:root {
  --bg: #eff5f8;
  --bg-deep: #dce8ee;
  --ink: #0f2432;
  --ink-soft: #355264;
  --primary: #0d6b82;
  --primary-deep: #09495b;
  --secondary: #f4b24e;
  --secondary-deep: #d8870f;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: rgba(255, 255, 255, 0.95);
  --line: rgba(15, 36, 50, 0.14);
  --line-strong: rgba(15, 36, 50, 0.24);
  --shadow-sm: 0 10px 28px rgba(9, 34, 47, 0.08);
  --shadow-lg: 0 28px 62px rgba(9, 34, 47, 0.2);
  --radius-xl: 1.6rem;
  --radius-lg: 1.2rem;
  --radius-md: 0.9rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 7% 10%, rgba(244, 178, 78, 0.2), transparent 30%),
    radial-gradient(circle at 90% 6%, rgba(13, 107, 130, 0.18), transparent 34%),
    linear-gradient(165deg, var(--bg) 0%, var(--bg-deep) 100%);
  min-height: 100vh;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  pointer-events: none;
}

body::before {
  left: -20vw;
  bottom: -30vw;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(13, 107, 130, 0.18), transparent 74%);
}

body::after {
  right: -14vw;
  top: -16vw;
  width: 46vw;
  height: 46vw;
  background: radial-gradient(circle, rgba(244, 178, 78, 0.2), transparent 74%);
}

.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 90;
  width: min(1180px, 92vw);
  margin: 0 auto;
  padding: 0.68rem 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: linear-gradient(128deg, rgba(249, 252, 254, 0.9), rgba(231, 241, 246, 0.78));
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.brand {
  color: var(--primary-deep);
  text-decoration: none;
  font-family: "Fraunces", serif;
  font-size: clamp(0.98rem, 2vw, 1.24rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.brand:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

nav {
  display: flex;
  align-items: center;
  gap: 0.32rem;
}

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.83rem;
  font-weight: 700;
  padding: 0.42rem 0.62rem;
  border-radius: 999px;
  transition: all 0.2s var(--ease);
}

nav a:hover,
nav a.active {
  color: var(--ink);
  background: linear-gradient(135deg, rgba(13, 107, 130, 0.2), rgba(244, 178, 78, 0.2));
}

.menu-toggle {
  display: none;
  width: 2.45rem;
  height: 2.2rem;
  border-radius: 0.66rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.24rem;
  cursor: pointer;
}

.menu-toggle span {
  width: 1.08rem;
  height: 2px;
  background: var(--primary-deep);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.site-header.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-header.menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

main {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.hero {
  margin-top: 1.5rem;
  min-height: 86vh;
  border-radius: var(--radius-xl);
  padding: clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  align-items: end;
  gap: 1rem;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  box-shadow: var(--shadow-lg);
  background-image:
    linear-gradient(125deg, rgba(3, 28, 38, 0.85) 0%, rgba(13, 107, 130, 0.66) 55%, rgba(244, 178, 78, 0.28) 100%),
    url("assets/hero-solar-premium.jpg");
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 84% 18%, rgba(255, 224, 165, 0.34), transparent 34%),
    linear-gradient(103deg, transparent 25%, rgba(255, 255, 255, 0.11) 52%, transparent 84%);
}

.hero-inner,
.hero-badges {
  position: relative;
  z-index: 1;
}

.hero-inner {
  padding: clamp(1rem, 3vw, 1.9rem);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.43);
  background: linear-gradient(142deg, rgba(255, 255, 255, 0.95), rgba(240, 248, 251, 0.9));
  box-shadow: 0 20px 46px rgba(2, 16, 23, 0.2);
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--primary);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  line-height: 1.13;
}

h1 {
  max-width: 18ch;
  font-size: clamp(2rem, 5.7vw, 4.1rem);
}

.lead {
  margin: 0.95rem 0 0;
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.hero-actions {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.cta {
  text-decoration: none;
  color: #fff;
  background: linear-gradient(130deg, var(--primary), var(--primary-deep));
  border-radius: 999px;
  padding: 0.76rem 1.12rem;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(9, 73, 91, 0.34);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 33px rgba(9, 73, 91, 0.42);
}

.cta-alt {
  color: #5b3500;
  background: linear-gradient(130deg, #ffd092, var(--secondary));
  box-shadow: 0 12px 28px rgba(216, 135, 15, 0.28);
}

.hero-badges {
  align-self: stretch;
  display: grid;
  gap: 0.62rem;
  align-content: end;
}

.hero-badges p {
  margin: 0;
  padding: 0.7rem 0.82rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(8, 36, 46, 0.42);
  color: #ecf7fb;
  backdrop-filter: blur(6px);
  font-size: 0.84rem;
  font-weight: 700;
  text-align: center;
}

.section {
  padding: clamp(2.3rem, 5vw, 4.5rem) 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-head h2 {
  font-size: clamp(1.56rem, 4.4vw, 2.65rem);
}

.section-head p {
  margin: 0;
  max-width: 56ch;
  color: var(--ink-soft);
}

.impact-strip {
  margin-top: 1.15rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.82rem;
}

.impact-card {
  padding: 1.02rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.impact-number {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--primary-deep);
}

.impact-card p:last-child {
  margin: 0.34rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.service-columns,
.reasons-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.reason-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow-sm);
  padding: 1rem;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.reason-card:hover {
  transform: translateY(-4px);
  border-color: rgba(13, 107, 130, 0.35);
  box-shadow: var(--shadow-lg);
}

