/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', 'Montserrat', Montserrat, Montserrat, Montserrat, sans-serif;
  background: #fcfcfc;
  color: #222;
  margin: 0;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
}

/* Utility */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Header */
.header {
  background: #2ecc71;
  text-align: center;
  padding: 2rem 1rem 1.5rem;
  color: white;
  box-shadow: 0 4px 15px rgb(46 204 113 / 0.4);
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}

.logo {
  font-weight: 800;
  font-size: 2.75rem;
  letter-spacing: 0 em;
  margin-bottom: 0.2rem;
  user-select: none;
}

.tagline {
  font-weight: 300;
  font-size: 1.2rem;
  font-style: italic;
  letter-spacing: 0.02em;
}

/* Main container */
.container {
  flex-grow: 1;
  max-width: 480px;
  margin: 2rem auto 3rem;
  padding: 0 1rem;
  text-align: center;
}

/* Intro */
.intro h2 {
  font-weight: 600;
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
  color: #333;
}

.intro p {
  font-weight: 400;
  font-size: 1rem;
  color: #555;
  margin-bottom: 2rem;
}

/* Services */
.services {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-btn {
  background: #2ecc71;
  border: none;
  color: white;
  padding: 0.9rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgb(46 204 113 / 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.03em;
  user-select: none;
  outline-offset: 3px;
}

.service-btn:hover,
.service-btn:focus-visible {
  background: #27ae60;
  box-shadow: 0 6px 14px rgb(39 174 96 / 0.6);
  transform: translateY(-3px);
}

.service-btn:active {
  transform: translateY(0);
  box-shadow: 0 3px 7px rgb(39 174 96 / 0.5);
}

/* Footer */
.footer {
  text-align: center;
  padding: 1rem 0;
  font-size: 0.9rem;
  color: #aaa;
  user-select: none;
  border-top: 1px solid #eee;
}

/* Responsive */
@media (max-width: 480px) {
  .container {
    margin: 1.5rem 1rem 2.5rem;
  }

  .service-btn {
    font-size: 1rem;
  }
}