:root {
  --green-950: #063c32;
  --green-900: #075142;
  --green-800: #0b6b4f;
  --green-700: #11815f;
  --green-100: #e5f4ed;
  --green-50: #f2faf6;
  --sun-500: #f5b82e;
  --sun-400: #ffc94d;
  --sun-100: #fff3c8;
  --blue-500: #2d93b7;
  --ink: #18342d;
  --muted: #61736d;
  --white: #ffffff;
  --surface: #f8fbf9;
  --border: rgba(6, 60, 50, 0.12);
  --shadow: 0 24px 70px rgba(6, 60, 50, 0.13);
  --radius-lg: 34px;
  --radius-md: 24px;
  --radius-sm: 16px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
svg { display: block; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { position: relative; padding: 110px 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; background: var(--green-950); color: var(--white); padding: 12px 18px; border-radius: 10px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  transition: background .25s ease, box-shadow .25s ease, transform .25s ease;
}
.site-header.scrolled { background: rgba(255,255,255,.93); backdrop-filter: blur(16px); box-shadow: 0 10px 40px rgba(6,60,50,.09); }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { width: 48px; height: 48px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 15px; background: linear-gradient(145deg, var(--sun-100), #fff); box-shadow: 0 10px 24px rgba(245,184,46,.18); }
.brand-mark svg { width: 31px; height: 31px; fill: none; stroke: var(--green-800); stroke-width: 2.7; stroke-linecap: round; stroke-linejoin: round; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.brand-copy strong { font-size: .97rem; letter-spacing: -.02em; }
.brand-copy small { margin-top: 5px; color: var(--green-700); font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: .91rem; font-weight: 750; }
.main-nav > a { position: relative; }
.main-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; border-radius: 2px; background: var(--sun-500); transition: right .25s ease; }
.main-nav > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta { padding: 12px 20px; border-radius: 999px; color: var(--white); background: var(--green-800); box-shadow: 0 10px 24px rgba(11,107,79,.22); }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 0; border-radius: 14px; background: var(--white); box-shadow: 0 8px 24px rgba(6,60,50,.1); cursor: pointer; }
.menu-toggle span { width: 22px; height: 2px; display: block; margin: 5px auto; border-radius: 999px; background: var(--green-950); transition: transform .25s ease, opacity .25s ease; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero { min-height: 810px; padding-top: 165px; padding-bottom: 95px; display: flex; align-items: center; isolation: isolate; background: radial-gradient(circle at 13% 10%, rgba(255,201,77,.22), transparent 30%), linear-gradient(180deg, #f6fbf8 0%, #edf8f2 100%); overflow: hidden; }
.hero::before { content: ""; position: absolute; z-index: -2; width: 670px; height: 670px; right: -210px; top: -230px; border-radius: 50%; border: 1px solid rgba(11,107,79,.08); box-shadow: inset 0 0 0 80px rgba(255,255,255,.18), inset 0 0 0 160px rgba(255,255,255,.14); }
.hero-glow { position: absolute; border-radius: 999px; filter: blur(2px); opacity: .75; z-index: -1; }
.hero-glow-one { width: 230px; height: 230px; left: -110px; bottom: 40px; background: rgba(45,147,183,.16); }
.hero-glow-two { width: 110px; height: 110px; right: 10%; bottom: 12%; background: rgba(245,184,46,.18); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--green-700); font-size: .78rem; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow span { width: 34px; height: 2px; border-radius: 2px; background: var(--sun-500); }
.eyebrow.light { color: rgba(255,255,255,.78); }
.hero h1, .section-heading h2, .spotlight-copy h2, .location-copy h2, .contact-content h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 700; letter-spacing: -.045em; line-height: .98; }
.hero h1 { max-width: 700px; font-size: clamp(3.35rem, 6.8vw, 6.7rem); }
