/* ============================================================
   SAINUL ABID NV — SKiDEVELOPER Portfolio
   Anti-Gravity 3D Design System
   ============================================================ */

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

:root {
  --c-bg:        #03040d;
  --c-bg2:       #060914;
  --c-surface:   rgba(255,255,255,0.03);
  --c-border:    rgba(0,245,255,0.12);
  --c-cyan:      #00f5ff;
  --c-violet:    #7c3aed;
  --c-pink:      #ec4899;
  --c-gold:      #f59e0b;
  --c-text:      #e2e8f0;
  --c-muted:     #64748b;
  --c-accent:    #00f5ff;
  --font-display: 'Orbitron', sans-serif;
  --font-body:   'Inter', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
  --radius:      12px;
  --radius-lg:   20px;
  --glow-cyan:   0 0 30px rgba(0,245,255,0.25), 0 0 60px rgba(0,245,255,0.1);
  --glow-violet: 0 0 30px rgba(124,58,237,0.3), 0 0 60px rgba(124,58,237,0.1);
  --transition:  0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  overflow-x: hidden;
  cursor: none;
}

/* ---- Skip Link (a11y + SEO) ---- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 99999;
  padding: 10px 20px;
  background: var(--c-cyan);
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 0 0 8px 8px;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-violet); border-radius: 10px; }

/* ============================================================
   CANVAS BG
   ============================================================ */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 2px solid var(--c-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, border-color 0.2s, opacity 0.2s;
  mix-blend-mode: difference;
}
.cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  background: var(--c-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
}
body:hover .cursor-ring { opacity: 1; }
a:hover ~ .cursor-ring,
button:hover ~ .cursor-ring { width: 52px; height: 52px; border-color: var(--c-violet); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(3,4,13,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  transition: var(--transition);
}
.nav.scrolled {
  padding: 12px 48px;
  background: rgba(3,4,13,0.95);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--c-text);
}
.logo-bracket { color: var(--c-cyan); }
.logo-accent { color: var(--c-violet); }

.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-muted);
  text-decoration: none;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--c-cyan);
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--c-cyan); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-cyan);
  transition: var(--transition);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 48px;
  width: 100%;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-cyan);
  letter-spacing: 3px;
  display: block;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: 2px;
}
.accent-gradient {
  background: linear-gradient(135deg, var(--c-cyan), var(--c-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* Anti-gravity floating field */
.anti-gravity-field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.gravity-element {
  position: absolute;
  animation: floatRandom var(--dur, 8s) ease-in-out infinite var(--delay, 0s);
  will-change: transform;
  font-size: var(--size, 2rem);
  opacity: 0.7;
  filter: drop-shadow(0 0 8px currentColor);
  user-select: none;
}
@keyframes floatRandom {
  0%   { transform: translate(0, 0) rotate(0deg) scale(1); }
  25%  { transform: translate(var(--dx1, 20px), var(--dy1, -30px)) rotate(var(--r1, 15deg)) scale(1.05); }
  50%  { transform: translate(var(--dx2, -15px), var(--dy2, 20px)) rotate(var(--r2, -10deg)) scale(0.95); }
  75%  { transform: translate(var(--dx3, 30px), var(--dy3, -15px)) rotate(var(--r3, 20deg)) scale(1.02); }
  100% { transform: translate(0, 0) rotate(0deg) scale(1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 900px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--c-gold);
  margin-bottom: 28px;
  animation: badgePulse 3s ease-in-out infinite;
  letter-spacing: 1px;
}
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.3); }
  50% { box-shadow: 0 0 0 8px rgba(245,158,11,0); }
}
.badge-icon { font-size: 1rem; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 900;
  letter-spacing: 4px;
  line-height: 1.05;
  margin-bottom: 24px;
}
.title-line { display: block; }

