:root {
  --navy-950: #041321;
  --navy-900: #071a2d;
  --navy-800: #0b2942;
  --navy-700: #123e5e;
  --orange: #f25a24;
  --orange-deep: #dc3d1e;
  --gold: #ffaf1f;
  --cyan: #15aee5;
  --ink: #10263a;
  --muted: #5c6c78;
  --line: #dce5ea;
  --surface: #f3f7f8;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(4, 19, 33, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 88px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(16, 38, 58, 0.09);
  backdrop-filter: blur(14px);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 38px; }
.brand { position: relative; display: block; width: 176px; height: 70px; flex: 0 0 auto; overflow: hidden; }
.brand img { position: absolute; width: 224px; max-width: none; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.main-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.main-nav a { position: relative; color: #334a5c; font-size: 0.9rem; font-weight: 650; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--orange); transition: right 180ms ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.menu-button { display: none; background: none; border: 0; padding: 10px; }
.menu-button > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--navy-900); transition: 180ms ease; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border: 0;
  border-radius: 10px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid rgba(21, 174, 229, 0.38); outline-offset: 3px; }
.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.button-small { min-height: 44px; padding: 0 18px; font-size: 0.84rem; background: var(--navy-900); color: white; }
.button-primary { color: white; background: linear-gradient(135deg, var(--orange), var(--orange-deep)); box-shadow: 0 14px 32px rgba(242, 90, 36, 0.3); }
.button-primary:hover { box-shadow: 0 18px 40px rgba(242, 90, 36, 0.4); }
.button-dark { color: white; background: var(--navy-900); box-shadow: 0 14px 28px rgba(7, 26, 45, 0.2); }
.button-large { min-height: 60px; padding-inline: 28px; }

.hero { position: relative; min-height: 700px; overflow: hidden; background: var(--navy-900); color: white; }
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,19,33,.98) 0%, rgba(4,19,33,.90) 35%, rgba(4,19,33,.52) 61%, rgba(4,19,33,.08) 100%), linear-gradient(0deg, rgba(4,19,33,.75) 0%, transparent 34%); }
.hero::before { content: ""; position: absolute; z-index: 1; top: -120px; left: -120px; width: 420px; height: 420px; border: 1px solid rgba(255,175,31,.18); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,175,31,.035), 0 0 0 140px rgba(255,175,31,.02); }
.hero-content { position: relative; z-index: 2; display: flex; min-height: 700px; flex-direction: column; justify-content: center; padding-block: 90px 138px; }
.hero-copy { width: min(680px, 63%); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 18px; color: #ffce7a; font-size: .78rem; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow > span { width: 28px; height: 2px; background: currentColor; }
.eyebrow.dark { color: var(--orange-deep); }
.eyebrow.light { color: #ffc160; }
.hero h1 { max-width: 660px; margin: 0; font-size: clamp(3rem, 5.7vw, 5.5rem); line-height: .99; letter-spacing: -.055em; }
.hero h1 em { color: #ffc34e; font-style: normal; }
.hero-lead { max-width: 630px; margin: 26px 0 0; color: rgba(255,255,255,.82); font-size: 1.12rem; line-height: 1.72; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 32px; }
.text-link { color: white; font-weight: 750; }
.text-link span { display: inline-block; margin-left: 5px; color: #ffc34e; transition: transform 180ms ease; }
.text-link:hover span { transform: translateY(3px); }
.microcopy { margin: 12px 0 0 3px; color: rgba(255,255,255,.55); font-size: .78rem; }
.trust-strip { position: absolute; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(3, 1fr); width: min(790px, 100%); border-radius: 18px 18px 0 0; overflow: hidden; background: rgba(255,255,255,.96); color: var(--ink); box-shadow: var(--shadow); }
.trust-strip div { display: flex; align-items: center; gap: 13px; min-height: 92px; padding: 15px 26px; border-right: 1px solid var(--line); }
.trust-strip div:last-child { border-right: 0; }
.trust-strip strong { color: var(--navy-900); font-size: 2.25rem; line-height: 1; letter-spacing: -.05em; }
.trust-strip strong span { color: var(--orange); }
.trust-strip div > span { max-width: 90px; color: var(--muted); font-size: .76rem; font-weight: 750; line-height: 1.35; text-transform: uppercase; }

