/* Portfolio - Dark theme with blue/purple gradients (reference style) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* Dark / Night theme (default) */
:root {
  --bg: #0c0f1a;
  --bg-card: #131829;
  --bg-elevated: #1a1f35;
  --text: #e8eaf0;
  --text-muted: #94a3b8;
  --accent: #7dd3fc;
  --accent-purple: #a78bfa;
  --gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #c084fc 100%);
  --gradient-text: linear-gradient(135deg, #7dd3fc 0%, #a78bfa 100%);
  --border: #1e293b;
  --radius: 12px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
  --glow: 0 0 30px rgba(125, 211, 252, 0.15);
  --nav-bg: rgba(12, 15, 26, 0.9);
}

/* Light theme */
[data-theme="light"] {
  --bg: #f0f4f8;
  --bg-card: #ffffff;
  --bg-elevated: #e2e8f0;
  --text: #0f172a;
  --text-muted: #475569;
  --accent: #0369a1;
  --accent-purple: #7c3aed;
  --gradient: linear-gradient(135deg, #0284c7 0%, #7c3aed 100%);
  --gradient-text: linear-gradient(135deg, #0369a1 0%, #7c3aed 100%);
  --border: #cbd5e1;
  --glow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --nav-bg: rgba(240, 244, 248, 0.95);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Navigation - with logo, active highlight, Hire Me */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.85rem 2rem;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

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

.nav-links a.active {
  background: rgba(125, 211, 252, 0.15);
  color: var(--accent);
}

.nav-hire {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.15rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  background: var(--gradient);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity var(--transition), transform 0.2s ease;
}

.nav-hire:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Dark / Night theme toggle button */
.theme-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: rgba(125, 211, 252, 0.4);
  background: rgba(125, 211, 252, 0.08);
}
[data-theme="light"] .theme-toggle {
  background: #1e293b;
  color: #fbbf24;
  border-color: #334155;
}
[data-theme="light"] .theme-toggle:hover {
  background: #334155;
  color: #fcd34d;
}
.theme-icon {
  display: none;
}
.theme-icon-sun { display: block; }
.theme-icon-moon { display: none; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }
[data-theme="light"] .theme-icon-moon { color: #e2e8f0; }

/* Main content */
body:not(.slider-mode) main {
  padding-top: 72px;
  min-height: 100vh;
}
.slider-mode .panel main { padding-top: 0; }
.slider-mode .panel .container { padding-top: 0; }

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Page titles - gradient accent */
.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.page-title .gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* Cards - subtle glow on hover */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: rgba(125, 211, 252, 0.25);
  box-shadow: var(--glow);
}

/* Section badge (e.g. "GET IN TOUCH", "My Work") */
.section-badge {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.site-footer {
  margin-top: 4rem;
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

/* Full footer - Quick Links, Connect, Back to Top */
.site-footer-full {
  margin-top: 4rem;
  padding: 2rem 2rem 1.5rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
}
.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 280px;
}
.footer-links h3,
.footer-connect h3 {
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }
.footer-connect .footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity var(--transition);
}
.footer-btn-gh {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}
.footer-btn-li {
  background: #0a66c2;
  color: #fff;
}
.footer-btn:hover { opacity: 0.9; }
.footer-email-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.75rem 0 0.25rem;
}
.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-bottom {
  max-width: 1000px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.back-to-top {
  color: var(--text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: color var(--transition);
}
.back-to-top:hover { color: var(--accent); }

@media (max-width: 768px) {
  .nav { padding: 0.75rem 1rem; }
  .nav-links { gap: 0; font-size: 0.85rem; }
  .nav-links a { padding: 0.4rem 0.6rem; }
  .container { padding: 1.5rem; }
  .page-title { font-size: 2rem; }
}