:root {
  --green: #05A86E;
  --green-dark: #0B3B2C;
  --green-soft: #C8F2E3;
  --green-light: #E9F7F1;
  --text: #15211B;
  --muted: #5E6D65;
  --bg: #F7FBF9;
  --white: #FFFFFF;
  --shadow: 0 24px 48px rgba(5, 168, 110, 0.12);
}

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

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

.container {
  width: min(1200px, 90%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #E4EFEA;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 10px 20px rgba(5, 168, 110, 0.2);
}

.brand-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--green-dark);
}

.nav-links {
  display: flex;
  gap: 20px;
  font-weight: 500;
  color: var(--muted);
}

.nav-actions {
  display: flex;
  gap: 12px;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
}

.btn.primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(5, 168, 110, 0.2);
}

.btn.ghost {
  background: transparent;
  color: var(--green-dark);
  border: 1px solid #D4EFE2;
}

.btn.outline {
  background: transparent;
  color: var(--green-dark);
  border: 2px solid var(--green);
}

.btn.full {
  width: 100%;
}

.hero {
  padding: 80px 0 40px;
  background: radial-gradient(circle at 20% 20%, #E9F7F1 0%, #F7FBF9 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: 40px;
}

.hero-content h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 3.5vw, 3.4rem);
  line-height: 1.1;
  margin: 16px 0;
}

.hero-content p {
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.hero-stats h3 {
  font-size: 1.4rem;
  color: var(--green-dark);
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 40px;
  background: linear-gradient(160deg, rgba(5, 168, 110, 0.2), rgba(11, 59, 44, 0.05));
  transform: rotate(8deg);
  right: 20px;
  top: 20px;
  z-index: -1;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--green-soft);
  font-weight: 600;
  color: var(--green-dark);
}

.highlight {
  padding: 30px 0 60px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.highlight-card {
  background: var(--white);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
  position: relative;
}

.trust-strip {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  color: var(--green-dark);
  font-weight: 600;
  font-size: 0.95rem;
}

.section-title {
  text-align: center;
  margin-bottom: 32px;
}

.section-title.left {
  text-align: left;
}

.section-title h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 2.5vw, 2.6rem);
  margin-bottom: 8px;
}

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

.product,
.features,
.pricing,
.testimonials,
.faq,
.gallery,
.contact {
  padding: 70px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.step {
  display: flex;
  gap: 16px;
  background: var(--white);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--green);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--white);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid #E6F3EE;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.gallery-grid img {
  border-radius: 16px;
  box-shadow: var(--shadow);
  background: #fff;
  border: 1px solid #E1EFEA;
  height: 100%;
  object-fit: cover;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.simulator {
  margin: 18px 0 8px;
  display: grid;
  gap: 10px;
}

.sim-label {
  font-weight: 600;
  color: var(--green-dark);
  font-size: 0.95rem;
}

.sim-range {
  width: 100%;
  accent-color: var(--green);
}

.sim-value {
  font-weight: 700;
  color: var(--green-dark);
  font-size: 1.1rem;
}

.sim-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sim-option {
  border: 1px solid #D4EFE2;
  background: white;
  color: var(--green-dark);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.sim-option.active {
  background: var(--green);
  color: white;
  border-color: var(--green);
}

.sim-hint {
  font-size: 0.85rem;
  color: var(--muted);
}

.price-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed #E1EFEA;
}

.price-row.highlight {
  border-bottom: none;
  margin-top: 16px;
  font-size: 1.1rem;
  color: var(--green-dark);
}

.pricing-detail {
  background: var(--green-light);
  border-radius: 24px;
  padding: 24px;
  border: 1px solid #D9EFE6;
}

.pricing-detail ul {
  padding-left: 18px;
  color: var(--muted);
}

.notice {
  background: white;
  border-radius: 14px;
  padding: 16px;
  margin-top: 16px;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.testimonial-card {
  background: var(--white);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.testimonial-card span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.faq-item {
  background: var(--white);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.cta {
  padding: 50px 0 80px;
}

.cta-box {
  background: linear-gradient(135deg, #0B3B2C, #05A86E);
  color: white;
  border-radius: 24px;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  align-items: start;
}

.contact-list {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.contact-list span {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-list strong,
.contact-list a {
  font-weight: 600;
  color: var(--green-dark);
}

.contact-card {
  background: var(--green-light);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid #D9EFE6;
  display: grid;
  gap: 12px;
}

.footer {
  background: #0E1F18;
  color: white;
  padding: 60px 0 30px;
}

.footer-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.18);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
}

.footer-grid a {
  color: #C5D6CF;
  display: block;
  margin: 8px 0;
}

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  color: #8CA39A;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .nav {
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .nav-actions {
    width: 100%;
    justify-content: flex-start;
  }
  .hero {
    padding-top: 60px;
  }
}