/* ===== VARIABLES ===== */
:root {
  --green: #2E7D32;
  --green-dark: #1B5E20;
  --green-light: #4CAF50;
  --black: #1A1A1A;
  --white: #FAFAFA;
  --gray: #F5F5F5;
  --gray-mid: #E0E0E0;
  --gray-text: #666;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-w: 1100px;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --transition: 0.25s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ===== UTILITY ===== */
.container { width: 90%; max-width: var(--max-w); margin: 0 auto; }
.section { padding: 80px 0; }
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--black);
}
.section-subtitle {
  color: var(--gray-text);
  margin-bottom: 2.5rem;
  font-size: 1rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--green);
  color: #fff;
}
.btn-primary:hover { background: var(--green-dark); }
.btn-outline {
  border: 2px solid var(--green);
  color: var(--green);
}
.btn-outline:hover {
  background: var(--green);
  color: #fff;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-mid);
  height: 70px;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--green);
}
.logo img {
  height: 40px;
  width: auto;
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav-links { display: flex; gap: 24px; }
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--black);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--green); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width var(--transition);
}
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--gray) 0%, #e8f5e9 100%);
}
.hero-content { max-width: 640px; }
.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(46,125,50,0.1);
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--black);
}
.hero p {
  font-size: 1.1rem;
  color: var(--gray-text);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== SERVICES ===== */
.services { background: var(--white); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid transparent;
}
.service-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--gray-mid);
  transform: translateY(-2px);
}
.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(46,125,50,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--gray-text);
  line-height: 1.5;
}

/* ===== ABOUT ===== */
.about { background: var(--gray); }
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: center;
}
.about-photo {
  width: 280px;
  height: 320px;
  background: var(--gray-mid);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  font-size: 0.85rem;
  overflow: hidden;
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-text h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.about-text p {
  color: var(--gray-text);
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 24px;
}
.stat { text-align: center; }
.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--green);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--gray-text);
}

/* ===== CONTACT ===== */
.contact { background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.contact-icon {
  width: 52px;
  height: 52px;
  background: rgba(46,125,50,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
}
.contact-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.contact-card p {
  color: var(--gray-text);
  font-size: 0.9rem;
}
.contact-card a {
  color: var(--green);
  font-weight: 600;
  font-size: 1.05rem;
}
.contact-card a:hover { text-decoration: underline; }

/* ===== FOOTER ===== */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.6);
  padding: 32px 0;
  font-size: 0.85rem;
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer a { color: rgba(255,255,255,0.8); }
.footer a:hover { color: #fff; }
.footer-links { display: flex; gap: 20px; }

/* ===== FLOATING CALL BUTTON (mobile) ===== */
.float-call {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 16px rgba(46,125,50,0.4);
  transition: transform var(--transition);
}
.float-call:hover { transform: scale(1.1); }

/* ===== MOBILE NAV OVERLAY ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(8px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
}
.mobile-nav a:hover { color: var(--green); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links,
  .nav .lang-switch { display: none; }
  .hamburger { display: flex; }
  .float-call { display: flex; }

  .hero { padding-top: 110px; padding-bottom: 60px; }
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 1rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { justify-content: center; }

  .section { padding: 60px 0; }
  .section-title { font-size: 1.4rem; }

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

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-photo {
    width: 200px;
    height: 240px;
    margin: 0 auto;
  }
  .about-stats { justify-content: center; }

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

  .footer .container { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 2rem; }
}