/* =========================================================
   High Dee Dev — Portfolio Stylesheet
   Author: High Dee Dev
   Version: 1.0.0
   ========================================================= */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Color System */
  --bg-deep:       #06090f;
  --bg-base:       #0a0e1a;
  --bg-surface:    #0f1523;
  --bg-elevated:   #141d2e;
  --bg-card:       #111827;
  --border:        #1a2640;
  --border-light:  #253655;

  /* Accent Palette */
  --cyan:          #00c8f8;
  --cyan-dim:      #00c8f820;
  --cyan-border:   #00c8f840;
  --amber:         #f0a500;
  --amber-dim:     #f0a50018;
  --green:         #22d37e;
  --green-dim:     #22d37e18;
  --purple:        #9b7fff;

  /* Text */
  --text-primary:  #dde6f0;
  --text-secondary:#7a91aa;
  --text-muted:    #4a5d72;
  --text-code:     #85cfff;

  /* Glow Effects */
  --glow-cyan:     0 0 20px #00c8f830, 0 0 40px #00c8f815;
  --glow-amber:    0 0 20px #f0a50030, 0 0 40px #f0a50015;

  /* Typography */
  --font-display:  'Syne', sans-serif;
  --font-body:     'DM Sans', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  /* Spacing */
  --section-pad:   100px;
  --card-radius:   12px;
  --btn-radius:    8px;

  /* Transitions */
  --ease:          cubic-bezier(0.23, 1, 0.32, 1);
  --t-fast:        0.18s var(--ease);
  --t-med:         0.35s var(--ease);
  --t-slow:        0.6s var(--ease);
}

/* ── Light Theme Overrides ── */
[data-theme="light"] {
  --bg-deep:       #f0f4f8;
  --bg-base:       #f5f8fc;
  --bg-surface:    #eaeff6;
  --bg-elevated:   #e0e8f2;
  --bg-card:       #ffffff;
  --border:        #cdd8e6;
  --border-light:  #b8c8dc;
  --text-primary:  #0f1a2c;
  --text-secondary:#3d5570;
  --text-muted:    #6f8aaa;
  --text-code:     #0070cc;
  --cyan-dim:      #00c8f812;
  --cyan-border:   #00c8f828;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--t-med), color var(--t-med);
}

::selection { background: var(--cyan-dim); color: var(--cyan); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

/* ── Noise texture overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; }
code, pre, .mono { font-family: var(--font-mono); }
a { text-decoration: none; color: inherit; }
img {display: block; }
ul { list-style: none; }

/* ── Utility ── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: var(--section-pad) 0; }
.text-cyan    { color: var(--cyan); }
.text-amber   { color: var(--amber); }
.text-muted   { color: var(--text-muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Section Label ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px; height: 1px;
  background: var(--cyan);
  opacity: 0.6;
}

/* ── Section Heading ── */
.section-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--text-primary);
  margin-bottom: 14px;
}
.section-subtext {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
}

/* ========================================================
   NAVIGATION
   ======================================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  padding: 20px 0;
  transition: all var(--t-med);
}
#navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] #navbar.scrolled {
  background: rgba(245, 248, 252, 0.9);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--cyan); }
.nav-logo .cursor {
  display: inline-block;
  width: 9px; height: 1.1em;
  background: var(--cyan);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 7px 14px;
  border-radius: 6px;
  transition: color var(--t-fast), background var(--t-fast);
  position: relative;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--cyan);
  background: var(--cyan-dim);
}
.nav-links a .nav-num {
  font-size: 0.65rem;
  color: var(--cyan);
  margin-right: 4px;
  opacity: 0.7;
}

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  width: 52px; height: 28px;
  cursor: pointer;
  position: relative;
  transition: border-color var(--t-fast);
  padding: 0;
}
.theme-toggle:hover { border-color: var(--cyan); }
.theme-toggle .toggle-knob {
  position: absolute;
  top: 4px; left: 4px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--t-med), background var(--t-fast);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6rem;
}
[data-theme="light"] .theme-toggle .toggle-knob {
  transform: translateX(24px);
  color: var(--amber);
  background-color: transparent;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--t-fast);
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(6, 9, 15, 0.97);
  z-index: 998;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  backdrop-filter: blur(20px);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}
.nav-mobile a:hover { color: var(--cyan); }
.nav-mobile-close {
  position: absolute;
  top: 22px; right: 24px;
  background: none; border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
}

/* ========================================================
   HERO
   ======================================================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

/* Grid background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
}

/* Radial glow */
#hero::after {
  content: '';
  position: absolute;
  top: 30%; left: 30%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, #00c8f810 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Hero left */
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: var(--glow-cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity:1; } 50% { transform: scale(1.4); opacity:0.7; } }

