/* ═══════════════════════════════════════════════════════
   ALLEN JOY — PORTFOLIO WEBSITE
   style.css
═══════════════════════════════════════════════════════ */

/* ─── DESIGN TOKENS ─── */
:root {
  /* Colors */
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #0f0f1a;
  --bg-card:       #13131f;
  --bg-card-hover: #1a1a2e;
  --border:        rgba(124,58,237,0.15);
  --border-hover:  rgba(124,58,237,0.4);

  --purple-deep:   #7c3aed;
  --purple-mid:    #8b5cf6;
  --purple-light:  #a78bfa;
  --cyan:          #06b6d4;
  --cyan-light:    #22d3ee;
  --pink:          #ec4899;

  --text-primary:  #f0eeff;
  --text-secondary:#a09cc0;
  --text-muted:    #5e587a;

  /* Gradients */
  --gradient-main: linear-gradient(135deg, var(--purple-mid), var(--cyan));
  --gradient-card: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(6,182,212,0.05));
  --gradient-glow: radial-gradient(ellipse at top, rgba(124,58,237,0.15) 0%, transparent 70%);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'JetBrains Mono', monospace;
  --font-serif:   'Instrument Serif', serif;

  /* Spacing */
  --section-gap:  100px;
  --card-radius:  16px;
  --nav-height:   70px;

  /* Transitions */
  --ease:    cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:cubic-bezier(0, 0, 0.2, 1);
  --spring:  cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-card:   0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow:   0 0 40px rgba(124,58,237,0.2);
  --shadow-strong: 0 20px 60px rgba(0,0,0,0.6);
}

/* Light theme */
[data-theme="light"] {
  --bg-primary:    #fafafa;
  --bg-secondary:  #f3f0ff;
  --bg-card:       #ffffff;
  --bg-card-hover: #f3f0ff;
  --border:        rgba(124,58,237,0.15);
  --border-hover:  rgba(124,58,237,0.4);
  --text-primary:  #0f0a1e;
  --text-secondary:#4b3f72;
  --text-muted:    #9488b4;
  --shadow-card:   0 4px 24px rgba(0,0,0,0.08);
  --gradient-glow: radial-gradient(ellipse at top, rgba(124,58,237,0.08) 0%, transparent 70%);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: none; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }
ul { list-style: none; }

/* ─── CUSTOM CURSOR ─── */
.cursor-dot, .cursor-ring {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--purple-mid);
  top: 0; left: 0;
}
.cursor-ring {
  width: 30px; height: 30px;
  border: 1.5px solid rgba(124,58,237,0.5);
  top: 0; left: 0;
  transition: transform 0.12s var(--ease), width 0.2s var(--ease), height 0.2s var(--ease), opacity 0.3s;
}
.cursor-ring.hovered {
  width: 50px; height: 50px;
  border-color: var(--cyan);
  background: rgba(6,182,212,0.06);
}

/* ─── PAGE LOADER ─── */
.page-loader {
  position: fixed; inset: 0;
  background: var(--bg-primary);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}
.page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-text {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}
.loader-bar {
  width: 200px; height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.loader-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-main);
  animation: loaderFill 1.5s var(--ease) forwards;
}
@keyframes loaderFill {
  to { width: 100%; }
}

/* ─── LAYOUT ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.page { display: none; min-height: 100vh; }
.page.active { display: block; }

/* ─── NAVIGATION ─── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), backdrop-filter 0.3s;
}
.navbar.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
[data-theme="light"] .navbar.scrolled {
  background: rgba(250,250,250,0.85);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
}
.logo-bracket {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(124,58,237,0.12);
}
.nav-link.active { color: var(--purple-light); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.theme-toggle:hover { color: var(--purple-light); border-color: var(--border-hover); }
.btn-nav-cta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 9px 20px;
  border-radius: 10px;
  background: var(--gradient-main);
  color: #fff;
  transition: opacity 0.2s, transform 0.2s var(--spring);
  white-space: nowrap;
}
.btn-nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
  display: block;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-primary.sm { padding: 10px 20px; font-size: 0.8rem; border-radius: 10px; }
.btn-primary.lg { padding: 18px 36px; font-size: 1rem; border-radius: 14px; }
.btn-primary.full-width { width: 100%; justify-content: center; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease);
}
.btn-ghost:hover {
  border-color: var(--purple-mid);
  color: var(--purple-light);
  background: rgba(124,58,237,0.08);
  transform: translateY(-2px);
}
.btn-ghost.sm { padding: 10px 20px; font-size: 0.8rem; border-radius: 10px; }
.btn-ghost.mt-2 { margin-top: 24px; }

