/* ============================================================
   SR Lambert — Energia Solar | Landing Page
   Light / trustworthy. Petroleum blue + solar yellow + green.
   ============================================================ */

:root {
  --blue:        #16486B;
  --blue-deep:   #0E3450;
  --blue-700:    #103A57;
  --blue-100:    #E7F0F6;
  --blue-50:     #F2F7FB;
  --yellow:      #F2B705;
  --yellow-600:  #D9A404;
  --green:       #2E9E5B;
  --green-50:    #E9F6EF;
  --ink:         #14222E;
  --gray:        #5A6B77;
  --gray-2:      #8A98A2;
  --line:        #E3EAEF;
  --bg:          #FFFFFF;
  --bg-soft:     #F4F8FB;
  --white:       #FFFFFF;
  --radius:      16px;
  --radius-sm:   12px;
  --radius-lg:   24px;
  --shadow-sm:   0 2px 10px rgba(16,58,87,0.06);
  --shadow:      0 14px 40px -16px rgba(16,58,87,0.22);
  --shadow-lg:   0 30px 70px -28px rgba(16,58,87,0.34);
  --maxw:        1180px;
  --pad-x:       22px;

  --font-display: "Sora", system-ui, sans-serif;
  --font-body:    "Plus Jakarta Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--blue);
  text-wrap: balance;
}
.yellow-text { color: var(--yellow-600); }
.green-text { color: var(--green); }

section { position: relative; }
.section-pad { padding: 84px 0; }
@media (max-width: 760px) { .section-pad { padding: 56px 0; } }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-100);
  padding: 8px 15px;
  border-radius: 100px;
}

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4.6vw, 44px); margin-top: 16px; }
.section-head p { color: var(--gray); font-size: clamp(16px, 2.2vw, 19px); margin-top: 14px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  border: none;
  border-radius: 100px;
  padding: 16px 26px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .25s ease, background .2s ease;
  white-space: nowrap;
}
.btn svg { width: 19px; height: 19px; }

.btn-primary {
  background: var(--yellow);
  color: var(--blue);
  box-shadow: 0 12px 28px -10px rgba(242,183,5,0.7);
}
.btn-primary:hover { background: var(--yellow-600); transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(242,183,5,0.8); }

.btn-ghost {
  background: var(--white);
  color: var(--blue);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--blue); transform: translateY(-2px); }

.btn-wa {
  background: #25b35a;
  color: #fff;
  box-shadow: 0 10px 26px -10px rgba(37,179,90,0.6);
}
.btn-wa:hover { background: #29c163; transform: translateY(-2px); }

.btn-block { width: 100%; }
.btn-lg { padding: 19px 30px; font-size: 17px; }

/* ============================================================
   Top promo bar
   ============================================================ */
.topbar {
  background: var(--blue);
  color: #fff;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 44px 10px 16px;
  position: relative;
}
.topbar b { color: var(--yellow); font-weight: 700; }
.topbar .close {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 26px; height: 26px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: grid; place-items: center;
}
.topbar .close:hover { background: rgba(255,255,255,0.3); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--blue);
  text-decoration: none;
}
.logo .mark {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  background: var(--blue);
}
.logo .mark svg { width: 22px; height: 22px; color: var(--yellow); }
.logo small { display: block; font-family: var(--font-body); font-size: 11px; font-weight: 500; color: var(--gray-2); letter-spacing: 0.02em; margin-top: 1px; }
.logo .lname { line-height: 1; }

.nav-cta { display: flex; align-items: center; gap: 12px; }
@media (max-width: 600px) { .nav-cta .btn-ghost { display: none; } }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background:
    radial-gradient(680px 420px at 88% -8%, rgba(242,183,5,0.12), transparent 60%),
    linear-gradient(180deg, var(--blue-50), var(--white));
  padding: 60px 0 72px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  grid-template-rows: auto 1fr;
  column-gap: 48px;
  row-gap: 0;
  align-items: start;
}
.hero-head { grid-column: 1; grid-row: 1; }
.hero-rest { grid-column: 1; grid-row: 2; align-self: start; }
.hero .form-card { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
.hero-head h1 { font-size: clamp(32px, 5vw, 54px); margin: 18px 0 0; }
.hero-rest .sub { color: var(--gray); font-size: clamp(16px, 2.2vw, 20px); max-width: 560px; margin-top: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 28px; }
.hero-trust {
  display: flex; align-items: center; gap: 14px;
  margin-top: 26px; flex-wrap: wrap;
}
.hero-trust .stars { display: flex; gap: 2px; }
.hero-trust .stars svg { width: 17px; height: 17px; color: var(--yellow); }
.hero-trust span { font-size: 14px; color: var(--gray); font-weight: 500; }

