:root {
  --bg: #fffcf8;
  --surface: #ffffff;
  --surface-soft: #fff6ec;
  --text: #232842;
  --muted: #68708a;
  --line: #f2dfcd;
  --primary: #f4a261;
  --accent: #ffd9b8;
  --success: #de8f4f;
  --radius: 16px;
  --shadow: 0 10px 28px rgba(31, 42, 120, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(246, 248, 255, 0.88);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 12px;
}
.logo { font-weight: 800; letter-spacing: 0.2px; font-size: 1.08rem; }
.logo span {
  color: var(--primary);
}

.nav { display: flex; gap: 10px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  padding: 11px 16px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 8px 20px rgba(120, 138, 220, 0.22);
}
.btn-secondary {
  border-color: #d6dcff;
  color: #2d3562;
  background: #fff;
}
.btn-ghost {
  border-color: #ccd5ff;
  background: transparent;
  color: #3d4aa2;
}

section { padding: 50px 0; }
h1 {
  font-size: clamp(2rem, 4.2vw, 3.35rem);
  line-height: 1.1;
  margin: 0 0 12px;
}
h2 {
  font-size: clamp(1.45rem, 2.7vw, 2.2rem);
  margin: 0 0 10px;
}
h3 { margin: 0 0 8px; }
p {
  margin: 0 0 12px;
  line-height: 1.62;
  color: var(--muted);
}

.card,
.card-soft {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card { padding: 20px; }
.card-soft { padding: 18px; }

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: stretch;
}
.hero-section { padding-top: 8px; padding-bottom: 12px; }
.eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5364da;
  font-weight: 700;
}
.lead { font-size: 1.06rem; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 4px; }

.list-check {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 9px;
}
.list-check li {
  position: relative;
  padding-left: 26px;
  color: #353f6a;
}
.list-check li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: -1px;
  font-weight: 800;
  color: var(--success);
}

.kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}
.kpi {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid #d7deff;
  background: #f9faff;
}
.kpi strong {
  display: block;
  margin-bottom: 3px;
  font-size: 1rem;
  color: #b68762;
}
.kpi span { font-size: 0.83rem; color: #5c678a; }

.hero-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
}
.media-tile {
  min-height: 190px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}
.media-tile.big { grid-column: 1 / span 2; min-height: 260px; }
.media-overlay {
  position: absolute;
  inset: auto 0 0;
  background: rgba(20, 28, 56, 0.68);
  color: #fff;
  padding: 16px;
}
.media-overlay h3 { margin: 0 0 4px; color: #fff; }
.media-overlay p { margin: 0; color: rgba(255, 255, 255, 0.9); font-size: 0.92rem; }

.hero-form-wrap {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 16px;
  align-items: start;
}
.highlight-card { background: #f8faff; }

.power-choices {
  padding-top: 24px;
}
.choices-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr;
  gap: 12px;
}
.choice-card {
  min-height: 380px;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}
.choice-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 18px;
  background: rgba(16, 24, 50, 0.78);
  color: #fff;
}
.choice-overlay h3 {
  margin: 0 0 6px;
  color: #fff;
  font-size: 1.9rem;
}
.choice-overlay p {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 42ch;
}
.choice-overlay a {
  font-weight: 700;
  text-decoration: none;
  color: #fff;
}

.solar-details h2 {
  margin-top: 26px;
}
.solar-grid {
  margin-bottom: 10px;
}
.roi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.roi-card .icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid #d7deff;
  background: #eff3ff;
  margin-bottom: 8px;
}
.quote {
  color: #3f4c79;
  font-style: italic;
}
.quote .small {
  display: block;
  margin-top: 8px;
  font-style: normal;
}

input, select, textarea {
  width: 100%;
  border: 1px solid #ced8ff;
  border-radius: 10px;
  background: #fff;
  color: #1f284d;
  padding: 10px 12px;
  margin: 7px 0;
  font: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #86a2ff;
  box-shadow: 0 0 0 3px rgba(124, 140, 245, 0.15);
}
label {
  display: block;
  margin-top: 6px;
  font-size: 0.92rem;
  color: #41508b;
}
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 2px;
}
.checkbox-row input {
  width: auto;
  margin-top: 3px;
}
.form-feedback { min-height: 1.2em; font-size: 0.85rem; color: #cf3e52; margin-bottom: 4px; }
.notice { font-size: 0.85rem; color: #65719b; margin-top: 8px; }
.small { font-size: 0.88rem; color: #6975a0; }
[aria-invalid="true"] { border-color: #ef476f; box-shadow: 0 0 0 2px rgba(239, 71, 111, 0.14); }
button[disabled] { opacity: 0.75; cursor: not-allowed; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
.step-card span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-card p { margin-bottom: 0; font-size: 0.93rem; }

.cta-final {
  background: #f7f9ff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-final-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  align-items: center;
}
.contact-card p { margin: 0 0 8px; }

.footer {
  padding-top: 28px;
  padding-bottom: 84px;
  color: #7380ad;
}

.sticky-cta {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 55;
}

.hp-field {
  position: absolute !important;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 1050px) {
  .hero,
  .hero-form-wrap,
  .cta-final-inner,
  .choices-grid,
  .roi-grid {
    grid-template-columns: 1fr;
  }
  .choice-card { min-height: 310px; }
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .nav .btn-secondary { display: none; }
  .kpis { grid-template-columns: 1fr; }
  .hero-media { grid-template-columns: 1fr; grid-template-rows: auto; }
  .media-tile.big { grid-column: auto; }
  .steps-grid { grid-template-columns: 1fr; }
  .choice-card { min-height: 260px; }
  .choice-overlay h3 { font-size: 1.55rem; }
  .sticky-cta { display: inline-flex; }
}

.solar-detail-card { overflow: hidden; }
.solar-shot { width: calc(100% + 40px); margin: -20px -20px 14px; height: 170px; object-fit: cover; border-bottom: 1px solid #dbe3ff; }
.roi-card .icon { background: #f6f8ff; border-color: #dbe3ff; }
.kpi strong { color: #b96a3a; }