.hero h1 em { display: block; color: var(--green-700); font-style: italic; }
.hero-text { max-width: 620px; margin: 28px 0 0; color: var(--muted); font-size: clamp(1.07rem, 1.6vw, 1.26rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 14px 24px; border: 1px solid transparent; border-radius: 999px; font-weight: 850; line-height: 1.15; transition: transform .22s ease, box-shadow .22s ease, background .22s ease; }
.btn:hover { transform: translateY(-3px); }
.btn svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn-primary { color: var(--white); background: var(--green-800); box-shadow: 0 16px 34px rgba(11,107,79,.24); }
.btn-primary:hover { background: var(--green-900); box-shadow: 0 20px 40px rgba(11,107,79,.29); }
.btn-secondary { color: var(--green-950); border-color: var(--border); background: rgba(255,255,255,.78); }
.btn-light { color: var(--green-950); background: var(--white); box-shadow: 0 16px 36px rgba(0,0,0,.12); }
.btn-sun { color: var(--green-950); background: var(--sun-400); box-shadow: 0 16px 36px rgba(245,184,46,.22); }
.hero-highlights { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 28px; }
.hero-highlights span { position: relative; padding: 8px 13px 8px 31px; border: 1px solid var(--border); border-radius: 999px; color: var(--green-900); background: rgba(255,255,255,.6); font-size: .82rem; font-weight: 800; }
.hero-highlights span::before { content: ""; position: absolute; left: 13px; top: 50%; width: 8px; height: 8px; transform: translateY(-50%); border-radius: 50%; background: var(--sun-500); box-shadow: 0 0 0 4px rgba(245,184,46,.18); }
.hero-visual { position: relative; min-height: 510px; display: grid; place-items: center; }
.solar-scene { position: relative; width: min(100%, 490px); height: 440px; border-radius: 48% 48% 22% 22%; background: linear-gradient(180deg, #bfe9f4 0%, #e9f7f8 62%, #dcefcf 63%, #b9d39e 100%); box-shadow: var(--shadow); overflow: hidden; border: 8px solid rgba(255,255,255,.72); }
.sun { position: absolute; width: 95px; height: 95px; right: 10px; top: 4px; z-index: 4; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff7c4 0 12%, var(--sun-400) 35%, #f3a512 100%); box-shadow: 0 0 0 16px rgba(255,201,77,.11), 0 0 60px rgba(245,184,46,.32); animation: sunPulse 4s ease-in-out infinite; }
.sun span { position: absolute; left: 50%; top: 50%; width: 3px; height: 25px; border-radius: 4px; background: var(--sun-500); transform-origin: 50% 68px; }
.sun span:nth-child(1) { transform: translate(-50%,-50%) rotate(0deg); }
.sun span:nth-child(2) { transform: translate(-50%,-50%) rotate(45deg); }
.sun span:nth-child(3) { transform: translate(-50%,-50%) rotate(90deg); }
.sun span:nth-child(4) { transform: translate(-50%,-50%) rotate(135deg); }
.sun span:nth-child(5) { transform: translate(-50%,-50%) rotate(180deg); }
.sun span:nth-child(6) { transform: translate(-50%,-50%) rotate(225deg); }
.sun span:nth-child(7) { transform: translate(-50%,-50%) rotate(270deg); }
.sun span:nth-child(8) { transform: translate(-50%,-50%) rotate(315deg); }
.cloud { position: absolute; height: 23px; border-radius: 40px; background: rgba(255,255,255,.75); }
.cloud::before, .cloud::after { content: ""; position: absolute; bottom: 0; border-radius: 50%; background: inherit; }
.cloud::before { width: 35px; height: 35px; left: 16px; }
.cloud::after { width: 45px; height: 45px; right: 13px; }
.cloud-one { width: 110px; left: 34px; top: 78px; opacity: .85; }
.cloud-two { width: 84px; right: 34px; top: 150px; opacity: .55; transform: scale(.8); }
.solar-unit { position: absolute; left: 50%; bottom: 82px; width: 335px; height: 230px; transform: translateX(-50%); }
.tank { position: absolute; left: 45px; top: 12px; width: 242px; height: 78px; border-radius: 44px; background: linear-gradient(180deg,#f7f8f6,#b8c7c3 62%,#758c87); box-shadow: inset 0 10px 16px rgba(255,255,255,.75), 0 16px 28px rgba(6,60,50,.22); }
