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

:root {
  --primary:   #2d6a4f;
  --primary-d: #1b4332;
  --accent:    #52b788;
  --light:     #d8f3dc;
  --bg:        #f8faf9;
  --white:     #ffffff;
  --text:      #1a1a2e;
  --muted:     #5a6472;
  --border:    #e0e8e4;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(45,106,79,.10);
  --transition: .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   BUTTONS
=========================== */
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  transition: background var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--primary-d); transform: translateY(-2px); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--primary);
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid var(--primary);
  transition: all var(--transition);
}
.btn-secondary:hover { background: var(--light); transform: translateY(-2px); }

.btn-full { width: 100%; text-align: center; }

/* ===========================
   NAVBAR
=========================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  color: var(--primary-d);
}
.logo-icon { font-size: 1.5rem; }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }

.btn-nav {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 9px 22px;
  border-radius: 50px;
  font-size: .88rem !important;
}
.btn-nav:hover { background: var(--primary-d) !important; }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--primary);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  gap: 16px;
}
.mobile-menu a {
  font-weight: 500;
  color: var(--muted);
  font-size: .95rem;
}
.mobile-menu.open { display: flex; }

/* ===========================
   HERO
=========================== */
.hero {
  background: linear-gradient(135deg, var(--primary-d) 0%, var(--primary) 60%, var(--accent) 100%);
  color: var(--white);
  padding: 96px 0 80px;
}

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

.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,.15);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--light); }

.hero-sub {
  font-size: 1.05rem;
  opacity: .88;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-primary { background: var(--white); color: var(--primary-d); }
.hero-actions .btn-primary:hover { background: var(--light); }
.hero-actions .btn-secondary { border-color: rgba(255,255,255,.6); color: var(--white); }
.hero-actions .btn-secondary:hover { background: rgba(255,255,255,.1); }

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-card {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(4px);
  transition: transform var(--transition);
}
.hero-card:hover { transform: translateX(6px); }
.hc-icon { font-size: 1.8rem; }
.hero-card p { font-weight: 600; font-size: .95rem; }

/* ===========================
   SECTION COMMONS
=========================== */
.section { padding: 88px 0; }

.section-tag {
  display: inline-block;
  background: var(--light);
  color: var(--primary);
  padding: 5px 14px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}
.section-header h2 { font-size: clamp(1.5rem, 2.5vw, 2.1rem); margin-bottom: 12px; }
.section-header p { color: var(--muted); }

/* ===========================
   ABOUT
=========================== */
.about { background: var(--white); }

.about-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: start;
}

.avatar-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-size: 2.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.about-text h2 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); margin-bottom: 16px; }
.about-text p { color: var(--muted); margin-bottom: 14px; }

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.about-badges li {
  background: var(--light);
  color: var(--primary-d);
  padding: 7px 16px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
}

/* ===========================
   SERVICES
=========================== */
.services { background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.sc-icon { font-size: 2.2rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--primary-d); }
.service-card p { color: var(--muted); font-size: .9rem; }

/* ===========================
   APPROACH
=========================== */
.approach { background: var(--primary-d); color: var(--white); }
.approach .section-tag { background: rgba(255,255,255,.15); color: var(--light); }
.approach .section-header h2 { color: var(--white); }
.approach .section-header p { color: rgba(255,255,255,.7); }

.approach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.approach-item {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 28px;
  transition: background var(--transition);
}
.approach-item:hover { background: rgba(255,255,255,.13); }
.approach-item h4 { font-size: 1rem; margin-bottom: 10px; color: var(--light); }
.approach-item p { font-size: .9rem; color: rgba(255,255,255,.72); }

/* ===========================
   CONTACT
=========================== */
.contact { background: var(--white); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); margin-bottom: 14px; }
.contact-info > p { color: var(--muted); margin-bottom: 28px; }

.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .95rem; }
.ci-icon { font-size: 1.2rem; }

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: .95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note { font-size: .85rem; color: var(--primary); text-align: center; min-height: 20px; }

/* ===========================
   FOOTER
=========================== */
.footer {
  background: var(--primary-d);
  color: rgba(255,255,255,.7);
  padding: 36px 0;
}
.footer-inner { text-align: center; }
.footer-logo { font-size: 1rem; color: var(--white); margin-bottom: 8px; }
.footer-copy { font-size: .82rem; }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { flex-direction: row; flex-wrap: wrap; }
  .hero-card { flex: 1 1 200px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; text-align: center; }
  .about-avatar { display: flex; justify-content: center; }
  .about-badges { justify-content: center; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .services-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }
}