.reason-card h3 {
  color: var(--primary-deep);
  margin-bottom: 0.4rem;
}

.reason-card p {
  margin: 0;
  color: var(--ink-soft);
}

.reasons-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.card,
.video-card,
.contact-card,
.timeline-step,
.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.service-card:hover,
.card:hover,
.video-card:hover,
.contact-card:hover,
.timeline-step:hover,
.faq-item:hover {
  transform: translateY(-4px);
  border-color: rgba(13, 107, 130, 0.35);
  box-shadow: var(--shadow-lg);
}

.service-card,
.contact-card {
  padding: 1.08rem;
}

.service-card h3,
.contact-card h3 {
  margin-bottom: 0.45rem;
  color: var(--primary-deep);
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.62rem;
}

.service-list li {
  position: relative;
  padding-left: 1.2rem;
  color: #2b4a5c;
}

.service-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--secondary-deep);
  font-weight: 700;
}

.grid {
  display: grid;
  gap: 1rem;
}

.media-grid {
  grid-template-columns: repeat(12, 1fr);
}

.card {
  grid-column: span 4;
  overflow: hidden;
}

.card.wide {
  grid-column: span 8;
}

.card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform 0.42s var(--ease), filter 0.32s var(--ease);
}

.card:hover img {
  transform: scale(1.04);
  filter: saturate(1.07);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.timeline-step {
  padding: 1rem;
  position: relative;
}

.timeline-step::before {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  top: 0.7rem;
  height: 2px;
  background: linear-gradient(90deg, rgba(13, 107, 130, 0.55), rgba(244, 178, 78, 0.6));
}

.timeline-step h3 {
  margin-top: 0.45rem;
  color: var(--primary-deep);
}

.timeline-step p {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
}

.video-grid {
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
}

.video-card {
  padding: 0.72rem;
}

.video-card video {
  width: 100%;
  display: block;
  border-radius: 0.74rem;
  background: #deebf0;
}

.video-card h3 {
  margin-top: 0.64rem;
  font-size: 1.03rem;
}

.faq-list {
  display: grid;
  gap: 0.72rem;
}

.faq-item {
  padding: 0.45rem;
}

.faq-trigger {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0.6rem;
  border-radius: 0.6rem;
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--ink);
  cursor: pointer;
}

.faq-trigger:hover {
  background: rgba(13, 107, 130, 0.08);
}

.faq-content {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s var(--ease), opacity 0.28s var(--ease), padding 0.28s var(--ease);
  opacity: 0;
  color: var(--ink-soft);
  padding: 0 0.6rem;
}

.faq-item.open .faq-content {
  max-height: 160px;
  opacity: 1;
  padding: 0 0.6rem 0.65rem;
}

.quote-band {
  margin: 0.4rem 0 0.7rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.34);
  background:
    radial-gradient(circle at 16% 20%, rgba(255, 213, 148, 0.3), transparent 44%),
    linear-gradient(128deg, #083547, #0d6b82 58%, #1f8ba7 100%);
  box-shadow: var(--shadow-lg);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.quote-band p {
  margin: 0;
  font-weight: 700;
}

.quote-band .cta {
  color: #5b3300;
  background: linear-gradient(130deg, #ffd5a0, var(--secondary));
  box-shadow: none;
}

.contact-wrap {
  border-top: 1px solid var(--line);
}

.contact-card p {
  margin: 0.44rem 0 0;
  color: var(--ink-soft);
}

.contact-card a {
  color: var(--primary);
  text-decoration: none;
}

.contact-card a:hover {
  text-decoration: underline;
}

.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 85;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(130deg, #11a86b, #0c8b58);
  border-radius: 999px;
  padding: 0.8rem 1.05rem;
  font-size: 0.84rem;
  font-weight: 800;
  box-shadow: 0 16px 30px rgba(10, 92, 60, 0.34);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(10, 92, 60, 0.4);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.3rem 4vw 2rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.68s var(--ease), transform 0.68s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--secondary-deep);
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .hero {
    min-height: 72vh;
    grid-template-columns: 1fr;
  }

  .hero-badges {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-content: start;
  }

  .impact-strip,
  .timeline,
  .reasons-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-columns,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card,
  .card.wide {
    grid-column: auto;
  }
}

@media (max-width: 700px) {
  .site-header {
    border-radius: 0.95rem;
    top: 0.42rem;
    flex-wrap: wrap;
    gap: 0.42rem;
  }

  .menu-toggle {
    display: inline-flex;
  }

  nav {
    width: 100%;
    display: grid;
    gap: 0.34rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: max-height 0.28s var(--ease), opacity 0.2s var(--ease), transform 0.2s var(--ease);
    background: rgba(247, 251, 253, 0.95);
    border: 1px solid transparent;
    border-radius: 0.72rem;
    padding: 0 0.3rem;
  }

  .site-header.menu-open nav {
    max-height: 380px;
    opacity: 1;
    transform: translateY(0);
    border-color: var(--line);
    padding: 0.42rem 0.3rem;
  }

  nav a {
    padding: 0.46rem 0.56rem;
    border-radius: 0.58rem;
  }

  .hero {
    min-height: 64vh;
    border-radius: 1rem;
    padding: 0.85rem;
  }

  .hero-inner {
    border-radius: 0.9rem;
  }

  .hero-badges,
  .impact-strip,
  .timeline,
  .reasons-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }

  .quote-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .whatsapp-float {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}