.hero-subtitle-wrapper {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--c-cyan);
  margin-bottom: 20px;
  min-height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.cursor-blink {
  animation: blink 1s steps(1) infinite;
  color: var(--c-cyan);
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-description {
  color: var(--c-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-decoration: none;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--c-cyan), var(--c-violet));
  color: #fff;
  font-weight: 700;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-violet), var(--c-cyan));
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--glow-cyan); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-text);
}
.btn-ghost:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--c-cyan);
}
.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 4px;
}
.stat-divider {
  width: 1px; height: 50px;
  background: var(--c-border);
}

.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid var(--c-muted);
  border-radius: 11px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 4px; height: 8px;
  background: var(--c-cyan);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}
@keyframes scrollWheel { 0%,100%{opacity:1;transform:translateY(0)} 50%{opacity:0;transform:translateY(10px)} }
@keyframes scrollBounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }
.scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--c-muted);
  letter-spacing: 2px;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section { background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg2) 100%); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

/* Avatar */
.avatar-container {
  position: relative;
  width: 300px; height: 300px;
  margin: 0 auto;
}
.avatar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: ringPulse 4s ease-in-out infinite;
}
.ring-1 { width: 180px; height: 180px; border-color: rgba(0,245,255,0.3); animation-delay: 0s; }
.ring-2 { width: 240px; height: 240px; border-color: rgba(124,58,237,0.2); animation-delay: 0.8s; }
.ring-3 { width: 300px; height: 300px; border-color: rgba(0,245,255,0.08); animation-delay: 1.6s; }
@keyframes ringPulse {
  0%,100% { opacity: 0.4; transform: translate(-50%,-50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%,-50%) scale(1.03); }
}

.avatar-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 140px; height: 140px;
  background: linear-gradient(135deg, rgba(0,245,255,0.05), rgba(124,58,237,0.1));
  border: 2px solid var(--c-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-cyan);
  overflow: hidden;
}
.avatar-shield { position: absolute; width: 70px; opacity: 0.3; }
.avatar-initials {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

.orbit-badge {
  position: absolute;
  top: 50%; left: 50%;
  width: 40px; height: 40px;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  backdrop-filter: blur(8px);
  animation: orbit 12s linear infinite;
  transform-origin: center;
}
@keyframes orbit {
  from { transform: rotate(var(--angle)) translateX(var(--r)) rotate(calc(-1 * var(--angle))); }
  to   { transform: rotate(calc(var(--angle) + 360deg)) translateX(var(--r)) rotate(calc(-1 * (var(--angle) + 360deg))); }
}

/* About text */
.about-content {}
.about-intro {
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 20px;
  color: var(--c-text);
}
.about-text p {
  color: var(--c-muted);
  line-height: 1.85;
  margin-bottom: 16px;
  font-size: 0.95rem;
}
strong { color: var(--c-text); }
.accent { color: var(--c-cyan); font-weight: 600; }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}
.highlight-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.highlight-card:hover {
  border-color: var(--c-cyan);
  transform: translateX(6px);
  background: rgba(0,245,255,0.04);
}
.highlight-icon { font-size: 1.4rem; flex-shrink: 0; }
.highlight-card h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.highlight-card p { font-size: 0.78rem; color: var(--c-muted); font-family: var(--font-mono); }

/* ============================================================
   SKILLS SECTION
   ============================================================ */
.skills-section { background: var(--c-bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.skill-card {
  position: relative;
  padding: 32px 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  transform-style: preserve-3d;
}
.skill-card:hover {
  border-color: var(--c-cyan);
  transform: translateY(-6px);
}
.skill-card-glow {
  position: absolute;
  width: 150px; height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,255,0.08) 0%, transparent 70%);
  top: -40px; right: -40px;
  pointer-events: none;
  transition: var(--transition);
}
.skill-card:hover .skill-card-glow { background: radial-gradient(circle, rgba(0,245,255,0.15) 0%, transparent 70%); }
.skill-icon { font-size: 2.2rem; margin-bottom: 16px; display: block; }
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.skill-card p { color: var(--c-muted); font-size: 0.85rem; line-height: 1.7; margin-bottom: 18px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.skill-tags span {
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(0,245,255,0.06);
  border: 1px solid rgba(0,245,255,0.2);
  border-radius: 4px;
  color: var(--c-cyan);
  letter-spacing: 0.5px;
}

