/* ===== RESET & BASICS ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  color: #0f172a;
  background: #f5f5f7;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
}

/* ===== LAYOUT HELPERS ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ===== HEADER & NAV ===== */
.site-header {
  background: #020617;
  color: #e5f0ff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}

.logo img {
  height: 56px;
}

/* Desktop nav */
.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
}

.main-nav a {
  color: #e5f0ff;
  font-size: 0.95rem;
  padding: 6px 8px;
}

.main-nav a:hover {
  color: #ffffff;
}

/* ===== DROPDOWN (DESKTOP DEFAULT) ===== */
.has-dropdown {
  position: relative;
}

/* IMPORTANT: hidden by default */
.dropdown {
  list-style: none;
  position: absolute;
  top: 120%;
  left: 0;
  background: #ffffff;
  color: #0f172a;
  min-width: 210px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.4);
  padding: 8px 0;
  display: none; /* <-- keep this */
}

.dropdown li a {
  display: block;
  padding: 8px 14px;
  color: #0f172a;
  font-size: 0.92rem;
}

.dropdown li a:hover {
  background: #eff6ff;
}

/* Desktop behaviour: show on hover */
.has-dropdown:hover .dropdown {
  display: block;
}

/* CTA button */
.header-cta {
  background: #1d4ed8;
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
}

.header-cta:hover {
  background: #2563eb;
}

/* ===== HAMBURGER (MOBILE) ===== */
.hamburger {
  display: none;
  flex-direction: column;
  width: 26px;
  height: 22px;
  justify-content: space-between;
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  height: 3px;
  width: 100%;
  background: #e5f0ff;
  border-radius: 999px;
  transition: transform 0.2s, opacity 0.2s;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ===== HERO (HOME) ===== */
.hero {
  background: radial-gradient(circle at top left, #1d4ed8 0, #020617 50%, #020617 100%);
  color: #ffffff;
  padding: 70px 0 60px;
}

.hero-inner {
  max-width: 650px;
}

.hero h1 {
  font-size: 2.3rem;
  margin-bottom: 12px;
}

.hero p.lead {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: #c7d8ff;
}

.btn {
  display: inline-block;
  background: #facc15;
  color: #1e293b;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ===== SECTIONS ===== */
.section {
  padding: 50px 0;
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  background: #ffffff;
  border-radius: 10px;
  padding: 18px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

/* ===== PAGE LAYOUT (ABOUT / SERVICES / CONTACT) ===== */
.page-main {
  padding: 40px 0;
}

.page-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
}

.page-layout h1 {
  margin-bottom: 16px;
}

/* Sidebar */
.sidebar {
  background: #ffffff;
  padding: 16px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
  font-size: 0.95rem;
}

.sidebar h3 {
  margin-bottom: 10px;
}

/* Contact form */
form label {
  display: block;
  margin-top: 12px;
  margin-bottom: 4px;
  font-size: 0.9rem;
}

form input,
form textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  font-size: 0.95rem;
}

form textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

form button {
  margin-top: 14px;
  padding: 9px 16px;
  border-radius: 999px;
  border: none;
  background: #1d4ed8;
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #020617;
  color: #9ca3af;
  padding: 18px 0;
  font-size: 0.85rem;
  margin-top: 40px;
}

.site-footer a {
  color: #e5f0ff;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .page-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    position: fixed;
    inset: 60px 0 auto 0;
    background: #020617;
    padding: 12px 16px 18px;
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 8px;
  }

  .header-cta {
    display: none;
  }

  /* On mobile: hover behaviour off, click via JS */
  .has-dropdown:hover .dropdown {
    display: none;
  }

  .has-dropdown .dropdown {
    position: static;
    background: transparent;
    box-shadow: none;
    padding: 4px 0 0;
  }

  .has-dropdown .dropdown li a {
    color: #cbd5f5;
    padding-left: 18px;
  }

  /* On mobile: show when .open is added by JS */
  .has-dropdown.open .dropdown {
    display: block;
  }
}