/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --navy: #0f2942;
  --blue: #1a5f9e;
  --teal: #0fa38e;
  --orange: #f2994a;
  --bg: #f7f9fb;
  --text: #1f2a33;
  --text-light: #5c6b76;
  --border: #e3e8ec;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(15, 41, 66, 0.08);
}

html { scroll-behavior: smooth; }

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

h1, h2, h3, h4 {
  font-family: 'Poppins', sans-serif;
  color: var(--navy);
  line-height: 1.25;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section-title { font-size: 2rem; text-align: center; margin-bottom: 8px; }
.section-sub { text-align: center; color: var(--text-light); max-width: 560px; margin: 0 auto 48px; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  box-shadow: 0 6px 18px rgba(26, 95, 158, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(26, 95, 158, 0.4); }
.btn-outline {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
}
.logo span { color: var(--teal); }

.nav { display: flex; gap: 32px; }
.nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  transition: color 0.15s ease;
}
.nav a:hover { color: var(--teal); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  display: block;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 60%, var(--teal) 130%);
  color: #fff;
  padding: 110px 0 100px;
  text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero h1 {
  color: #fff;
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== About ===== */
.about { background: #fff; }
.about-inner { max-width: 760px; margin: 0 auto; }
.about h2 { text-align: center; margin-bottom: 24px; font-size: 2rem; }
.about p { color: var(--text-light); margin-bottom: 16px; }
.about-facts {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: center;
}
.about-facts li {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px;
  font-size: 0.9rem;
}
.about-facts strong { display: block; color: var(--teal); font-family: 'Poppins', sans-serif; margin-bottom: 4px; }

/* ===== Services ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.service-card:hover { transform: translateY(-4px); }
.service-icon { font-size: 2.2rem; margin-bottom: 16px; }
.service-card h3 { margin-bottom: 12px; font-size: 1.25rem; }
.service-card p { color: var(--text-light); margin-bottom: 16px; font-size: 0.95rem; }
.service-card ul li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text);
}
.service-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ===== Why ===== */
.why { background: #fff; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-item {
  text-align: center;
  padding: 20px 12px;
}
.why-item h4 { color: var(--blue); margin-bottom: 8px; font-size: 1.05rem; }
.why-item p { color: var(--text-light); font-size: 0.88rem; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info p { margin-bottom: 22px; font-size: 0.95rem; }
.contact-info strong { display: block; color: var(--navy); font-family: 'Poppins', sans-serif; margin-bottom: 4px; }
.contact-info a { color: var(--blue); }
.contact-info a:hover { text-decoration: underline; }

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-form label { font-size: 0.85rem; font-weight: 600; margin-top: 10px; }
.contact-form input,
.contact-form textarea {
  font-family: inherit;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.contact-form .btn { margin-top: 18px; align-self: flex-start; }

/* ===== Footer ===== */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 32px 0;
  text-align: center;
  font-size: 0.85rem;
}
.footer-reg { margin-top: 6px; opacity: 0.7; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .service-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 2rem; }
  .why-grid { grid-template-columns: 1fr; }
}