/* Form card */
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px 28px;
  box-shadow: var(--shadow-lg);
}
.form-card .fc-head { margin-bottom: 20px; }
.form-card .fc-head h3 { font-size: 23px; }
.form-card .fc-head p { color: var(--gray); font-size: 14.5px; margin-top: 6px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--blue); margin-bottom: 7px; }
.field input, .field select {
  width: 100%;
  height: 54px;
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 13px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 0 16px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  appearance: none;
}
.field input::placeholder { color: var(--gray-2); }
.field select { cursor: pointer; }
.field select:invalid { color: var(--gray-2); }
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px var(--blue-100);
}
.field.select-wrap { position: relative; }
.field.select-wrap::after {
  content: "";
  position: absolute; right: 18px; bottom: 22px;
  width: 9px; height: 9px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  pointer-events: none;
}
.form-card .btn { margin-top: 6px; }
.form-note { text-align: center; font-size: 12.5px; color: var(--gray-2); margin-top: 13px; }

/* ============================================================
   Credibility bar
   ============================================================ */
.cred { background: var(--blue); color: #fff; }
.cred-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 26px 0;
}
.cred-item { display: flex; align-items: center; gap: 12px; }
.cred-item .ic {
  flex: none;
  display: grid; place-items: center;
  width: 42px; height: 42px;
  border-radius: 11px;
  background: rgba(242,183,5,0.16);
  border: 1px solid rgba(242,183,5,0.4);
}
.cred-item .ic svg { width: 21px; height: 21px; color: var(--yellow); }
.cred-item span { font-size: 14.5px; color: #DCE8F0; font-weight: 500; line-height: 1.35; }

/* ============================================================
   Cards grid (Para quem é)
   ============================================================ */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ic-lg {
  display: grid; place-items: center;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--blue-50);
  margin-bottom: 20px;
}
.card .ic-lg svg { width: 28px; height: 28px; color: var(--blue); }
.card h3 { font-size: 21px; margin-bottom: 11px; }
.card p { color: var(--gray); font-size: 15.5px; }

/* ============================================================
   Problem → turn
   ============================================================ */
.problem { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.problem h2 { font-size: clamp(28px, 4.6vw, 42px); }
.problem .lead { color: var(--gray); font-size: clamp(16px, 2.2vw, 19px); margin: 22px 0 30px; }
.problem .lead b { color: var(--blue); font-weight: 600; }

/* ============================================================
   Why SR Lambert (image + 4 blocks)
   ============================================================ */
.why-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 48px; align-items: center; }
.why-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.why-blocks { display: grid; gap: 16px; }
.why-block { display: flex; gap: 16px; }
.why-block .ic {
  flex: none;
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--green-50);
}
.why-block .ic svg { width: 24px; height: 24px; color: var(--green); }
.why-block h4 { font-size: 18px; margin-bottom: 5px; }
.why-block p { color: var(--gray); font-size: 15px; }

/* ============================================================
   How it works — 4 steps
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px 26px;
  box-shadow: var(--shadow-sm);
}
.step .top { display: flex; align-items: center; gap: 13px; margin-bottom: 16px; }
.step .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  color: var(--yellow-600);
  line-height: 1;
}
.step .sun {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  background: rgba(242,183,5,0.14);
}
.step .sun svg { width: 22px; height: 22px; color: var(--yellow-600); }
.step h4 { font-size: 18px; margin-bottom: 9px; }
.step p { color: var(--gray); font-size: 14.5px; }

/* ============================================================
   Economy band
   ============================================================ */
.economy { background: var(--blue); color: #fff; overflow: hidden; }
.economy-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }
.economy h2 { color: #fff; font-size: clamp(28px, 4.4vw, 42px); }
.economy p { color: #CFE0EC; font-size: clamp(16px, 2.2vw, 19px); margin: 20px 0 30px; }
.economy .econ-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   Testimonials (blue cards)
   ============================================================ */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.quote .stars { display: flex; gap: 3px; margin-bottom: 16px; }
.quote .stars svg { width: 18px; height: 18px; color: var(--yellow); }
.quote p { color: #EAF2F8; font-size: 16px; line-height: 1.6; flex: 1; }
.quote .who { display: flex; align-items: center; gap: 11px; margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.16); }
.quote .who .av {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--yellow);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; color: var(--blue); font-size: 16px;
}
.quote .who .nm { font-size: 14px; font-weight: 600; color: #CFE0EC; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--blue);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  padding: 22px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-q .plus { flex: none; position: relative; width: 20px; height: 20px; }
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  background: var(--yellow-600); transition: transform .25s ease;
}
.faq-q .plus::before { width: 14px; height: 2px; transform: translate(-50%,-50%); }
.faq-q .plus::after { width: 2px; height: 14px; transform: translate(-50%,-50%); }
.faq-item.open .plus::after { transform: translate(-50%,-50%) scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { color: var(--gray); font-size: 15.5px; padding: 0 24px 22px; }

