:root {
  --ink: #080a0d;
  --ink-soft: #101318;
  --panel: #15191f;
  --panel-2: #1a1f26;
  --gold: #ffc400;
  --gold-light: #ffdc52;
  --gold-dark: #a87c00;
  --white: #ffffff;
  --paper: #f3f4f5;
  --paper-warm: #ecebe7;
  --text: #111318;
  --muted: #adb1b8;
  --muted-dark: #626771;
  --line: rgba(255, 255, 255, 0.13);
  --line-dark: rgba(8, 10, 13, 0.15);
  --radius: 14px;
  --container: 1180px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--white);
  background: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

svg {
  display: block;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--gold);
  font-weight: 850;
  text-decoration: none;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.is-scrolled,
.site-header.menu-active {
  background: rgba(8, 10, 13, 0.93);
  border-color: rgba(255, 255, 255, 0.09);
  box-shadow: 0 10px 38px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
  line-height: 1;
}

.brand-logo {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 5px 12px rgba(0, 0, 0, 0.28));
}

.brand-copy {
  display: grid;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.brand-copy strong {
  font-size: 0.87rem;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--gold);
  font-size: 0.6rem;
  letter-spacing: 0.27em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(15px, 1.7vw, 26px);
  margin-left: auto;
}

.desktop-nav a {
  position: relative;
  color: #d2d4d8;
  font-size: 0.78rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 0.2s ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 1px;
  background: var(--gold);
  transition: right 0.25s ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--gold);
}

.desktop-nav a:hover::after {
  right: 0;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 22px;
  border: 1px solid var(--gold);
  border-radius: 7px;
  color: var(--ink);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  box-shadow: 0 10px 30px rgba(255, 196, 0, 0.13);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(255, 196, 0, 0.23);
}

.button:active {
  transform: translateY(0);
}

.button:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 4px;
}

.section-light a:focus-visible {
  outline-color: var(--ink);
}

.button-small {
  min-height: 42px;
  padding-inline: 16px;
  font-size: 0.65rem;
}

.button-ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.025);
  border-color: rgba(255, 255, 255, 0.26);
  box-shadow: none;
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  box-shadow: none;
}

.button-dark {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.button-dark:hover {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  margin-left: auto;
  padding: 10px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 7px;
  cursor: pointer;
}

.menu-toggle span {
  width: 21px;
  height: 1.5px;
  display: block;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.menu-toggle span + span {
  margin-top: 5px;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-menu {
  position: absolute;
  inset: 100% 0 auto;
  height: calc(100vh - 74px);
  display: none;
  visibility: hidden;
  opacity: 0;
  overflow-y: auto;
  background: rgba(8, 10, 13, 0.985);
  transform: translateY(-10px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}

.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
  transform: none;
}

.mobile-menu-inner {
  width: min(calc(100% - 40px), 560px);
  margin-inline: auto;
  padding: 34px 0 44px;
}

.mobile-menu-inner > p {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.mobile-menu-inner > a:not(.button) {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
}

.mobile-menu-inner > a span {
  color: var(--gold);
  font-size: 0.65rem;
  font-weight: 800;
}

.mobile-menu-inner .button {
  width: 100%;
  margin-top: 28px;
}

.hero {
  min-height: 790px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 170px 0 34px;
  background: var(--ink);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, #080a0d 0%, rgba(8, 10, 13, 0.96) 32%, rgba(8, 10, 13, 0.48) 61%, rgba(8, 10, 13, 0.12) 100%), linear-gradient(0deg, rgba(8, 10, 13, 0.94) 0%, transparent 28%);
}

.hero-media {
  position: absolute;
  inset: 0 0 0 36%;
  z-index: -3;
  background: url("/assets/images/hero-r7-solar.webp") center right / cover no-repeat;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.16;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, black 0%, transparent 64%);
}

.hero-layout {
  min-height: 510px;
  display: grid;
  grid-template-columns: 1fr 0.48fr;
  align-items: center;
  gap: 80px;
}

