/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Montserrat', sans-serif;
  color: #2d3340;
  background: #fcfcfc;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== UTILITIES ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: inherit; font-weight: 600; font-size: .875rem;
  border: none; border-radius: .75rem; cursor: pointer; transition: all .3s;
  text-decoration: none;
}
.btn-primary { background: #008b9b; color: #fff; }
.btn-primary:hover { background: #00a8bb; }
.btn-outline { background: transparent; border: 2px solid rgba(255,255,255,.3); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-gradient { background: linear-gradient(135deg, #008b9b, #6ebbae); color: #fff; }
.btn-gradient:hover { opacity: .9; }
.btn-sm { padding: .625rem 1.25rem; font-size: .8125rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; padding: .875rem; }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.95); backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1.5rem; }
.logo img { height: 3.5rem; width: auto; }
.nav-desktop { display: flex; align-items: center; gap: 2rem; }
.nav-desktop a { font-size: .875rem; font-weight: 500; color: rgba(45,51,64,.8); transition: color .2s; }
.nav-desktop a:hover { color: #008b9b; }
.nav-desktop .btn { color: #fff; }
.nav-desktop .btn:hover { color: #fff; }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: .5rem; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: #2d3340; border-radius: 2px; transition: .3s; }

.nav-mobile {
  display: none; flex-direction: column; background: #fff;
  border-top: 1px solid #e8eaed; padding: .5rem 1.5rem 1rem;
}
.nav-mobile a { display: block; padding: .75rem 0; font-size: .875rem; font-weight: 500; color: rgba(45,51,64,.8); transition: color .2s; }
.nav-mobile a:hover { color: #008b9b; }
.nav-mobile .btn { margin-top: .5rem; color: #fff; }

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }
  .nav-mobile.open { display: flex; animation: fadeUp .3s ease-out; }
}

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 90vh;
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(45,51,64,.8), rgba(45,51,64,.6), rgba(45,51,64,.3));
}
.hero-content { position: relative; z-index: 2; padding: 8rem 0 4rem; max-width: 640px; }
.badge {
  display: inline-block; background: rgba(0,139,155,.2); color: #fff;
  padding: .375rem 1rem; border-radius: 9999px;
  font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: 1.5rem;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15;
  color: #fff; margin-bottom: 1.5rem;
}
.hero-content p { font-size: 1.125rem; color: rgba(255,255,255,.8); margin-bottom: 2rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ===== SECTIONS COMMON ===== */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  display: inline-block; font-size: .8125rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em; color: #008b9b;
}
.section-header h2, .about-text h2, .social-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; color: #2d3340; margin-top: .75rem;
}
.section-header p { margin-top: 1rem; color: #6b7280; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ===== SERVICES ===== */
.services { padding: 6rem 0; background: #fcfcfc; }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.service-card {
  background: #fff; border: 1px solid #e8eaed; border-radius: .75rem;
  padding: 2rem; transition: all .3s;
}
.service-card:hover { box-shadow: 0 10px 30px rgba(0,0,0,.08); border-color: rgba(0,139,155,.3); }
.service-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: .5rem;
  background: rgba(0,139,155,.1); color: #008b9b;
  margin-bottom: 1.25rem; transition: all .3s;
}
.service-card:hover .service-icon { background: #008b9b; color: #fff; }
.service-card h3 { font-size: 1.125rem; font-weight: 700; color: #2d3340; margin-bottom: .75rem; }
.service-card p { font-size: .875rem; color: #6b7280; line-height: 1.7; }

@media (max-width: 1024px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

/* ===== ABOUT ===== */
.about { padding: 6rem 0; background: hsl(180, 30%, 96%); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-photo { position: relative; display: flex; justify-content: center; }
.photo-glow {
  position: absolute; inset: -1rem; border-radius: 1rem;
  background: linear-gradient(135deg, rgba(0,139,155,.2), rgba(110,187,174,.2));
  filter: blur(16px);
}
.about-photo img {
  position: relative; width: 320px; height: 320px; object-fit: cover; object-position: top;
  border-radius: 1rem; box-shadow: 0 20px 40px rgba(0,0,0,.12);
}
.about-text .section-tag { margin-bottom: 0; }
.about-text h2 { margin-bottom: 0; }
.about-text p { margin-top: 1.5rem; color: #6b7280; line-height: 1.8; }
.about-accent { display: flex; align-items: center; gap: 1rem; margin-top: 2rem; }
.accent-line { width: 3rem; height: 4px; border-radius: 2px; background: #008b9b; }
.about-accent span { font-size: .875rem; font-weight: 500; color: hsl(220, 8%, 40%); }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .about-photo { order: -1; }
  .about-accent { justify-content: center; }
}

/* ===== SOCIAL ===== */
.social { padding: 6rem 0; background: #fcfcfc; }
.social-content { text-align: center; }
.social-content p { margin-top: 1rem; color: #6b7280; max-width: 480px; margin-left: auto; margin-right: auto; }
.social-content .btn { margin-top: 2rem; box-shadow: 0 4px 15px rgba(0,139,155,.3); }

/* ===== FOOTER ===== */
.footer { background: #2d3340; color: #fff; padding: 4rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 3rem; }
.footer-logo { height: 4rem; width: auto; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .875rem; color: rgba(255,255,255,.6); line-height: 1.7; }
.footer-nav h4, .footer-contact h4 {
  font-size: .8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem;
}
.footer-nav ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav a { font-size: .875rem; color: rgba(255,255,255,.6); transition: color .2s; }
.footer-nav a:hover { color: #fff; }
.footer-contact ul { display: flex; flex-direction: column; gap: .75rem; }
.footer-contact li { display: flex; align-items: center; gap: .75rem; font-size: .875rem; color: rgba(255,255,255,.6); }
.footer-contact svg { flex-shrink: 0; color: #008b9b; }
.footer-contact a { color: rgba(255,255,255,.6); transition: color .2s; }
.footer-contact a:hover { color: #fff; }
.footer-bottom { margin-top: 3rem; border-top: 1px solid rgba(255,255,255,.1); padding: 1.5rem 0; text-align: center; }
.footer-bottom p { font-size: .75rem; color: rgba(255,255,255,.4); }

@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}