/* ═══════════════════════════════════════════════════════════
   AAYUSH DHAMI PORTFOLIO — WORLD-CLASS DESIGN SYSTEM
   Tone: Retro-Futuristic × Dark Luxury × Technical Precision
   Palette: Volcanic Glass + Acid Neon accents
   Fonts: Syne (Display) + Bricolage Grotesque (Body) + Space Mono (Code)
═══════════════════════════════════════════════════════════ */

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

:root {
  /* Core Palette */
  --bg:          #080810;
  --bg-2:        #0d0d1a;
  --bg-3:        #111122;
  --surface:     #141428;
  --surface-2:   #1a1a35;
  --border:      rgba(120,120,255,0.12);
  --border-2:    rgba(120,120,255,0.22);

  /* Accent System */
  --accent:      #7c6fff;
  --accent-2:    #a78bfa;
  --accent-3:    #c4b5fd;
  --neon:        #00f5d4;
  --neon-2:      #00d4b8;
  --fire:        #ff6b2b;
  --fire-2:      #ff9a5c;

  /* Text */
  --text-1:      #f0eeff;
  --text-2:      #b8b4d8;
  --text-3:      #7a7698;
  --text-4:      #4a4668;

  /* Gradients */
  --grad-hero:   linear-gradient(135deg, #7c6fff 0%, #00f5d4 50%, #ff6b2b 100%);
  --grad-card:   linear-gradient(135deg, rgba(124,111,255,0.08) 0%, rgba(0,245,212,0.04) 100%);
  --grad-accent: linear-gradient(90deg, #7c6fff, #00f5d4);

  /* Spacing */
  --space-xs:    0.5rem;
  --space-sm:    1rem;
  --space-md:    1.5rem;
  --space-lg:    2.5rem;
  --space-xl:    4rem;
  --space-2xl:   6rem;
  --space-3xl:   8rem;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Bricolage Grotesque', sans-serif;
  --font-mono:    'Space Mono', monospace;

  /* Radius */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  32px;

  /* Transitions */
  --ease:       cubic-bezier(0.16, 1, 0.3, 1);
  --ease-back:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:     0.2s;
  --t-med:      0.4s;
  --t-slow:     0.7s;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-1);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(124,111,255,0.35); color: var(--text-1); }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ── NOISE OVERLAY ── */
.noise-overlay {
  position: fixed; inset: 0; z-index: 1000; pointer-events: none;
  opacity: 0.025;
  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)'/%3E%3C/svg%3E");
}

/* ── CUSTOM CURSOR ── */
.cursor-dot {
  position: fixed; width: 6px; height: 6px;
  background: var(--neon); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, opacity 0.3s;
  mix-blend-mode: screen;
}
.cursor-ring {
  position: fixed; width: 36px; height: 36px;
  border: 1.5px solid rgba(124,111,255,0.6);
  border-radius: 50%; pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s var(--ease), width 0.3s var(--ease), height 0.3s var(--ease), border-color 0.3s;
}
.cursor-ring.hovered { width: 56px; height: 56px; border-color: var(--neon); }
body:hover .cursor-dot { opacity: 1; }

/* ── SCROLL PROGRESS ── */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; z-index: 9997;
  background: var(--grad-accent); width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px var(--accent);
}

/* ── CONTAINER ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ── SECTION BASE ── */
.section { padding: var(--space-3xl) 0; position: relative; }

/* ── SECTION LABELS ── */
.section-label {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: var(--space-md); font-family: var(--font-mono);
}
.label-num {
  font-size: 0.7rem; color: var(--neon); letter-spacing: 0.15em;
  background: rgba(0,245,212,0.08); border: 1px solid rgba(0,245,212,0.2);
  padding: 0.2rem 0.6rem; border-radius: var(--r-sm);
}
.label-text {
  font-size: 0.75rem; color: var(--text-3); letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ── SECTION TITLES ── */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800; line-height: 1.1;
  color: var(--text-1); margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}
.section-title em { font-style: normal; color: var(--accent-2); }
.section-title.centered { text-align: center; }

/* ── REVEAL ANIMATIONS ── */
.reveal-up {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal-left {
  opacity: 0; transform: translateX(-50px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal-right {
  opacity: 0; transform: translateX(50px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.revealed { opacity: 1 !important; transform: none !important; }

