/* Heliosyne — Solar Energy */
:root {
  --ink: #0c1a14;
  --ink-soft: #1a2e24;
  --forest: #1e4d38;
  --leaf: #2d7a52;
  --sun: #e4b84a;
  --sun-bright: #f0c84a;
  --lime: #b8d44a;
  --lime-soft: #d4e87a;
  --sand: #f3efe6;
  --cream: #faf8f3;
  --muted: #5c6b63;
  --line: rgba(12, 26, 20, 0.1);
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(12, 26, 20, 0.12);
  --radius: 4px;
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 80px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  font-size: 1.05rem;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.container-wide {
  width: min(1400px, calc(100% - 2rem));
  margin-inline: auto;
}

/* Typography */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--leaf);
}

h1,
h2,
h3,
.display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--muted);
  max-width: 36rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.6rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease),
    color 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--sun-bright);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--lime-soft);
  box-shadow: 0 12px 30px rgba(240, 200, 74, 0.35);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

.btn-ghost:hover {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}

.btn-dark {
  background: var(--ink);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--forest);
}

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--white);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease);
}

.site-header.is-scrolled,
.site-header.theme-light {
  background: rgba(250, 248, 243, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.site-header.is-scrolled .nav-link,
.site-header.theme-light .nav-link {
  color: var(--ink) !important;
}

.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.is-active,
.site-header.theme-light .nav-link:hover,
.site-header.theme-light .nav-link.is-active {
  color: var(--leaf) !important;
}

.site-header.theme-light .header-phone,
.site-header.is-scrolled .header-phone {
  color: var(--ink);
  border-color: var(--line);
}

.site-header.theme-light .logo-light,
.site-header.is-scrolled .logo-light {
  opacity: 0;
  visibility: hidden;
}

.site-header.theme-light .logo-dark,
.site-header.is-scrolled .logo-dark {
  opacity: 1;
  visibility: visible;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  position: relative;
  display: block;
  width: 160px;
  height: 48px;
  flex-shrink: 0;
}

.brand img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}

.logo-dark {
  opacity: 0;
  visibility: hidden;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.25s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--sun-bright);
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.header-phone:hover {
  background: rgba(255, 255, 255, 0.1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s ease;
}

.site-header.theme-light .menu-toggle,
.site-header.is-scrolled .menu-toggle {
  color: var(--ink);
  border-color: var(--line);
}

.site-header:not(.theme-light):not(.is-scrolled) .menu-toggle {
  color: var(--white);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 18s var(--ease) forwards;
}

@keyframes heroZoom {
  to {
    transform: scale(1);
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12, 26, 20, 0.45) 0%, rgba(12, 26, 20, 0.25) 40%, rgba(12, 26, 20, 0.82) 100%),
    linear-gradient(90deg, rgba(12, 26, 20, 0.55) 0%, transparent 55%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: calc(var(--header-h) + 4rem) 0 4.5rem;
  width: min(1180px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 10vw, 7.5rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.92;
  margin-bottom: 1.1rem;
  background: linear-gradient(120deg, #fff 40%, var(--sun-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: 1rem;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.82);
}

.hero-scroll {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.hero-scroll::before {
  content: "";
  width: 1px;
  height: 48px;
  background: linear-gradient(transparent, var(--sun-bright));
  animation: scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scaleY(0.7);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* Page hero (inner) */
.page-hero {
  position: relative;
  min-height: 48vh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}

.page-hero-tall {
  min-height: 58vh;
}

.page-hero .hero-media,
.page-hero .hero-overlay {
  position: absolute;
  inset: 0;
}

.page-hero .hero-overlay {
  background: linear-gradient(180deg, rgba(12, 26, 20, 0.4), rgba(12, 26, 20, 0.78));
}

.page-hero-content {
  position: relative;
  z-index: 2;
  padding: calc(var(--header-h) + 3rem) 0 3rem;
}

.page-hero-tall .page-hero-content {
  padding-bottom: 6.75rem;
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

/* Sections */
.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-head {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
  max-width: 40rem;
}

