/* ============================================================
   HIMESH | DIEH4CKER — CYBERSECURITY PORTFOLIO
   style.css — Core Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Inter:wght@300;400;500;600;700&family=Orbitron:wght@400;700;900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --void:        #07070d;
  --deep:        #0d0d1a;
  --surface:     #12121f;
  --surface2:    #1a1a2e;
  --glass:       rgba(255,255,255,0.04);
  --glass-edge:  rgba(255,255,255,0.08);
  --cyan:        #00f5ff;
  --cyan-dim:    rgba(0, 245, 255, 0.15);
  --cyan-glow:   rgba(0, 245, 255, 0.35);
  --purple:      #b44fff;
  --purple-dim:  rgba(180, 79, 255, 0.15);
  --purple-glow: rgba(180, 79, 255, 0.35);
  --green:       #39ff14;
  --green-dim:   rgba(57, 255, 20, 0.12);
  --text-primary:#e8e8f0;
  --text-sec:    #8888a8;
  --text-dim:    #4a4a6a;
  --font-mono:   'Share Tech Mono', monospace;
  --font-display:'Orbitron', monospace;
  --font-body:   'Inter', sans-serif;
  --radius:      12px;
  --radius-lg:   20px;
  --transition:  0.35s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  background: var(--void);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

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

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

/* ── Custom Cursor ── */
#cursor {
  position: fixed;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width 0.2s, height 0.2s, opacity 0.2s;
  box-shadow: 0 0 12px var(--cyan), 0 0 24px var(--cyan-glow);
  mix-blend-mode: screen;
}

#cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(0,245,255,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%,-50%);
  transition: transform 0.08s linear, width 0.3s, height 0.3s, border-color 0.3s;
}

body:hover #cursor { opacity: 1; }

/* ── Loading Screen ── */
#loader {
  position: fixed;
  inset: 0;
  background: var(--void);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--cyan);
  text-shadow: 0 0 20px var(--cyan), 0 0 60px var(--cyan-glow);
  letter-spacing: 0.15em;
}

.loader-bar-wrap {
  width: min(380px, 80vw);
  height: 3px;
  background: var(--surface2);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 2px;
  box-shadow: 0 0 12px var(--cyan);
  transition: width 0.05s linear;
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  min-height: 1.4em;
}

.loader-access {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 20px var(--green), 0 0 50px rgba(57,255,20,0.4);
  letter-spacing: 0.3em;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.loader-access.show { opacity: 1; transform: scale(1); }

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7,7,13,0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,245,255,0.06);
  transition: background var(--transition);
}

nav.scrolled {
  background: rgba(7,7,13,0.92);
  border-bottom-color: rgba(0,245,255,0.12);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--cyan-glow);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo span { color: var(--purple); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-sec);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active { color: var(--cyan); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  background: var(--cyan-dim);
  padding: 0.4rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
  background: rgba(0,245,255,0.22);
  box-shadow: 0 0 16px var(--cyan-glow);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Global Section Styles ── */
section {
  padding: 7rem 2rem;
  position: relative;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.section-title .accent { color: var(--cyan); }
.section-title .accent-p { color: var(--purple); }

.section-desc {
  color: var(--text-sec);
  font-size: 1rem;
  max-width: 540px;
  margin-bottom: 3.5rem;
}

/* ── Glass Card Mixin ── */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  position: relative;
}

/* Layered background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridDrift 20s linear infinite;
}

@keyframes gridDrift {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-radial {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 40%, rgba(0,245,255,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 75% 65%, rgba(180,79,255,0.07) 0%, transparent 70%);
}

.hero-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.12) 3px,
    rgba(0,0,0,0.12) 4px
  );
  pointer-events: none;
  opacity: 0.4;
}

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,245,255,0.12) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(180,79,255,0.1) 0%, transparent 70%);
  bottom: -150px; right: -100px;
  animation-delay: -3s;
}

.orb-3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(57,255,20,0.06) 0%, transparent 70%);
  top: 40%; left: 55%;
  animation-delay: -5s;
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* Particles canvas */
#particles-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
}