/* ============================================================
   AWARDS SECTION
   ============================================================ */
.awards-section { background: var(--c-bg2); }

.awards-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}
.awards-timeline::before {
  content: '';
  position: absolute;
  left: 60px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--c-cyan), var(--c-violet), transparent);
}
.award-item { position: relative; padding-left: 120px; }
.award-connector {
  position: absolute;
  left: 52px;
  top: 40px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 16px var(--c-cyan);
  border: 3px solid var(--c-bg2);
}

.award-card {
  position: relative;
  display: flex;
  gap: 28px;
  padding: 28px 32px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.award-card:hover {
  border-color: var(--c-cyan);
  transform: translateX(6px);
}
.award-featured {
  border-color: rgba(245,158,11,0.4);
  background: rgba(245,158,11,0.03);
}
.award-featured:hover { border-color: var(--c-gold); }

.award-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 0% 50%, rgba(0,245,255,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.award-featured .award-glow {
  background: radial-gradient(ellipse at 0% 50%, rgba(245,158,11,0.07) 0%, transparent 60%);
}

/* 3D Badge */
.award-badge-container {
  flex-shrink: 0;
  perspective: 400px;
  width: 80px; height: 90px;
}
.award-badge-3d {
  width: 80px; height: 90px;
  position: relative;
  transform-style: preserve-3d;
  animation: badgeSpin3d 6s ease-in-out infinite;
}
@keyframes badgeSpin3d {
  0%,100% { transform: rotateY(0deg); }
  50% { transform: rotateY(20deg); }
}
.badge-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 10px;
  border: 1px solid var(--c-border);
  background: linear-gradient(135deg, rgba(0,245,255,0.08), rgba(124,58,237,0.12));
  font-family: var(--font-display);
}
.award-featured .badge-face {
  background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(245,158,11,0.05));
  border-color: rgba(245,158,11,0.3);
}
.badge-face span:first-child { font-size: 1.8rem; }
.badge-label { font-size: 0.55rem; font-weight: 700; color: var(--c-cyan); letter-spacing: 2px; }
.badge-sublabel { font-size: 0.5rem; color: var(--c-muted); letter-spacing: 1px; }
.award-featured .badge-label { color: var(--c-gold); }
.badge-year { font-size: 0.6rem; color: var(--c-violet); letter-spacing: 2px; }

.award-info { flex: 1; }
.award-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.award-featured .award-title { color: var(--c-gold); }
.award-org { font-family: var(--font-mono); font-size: 0.75rem; color: var(--c-muted); margin-bottom: 12px; }
.award-desc { color: var(--c-muted); font-size: 0.88rem; line-height: 1.7; margin-bottom: 12px; }
.award-stars { font-size: 0.9rem; }
.award-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,245,255,0.3);
  transition: var(--transition);
}
.award-link:hover { color: var(--c-violet); border-color: var(--c-violet); }
.award-links-row { display: flex; gap: 20px; }

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-section { background: var(--c-bg); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  position: relative;
  padding: 32px 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--c-cyan);
}
.project-glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.project-security .project-glow { background: radial-gradient(ellipse at top left, rgba(0,245,255,0.08), transparent 60%); }
.project-app .project-glow { background: radial-gradient(ellipse at top left, rgba(124,58,237,0.08), transparent 60%); }
.project-content .project-glow { background: radial-gradient(ellipse at top left, rgba(236,72,153,0.08), transparent 60%); }
.project-card:hover .project-glow { opacity: 1; }

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin-bottom: 20px;
}
.project-security .project-tag { color: var(--c-cyan); }
.project-app .project-tag { color: var(--c-violet); }
.project-content .project-tag { color: var(--c-pink); }