/* ─── TYPOGRAPHY UTILS ─── */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 5px 12px;
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-header {
  display: flex;
  flex-direction: column;
  margin-bottom: 48px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
}
.see-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--purple-light);
  margin-top: 12px;
  transition: gap 0.2s;
}
.see-all:hover { gap: 12px; }
.section-block {
  padding: var(--section-gap) 0;
}
.section-block.bg-alt { background: var(--bg-secondary); }

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr auto;
  gap: 0;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
#heroCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.4;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-content {
  grid-column: 1;
  z-index: 2;
  padding: 80px 80px 80px max(24px, calc((100vw - 1200px)/2 + 24px));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  width: fit-content;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}
.hero-title {
  font-family: var(--font-body);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.hero-roles {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  height: 2em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.role-prefix { color: var(--purple-mid); }
.typewriter { color: var(--cyan-light); font-weight: 500; }
.cursor-blink {
  color: var(--purple-mid);
  animation: blink 0.7s infinite;
  font-weight: 300;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-bio {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.8;
}
.hero-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 8px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-body);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat small {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}
.hero-visual {
  grid-column: 2;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 40px 80px 0;
}

@media (max-width: 900px) {
  .hero {
    display: flex;
    flex-direction: column;
  }

  .hero-visual {
    display: flex !important;
    order: -1;
    justify-content: center;
    padding: 100px 24px 0px;
    grid-column: 1;
  }

  .hero-photo-wrap {
    width: 160px;
    height: 180px;
    border-radius: 50%;
  }

  .hero-photo {
    border-radius: 50%;
  }

  .hero-content {
    padding: 20px 24px 40px;
    order: 0;
  }
}

@media (max-width: 480px) {
  .hero-visual {
    display: flex !important;
    padding: 100px 24px 0px;
  }

  .hero-photo-wrap {
    width: 140px;
    height: 160px;
    border-radius: 50%;
  }

  .hero-photo {
    border-radius: 50%;
  }
}


/* Terminal Card */
.terminal-card {
  background: rgba(13,13,20,0.9);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-strong), inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
}
.terminal-header {
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.t-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #ffbd2e; }
.t-dot.green { background: #28c840; }
.t-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 8px;
}
.terminal-body {
  padding: 20px;
  font-size: 0.82rem;
  line-height: 2;
}
.t-line { display: flex; gap: 10px; align-items: flex-start; }
.t-prompt { color: var(--purple-mid); flex-shrink: 0; }
.t-out { color: var(--text-secondary); padding-left: 20px; }
.t-json { padding-left: 28px; }
.t-key { color: var(--cyan-light); }
.t-val { color: #f59e0b; }
.t-blink { animation: blink 0.7s infinite; color: var(--purple-mid); }

.scroll-indicator {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-bottom: 32px;
  z-index: 2;
  animation: fadeInUp 1s 1.5s both;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--purple-mid));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.scroll-indicator span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ─── SKILLS STRIP ─── */
.skills-strip {
  overflow: hidden;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.strip-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: stripScroll 30s linear infinite;
}
.strip-track span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 32px;
  white-space: nowrap;
  border-right: 1px solid var(--border);
  transition: color 0.2s;
}
.strip-track span:hover { color: var(--purple-light); }
@keyframes stripScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ─── EXPERTISE CARDS ─── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.expertise-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 32px 24px;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}
.expertise-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.expertise-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.expertise-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.expertise-card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(124,58,237,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--purple-light);
  margin-bottom: 20px;
  transition: background 0.2s;
}
.expertise-card:hover .card-icon { background: rgba(124,58,237,0.2); }
.expertise-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.expertise-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.card-tags span {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(124,58,237,0.1);
  color: var(--purple-light);
  border: 1px solid rgba(124,58,237,0.2);
}