/* Hero Content */
.hero-content { }

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(57,255,20,0.2);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero-status .dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-sec);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 0.3rem;
}

.hero-name .char-cyan { color: var(--cyan); text-shadow: 0 0 20px var(--cyan-glow), 0 0 50px rgba(0,245,255,0.2); }

.hero-alias {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--purple);
  text-shadow: 0 0 15px var(--purple-glow);
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}

.hero-alias::before { content: '[ '; }
.hero-alias::after  { content: ' ]'; }

.hero-typing-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text-sec);
  margin-bottom: 2rem;
  min-height: 1.8em;
}

.typing-prefix { color: var(--cyan); }

#typing-text {
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.cursor-blink {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--cyan);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  box-shadow: 0 0 6px var(--cyan);
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-desc {
  font-size: 0.95rem;
  color: var(--text-sec);
  max-width: 420px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
  border-left: 2px solid var(--cyan-dim);
  padding-left: 1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--void);
  background: var(--cyan);
  border: none;
  padding: 0.75rem 1.8rem;
  border-radius: 6px;
  text-decoration: none;
  letter-spacing: 0.06em;
  cursor: none;
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
  box-shadow: 0 0 20px var(--cyan-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px var(--cyan), 0 8px 20px rgba(0,245,255,0.25);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--purple);
  background: var(--purple-dim);
  border: 1px solid rgba(180,79,255,0.3);
  padding: 0.75rem 1.8rem;
  border-radius: 6px;
  text-decoration: none;
  letter-spacing: 0.06em;
  cursor: none;
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: rgba(180,79,255,0.22);
  box-shadow: 0 0 20px var(--purple-glow), 0 8px 20px rgba(180,79,255,0.2);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-sec);
  background: transparent;
  border: 1px solid var(--glass-edge);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  letter-spacing: 0.05em;
  cursor: none;
  transition: border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn-outline:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
  box-shadow: 0 0 12px rgba(0,245,255,0.1);
}

/* Hero Avatar Card */
.hero-avatar-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.avatar-card {
  width: min(380px, 100%);
  aspect-ratio: 0.82;
  background: linear-gradient(135deg, rgba(0,245,255,0.04) 0%, rgba(180,79,255,0.06) 100%);
  border: 1px solid rgba(0,245,255,0.12);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.12s ease;
  box-shadow:
    0 0 0 1px rgba(0,245,255,0.04),
    0 20px 60px rgba(0,0,0,0.6),
    inset 0 1px 0 rgba(255,255,255,0.06);
}


.avatar-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,245,255,0.06) 0%, transparent 50%, rgba(180,79,255,0.06) 100%);
  pointer-events: none;
  z-index: 2;
}

/* Scan line overlay */
.avatar-card::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(180deg, transparent, rgba(0,245,255,0.04), transparent);
  animation: scan 4s ease-in-out infinite;
  z-index: 3;
  pointer-events: none;
}

@keyframes scan {
  0% { top: -40%; }
  100% { top: 140%; }
}

.avatar-svg-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

/* Corner decorations on card */
.card-corner {
  position: absolute;
  width: 18px;
  height: 18px;
  z-index: 4;
}

.card-corner::before,
.card-corner::after {
  content: '';
  position: absolute;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.card-corner::before { width: 100%; height: 2px; top: 0; left: 0; }
.card-corner::after  { width: 2px; height: 100%; top: 0; left: 0; }

.card-corner.tr { top: 10px; right: 10px; transform: rotate(90deg); }
.card-corner.tl { top: 10px; left: 10px; }
.card-corner.bl { bottom: 10px; left: 10px; transform: rotate(270deg); }
.card-corner.br { bottom: 10px; right: 10px; transform: rotate(180deg); }

.avatar-data {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(0deg, rgba(7,7,13,0.95) 60%, transparent);
  z-index: 5;
}

.avatar-data-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.avatar-data-row span:last-child { color: var(--cyan); }

