/* ============================================
   CSS CUSTOM PROPERTIES (THEME)
   ============================================ */
:root {
  --color-bg: #f4f7f4;
  --color-surface: #ffffff;
  --color-surface-2: #edf2ed;
  --color-nav-bg: #0f1f0f;
  --color-nav-link: #9dbf9d;
  --color-nav-link-hover: #4dbb77;
  --color-text: #1a201a;
  --color-text-muted: #536653;
  --color-accent: #2d8a52;
  --color-accent-hover: #236b40;
  --color-accent-light: rgba(45, 138, 82, 0.1);
  --color-border: #ccdacc;
  --color-shadow: rgba(0, 0, 0, 0.06);

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --nav-height: 64px;
  --radius: 8px;
  --transition: 0.2s ease;
}

[data-theme="dark"] {
  --color-bg: #0d1117;
  --color-surface: #161b22;
  --color-surface-2: #1a2620;
  --color-nav-bg: #090e09;
  --color-nav-link: #6a946a;
  --color-nav-link-hover: #3dba6a;
  --color-text: #e6edf3;
  --color-text-muted: #7a9a7a;
  --color-accent: #3dba6a;
  --color-accent-hover: #52cc80;
  --color-accent-light: rgba(61, 186, 106, 0.1);
  --color-border: #1e3626;
  --color-shadow: rgba(0, 0, 0, 0.35);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-accent-hover); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  color: var(--color-text);
  margin-top: 0;
}

/* ============================================
   TOP NAVBAR
   ============================================ */
#mainNav {
  background-color: var(--color-nav-bg);
  height: var(--nav-height);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background-color 0.3s ease;
}

#mainNav .container-fluid {
  height: 100%;
}

#mainNav .navbar-brand {
  font-family: var(--font-mono);
  color: var(--color-accent) !important;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0;
}

#mainNav .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.2);
  padding: 0.3rem 0.6rem;
}
#mainNav .navbar-toggler:focus { box-shadow: none; }
#mainNav .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28157, 191, 157, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

#mainNav .navbar-collapse {
  background-color: var(--color-nav-bg);
  padding: 0 1rem;
}

#mainNav .nav-link {
  color: var(--color-nav-link) !important;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem !important;
  transition: color var(--transition);
  border-bottom: 2px solid transparent;
}

#mainNav .nav-link:hover {
  color: var(--color-nav-link-hover) !important;
}

#mainNav .nav-link.active {
  color: var(--color-nav-link-hover) !important;
  border-bottom-color: var(--color-accent);
}

.nav-icons {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: 1rem;
}

.nav-icon-link {
  color: var(--color-nav-link);
  font-size: 1rem;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
}
.nav-icon-link:hover {
  color: var(--color-nav-link-hover);
  background-color: rgba(255, 255, 255, 0.06);
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: var(--color-nav-link);
  cursor: pointer;
  padding: 0.3rem 0.55rem;
  font-size: 0.85rem;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}
.theme-toggle:hover {
  color: var(--color-nav-link-hover);
  border-color: var(--color-accent);
}

/* Mobile nav spacing */
@media (max-width: 991px) {
  #mainNav .navbar-collapse {
    padding-bottom: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 0.5rem;
  }
  .nav-icons {
    margin-left: 0;
    padding: 0.5rem 0;
  }
  #mainNav .nav-link.active {
    border-bottom: none;
    color: var(--color-nav-link-hover) !important;
  }
}

/* ============================================
   PAGE WRAPPER
   ============================================ */
main {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

/* ============================================
   LANDING — HERO
   ============================================ */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 65% 45%, var(--color-accent-light) 0%, transparent 65%);
  pointer-events: none;
}

/* subtle dot grid */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--color-border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: block;
}

.hero-name {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.0;
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.hero-name .accent { color: var(--color-accent); }

.hero-typed-wrapper {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2.2vw, 1.2rem);
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
  min-height: 2rem;
}

.hero-typed-wrapper .typed-cursor {
  color: var(--color-accent);
}

.hero-bio {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary-custom {
  background-color: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
  padding: 0.65rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition);
  display: inline-block;
}
.btn-primary-custom:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-custom {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  padding: 0.65rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition);
  display: inline-block;
}
.btn-outline-custom:hover {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ============================================
   LANDING — WHAT I DO
   ============================================ */
.what-i-do {
  padding: 5rem 1.5rem;
  background-color: var(--color-surface);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  font-size: 0.95rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.feature-card {
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px var(--color-shadow);
  border-color: var(--color-accent);
}
.feature-icon {
  font-size: 1.75rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}
.feature-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.6rem;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.65;
}

/* ============================================
   PAGE HEADER (Resume & Portfolio)
   ============================================ */
.page-header {
  padding: 3.5rem 1.5rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}

.page-header h1 .accent { color: var(--color-accent); }

.page-header p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ============================================
   RESUME PAGE
   ============================================ */
.resume-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

.resume-section {
  margin-bottom: 3rem;
}

.resume-section-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.resume-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

.resume-entry {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  margin-bottom: 0.75rem;
  transition: border-color var(--transition);
}
.resume-entry:hover { border-color: var(--color-accent); }

.resume-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.2rem;
}

.resume-entry-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  margin: 0;
}

.resume-entry-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  white-space: nowrap;
  padding: 0.15rem 0.6rem;
  background-color: var(--color-accent-light);
  border-radius: 20px;
}

.resume-entry-company {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.resume-entry ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}
.resume-entry ul li { margin-bottom: 0.3rem; }
.resume-entry ul li:last-child { margin-bottom: 0; }

/* Skills */
.dev-icons-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 1.75rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}
.dev-icons-row i { transition: color var(--transition); }
.dev-icons-row i:hover { color: var(--color-accent); }

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.75rem;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-weight: 500;
}

/* Education extras */
.edu-detail {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}

/* ============================================
   PORTFOLIO PAGE
   ============================================ */
.portfolio-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px var(--color-shadow);
  border-color: var(--color-accent);
}

.project-thumbnail {
  width: 100%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.project-thumbnail .thumb-icon {
  font-size: 3.5rem;
  opacity: 0.75;
  color: #fff;
  position: relative;
  z-index: 1;
}
.project-thumbnail .thumb-label {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  z-index: 1;
}

.thumb-movie {
  background: linear-gradient(135deg, #1a3a28 0%, #0f2219 50%, #2a5038 100%);
}
.thumb-game {
  background: linear-gradient(135deg, #0d2b14 0%, #1a4a22 50%, #0a1e0d 100%);
}

.project-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}
.project-description {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.65;
  flex: 1;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.project-links {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  transition: all var(--transition);
}
.project-link-github {
  background-color: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.project-link-github:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.project-link-live {
  background-color: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}
.project-link-live:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background-color: var(--color-nav-bg);
  color: var(--color-nav-link);
  text-align: center;
  padding: 1.75rem 1.5rem;
  font-size: 0.82rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
footer a {
  color: var(--color-accent);
  text-decoration: none;
}
footer a:hover { color: var(--color-accent-hover); }