.section-head.centered {
  text-align: center;
  margin-inline: auto;
}

.section-sand {
  background: var(--sand);
}

.section-ink {
  background: var(--ink);
  color: var(--white);
}

.section-ink .lead,
.section-ink .muted {
  color: rgba(255, 255, 255, 0.72);
}

.section-ink .eyebrow {
  color: var(--lime-soft);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* Services / pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pillar {
  padding: 2rem 1.75rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.4s var(--ease);
}

.pillar:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.pillar-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  background: linear-gradient(145deg, var(--sand), #e8f0c8);
  border-radius: var(--radius);
  color: var(--forest);
}

.pillar h3 {
  margin-bottom: 0.65rem;
}

.pillar p {
  color: var(--muted);
  font-size: 0.98rem;
}

/* Split */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.split-media {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.split-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 40%;
  background: linear-gradient(transparent, rgba(12, 26, 20, 0.55));
}

.split-badge {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  z-index: 2;
  padding: 0.85rem 1.1rem;
  background: var(--sun-bright);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius);
}

.split-copy .eyebrow {
  margin-bottom: 0.75rem;
  display: block;
}

.split-copy h2 {
  margin-bottom: 1rem;
}

.split-copy p + p {
  margin-top: 0.9rem;
}

.split-copy p {
  color: var(--muted);
}

.check-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.check-list svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: var(--leaf);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.stat {
  padding: 1.35rem 1.1rem;
  border-top: 2px solid var(--lime);
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.section-ink .stat-value {
  color: var(--sun-bright);
}

.stat-label {
  margin-top: 0.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.section-ink .stat-label {
  color: rgba(255, 255, 255, 0.65);
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: 1.75rem 1.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
}

.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sun-bright);
}

.process-step h3 {
  margin-bottom: 0.55rem;
  font-size: 1.2rem;
}

.process-step p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
}

/* Product grid */
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
  margin-bottom: 2.75rem;
  padding: 1.15rem 0 1.35rem;
}

.tab-btn {
  padding: 0.85rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.tab-btn.is-active,
.tab-btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.product-visual {
  aspect-ratio: 4 / 5;
  background: #f7f8f4;
  display: grid;
  place-items: center;
  padding: 0;
  overflow: hidden;
}

.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.product-card:hover .product-visual img {
  transform: scale(1.04);
}

.product-body {
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 1.15rem 1.2rem 1.35rem;
  border-top: 1px solid var(--line);
}

.product-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.product-spec {
  color: var(--muted);
  font-size: 0.9rem;
}

.product-tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--leaf);
}

.product-meta {
  display: grid;
  gap: 0.3rem;
  margin: 0.65rem 0 1rem;
}

.product-meta li {
  position: relative;
  padding-left: 0.85rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.product-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
}

.product-actions {
  margin-top: auto;
}

.btn-sm {
  padding: 0.6rem 0.95rem;
  font-size: 0.84rem;
  width: 100%;
}

.product-grid-dense {
  grid-template-columns: repeat(4, 1fr);
}

.product-visual-brand {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 5;
  padding: 1.5rem;
  background:
    linear-gradient(160deg, rgba(30, 77, 56, 0.92), rgba(12, 26, 20, 0.95)),
    var(--ink);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.product-visual-brand::before {
  content: attr(data-brand);
  position: absolute;
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 800;
  opacity: 0.08;
  letter-spacing: -0.04em;
}

.product-visual-brand span {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 0.5rem;
}

.product-intro h2 {
  margin-top: 0.4rem;
}

.product-filter-bar {
  display: flex;
  align-items: center;
  min-height: 96px;
  padding: 1.5rem 0;
  margin: 2rem 0 2.75rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-filter-bar .product-tabs {
  margin: 0;
  padding: 0.5rem 0;
  gap: 0.75rem;
  width: 100%;
}

.product-filter-bar .tab-btn {
  padding: 0.95rem 1.5rem;
}

.product-card.is-hidden {
  display: none;
}

.catalogue-block {
  scroll-margin-top: 110px;
}

.bundle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.bundle-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.85rem 1.6rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.bundle-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.bundle-card h3 {
  font-size: 1.25rem;
}

.bundle-card > p {
  color: var(--muted);
  font-size: 0.98rem;
}

.bundle-card .text-link {
  margin-top: auto;
}

.product-tabs a.tab-btn {
  text-decoration: none;
}

.product-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}

.product-card-link .product-body {
  flex: 1;
}

.product-card-link .btn-sm {
  pointer-events: none;
}

.product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 1.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.product-breadcrumb a:hover {
  color: var(--leaf);
}