/* Floating badges around avatar */
.float-badge {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
  pointer-events: none;
}

.float-badge-1 {
  background: rgba(0,245,255,0.1);
  border: 1px solid rgba(0,245,255,0.3);
  color: var(--cyan);
  top: 10%;
  right: -30px;
  animation: floatBadge 3s ease-in-out infinite;
}

.float-badge-2 {
  background: rgba(180,79,255,0.1);
  border: 1px solid rgba(180,79,255,0.3);
  color: var(--purple);
  bottom: 25%;
  left: -40px;
  animation: floatBadge 3.5s ease-in-out infinite reverse;
}

.float-badge-3 {
  background: rgba(57,255,20,0.08);
  border: 1px solid rgba(57,255,20,0.2);
  color: var(--green);
  top: 40%;
  right: -50px;
  animation: floatBadge 4s ease-in-out infinite;
  animation-delay: -1.5s;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: -14rem;
  left: -14%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 5;
  animation: fadeIn 1s ease 2s both;
}

.scroll-mouse {
  width: 22px;
  height: 34px;
  border: 1px solid rgba(0,245,255,0.3);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-dot {
  width: 3px;
  height: 6px;
  background: var(--cyan);
  border-radius: 2px;
  box-shadow: 0 0 4px var(--cyan);
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  80%  { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* Mouse-reactive light */
.mouse-light {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,255,0.05) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%,-50%);
  z-index: 1;
  transition: opacity 0.3s;
}

/* ── ABOUT ── */
#about { background: linear-gradient(180deg, var(--void) 0%, var(--deep) 100%); }

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-sec);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-text p strong { color: var(--cyan); font-weight: 500; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2.5rem;
}

.stat-item {
  padding: 1.2rem;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-item:hover {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 20px rgba(0,245,255,0.05);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  text-shadow: 0 0 15px var(--cyan-glow);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

.about-card {
  position: sticky;
  top: 100px;
}

.about-card-inner {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0,245,255,0.04) 0%, rgba(180,79,255,0.06) 100%);
  border: 1px solid var(--glass-edge);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.about-card-inner:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(0,0,0,0.4), 0 0 30px rgba(0,245,255,0.04);
}

.about-card-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  box-shadow: 0 0 10px var(--cyan-glow);
}

.about-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.88rem;
}

.about-info-row:last-child { border-bottom: none; }
.about-info-label { color: var(--text-dim); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em; }
.about-info-val { color: var(--text-primary); font-weight: 500; }
.about-info-val.green { color: var(--green); }
.about-info-val.cyan  { color: var(--cyan); }

.about-interests {
  margin-top: 1.5rem;
}

.about-interest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.tag-cyan {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0,245,255,0.2);
}

.tag-purple {
  background: var(--purple-dim);
  color: var(--purple);
  border: 1px solid rgba(180,79,255,0.2);
}

.tag-green {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(57,255,20,0.2);
}

/* ── SKILLS ── */
#skills { background: var(--deep); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.skill-category {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
}

.skill-category:hover {
  border-color: rgba(0,245,255,0.12);
  box-shadow: 0 0 30px rgba(0,245,255,0.04);
}

.skill-cat-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-cat-title svg { width: 14px; height: 14px; }

.skill-bar-item {
  margin-bottom: 1.2rem;
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
}

.skill-bar-name { color: var(--text-primary); font-weight: 500; }
.skill-bar-pct  { font-family: var(--font-mono); font-size: 0.75rem; color: var(--cyan); }

.skill-bar-track {
  height: 5px;
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  box-shadow: 0 0 8px var(--cyan-glow);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
  position: relative;
}

.skill-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.skill-tags-wrap {
  grid-column: 1 / -1;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--glass);
  border: 1px solid var(--glass-edge);
}

.skill-tags-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--purple);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.skill-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  color: var(--text-sec);
  transition: all var(--transition);
  cursor: default;
}