.section { padding-block: 112px; }
.section-heading h2 { margin: 0; color: var(--navy-900); font-size: clamp(2.2rem, 4.2vw, 4rem); line-height: 1.08; letter-spacing: -.045em; }
.section-heading > p:last-child { max-width: 580px; margin: 24px 0 0; color: var(--muted); font-size: 1.05rem; }
.section-heading.centered { max-width: 820px; margin: 0 auto 58px; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.process-section .section-heading h2, .final-cta h2 { color: white; }

.savings-section { background: var(--surface); }
.savings-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 86px; align-items: center; }
.benefit-stack { display: grid; gap: 14px; }
.benefit-card { display: grid; grid-template-columns: 48px 1fr; gap: 22px; padding: 28px 30px; background: white; border: 1px solid var(--line); border-radius: var(--radius-md); transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease; }
.benefit-card:hover { transform: translateX(-5px); border-color: rgba(21,174,229,.42); box-shadow: 0 16px 38px rgba(4,19,33,.08); }
.benefit-card.featured { background: var(--navy-900); border-color: var(--navy-900); color: white; box-shadow: var(--shadow); }
.benefit-card h3 { margin: 0 0 5px; font-size: 1.25rem; }
.benefit-card p { margin: 0; color: var(--muted); }
.benefit-card.featured p { color: rgba(255,255,255,.68); }
.card-number { color: var(--orange); font-size: .78rem; font-weight: 900; letter-spacing: .1em; }

.process-section { position: relative; background: var(--navy-900); color: white; overflow: hidden; }
.process-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 82% 10%, rgba(21,174,229,.16), transparent 27%), radial-gradient(circle at 10% 86%, rgba(242,90,36,.11), transparent 30%); }
.process-section .container { position: relative; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); counter-reset: steps; }
.process-step { position: relative; min-height: 310px; padding: 30px 25px; border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); border-right: 1px solid rgba(255,255,255,.14); }
.process-step:first-child { border-left: 1px solid rgba(255,255,255,.14); border-radius: 18px 0 0 18px; }
.process-step:last-child { border-radius: 0 18px 18px 0; }
.step-icon { display: grid; width: 54px; height: 54px; margin-bottom: 38px; place-items: center; border-radius: 14px; background: rgba(21,174,229,.1); color: #63d2f4; }
.step-icon svg { width: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.process-step > span { color: #ffb946; font-size: .72rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.process-step h3 { margin: 8px 0 9px; font-size: 1.25rem; }
.process-step p { margin: 0; color: rgba(255,255,255,.64); font-size: .93rem; }
.inline-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 38px; padding: 24px 26px 24px 34px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(255,255,255,.05); }
.inline-cta div { display: flex; flex-direction: column; }
.inline-cta strong { font-size: 1.05rem; }
.inline-cta span { color: rgba(255,255,255,.58); font-size: .9rem; }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.about-visual { position: relative; min-height: 570px; overflow: hidden; border-radius: var(--radius-lg); background: var(--navy-900); box-shadow: var(--shadow); }
.sun-disc { position: absolute; top: 60px; right: 55px; width: 230px; height: 230px; border-radius: 50%; background: linear-gradient(135deg, #ffc441, var(--orange)); box-shadow: 0 0 0 34px rgba(255,175,31,.07), 0 0 0 68px rgba(255,175,31,.035); }
.solar-lines { position: absolute; right: -70px; bottom: -60px; width: 440px; height: 300px; border: 3px solid rgba(21,174,229,.6); transform: skewY(-10deg); background-image: linear-gradient(rgba(21,174,229,.38) 2px, transparent 2px), linear-gradient(90deg, rgba(21,174,229,.38) 2px, transparent 2px); background-size: 55px 55px; box-shadow: inset 0 0 70px rgba(21,174,229,.14); }
.experience-card { position: absolute; left: 38px; bottom: 42px; width: 245px; padding: 27px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(255,255,255,.1); color: white; backdrop-filter: blur(12px); }
.experience-card strong { font-size: 4rem; line-height: 1; letter-spacing: -.07em; }
.experience-card strong span { color: #ffb42b; }
.experience-card p { margin: 10px 0 0; color: rgba(255,255,255,.7); font-size: .92rem; line-height: 1.45; }
.about-copy h2 { margin: 0 0 24px; color: var(--navy-900); font-size: clamp(2.25rem, 4vw, 3.7rem); line-height: 1.08; letter-spacing: -.045em; }
.about-copy > p:not(.eyebrow) { margin: 0 0 17px; color: var(--muted); font-size: 1.04rem; }
.about-copy strong { color: var(--ink); }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 22px; margin: 26px 0 30px; font-weight: 750; font-size: .92rem; }
.about-values div:last-child { grid-column: 1 / -1; }
.about-values span { display: inline-grid; width: 22px; height: 22px; margin-right: 6px; place-items: center; border-radius: 50%; background: rgba(21,174,229,.12); color: #087da7; font-size: .75rem; }

