > strong {
  display: inline-block;
  margin-bottom: 7px;
  color: var(--main-color);
  font-size: 0.8rem;
}
.quick-answer p {
  margin: 0;
  color: #36536b;
  font-size: 0.94rem;
}
.content-review {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 13px;
}
.content-review span {
  padding: 7px 11px;
  color: #537087;
  background: #f7fbff;
  border: 1px solid rgba(var(--main-color-rgb), 0.09);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
}

/* Contact Numbers */
.contact-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 6% 8%, rgba(var(--glow-purple), 0.08), transparent 22rem),
    radial-gradient(circle at 96% 92%, rgba(var(--glow-cyan), 0.1), transparent 24rem),
    var(--surface-color);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.contact-card {
  position: relative;
  min-width: 0;
  padding: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.contact-card::after {
  position: absolute;
  top: -95px;
  left: -95px;
  width: 210px;
  height: 210px;
  content: "";
  background: radial-gradient(circle, rgba(var(--main-color-rgb), 0.1), transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}
.contact-card:hover {
  border-color: rgba(var(--main-color-rgb), 0.22);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}
.contact-card--whatsapp {
  border-color: rgba(26, 173, 93, 0.18);
  background: linear-gradient(145deg, #fff, #f3fff8);
}
.contact-card--whatsapp::after {
  background: radial-gradient(circle, rgba(26, 173, 93, 0.13), transparent 68%);
}
.contact-card-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-icon {
  display: grid;
  flex: 0 0 54px;
  width: 54px;
  height: 54px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--main-color), var(--accent-color));
  border-radius: 17px;
  box-shadow: 0 12px 28px rgba(var(--main-color-rgb), 0.2);
  font-size: 0.66rem;
  font-weight: 900;
  direction: ltr;
}
.contact-card--whatsapp .contact-icon {
  background: linear-gradient(135deg, #148a4a, #27c56f);
  box-shadow: 0 12px 28px rgba(26, 173, 93, 0.2);
}
.contact-card-head h3 {
  margin-bottom: 3px;
  color: var(--main-deep);
  font-size: 1.08rem;
}
.contact-card-head p {
  margin: 0;
  color: var(--muted-color);
  font-size: 0.78rem;
}
.contact-main-number {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 100%;
  margin: 5px 0 20px;
  overflow: hidden;
  color: var(--main-color);
  font-size: clamp(2rem, 5.4vw, 3.7rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.015em;
  text-align: center;
  direction: ltr;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.contact-card--whatsapp .contact-main-number {
  color: #16894b;
  font-size: clamp(1.65rem, 4.3vw, 3rem);
}
.contact-main-number:hover {
  color: var(--accent-color);
}
.contact-number-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 9px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.contact-number-list li {
  min-width: 0;
}
.contact-number-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
  padding: 12px 14px;
  color: #37536a;
  background: #f8fbfe;
  border: 1px solid rgba(var(--main-color-rgb), 0.085);
  border-radius: 13px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.contact-number-list a:hover {
  color: var(--main-color);
  background: rgba(var(--main-color-rgb), 0.055);
  border-color: rgba(var(--main-color-rgb), 0.16);
  transform: translateX(-3px);
}
.contact-number-list span {
  min-width: 0;
  color: var(--muted-color);
  font-size: 0.73rem;
}
.contact-number-list strong {
  flex: 0 0 auto;
  color: var(--main-deep);
  font-size: clamp(0.9rem, 2.2vw, 1.08rem);
  font-weight: 900;
  direction: ltr;
  white-space: nowrap;
}
.btn-whatsapp {
  width: 100%;
  color: #fff;
  background: linear-gradient(135deg, #148a4a, #25ba68);
  box-shadow: 0 14px 32px rgba(26, 173, 93, 0.2);
}
.btn-whatsapp:hover {
  color: #fff;
  box-shadow: 0 18px 40px rgba(26, 173, 93, 0.28);
}
.footer-contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 12px;
  margin-top: 14px !important;
}
.footer-contact-list li {
  min-width: 0;
  margin: 0 !important;
}
.footer-contact-list a {
  display: block;
  overflow: hidden;
  direction: ltr;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mobile-call-bar {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
}
.mobile-call-bar > a {
  min-width: 0;
  padding: 9px 12px;
}
.mobile-call-bar .whatsapp-action {
  background:
    radial-gradient(circle at 15% 0, rgba(255,255,255,.18), transparent 9rem),
    linear-gradient(135deg, #148a4a, #25ba68);
}
.mobile-call-bar strong {
  overflow: hidden;
  font-size: clamp(0.92rem, 3.4vw, 1.14rem);
  direction: ltr;
  white-space: nowrap;
  text-overflow: ellipsis;
}