.skill-tag:hover {
  background: var(--cyan-dim);
  border-color: rgba(0,245,255,0.3);
  color: var(--cyan);
  box-shadow: 0 0 10px rgba(0,245,255,0.1);
  transform: translateY(-2px);
}

/* ── PROJECTS ── */
#projects { background: linear-gradient(180deg, var(--deep) 0%, var(--void) 100%); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8rem;
}

.project-card {
  background: linear-gradient(135deg, rgba(0,245,255,0.03) 0%, rgba(180,79,255,0.04) 100%);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.12s ease, box-shadow var(--transition), border-color var(--transition);
  transform-style: preserve-3d;
  position: relative;
  cursor: none;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
}

.project-card:hover {
  border-color: rgba(0,245,255,0.2);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(0,245,255,0.06);
}

.project-img {
  height: 180px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface2) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-img-icon {
  font-size: 3rem;
  opacity: 0.3;
}

.project-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7,7,13,0.8) 0%, transparent 50%);
}

.project-img-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

.project-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 0.22rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
}

.badge-security {
  background: rgba(57,255,20,0.1);
  border: 1px solid rgba(57,255,20,0.25);
  color: var(--green);
}

.badge-tool {
  background: var(--cyan-dim);
  border: 1px solid rgba(0,245,255,0.25);
  color: var(--cyan);
}

.badge-research {
  background: var(--purple-dim);
  border: 1px solid rgba(180,79,255,0.25);
  color: var(--purple);
}

.project-body {
  padding: 1.5rem;
  position: relative;
  z-index: 2;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-sec);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

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

.project-actions .btn-outline {
  font-size: 0.73rem;
  padding: 0.45rem 0.9rem;
  flex: 1;
  justify-content: center;
}

.project-actions .btn-outline.github { border-color: rgba(180,79,255,0.25); color: var(--purple); }
.project-actions .btn-outline.github:hover { border-color: var(--purple); box-shadow: 0 0 12px var(--purple-glow); }

.project-actions .btn-outline.demo { border-color: rgba(0,245,255,0.2); color: var(--cyan); }
.project-actions .btn-outline.demo:hover { border-color: var(--cyan); box-shadow: 0 0 12px var(--cyan-glow); }

/* ── EXPERIENCE / TIMELINE ── */
#experience { background: var(--void); }

.timeline {
  position: relative;
  padding-left: 2rem;
  max-width: 800px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--purple), transparent);
  box-shadow: 0 0 8px var(--cyan-glow);
}

.timeline-item {
  position: relative;
  padding: 0 0 3rem 2.5rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-dot {
  position: absolute;
  left: -6px;
  top: 4px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 12px var(--cyan), 0 0 20px var(--cyan-glow);
  transition: background var(--transition), box-shadow var(--transition);
}

.timeline-item:hover .timeline-dot {
  background: var(--cyan);
  box-shadow: 0 0 20px var(--cyan), 0 0 40px var(--cyan-glow);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.timeline-card {
  padding: 1.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.timeline-card:hover {
  border-color: rgba(0,245,255,0.15);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3), 0 0 20px rgba(0,245,255,0.04);
  transform: translateX(4px);
}

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

.timeline-org {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--purple);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-sec);
  line-height: 1.7;
}

.timeline-desc ul { padding-left: 1.2rem; margin-top: 0.5rem; }
.timeline-desc li { margin-bottom: 0.3rem; }

/* ── CERTIFICATIONS ── */
#certifications { background: var(--deep); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.cert-card {
  padding: 1.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-lg);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.cert-card:hover {
  border-color: rgba(0,245,255,0.15);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35), 0 0 20px rgba(0,245,255,0.04);
  transform: translateY(-3px);
}

.cert-card:hover::before { transform: scaleX(1); }

.cert-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,245,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.cert-icon.purple {
  background: var(--purple-dim);
  border-color: rgba(180,79,255,0.2);
}

.cert-icon.green {
  background: var(--green-dim);
  border-color: rgba(57,255,20,0.2);
}

.cert-body { flex: 1; }

.cert-name {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.cert-meta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