.hero-name {
  font-size: clamp(3rem, 6vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.0;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.hero-name .line2 { color: var(--cyan); }

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-role .separator { color: var(--amber); }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 460px;
  margin-bottom: 38px;
}
.hero-desc strong { color: var(--text-primary); font-weight: 500; }

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

/* Stat row */
.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat-item { display: flex; flex-direction: column; gap: 3px; }
.hero-stat-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.hero-stat-num span { color: var(--cyan); }
.hero-stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

/* Hero right — code window */
.hero-code-window {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
  position: relative;
}
.hero-code-window::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan-dim) 0%, transparent 50%);
  pointer-events: none;
}
.code-win-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.code-win-file {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}
.code-win-body {
  padding: 22px 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.85;
  overflow-x: auto;
}
.code-line { display: flex; gap: 18px; }
.ln { color: var(--text-muted); user-select: none; min-width: 20px; text-align: right; font-size: 0.72rem; }
.kw  { color: #c586c0; }
.fn  { color: #dcdcaa; }
.str { color: #ce9178; }
.cm  { color: #6a9955; font-style: italic; }
.var { color: var(--text-code); }
.op  { color: #d4d4d4; }
.num { color: #b5cea8; }
.prop{ color: #9cdcfe; }

/* ========================================================
   BUTTONS
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--btn-radius);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--t-fast);
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.06);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--cyan);
  color: #06090f;
  box-shadow: 0 4px 20px var(--cyan-border);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--cyan-border);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan-border);
  background: var(--cyan-dim);
}

.btn-sm { padding: 8px 16px; font-size: 0.76rem; }
.btn-amber {
  background: var(--amber);
  color: #06090f;
  box-shadow: 0 4px 20px #f0a50030;
}
.btn-amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px #f0a50045;
}

/* ========================================================
   ABOUT
   ======================================================== */
#about { padding: var(--section-pad) 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 20px;
  align-items: start;
}

.about-left { position: relative; }

.about-avatar-wrap {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
  border-top-left-radius: 50px;
  border-bottom-right-radius: 50px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}
.about-avatar-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan-dim) 0%, transparent 60%);
}
.about-avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.8rem;
}
.about-badge {
  position: absolute;
  bottom: -16px; right: -16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 130px;
}
.badge-val {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.badge-lbl { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

.about-story p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-story p:first-of-type { font-size: 1.08rem; color: var(--text-primary); }

.about-philosophy {
  margin-top: 28px;
  padding: 20px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 0 10px 10px 0;
}
.about-philosophy h4 {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
}
.about-philosophy p { color: var(--text-secondary); font-style: italic; margin: 0; }

.about-pillars {
  display: flex;
  margin-top: 28px;
}
.pillar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  justify-content: space-between;
  margin-left: 10px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.pillar:hover { border-color: var(--cyan-border); transform: translateY(-3px); }
.pillar-icon { font-size: 1.4rem; margin-bottom: 8px; }
.pillar h4 { font-size: 1.25rem; color: var(--text-primary); margin-bottom: 4px; }
.pillar p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.5; }

/* ========================================================
   TECH STACK
   ======================================================== */
#stack {
  padding: var(--section-pad) 0;
  background: var(--bg-surface);
  position: relative;
}
#stack::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-border), transparent);
}
#stack::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-border), transparent);
}

.stack-header { text-align: center; margin-bottom: 60px; }
.stack-header .section-label { justify-content: center; }
.stack-header .section-label::before { display: none; }
.stack-header .section-subtext { margin: 0 auto; }

.stack-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.stack-cat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 28px;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  position: relative;
  overflow: hidden;
}
.stack-cat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cat-accent, var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}
.stack-cat:hover::before { transform: scaleX(1); }
.stack-cat:hover {
  border-color: var(--cat-accent, var(--cyan-border));
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.stack-cat[data-cat="frontend"] { --cat-accent: var(--cyan); }
.stack-cat[data-cat="backend"]  { --cat-accent: var(--amber); }
.stack-cat[data-cat="database"] { --cat-accent: var(--green); }
.stack-cat[data-cat="tools"]    { --cat-accent: var(--purple); }

.cat-header { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.cat-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--cat-accent, var(--cyan-dim));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  opacity: 0.9;
  background: color-mix(in srgb, var(--cat-accent, var(--cyan)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--cat-accent, var(--cyan)) 25%, transparent);
}
.cat-name {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--cat-accent, var(--cyan));
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.skill-items { display: flex; flex-direction: column; gap: 14px; }
.skill-info { display: flex; justify-content: space-between; margin-bottom: 7px; }
.skill-name { font-size: 0.85rem; color: var(--text-primary); }
.skill-pct { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cat-accent, var(--cyan)); }
.skill-bar {
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: var(--cat-accent, var(--cyan));
  border-radius: 4px;
  width: 0;
  transition: width 1.2s var(--ease);
  box-shadow: 0 0 8px var(--cat-accent, var(--cyan));
}