.faq-layout { display: grid; grid-template-columns: 315px 1fr; gap: 25px; align-items: start; }
.faq-side { position: sticky; top: 110px; padding: 34px; overflow: hidden; color: #fff; background: radial-gradient(circle at 100% 0, rgba(var(--glow-cyan), .3), transparent 14rem), linear-gradient(145deg, var(--main-deep), var(--main-color)); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.faq-side::after { position: absolute; left: -100px; bottom: -100px; width: 250px; height: 250px; content: ""; background: radial-gradient(circle, rgba(var(--glow-purple), .24), transparent 68%); border-radius: 50%; }
.faq-side > b { position: relative; z-index: 1; display: inline-block; margin-bottom: 24px; color: #fff; font-size: 3.3rem; line-height: 1; }
.faq-side h3, .faq-side p, .faq-side .btn { position: relative; z-index: 1; }
.faq-side h3 { margin-bottom: 12px; font-size: 1.35rem; }
.faq-side p { margin-bottom: 24px; color: rgba(255,255,255,.7); font-size: .85rem; }
.faq-side .btn-main { background: #fff; color: var(--main-color); box-shadow: none; }
.faq-side .btn-main:hover { color: var(--main-color); }
.faq-accordion { display: grid; gap: 13px; }
.faq-accordion .accordion-item { overflow: hidden; background: #fff; border: 1px solid var(--border-color); border-radius: 18px; box-shadow: var(--shadow-sm); }
.faq-accordion .accordion-button { padding: 20px 22px; color: var(--main-deep); background: #fff; font-size: .92rem; font-weight: 800; box-shadow: none; }
.faq-accordion .accordion-button:not(.collapsed) { color: var(--main-color); background: rgba(var(--main-color-rgb), .045); }
.faq-accordion .accordion-body { padding: 20px 22px; color: var(--muted-color); border-top: 1px solid var(--border-color); font-size: .88rem; }

.final-cta { position: relative; isolation: isolate; padding: 105px 0; overflow: hidden; color: #fff; text-align: center; background: radial-gradient(circle at 15% 0, rgba(var(--glow-purple), .25), transparent 24rem), radial-gradient(circle at 90% 80%, rgba(var(--glow-cyan), .35), transparent 26rem), linear-gradient(145deg, #021523, var(--main-deep) 45%, var(--main-color)); }
.final-content { max-width: 850px; margin: 0 auto; }
.final-cta .kicker { color: #9ae9f7; }
.final-cta h2 { margin-bottom: 17px; font-size: clamp(2rem, 5vw, 4.2rem); }
.final-cta p { max-width: 720px; margin: 0 auto 28px; color: rgba(255,255,255,.7); }
.final-trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin-bottom: 30px; }
.final-trust span { padding: 9px 13px; color: #e4fbff; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: 999px; font-size: .75rem; font-weight: 700; }
.final-phone { display: inline-flex; min-width: 270px; flex-direction: column; padding: 17px 34px; color: var(--main-deep); background: #fff; border-radius: 21px; box-shadow: 0 24px 70px rgba(0,0,0,.25); transition: .35s ease; }
.final-phone:hover { color: var(--main-deep); transform: translateY(-5px) scale(1.02); }
.final-phone small { color: var(--muted-color); font-size: .75rem; font-weight: 700; }
.final-phone strong { color: var(--main-color); font-size: 3rem; line-height: 1.15; letter-spacing: .04em; }

