@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --orange:    #E8710A;
  --orange-lt: #F59234;
  --dark:      #2B2B2B;
  --dark-2:    #1A1A1A;
  --mid:       #444444;
  --light-bg:  #F5F4F2;
  --white:     #FFFFFF;
  --border:    #E0DEDD;
  --shadow:    0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.13);
  --radius:    14px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--light-bg);
  color: var(--dark);
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--dark);
}
p { line-height: 1.7; color: var(--mid); }
a { text-decoration: none; color: inherit; }
.highlight { color: var(--orange); }

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img { width: 38px; height: 38px; object-fit: contain;  border-radius: 6px; }
.nav-logo span {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.5px;
}
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--mid);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--orange); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  padding: 1rem 2rem;
  border-top: 1px solid var(--border);
}
.mobile-menu a {
  padding: 0.6rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--mid);
  border-bottom: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }

/* FOOTER */
.footer {
  background: var(--dark-2);
  color: #aaa;
  padding: 2.5rem 2rem 1.5rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.footer-brand { display: flex; align-items: center; gap: 8px; }
.footer-brand img {
  width: 30px; height: 30px;
  object-fit: contain;
  opacity: 0.8;
}
.footer-brand span {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}
.footer-tagline {
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #888;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  font-size: 0.85rem;
  color: #aaa;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--orange); }
.footer-copy { font-size: 0.78rem; color: #666; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}
/* ============================================
   DARK MODE
   ============================================ */
body.dark {
  background: #0F0F0F;
  color: #E0E0E0;
}
body.dark h1,
body.dark h2,
body.dark h3,
body.dark h4 { color: #F0F0F0; }

body.dark p { color: #AAAAAA; }

/* Navbar */
body.dark .navbar {
  background: #1A1A1A;
  border-bottom-color: #2A2A2A;
}
body.dark .nav-logo span { color: #F0F0F0; }
body.dark .nav-links a { color: #AAAAAA; }
body.dark .nav-links a:hover,
body.dark .nav-links a.active { color: var(--orange); }
body.dark .hamburger span { background: #F0F0F0; }
body.dark .mobile-menu {
  background: #1A1A1A;
  border-top-color: #2A2A2A;
}
body.dark .mobile-menu a { color: #AAAAAA; border-bottom-color: #2A2A2A; }

/* Cards */
body.dark .action-card,
body.dark .step,
body.dark .about-card,
body.dark .ed-card,
body.dark .result-box {
  background: #1A1A1A;
  border-color: #2A2A2A;
}

/* Inputs */
body.dark textarea,
body.dark .key-input,
body.dark .input-group {
  background: #1A1A1A;
  border-color: #2A2A2A;
  color: #E0E0E0;
}
body.dark .input-group input { color: #E0E0E0; }
body.dark .result-value {
  background: #111;
  border-color: #2A2A2A;
  color: #E0E0E0;
}

/* Contact info side already dark — keep as is */
body.dark .about-story { background: #1A1A1A; }

/* Footer stays dark already */

/* Dark toggle button */
.dark-toggle {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 0.3rem 0.7rem;
  font-size: 1rem;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  margin-right: 0.5rem;
}
.dark-toggle:hover { border-color: var(--orange); background: #FFF8F0; }
body.dark .dark-toggle {
  border-color: #444;
  background: #1A1A1A;
}
body.dark .dark-toggle:hover { border-color: var(--orange); }