:root {
  --navy-950: #071927;
  --navy-900: #0b2234;
  --navy-800: #102f48;
  --navy-700: #1d4560;
  --gold-500: #e8b650;
  --gold-400: #f2c96d;
  --gold-200: #f9e7b4;
  --cream: #fbf8f0;
  --paper: #ffffff;
  --ink: #142635;
  --muted: #607181;
  --line: #dfe5e8;
  --shadow: 0 20px 60px rgba(6, 26, 40, 0.13);
  --radius-lg: 28px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 6.4rem);
  font-weight: 760;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2.2rem, 4.8vw, 4.35rem);
  font-weight: 740;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
}

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

.section {
  padding: 120px 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--navy-950);
  background: var(--gold-400);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--gold-400);
  outline-offset: 4px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: #8c6720;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 32px;
  height: 2px;
  content: "";
  background: var(--gold-500);
}

.eyebrow-light {
  color: var(--gold-400);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  color: #fff;
  background: rgba(7, 25, 39, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 25, 39, 0.96);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: block;
  width: 192px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.91rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 150ms ease;
}

.main-nav a:hover {
  color: var(--gold-400);
}

.main-nav .nav-cta {
  padding: 11px 18px;
  color: var(--navy-950);
  background: var(--gold-400);
  border-radius: 999px;
}

.main-nav .nav-cta:hover {
  color: var(--navy-950);
  background: #ffdc86;
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  padding: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  color: inherit;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
}

.menu-button span:not(.sr-only) {
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-button[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 850px;
  padding: 190px 0 150px;
  overflow: hidden;
  color: #fff;
  background: var(--navy-950);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  background-image: url("assets/hero-solar-industrial.png");
  background-position: center;
  background-size: cover;
  transform: scale(1.015);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(6, 23, 35, 0.95) 0%, rgba(6, 23, 35, 0.78) 48%, rgba(6, 23, 35, 0.22) 100%),
    linear-gradient(0deg, rgba(6, 23, 35, 0.72) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.79);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  font-weight: 760;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary {
  color: var(--navy-950);
  background: var(--gold-400);
}

.button-primary:hover {
  background: #ffdc86;
}

.button-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.36);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.65);
}

.trust-bar {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(11, 34, 52, 0.91);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 0;
  border-radius: 24px 24px 0 0;
  backdrop-filter: blur(16px);
}

.trust-bar div {
  padding: 26px 30px;
}

.trust-bar div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}

.trust-bar strong,
.trust-bar span {
  display: block;
}

.trust-bar strong {
  margin-bottom: 4px;
  color: var(--gold-400);
  font-size: 0.95rem;
}

.trust-bar span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.88rem;
}

.benefits {
  background: var(--cream);
}

.section-heading {
  max-width: 810px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-heading .eyebrow {
  justify-content: center;
}

.section-heading > p:last-child {
  max-width: 680px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading-left {
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.section-heading-left .eyebrow {
  justify-content: flex-start;
}

.section-heading-left > p:last-child {
  margin-left: 0;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.benefit-card {
  min-height: 285px;
  padding: 32px 28px;
  background: var(--paper);
  border: 1px solid rgba(16, 47, 72, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(12, 37, 55, 0.05);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.benefit-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 48px;
  place-items: center;
  color: var(--navy-900);
  background: var(--gold-400);
  border-radius: 16px;
  font-size: 1.85rem;
  font-weight: 800;
}

.benefit-icon-small {
  font-size: 1rem;
}

.benefit-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.results-note {
  margin: 28px 0 0;
  color: #788590;
  font-size: 0.78rem;
  text-align: center;
}

.solutions {
  color: #fff;
  background:
    radial-gradient(circle at 80% 18%, rgba(232, 182, 80, 0.16), transparent 25%),
    var(--navy-900);
}

.solution-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 80px;
  align-items: center;
}

.solution-copy > p:not(.eyebrow) {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
}

.check-list {
  display: grid;
  margin: 34px 0 0;
  padding: 0;
  gap: 12px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: rgba(255, 255, 255, 0.86);
}

.check-list li::before {
  position: absolute;
  top: 0.42em;
  left: 0;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  color: var(--navy-950);
  background: var(--gold-400);
  border-radius: 50%;
  content: "✓";
  font-size: 0.7rem;
  font-weight: 900;
}

.audience-grid {
  display: grid;
  min-height: 620px;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.audience-card {
  position: relative;
  display: flex;
  padding: 32px;
  overflow: hidden;
  align-items: flex-end;
  background: var(--navy-800);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-lg);
}

.audience-card::before,
.audience-card::after {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.audience-card::before {
  top: -70px;
  right: -80px;
  width: 260px;
  height: 260px;
  border: 42px solid rgba(255, 255, 255, 0.06);
}

.audience-card::after {
  top: 125px;
  right: -10px;
  width: 80px;
  height: 80px;
  background: var(--gold-400);
  box-shadow: 0 0 70px rgba(242, 201, 109, 0.4);
}

.audience-home {
  transform: none;
}

.audience-business {
  background: linear-gradient(160deg, #244b64, #102f48 65%);
}

.audience-card > div,
.card-number {
  position: relative;
  z-index: 2;
}

.card-number {
  position: absolute;
  top: 28px;
  left: 30px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.card-kicker {
  margin-bottom: 10px;
  color: var(--gold-400);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.audience-card h3 {
  font-size: 2rem;
}

.audience-card p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.process {
  background: #fff;
}

.process .section-heading {
  max-width: 720px;
}

.process-grid {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  list-style: none;
  counter-reset: steps;
}