.product-detail {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  margin-bottom: 2.5rem;
}

.product-detail-media {
  background: linear-gradient(180deg, #f7f5ef, #eef2e6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow: hidden;
}

.product-detail-media img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  margin-inline: auto;
}

.product-detail-copy h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0.35rem 0 0.5rem;
}

.product-detail-spec {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--leaf);
  margin-bottom: 1rem;
}

.product-info-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.product-info-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
}

.product-info-card h2 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.product-info-card p {
  color: var(--muted);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 0.95rem;
}

.spec-table th {
  width: 42%;
  color: var(--muted);
  font-weight: 600;
}

.spec-table td {
  color: var(--ink);
  font-weight: 600;
}

.related-products {
  padding-top: 1rem;
}

@media (max-width: 980px) {
  .product-detail,
  .product-info-grid {
    grid-template-columns: 1fr;
  }
}

/* Contact page extras */
.contact-overlap {
  padding-top: 0.75rem;
  margin-top: -2.75rem;
  position: relative;
  z-index: 3;
  padding-bottom: 2.5rem;
}

.quick-contact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 0;
}

.quick-card {
  display: grid;
  gap: 0.45rem;
  padding: 2.4rem 1.5rem 2.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(12, 26, 20, 0.08);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s ease;
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.quick-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-top: 0.15rem;
  margin-bottom: 0.85rem;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--sand), #e8f0c8);
  color: var(--forest);
}

.quick-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leaf);
}

.quick-card strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.quick-card span:last-child {
  font-size: 0.88rem;
  color: var(--muted);
}

.bring-box {
  margin-top: 1.75rem;
  padding: 1.65rem 1.55rem 1.7rem;
  background: linear-gradient(160deg, #f7f4ec 0%, #eef3e0 100%);
  border-radius: var(--radius);
  border: 1px solid rgba(45, 122, 82, 0.12);
  border-left: 3px solid var(--sun-bright);
}

.bring-box h3 {
  font-size: 1.05rem;
  margin-bottom: 0.85rem;
}

.bring-list {
  margin-top: 0;
  gap: 0.85rem;
}

.contact-item .text-link {
  display: inline-block;
  margin-top: 0.55rem;
  font-size: 0.9rem;
}

.area-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.area-chip {
  padding: 0.7rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.map-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

@media (max-width: 980px) {
  .quick-contact,
  .map-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .quick-contact,
  .map-layout {
    grid-template-columns: 1fr;
  }
}

/* CTA banner */
.cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: clamp(2.5rem, 5vw, 4rem);
  background:
    linear-gradient(115deg, rgba(12, 26, 20, 0.92), rgba(30, 77, 56, 0.85)),
    url("../assets/images/hero-roof.webp") center / cover;
  color: var(--white);
}

.cta-banner h2 {
  max-width: 16ch;
  margin: 0.75rem 0 1rem;
}

.cta-banner .lead {
  color: rgba(255, 255, 255, 0.78);
}

/* Contact */
.section-contact-main {
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(2rem, 4vw, 3.75rem);
  align-items: start;
}

.contact-aside-head {
  margin-bottom: 1.85rem;
}

.contact-details {
  display: grid;
  gap: 0.9rem;
}

.contact-item-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.contact-item {
  display: flex;
  gap: 0.95rem;
  align-items: flex-start;
  padding: 1.55rem 1.35rem 1.6rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(12, 26, 20, 0.04);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.contact-item:hover {
  border-color: rgba(45, 122, 82, 0.28);
  box-shadow: 0 12px 28px rgba(12, 26, 20, 0.07);
}

.contact-item-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: calc(var(--radius) - 2px);
  background: linear-gradient(145deg, var(--sand), #e8f0c8);
  color: var(--forest);
}

.contact-item-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leaf);
}

.contact-item a {
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

.contact-item a:hover,
.contact-item p {
  color: var(--ink);
}

.contact-item p {
  margin: 0;
  line-height: 1.45;
}

.contact-form {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(1.85rem, 3.5vw, 2.6rem);
  box-shadow: 0 18px 48px rgba(12, 26, 20, 0.07);
}