.tank-cap { position: absolute; left: -8px; top: 10px; width: 21px; height: 58px; border-radius: 14px 4px 4px 14px; background: #607a74; }
.tank-shine { position: absolute; left: 48px; top: 12px; width: 100px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.72); filter: blur(1px); }
.collector-frame { position: absolute; left: 30px; bottom: 20px; width: 275px; height: 137px; transform: skewX(-10deg); border: 8px solid #263f3c; border-radius: 10px; background: linear-gradient(145deg,#0b5d70,#123d49 55%,#082b34); box-shadow: 0 18px 24px rgba(6,60,50,.24); overflow: hidden; }
.collector-frame::before { content: ""; position: absolute; inset: 0; background: linear-gradient(118deg, transparent 0 38%, rgba(255,255,255,.18) 39% 46%, transparent 47%); }
.collector-grid { position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 24px, rgba(135,210,223,.42) 25px 27px), repeating-linear-gradient(0deg, transparent 0 31px, rgba(135,210,223,.3) 32px 34px); }
.support { position: absolute; bottom: 0; width: 8px; height: 64px; border-radius: 8px; background: #304d47; }
.support-left { left: 79px; transform: rotate(12deg); }
.support-right { right: 67px; transform: rotate(-12deg); }
.roof { position: absolute; left: -20%; right: -20%; bottom: -65px; height: 140px; background: repeating-linear-gradient(120deg,#a75139 0 26px,#8b3d2e 27px 52px); transform: rotate(-3deg); box-shadow: inset 0 15px 0 rgba(255,255,255,.12); }
.floating-card { position: absolute; right: -8px; bottom: 34px; display: flex; align-items: center; gap: 12px; padding: 14px 17px; border: 1px solid rgba(255,255,255,.8); border-radius: 20px; background: rgba(255,255,255,.91); backdrop-filter: blur(12px); box-shadow: 0 18px 42px rgba(6,60,50,.16); animation: floatCard 4s ease-in-out infinite; }
.floating-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 14px; color: var(--green-800); background: var(--green-100); }
.floating-icon svg { width: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.floating-card div { display: flex; flex-direction: column; line-height: 1.25; }
.floating-card small { color: var(--muted); font-size: .7rem; }
.floating-card strong { font-size: .93rem; }
.scroll-cue { position: absolute; left: 50%; bottom: 28px; width: 28px; height: 44px; transform: translateX(-50%); border: 2px solid rgba(6,60,50,.3); border-radius: 20px; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; transform: translateX(-50%); border-radius: 4px; background: var(--green-800); animation: scrollDot 2s infinite; }

.trust-strip { position: relative; z-index: 3; margin-top: -12px; }
.trust-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid rgba(255,255,255,.75); border-radius: 24px; background: rgba(255,255,255,.9); backdrop-filter: blur(12px); box-shadow: 0 20px 60px rgba(6,60,50,.12); overflow: hidden; }
.trust-grid article { min-height: 118px; display: flex; align-items: center; gap: 18px; padding: 26px 34px; }
.trust-grid article + article { border-left: 1px solid var(--border); }
.trust-number { color: var(--sun-500); font-family: Georgia, serif; font-size: 2.1rem; font-style: italic; }
.trust-grid article div { display: flex; flex-direction: column; }
.trust-grid strong { font-size: 1rem; }
.trust-grid small { color: var(--muted); }

.services { background: var(--surface); }
.section-heading { max-width: 700px; margin: 0 auto 52px; text-align: center; }
.section-heading .eyebrow { justify-content: center; }
.section-heading h2, .spotlight-copy h2, .location-copy h2, .contact-content h2 { font-size: clamp(2.5rem, 5vw, 4.6rem); }
