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

:root {
  --blue:       #246353;
  --blue-dark:  #1a4a3d;
  --blue-light: #edf4f2;
  --gray-50:    #F9FAFB;
  --gray-100:   #F3F4F6;
  --gray-200:   #E5E7EB;
  --gray-400:   #9CA3AF;
  --gray-600:   #4B5563;
  --gray-800:   #1F2937;
  --gray-900:   #111827;
  --white:      #FFFFFF;
  --radius:     12px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.12);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(36,99,83,.35); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-sm { padding: 9px 20px; font-size: 0.875rem; }
.btn-full { width: 100%; }

/* ── Nav ── */
.nav-wrapper {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.nav-wrapper.scrolled {
  border-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--gray-600); transition: color var(--transition); }
.nav-links a:hover { color: var(--blue); }
.nav-links .btn-primary,
.nav-links .btn-primary:hover { color: var(--white); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: all 0.3s; }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 68px;
}
.hero > .container { width: 100%; }
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero.jpg');
  background-size: cover;
  background-position: right center;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,31,26,.92) 0%, rgba(18,46,39,.85) 40%, rgba(36,99,83,.8) 80%, rgba(45,122,102,.75) 100%);
}
/* grid overlay */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding-top: 60px;
  padding-bottom: 120px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -.02em;
}
.accent { color: #7ecfb8; }
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: 0.75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ── Sections ── */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.section-header p { color: var(--gray-600); font-size: 1.05rem; }

/* ── Services ── */
.services { background: var(--gray-50); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--gray-100);
}
.service-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: var(--icon-bg, var(--blue-light));
  color: var(--icon-color, var(--blue));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 30px; height: 30px; }
.service-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.service-card p { color: var(--gray-600); font-size: 0.9rem; line-height: 1.65; margin-bottom: 18px; }
.service-details { display: flex; flex-direction: column; gap: 6px; }
.service-details li {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-600);
  padding-left: 16px;
  position: relative;
}
.service-details li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* ── Photos ── */
.photos { background: var(--white); }
.photos-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  align-items: stretch;
}
.photo-main {
  border-radius: var(--radius);
  overflow: hidden;
  height: 500px;
}
.photo-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.photo-main:hover img { transform: scale(1.03); }
.photo-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.photo-item {
  border-radius: var(--radius);
  overflow: hidden;
  flex: 1;
}
.photo-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.photo-item:hover img { transform: scale(1.03); }

@media (max-width: 700px) {
  .photos-grid { grid-template-columns: 1fr; }
  .photo-main { height: 260px; }
  .photo-stack { flex-direction: row; }
  .photo-item { height: 180px; }
}

/* ── Why Us ── */
.why-us { background: var(--white); }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.pillar {
  padding: 40px 32px;
  border-right: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  transition: background var(--transition);
}
.pillar:hover { background: var(--gray-50); }
.pillar:last-child { border-right: none; }
.pillar-num {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--blue);
  margin-bottom: 14px;
}
.pillar h4 { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.pillar p { font-size: 0.875rem; color: var(--gray-600); line-height: 1.65; }

/* ── Contact ── */
.contact { background: var(--gray-50); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}
.contact-info .section-label { display: block; margin-bottom: 12px; }
.contact-info h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.contact-info > p { color: var(--gray-600); margin-bottom: 40px; line-height: 1.7; }
.contact-methods { display: flex; flex-direction: column; gap: 20px; }
.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.cm-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--blue-light);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}
.cm-icon svg { width: 18px; height: 18px; }
.contact-method strong { display: block; font-size: 0.85rem; font-weight: 600; color: var(--gray-900); margin-bottom: 2px; }
.contact-method a, .contact-method span { font-size: 0.875rem; color: var(--gray-600); }
.contact-method a:hover { color: var(--blue); }

/* ── Form ── */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700, #374151);
  margin-bottom: 6px;
  letter-spacing: .01em;
}
.form-group label span { color: var(--blue); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(36,99,83,.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input.error,
.form-group select.error,
.form-group textarea.error { border-color: #EF4444; }

.form-status {
  margin-top: 14px;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  min-height: 22px;
}
.form-status.success { color: #059669; }
.form-status.error { color: #EF4444; }

/* ── Footer ── */
.footer {
  background: var(--gray-900);
  padding: 36px 0;
  color: var(--gray-400);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
}
.footer-links { display: flex; gap: 28px; }
.footer-links a { font-size: 0.875rem; color: var(--gray-400); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 0.8rem; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .pillars-grid { grid-template-columns: 1fr 1fr; }
  .pillar:nth-child(2) { border-right: none; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; align-items: flex-start; gap: 0; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--gray-200); padding: 12px 0; box-shadow: var(--shadow-md); }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 24px; border-radius: 0; font-size: 1rem; color: var(--gray-800); }
  .nav-links .btn { margin: 12px 24px; width: calc(100% - 48px); justify-content: center; }
  .nav-toggle { display: flex; }

  .hero-content { padding-top: 40px; padding-bottom: 80px; }
  .section { padding: 72px 0; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .pillars-grid { grid-template-columns: 1fr; }
  .pillar { border-right: none; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeUp 0.5s ease forwards;
}
[data-animate] { opacity: 0; }