.site-footer { position: relative; isolation: isolate; padding: 75px 0 20px; overflow: hidden; color: #fff; background: linear-gradient(rgba(2,16,29,.94), rgba(2,16,29,.96)), url("../images/footer.jpg") center/cover no-repeat; }
.footer-overlay { position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 10% 20%, rgba(var(--main-color-rgb), .22), transparent 25rem), radial-gradient(circle at 90% 80%, rgba(var(--glow-cyan), .15), transparent 24rem); }
.site-footer img { width: 180px; margin-bottom: 18px; object-fit: contain; }
.site-footer p { max-width: 560px; color: rgba(255,255,255,.64); font-size: .83rem; }
.site-footer h2 { margin-bottom: 18px; color: #fff; font-size: 1rem; }
.site-footer ul { padding: 0; margin: 0; list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer li a { color: rgba(255,255,255,.65); font-size: .8rem; transition: .35s ease; }
.site-footer li a:hover { padding-right: 5px; color: #fff; }
.footer-phone { display: inline-block; margin-bottom: 8px; color: #fff; font-size: 3rem; font-weight: 900; line-height: 1; letter-spacing: .04em; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.09); }
.footer-bottom p, .footer-bottom a { margin: 0; color: rgba(255,255,255,.52); font-size: .72rem; }

.mobile-call-bar { position: fixed; right: 12px; bottom: 12px; left: 12px; z-index: 1040; overflow: hidden; border-radius: 17px; box-shadow: 0 20px 50px rgba(2,30,54,.3); }
.mobile-call-bar a { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 64px; padding: 10px 20px; color: #fff; background: radial-gradient(circle at 15% 0, rgba(255,255,255,.2), transparent 10rem), linear-gradient(135deg, var(--main-color), #0071c4); }
.mobile-call-bar img { width: 26px; filter: brightness(0) invert(1); }
.mobile-call-bar small, .mobile-call-bar strong { display: block; }
.mobile-call-bar small { color: rgba(255,255,255,.74); font-size: .66rem; }
.mobile-call-bar strong { font-size: 1.25rem; line-height: 1.25; letter-spacing: .04em; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .24s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes floatCard { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-13px) rotate(1deg); } }
@keyframes orbitSpin { to { transform: rotate(360deg); } }
@keyframes statusPulse { 0%,100% { box-shadow: 0 0 0 5px rgba(91,241,154,.14); } 50% { box-shadow: 0 0 0 9px rgba(91,241,154,.02); } }

@media (max-width: 1199.98px) {
  .hero-section { min-height: auto; }
  .gas-card, .elec-card { right: 0; }
  .warranty-card { left: 0; }
}
@media (max-width: 991.98px) {

  .heater-showcase { padding: 68px 0 42px; }
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-products { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: none; }
  .showcase-card--technician { min-height: 560px; }
  .showcase-products .showcase-card { min-height: 310px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 24px; }
  .contact-main-number { font-size: clamp(2rem, 9vw, 3rem); }
  .contact-card--whatsapp .contact-main-number { font-size: clamp(1.65rem, 7vw, 2.5rem); }
  body { padding-bottom: 82px; }
  .section-space { padding: 85px 0; }
  .site-header { background: rgba(255,255,255,.9); box-shadow: 0 10px 30px rgba(2,33,61,.06); backdrop-filter: blur(16px); }
  .navbar-collapse { margin-top: 12px; padding: 14px; background: #fff; border: 1px solid var(--border-color); border-radius: 18px; box-shadow: var(--shadow-md); }
  .hero-section { padding: 145px 0 115px; }
  .hero-content { text-align: center; }
  .hero-lead { margin-right: auto; margin-left: auto; }
  .hero-actions, .hero-trust { justify-content: center; }
  .hero-visual { min-height: 450px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid > div:nth-child(2)::after { display: none; }
  .features-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-side { position: relative; top: auto; }
}
@media (max-width: 767.98px) {