/* ════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 1.25rem 0;
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s, box-shadow 0.4s;
}
.nav.scrolled {
  background: rgba(8,8,16,0.85);
  backdrop-filter: blur(20px);
  padding: 0.85rem 0;
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; gap: 2rem;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700;
  text-decoration: none; color: var(--text-1); margin-right: auto;
  letter-spacing: 0.05em;
}
.logo-bracket { color: var(--accent); }
.logo-name { color: var(--neon); }
.nav-links {
  display: flex; list-style: none; gap: 0.25rem;
}
.nav-link {
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 500;
  color: var(--text-2); text-decoration: none; padding: 0.5rem 0.85rem;
  border-radius: var(--r-sm); transition: color var(--t-fast), background var(--t-fast);
  letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--text-1); background: rgba(124,111,255,0.1); }
.nav-cta {
  font-family: var(--font-body); font-size: 0.875rem; font-weight: 600;
  color: var(--bg); background: var(--accent); text-decoration: none;
  padding: 0.55rem 1.25rem; border-radius: var(--r-md);
  transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  display: flex; align-items: center; gap: 0.4rem;
  box-shadow: 0 0 20px rgba(124,111,255,0.3);
}
.nav-cta:hover {
  background: var(--accent-2); transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(124,111,255,0.5);
}
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: none; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-1); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 490;
  background: rgba(8,8,16,0.97); backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul { list-style: none; text-align: center; }
.mobile-link {
  display: block; font-family: var(--font-display); font-size: 2.5rem;
  font-weight: 800; color: var(--text-1); text-decoration: none;
  padding: 0.5rem 0; letter-spacing: -0.02em;
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--accent-2); }

/* ════════════════════════════════════════
   HERO SECTION
════════════════════════════════════════ */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 8rem 2rem 4rem;
}
.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; opacity: 0.6;
}
.hero-grid-overlay {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(124,111,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,111,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(0,245,212,0.06); border: 1px solid rgba(0,245,212,0.2);
  padding: 0.45rem 1rem; border-radius: 100px;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--neon);
  margin-bottom: 2rem; letter-spacing: 0.05em;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 8px var(--neon); transform: scale(1); }
  50% { box-shadow: 0 0 16px var(--neon), 0 0 24px var(--neon); transform: scale(1.2); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800; line-height: 0.95;
  letter-spacing: -0.04em; margin-bottom: 1.5rem;
  display: flex; flex-direction: column;
}
.hero-line { display: block; overflow: hidden; }
.gradient-text {
  background: var(--grad-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px rgba(124,111,255,0.4));
}
.hero-role {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.5rem; min-height: 2rem;
}
.role-dash {
  font-family: var(--font-mono); color: var(--accent); font-size: 1.2rem;
}
.role-rotator {
  position: relative; height: 1.8rem; overflow: hidden;
  font-family: var(--font-mono); font-size: 1rem; color: var(--text-2);
  letter-spacing: 0.05em;
}
.role-item {
  position: absolute; top: 0; left: 0;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s var(--ease);
  white-space: nowrap;
}
.role-item.active { opacity: 1; transform: translateY(0); }
.hero-desc {
  font-size: 1.1rem; color: var(--text-2); max-width: 600px;
  line-height: 1.75; margin-bottom: 2.5rem;
}
.hero-desc em { color: var(--neon); font-style: normal; }
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3.5rem;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--accent); color: var(--bg);
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 700;
  padding: 0.85rem 2rem; border-radius: var(--r-md);
  text-decoration: none; letter-spacing: 0.01em;
  transition: all var(--t-fast) var(--ease);
  box-shadow: 0 0 30px rgba(124,111,255,0.35);
}
.btn-primary:hover {
  background: var(--accent-2); transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(124,111,255,0.55);
}
.btn-arrow { transition: transform 0.2s var(--ease-back); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: transparent; color: var(--text-1);
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 500;
  padding: 0.85rem 1.5rem; border-radius: var(--r-md);
  text-decoration: none; border: 1px solid var(--border-2);
  transition: all var(--t-fast);
}
.btn-secondary:hover {
  border-color: var(--accent); color: var(--accent-2);
  background: rgba(124,111,255,0.06);
}
.hero-stats {
  display: flex; align-items: center; gap: 0; flex-wrap: wrap;
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.5rem 2rem;
  backdrop-filter: blur(10px); width: fit-content;
}
.stat-item {
  display: flex; flex-direction: column; align-items: center;
  padding: 0 2rem; text-align: center;
}
.stat-num {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 800;
  color: var(--text-1); line-height: 1;
}
.stat-suf { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.stat-label {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-3);
  letter-spacing: 0.1em; text-transform: uppercase; margin-top: 0.3rem;
}
.stat-div { width: 1px; height: 40px; background: var(--border-2); }
.hero-scroll-hint {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-4);
  letter-spacing: 0.15em; text-transform: uppercase; z-index: 2;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ════════════════════════════════════════
   ABOUT SECTION
════════════════════════════════════════ */
.about { background: var(--bg-2); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem;
  align-items: start;
}
.about-body {
  font-size: 1.05rem; color: var(--text-2); line-height: 1.8;
  margin-bottom: 1.25rem;
}
.about-body strong { color: var(--text-1); font-weight: 600; }
.about-tags {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem;
}
.tag {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--accent-2); background: rgba(124,111,255,0.08);
  border: 1px solid rgba(124,111,255,0.2); padding: 0.35rem 0.85rem;
  border-radius: 100px; letter-spacing: 0.05em;
  transition: all var(--t-fast);
}
.tag:hover { background: rgba(124,111,255,0.15); border-color: var(--accent); }
.about-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.about-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.5rem;
  transition: all var(--t-med) var(--ease);
  position: relative; overflow: hidden;
}
.about-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad-card); opacity: 0;
  transition: opacity var(--t-med);
}
.about-card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.about-card:hover::before { opacity: 1; }
.acard-icon { font-size: 1.8rem; margin-bottom: 0.75rem; }
.about-card h3 {
  font-family: var(--font-display); font-size: 0.95rem; font-weight: 700;
  color: var(--text-1); margin-bottom: 0.5rem; position: relative;
}
.about-card p { font-size: 0.82rem; color: var(--text-3); line-height: 1.6; position: relative; }