/* ============================================================
   Final CTA + form
   ============================================================ */
.final {
  background:
    radial-gradient(700px 420px at 15% 0%, rgba(242,183,5,0.1), transparent 60%),
    var(--bg-soft);
  border-top: 1px solid var(--line);
}
.final-grid { display: grid; grid-template-columns: 1fr 0.85fr; gap: 54px; align-items: center; }
.final h2 { font-size: clamp(30px, 5vw, 48px); }
.final p { color: var(--gray); font-size: clamp(16px, 2.3vw, 20px); margin-top: 18px; max-width: 480px; }
.final ul { list-style: none; margin-top: 28px; display: grid; gap: 13px; }
.final li { display: flex; align-items: center; gap: 12px; font-size: 16px; color: var(--ink); }
.final li .ck { flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--green-50); }
.final li .ck svg { width: 15px; height: 15px; color: var(--green); }

/* ============================================================
   Trust badge
   ============================================================ */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 10px 16px;
  box-shadow: var(--shadow-sm);
}
.trust-badge .shield { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--green-50); }
.trust-badge .shield svg { width: 18px; height: 18px; color: var(--green); }
.trust-badge .t { line-height: 1.2; }
.trust-badge .t small { display: block; font-size: 10.5px; color: var(--gray-2); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.trust-badge .t b { font-family: var(--font-display); font-size: 14px; color: var(--blue); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--blue); color: #CFE0EC; padding: 50px 0 130px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 30px; align-items: start; }
.site-footer .logo { color: #fff; margin-bottom: 14px; }
.site-footer .logo .mark { background: var(--yellow); }
.site-footer .logo .mark svg { color: var(--blue); }
.site-footer .logo small { color: #9DB6C7; }
.footer-tag { font-size: 15px; max-width: 380px; }
.footer-contact { display: grid; gap: 11px; }
.footer-contact a, .footer-contact span { display: flex; align-items: center; gap: 10px; color: #CFE0EC; font-size: 15px; text-decoration: none; }
.footer-contact a:hover { color: var(--yellow); }
.footer-contact svg { width: 17px; height: 17px; color: var(--yellow); flex: none; }
.footer-bottom { margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.14); color: #9DB6C7; font-size: 13.5px; }

/* ============================================================
   Sticky / floating WhatsApp
   ============================================================ */
.wa-float {
  position: fixed;
  right: 22px; bottom: 26px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  background: #25b35a;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 15px 20px;
  border-radius: 100px;
  text-decoration: none;
  box-shadow: 0 16px 40px -10px rgba(37,179,90,0.6);
  transition: transform .2s ease;
}
.wa-float:hover { transform: translateY(-3px) scale(1.02); }
.wa-float svg { width: 23px; height: 23px; }

.wa-sticky {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 200;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding: 11px 14px calc(11px + env(safe-area-inset-bottom));
  gap: 10px;
  box-shadow: 0 -8px 30px -12px rgba(16,58,87,0.2);
}
.wa-sticky .btn { flex: 1; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid, .problem-grid, .why-grid, .economy-grid, .final-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero-grid { column-gap: 0; row-gap: 28px; }
  .hero-head, .hero-rest, .hero .form-card { grid-column: 1; grid-row: auto; }
  .hero .form-card { align-self: stretch; }
  .why-grid .why-photo, .economy-grid .econ-photo { order: -1; }
  .cred-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; }
  .cards-3, .quotes { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  :root { --pad-x: 18px; }
  .wa-float { display: none; }
  .wa-sticky { display: flex; }
  .site-footer { padding-bottom: 110px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  .hero { padding: 40px 0 52px; }
}
@media (max-width: 460px) {
  .steps { grid-template-columns: 1fr; }
  .cred-grid { grid-template-columns: 1fr; }
}