.hero-copy {
  max-width: 690px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.2em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 34px;
  height: 2px;
  flex: 0 0 auto;
  background: currentColor;
}

.eyebrow-dark {
  color: #836400;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(3.45rem, 6vw, 5.75rem);
  font-weight: 850;
  letter-spacing: -0.067em;
  line-height: 0.96;
}

.hero h1 em {
  display: block;
  color: transparent;
  font-style: normal;
  -webkit-text-stroke: 1.35px var(--gold);
}

.hero-lead {
  max-width: 600px;
  margin: 30px 0 10px;
  color: #eff1f4;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  font-weight: 650;
  line-height: 1.5;
}

.hero-text {
  max-width: 590px;
  margin: 0;
  color: #b8bbc1;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 34px;
}

.quick-contact {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 18px 0 0;
  color: #c5c8ce;
  font-size: 0.82rem;
}

.quick-contact span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #44d77d;
  box-shadow: 0 0 0 5px rgba(68, 215, 125, 0.1);
}

.hero-service-tag {
  width: 260px;
  align-self: end;
  justify-self: end;
  position: relative;
  margin-bottom: 20px;
  padding: 28px;
  color: var(--white);
  background: rgba(13, 16, 20, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.hero-service-tag:hover {
  border-color: rgba(255, 196, 0, 0.68);
  transform: translateY(-4px);
}

.tag-index {
  position: absolute;
  top: 20px;
  right: 22px;
  color: rgba(255, 255, 255, 0.23);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.tag-label {
  display: block;
  margin: 42px 0 10px;
  color: var(--gold);
  font-size: 0.67rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-service-tag strong {
  display: block;
  font-size: 1.45rem;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.tag-action {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  color: #d3d5d9;
  font-size: 0.78rem;
}

.tag-action i {
  color: var(--gold);
  font-style: normal;
}

.hero-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  color: #a4a8af;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-foot i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold);
}

.section-light {
  color: var(--text);
  background: var(--paper);
}

.solar-section,
.services-section,
.difference-section,
.work-section,
.conversion-section {
  padding: 120px 0;
}

.section-heading {
  margin-bottom: 58px;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 90px;
  align-items: end;
}

.section-heading h2,
.difference-intro h2,
.work-panel h2,
.conversion-content h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.55rem, 4.9vw, 4.65rem);
  font-weight: 830;
  letter-spacing: -0.062em;
  line-height: 1.02;
}

.section-heading h2 strong,
.difference-intro h2 strong,
.work-panel h2 strong,
.conversion-content h2 strong {
  color: transparent;
  font-weight: inherit;
  -webkit-text-stroke: 1.15px currentColor;
}

.section-light .section-heading h2 strong,
.work-panel h2 strong {
  color: var(--gold-dark);
  -webkit-text-stroke: 0;
}

.heading-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}

.note-number {
  color: var(--gold-dark);
  font-size: 0.72rem;
  font-weight: 850;
}

.heading-note p {
  margin: 0;
  color: var(--muted-dark);
}

.solar-feature {
  min-height: 470px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  overflow: hidden;
  margin-bottom: 28px;
  background: var(--ink);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 30px 80px rgba(8, 10, 13, 0.13);
}

.solar-feature-copy {
  padding: clamp(36px, 6vw, 70px);
  color: var(--white);
}

.kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.solar-feature-copy h3 {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.solar-feature-copy > p:not(.kicker) {
  margin: 22px 0;
  color: var(--muted);
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 32px;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 11px;
  color: #e2e4e7;
  font-size: 0.9rem;
}

.check-list span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--ink);
  background: var(--gold);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 900;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
  transition: gap 0.2s ease, color 0.2s ease;
}

.text-link:hover {
  gap: 24px;
  color: var(--gold-light);
}

.solar-diagram {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 420px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 78% 20%, rgba(255, 196, 0, 0.15), transparent 31%), linear-gradient(145deg, #171b21, #0b0e12);
}

.solar-diagram::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.44;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 46px 46px;
}