/* ════════════════════════════════════════
   SKILLS SECTION
════════════════════════════════════════ */
.skills { background: var(--bg); }
.skills-filter {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center; margin-bottom: 3rem;
}
.filter-btn {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 400;
  color: var(--text-3); background: transparent;
  border: 1px solid var(--border); padding: 0.5rem 1.25rem;
  border-radius: 100px; cursor: none; letter-spacing: 0.08em;
  transition: all var(--t-fast);
}
.filter-btn:hover { color: var(--text-1); border-color: var(--border-2); }
.filter-btn.active {
  color: var(--bg); background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(124,111,255,0.3);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.skill-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.25rem;
  transition: all var(--t-med) var(--ease);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.skill-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad-accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-med) var(--ease);
}
.skill-card:hover { border-color: var(--border-2); transform: translateY(-3px); }
.skill-card:hover::after { transform: scaleX(1); }
.skill-card.hidden { display: none; }
.sk-icon { font-size: 1.4rem; }
.sk-name {
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  color: var(--text-1);
}
.sk-bar {
  height: 3px; background: rgba(255,255,255,0.06);
  border-radius: 2px; overflow: hidden;
}
.sk-fill {
  height: 100%; width: 0%;
  background: var(--grad-accent); border-radius: 2px;
  transition: width 1.2s var(--ease);
}
.sk-fill.animated { width: var(--w); }
.sk-lvl {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--text-4); letter-spacing: 0.08em;
}

/* ════════════════════════════════════════
   EXPERIENCE SECTION
════════════════════════════════════════ */
.experience { background: var(--bg-2); }
.timeline { position: relative; max-width: 900px; margin: 0 auto; }
.timeline-line {
  position: absolute; left: 50%; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-2) 10%, var(--border-2) 90%, transparent);
  transform: translateX(-50%);
}
.timeline-item {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; margin-bottom: 4rem; position: relative;
}
.timeline-item:nth-child(even) .tl-content { grid-column: 1; grid-row: 1; }
.timeline-item:nth-child(even) .tl-dot { grid-column: 2; }
.tl-dot {
  position: absolute; left: 50%; top: 1.5rem;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg-2);
  transform: translateX(-50%);
  box-shadow: 0 0 20px rgba(124,111,255,0.5);
  z-index: 2;
}
.tl-content {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 2rem;
  transition: all var(--t-med) var(--ease);
}
.tl-content:hover { border-color: var(--border-2); transform: translateY(-3px); }
.tl-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.tl-role {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  color: var(--text-1); margin-bottom: 0.25rem;
}
.tl-company {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-2);
  letter-spacing: 0.05em;
}
.tl-date {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-4);
  white-space: nowrap; background: rgba(124,111,255,0.08);
  border: 1px solid var(--border); padding: 0.3rem 0.75rem;
  border-radius: 100px; letter-spacing: 0.05em;
}
.tl-desc { font-size: 0.9rem; color: var(--text-2); line-height: 1.75; margin-bottom: 1rem; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tl-tags span {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--neon);
  background: rgba(0,245,212,0.06); border: 1px solid rgba(0,245,212,0.15);
  padding: 0.25rem 0.65rem; border-radius: 100px; letter-spacing: 0.05em;
}