/* ─── PROJECTS ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.projects-grid.featured .project-card.large { grid-column: span 2; }
.portfolio-grid { grid-template-columns: repeat(2, 1fr); }
.portfolio-grid .project-card.full-card { grid-column: span 2; }

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: all 0.3s var(--ease);
  opacity: 0;
  transform: translateY(20px);
}
.project-card.visible { opacity: 1; transform: translateY(0); }
.project-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.project-thumb {
  height: 160px;
  position: relative;
  overflow: hidden;
}
.large-thumb { height: 240px; }
.project-bg {
  position: absolute; inset: 0;
  background: conic-gradient(from 180deg at 50% 50%,
    hsl(var(--hue), 70%, 20%) 0deg,
    hsl(calc(var(--hue) + 60), 80%, 12%) 120deg,
    hsl(calc(var(--hue) + 120), 60%, 18%) 240deg,
    hsl(var(--hue), 70%, 20%) 360deg);
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-bg { transform: scale(1.05); }
.animated-bg {
  animation: bgShift 8s ease-in-out infinite;
}
@keyframes bgShift {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.2) saturate(1.3); }
}
.project-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background 0.2s;
}
.project-link:hover { background: rgba(124,58,237,0.5); }
.project-info { padding: 24px; }
.project-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.project-cat {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
}
.cloud-cat { background: rgba(6,182,212,0.1); color: var(--cyan-light); border: 1px solid rgba(6,182,212,0.2); }
.devops-cat { background: rgba(236,72,153,0.1); color: #f472b6; border: 1px solid rgba(236,72,153,0.2); }
.data-cat { background: rgba(124,58,237,0.1); color: var(--purple-light); border: 1px solid rgba(124,58,237,0.2); }
.project-year { font-size: 0.72rem; color: var(--text-muted); }
.project-info h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}
.project-info p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 16px; }
.project-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.project-stack span {
  font-size: 0.68rem;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--bg-secondary);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.case-study { margin: 16px 0; display: flex; flex-direction: column; gap: 10px; }
.cs-block {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 10px 14px;
  background: rgba(124,58,237,0.04);
  border-left: 2px solid var(--purple-mid);
  border-radius: 0 8px 8px 0;
}
.cs-block strong { color: var(--text-primary); }

/* ─── FILTER BAR ─── */
.portfolio-filter-bar {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
}
.portfolio-filter-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--purple-mid);
  border-color: var(--purple-mid);
  color: #fff;
}
.github-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
}
.github-badge a { color: var(--text-secondary); transition: color 0.2s; }
.github-badge a:hover { color: var(--purple-light); }

/* GitHub Contribution Grid */
.github-embed-section {
  margin-top: 60px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
}
.github-embed-section h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.github-contrib-grid {
  display: grid;
  grid-template-columns: repeat(52, 1fr);
  gap: 3px;
}
.contrib-cell {
  aspect-ratio: 1;
  border-radius: 2px;
  background: var(--bg-secondary);
  transition: transform 0.2s;
}
.contrib-cell:hover { transform: scale(1.5); z-index: 2; }
.contrib-1 { background: rgba(124,58,237,0.2); }
.contrib-2 { background: rgba(124,58,237,0.4); }
.contrib-3 { background: rgba(124,58,237,0.6); }
.contrib-4 { background: rgba(124,58,237,0.9); }

/* ─── BLOG ─── */
.blog-controls {
  padding: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.blog-search {
  position: relative;
  max-width: 480px;
}
.blog-search i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}
.blog-search input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: border-color 0.2s;
}
.blog-search input:focus { outline: none; border-color: var(--purple-mid); }
.blog-cats { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-btn {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 7px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.2s;
}
.cat-btn:hover, .cat-btn.active { background: var(--purple-mid); border-color: var(--purple-mid); color: #fff; }

