:root {
  --green: #1f9d55;
  --green-dark: #12643a;
  --blue: #1687d9;
  --blue-dark: #0f4c81;
  --sun: #f7c948;
  --ink: #14323f;
  --muted: #5f7480;
  --bg: #f4fbf8;
  --card: #ffffff;
  --line: #dbeee7;
  --shadow: 0 18px 45px rgba(20, 50, 63, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 46px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(31, 157, 85, 0.24);
}

.brand-mark img {
  width: 36px;
  height: 30px;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green-dark);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--blue));
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(22, 135, 217, 0.2);
  border: 0;
  cursor: pointer;
}

.button.secondary {
  color: var(--green-dark);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 680px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(110deg, rgba(8, 62, 50, 0.86), rgba(12, 105, 161, 0.62)),
    radial-gradient(circle at 78% 18%, rgba(247, 201, 72, 0.9), transparent 18%),
    linear-gradient(145deg, #9edff0, #d9f2dc 44%, #4a8b5f);
}

.hero::before {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 660px;
  height: 360px;
  transform: rotate(-9deg);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(135deg, #1f618d, #143d59);
  background-size: 74px 74px, 74px 74px, auto;
  border: 16px solid rgba(255, 255, 255, 0.22);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  left: -120px;
  bottom: -160px;
  width: 760px;
  height: 320px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 50%;
}

.hero-inner,
.section,
.footer-inner {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 110px 0;
  color: #fff;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 7px 12px;
  border-radius: 999px;
  color: #e9fff4;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(42px, 7vw, 78px);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 22px;
}

.lead {
  max-width: 720px;
  margin: 20px 0 0;
  color: #dff8ef;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.section {
  padding: 86px 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-header p {
  color: var(--muted);
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

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

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--card);
  box-shadow: 0 12px 30px rgba(20, 50, 63, 0.06);
}

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

.icon {
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--blue));
  font-size: 24px;
}

.impact {
  background: #fff;
}

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

.metric {
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(180deg, #f6fffb, #edf8ff);
  border: 1px solid var(--line);
}

.metric strong {
  display: block;
  color: var(--green-dark);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1;
}

.metric span {
  color: var(--muted);
  font-weight: 700;
}

.page-hero {
  padding: 86px 0 70px;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(18, 100, 58, 0.94), rgba(15, 76, 129, 0.9)),
    radial-gradient(circle at 78% 18%, rgba(247, 201, 72, 0.55), transparent 22%);
}

.page-hero p {
  max-width: 740px;
  color: #dff8ef;
  font-size: 19px;
}

.content {
  max-width: 920px;
}

.content h2 {
  margin-top: 36px;
  font-size: 28px;
}

.content p,
.content li {
  color: var(--muted);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.contact-form {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.contact-form label {
  color: var(--ink);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: #f9fffc;
  font: inherit;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(31, 157, 85, 0.18);
  border-color: var(--green);
}

.form-status {
  min-height: 26px;
  margin: 0;
  color: var(--green-dark);
  font-weight: 800;
}

.team-photo {
  position: relative;
  overflow: hidden;
  height: 170px;
  margin: -28px -28px 22px;
  border-radius: 26px 26px 0 0;
  background:
    radial-gradient(circle at 24% 30%, rgba(247, 201, 72, 0.65), transparent 20%),
    linear-gradient(135deg, #d9f2dc, #c5e8ff);
}

.team-photo::before,
.team-photo::after {
  content: "";
  position: absolute;
  border-radius: 18px;
}

.photo-energy::before {
  right: 28px;
  bottom: 24px;
  width: 150px;
  height: 74px;
  transform: rotate(-8deg);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px),
    linear-gradient(135deg, #1f618d, #143d59);
  background-size: 30px 30px, 30px 30px, auto;
}

.photo-software {
  background:
    radial-gradient(circle at 22% 25%, rgba(247, 201, 72, 0.58), transparent 18%),
    linear-gradient(135deg, #dff7ff, #d7f7e7);
}

.photo-software::before {
  right: 32px;
  top: 32px;
  width: 150px;
  height: 92px;
  background: #ffffff;
  box-shadow: 0 14px 26px rgba(20, 50, 63, 0.16);
}

