:root {
  --font-base: 'Manrope', sans-serif;

  --color-primary: #059669;
  --color-primary-dark: #047857;
  --color-primary-soft: rgba(5, 150, 105, 0.1);

  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-footer-bg: #0f172a;
  --color-footer-text: #cbd5e1;

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 30px;
  --radius-pill: 999px;

  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 20px 50px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 30px 70px rgba(0, 0, 0, 0.08);

  --section-space: 100px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 18px 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
}

.nav-links,
.nav-actions,
.hero-features,
.hero-buttons {
  display: flex;
  align-items: center;
}

.nav-links {
  gap: 32px;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-actions {
  gap: 14px;
}

.btn-primary,
.btn-outline,
.btn-secondary {
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-surface);
  padding: 10px 18px;
  box-shadow: 0 6px 18px rgba(5, 150, 105, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-primary.large {
  padding: 14px 26px;
  font-size: 16px;
}

.btn-outline {
  padding: 8px 16px;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary {
  padding: 14px 22px;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.hero {
  padding: var(--section-space) 0;
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-block;
  margin-bottom: 24px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
}

.hero-content h1 {
  margin-bottom: 24px;
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
}

.accent {
  color: var(--color-primary);
}

.hero-description {
  max-width: 540px;
  margin-bottom: 32px;
  color: var(--color-text-muted);
  font-size: 18px;
}

.hero-features {
  gap: 16px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.feature {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  font-size: 14px;
  font-weight: 500;
}

.hero-buttons {
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  padding: 16px;
  border-radius: 28px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.hero-image img {
  border-radius: 20px;
}

.image-badge {
  position: absolute;
  bottom: 30px;
  left: 30px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  font-size: 14px;
  font-weight: 600;
}

.why-section,
.satir-services,
.satir-faq,
.satir-contact {
  padding: var(--section-space) 0;
}

.why-section {
  background: var(--color-bg-alt);
}

.satir-services,
.satir-faq,
.satir-contact {
  background: var(--color-bg);
}

.section-header,
.services-header,
.faq-header,
.contact-header {
  margin: 0 auto 60px;
  text-align: center;
}

.section-header {
  max-width: 700px;
  margin-bottom: 70px;
}

.section-header h2,
.services-header h2,
.faq-header h2,
.contact-header h2,
.about-content h2 {
  margin-bottom: 15px;
  font-size: 42px;
  font-weight: 800;
}

.section-header p,
.services-header p,
.faq-header p,
.contact-header p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: 18px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.why-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 45px rgba(5, 150, 105, 0.15);
}

.why-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 24px;
  border-radius: 18px;
  background: rgba(5, 150, 105, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-card h3 {
  margin-bottom: 16px;
  font-size: 20px;
  font-weight: 700;
}

.why-card p,
.service-content p,
.about-content p,
.faq-answer {
  color: var(--color-text-muted);
}

.services-wrapper,
.footer-wrapper,
.about-wrapper {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  overflow: hidden;
  border-radius: 25px;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.service-image {
  height: 250px;
  overflow: hidden;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-content {
  padding: 30px;
}

.service-content h3 {
  margin-bottom: 15px;
  font-size: 22px;
}

.service-content p {
  margin-bottom: 20px;
}

.service-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
}

.service-link:hover {
  opacity: 0.75;
}

.faq-wrapper {
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  overflow: hidden;
  border-radius: 20px;
  background: var(--color-surface);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
}

.faq-question {
  width: 100%;
  border: none;
  background: transparent;
  padding: 25px 30px;
  text-align: left;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  color: var(--color-primary);
  font-size: 22px;
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 30px;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 320px;
  padding: 0 30px 25px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.contact-wrapper {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  padding: 50px;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.contact-title {
  margin-bottom: 12px;
  font-size: 22px;
  font-weight: 700;
}

.contact-info-text {
  margin-bottom: 24px;
  color: var(--color-text-muted);
}

.contact-detail {
  margin-bottom: 18px;
}

.contact-label {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.contact-detail a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
}

.contact-detail a:hover {
  color: var(--color-primary);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select,
input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 14px;
  font-family: inherit;
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-text);
}

.primary-btn,
.secondary-btn,
.whatsapp-btn,
.estimate-btn {
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 700;
}

.primary-btn,
.whatsapp-btn,
.estimate-btn {
  background: var(--color-primary);
  color: var(--color-surface);
}

.primary-btn,
.whatsapp-btn {
  padding: 16px;
}

.primary-btn:hover,
.estimate-btn:hover {
  background: var(--color-primary-dark);
}

.secondary-btn {
  background: var(--color-border);
  color: var(--color-text);
  padding: 12px;
}

.full {
  width: 100%;
}

.satir-about {
  padding: var(--section-space) 0;
  background: var(--color-surface);
}

.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content p {
  margin-bottom: 20px;
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-badge {
  width: 220px;
  height: 220px;
  border-radius: var(--radius-xl);
  background: var(--color-primary);
  color: var(--color-surface);
  font-size: 30px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px rgba(5, 150, 105, 0.3);
}

.satir-footer {
  padding: 80px 0;
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.footer-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand h3,
.footer-links h4 {
  margin-bottom: 15px;
  color: var(--color-surface);
}

.footer-brand p {
  margin-bottom: 15px;
}

.footer-links a {
  display: block;
  margin-bottom: 10px;
  color: var(--color-footer-text);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-primary);
}

@media (max-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact-card {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 36px;
  }
}

@media (max-width: 900px) {
  .about-wrapper,
  .footer-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 70px;
  }

  .nav-links {
    display: none;
  }

  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-description,
  .section-header p,
  .services-header p,
  .faq-header p,
  .contact-header p {
    font-size: 16px;
  }

  .section-header h2,
  .services-header h2,
  .faq-header h2,
  .contact-header h2,
  .about-content h2 {
    font-size: 30px;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 28px;
  }
}