.solar-diagram::after {
  content: "";
  position: absolute;
  width: 78%;
  height: 38%;
  left: 11%;
  bottom: 2%;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.38);
  filter: blur(34px);
  transform: perspective(400px) rotateX(68deg);
  z-index: -1;
}

.solar-visual-image {
  width: min(96%, 640px);
  height: auto;
  position: relative;
  z-index: 1;
  display: block;
  filter: drop-shadow(0 26px 30px rgba(0, 0, 0, 0.36));
  transform: translateY(18px);
}

.solar-label {
  position: absolute;
  z-index: 2;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #d9dce0;
  background: rgba(8, 10, 13, 0.82);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.solar-label-light {
  top: 30px;
  left: 30px;
  color: var(--gold-light);
  border-color: rgba(255, 196, 0, 0.35);
}

.solar-label-clean {
  right: 30px;
  bottom: 24px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
}

.benefit-card {
  min-height: 285px;
  position: relative;
  padding: 32px;
  background: #fff;
  transition: background 0.25s ease, transform 0.25s ease;
}

.benefit-card:hover {
  background: #fffdf4;
}

.benefit-card .card-index {
  position: absolute;
  top: 20px;
  right: 22px;
  color: #afb2b7;
  font-size: 0.66rem;
  font-weight: 800;
}

.icon {
  width: 28px;
  height: 28px;
  color: currentColor;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.benefit-card > .icon {
  width: 48px;
  height: 48px;
  margin: 4px 0 42px;
  padding: 10px;
  color: var(--gold-dark);
  background: rgba(255, 196, 0, 0.1);
  border: 1px solid rgba(168, 124, 0, 0.24);
  border-radius: 10px;
  box-shadow: inset 0 0 20px rgba(255, 196, 0, 0.06);
}

.benefit-card h3,
.service-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.benefit-card p,
.service-card p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 0.9rem;
  line-height: 1.6;
}

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

.heading-row {
  display: grid;
  grid-template-columns: 1.25fr 0.6fr;
  gap: 90px;
  align-items: end;
}

.heading-row > p {
  max-width: 360px;
  margin: 0 0 8px;
  color: var(--muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.service-card {
  min-height: 290px;
  position: relative;
  padding: 30px;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: auto 30px 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  background: var(--panel-2);
  border-color: rgba(255, 196, 0, 0.34);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-card > .icon,
.service-top .icon {
  width: 48px;
  height: 48px;
  margin-bottom: 50px;
  padding: 10px;
  color: var(--gold);
  background: rgba(255, 196, 0, 0.07);
  border: 1px solid rgba(255, 196, 0, 0.2);
  border-radius: 10px;
  box-shadow: inset 0 0 22px rgba(255, 196, 0, 0.045);
}

.service-card h3 {
  color: var(--white);
  font-size: 1.12rem;
}

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

.service-card-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, #231e0d, #171a1f 65%);
  border-color: rgba(255, 196, 0, 0.3);
}

.service-card-featured h3 {
  max-width: 420px;
  font-size: 1.55rem;
}

.service-card-featured p {
  max-width: 500px;
}

.service-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
}

.service-top span {
  padding: 6px 9px;
  color: var(--gold);
  border: 1px solid rgba(255, 196, 0, 0.35);
  border-radius: 4px;
  font-size: 0.62rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.services-cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.services-cta p {
  margin: 0;
  color: var(--muted);
}

.difference-section {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  background: var(--gold);
}

.difference-section::before {
  content: "R7";
  position: absolute;
  right: -50px;
  bottom: -215px;
  color: rgba(8, 10, 13, 0.07);
  font-size: 30rem;
  font-style: italic;
  font-weight: 950;
  line-height: 1;
  letter-spacing: -0.12em;
}

.difference-layout {
  position: relative;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 100px;
}

.difference-intro {
  align-self: center;
}

.difference-intro .eyebrow {
  color: var(--ink);
}

.difference-intro h2 strong {
  -webkit-text-stroke-color: var(--ink);
}

.difference-intro > p:not(.eyebrow) {
  max-width: 480px;
  margin: 25px 0 32px;
  color: rgba(8, 10, 13, 0.7);
}