.cert-date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.cert-status {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 0.1rem 0.5rem;
  border-radius: 100px;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(57,255,20,0.2);
  letter-spacing: 0.06em;
}

/* ── CONTACT ── */
#contact { background: linear-gradient(180deg, var(--deep) 0%, var(--void) 100%); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-sec);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius);
  color: var(--text-sec);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-link::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transition: transform var(--transition);
}

.contact-link:hover {
  border-color: rgba(0,245,255,0.2);
  color: var(--cyan);
  background: rgba(0,245,255,0.04);
  transform: translateX(4px);
}

.contact-link:hover::before { transform: scaleY(1); }

.contact-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.contact-link:hover svg { opacity: 1; }
.contact-link span { letter-spacing: 0.02em; }

.resume-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--purple);
  background: var(--purple-dim);
  border: 1px solid rgba(180,79,255,0.3);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  letter-spacing: 0.06em;
  cursor: none;
  transition: all var(--transition);
}

.resume-btn:hover {
  background: rgba(180,79,255,0.22);
  box-shadow: 0 0 20px var(--purple-glow);
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form {
  padding: 2rem;
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  box-shadow: 0 0 10px var(--cyan-glow);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-title::before {
  content: '>';
  color: var(--cyan);
  font-family: var(--font-mono);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 6px;
  padding: 0.7rem 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 0 2px rgba(0,245,255,0.06), 0 0 12px rgba(0,245,255,0.04);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group textarea { height: 100px; }

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
  justify-content: center;
  padding: 0.85rem;
  font-size: 0.85rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
  letter-spacing: 0.06em;
}

/* ── FOOTER ── */
footer {
  padding: 2rem;
  border-top: 1px solid rgba(255,255,255,0.04);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

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

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  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; }

/* ── Neon Floating Shapes ── */
.neon-shape {
  position: absolute;
  pointer-events: none;
  opacity: 0.15;
}

.neon-hex {
  width: 80px; height: 80px;
  border: 1px solid var(--cyan);
  transform: rotate(30deg);
  animation: floatShape 6s ease-in-out infinite;
}

.neon-circle {
  width: 50px; height: 50px;
  border-radius: 50%;
  border: 1px solid var(--purple);
  animation: floatShape 8s ease-in-out infinite reverse;
}

@keyframes floatShape {
  0%, 100% { transform: rotate(0deg) translateY(0); }
  50% { transform: rotate(10deg) translateY(-15px); }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-desc { margin: 0 auto 2rem; }
  .hero-actions { justify-content: center; }
  .hero-typing-wrap { justify-content: center; }

  .avatar-card {
    max-width: 280px;
  }

  .hero-avatar-wrap { order: -1; }

  .float-badge-1, .float-badge-2, .float-badge-3 { display: none; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-card { position: static; }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(7,7,13,0.98);
    border-bottom: 1px solid rgba(0,245,255,0.1);
    padding: 1.5rem 2rem;
    gap: 1.2rem;
    z-index: 999;
  }

  nav.mobile-open .nav-cta {
    display: inline-flex;
    margin: 0.5rem 2rem 1.5rem;
    position: fixed;
    top: 64px + 250px;
    left: 0;
    right: 0;
    z-index: 999;
  }
}

@media (max-width: 600px) {
  section { padding: 5rem 1.25rem; }

  .hero-name { font-size: 2.8rem; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 1.25rem; }
  .timeline-item { padding-left: 1.75rem; }
}

/* ── Utility ── */
.text-cyan   { color: var(--cyan); }
.text-purple { color: var(--purple); }
.text-green  { color: var(--green); }

.glitch {
  position: relative;
  animation: glitch 8s infinite;
}

@keyframes glitch {
  0%, 92%, 100% { transform: translate(0); }
  94% { transform: translate(-2px, 1px); clip-path: inset(20% 0 60% 0); }
  96% { transform: translate(2px, -1px); clip-path: inset(60% 0 20% 0); }
  98% { transform: translate(0); }
}