.testimonials-section { background: var(--surface); }
.testimonials-header { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: end; margin-bottom: 48px; }
.prototype-note { margin: 0 0 7px; padding: 16px 18px; border-left: 3px solid var(--gold); background: rgba(255,175,31,.1); color: #596874; font-size: .82rem; line-height: 1.5; }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testimonial-card { display: flex; min-height: 360px; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; box-shadow: 0 12px 35px rgba(4,19,33,.05); }
.testimonial-card:nth-child(2) { transform: translateY(-12px); border-top: 4px solid var(--orange); }
.quote-mark { height: 56px; color: var(--orange); font-family: Georgia, serif; font-size: 5rem; line-height: 1; }
.testimonial-card > p { margin: 16px 0 30px; color: #425869; font-size: 1rem; }
.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.testimonial-author > span { display: grid; width: 44px; height: 44px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--navy-900); color: white; font-size: .75rem; font-weight: 900; }
.testimonial-author div { display: flex; flex-direction: column; }
.testimonial-author strong { font-size: .9rem; }
.testimonial-author small { color: var(--muted); font-size: .72rem; }

.final-cta { padding-block: 82px; background: linear-gradient(135deg, #0c3552, var(--navy-950)); color: white; }
.final-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 70px; align-items: center; }
.final-cta h2 { max-width: 790px; margin: 0; font-size: clamp(2.2rem, 4.2vw, 4rem); line-height: 1.06; letter-spacing: -.045em; }
.final-cta p:last-child { margin: 18px 0 0; color: rgba(255,255,255,.65); }

.site-footer { background: #03101c; color: rgba(255,255,255,.6); }
.footer-inner { display: grid; grid-template-columns: 190px 1fr auto; gap: 34px; align-items: center; min-height: 130px; }
.footer-brand { height: 76px; border-radius: 8px; background: white; }
.footer-inner p { margin: 0; font-size: .82rem; }
.copyright { text-align: right; }
.whatsapp-float { position: fixed; z-index: 60; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 9px; min-height: 50px; padding: 0 17px; border-radius: 999px; background: #1caf5a; color: white; box-shadow: 0 14px 35px rgba(5,71,34,.32); font-size: .84rem; font-weight: 850; transition: transform 180ms ease, box-shadow 180ms ease; }
.whatsapp-float:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(5,71,34,.42); }
.whatsapp-float svg { width: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

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

@media (max-width: 1060px) {
  .main-nav { gap: 18px; }
  .main-nav a { font-size: .82rem; }
  .header-cta { display: none; }
  .hero-copy { width: min(680px, 70%); }
  .process-step { padding-inline: 19px; }
  .about-grid { gap: 55px; }
}