/* ========================================================
   PROJECTS
   ======================================================== */
#projects { padding: var(--section-pad) 0; }

.projects-header { margin-bottom: 40px; }

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 7px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
  letter-spacing: 0.04em;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: all var(--t-med);
  position: relative;
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--cyan-border);
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(0,0,0,0.35), 0 0 0 1px var(--cyan-border);
}
.project-card.hidden { display: none; }

.project-thumb {
  max-height: 200px;
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-thumb-bg {
  position: absolute;
  inset: 0;
  background: var(--thumb-gradient, linear-gradient(135deg, #0a1628 0%, #0f2040 100%));
  transition: transform var(--t-slow);
}
.project-card:hover .project-thumb-bg { transform: scale(1.05); }
.project-thumb-pattern {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.3;
}
.project-thumb-label {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(255,255,255,0.06);
  letter-spacing: -0.04em;
  pointer-events: none;
}
.project-featured-badge {
  position: absolute;
  top: 12px; right: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--amber-dim);
  border: 1px solid var(--amber);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.project-links-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(6, 9, 15, 0.75);
  opacity: 0;
  transition: opacity var(--t-med);
  backdrop-filter: blur(4px);
}
.project-card:hover .project-links-overlay { opacity: 1; }
.project-link-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 7px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--t-fast);
  border: 1px solid transparent;
}
.project-link-btn.github {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.project-link-btn.github:hover { border-color: var(--text-primary); }
.project-link-btn.demo {
  background: var(--cyan);
  color: #06090f;
}
.project-link-btn.demo:hover { transform: scale(1.04); }

.project-content { padding: 22px 22px 18px; flex: 1; display: flex; flex-direction: column; }
.project-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 18px;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.project-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: 5px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.project-tag.accent { background: var(--cyan-dim); border-color: var(--cyan-border); color: var(--cyan); }

/* ========================================================
   TERMINAL
   ======================================================== */
#terminal-section { padding: var(--section-pad) 0; background: var(--bg-surface); position: relative; }
#terminal-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, #00c8f808 0%, transparent 60%);
  pointer-events: none;
}

.terminal-wrap { max-width: 760px; margin: 0 auto; }

.terminal-header { text-align: center; margin-bottom: 40px; }
.terminal-header .section-label { justify-content: center; }
.terminal-header .section-label::before { display: none; }

.terminal-window {
  background: #0b0f1a;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--border), var(--glow-cyan);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.terminal-actions { margin-left: auto; display: flex; gap: 6px; }
.terminal-action-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--t-fast);
}
.terminal-action-btn:hover { color: var(--cyan); border-color: var(--cyan-border); }

.terminal-body {
  padding: 22px;
  min-height: 340px;
  max-height: 440px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.7;
}
.t-line { margin-bottom: 2px; white-space: pre;}
.t-prompt { color: var(--cyan); }
.t-prompt .t-at { color: var(--amber); }
.t-prompt .t-path { color: var(--green); }
.t-output { color: var(--text-secondary); padding-left: 16px; }
.t-output.success { color: var(--green); }
.t-output.error { color: #f87171; }
.t-output.highlight { color: var(--cyan); }
.t-output.amber { color: var(--amber); }
.t-output.table { display: grid; grid-template-columns: 160px 1fr; gap: 4px 16px; }
.t-output.table .k { color: var(--text-muted); }
.t-output.table .v { color: var(--text-primary); }
.t-blank { height: 6px; }

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}
.terminal-prompt-prefix {
  font-family: var(--font-mono);
  font-size: 0.83rem;
  color: var(--cyan);
  white-space: nowrap;
}
.terminal-prompt-prefix .t-at { color: var(--amber); }
.terminal-prompt-prefix .t-path { color: var(--green); }
#terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  color: var(--text-primary);
  caret-color: var(--cyan);
}

/* ========================================================
   SERVICES
   ======================================================== */
#services { padding: var(--section-pad) 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 20px;
  margin-top: 50px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 30px;
  transition: all var(--t-med);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}
.service-card:hover::after { transform: scaleX(1); }
.service-card:hover {
  border-color: var(--cyan-border);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.service-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.service-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 10px;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: all var(--t-fast);
}
.service-card:hover .service-icon-wrap {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: scale(1.08) rotate(-4deg);
}
.service-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.service-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }

/* ========================================================
   GITHUB
   ======================================================== */
#github { padding: var(--section-pad) 0; background: var(--bg-surface); position: relative; }
#github::before, #github::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}
#github::before { top: 0; }
#github::after { bottom: 0; }