.contact-form-head {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.contact-form-head h3 {
  margin: 0.55rem 0 0.55rem;
  font-size: clamp(1.35rem, 2.5vw, 1.6rem);
}

.contact-form-lead {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 36ch;
}

.form-honey {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  pointer-events: none;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--ink);
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--leaf);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(45, 122, 82, 0.15);
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit-btn {
  width: 100%;
  margin-top: 0.35rem;
  min-height: 3.15rem;
}

.form-submit-btn.is-loading {
  opacity: 0.75;
  pointer-events: none;
}

.form-note {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.form-success,
.form-error {
  display: none;
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 600;
  line-height: 1.45;
}

.form-success {
  background: #e8f5e9;
  color: var(--forest);
  border: 1px solid rgba(45, 122, 82, 0.2);
}

.form-error {
  background: #fdecea;
  color: #8a1f1a;
  border: 1px solid rgba(180, 40, 30, 0.18);
}

.form-success.is-visible,
.form-error.is-visible {
  display: block;
}

@media (max-width: 720px) {
  .contact-item-row {
    grid-template-columns: 1fr;
  }
}

.map-embed {
  margin-top: 2.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 320px;
  background: var(--sand);
}

.map-embed iframe {
  width: 100%;
  height: 360px;
  border: 0;
  filter: grayscale(0.25) contrast(1.05);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
  padding: 4rem 0 1.75rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
  width: 150px;
  margin-bottom: 1rem;
}

.footer-brand p {
  max-width: 28ch;
  font-size: 0.95rem;
}

.footer-col h4 {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.footer-col a,
.footer-col p {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--sun-bright);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  font-size: 0.88rem;
}

/* Header CTA */
.header-cta {
  padding: 0.65rem 1.15rem;
  font-size: 0.88rem;
  flex-shrink: 0;
}

.site-header:not(.theme-light):not(.is-scrolled) .header-cta {
  box-shadow: 0 8px 24px rgba(240, 200, 74, 0.25);
}

/* Trust bar */
.trust-bar {
  background: var(--ink);
  color: var(--white);
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.trust-item {
  display: grid;
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--sun-bright);
}

.trust-item strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.trust-item span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
}

.pillars-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Solutions */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.solution-card {
  padding: 2rem 1.75rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.solution-num {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--leaf);
}

.solution-card h3 {
  margin: 0;
}

.solution-card > p {
  color: var(--muted);
  font-size: 0.98rem;
  flex: 1;
}

.mini-list {
  display: grid;
  gap: 0.45rem;
  margin: 0.25rem 0 0.5rem;
}

.mini-list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sun-bright);
}

.text-link {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--forest);
  margin-top: auto;
  transition: color 0.25s ease;
}

.text-link:hover {
  color: var(--leaf);
}

/* Savings calculator */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.calc-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow);
}

.calc-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.calc-input {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.calc-input:focus {
  border-color: var(--leaf);
  box-shadow: 0 0 0 3px rgba(45, 122, 82, 0.15);
}

.calc-results {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.calc-result {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.calc-result span {
  color: var(--muted);
  font-size: 0.92rem;
}

.calc-result strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.calc-note {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

/* Projects */
.section-systems {
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5rem);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-top: 0.5rem;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(12, 26, 20, 0.1);
  border-color: transparent;
}

.project-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.project-visual {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--sand);
}

.project-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.project-card:hover .project-visual img {
  transform: scale(1.06);
}

.project-badge {
  position: absolute;
  top: 0.95rem;
  left: 0.95rem;
  min-width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  padding: 0 0.55rem;
  border-radius: 999px;
  background: rgba(12, 26, 20, 0.82);
  color: var(--lime-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}

.project-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.55rem 1.45rem 1.65rem;
}

.project-body h3 {
  margin: 0.4rem 0 0.65rem;
  font-size: 1.28rem;
}

.project-body p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 1rem;
}

.project-meta {
  display: block;
  margin-top: auto;
  margin-bottom: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.project-body .text-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--leaf);
}

.project-card:hover .text-link {
  color: var(--forest);
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.testimonial {
  margin: 0;
  padding: 1.85rem 1.6rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-top: 3px solid var(--sun-bright);
}

.testimonial p {
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 1.35rem;
}

