/* ============================================================
   CYBERPUNK ANIME PORTFOLIO — styles.css
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================================
   CSS VARIABLES — DARK THEME (default)
   ============================================================ */
:root {
  --bg:           #070812;
  --bg2:          #0B1020;
  --bg3:          #0F1530;
  --panel:        rgba(255,255,255,0.05);
  --panel-border: rgba(0,245,255,0.18);
  --text:         #EAF2FF;
  --muted:        rgba(234,242,255,0.62);
  --neon-cyan:    #00F5FF;
  --neon-magenta: #FF2BD6;
  --neon-purple:  #8A5CFF;
  --neon-green:   #7CFF6B;
  --neon-yellow:  #FFE93D;
  --glow-cyan:    0 0 8px #00F5FF, 0 0 24px rgba(0,245,255,0.45), 0 0 48px rgba(0,245,255,0.18);
  --glow-magenta: 0 0 8px #FF2BD6, 0 0 24px rgba(255,43,214,0.45), 0 0 48px rgba(255,43,214,0.18);
  --glow-purple:  0 0 8px #8A5CFF, 0 0 24px rgba(138,92,255,0.45);
  --glow-green:   0 0 8px #7CFF6B, 0 0 24px rgba(124,255,107,0.4);
  --navbar-bg:    rgba(7,8,18,0.85);
  --card-bg:      rgba(255,255,255,0.05);
  --card-border:  rgba(0,245,255,0.2);
  --shadow:       0 8px 32px rgba(0,0,0,0.55);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   0.3s cubic-bezier(0.4,0,0.2,1);
  --font-head:    'Orbitron', sans-serif;
  --font-body:    'Inter', sans-serif;
}

/* ============================================================
   CSS VARIABLES — LIGHT (MUTED) THEME
   ============================================================ */
[data-theme="light"] {
  --bg:           #E2E6F4;
  --bg2:          #D8DCEE;
  --bg3:          #CDD2E8;
  --panel:        rgba(255,255,255,0.52);
  --panel-border: rgba(0,180,210,0.22);
  --text:         #0B1020;
  --muted:        rgba(11,16,32,0.68);
  --neon-cyan:    #0099B8;
  --neon-magenta: #C4009A;
  --neon-purple:  #6638CC;
  --neon-green:   #2E9E24;
  --neon-yellow:  #B89000;
  --glow-cyan:    0 0 5px rgba(0,153,184,0.45), 0 0 14px rgba(0,153,184,0.2);
  --glow-magenta: 0 0 5px rgba(196,0,154,0.35), 0 0 14px rgba(196,0,154,0.15);
  --glow-purple:  0 0 5px rgba(102,56,204,0.35), 0 0 14px rgba(102,56,204,0.15);
  --glow-green:   0 0 5px rgba(46,158,36,0.35), 0 0 14px rgba(46,158,36,0.12);
  --navbar-bg:    rgba(216,220,238,0.88);
  --card-bg:      rgba(255,255,255,0.55);
  --card-border:  rgba(0,153,184,0.25);
  --shadow:       0 8px 32px rgba(11,16,32,0.12);
}

/* ============================================================
   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);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
  position: relative;
}

/* ============================================================
   ANIMATED BACKGROUND LAYERS
   ============================================================ */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Gradient orbs */
.bg-layer::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 20%, rgba(138,92,255,0.14) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 80%, rgba(0,245,255,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 60% 10%, rgba(255,43,214,0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 50%, var(--bg3) 100%);
  animation: bgPulse 12s ease-in-out infinite alternate;
}

@keyframes bgPulse {
  0%   { opacity: 1; }
  50%  { opacity: 0.85; }
  100% { opacity: 1; }
}

/* Scanlines */
.bg-layer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,245,255,0.018) 2px,
    rgba(0,245,255,0.018) 4px
  );
  pointer-events: none;
}

/* Grid overlay */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,245,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

[data-theme="light"] .bg-layer::before {
  background:
    radial-gradient(ellipse 70% 50% at 15% 20%, rgba(102,56,204,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 80%, rgba(0,153,184,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 60% 10%, rgba(196,0,154,0.05) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 50%, var(--bg3) 100%);
}

[data-theme="light"] .bg-layer::after {
  opacity: 0.3;
}

[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(0,153,184,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,153,184,0.06) 1px, transparent 1px);
}

/* ============================================================
   FLOATING PARTICLES
   ============================================================ */
.particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  animation: floatParticle linear infinite;
}