.blog-featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  margin-bottom: 40px;
  min-height: 400px;
}
.blog-featured-img {
  position: relative;
}
.blog-featured-img .blog-bg { position: absolute; inset: 0; height: 100% !important; }
.blog-featured-img .blog-cat { position: absolute; top: 20px; left: 20px; z-index: 1; }
.blog-featured-body { padding: 40px; display: flex; flex-direction: column; justify-content: center; gap: 16px; }
.blog-featured-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
}
.blog-featured-body p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.8; }
.toc-preview {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.toc-preview strong { color: var(--text-primary); display: block; margin-bottom: 10px; }
.toc-preview ol { padding-left: 20px; display: flex; flex-direction: column; gap: 4px; }
.blog-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.share-btns { display: flex; align-items: center; gap: 10px; }
.share-btns span { font-size: 0.75rem; color: var(--text-muted); }
.share-btn {
  width: 34px; height: 34px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.2s;
}
.share-btn:hover { border-color: var(--purple-mid); color: var(--purple-light); background: rgba(124,58,237,0.08); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.blog-grid.home-blog .blog-card.featured-post { grid-column: span 2; }
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: all 0.3s var(--ease);
  opacity: 0;
  transform: translateY(20px);
}
.blog-card.visible { opacity: 1; transform: translateY(0); }
.blog-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.blog-img {
  height: 160px;
  position: relative;
  overflow: hidden;
}
.blog-card.featured-post .blog-img { height: 220px; }
.blog-bg {
  position: absolute; inset: 0;
  background: conic-gradient(from 180deg at 50% 50%,
    hsl(var(--hue), 70%, 18%) 0deg,
    hsl(calc(var(--hue) + 80), 80%, 10%) 150deg,
    hsl(calc(var(--hue) - 40), 60%, 15%) 280deg,
    hsl(var(--hue), 70%, 18%) 360deg);
  transition: transform 0.5s var(--ease);
}
.blog-card:hover .blog-bg { transform: scale(1.05); }
.blog-cat {
  position: absolute; bottom: 14px; left: 14px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(124,58,237,0.8);
  color: #fff;
  backdrop-filter: blur(4px);
  z-index: 1;
}
.blog-body { padding: 24px; }
.blog-meta {
  display: flex;
  gap: 16px;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.blog-body h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}
.blog-body p { font-size: 0.83rem; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.7; }
.blog-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.blog-tags span { font-size: 0.65rem; color: var(--cyan-light); }
.read-more {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--purple-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.read-more:hover { gap: 10px; }
.load-more-wrap { text-align: center; margin: 32px 0; }

/* Comments */
.comments-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.comments-section h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.comment-form-wrap, .comment {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.comment-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(124,58,237,0.15);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--purple-light);
  flex-shrink: 0;
}
.comment-form { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.comment-form input, .comment-form textarea, .contact-form input, .contact-form textarea, .contact-form select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.comment-form input:focus, .comment-form textarea:focus,
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none;
  border-color: var(--purple-mid);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}
.comment-body { flex: 1; }
.comment-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.comment-meta strong { font-size: 0.875rem; }
.comment-meta span { font-size: 0.75rem; color: var(--text-muted); }
.comment-body p { font-size: 0.85rem; color: var(--text-secondary); }
.comment-reply { font-size: 0.75rem; color: var(--purple-light); margin-top: 8px; background: none; border: none; padding: 0; }

/* ─── PAGE HERO ─── */
.page-hero {
  padding: calc(var(--nav-height) + 60px) 0 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-body);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.page-hero p { font-size: 1rem; color: var(--text-secondary); max-width: 560px; margin: 0 auto; }

/* ─── AUTHOR PAGE ─── */
.author-hero {
  position: relative;
  padding: calc(var(--nav-height) + 60px) 0 60px;
  overflow: hidden;
}
.author-hero-bg {
  position: absolute; inset: 0;
  background: var(--gradient-glow);
}
.author-intro {
  display: flex;
  align-items: center;
  gap: 48px;
}
.author-avatar-wrap { position: relative; flex-shrink: 0; }
.author-avatar {
  width: 140px; height: 140px;
  border-radius: 50%;
  border: 3px solid var(--purple-mid);
  overflow: hidden;
  background: var(--bg-card);
}
.avatar-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.author-badge {
  position: absolute; bottom: -4px; right: -4px;
  padding: 5px 12px;
  background: var(--gradient-main);
  color: #fff;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
}
.author-intro-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 8px;
}
.author-tagline {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.author-social { display: flex; gap: 10px; flex-wrap: wrap; }
.social-link {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all 0.2s;
}
.social-link:hover { border-color: var(--purple-mid); color: var(--purple-light); transform: translateY(-2px); }

