@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,700;1,400&family=Inter:wght@300;400;600&display=swap');

:root {
  --font-heading: 'Poppins', serif;
  --font-body: 'Inter', sans-serif;
  --col-primary: #0f204b;
  --col-accent: #d80621;
  --col-accent-hover: #b0051a;
  --dk-bgd-col: #0b1736;
  --lt-bgd-col: #f8f9fa;
  --col-white: #ffffff;
  --text-primary: #2b2b2b;
  --text-secondary: #555555;
  --text-light: #e0e0e0;
  --bg-page: #f8f9fa;
  --bg-card: #ffffff;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --border-color: rgba(0, 0, 0, 0.08);
  --toggle-bg: #eaecef;
  --toggle-text: #24292f;
  --toggle-hover: #d0d7de;
  color-scheme: light;
}

html[data-theme="dark"] {
  --col-primary: #0d1117;
  --dk-bgd-col: #0d1117;
  --lt-bgd-col: #0d1117;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-light: #c9d1d9;
  --bg-page: #0d1117;
  --bg-card: #161b22;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  --border-color: #30363d;
  --toggle-bg: #21262d;
  --toggle-text: #c9d1d9;
  --toggle-hover: #30363d;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  transition: background-color 0.25s ease, color 0.25s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.text-accent {
  color: var(--col-accent);
}

.text-primary {
  color: var(--col-primary);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--col-accent);
  margin: 15px auto 0;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid #1e88e5;
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.navbar {
  background-color: var(--col-white);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
}

.logo-img {
  height: 45px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--col-primary);
  letter-spacing: 1px;
}

.nav-links a {
  text-decoration: none;
  color: var(--col-primary);
  font-weight: 600;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--col-accent);
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  background: var(--toggle-bg);
  color: var(--toggle-text);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  font: 600 0.9rem var(--font-body);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.theme-toggle-btn:hover {
  background: var(--toggle-hover);
}

.theme-toggle-btn:focus-visible {
  outline-offset: 3px;
}

.theme-icon {
  line-height: 1;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--col-accent);
  color: var(--col-white);
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.btn:hover {
  background-color: var(--col-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(216, 6, 33, 0.3);
}

.btn-primary {
  background-color: var(--col-primary);
}

.btn-primary:hover {
  background-color: var(--dk-bgd-col);
  box-shadow: 0 4px 12px rgba(15, 32, 75, 0.3);
}

.subscribe-section {
  background-color: var(--col-primary);
  color: var(--col-white);
  padding: 80px 20px;
  text-align: center;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.subscribe-section h2 {
  color: var(--col-white);
}

.subscribe-section .section-title::after {
  background-color: var(--col-white);
}

.subscribe-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.subscribe-form input[type="email"] {
  padding: 15px 20px;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-body);
  width: 100%;
  box-sizing: border-box;
}

.subscribe-form .btn {
  width: 100%;
}

@media (min-width: 600px) {
  .subscribe-form {
    flex-direction: row;
  }

  .subscribe-form .btn {
    width: auto;
    white-space: nowrap;
  }
}

footer {
  background-color: var(--col-primary);
  color: var(--text-light);
  padding: 50px 20px 20px;
  text-align: center;
  transition: background-color 0.25s ease, color 0.25s ease;
}

#displayQuote {
  margin: 0 auto 30px;
  max-width: 800px;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--col-white);
  opacity: 0.9;
}

#quoteAuthor {
  display: block;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 1rem;
  font-weight: 600;
  margin-top: 10px;
  color: var(--col-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.social-links a {
  color: var(--col-white);
  font-size: 1.5rem;
  margin: 0 10px;
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--col-accent);
}

#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: var(--col-primary);
  color: var(--col-white);
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: background-color 0.3s;
}

#myBtn:hover {
  background-color: var(--col-accent);
}

html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3,
html[data-theme="dark"] h4,
html[data-theme="dark"] h5,
html[data-theme="dark"] h6 {
  color: var(--text-primary);
}

html[data-theme="dark"] .navbar {
  background-color: var(--bg-card);
}

html[data-theme="dark"] .logo-text,
html[data-theme="dark"] .nav-links a {
  color: var(--text-primary);
}

html[data-theme="dark"] .principles,
html[data-theme="dark"] .podcast-section {
  background-color: var(--bg-page);
}

html[data-theme="dark"] .principle-card,
html[data-theme="dark"] .podcast-container {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

html[data-theme="dark"] .principle-card p {
  color: var(--text-secondary);
}

html[data-theme="dark"] .principle-icon {
  color: var(--text-primary);
}

html[data-theme="dark"] .btn-primary {
  background-color: var(--text-primary);
  color: #0d1117;
}

html[data-theme="dark"] .btn-primary:hover {
  background-color: var(--text-light);
}

html[data-theme="dark"] .subscribe-section {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

html[data-theme="dark"] .subscribe-section h2,
html[data-theme="dark"] .subscribe-section p {
  color: var(--text-primary);
}

html[data-theme="dark"] .subscribe-section .section-title::after {
  background-color: var(--text-primary);
}

html[data-theme="dark"] footer {
  background-color: #010409;
  color: var(--text-secondary);
}

html[data-theme="dark"] #displayQuote,
html[data-theme="dark"] .social-links a {
  color: var(--text-primary);
}

html[data-theme="dark"] #quoteAuthor,
html[data-theme="dark"] .social-links a:hover {
  color: #ff8795;
}

html[data-theme="dark"] #myBtn {
  background-color: var(--toggle-bg);
  color: var(--text-primary);
}

html[data-theme="dark"] .subscribe-form input[type="email"] {
  background-color: #0d1117;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

html[data-theme="dark"] .subscribe-form input[type="email"]::placeholder {
  color: var(--text-secondary);
}

@media (max-width: 760px) {
  .navbar {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 16px;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}