/* ===================
   Global Reset & Vars
=================== */
:root {
  --primary: #5ad3b8;
  --primary-dark: #00a99d;
  --accent: #009f91;
  --bg-light: #f9f9f9;
  --text-dark: #222;
  --font-body: 'Poppins', sans-serif;
  --font-heading: 'DM Sans', sans-serif;
  --transition: all 0.3s ease-in-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  letter-spacing: 0.4px;
  scroll-behavior: smooth;
}

/* ===================
   Headings & Text
=================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.6px;
  margin-bottom: 0.5em;
  color: var(--primary-dark);
}

h1 { font-size: 2.3rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1em;
  font-size: 1rem;
}

/* ===================
   Buttons
=================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
}

.btn-primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px) scale(1.03);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: rgba(90, 211, 184, 0.1);
  transform: scale(1.03);
}

/* ===================
   Form Elements
=================== */
input[type="text"],
input[type="email"],
input[type="file"],
textarea,
select {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  font-family: var(--font-body);
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(90, 211, 184, 0.2);
}

label {
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 8px;
  display: block;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===================
   Section Layouts
=================== */
.section {
  padding: 60px 20px;
  max-width: 1200px;
  margin: auto;
}

.section-light {
  background: var(--bg-light);
}

.section-dark {
  background: #222;
  color: #fff;
}

/* ===================
   Glassmorphism Cards
=================== */
.card-glass {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-radius: 20px;
  padding: 30px;
  transition: var(--transition);
}

.card-glass:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

/* ===================
   Footer
=================== */
.site-footer {
  background-color: #2c3e50;
  padding: 25px 20px;
  font-size: 14px;
  text-align: center;
  line-height: 1.8;
  color: white;
}

.site-footer .footer-container {
  max-width: 800px;
  margin: 0 auto;
}

.site-footer a {
  color: var(--primary);
  text-decoration: none;
  margin: 0 5px;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* ===================
   Utility Classes
=================== */
.text-center { text-align: center; }

.mt-2 { margin-top: 20px; }
.mt-4 { margin-top: 40px; }
.mb-2 { margin-bottom: 20px; }
.mb-4 { margin-bottom: 40px; }

.w-100 { width: 100%; }
.w-50 { width: 50%; }

@media (max-width: 768px) {
  .w-50 { width: 100%; }
}

/* ===================
   Top Bar & Navigation
=================== */
.top-bar {
  background-color: #2e3a47;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 20px;
  position: relative;
}

.top-bar .center-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
}

.top-bar img {
  height: 100px;
  margin-bottom: 5px;
  transition: var(--transition);
}

.top-bar .welcome-message {
  font-size: 14px;
  margin-top: 5px;
  color: #d1d1d1;
}

nav.desktop-menu {
  background-color: #36454f;
  padding: 10px 0;
}

nav.desktop-menu a {
  text-decoration: none;
  color: #ffffff;
  font-weight: 500;
  padding: 8px 15px;
  font-size: 15px;
  border-radius: 5px;
  transition: var(--transition);
}

nav.desktop-menu a:hover {
  background-color: var(--primary);
  color: #2e3a47;
}

nav.desktop-menu ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 0;
  padding: 0;
}

nav.desktop-menu ul li {
  position: relative;
}

nav.desktop-menu ul li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #36454f;
  border-radius: 5px;
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.1);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

nav.desktop-menu ul li:hover > ul {
  display: block;
  opacity: 1;
  visibility: visible;
}

nav.desktop-menu ul li ul li {
  position: relative;
}

nav.desktop-menu ul li ul li ul {
  position: absolute;
  top: 0;
  left: 100%;
  background-color: #36454f;
  border-radius: 5px;
  min-width: 180px;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

nav.desktop-menu ul li ul li:hover > ul {
  display: block;
  opacity: 1;
  visibility: visible;
}

nav.desktop-menu ul li ul li a {
  display: block;
  padding: 10px;
}

/* ===================
   Mobile Navigation
=================== */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 24px;
  cursor: pointer;
  position: absolute;
  top: 15px;
  right: 20px;
}

.side-menu {
  position: fixed;
  top: 0;
  right: -250px;
  width: 250px;
  height: 100%;
  background-color: #36454f;
  box-shadow: -2px 0 5px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
  z-index: 1000;
  padding: 20px;
  overflow-y: auto;
}

.side-menu.show {
  right: 0;
}

.side-menu ul {
  list-style: none;
  padding-left: 0;
}

.side-menu ul li {
  position: relative;
}

.side-menu ul li a {
  color: #ffffff;
  font-size: 16px;
  display: block;
  padding: 10px 0;
  text-decoration: none;
  transition: var(--transition);
}

.side-menu ul li a:hover {
  color: var(--primary);
}

.side-menu ul li ul {
  display: none;
  padding-left: 15px;
}

.side-menu ul li.open > ul {
  display: block;
}

.side-menu ul li > a::after {
  content: '▸';
  float: right;
  font-size: 12px;
  margin-left: 10px;
}

.side-menu ul li.open > a::after {
  content: '▾';
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: rgba(0,0,0,0.5);
  display: none;
  z-index: 999;
}

.overlay.show {
  display: block;
}

.new-label {
  background-color: #ff9800;
  color: #fff;
  font-size: 10px;
  font-weight: bold;
  padding: 2px 5px;
  border-radius: 3px;
  margin-left: 5px;
}

.switch-btn {
  background-color: var(--primary);
  color: white;
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  text-decoration: none;
  margin-left: 10px;
  transition: var(--transition);
}

.switch-btn:hover {
  background-color: var(--primary-dark);
}

@media (max-width: 768px) {
  nav.desktop-menu {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  body.menu-open {
    overflow: hidden;
  }
}