.author-bio-block {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  padding: var(--section-gap) 0;
  align-items: start;
}
.author-bio-text h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 20px; }
.author-bio-text p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.9; }
.author-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}
.fact-num {
  display: block;
  font-family: var(--font-body);
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.fact-card span:last-child { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.05em; }

/* Books */
.books-row { display: flex; gap: 24px; flex-wrap: wrap; }
.book-card {
  flex: 1; min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  opacity: 0;
  transform: translateY(20px);
}
.book-card.visible { opacity: 1; transform: translateY(0); }
.book-cover {
  height: 180px;
  border-radius: 12px;
  background: var(--book-color, #7c3aed);
  position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  transition: transform 0.3s var(--spring);
  box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
}
.book-card:hover .book-cover { transform: rotate(-3deg) scale(1.05); }
.book-spine {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 20px;
  background: rgba(0,0,0,0.25);
  border-right: 1px solid rgba(255,255,255,0.1);
}
.book-front { font-size: 3rem; }
.book-info h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.book-info p { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 10px; }
.book-meta { display: flex; align-items: center; gap: 8px; font-size: 0.72rem; color: var(--text-muted); }
.book-genre {
  padding: 3px 10px;
  background: rgba(124,58,237,0.1);
  color: var(--purple-light);
  border-radius: 100px;
  border: 1px solid rgba(124,58,237,0.2);
}

.books-detailed { display: flex; flex-direction: column; gap: 32px; margin-bottom: 60px; }
.book-detail-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 32px;
  transition: border-color 0.2s;
}
.book-detail-card:hover { border-color: var(--border-hover); }
.book-cover-lg {
  height: 220px;
  border-radius: 12px;
  background: var(--book-color, #7c3aed);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  box-shadow: 6px 6px 0 rgba(0,0,0,0.3);
  flex-shrink: 0;
}
.book-detail-info h3 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.book-subtitle { font-size: 0.85rem; color: var(--purple-light); margin-bottom: 16px; }
.book-detail-info p { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.8; }
.book-detail-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.book-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* YouTube */
.youtube-section { margin-bottom: 60px; }
.yt-header {
  display: block;
  width: 100%;
  margin-bottom: 24px;
}

.yt-header > div {
  margin-bottom: 16px;
}
.yt-header h2 { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; }
.yt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.yt-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: all 0.2s; }
.yt-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.yt-thumb {
  height: 120px;
  background: conic-gradient(from 0deg at 50% 50%,
    hsl(var(--hue), 70%, 18%) 0deg,
    hsl(calc(var(--hue) + 90), 80%, 12%) 180deg,
    hsl(var(--hue), 70%, 18%) 360deg);
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.yt-play {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,0,0,0.8);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  padding-left: 3px;
  transition: transform 0.2s var(--spring);
}
.yt-card:hover .yt-play { transform: scale(1.15); }
.yt-card p { padding: 12px; font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }

/* Media */
.media-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.media-card {
  display: flex; gap: 16px; align-items: center;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s;
}
.media-card:hover { border-color: var(--border-hover); }
.media-logo {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(124,58,237,0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--purple-light);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.media-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.media-card p { font-size: 0.78rem; color: var(--text-secondary); }

/* ─── ABOUT PAGE ─── */
.about-intro {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  padding: 60px 0;
  align-items: start;
}
.about-img { display: flex; flex-direction: column; gap: 16px; }
.about-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 20px;
  background: var(--gradient-main);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
}
.about-quote {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-secondary);
  padding: 16px;
  border-left: 3px solid var(--purple-mid);
  border-radius: 0 8px 8px 0;
  background: rgba(124,58,237,0.04);
}
.about-text h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 20px; }
.about-text p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.9; }

/* Timeline */
.timeline-section { padding-bottom: 60px; }
.timeline-section h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 40px; }
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--purple-mid), transparent);
}
.timeline-item {
  position: relative;
  padding-bottom: 36px;
  opacity: 0;
  transform: translateX(-20px);
}
.timeline-item.visible { opacity: 1; transform: translateX(0); transition: all 0.5s var(--ease); }
.timeline-dot {
  position: absolute;
  left: -36px;
  top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--purple-mid);
  box-shadow: 0 0 10px rgba(124,58,237,0.4);
}
.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s;
}
.timeline-card:hover { border-color: var(--border-hover); }
.timeline-year { font-size: 0.72rem; color: var(--cyan-light); font-weight: 600; letter-spacing: 0.08em; }
.timeline-card h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin: 8px 0 4px; }
.timeline-company { font-size: 0.8rem; color: var(--purple-light); margin-bottom: 8px; }
.timeline-card p { font-size: 0.85rem; color: var(--text-secondary); }