.github-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.github-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.gh-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
  transition: all var(--t-fast);
}
.gh-stat-card:hover { border-color: var(--cyan-border); transform: translateY(-3px); }
.gh-stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 6px;
}
.gh-stat-num span { color: var(--cyan); }
.gh-stat-lbl { font-size: 0.78rem; color: var(--text-muted); }

.github-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 26px;
}
.github-profile-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.gh-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--text-muted);
  flex-shrink: 0;
}
.gh-username { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.gh-handle { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }
.gh-open-btn {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
  text-decoration: none;
}
.gh-open-btn:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }

.gh-contribution-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Contribution grid */
.contribution-grid {
  display: grid;
  grid-template-columns: repeat(52, 1fr);
  gap: 3px;
  overflow-x: auto;
}
.contrib-day {
  aspect-ratio: 1;
  border-radius: 2px;
  background: var(--border);
  transition: background var(--t-fast);
  cursor: pointer;
}
.contrib-day[data-level="1"] { background: #1a4a2e; }
.contrib-day[data-level="2"] { background: #1e6b38; }
.contrib-day[data-level="3"] { background: #22a14e; }
.contrib-day[data-level="4"] { background: var(--green); box-shadow: 0 0 4px var(--green); }
.contrib-day:hover { opacity: 0.8; transform: scale(1.3); }

.contrib-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  justify-content: flex-end;
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.legend-box {
  width: 10px; height: 10px;
  border-radius: 2px;
  background: var(--border);
}
.legend-box.l1 { background: #1a4a2e; }
.legend-box.l2 { background: #1e6b38; }
.legend-box.l3 { background: #22a14e; }
.legend-box.l4 { background: var(--green); }

/* ========================================================
   CONTACT
   ======================================================== */
#contact { padding: var(--section-pad) 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--text-secondary); line-height: 1.75; margin-bottom: 32px; }

.contact-channels { display: flex; flex-direction: column; gap: 14px; }
.contact-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all var(--t-fast);
  cursor: pointer;
  text-decoration: none;
}
.contact-channel:hover {
  border-color: var(--cyan-border);
  background: var(--cyan-dim);
  transform: translateX(4px);
}
.ch-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.ch-icon.gh  { background: #ffffff10; border: 1px solid #ffffff20; }
.ch-icon.li  { background: #0a66c210; border: 1px solid #0a66c230; }
.ch-icon.em  { background: var(--cyan-dim); border: 1px solid var(--cyan-border); }
.ch-label { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 2px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; }
.ch-value { font-size: 0.9rem; color: var(--text-primary); }

/* Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 34px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--cyan-border);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-submit { width: 100%; padding: 14px; font-size: 0.9rem; justify-content: center; }

/* Toast notification */
.toast {
  position: fixed;
  bottom: 28px; right: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--t-med);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: var(--green); }
.toast.success .toast-icon { color: var(--green); }
.toast.error { border-color: #f87171; }
.toast.error .toast-icon { color: #f87171; }

/* ========================================================
   FOOTER
   ======================================================== */
footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 50px 0 32px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.footer-logo span { color: var(--cyan); }

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: color var(--t-fast);
}
.footer-links a:hover { color: var(--cyan); }

.footer-social {
  display: flex;
  gap: 14px;
}
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--text-muted);
  transition: all var(--t-fast);
}
.footer-social a:hover {
  color: var(--cyan);
  border-color: var(--cyan-border);
  background: var(--cyan-dim);
  transform: translateY(-3px);
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.8;
}
.footer-copy span { color: var(--cyan); }

/* ========================================================
   SCROLL ANIMATIONS
   ======================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================================================
   BACK TO TOP
   ======================================================== */
#back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 40px; height: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--t-fast);
  z-index: 99;
  font-size: 0.9rem;
  color: var(--text-muted);
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
#back-to-top:hover {
  color: var(--cyan);
  border-color: var(--cyan-border);
  background: var(--cyan-dim);
}

/* ========================================================
   CUSTOM CURSOR ACCENT
   ======================================================== */
.cursor-dot {
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  mix-blend-mode: screen;
  opacity: 0;
}
@media (hover: hover) { .cursor-dot { opacity: 1; } }

/* ========================================================
   RESPONSIVE
   ======================================================== */
@media (max-width: 992px) {
  .hero-inner, .about-grid, .github-inner, .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero-right { order: -1; }
  .about-avatar-wrap { max-width: 100%; aspect-ratio: 16/9; }
  .about-badge { right: 0; }
  .github-inner { gap: 40px; }
}

@media (max-width: 768px) {
  :root { --section-pad: 70px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-name { font-size: clamp(2.4rem, 10vw, 3.5rem); }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stack-categories { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .github-stats-grid { grid-template-columns: 1fr 1fr; }
  .about-pillars { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stack-categories { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .contact-form-wrap { padding: 22px; }
}