.photo-software::after {
  right: 58px;
  top: 58px;
  width: 96px;
  height: 36px;
  background:
    linear-gradient(90deg, var(--green) 28%, transparent 28% 38%, var(--blue) 38% 68%, transparent 68% 78%, var(--sun) 78%),
    linear-gradient(#d9f2dc, #d9f2dc);
}

.photo-research {
  background:
    radial-gradient(circle at 24% 30%, rgba(247, 201, 72, 0.58), transparent 18%),
    linear-gradient(135deg, #e6f7d7, #cfeaff);
}

.photo-research::before {
  right: 44px;
  bottom: 18px;
  width: 24px;
  height: 96px;
  background: var(--blue-dark);
}

.photo-research::after {
  right: 4px;
  bottom: 82px;
  width: 104px;
  height: 104px;
  background:
    linear-gradient(90deg, transparent 47%, #ffffff 47% 53%, transparent 53%),
    linear-gradient(0deg, transparent 47%, #ffffff 47% 53%, transparent 53%);
  opacity: 0.9;
}

.about-section {
  padding-top: 20px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
}

.about-grid p {
  color: var(--muted);
  font-size: 18px;
}

.about-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.about-points span {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green-dark);
  background: #fff;
  font-weight: 800;
}

.about-visual {
  position: relative;
  min-height: 360px;
  border-radius: 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(247, 201, 72, 0.75), transparent 16%),
    linear-gradient(135deg, #c5e8ff, #dff7df 58%, #9dca8d);
  box-shadow: var(--shadow);
}

.visual-card {
  position: absolute;
  border-radius: 24px;
  box-shadow: 0 16px 34px rgba(20, 50, 63, 0.18);
}

.solar-card {
  right: 34px;
  bottom: 38px;
  width: 250px;
  height: 136px;
  transform: rotate(-8deg);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    linear-gradient(135deg, #1f618d, #143d59);
  background-size: 42px 42px, 42px 42px, auto;
}

.dashboard-card {
  left: 34px;
  top: 106px;
  width: 210px;
  height: 134px;
  background:
    linear-gradient(90deg, var(--green) 0 34%, transparent 34% 42%, var(--blue) 42% 68%, transparent 68% 76%, var(--sun) 76%),
    #ffffff;
  background-size: 150px 12px, auto;
  background-position: 28px 82px, 0 0;
  background-repeat: no-repeat;
}

.cta {
  padding: 58px;
  border-radius: 34px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(18, 100, 58, 0.95), rgba(22, 135, 217, 0.95)),
    radial-gradient(circle at 85% 15%, rgba(247, 201, 72, 0.7), transparent 22%);
}

.cta p {
  color: #dff8ef;
  max-width: 720px;
}

.site-footer {
  padding: 56px 0 28px;
  color: #d8e9ef;
  background:
    radial-gradient(circle at 12% 18%, rgba(31, 157, 85, 0.22), transparent 24%),
    radial-gradient(circle at 86% 4%, rgba(22, 135, 217, 0.26), transparent 24%),
    #0e2c38;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.55fr 0.85fr 0.85fr 1.05fr;
  gap: 34px;
}

.footer-inner p {
  max-width: 420px;
  margin: 10px 0 0;
  color: #b9d0d8;
}

.footer-inner h3 {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: 16px;
}

.footer-inner a {
  display: block;
  margin: 8px 0;
  color: #ffffff;
}

.footer-company {
  max-width: 460px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  color: #ffffff;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.footer-mark {
  width: 58px;
  height: 48px;
  background: rgba(255, 255, 255, 0.96);
}

.footer-mark img {
  width: 46px;
  height: 38px;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.footer-badges span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: #e9fff4;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.footer-bottom {
  width: min(1180px, calc(100% - 44px));
  margin: 34px auto 0;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: #9fb9c2;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    width: 420px;
    height: 230px;
    right: -160px;
  }

  .grid,
  .grid.two,
  .impact-grid,
  .about-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .cta {
    padding: 34px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}