.section-heading p:last-child { max-width: 580px; margin: 20px auto 0; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.service-card { position: relative; min-height: 390px; display: flex; flex-direction: column; padding: 34px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--white); box-shadow: 0 16px 44px rgba(6,60,50,.07); overflow: hidden; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.service-card::after { content: ""; position: absolute; right: -70px; bottom: -70px; width: 170px; height: 170px; border-radius: 50%; background: var(--green-50); transition: transform .3s ease; }
.service-card:hover { transform: translateY(-9px); border-color: rgba(11,107,79,.24); box-shadow: 0 26px 60px rgba(6,60,50,.12); }
.service-card:hover::after { transform: scale(1.18); }
.service-card.featured { color: var(--white); border-color: transparent; background: linear-gradient(155deg,var(--green-700),var(--green-950)); transform: translateY(-12px); }
.service-card.featured::after { background: rgba(255,255,255,.06); }
.service-badge { position: absolute; right: 22px; top: 22px; padding: 8px 12px; border-radius: 999px; color: var(--green-950); background: var(--sun-400); font-size: .72rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.service-icon { width: 72px; height: 72px; display: grid; place-items: center; margin-bottom: 45px; border-radius: 22px; color: var(--green-800); background: var(--green-100); }
.featured .service-icon { color: var(--sun-400); background: rgba(255,255,255,.12); }
.service-icon svg { width: 40px; fill: none; stroke: currentColor; stroke-width: 2.3; stroke-linecap: round; stroke-linejoin: round; }
.card-index { position: absolute; top: 37px; right: 36px; color: rgba(6,60,50,.18); font-family: Georgia, serif; font-size: 2.5rem; font-style: italic; }
.featured .card-index { right: auto; left: 124px; color: rgba(255,255,255,.18); }
.service-card h3 { margin: 0 0 12px; font-size: 1.55rem; letter-spacing: -.025em; }
.service-card p { margin: 0 0 28px; color: var(--muted); }
.featured p { color: rgba(255,255,255,.72); }
.service-card a { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 9px; margin-top: auto; color: var(--green-800); font-weight: 850; }
.featured a { color: var(--sun-400); }
.service-card a span { transition: transform .2s ease; }
.service-card a:hover span { transform: translateX(5px); }

.spotlight { color: var(--white); background: radial-gradient(circle at 20% 50%, rgba(255,201,77,.13), transparent 27%), linear-gradient(135deg,var(--green-950),#0a5949 55%,#0e7355); overflow: hidden; }
.spotlight::before { content: ""; position: absolute; right: -100px; top: -220px; width: 520px; height: 520px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025),0 0 0 140px rgba(255,255,255,.02); }
.spotlight-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 90px; }
.spotlight-visual { min-height: 420px; display: grid; place-items: center; }
.spotlight-circle { width: min(100%,420px); aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,.09); }
.spotlight-circle svg { width: 82%; }
.spotlight-circle .orbit { fill: none; stroke: rgba(255,255,255,.12); stroke-width: 2; stroke-dasharray: 8 9; animation: spin 26s linear infinite; transform-origin: center; }
.spotlight-circle .core { fill: rgba(245,184,46,.18); stroke: var(--sun-400); stroke-width: 4; }
.spotlight-circle .rays { fill: none; stroke: var(--sun-400); stroke-width: 5; stroke-linecap: round; }
.spotlight-circle .panel { fill: #0b4050; stroke: var(--white); stroke-width: 4; stroke-linejoin: round; }
.spotlight-circle .panel-lines { fill: none; stroke: rgba(255,255,255,.42); stroke-width: 3; }
.spotlight-copy p:not(.eyebrow) { max-width: 590px; margin: 24px 0 32px; color: rgba(255,255,255,.72); font-size: 1.08rem; }

.location { background: linear-gradient(180deg,#f7fbf9 0%,#eef8f2 100%); }
.location-card { min-height: 270px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; padding: 45px 50px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.location-icon { width: 92px; height: 92px; display: grid; place-items: center; border-radius: 28px; color: var(--green-800); background: linear-gradient(145deg,var(--sun-100),#fff8e2); }