/* ════════════════════════════════════════
   PROJECTS SECTION
════════════════════════════════════════ */
.projects { background: var(--bg); }
.projects-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.proj-card {
  perspective: 1200px; height: 420px; cursor: none;
}
.proj-card.featured { grid-column: span 1; }
.proj-card-inner {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s var(--ease);
}
.proj-card:hover .proj-card-inner { transform: rotateY(180deg); }
.proj-front, .proj-back {
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--border);
}
.proj-front {
  background: var(--surface);
  display: flex; flex-direction: column; padding: 1.75rem;
  transition: border-color var(--t-med);
}
.proj-card:hover .proj-front { border-color: var(--border-2); }
.proj-back {
  background: var(--surface-2);
  transform: rotateY(180deg);
  display: flex; flex-direction: column;
  padding: 1.75rem; border-color: var(--accent);
}
.proj-num {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-4);
  letter-spacing: 0.15em; margin-bottom: 0.5rem;
}
.proj-badge {
  display: inline-block; font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--neon); background: rgba(0,245,212,0.08);
  border: 1px solid rgba(0,245,212,0.2); padding: 0.2rem 0.6rem;
  border-radius: 100px; letter-spacing: 0.1em; margin-bottom: 0.75rem;
  width: fit-content;
}
.proj-visual {
  flex: 1; border-radius: var(--r-md); margin-bottom: 1rem;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.paydrive-vis { background: linear-gradient(135deg, rgba(124,111,255,0.15), rgba(0,245,212,0.08)); }
.sentinel-vis { background: linear-gradient(135deg, rgba(0,245,212,0.12), rgba(255,107,43,0.08)); }
.trendsphere-vis { background: linear-gradient(135deg, rgba(255,107,43,0.12), rgba(124,111,255,0.08)); }
.ba-vis { background: linear-gradient(135deg, rgba(167,139,250,0.12), rgba(0,245,212,0.08)); }
.proj-vis-lines {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 20px,
    rgba(124,111,255,0.05) 20px, rgba(124,111,255,0.05) 21px
  );
}
.proj-emoji { font-size: 3rem; position: relative; z-index: 1; }
.proj-front h3 {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  color: var(--text-1); margin-bottom: 0.3rem;
}
.proj-sub { font-size: 0.8rem; color: var(--text-3); margin-bottom: 0.75rem; line-height: 1.4; }
.proj-techs { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.proj-techs span {
  font-family: var(--font-mono); font-size: 0.62rem; color: var(--accent-2);
  background: rgba(124,111,255,0.08); border: 1px solid rgba(124,111,255,0.15);
  padding: 0.2rem 0.55rem; border-radius: 100px;
}
.proj-hint {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-4);
  margin-top: auto; padding-top: 0.75rem; letter-spacing: 0.05em;
}
.proj-back h3 {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
  color: var(--text-1); margin-bottom: 0.75rem;
}
.proj-back > p { font-size: 0.85rem; color: var(--text-2); line-height: 1.65; margin-bottom: 1rem; }
.proj-feats { list-style: none; margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.4rem; }
.proj-feats li { font-size: 0.8rem; color: var(--text-2); line-height: 1.5; }
.proj-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700;
  color: var(--bg); background: var(--accent);
  padding: 0.6rem 1.25rem; border-radius: var(--r-md);
  text-decoration: none; margin-top: auto; width: fit-content;
  transition: background var(--t-fast), transform var(--t-fast);
}
.proj-link:hover { background: var(--accent-2); transform: translateY(-1px); }