.project-icon-large { font-size: 2.5rem; margin-bottom: 16px; }
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.project-card p { color: var(--c-muted); font-size: 0.85rem; line-height: 1.7; flex: 1; margin-bottom: 20px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.project-tech span {
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  color: var(--c-muted);
}
.project-footer { margin-top: auto; }
.project-stats {
  display: flex;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
  margin-bottom: 14px;
}
.project-links { display: flex; gap: 10px; flex-wrap: wrap; }
.project-link-btn {
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-text);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.project-link-btn:hover {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(0,245,255,0.05);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section { background: var(--c-bg2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-intro {
  font-size: 1rem;
  color: var(--c-muted);
  line-height: 1.85;
  margin-bottom: 36px;
}

.social-links { display: flex; flex-direction: column; gap: 12px; }
.social-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--c-text);
  transition: var(--transition);
}
.social-card:hover {
  border-color: var(--c-cyan);
  background: rgba(0,245,255,0.04);
  transform: translateX(6px);
}
.social-icon {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.social-icon svg { width: 18px; height: 18px; }
#social-youtube .social-icon { color: #ff0000; }
#social-instagram .social-icon { color: #e1306c; }
#social-linkedin .social-icon { color: #0077b5; }
.social-info { flex: 1; }
.social-platform { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 2px; }
.social-handle { display: block; font-family: var(--font-mono); font-size: 0.72rem; color: var(--c-muted); }
.social-arrow { color: var(--c-muted); font-size: 0.8rem; transition: var(--transition); }
.social-card:hover .social-arrow { color: var(--c-cyan); transform: translateX(4px); }

/* Terminal */
.contact-terminal {
  background: #0a0d1a;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glow-cyan);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--c-border);
}
.terminal-dots { display: flex; gap: 7px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }
.terminal-title { font-family: var(--font-mono); font-size: 0.75rem; color: var(--c-muted); margin-left: auto; }
.terminal-body { padding: 24px; font-family: var(--font-mono); font-size: 0.82rem; line-height: 2; }
.terminal-line { display: block; }
.t-prompt { color: var(--c-cyan); margin-right: 8px; }
.t-output { color: var(--c-muted); padding-left: 20px; }
.terminal-cursor {
  display: inline-block;
  color: var(--c-cyan);
  animation: blink 1s steps(1) infinite;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--c-border);
  padding: 48px 48px 32px;
  text-align: center;
  background: var(--c-bg);
}
.footer-content { max-width: 900px; margin: 0 auto; }
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.footer-tagline {
  color: var(--c-muted);
  font-style: italic;
  font-size: 0.9rem;
  margin-bottom: 28px;
}
.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 32px;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-muted);
  text-decoration: none;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--c-cyan); }
.footer-copy { font-size: 0.78rem; color: var(--c-muted); font-family: var(--font-mono); }

/* ---- Email CTA ---- */
.email-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(0,245,255,0.06), rgba(124,58,237,0.06));
  border: 1px solid rgba(0,245,255,0.35);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--c-text);
  margin-bottom: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.email-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,255,0.04), rgba(124,58,237,0.08));
  opacity: 0;
  transition: opacity var(--transition);
}
.email-cta:hover::before { opacity: 1; }
.email-cta:hover {
  border-color: var(--c-cyan);
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
}
.email-cta-icon {
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,245,255,0.1);
  border: 1px solid rgba(0,245,255,0.25);
  border-radius: 10px;
  color: var(--c-cyan);
  flex-shrink: 0;
}
.email-cta-icon svg { width: 20px; height: 20px; }
.email-cta-text { flex: 1; }
.email-cta-label {
  display: block;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--c-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.email-cta-address {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-cyan);
  letter-spacing: 0.3px;
  word-break: break-all;
}
.email-cta-arrow {
  font-size: 1.1rem;
  color: var(--c-cyan);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.email-cta:hover .email-cta-arrow { transform: translate(3px, -3px); }

/* ---- Footer Email ---- */
.footer-email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0,245,255,0.4);
  padding-bottom: 2px;
  margin-bottom: 24px;
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.footer-email:hover {
  color: var(--c-violet);
  border-color: var(--c-violet);
}