@keyframes floatParticle {
  0%   { transform: translateY(110vh) scale(0); opacity: 0; }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.5; }
  100% { transform: translateY(-10vh) scale(1.2); opacity: 0; }
}

/* ============================================================
   CURSOR GLOW
   ============================================================ */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0,245,255,0.06) 0%, transparent 70%);
  transition: transform 0.1s linear;
}

/* ============================================================
   PAGE WRAPPER
   ============================================================ */
.page-wrapper {
  position: relative;
  z-index: 2;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--navbar-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--panel-border);
  transition: background var(--transition), border-color var(--transition);
}

.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-decoration: none;
  text-shadow: var(--glow-cyan);
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: color var(--transition);
}

.nav-logo span { color: var(--neon-magenta); text-shadow: var(--glow-magenta); }

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

.nav-links a {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all var(--transition);
  position: relative;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  outline: none;
  background: rgba(0,245,255,0.06);
}

.nav-links a:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

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

/* Theme Toggle */
.theme-toggle {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 50px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
  transition: all var(--transition);
  white-space: nowrap;
}

.theme-toggle:hover {
  background: rgba(0,245,255,0.1);
  box-shadow: var(--glow-cyan);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

.theme-toggle .icon { font-size: 0.9rem; transition: transform 0.4s; }
.theme-toggle:hover .icon { transform: rotate(20deg); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  cursor: pointer;
  padding: 0.5rem;
  transition: all var(--transition);
}

.burger:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 2px; }

.burger span {
  display: block;
  height: 2px;
  background: var(--neon-cyan);
  border-radius: 2px;
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 6px rgba(0,245,255,0.6);
}

.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0; right: 0;
  background: var(--navbar-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--panel-border);
  z-index: 999;
  flex-direction: column;
  padding: 1rem 1.5rem;
  gap: 0.25rem;
  transform: translateY(-20px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1), opacity 0.35s;
}

.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a:focus {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  background: rgba(0,245,255,0.06);
  outline: none;
}

.mobile-menu a:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 2px; }

/* ============================================================
   SECTION BASE
   ============================================================ */
section {
  padding: 100px 1.5rem 80px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

.section-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 2.5rem;
  line-height: 1.15;
}

.section-title span { color: var(--neon-cyan); text-shadow: var(--glow-cyan); }

/* ============================================================
   GLASS CARD
   ============================================================ */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow), var(--glow-cyan);
}

/* ============================================================
   NEON CHIP / TAG
   ============================================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.28rem 0.65rem;
  border-radius: 50px;
  border: 1px solid currentColor;
  white-space: nowrap;
  transition: all var(--transition);
}

.chip-cyan   { color: var(--neon-cyan);    background: rgba(0,245,255,0.08);    }
.chip-magenta{ color: var(--neon-magenta); background: rgba(255,43,214,0.08);  }
.chip-purple { color: var(--neon-purple);  background: rgba(138,92,255,0.08);  }
.chip-green  { color: var(--neon-green);   background: rgba(124,255,107,0.08); }
.chip-yellow { color: var(--neon-yellow);  background: rgba(255,233,61,0.08);  }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::before { opacity: 1; }

.btn-cyan {
  background: transparent;
  color: var(--neon-cyan);
  border: 1.5px solid var(--neon-cyan);
  box-shadow: inset 0 0 12px rgba(0,245,255,0.08);
}

.btn-cyan:hover, .btn-cyan:focus-visible {
  background: rgba(0,245,255,0.12);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
  outline: none;
}

.btn-magenta {
  background: transparent;
  color: var(--neon-magenta);
  border: 1.5px solid var(--neon-magenta);
  box-shadow: inset 0 0 12px rgba(255,43,214,0.08);
}

.btn-magenta:hover, .btn-magenta:focus-visible {
  background: rgba(255,43,214,0.12);
  box-shadow: var(--glow-magenta);
  transform: translateY(-2px);
  outline: none;
}

.btn-purple {
  background: transparent;
  color: var(--neon-purple);
  border: 1.5px solid var(--neon-purple);
  box-shadow: inset 0 0 12px rgba(138,92,255,0.08);
}

.btn-purple:hover, .btn-purple:focus-visible {
  background: rgba(138,92,255,0.12);
  box-shadow: var(--glow-purple);
  transform: translateY(-2px);
  outline: none;
}

.btn-solid-cyan {
  background: var(--neon-cyan);
  color: var(--bg);
  border: 1.5px solid var(--neon-cyan);
  font-weight: 800;
}