  body { font-size: 16px; line-height: 1.85; }
  p, li { overflow-wrap: break-word; }
  .section-heading p,
  .hero-lead,
  .service-card p,
  .model-card > p,
  .content-card > p,
  .feature-card p,
  .step-card p,
  .fault-grid article p,
  .fault-grid article li,
  .faq-accordion .accordion-body,
  .quick-answer p { font-size: 0.96rem; line-height: 1.9; }
  .showcase-heading { margin-bottom: 26px; }
  .showcase-heading p { font-size: 0.96rem; }
  .showcase-grid { gap: 14px; }
  .showcase-products { grid-template-columns: 1fr; gap: 14px; }
  .showcase-card--technician { min-height: 470px; }
  .showcase-products .showcase-card { min-height: 330px; }
  .showcase-card figcaption { right: 16px; bottom: 15px; left: 16px; }
  .showcase-card figcaption strong { font-size: 1rem; }
  .contact-card { padding: 21px; border-radius: 20px; }
  .contact-card-head { align-items: flex-start; }
  .contact-card-head h3 { font-size: 1rem; }
  .contact-card-head p { font-size: 0.82rem; }
  .contact-main-number { font-size: clamp(1.9rem, 11vw, 2.8rem); }
  .contact-card--whatsapp .contact-main-number { font-size: clamp(1.5rem, 8.2vw, 2.15rem); }
  .contact-number-list a { align-items: flex-start; flex-direction: column; gap: 3px; }
  .contact-number-list span { font-size: 0.78rem; }
  .contact-number-list strong { width: 100%; font-size: 1.1rem; text-align: right; }
  .footer-contact-list { grid-template-columns: 1fr; }
  .coverage-number a { font-size: clamp(2.7rem, 15vw, 4.2rem); }
  .footer-phone { font-size: clamp(2.3rem, 13vw, 3rem); }
  .final-phone { min-width: min(100%, 260px); padding: 15px 22px; }
  .final-phone strong { font-size: 2.55rem; }
  html { scroll-padding-top: 86px; }
  .section-space { padding: 72px 0; }
  .section-heading { margin-bottom: 34px; }
  .hero-section { padding: 125px 0 95px; }
  .hero-content h1 { font-size: clamp(2.15rem, 12vw, 3.45rem); }
  .hero-actions .btn { width: 100%; }
  .hero-trust { display: grid; grid-template-columns: 1fr; }
  .hero-trust > div { justify-content: center; }
  .hero-visual { min-height: 410px; }
  .hero-card { padding: 55px 25px 35px; border-radius: 30px; transform: none; }
  .orbit { display: none; }
  .float-card { min-width: 150px; padding: 10px 12px; }
  .gas-card { top: 1%; right: 0; }
  .elec-card { right: 0; bottom: 0; }
  .warranty-card { bottom: 14%; left: 0; }
  .trust-bar { margin-top: -55px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid > div:not(:last-child)::after { top: auto; right: 18%; bottom: 0; left: 18%; width: auto; height: 1px; background: linear-gradient(90deg, transparent, rgba(var(--main-color-rgb), .15), transparent); }
  .service-card, .model-card, .content-card { padding: 28px; border-radius: 26px; }
  .service-checks, .features-grid, .steps-grid, .fault-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .center-cta { flex-direction: column; text-align: center; }
  .fault-accordion .accordion-button { gap: 10px; padding: 17px; }
  .fault-accordion .accordion-button > b { flex-basis: 37px; width: 37px; height: 37px; }
  .fault-accordion .accordion-body { padding: 14px; }
  .fault-grid article { padding: 18px; }
  .fault-cta { align-items: stretch; flex-direction: column; }
  .fault-cta .btn { width: 100%; }
  .safety-box { grid-template-columns: auto 1fr; }
  .safety-box .btn { grid-column: 1/-1; }
  .check-list.two-cols { grid-template-columns: 1fr; }
  .coverage-section { padding: 65px 0; text-align: center; }
  .final-cta { padding: 80px 0; }
  .site-footer { padding-top: 60px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 575.98px) {

  .heater-showcase { padding-top: 58px; }
  .showcase-card--technician { min-height: 410px; }
  .showcase-products .showcase-card { min-height: 290px; }
  .contact-icon { flex-basis: 46px; width: 46px; height: 46px; border-radius: 14px; }
  .contact-main-number { font-size: clamp(1.75rem, 12vw, 2.45rem); }
  .contact-card--whatsapp .contact-main-number { font-size: clamp(1.35rem, 8.5vw, 1.95rem); }
  .mobile-call-bar { right: 8px; bottom: 8px; left: 8px; }
  .mobile-call-bar > a { min-height: 60px; gap: 7px; padding: 8px 9px; }
  .mobile-call-bar img { width: 22px; }
  .mobile-call-bar small { font-size: 0.61rem; }
  .mobile-call-bar strong { font-size: clamp(0.78rem, 3.8vw, 1rem); }
  .navbar-brand img { width: 115px; }
  .mobile-head-call { padding: 8px 10px; font-size: .75rem; }
  .hero-card { width: 88%; }
  .hero-card img { width: 185px; }
  .float-card { min-width: 135px; }
  .float-card small { display: none; }
  .float-card span { font-size: .7rem; }
  .float-card b { flex-basis: 34px; width: 34px; height: 34px; }
  .service-card, .model-card, .content-card { padding: 23px; }
  .faq-side, .fault-cta { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