@media (max-width: 820px) {
  .container { width: min(100% - 36px, 680px); }
  .site-header { height: 76px; }
  .brand { width: 158px; height: 66px; }
  .brand img { width: 208px; }
  .menu-button { display: block; margin-left: auto; }
  .main-nav { position: fixed; inset: 76px 0 auto; display: grid; gap: 0; padding: 12px 18px 22px; background: white; border-bottom: 1px solid var(--line); box-shadow: 0 18px 30px rgba(4,19,33,.12); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: 180ms ease; }
  .main-nav.open { opacity: 1; visibility: visible; transform: none; }
  .main-nav a { padding: 14px 12px; border-bottom: 1px solid var(--line); font-size: .95rem; }
  .main-nav a:last-child { border-bottom: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero, .hero-content { min-height: 760px; }
  .hero-photo { object-position: 67% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(4,19,33,.97) 0%, rgba(4,19,33,.82) 70%, rgba(4,19,33,.58) 100%), linear-gradient(0deg, rgba(4,19,33,.88), transparent 50%); }
  .hero-content { padding-block: 80px 194px; }
  .hero-copy { width: 100%; }
  .hero h1 { font-size: clamp(2.75rem, 10vw, 4.3rem); }
  .trust-strip { grid-template-columns: repeat(3, 1fr); }
  .trust-strip div { min-height: 106px; flex-direction: column; justify-content: center; gap: 4px; padding: 12px; text-align: center; }
  .trust-strip div > span { max-width: 110px; }
  .section { padding-block: 82px; }
  .savings-grid, .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { min-height: 450px; order: 2; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .process-step { min-height: 275px; }
  .process-step:first-child { border-radius: 16px 0 0 0; }
  .process-step:nth-child(2) { border-radius: 0 16px 0 0; }
  .process-step:nth-child(3) { border-left: 1px solid rgba(255,255,255,.14); border-radius: 0 0 0 16px; }
  .process-step:last-child { border-radius: 0 0 16px 0; }
  .testimonials-header { grid-template-columns: 1fr; gap: 24px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .testimonial-card { min-height: auto; }
  .testimonial-card:nth-child(2) { transform: none; }
  .final-cta-inner { grid-template-columns: 1fr; gap: 34px; }
  .final-cta .button { justify-self: start; }
  .footer-inner { grid-template-columns: 170px 1fr; padding-block: 28px; }
  .copyright { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 520px); }
  .hero, .hero-content { min-height: 780px; }
  .hero-content { justify-content: flex-start; padding-top: 68px; }
  .hero h1 { font-size: clamp(2.5rem, 12vw, 3.6rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .hero-actions .button { width: 100%; }
  .text-link { text-align: center; }
  .microcopy { text-align: center; }
  .trust-strip { width: 100%; }
  .trust-strip strong { font-size: 1.8rem; }
  .trust-strip div > span { font-size: .66rem; }
  .section-heading h2, .about-copy h2, .final-cta h2 { font-size: 2.35rem; }
  .benefit-card { grid-template-columns: 34px 1fr; padding: 23px 20px; gap: 12px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step, .process-step:first-child, .process-step:nth-child(2), .process-step:nth-child(3), .process-step:last-child { min-height: 0; padding: 26px 24px; border: 1px solid rgba(255,255,255,.14); border-bottom: 0; border-radius: 0; }
  .process-step:first-child { border-radius: 16px 16px 0 0; }
  .process-step:last-child { border-bottom: 1px solid rgba(255,255,255,.14); border-radius: 0 0 16px 16px; }
  .step-icon { margin-bottom: 22px; }
  .inline-cta { align-items: stretch; flex-direction: column; padding: 24px; }
  .inline-cta .button { width: 100%; }
  .about-visual { min-height: 400px; }
  .sun-disc { top: 42px; right: 28px; width: 180px; height: 180px; }
  .solar-lines { width: 370px; }
  .experience-card { left: 24px; right: 24px; bottom: 27px; width: auto; }
  .about-values { grid-template-columns: 1fr; }
  .about-values div:last-child { grid-column: auto; }
  .about-copy .button, .final-cta .button { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { margin-inline: auto; }
  .copyright { text-align: center; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 54px; height: 54px; padding: 0; }
  .whatsapp-float span { display: none; }
}