.btn-solid-cyan:hover, .btn-solid-cyan:focus-visible {
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
  outline: none;
  filter: brightness(1.1);
}

/* Glitch animation on hover */
@keyframes glitch {
  0%,100% { clip-path: none; transform: translateY(-2px); }
  20% { clip-path: polygon(0 15%, 100% 15%, 100% 35%, 0 35%); transform: translate(-2px, -2px); }
  40% { clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); transform: translate(2px, 0); }
  60% { clip-path: none; transform: translateY(-2px); }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 60px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon-green);
  background: rgba(124,255,107,0.08);
  border: 1px solid var(--neon-green);
  border-radius: 50px;
  padding: 0.35rem 0.85rem;
  margin-bottom: 1.25rem;
  width: fit-content;
  text-shadow: var(--glow-green);
}

.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: var(--glow-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.hero-title .name {
  display: block;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradientShift 4s linear infinite;
  text-shadow: none;
}

@keyframes gradientShift {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-title .sub {
  display: block;
  color: var(--text);
  font-size: 0.55em;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-tagline {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 1.5rem;
}

.hero-tagline strong { color: var(--neon-cyan); font-weight: 600; }

.hero-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

/* Status Panel */
.status-panel {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  width: fit-content;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

.status-item .icon { font-size: 0.85rem; }

/* Avatar */
.hero-avatar-wrap {
  position: relative;
  width: 260px;
  height: 260px;
  flex-shrink: 0;
}

.hero-avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: conic-gradient(
    var(--neon-cyan) 0deg,
    var(--neon-purple) 120deg,
    var(--neon-magenta) 240deg,
    var(--neon-cyan) 360deg
  );
  animation: spinRing 6s linear infinite;
  z-index: 1;
}

@keyframes spinRing {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-avatar-ring::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg2);
}

.hero-avatar {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid transparent;
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* Fallback initials */
.avatar-fallback {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg3), var(--bg2));
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  letter-spacing: -0.05em;
}

.hero-avatar-glow {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,255,0.12) 0%, transparent 65%);
  z-index: 0;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%,100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}

/* Corner decorations */
.hero-corner {
  position: absolute;
  width: 40px; height: 40px;
  border-color: var(--neon-cyan);
  border-style: solid;
  opacity: 0.5;
}
.hero-corner.tl { top: -8px; left: -8px; border-width: 2px 0 0 2px; border-radius: 4px 0 0 0; }
.hero-corner.br { bottom: -8px; right: -8px; border-width: 0 2px 2px 0; border-radius: 0 0 4px 0; }

/* ============================================================
   EDUCATION — TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-cyan), var(--neon-purple), var(--neon-magenta));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 1.2rem;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--bg2);
  border: 2px solid var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-dot::after {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}

.timeline-card {
  padding: 1.5rem 1.75rem;
}

.timeline-date {
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--neon-cyan);
  margin-bottom: 0.35rem;
}

.timeline-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.timeline-subtitle {
  font-size: 0.88rem;
  color: var(--neon-purple);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.timeline-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.cert-card {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.cert-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(138,92,255,0.12);
  border: 1px solid rgba(138,92,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 0.85rem;
}

.cert-title {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.3rem;
  line-height: 1.3;
}

.cert-issuer {
  font-size: 0.8rem;
  color: var(--neon-purple);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.cert-date {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
  font-family: var(--font-head);
  letter-spacing: 0.08em;
}

.cert-link {
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all var(--transition);
}

.cert-link:hover, .cert-link:focus-visible {
  text-shadow: var(--glow-cyan);
  gap: 0.55rem;
  outline: none;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg3), var(--bg2));
  border-bottom: 1px solid var(--card-border);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img img { transform: scale(1.04); }

.project-img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.project-img-placeholder .img-icon { font-size: 2.5rem; opacity: 0.4; }

.project-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(138,92,255,0.08), rgba(0,245,255,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-img-overlay { opacity: 1; }

.project-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-num {
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--neon-magenta);
  margin-bottom: 0.4rem;
  text-shadow: var(--glow-magenta);
}

.project-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.855rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 1rem;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.project-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ============================================================
   BLOG PREVIEW
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.blog-card {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.blog-card-tag {
  margin-bottom: 0.75rem;
}

.blog-card-date {
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.blog-card-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.blog-card-excerpt {
  font-size: 0.835rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.blog-card-link {
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all var(--transition);
}