.difference-list {
  border-top: 1px solid rgba(8, 10, 13, 0.25);
}

.difference-list article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 22px;
  padding: 25px 0;
  border-bottom: 1px solid rgba(8, 10, 13, 0.25);
}

.difference-list article > span {
  font-size: 0.68rem;
  font-weight: 850;
}

.difference-list h3 {
  margin: 0 0 4px;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}

.difference-list p {
  margin: 0;
  color: rgba(8, 10, 13, 0.67);
}

.work-section {
  padding-top: 40px;
}

.work-panel {
  padding: clamp(30px, 6vw, 68px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: #e9eaeb;
}

.work-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.55fr);
  column-gap: clamp(40px, 8vw, 110px);
  align-items: end;
  margin-bottom: clamp(32px, 5vw, 58px);
}

.work-intro > .eyebrow {
  grid-column: 1 / -1;
}

.work-panel h2 {
  max-width: 600px;
  font-size: clamp(2.2rem, 4vw, 3.65rem);
}

.work-context {
  padding-top: 20px;
  border-top: 1px solid rgba(8, 10, 13, 0.2);
}

.work-context > p {
  margin: 0 0 20px;
  color: var(--muted-dark);
  line-height: 1.65;
}

.work-proof {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.work-proof i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold-dark);
  box-shadow: 0 0 0 5px rgba(168, 124, 0, 0.12);
}

.work-gallery {
  display: grid;
  grid-template-columns: 1.25fr 0.7fr 0.7fr;
  gap: 14px;
}

.work-photo {
  min-width: 0;
  height: clamp(340px, 35vw, 470px);
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  background: #11151a;
  box-shadow: 0 18px 45px rgba(8, 10, 13, 0.16);
}

.work-photo::after {
  content: "";
  position: absolute;
  inset: 38% 0 0;
  background: linear-gradient(transparent, rgba(3, 5, 7, 0.88));
  pointer-events: none;
}

.work-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.work-photo:hover img {
  transform: scale(1.025);
}

.work-photo figcaption {
  position: absolute;
  right: 20px;
  bottom: 18px;
  left: 20px;
  z-index: 1;
  display: grid;
  gap: 3px;
  color: var(--white);
}

.work-photo figcaption strong {
  font-size: 0.88rem;
  letter-spacing: -0.01em;
}

.work-photo figcaption span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.conversion-section {
  min-height: 610px;
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
  background: radial-gradient(circle at 50% 125%, rgba(255, 196, 0, 0.2), transparent 40%), var(--ink);
}

.conversion-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.23;
  background-image: linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(circle, black, transparent 68%);
}

.conversion-glow {
  position: absolute;
  z-index: -1;
  width: 630px;
  height: 630px;
  border: 1px solid rgba(255, 196, 0, 0.14);
  border-radius: 50%;
  box-shadow: inset 0 0 100px rgba(255, 196, 0, 0.025);
}

.conversion-glow::before {
  content: "";
  position: absolute;
  inset: 90px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.conversion-content {
  display: grid;
  justify-items: center;
}

.conversion-content .eyebrow {
  justify-content: center;
}

.conversion-content h2 {
  max-width: 860px;
}

.conversion-content h2 strong {
  display: block;
  color: var(--gold);
  -webkit-text-stroke: 0;
}

.conversion-content > p:not(.eyebrow) {
  max-width: 620px;
  margin: 24px auto 32px;
  color: var(--muted);
}

.button-large {
  min-height: 60px;
  padding-inline: 30px;
  font-size: 0.82rem;
}

.button-large .whatsapp-icon {
  width: 23px;
  height: 23px;
  display: block;
}

.conversion-content small {
  display: block;
  margin-top: 15px;
  color: #868b94;
}

.site-footer {
  padding: 70px 0 24px;
  background: #050608;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 0.65fr 0.75fr;
  gap: 70px;
  padding-bottom: 60px;
}

.footer-brand > p {
  max-width: 350px;
  margin: 20px 0 0;
  color: #8d929b;
  font-size: 0.88rem;
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
}