/* ============================================================
   RESPONSIVE — COMPREHENSIVE MOBILE OPTIMISATION
   ============================================================ */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .avatar-container { width: 250px; height: 250px; }
  .ring-1 { width: 150px; height: 150px; }
  .ring-2 { width: 200px; height: 200px; }
  .ring-3 { width: 250px; height: 250px; }
}

@media (max-width: 768px) {
  /* Nav */
  .nav { padding: 14px 20px; }
  .nav.scrolled { padding: 10px 20px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(3,4,13,0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--c-border);
    border-top: 1px solid var(--c-border);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-link {
    display: block;
    padding: 12px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .nav-toggle { display: flex; }
  /* Animate hamburger to X */
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Sections */
  .section-container { padding: 80px 20px; }
  .section-title { font-size: clamp(1.7rem, 7vw, 2.4rem); }

  /* Hero */
  .hero-title { font-size: clamp(2.4rem, 11vw, 4.5rem); letter-spacing: 2px; }
  .hero-description { font-size: 0.92rem; }
  .hero-description br { display: none; }
  .hero-stats { gap: 16px; flex-wrap: wrap; justify-content: center; }
  .stat-divider { display: none; }
  .stat-number { font-size: 2rem; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; justify-content: center; min-height: 48px; }

  /* About */
  .about-grid { grid-template-columns: 1fr; }
  .avatar-container { width: 220px; height: 220px; }
  .orbit-badge { display: none; } /* too cramped on mobile */

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Awards */
  .awards-timeline { padding-left: 0; }
  .awards-timeline::before { display: none; }
  .award-item { padding-left: 0; }
  .award-connector { display: none; }
  .award-card { flex-direction: column; gap: 20px; padding: 22px 20px; }
  .award-badge-container { align-self: flex-start; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .email-cta-address { font-size: 0.82rem; }

  /* Footer */
  .footer { padding: 32px 20px; }
  .footer-links { gap: 14px; }
  .footer-links a { font-size: 0.72rem; }
}

@media (max-width: 480px) {
  /* Ensure nothing causes horizontal scroll */
  body { overflow-x: hidden; }

  /* Nav */
  .nav-logo { font-size: 1.1rem; }

  /* Hero */
  .hero-title { font-size: clamp(2rem, 13vw, 3.5rem); }
  .hero-badge { font-size: 0.65rem; padding: 6px 14px; text-align: center; }
  .hero-subtitle-wrapper { font-size: 0.9rem; }
  .scroll-hint { display: none; }

  /* Cards touch targets */
  .social-card { padding: 16px 14px; min-height: 60px; }
  .highlight-card { padding: 12px 14px; }
  .project-link-btn { min-height: 40px; display: inline-flex; align-items: center; }

  /* Email CTA */
  .email-cta { flex-wrap: wrap; }
  .email-cta-address { font-size: 0.75rem; }

  /* Terminal */
  .terminal-body { padding: 16px; font-size: 0.72rem; }

  /* Avatar */
  .avatar-container { width: 180px; height: 180px; }
  .avatar-core { width: 110px; height: 110px; }
  .avatar-initials { font-size: 1.7rem; }
  .ring-1 { width: 120px; height: 120px; }
  .ring-2 { width: 160px; height: 160px; }
  .ring-3 { width: 180px; height: 180px; }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .gravity-element { animation: none !important; }
  body::after { animation: none !important; }
}

/* Touch: disable 3D tilt on touch devices */
@media (hover: none) {
  .skill-card, .project-card {
    transform: none !important;
  }
  .social-card:hover { transform: none; }
  .highlight-card:hover { transform: none; }
}
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   SCAN LINE EFFECT
   ============================================================ */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
  animation: scanLine 6s linear infinite;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
}
@keyframes scanLine {
  0%   { top: -2px; }
  100% { top: 100%; }
}

/* Tilt effect enhancement */
.skill-card, .project-card {
  transform-style: preserve-3d;
  will-change: transform;
}