.blog-card-link:hover { gap: 0.55rem; text-shadow: var(--glow-cyan); }

.blog-cta {
  text-align: center;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-text p {
  font-size: 0.925rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-text p:last-child { margin-bottom: 0; }

.about-text strong { color: var(--text); font-weight: 600; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  padding: 1.25rem;
  text-align: center;
}

.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--panel-border);
  background: var(--navbar-bg);
  backdrop-filter: blur(14px);
  padding: 0;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand .nav-logo { font-size: 1.15rem; }
.footer-brand p {
  font-size: 0.845rem;
  color: var(--muted);
  margin-top: 0.75rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.845rem;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--neon-cyan); }

.footer-social {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-btn {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.1rem;
  transition: all var(--transition);
  color: var(--muted);
}

.social-btn:hover, .social-btn:focus-visible {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
  outline: none;
}

.footer-bottom {
  border-top: 1px solid var(--panel-border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--font-head);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.footer-copy span { color: var(--neon-cyan); }

/* ============================================================
   BLOG PAGE — blog.html specific
   ============================================================ */
.blog-page-header {
  padding: 100px 1.5rem 60px;
  text-align: center;
  max-width: 1280px;
  margin: 0 auto;
}

.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-decoration: none;
  border: 1px solid var(--neon-cyan);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all var(--transition);
  margin-bottom: 2rem;
}

.blog-back-link:hover, .blog-back-link:focus-visible {
  background: rgba(0,245,255,0.08);
  box-shadow: var(--glow-cyan);
  outline: none;
}

.blog-page-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.blog-page-title span { color: var(--neon-cyan); text-shadow: var(--glow-cyan); }

.blog-page-subtitle {
  font-size: 1rem;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.65;
}

/* Blog filters */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-btn {
  font-family: var(--font-head);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 50px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0,245,255,0.08);
  box-shadow: var(--glow-cyan);
}

.filter-btn:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 2px; }

.blog-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem 80px;
}

.blog-post-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.blog-post-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  transition: width 0.4s ease;
}

.blog-post-card:hover::after { width: 100%; }

.post-tag { margin-bottom: 0.75rem; }
.post-date {
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.post-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.post-excerpt {
  font-size: 0.845rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
}

.post-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px solid var(--panel-border);
  padding-top: 1rem;
  margin-top: auto;
}

.read-time {
  font-family: var(--font-head);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.read-more {
  font-family: var(--font-head);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all var(--transition);
}

.read-more:hover { gap: 0.55rem; text-shadow: var(--glow-cyan); }

/* ============================================================
   DIVIDER
   ============================================================ */
.neon-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
  margin: 0 auto;
  opacity: 0.3;
}

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 500;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  box-shadow: var(--glow-cyan);
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover { background: rgba(0,245,255,0.15); transform: translateY(-3px); }
.scroll-top:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 2px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > *:first-child { grid-column: 1 / -1; }
  .footer-brand p { max-width: 100%; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .burger { display: flex; }

  section { padding: 80px 1.25rem 60px; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-avatar-wrap {
    width: 200px; height: 200px;
    margin: 0 auto;
    order: -1;
  }

  .hero-badge { margin: 0 auto 1.25rem; }
  .hero-tagline { max-width: 100%; }
  .hero-skills, .hero-cta { justify-content: center; }
  .status-panel { margin: 0 auto; }

  .about-inner { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }

  .projects-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > *:first-child { grid-column: auto; }

  .footer-bottom { flex-direction: column; text-align: center; }

  .timeline { padding-left: 2rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(1.7rem, 7vw, 2.5rem); }
  .section-title { font-size: clamp(1.3rem, 5vw, 1.8rem); }
  .hero-avatar-wrap { width: 160px; height: 160px; }
  .about-stats { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .blog-posts-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mt-lg { margin-top: 1.5rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }
.mb-lg { margin-bottom: 1.5rem; }
.text-center { text-align: center; }

/* Glow text utilities */
.glow-cyan    { color: var(--neon-cyan);    text-shadow: var(--glow-cyan);    }
.glow-magenta { color: var(--neon-magenta); text-shadow: var(--glow-magenta); }
.glow-purple  { color: var(--neon-purple);  text-shadow: var(--glow-purple);  }
.glow-green   { color: var(--neon-green);   text-shadow: var(--glow-green);   }

/* Visible focus ring for keyboard nav */
:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
}

/* Selection style */
::selection {
  background: rgba(0,245,255,0.25);
  color: var(--text);
}