.footer-links > p,
.footer-contact > p {
  margin: 0 0 11px;
  color: var(--gold);
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-links a,
.footer-contact a,
.footer-contact > span {
  color: #c0c3c9;
  font-size: 0.85rem;
  text-decoration: none;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--white);
}

.footer-contact > span {
  color: #777c84;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: #777c84;
  font-size: 0.73rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  text-decoration: none;
}

.floating-whatsapp {
  width: 58px;
  height: 58px;
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: grid;
  place-items: center;
  color: var(--white);
  background: #25d366;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.36), 0 0 0 8px rgba(53, 210, 111, 0.09);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-whatsapp:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.42), 0 0 0 10px rgba(53, 210, 111, 0.1);
}

.floating-whatsapp img {
  width: 30px;
  height: 30px;
  display: block;
  filter: brightness(0) invert(1);
}

.floating-whatsapp::before {
  content: attr(data-tooltip);
  position: absolute;
  right: 68px;
  width: max-content;
  padding: 7px 10px;
  color: var(--white);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 0.68rem;
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.floating-whatsapp:hover::before,
.floating-whatsapp:focus-visible::before {
  opacity: 1;
  transform: none;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.error-page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: radial-gradient(circle at 70% 30%, rgba(255, 196, 0, 0.1), transparent 35%), var(--ink);
}

.error-header {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.error-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.error-main {
  display: grid;
  place-items: center;
  padding: 80px 0;
  text-align: center;
}

.error-content {
  max-width: 720px;
}

.error-code {
  display: block;
  color: var(--gold);
  font-size: clamp(6rem, 24vw, 14rem);
  font-weight: 950;
  letter-spacing: -0.1em;
  line-height: 0.8;
  opacity: 0.18;
}

.error-content h1 {
  margin: -35px 0 14px;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.error-content p {
  max-width: 520px;
  margin: 0 auto 30px;
  color: var(--muted);
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.error-footer {
  padding: 22px 0;
  color: #757a82;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 0.73rem;
}

@media (max-width: 1080px) {
  .desktop-nav {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }

  .menu-toggle {
    display: grid;
    margin-left: 0;
  }

  .mobile-menu {
    display: block;
  }

  .hero-layout {
    grid-template-columns: 1fr 0.4fr;
    gap: 30px;
  }

  .hero-service-tag {
    width: 230px;
  }

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

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

  .service-card-featured {
    grid-column: span 2;
  }

  .difference-layout {
    gap: 60px;
  }
}

@media (max-width: 820px) {
  .hero {
    min-height: 850px;
  }

  .hero::before {
    background: linear-gradient(90deg, #080a0d 0%, rgba(8, 10, 13, 0.9) 55%, rgba(8, 10, 13, 0.25) 100%), linear-gradient(0deg, #080a0d 0%, rgba(8, 10, 13, 0.1) 60%);
  }

  .hero-media {
    inset: 0 0 0 20%;
    background-position: 59% center;
    opacity: 0.78;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 620px;
  }

  .hero-service-tag {
    display: none;
  }

  .split-heading,
  .heading-row,
  .difference-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .work-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .solar-feature {
    grid-template-columns: 1fr;
  }

  .solar-diagram {
    min-height: 380px;
  }

  .solar-visual-image {
    width: min(94%, 620px);
  }

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

  .difference-intro {
    max-width: 650px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .site-header,
  .site-header.is-scrolled {
    background: rgba(8, 10, 13, 0.93);
    backdrop-filter: blur(14px);
  }

  .header-inner {
    min-height: 74px;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    margin-left: auto;
  }

  .hero {
    min-height: 840px;
    padding: 122px 0 27px;
  }

  .hero::before {
    background: linear-gradient(0deg, #080a0d 0%, rgba(8, 10, 13, 0.73) 64%, rgba(8, 10, 13, 0.48) 100%);
  }

  .hero-media {
    inset: 0 0 0 -48%;
    background-position: 73% center;
    opacity: 0.54;
  }