/* Certs */
.certs-section { padding-bottom: 60px; }
.certs-section h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 32px; }
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cert-card {
  display: flex; gap: 16px; align-items: center;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s;
}
.cert-card:hover { border-color: var(--border-hover); }
.cert-badge {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  flex-shrink: 0;
}
.cert-badge.aws { background: rgba(255,153,0,0.15); color: #ff9900; }
.cert-badge.k8s { background: rgba(50,108,229,0.15); color: #326ce5; }
.cert-badge.tf { background: rgba(96,59,182,0.15); color: #7b42f6; }
.cert-badge.dbt { background: rgba(255,108,36,0.15); color: #ff6c24; font-size: 0.75rem; letter-spacing: -0.02em; }
.cert-badge.gcp { background: rgba(66,133,244,0.15); color: #4285f4; }
.cert-card h4 { font-size: 0.875rem; font-weight: 700; margin-bottom: 2px; }
.cert-card p { font-size: 0.75rem; color: var(--text-muted); }

/* Skills Bars */
.skills-detailed { padding-bottom: 60px; }
.skills-detailed h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 32px; }
.skills-bars-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 48px; }
.skill-bar-item { display: flex; align-items: center; gap: 16px; }
.skill-bar-item > span:first-child { font-size: 0.82rem; color: var(--text-secondary); min-width: 110px; }
.bar-track {
  flex: 1; height: 6px;
  background: var(--bg-card);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.bar-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-main);
  border-radius: 3px;
  transition: width 1.2s var(--ease-out);
}
.pct { font-size: 0.72rem; color: var(--text-muted); min-width: 36px; text-align: right; }

/* Goals */
.goals-section { padding-bottom: var(--section-gap); }
.goals-section h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 32px; }
.goals-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.goal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: border-color 0.2s;
}
.goal-card:hover { border-color: var(--border-hover); }
.goal-card i { font-size: 1.5rem; color: var(--purple-light); margin-bottom: 12px; display: block; }
.goal-card h4 { font-family: var(--font-display); font-weight: 700; margin-bottom: 8px; }
.goal-card p { font-size: 0.82rem; color: var(--text-secondary); }

/* ─── CONTACT ─── */
.contact-layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 60px;
  padding: 60px 0;
  align-items: start;
}
.contact-info h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; }
.contact-info > p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 32px; line-height: 1.8; }
.contact-links { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.contact-link {
  display: flex; align-items: center; gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.2s;
}
.contact-link:hover { border-color: var(--border-hover); transform: translateX(4px); }
.contact-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(124,58,237,0.12);
  color: var(--purple-light);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-icon.linkedin { background: rgba(0,119,181,0.12); color: #0077b5; }
.contact-icon.github { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.contact-icon.insta { background: rgba(225,48,108,0.12); color: #e1306c; }
.contact-link span { font-size: 0.72rem; color: var(--text-muted); display: block; margin-bottom: 2px; }
.contact-link strong { font-size: 0.875rem; }
.availability-card {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 20px;
  background: rgba(16,185,129,0.05);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 12px;
}
.availability-card strong { font-size: 0.875rem; display: block; color: #10b981; margin-bottom: 4px; }
.availability-card p { font-size: 0.8rem; color: var(--text-secondary); }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
.contact-form select { appearance: none; cursor: pointer; }
.form-check { flex-direction: row; align-items: center; gap: 12px; }
.form-check input[type="checkbox"] { width: auto; accent-color: var(--purple-mid); }
.form-check label { margin-bottom: 0; }
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 10px;
  color: #10b981;
  font-size: 0.875rem;
}
.form-success.show { display: flex; }

