/* Define CSS variables for light mode (default) */
:root {
  --primary-color: #2a4dd0;
  --primary-hover-color: #14308b;
  --text-color: #223344;
  --text-secondary: #64748b;
  --text-tertiary: rgb(55, 65, 81);
  --bg-color: #f2f9fe;
  --white: #ffffff;
  --toggle-bg: #111729;

  --button-secondary-bg: #ffffff;
  --button-secondary-text: #2a4dd0;
  --feature-text: #cbd5e1;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-light: rgba(0, 0, 0, 0.08);
}

/* Define CSS variables for dark mode */
[data-theme="dark"] {
  --primary-color: #2a4dd0;
  --primary-hover-color: #14308b;
  --text-color: #ffffff;
  --text-secondary: #cbd5e1;
  --text-tertiary: #e2e8f0;
  --bg-color: #111729;
  --white: #111729;
  --toggle-bg: #ffffff;

  --button-secondary-bg: #223344;
  --button-secondary-text: #f2f9fe;
  --feature-text: #cbd5e1;
  --shadow: rgba(255, 255, 255, 0.1);
  --shadow-light: rgba(255, 255, 255, 0.05);
}

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

body {
  height: 100vh;
  font-family: "Poppins", sans-serif;
  font-size: 1.125rem;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  align-content: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  width: 100%;
  max-width: 1200px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
}

.user-actions {
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
  background-color: #111729;
  box-shadow: 0 4px 6px var(--shadow), 0 1px 3px var(--shadow-light);
  transition: background-color 0.3s ease;
  border-radius: 9999px;
  padding: 2px;
}

.icon-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  border-radius: 50%;
  padding: 3px;
}

.icon-wrapper img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: block;
}

.sun-icon {
  background-color: var(--bg-color);
}

.active-moon {
  background-color: var(--toggle-bg);
  transition: background-color 0.3s ease;
}

section {
  display: flex;
  gap: 2rem;
  padding: 15px 30px;
  margin-top: 2rem;
}

.visual-showcase {
  flex: 1;
  min-width: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.visual-showcase img {
  max-width: 100%;
  height: auto;
  display: block;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 25px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  position: relative;
  padding-bottom: 8px; /* Space for underline */
  transition: all 0.3s ease;
  display: inline-block; /* Needed for transform to work */
}

.nav-link:hover {
  color: var(--primary-color); /* Change text color on hover */
  transform: translateY(-2px); /* Move text up slightly */
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%; /* Start from center */
  transform: translateX(-50%); /* Center the element */
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
  border-radius: 1px;
}

.nav-link:hover::after {
  width: 100%; /* Expand underline on hover */
  left: 50%;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.intro-content {
  flex: 1;
  min-width: 300px;
  max-width: 550px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

h1 {
  font-size: 3.75rem;
  color: var(--text-color);
}

.tagline {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-color);
}

.cta-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}

.button {
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.primary-button {
  background-color: #2a4dd0;
  color: #ffffff;
  border: 1px solid var(--primary-color);
  border-radius: 0.5rem;
}

.primary-button:hover {
  background: var(--primary-hover-color);
  border: 1px solid var(--primary-hover-color);
  transform: translateY(-2px);
}

.secondary-button {
  background-color: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.secondary-button:hover {
  transform: translateY(-2px);
}

.feature-checklist {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 25px;
}

.feature-checklist li {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-checklist li::before {
  content: url(./resources/Done_ring_round_fill.svg);
  margin-right: 2px;
}

/* Hamburger Menu Styles */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
  background: none;
  border: none;
}
.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Navigation */
.main-nav {
  display: block;
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--mobile-menu-backdrop);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100%;
  background-color: var(--mobile-menu-bg);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: right 0.3s ease;
  padding: 80px 30px 30px;
  box-shadow: -2px 0 10px var(--shadow);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.mobile-nav .nav-link {
  font-size: 1.2rem;
  padding: 15px 0;
  border-bottom: 1px solid var(--shadow);
}

.mobile-nav .nav-link:last-child {
  border-bottom: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  .container {
    width: 100%;
    padding: 0;
  }

  header {
    padding: 15px 20px;
  }

  /* Show hamburger menu on mobile */
  .hamburger {
    display: flex;
  }

  /* Hide desktop navigation */
  .main-nav {
    display: none;
  }

  /* Show mobile navigation */
  .mobile-nav {
    display: block;
  }

  /* Make section stack vertically */
  section {
    flex-direction: column;
    gap: 2rem;
    padding: 20px;
    margin-top: 1rem;
  }

  .intro-content {
    order: 2;
    min-width: auto;
    max-width: 100%;
    text-align: left;
  }

  .visual-showcase {
    order: 1;
    min-width: auto;
    width: 100%;
  }

  h1 {
    font-size: 2.5rem;
    line-height: 1.2;
  }

  .cta-buttons {
    gap: 10px;
    align-items: center;
  }

  .button {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  .feature-checklist {
    gap: 15px;
    align-items: center;
  }

  .user-actions {
    width: 60px;
    height: 40px;
    gap: 5px;
    padding: 2px 4px;
  }
  .user-actions .icon-wrapper img {
    width: 18px;
    height: 18px;
  }
  .icon-wrapper {
    padding: 8px;
  }
  .user-actions .icon-wrapper {
    max-width: 100%;
    max-height: 100%;
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  header {
    padding: 10px 15px;
  }

  section {
    padding: 15px;
  }
  .user-actions {
    width: 48px;
    height: 32px;
    gap: 2px;
    padding: 1px 2px;
  }
  .user-actions .icon-wrapper img {
    width: 14px;
    height: 14px;
  }
  .user-actions .icon-wrapper {
    max-width: 100%;
    max-height: 100%;
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  h1 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 0.8rem;
  }

  body {
    font-size: 1rem;
  }

  .visual-showcase {
    min-width: auto;
  }

  .intro-content {
    gap: 0.8rem;
  }

  .author-info {
    font-size: 12px;
    padding: 0 10px;
  }
}

.author-info {
  font-size: 14px;
  text-align: center;
  margin-top: 16px;
  color: var(--text-tertiary);
}

.author-info a {
  text-decoration: none;
  color: var(--text-tertiary);
}