  .hero-layout {
    min-height: 620px;
    align-items: end;
  }

  .hero-copy {
    padding-bottom: 18px;
  }

  .eyebrow {
    margin-bottom: 18px;
    font-size: 0.64rem;
    letter-spacing: 0.16em;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 17vw, 4.9rem);
    line-height: 0.92;
  }

  .hero-lead {
    margin-top: 25px;
    font-size: 1.04rem;
  }

  .hero-text {
    font-size: 0.92rem;
  }

  .hero-actions {
    flex-direction: column;
    margin-top: 26px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .quick-contact {
    justify-content: center;
  }

  .hero-foot {
    justify-content: center;
    gap: 10px;
    padding-top: 22px;
    font-size: 0.57rem;
    letter-spacing: 0.14em;
  }

  .solar-section,
  .services-section,
  .difference-section,
  .work-section,
  .conversion-section {
    padding: 84px 0;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2,
  .difference-intro h2,
  .work-panel h2,
  .conversion-content h2 {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
    line-height: 1.02;
  }

  .split-heading,
  .heading-row,
  .difference-layout {
    gap: 30px;
  }

  .heading-note {
    gap: 14px;
  }

  .solar-feature {
    margin-bottom: 16px;
  }

  .solar-feature-copy {
    padding: 32px 25px 38px;
  }

  .solar-feature-copy h3 {
    font-size: 2rem;
  }

  .solar-diagram {
    min-height: 300px;
  }

  .solar-visual-image {
    width: 106%;
    max-width: none;
    transform: translateY(13px);
  }

  .solar-label {
    padding: 6px 8px;
    font-size: 0.58rem;
  }

  .solar-label-light {
    top: 18px;
    left: 18px;
  }

  .solar-label-clean {
    right: 18px;
    bottom: 16px;
  }

  .benefits-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .benefit-card,
  .service-card {
    min-height: 245px;
    padding: 26px;
  }

  .benefit-card > .icon,
  .service-card > .icon,
  .service-top .icon {
    margin-bottom: 40px;
  }

  .service-card-featured {
    grid-column: auto;
  }

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

  .services-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .difference-section::before {
    right: -45px;
    bottom: -80px;
    font-size: 15rem;
  }

  .difference-list article {
    grid-template-columns: 38px 1fr;
    gap: 12px;
  }

  .work-section {
    padding-top: 12px;
  }

  .work-panel {
    padding: 28px 22px;
  }

  .work-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .work-photo {
    height: auto;
    aspect-ratio: 3 / 4;
    border-radius: 9px;
  }

  .work-photo-main {
    grid-column: 1 / -1;
    aspect-ratio: 4 / 3;
  }

  .work-photo figcaption {
    right: 13px;
    bottom: 12px;
    left: 13px;
  }

  .work-photo figcaption strong {
    font-size: 0.76rem;
  }

  .work-photo figcaption span {
    font-size: 0.6rem;
  }

  .conversion-section {
    min-height: 580px;
  }

  .conversion-glow {
    width: 490px;
    height: 490px;
  }

  .button-large {
    width: 100%;
  }

  .footer-main,
  .footer-bottom {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
    gap: 34px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    gap: 10px;
  }

  .floating-whatsapp {
    width: 52px;
    height: 52px;
    right: 14px;
    bottom: max(14px, env(safe-area-inset-bottom));
  }

  .floating-whatsapp img {
    width: 27px;
    height: 27px;
  }

  .floating-whatsapp::before {
    display: none;
  }

  .error-header .button-small {
    display: none;
  }

  .error-actions {
    flex-direction: column;
  }

  .error-actions .button {
    width: 100%;
  }
}

@media (max-width: 360px) {
  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand-copy strong {
    font-size: 0.74rem;
  }

  .brand-copy small {
    font-size: 0.51rem;
    letter-spacing: 0.2em;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .floating-whatsapp {
    width: 48px;
    height: 48px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
  }

  .floating-whatsapp img {
    width: 25px;
    height: 25px;
  }

  .hero-foot span {
    font-size: 0.52rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}