/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ===== Layout ===== */
.container { width: 92%; max-width: 1100px; margin: 0 auto; }
.section { padding: 4rem 0; }
.alt { background: #f8fafc; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #e5e7eb;
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between; min-height: 64px;
}
.logo {
  font-weight: 700; font-size: 1.15rem; color: #111827; letter-spacing: -0.02em;
}
.main-nav ul {
  list-style: none; display: flex; gap: 1.5rem; margin: 0; padding: 0;
}
.main-nav a {
  font-size: 0.95rem; font-weight: 500; color: #374151; position: relative;
}
.main-nav a:hover { color: #0f766e; }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer; padding: 0.5rem;
}
.hamburger, .hamburger::before, .hamburger::after {
  display: block; width: 24px; height: 3px; background: #111827; border-radius: 2px;
}
.hamburger { position: relative; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; }
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background-size: cover; background-position: center;
  color: #fff; text-align: center; padding: 7rem 0 6rem;
}
.hero-tag {
  display: inline-block; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  padding: 0.25rem 0.75rem; border-radius: 999px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.75rem;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; margin: 0.2em 0; line-height: 1.15; }
.hero-subtitle { font-size: clamp(1.05rem, 2.5vw, 1.35rem); opacity: 0.9; margin: 0.5em 0 1.25em; }
.hero-note { font-size: 0.8rem; opacity: 0.75; margin-bottom: 1.25em; text-transform: uppercase; letter-spacing: 0.06em; }
.hero-cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.35rem; border-radius: 0.5rem; font-weight: 600; font-size: 0.95rem; border: 2px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: #0f766e; color: #fff; border-color: #0f766e; }
.btn-primary:hover { background: #115e59; box-shadow: 0 6px 18px rgba(15,118,110,0.25); }
.btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); }

/* ===== Services ===== */
.services h2 { text-align: center; margin-bottom: 2.5rem; font-size: 1.9rem; }
.service-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.service-card {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 0.75rem; overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05); transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); transform: translateY(-3px); }
.service-card img { width: 100%; height: 180px; object-fit: cover; }
.service-body { padding: 1.25rem; }
.service-body h3 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.service-body p { margin: 0; color: #4b5563; }

/* ===== About ===== */
.about-grid {
  display: grid; gap: 2.5rem; align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.about-text h2 { font-size: 1.9rem; margin: 0 0 0.6rem; }
.about-text p { color: #374151; }
.about-visual img { border-radius: 0.75rem; box-shadow: 0 4px 16px rgba(0,0,0,0.08); }

/* ===== Hours & Contact ===== */
.hours-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.hours-info h2, .contact-info h2 { font-size: 1.9rem; margin: 0 0 0.8rem; }
.hours-table { width: 100%; border-collapse: collapse; }
.hours-table th { text-align: left; padding: 0.4rem 0; width: 40%; font-weight: 600; }
.hours-table td { padding: 0.4rem 0; }
.contact-info address { font-style: normal; margin-bottom: 1rem; line-height: 1.7; }

/* ===== Demo note ===== */
.demo-note { font-size: 0.8rem; color: #6b7280; margin-top: 0.75rem; }
.demo-banner {
  background: #1f2937; color: #f3f4f6; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 0.35rem 0.6rem; border-radius: 0.35rem; display: inline-block;
}

/* ===== Footer ===== */
.site-footer { background: #0f172a; color: #cbd5e1; padding: 1.5rem 0; }
.footer-content { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-content p { margin: 0; }

/* ===== Mobile nav ===== */
@media (max-width: 720px) {
  .nav-toggle { order: 1; }
  .main-nav {
    position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid #e5e7eb;
    max-height: 0; overflow: hidden; transition: max-height .25s ease;
  }
  .main-nav.open { max-height: 260px; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 0.5rem 1rem; }
  .main-nav a { display: block; padding: 0.7rem 0; }
  .nav-toggle { display: block; }
  .hero { padding: 5rem 0 4rem; }
  .section { padding: 3rem 0; }
}