/* Shared by English and Hindi. Change brand colours here. */
:root {
  --blue: #0056a6;
  --ink: #12324d;
  --text: #4c6070;
  --green: #397b20;
  --gold: #f5a51a;
  --line: #dde5e9;
  --wash: #f3f7f2;
  --paper: #fff;
  font-family: Arial, "Nirmala UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
::selection { background: #dceccb; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 600; }
h1 { font-size: clamp(40px, 5vw, 62px); line-height: 1.1; letter-spacing: -.045em; margin-bottom: 22px; }
h2 { font-size: clamp(28px, 3vw, 36px); line-height: 1.2; letter-spacing: -.03em; margin-bottom: 18px; }
h3 { font-size: 18px; line-height: 1.35; margin-bottom: 8px; }
p { font-size: 16px; line-height: 1.7; color: var(--text); margin-bottom: 18px; }
em { font-style: normal; color: var(--green); }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .08em; line-height: 1.6; margin-bottom: 16px; color: var(--blue); }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); margin-right: 8px; vertical-align: middle; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 10; padding: 15px; background: var(--ink); color: white; }
.skip-link:focus { top: 10px; }

/* Compact header; the combined logo keeps its original proportions. */
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; padding-block: 22px; }
.brand { display: block; width: 440px; max-width: 40%; margin-right: auto; flex-shrink: 0; }
.brand-logo { display: block; width: 100%; height: auto; }
.header-inner nav { display: flex; align-items: center; gap: 20px; font-size: 13px; }
.header-inner nav a { padding-block: 12px; }
.header-inner nav a:hover, .text-link:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.language-link { font-size: 13px; border: 1px solid var(--line); border-radius: 4px; padding: 10px 13px; white-space: nowrap; }
.language-link:hover { background: var(--wash); }

/* Introduction and genuine project photograph. */
.hero { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 44px; padding-block: 54px 42px; }
.hero-intro { max-width: 480px; margin-bottom: 26px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 46px; border: 1px solid var(--blue); border-radius: 4px; padding: 12px 18px; background: var(--blue); color: white; font-size: 14px; line-height: 1.5; }
.button:hover { background: #004585; border-color: #004585; }
.button.outline { background: transparent; color: var(--blue); border-color: #bdcdd8; }
.button.outline:hover { background: #edf4fa; }
.text-link { font-size: 14px; display: inline-flex; align-items: center; gap: 12px; padding-block: 12px; }
.hero-photo { margin: 0; min-width: 0; }
.hero-photo img { display: block; width: 100%; height: auto; aspect-ratio: 6 / 5; object-fit: cover; border-radius: 5px; }
.hero-photo figcaption { padding-top: 12px; font-size: 12px; line-height: 1.5; color: var(--text); }
.stats-section { border-block: 1px solid var(--line); padding-block: 24px; }
.stats { display: grid; grid-template-columns: 1fr 1.3fr 1fr; }
.stats > div { display: flex; align-items: center; gap: 14px; padding-inline: 24px; border-right: 1px solid var(--line); }
.stats > div:first-child { padding-left: 0; }
.stats > div:last-child { border: 0; }
.stats strong { font-size: 34px; letter-spacing: -.035em; line-height: 1; }
.stats span { font-size: 13px; line-height: 1.5; max-width: 170px; color: var(--text); }
.stats-note { font-size: 12px; line-height: 1.6; margin: 18px 0 0; }

/* Services sit together on desktop and stack on smaller screens. */
.solar-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-block: 54px; }
.solar-section { min-width: 0; border-top: 3px solid var(--blue); padding-top: 24px; display: flex; flex-direction: column; }
.solar-section:nth-child(2) { border-top-color: var(--green); }
.solar-section h2 { font-size: 30px; min-height: 72px; max-width: 440px; }
.solar-section-intro > p:not(.eyebrow) { font-size: 15px; }
.solar-section-points { margin-top: 26px; }
.solar-section-points article { border-top: 1px solid var(--line); padding-top: 16px; }
.solar-section-points h3 { font-size: 16px; }
.solar-section-points p { font-size: 14px; margin-bottom: 16px; }
.about-section { background: var(--wash); padding-block: 44px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.about-copy p { font-size: 15px; }
.about-copy p:last-child { margin-bottom: 0; }
.partner-label { font-size: 13px; line-height: 1.6; max-width: 390px; }

/* Photos can be replaced directly in /images. */
.section { padding-block: 54px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 28px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 330px; font-size: 15px; margin-bottom: 0; }
.project-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 24px; }
.project-photo { margin: 0; min-width: 0; }
.project-image-link { display: block; position: relative; overflow: hidden; border-radius: 4px; background: var(--wash); }
.project-image-link img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.photo-view { position: absolute; right: 12px; bottom: 12px; background: white; border-radius: 3px; padding: 9px 12px; font-size: 12px; }
.project-image-link:hover .photo-view { color: var(--blue); }
.project-photo figcaption { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 12px; }
.project-photo h3 { font-size: 16px; margin: 0; }
.project-photo figcaption > span { font-size: 13px; white-space: nowrap; color: var(--text); }
.process { border-top: 1px solid var(--line); }
.process-grid { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step-number { display: block; color: var(--blue); font-size: 13px; margin-bottom: 14px; }
.process-grid p { font-size: 15px; margin: 0; }
.faq { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; border-top: 1px solid var(--line); }
details { border-top: 1px solid var(--line); }
details:first-child { border-top: 0; }
details:last-child { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 18px; cursor: pointer; list-style: none; font-size: 15px; line-height: 1.6; }
summary::-webkit-details-marker { display: none; }
summary span { font-size: 22px; color: var(--blue); }
details[open] summary span { transform: rotate(45deg); }
details p { font-size: 15px; padding-bottom: 6px; }
details p a, .office-note a { text-decoration: underline; text-underline-offset: 3px; }
details p a { color: var(--blue); }