/* ════════════════════════════════════════
   CERTIFICATIONS SECTION
════════════════════════════════════════ */
.certifications { background: var(--bg-2); }
.certs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.cert-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.75rem;
  position: relative; overflow: hidden;
  transition: all var(--t-med) var(--ease);
}
.cert-card:hover {
  border-color: var(--border-2); transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.cert-glow {
  position: absolute; top: -40px; right: -40px;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,111,255,0.15) 0%, transparent 70%);
  transition: all var(--t-med);
}
.cert-card:hover .cert-glow { transform: scale(1.5); opacity: 0.8; }
.cert-issuer {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-4);
  letter-spacing: 0.08em; margin-bottom: 1rem;
}
.cert-badge-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.cert-title {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: var(--text-1); margin-bottom: 0.3rem; line-height: 1.3;
}
.cert-org {
  font-size: 0.8rem; color: var(--accent-2); margin-bottom: 0.2rem;
  font-weight: 500;
}
.cert-date {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-4);
  margin-bottom: 0.85rem; letter-spacing: 0.05em;
}
.cert-skills { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.85rem; }
.cert-skills span {
  font-family: var(--font-mono); font-size: 0.62rem; color: var(--neon);
  background: rgba(0,245,212,0.06); border: 1px solid rgba(0,245,212,0.15);
  padding: 0.2rem 0.55rem; border-radius: 100px;
}
.cert-desc { font-size: 0.8rem; color: var(--text-3); line-height: 1.6; }

/* ════════════════════════════════════════
   CONTACT SECTION
════════════════════════════════════════ */
.contact { background: var(--bg); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: start;
}
.contact-desc {
  font-size: 1rem; color: var(--text-2); line-height: 1.75;
  margin-bottom: 2rem;
}
.contact-links { display: flex; flex-direction: column; gap: 1rem; }
.contact-link {
  display: flex; align-items: center; gap: 1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1rem 1.25rem;
  text-decoration: none; transition: all var(--t-fast);
}
.contact-link:hover { border-color: var(--accent); transform: translateX(4px); }
.cl-icon {
  width: 40px; height: 40px; border-radius: var(--r-sm);
  background: rgba(124,111,255,0.1); display: flex; align-items: center;
  justify-content: center; color: var(--accent); flex-shrink: 0;
}
.cl-label {
  display: block; font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--text-4); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 0.15rem;
}
.cl-val { display: block; font-size: 0.9rem; color: var(--text-1); font-weight: 500; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.form-group input, .form-group textarea {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 0.85rem 1rem;
  color: var(--text-1); font-family: var(--font-body); font-size: 0.9rem;
  outline: none; transition: border-color var(--t-fast), box-shadow var(--t-fast);
  resize: vertical;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-4); }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,111,255,0.12);
}
.form-submit {
  display: flex; align-items: center; justify-content: center; gap: 0.75rem;
  background: var(--accent); color: var(--bg);
  font-family: var(--font-body); font-size: 1rem; font-weight: 700;
  padding: 1rem 2rem; border-radius: var(--r-md); border: none;
  cursor: none; transition: all var(--t-fast) var(--ease);
  box-shadow: 0 0 30px rgba(124,111,255,0.3);
}
.form-submit:hover {
  background: var(--accent-2); transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(124,111,255,0.5);
}
.submit-arrow { transition: transform 0.2s var(--ease-back); }
.form-submit:hover .submit-arrow { transform: translateX(4px); }

/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
.footer {
  background: var(--bg-2); border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-logo {
  font-family: var(--font-mono); font-size: 1rem; font-weight: 700;
}
.footer-copy {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-4);
  letter-spacing: 0.05em;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-3);
  text-decoration: none; letter-spacing: 0.05em;
  transition: color var(--t-fast);
}
.footer-links a:hover { color: var(--accent-2); }

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .timeline-line { display: none; }
  .timeline-item { grid-template-columns: 1fr; gap: 0; }
  .timeline-item:nth-child(even) .tl-content { grid-column: 1; grid-row: auto; }
  .tl-dot { display: none; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero-title { font-size: clamp(3rem, 14vw, 5rem); }
  .hero-stats { padding: 1rem; gap: 0; }
  .stat-item { padding: 0 1rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .proj-card { height: 380px; }
  .about-cards { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .section { padding: 5rem 0; }
  .hero { padding: 7rem 1.5rem 3rem; }
  .container { padding: 0 1.25rem; }
  .hero-stats { flex-wrap: wrap; }
  .stat-div { display: none; }
  .stat-item { padding: 0.75rem 1rem; }
}
@media (max-width: 480px) {
  .hero-title { font-size: clamp(2.5rem, 16vw, 4rem); }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; }
  .section-title { font-size: clamp(1.8rem, 8vw, 2.5rem); }
}

/* ── TOUCH DEVICES: disable custom cursor ── */
@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none; }
  body { cursor: auto; }
  .filter-btn, .nav-hamburger, .form-submit { cursor: pointer; }
}