.testimonial footer {
  display: grid;
  gap: 0.15rem;
}

.testimonial strong {
  font-family: var(--font-display);
  font-size: 1rem;
}

.testimonial span {
  font-size: 0.88rem;
  color: var(--muted);
}

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 0.65rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 1.25rem;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sand);
  color: var(--forest);
  font-size: 1.15rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: background 0.25s ease, transform 0.25s ease;
}

.faq-item[open] summary::after {
  content: "–";
  background: var(--sun-bright);
}

.faq-item p {
  padding: 0 0 1.2rem;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 52ch;
}

/* About page extras */
.mission-box {
  margin-top: 1.5rem;
  padding: 1.25rem 1.35rem;
  background: var(--sand);
  border-left: 3px solid var(--sun-bright);
  border-radius: var(--radius);
}

.mission-box h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.mission-box p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.value-card {
  padding: 1.6rem 1.35rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
  color: var(--sun-bright);
}

.value-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.audience-card {
  padding: 1.85rem 1.6rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.audience-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.audience-card h3 {
  margin-bottom: 0.65rem;
}

.audience-card > p {
  color: var(--muted);
  font-size: 0.98rem;
  margin-bottom: 1rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
  position: relative;
}

.timeline-item {
  padding: 1.6rem 1.35rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-top: 3px solid var(--leaf);
}

.timeline-year {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leaf);
}

.timeline-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.timeline-item p {
  color: var(--muted);
  font-size: 0.95rem;
}

.about-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.about-step {
  padding: 1.75rem 1.4rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.about-step span {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--leaf);
}

.about-step h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.about-step p {
  color: var(--muted);
  font-size: 0.95rem;
}

.split-reverse {
  direction: rtl;
}

.split-reverse > * {
  direction: ltr;
}

.page-hero .lead {
  max-width: 36rem;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s var(--ease);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

.nav-cta-mobile {
  display: none;
}

@media (max-width: 820px) {
  .nav-cta-mobile {
    display: block;
    margin-top: 1rem;
    padding: 0.9rem 1rem !important;
    text-align: center;
    background: var(--sun-bright);
    border: none !important;
    border-radius: var(--radius);
    color: var(--ink) !important;
  }
}

@media (max-width: 1100px) {
  .pillars-4,
  .value-grid,
  .timeline,
  .about-process {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 980px) {
  .pillars,
  .process,
  .product-grid,
  .product-grid-dense,
  .stats,
  .solution-grid,
  .project-grid,
  .testimonial-grid,
  .trust-bar-inner,
  .audience-grid,
  .bundle-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .contact-grid,
  .footer-grid,
  .calc-layout,
  .faq-layout,
  .product-intro {
    grid-template-columns: 1fr;
  }

  .split-media {
    min-height: 320px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .menu-toggle {
    display: flex;
    position: relative;
    z-index: 2;
  }

  .header-phone,
  .header-cta {
    display: none;
  }

  .site-header.menu-open {
    z-index: 130;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 86vw);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 5.5rem 1.5rem 2rem;
    background: var(--cream);
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.15);
    transform: translateX(105%);
    transition: transform 0.4s var(--ease);
    z-index: 2;
    pointer-events: auto;
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
  }

  .nav.is-open {
    transform: none;
  }

  .nav-link {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink) !important;
    font-size: 1rem;
    -webkit-tap-highlight-color: rgba(45, 122, 82, 0.15);
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(12, 26, 20, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 95;
  }

  .nav-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .hero-scroll {
    display: none;
  }

  .hero-content {
    padding-bottom: 3rem;
  }
}

@media (max-width: 560px) {
  .pillars,
  .pillars-4,
  .process,
  .product-grid,
  .product-grid-dense,
  .stats,
  .solution-grid,
  .project-grid,
  .testimonial-grid,
  .trust-bar-inner,
  .audience-grid,
  .value-grid,
  .timeline,
  .about-process,
  .bundle-grid {
    grid-template-columns: 1fr;
  }

  .brand {
    width: 130px;
  }

  .cta-group {
    flex-direction: column;
  }

  .cta-group .btn {
    width: 100%;
  }

  .trust-item {
    border-left: none;
    padding-left: 0;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .trust-bar-inner .trust-item:first-child {
    border-top: none;
    padding-top: 0;
  }
}