/* Contact and footer. */
.contact-section { background: var(--ink); color: white; padding-block: 48px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.contact-section .eyebrow { color: #c8dce9; }
.contact-section h2 { font-size: 38px; }
.contact-section em { color: #badd9a; }
.contact-copy { color: #d4e0e8; font-size: 15px; max-width: 430px; margin-bottom: 24px; }
.contact-section .button { background: #e2efcf; color: var(--ink); border-color: #e2efcf; }
.contact-section .button:hover { background: #f0f6e9; }
.contact-section .button.outline { background: transparent; border-color: #8198aa; color: white; }
.contact-section .button.outline:hover { background: #214561; }
.contact-details > div { padding-block: 16px; border-bottom: 1px solid #486175; }
.contact-details .eyebrow { display: block; margin-bottom: 8px; }
.contact-value { font-size: 30px; letter-spacing: -.02em; display: block; }
.contact-email { font-size: 18px; overflow-wrap: anywhere; }
.office-note { font-size: 13px; line-height: 1.8; color: #d4e0e8; margin: 18px 0 0; }
.site-footer { padding-block: 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; }
.footer-inner strong { font-size: 14px; }
.footer-inner p { font-size: 13px; margin: 8px 0 0; }
.footer-inner > div:last-child { display: flex; flex-direction: column; align-items: end; gap: 12px; font-size: 13px; }
.footer-inner span { font-size: 12px; color: var(--text); }
.standalone { padding-block: 80px; max-width: 800px; }

/* Hindi needs more line height than English. */
html[lang="hi"] h1 { font-size: clamp(36px, 4.4vw, 54px); line-height: 1.4; letter-spacing: -.02em; }
html[lang="hi"] h2, html[lang="hi"] h3 { line-height: 1.5; letter-spacing: 0; }
html[lang="hi"] p { line-height: 1.9; }
html[lang="hi"] .eyebrow { letter-spacing: 0; }
html[lang="hi"] .solar-section h2 { min-height: 90px; }

@media (max-width: 1100px) {
  .header-inner { flex-wrap: wrap; gap: 12px; padding-block: 18px 10px; }
  .brand { width: 440px; max-width: calc(100% - 100px); }
  .language-link { order: 1; }
  .header-inner nav { order: 2; width: 100%; justify-content: space-between; border-top: 1px solid var(--line); margin-top: 6px; }
  .hero { gap: 28px; }
  .solar-sections, .about-grid, .contact-grid, .faq { gap: 32px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .header-inner { gap: 12px; }
  .brand { width: 380px; }
  .header-inner nav { gap: 6px 18px; flex-wrap: wrap; justify-content: flex-start; font-size: 12px; }
  .header-inner nav a { padding-block: 8px; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding-block: 34px; }
  .hero-intro { max-width: 560px; }
  .hero-photo img { aspect-ratio: 16 / 10; }
  .stats { grid-template-columns: 1fr 1.2fr; }
  .stats > div { display: block; padding-inline: 18px; }
  .stats > div:nth-child(2) { border: 0; padding-right: 0; }
  .stats > div:last-child { display: none; }
  .stats strong { display: block; margin-bottom: 8px; font-size: 30px; }
  .stats span { display: block; }
  .solar-sections, .about-grid, .contact-grid, .faq { grid-template-columns: 1fr; gap: 32px; }
  .solar-sections, .section { padding-block: 36px; }
  .solar-section h2, html[lang="hi"] .solar-section h2 { min-height: 0; }
  .solar-section-points { margin-top: 22px; }
  .about-section, .contact-section { padding-block: 36px; }
  .section-heading { display: block; margin-bottom: 24px; }
  .section-heading > p { margin-top: 16px; max-width: 500px; }
  .project-grid { grid-template-columns: 1fr; gap: 24px; }
  .process-grid { grid-template-columns: 1fr; gap: 24px; }
  .step-number { margin-bottom: 8px; }
  .faq { gap: 8px; }
  .faq h2 { margin-bottom: 12px; }
  .contact-section h2 { font-size: 34px; }
  .footer-inner { flex-direction: column; gap: 20px; }
  .footer-inner > div:last-child { align-items: start; }
}
@media (max-width: 400px) {
  .brand { max-width: calc(100% - 84px); }
  .language-link { padding: 9px 10px; }
  h1 { font-size: 38px; }
  .button { padding-inline: 14px; }
  .contact-value { font-size: 27px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}