.location-icon svg { width: 48px; fill: none; stroke: currentColor; stroke-width: 2.3; stroke-linecap: round; stroke-linejoin: round; }
.location-copy .eyebrow { margin-bottom: 15px; }
.location-copy h2 { font-size: clamp(2.15rem,4.5vw,4.2rem); }
.location-copy p:last-child { margin: 18px 0 0; color: var(--muted); }

.contact { padding-top: 30px; background: linear-gradient(180deg,#eef8f2 0%,#f8fbf9 100%); }
.contact-panel { position: relative; min-height: 510px; display: grid; place-items: center; padding: 70px 35px; border-radius: var(--radius-lg); color: var(--white); text-align: center; background: linear-gradient(145deg,#0b6b4f 0%,#053d33 90%); box-shadow: 0 30px 80px rgba(6,60,50,.2); overflow: hidden; }
.contact-pattern { position: absolute; inset: 0; opacity: .13; background-image: radial-gradient(circle at 20% 20%, var(--sun-400) 0 2px, transparent 3px), radial-gradient(circle at 80% 60%, white 0 2px, transparent 3px); background-size: 52px 52px, 70px 70px; }
.contact-panel::before,.contact-panel::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.09); border-radius: 50%; }
.contact-panel::before { width: 470px; height: 470px; left: -210px; bottom: -260px; box-shadow: 0 0 0 70px rgba(255,255,255,.025); }
.contact-panel::after { width: 370px; height: 370px; right: -170px; top: -180px; box-shadow: 0 0 0 70px rgba(255,201,77,.035); }
.contact-content { position: relative; z-index: 2; max-width: 760px; }
.contact-content .eyebrow { justify-content: center; }
.contact-content p:not(.eyebrow) { max-width: 660px; margin: 24px auto 16px; color: rgba(255,255,255,.72); }
.phone-link { display: block; margin: 8px 0 28px; color: var(--sun-400); font-family: Georgia, serif; font-size: clamp(2.2rem,5vw,4.5rem); font-weight: 700; letter-spacing: -.03em; line-height: 1; }

.site-footer { padding: 70px 0 25px; color: rgba(255,255,255,.76); background: #042d26; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr auto; align-items: center; gap: 40px; }
.footer-brand .brand-copy strong { color: var(--white); }
.footer-info { display: flex; flex-direction: column; gap: 5px; }
.footer-info p { margin: 0; }
.footer-info a { color: var(--sun-400); font-weight: 850; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 24px; font-weight: 750; }
.footer-nav a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: .82rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--sun-400); font-weight: 800; }

.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 900; min-height: 56px; display: flex; align-items: center; gap: 10px; padding: 12px 18px 12px 14px; border-radius: 999px; color: var(--white); background: #1da851; box-shadow: 0 18px 42px rgba(14,120,59,.34); font-weight: 850; transition: transform .25s ease, box-shadow .25s ease; }
.whatsapp-float:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 22px 48px rgba(14,120,59,.42); }
.whatsapp-float svg { width: 30px; height: 30px; fill: currentColor; }
.back-to-top { position: fixed; right: 25px; bottom: 94px; z-index: 850; width: 46px; height: 46px; border: 0; border-radius: 50%; color: var(--white); background: var(--green-950); box-shadow: 0 12px 28px rgba(6,60,50,.23); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(12px); transition: .25s ease; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

.reveal { opacity: 1; transform: none; }
/* El contenido siempre permanece visible. La animación es únicamente decorativa,
   por lo que el sitio sigue funcionando aunque JavaScript no se ejecute. */
.js-enabled .reveal { opacity: 1; transform: none; }
.js-enabled .reveal.visible { animation: revealRise .62s ease both; }
.service-card:nth-child(2).reveal.visible { animation-delay: .06s; }
.service-card:nth-child(3).reveal.visible { animation-delay: .12s; }

