/* Import Poppins font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

/* Define core variables */
:root {
  --clr-dark-background: #181c23;
  --clr-text-light: #f3f6fa;
  --clr-accent-hover: #ffb300;
  --clr-navbar-mobile-bg: #232834;
  --clr-accent: #ffc107;
  --clr-dark: #232834;
  --clr-border-light: #eeeeee;
  --clr-border-dark: #232834;
  --border-radius: 8px;
  --transition-speed: 0.25s;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --font-primary: 'Poppins', sans-serif;
}

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

/* Apply global font */
body {
  font-family: var(--font-primary);
  color: var(--clr-text-light);
  background-color: var(--clr-dark-background);
}

/* ----- HEADER ----- */
.site-header {
  background-color: var(--clr-dark-background);
  color: var(--clr-text-light);
  padding: var(--spacing-sm) 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--clr-text-light);
  flex-shrink: 0;
}

.logo {
  margin-right: 0.5rem;
}

.site-title {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ----- NAVBAR (Desktop) ----- */
.navbar ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
}

.navbar a {
  text-decoration: none;
  color: var(--clr-text-light);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-speed), border-bottom-color var(--transition-speed);
}

.navbar a:hover,
.navbar a:focus {
  color: var(--clr-accent-hover);
  border-bottom: 2px solid var(--clr-accent-hover); /* Add underline effect */
}

.navbar a:focus-visible {
  outline: 2px solid var(--clr-accent-hover);
  outline-offset: 4px;
}

.navbar a.active {
  font-weight: bold;
  color: var(--clr-accent-hover);
  border-bottom: 2px solid var(--clr-accent-hover);
}

/* ----- HAMBURGER MENU ----- */
.menu-toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: none;
  outline: none; /* Remove default outline */
}

.hamburger:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 4px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--clr-text-light);
  border-radius: 2px;
  transition: all var(--transition-speed);
  /* Add aria-label for accessibility */
  aria-label: "Toggle navigation menu";
}

.menu-toggle:checked + .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle:checked + .hamburger span:nth-child(2) {
  opacity: 0;
}

.menu-toggle:checked + .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.menu-toggle:checked ~ .menu-overlay {
  display: block;
  cursor: pointer; /* Allow users to click the overlay to close the menu */
}

/* ----- FOOTER ----- */
.site-footer {
  background-color: var(--clr-dark-background);
  color: var(--clr-text-light);
  padding: 20px 0;
  text-align: center;
}

.footer-social, .footer-links {
  /* margin-top: var(--spacing-md); */ /* Remove duplicate margin-top */
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.footer-social {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  text-align: center;
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.footer-social a img {
  transition: transform 0.3s ease;
}

.footer-social a:hover img {
  transform: scale(1.1);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.site-footer a:hover,
.site-footer a:focus {
  color: var(--clr-accent-hover);
  text-decoration: underline;
}

/* Footer Links */
.footer-links ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: var(--clr-text-light);
  text-decoration: none;
  font-size: 1rem;
  transition: color var(--transition-speed);
}

.footer-links a:hover {
  color: var(--clr-accent); /* Use accent for hover */
}

/* Social Media Icons */
.footer-social a {
  margin: 0 var(--spacing-sm);
  display: inline-block;
  transition: transform var(--transition-speed);
}

.footer-social a:hover {
  transform: scale(1.1);
}

/* === NEWSLETTER FORM === */
.newsletter {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  margin-top: var(--spacing-lg); /* Add spacing above for separation */
  padding: var(--spacing-md);
  border-radius: var(--border-radius); /* Keep subtle rounded corners */
}

.newsletter h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--clr-text-light); /* Ensure text matches the footer theme */
}

.newsletter form {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap; /* Ensure responsiveness */
}

.newsletter input {
  padding: var(--spacing-sm);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--border-radius);
  font-size: 1rem;
  width: 250px;
  max-width: 100%;
  outline: none;
  transition: border-color 0.2s;
}
.newsletter input:focus {
  border-color: var(--clr-accent-hover);
  box-shadow: 0 0 0 2px rgba(0,200,150,0.15);
}

.newsletter button {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  background-color: var(--clr-accent);
  color: var(--clr-dark);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.newsletter button:hover {
  background-color: var(--clr-accent-hover); /* Use variable */
  transform: translateY(-2px);
}

.newsletter button:active {
  transform: translateY(0);
}

/* Newsletter feedback message */
.newsletter-message {
  margin-top: var(--spacing-sm);
  font-size: 1rem;
  min-height: 1.5em;
  transition: color 0.2s;
  word-break: break-word;
}
.newsletter-message.success {
  color: #00c896;
}
.newsletter-message.error {
  color: #ff4d4f;
}

/* Utility: Visually hidden (for accessibility) */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Utility: Focusable (for skip links) */
.focusable:active,
.focusable:focus {
  position: static !important;
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
  background: var(--clr-accent);
  color: var(--clr-dark);
  padding: 0.5em 1em;
  z-index: 10000;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px #0002;
}

/* Skip link style for accessibility */
.skip-link {
  left: 0;
  top: 0;
  position: absolute;
}

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

  .navbar {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--clr-navbar-mobile-bg);
    padding-top: calc(var(--spacing-lg) * 2);
    transform: translateX(100%);
    transition: transform var(--transition-speed);
    z-index: 1000;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
  }

  .menu-toggle:checked ~ .navbar {
    transform: translateX(0);
  }

  .navbar ul {
    flex-direction: column;
    width: 100%;
    gap: 0;
    align-items: center;
  }

  .navbar li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .navbar li:last-child {
    border-bottom: none;
  }

  .navbar a {
    display: block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--clr-text-light);
  }

  .navbar a:hover {
    background-color: var(--clr-accent); /* Use accent for hover background */
    color: var(--clr-dark-background);
  }

  .newsletter {
    padding: var(--spacing-sm);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
  }
  .newsletter-message {
    font-size: 0.95rem;
  }
}