/* ─── NEWSLETTER ─── */
.newsletter-block {
  background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(6,182,212,0.05));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.newsletter-inner { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center; }
.newsletter-text h2 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; }
.newsletter-text p { font-size: 0.9rem; color: var(--text-secondary); }
.newsletter-form {
  display: flex;
  gap: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  min-width: 380px;
}
.newsletter-form input {
  flex: 1;
  padding: 14px 18px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.875rem;
}
.newsletter-form input:focus { outline: none; }
.newsletter-form .btn-primary { border-radius: 0; }
.newsletter-note { font-size: 0.72rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; margin-top: 4px; }
.contact-teaser { text-align: center; padding: 40px; }
.contact-teaser h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 16px; }
.contact-teaser p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 32px; }

/* ─── FOOTER ─── */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 0.85rem; color: var(--text-secondary); margin: 16px 0; line-height: 1.8; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all 0.2s;
}
.footer-social a:hover { border-color: var(--purple-mid); color: var(--purple-light); }
.footer-links h4, .footer-newsletter h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.82rem; color: var(--text-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--purple-light); }
.footer-newsletter p { font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 16px; }
.footer-form {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
}
.footer-form input {
  flex: 1;
  padding: 10px 14px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.82rem;
}
.footer-form input:focus { outline: none; }
.footer-form button {
  padding: 10px 14px;
  background: var(--purple-mid);
  color: #fff;
  border: none;
  transition: background 0.2s;
}
.footer-form button:hover { background: var(--purple-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--purple-light); }

/* ─── BACK TO TOP ─── */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--purple-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  z-index: 500;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s var(--ease);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--purple-mid); border-color: var(--purple-mid); color: #fff; }

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 0.875rem;
  color: var(--text-primary);
  z-index: 9000;
  opacity: 0;
  transition: all 0.3s var(--ease);
  pointer-events: none;
  box-shadow: var(--shadow-strong);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─── ANIMATIONS ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s var(--ease) both; }
.hidden-el { opacity: 0; transform: translateY(30px); transition: all 0.6s var(--ease); }
.hidden-el.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid.featured .project-card.large { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .newsletter-inner { grid-template-columns: 1fr; }
  .newsletter-form { min-width: unset; }
  .goals-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-content { padding: 80px 24px 60px; }
  .author-bio-block { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .about-img { flex-direction: row; align-items: center; }
  .about-avatar { width: 120px; height: 120px; font-size: 2.5rem; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-img { height: 200px; }
  .author-intro { flex-direction: column; }
  .yt-grid { grid-template-columns: repeat(2, 1fr); }
  .media-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid.home-blog .blog-card.featured-post { grid-column: span 2; }
}
@media (max-width: 768px) {
  :root { --nav-height: 60px; --section-gap: 60px; }
  .nav-links {
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 4px;
    transform: translateY(-110%);
    opacity: 0;
    transition: all 0.35s var(--ease);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-link { padding: 12px 16px; width: 100%; }
  .btn-nav-cta { display: none; }
  .hamburger { display: flex; }
  .expertise-grid, .certs-grid, .goals-grid { grid-template-columns: 1fr; }
  .projects-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .projects-grid .project-card.large,
  .portfolio-grid .project-card.full-card { grid-column: span 1; }
  .hero-stats { gap: 16px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-grid.home-blog .blog-card.featured-post { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .skills-bars-grid { grid-template-columns: 1fr; }
  .github-contrib-grid { grid-template-columns: repeat(26, 1fr); }
  .book-detail-card { grid-template-columns: 1fr; }
  .book-cover-lg { height: 160px; }
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
  .newsletter-inner > * { grid-column: span 1; }
}
@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .books-row { flex-direction: column; }
  .yt-grid { grid-template-columns: 1fr; }
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--purple-mid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--purple-light); }

/* ─── SELECTION ─── */
::selection { background: rgba(124,58,237,0.3); color: var(--text-primary); }

.hero-photo-wrap {
  width: 380px;
  height: 420px;
  border-radius: 24px;
  border: 2px solid var(--border-hover);
  overflow: hidden;
  box-shadow: var(--shadow-glow), var(--shadow-strong);
  position: relative;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.5s ease;
}

.hero-photo:hover {
  transform: scale(1.04);
}

.author-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: 50%;
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all 0.2s;
  cursor: pointer;
}

.footer-social-btn:hover {
  border-color: var(--purple-mid);
  color: var(--purple-light);
}