@keyframes revealRise { from { opacity: .72; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes sunPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes floatCard { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes scrollDot { 0% { opacity: 0; transform: translate(-50%,0); } 35% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%,17px); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 980px) {
  .section { padding: 90px 0; }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 86px 20px auto; display: grid; gap: 4px; padding: 18px; border: 1px solid var(--border); border-radius: 22px; background: rgba(255,255,255,.98); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-12px); transition: .25s ease; }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav a { padding: 13px 14px; border-radius: 12px; }
  .main-nav a:not(.nav-cta):hover { background: var(--green-50); }
  .main-nav > a:not(.nav-cta)::after { display: none; }
  .nav-cta { text-align: center; }
  .hero { padding-top: 135px; }
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-copy { text-align: center; }
  .hero-copy .eyebrow, .hero-actions, .hero-highlights { justify-content: center; }
  .hero h1, .hero-text { margin-left: auto; margin-right: auto; }
  .hero-visual { width: min(100%,590px); margin-inline: auto; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid article + article { border-left: 0; border-top: 1px solid var(--border); }
  .service-grid { grid-template-columns: 1fr; max-width: 660px; margin-inline: auto; }
  .service-card.featured { transform: none; }
  .spotlight-grid { grid-template-columns: 1fr; gap: 45px; text-align: center; }
  .spotlight-copy .eyebrow { justify-content: center; }
  .spotlight-copy p:not(.eyebrow) { margin-left: auto; margin-right: auto; }
  .location-card { grid-template-columns: auto 1fr; }
  .location-card .btn { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-nav { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 74px 0; }
  .header-inner { min-height: 76px; }
  .brand-mark { width: 42px; height: 42px; border-radius: 13px; }
  .brand-mark svg { width: 27px; height: 27px; }
  .brand-copy strong { font-size: .82rem; }
  .brand-copy small { font-size: .62rem; }
  .main-nav { top: 76px; inset-inline: 14px; }
  .hero { min-height: auto; padding-top: 120px; padding-bottom: 84px; }
  .hero h1 { font-size: clamp(3rem,15vw,4.8rem); }
  .hero-text { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-visual { min-height: 390px; }
  .solar-scene { height: 340px; border-radius: 44% 44% 20% 20%; }
  .solar-unit { bottom: 45px; transform: translateX(-50%) scale(.78); }
  .sun { width: 72px; height: 72px; right: 0; top: 13px; }
  .sun span { height: 18px; transform-origin: 50% 51px; }
  .floating-card { right: -2px; bottom: 0; padding: 11px 13px; }
  .floating-icon { width: 35px; height: 35px; }
  .floating-card strong { font-size: .82rem; }
  .trust-grid article { min-height: 100px; padding: 21px 24px; }
  .service-card { min-height: 350px; padding: 28px; }
  .service-icon { margin-bottom: 35px; }
  .section-heading h2, .spotlight-copy h2, .contact-content h2 { font-size: clamp(2.25rem,12vw,3.6rem); }
  .spotlight-visual { min-height: 320px; }
  .location-card { grid-template-columns: 1fr; padding: 32px 25px; text-align: center; }
  .location-icon { margin-inline: auto; }
  .location-copy .eyebrow { justify-content: center; }
  .contact-panel { min-height: 480px; padding: 55px 22px; }
  .phone-link { font-size: clamp(2rem,11vw,3.2rem); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-nav { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 58px; height: 58px; min-height: 58px; justify-content: center; padding: 0; }
  .whatsapp-float span { display: none; }
  .back-to-top { right: 20px; bottom: 85px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}