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

:root {
  --navy:    #0d2137;
  --navy2:   #163352;
  --blue:    #1a5276;
  --accent:  #2e86c1;
  --accent2: #3498db;
  --light:   #f4f7fa;
  --grey:    #6c7a89;
  --border:  #dce3ea;
  --white:   #ffffff;
  --text:    #1c2b3a;
  --radius:  10px;
  --shadow:  0 4px 24px rgba(13,33,55,0.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
  padding: 18px 0;
}
.navbar.scrolled {
  background: var(--white);
  box-shadow: 0 2px 16px rgba(13,33,55,0.10);
  padding: 12px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.3px;
  transition: color 0.3s;
}
.navbar.scrolled .logo { color: var(--navy); }
.logo span { color: var(--accent2); }
.logo-img {
  height: 38px;
  width: auto;
  transition: opacity 0.3s;
}
.logo-img-dark  { display: block; opacity: 1; }
.logo-img-light { display: none;  opacity: 0; }
.navbar.scrolled .logo-img-dark  { display: none; }
.navbar.scrolled .logo-img-light { display: block; }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.88);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }
.navbar.scrolled .nav-links a { color: var(--navy2); }
.navbar.scrolled .nav-links a:hover { color: var(--accent); }

.btn-nav {
  background: var(--accent2);
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: 6px;
  transition: background 0.2s !important;
}
.btn-nav:hover { background: var(--accent) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: background 0.3s;
}
.navbar.scrolled .hamburger span { background: var(--navy); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  padding: 13px 28px;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.1s;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--accent2);
  color: var(--white);
  border-color: var(--accent2);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.65);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }
.btn-full { width: 100%; text-align: center; }

/* ===== EYEBROW / SECTION HEADER ===== */
.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent2);
  margin-bottom: 10px;
}
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}
.section-header h2 { font-size: 2rem; font-weight: 700; color: var(--navy); margin-bottom: 14px; }
.section-sub { color: var(--grey); font-size: 1rem; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(145deg, var(--navy) 0%, var(--blue) 60%, #1a6fa0 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.78);
  max-width: 520px;
  margin: 0 auto 36px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 64px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}
.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--white);
}
.badge-num {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.badge-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* ===== SERVICES ===== */
.services { padding: 96px 0; background: var(--white); }

.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}
.tab {
  padding: 10px 28px;
  border: 2px solid var(--border);
  border-radius: 30px;
  background: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--grey);
  cursor: pointer;
  transition: all 0.2s;
}
.tab.active, .tab:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.services-grid.hidden { display: none; }

.service-card {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.service-card p { font-size: 0.92rem; color: var(--grey); }

/* ===== ABOUT ===== */
.about {
  padding: 96px 0;
  background: var(--light);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: center;
}
.about-image { position: relative; }
.about-img-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  max-width: 340px;
  background: linear-gradient(145deg, var(--navy2), var(--blue));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow);
}
.about-initials {
  font-size: 5rem;
  font-weight: 700;
  color: rgba(255,255,255,0.25);
  letter-spacing: -2px;
}
.about-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 24px;
}
.about-logo { width: 180px; height: auto; }
.about-tagline {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
}
.about-accent {
  position: absolute;
  bottom: -18px;
  right: -18px;
  width: 80%;
  height: 80%;
  border: 3px solid var(--accent2);
  border-radius: 18px;
  z-index: 0;
  opacity: 0.45;
}
.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  line-height: 1.25;
}
.about-text p {
  color: var(--grey);
  margin-bottom: 16px;
  font-size: 0.97rem;
}
.about-list {
  list-style: none;
  margin: 28px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}
.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: var(--accent2);
  color: white;
  border-radius: 50%;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ===== CONTACT ===== */
.contact { padding: 96px 0; background: var(--white); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 72px;
  align-items: start;
}
.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}
.contact-info > p { color: var(--grey); margin-bottom: 32px; }
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}
.availability {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.availability-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.availability-header strong {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.availability-rows { display: flex; flex-direction: column; gap: 10px; }
.avail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}
.avail-days { color: var(--text); font-weight: 500; }
.avail-hours { color: var(--accent); font-weight: 600; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-icon {
  font-size: 1.4rem;
  width: 44px; height: 44px;
  background: var(--light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item strong {
  font-size: 0.85rem;
  color: var(--navy);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 2px;
}
.contact-item p { font-size: 0.93rem; color: var(--grey); line-height: 1.5; }
.contact-item p a { color: var(--grey); text-decoration: none; }
.contact-item p a:hover { color: var(--accent); }

/* ===== FORM ===== */
.contact-form {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--navy);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(52,152,219,0.15);
}
.form-group textarea { resize: vertical; }
.error-msg {
  font-size: 0.8rem;
  color: #c0392b;
  display: none;
}
.error-msg.visible { display: block; }
.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #c0392b;
}
.form-success {
  text-align: center;
  color: #27ae60;
  font-weight: 600;
  font-size: 0.97rem;
  padding: 12px;
  background: #eafaf1;
  border-radius: var(--radius);
}
.form-success.hidden { display: none; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}
.footer-logo span { color: var(--accent2); }
.footer-logo-img { height: 32px; width: auto; }
.footer-logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.footer-logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}
.footer-logo-accent { color: var(--accent2); }
.footer-copy { font-size: 0.85rem; color: rgba(255,255,255,0.45); }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-image { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--white);
    padding: 20px 24px 24px;
    gap: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--navy2) !important; }
  .hamburger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }
  .section-header h2 { font-size: 1.6rem; }
  .hero h1 { font-size: 2.2rem; }
}