/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #2c6e49;
  --color-primary-light: #4c956c;
  --color-primary-dark: #1b4332;
  --color-accent: #d4a843;
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-hover: 0 8px 32px rgba(0,0,0,.14);
  --transition: .2s ease;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

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

/* ===== Layout ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header / Nav ===== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -.5px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

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

.nav-links a.active::after,
.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--color-text);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(44,110,73,.3);
}

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

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

.btn-full { width: 100%; text-align: center; border-radius: var(--radius); }

/* ===== Hero ===== */
.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: 4rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.hero-content h1 span { color: var(--color-primary); }

.hero-content p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  height: 420px;
}

.shape {
  position: absolute;
  border-radius: 50%;
}

.shape-1 {
  width: 340px;
  height: 340px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
  top: 40px;
  right: 20px;
  opacity: .9;
}

.shape-2 {
  width: 180px;
  height: 180px;
  background: var(--color-accent);
  bottom: 30px;
  right: 10px;
  opacity: .85;
}

.shape-3 {
  width: 120px;
  height: 120px;
  background: var(--color-primary);
  top: 20px;
  left: 40px;
  border-radius: 24px;
  transform: rotate(20deg);
  opacity: .6;
}

/* ===== Sections ===== */
section { padding: 5rem 0; }

.section-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: .5rem;
  color: var(--color-text);
}

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: var(--color-primary-dark);
}

.card p { color: var(--color-text-muted); font-size: .95rem; }

/* ===== Services ===== */
.services { background: var(--color-surface); }

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  text-align: center;
  padding: 5rem 1.5rem;
}

.cta h2 { color: #fff; margin-bottom: .75rem; }
.cta p { color: rgba(255,255,255,.8); margin-bottom: 2rem; font-size: 1.05rem; }
.cta .btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text);
}
.cta .btn-primary:hover {
  background: #b8912d;
  border-color: #b8912d;
  color: #fff;
}

/* ===== Page Hero ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}

.page-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: .5rem; }
.page-hero p { color: rgba(255,255,255,.75); font-size: 1.1rem; }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.about-text h2 { margin-bottom: 1.25rem; }

.visual-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--shadow);
}

.stat {
  font-size: 1rem;
  color: var(--color-text-muted);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.stat:last-child { border-bottom: none; padding-bottom: 0; }

.stat span {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

/* ===== Values ===== */
.values { background: var(--color-surface); }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { color: var(--color-text-muted); margin-bottom: 2rem; }

.contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  color: var(--color-text-muted);
  font-size: .95rem;
}

.contact-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: .1rem; }

/* ===== Form ===== */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.25rem;
}

label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-text);
}

label span { color: #e53e3e; margin-left: .15rem; }

input, textarea {
  width: 100%;
  padding: .7rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44,110,73,.15);
}

input.invalid, textarea.invalid {
  border-color: #e53e3e;
}

textarea { resize: vertical; }

.field-error {
  font-size: .82rem;
  color: #e53e3e;
  min-height: 1em;
}

.form-notice {
  text-align: center;
  margin-top: 1rem;
  font-size: .9rem;
  min-height: 1.4em;
}

.form-notice.success { color: var(--color-primary); font-weight: 600; }
.form-notice.error { color: #e53e3e; }

/* ===== Footer ===== */
footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,.6);
  padding: 2rem 0;
  text-align: center;
  font-size: .875rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    gap: .5rem;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  nav { position: relative; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 3rem 1.5rem;
    text-align: center;
  }

  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}