.process-grid li {
  position: relative;
  min-height: 265px;
  padding: 34px 32px 28px;
  border-top: 2px solid var(--gold-500);
}

.process-grid li + li {
  border-left: 1px solid var(--line);
}

.process-grid span {
  display: block;
  margin-bottom: 64px;
  color: var(--gold-500);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.process-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.statement {
  padding: 100px 0;
  color: #fff;
  background: var(--gold-500);
}

.statement-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.statement p {
  max-width: 920px;
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(2rem, 5vw, 4.7rem);
  font-weight: 760;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.statement span {
  flex: 0 0 auto;
  color: rgba(7, 25, 39, 0.65);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.faq {
  background: var(--cream);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 90px;
}

.faq-heading {
  position: sticky;
  top: 130px;
  align-self: start;
}

.text-link {
  display: inline-flex;
  margin-top: 28px;
  align-items: center;
  gap: 14px;
  color: var(--navy-800);
  font-weight: 760;
  text-decoration: none;
}

.text-link span {
  color: var(--gold-500);
  font-size: 1.4rem;
  transition: transform 150ms ease;
}

.text-link:hover span {
  transform: translateX(5px);
}

.faq-list {
  border-top: 1px solid #cfd7dc;
}

.faq-list details {
  border-bottom: 1px solid #cfd7dc;
}

.faq-list summary {
  position: relative;
  padding: 26px 56px 26px 0;
  cursor: pointer;
  font-size: 1.08rem;
  font-weight: 730;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 21px;
  right: 0;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--navy-900);
  background: var(--gold-200);
  border-radius: 50%;
  content: "+";
  font-size: 1.35rem;
  transition: transform 160ms ease;
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 680px;
  margin: -4px 56px 24px 0;
  color: var(--muted);
}

.contact {
  padding: 0 0 90px;
  background: var(--cream);
}

.contact-card {
  display: grid;
  padding: 66px;
  grid-template-columns: 1fr 0.75fr;
  gap: 70px;
  align-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 100% 0, rgba(232, 182, 80, 0.28), transparent 33%),
    var(--navy-900);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.contact-card h2 {
  max-width: 720px;
  margin-bottom: 18px;
}

.contact-card > div:first-child > p:last-child {
  max-width: 650px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.contact-actions {
  display: grid;
  gap: 12px;
}

.contact-link {
  display: block;
  padding: 20px 22px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  transition: background 150ms ease, border-color 150ms ease;
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(242, 201, 109, 0.6);
}

.contact-link span,
.contact-link strong {
  display: block;
}

.contact-link span {
  margin-bottom: 2px;
  color: var(--gold-400);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-link strong {
  overflow-wrap: anywhere;
  font-size: 1.02rem;
}

.site-footer {
  padding: 48px 0;
  color: rgba(255, 255, 255, 0.6);
  background: var(--navy-950);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 36px;
}

.footer-brand {
  width: 160px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.86rem;
}

@media (max-width: 1020px) {
  .main-nav {
    gap: 19px;
  }

  .main-nav a {
    font-size: 0.84rem;
  }

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

  .solution-layout,
  .faq-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .solution-layout,
  .faq-layout {
    gap: 60px;
  }

  .faq-heading {
    position: static;
  }

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

  .process-grid li:nth-child(3) {
    border-left: 0;
  }

  .contact-card {
    gap: 34px;
  }
}

@media (max-width: 820px) {
  .section {
    padding: 90px 0;
  }

  .menu-button {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 82px;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    padding: 36px 20px;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    color: #fff;
    background: rgba(7, 25, 39, 0.99);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 170ms ease, transform 170ms ease;
  }

  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .main-nav a {
    padding: 17px 4px;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav .nav-cta {
    margin-top: 24px;
    padding: 15px 20px;
    text-align: center;
    border-bottom: 0;
  }

  .hero {
    min-height: 860px;
    padding-top: 160px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(6, 23, 35, 0.92), rgba(6, 23, 35, 0.58)),
      linear-gradient(0deg, rgba(6, 23, 35, 0.86), transparent 55%);
  }

  .trust-bar {
    grid-template-columns: 1fr;
  }

  .trust-bar div {
    padding: 14px 22px;
  }

  .trust-bar div + div {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 0;
  }

  .trust-bar span {
    display: none;
  }

  .statement-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .statement-inner {
    display: flex;
  }

  .footer-inner {
    display: flex;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

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

  .brand {
    width: 154px;
  }

  .main-nav {
    top: 74px;
  }

  .hero {
    min-height: 900px;
    padding-top: 138px;
  }

  h1 {
    font-size: clamp(2.75rem, 14vw, 4.3rem);
  }

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

  .benefit-grid,
  .audience-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .benefit-card {
    min-height: auto;
  }

  .benefit-icon {
    margin-bottom: 34px;
  }

  .audience-grid {
    min-height: auto;
  }

  .audience-card {
    min-height: 430px;
  }

  .audience-home {
    transform: none;
  }

  .process-grid li + li,
  .process-grid li:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .process-grid li:first-child {
    border-top: 2px solid var(--gold-500);
  }

  .process-grid li {
    min-height: auto;
    padding: 30px 16px;
  }

  .process-grid span {
    margin-bottom: 34px;
  }

  .statement {
    padding: 76px 0;
  }

  .faq-list summary {
    padding-right: 48px;
  }

  .faq-list details p {
    margin-right: 0;
  }

  .contact-card {
    width: 100%;
    padding: 58px 22px;
    border-radius: 0;
  }

  .contact {
    padding-bottom: 0;
  }
}

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

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