/* ═══════════════════════════════════════════════════════════
   VEDANT VAIDYA — NETWORK SECURITY PORTFOLIO
   Design System: Dark hacker / SOC aesthetic
═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@100;300;400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --bg-void:     #030508;
  --bg-primary:  #060a12;
  --bg-secondary:#0b1220;
  --bg-card:     rgba(0,255,204,0.03);
  --bg-card-hover: rgba(0,255,204,0.07);

  --cyan:   #00ffcc;
  --green:  #00ff88;
  --orange: #ff8c42;
  --red:    #ff2d55;
  --purple: #bd93f9;

  --text-bright:  #e8fffe;
  --text-primary: #a8d8e0;
  --text-muted:   #4d7080;
  --text-dim:     #2a4555;

  --border:       rgba(0,255,204,0.12);
  --border-hover: rgba(0,255,204,0.35);
  --glow-sm:  0 0 8px rgba(0,255,204,0.4);
  --glow-md:  0 0 20px rgba(0,255,204,0.3), 0 0 40px rgba(0,255,204,0.15);
  --glow-lg:  0 0 40px rgba(0,255,204,0.4), 0 0 80px rgba(0,255,204,0.2);

  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Inter', sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: default;
}

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

/* ── SELECTION ── */
::selection { background: rgba(0,255,204,0.2); color: var(--cyan); }

/* ── CANVAS NETWORK BACKGROUND ── */
#network-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* ── SCANLINE OVERLAY ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* ── NOISE TEXTURE ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  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)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

/* ── MAIN WRAPPER ── */
main, nav, footer { position: relative; z-index: 10; }

/* ══════════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(3,5,8,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo .logo-bracket { color: var(--text-muted); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::before {
  content: attr(data-num);
  color: var(--cyan);
  margin-right: 6px;
  font-size: 0.7rem;
  opacity: 0.7;
}

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

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

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.6); }
}

/* ══════════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px 40px;
  position: relative;
  overflow: hidden;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  animation: fade-up 0.8s 0.3s forwards;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-tag::before, .hero-tag::after {
  content: '';
  width: 32px; height: 1px;
  background: var(--cyan);
  opacity: 0.4;
}

.hero-name {
  font-family: var(--font-mono);
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 8px;
  opacity: 0;
  animation: fade-up 0.8s 0.5s forwards;
  position: relative;
}

.hero-name span { color: var(--cyan); text-shadow: var(--glow-md); }

.glitch-text {
  position: relative;
  display: inline-block;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

.glitch-text::before {
  color: var(--red);
  animation: glitch-r 3s infinite;
  clip-path: polygon(0 30%, 100% 30%, 100% 50%, 0 50%);
}

.glitch-text::after {
  color: var(--cyan);
  animation: glitch-l 3s infinite;
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
}

@keyframes glitch-r {
  0%, 90%, 100% { transform: translate(0); opacity: 0; }
  92% { transform: translate(3px, -2px); opacity: 0.8; }
  94% { transform: translate(-3px, 2px); opacity: 0.8; }
  96% { transform: translate(2px, 0); opacity: 0.8; }
}

@keyframes glitch-l {
  0%, 88%, 100% { transform: translate(0); opacity: 0; }
  90% { transform: translate(-4px, 2px); opacity: 0.7; }
  92% { transform: translate(4px, -2px); opacity: 0.7; }
  94% { transform: translate(-2px, 0); opacity: 0.7; }
}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  color: var(--text-muted);
  margin-bottom: 32px;
  opacity: 0;
  animation: fade-up 0.8s 0.7s forwards;
  min-height: 1.6em;
}

.hero-title .typing-cursor {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--cyan);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
  box-shadow: var(--glow-sm);
}

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

.hero-desc {
  max-width: 640px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.8;
  margin-bottom: 48px;
  opacity: 0;
  animation: fade-up 0.8s 0.9s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fade-up 0.8s 1.1s forwards;
}

.btn-primary {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cyan);
  transform: translateX(-100%);
  transition: var(--transition);
  z-index: -1;
}

.btn-primary:hover { color: var(--bg-void); box-shadow: var(--glow-md); }
.btn-primary:hover::before { transform: translateX(0); }

.btn-secondary {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.btn-secondary:hover { border-color: var(--border-hover); color: var(--text-primary); }

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  opacity: 0;
  animation: fade-up 0.8s 1.3s forwards;
}

.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: var(--glow-sm);
  display: block;
}
.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: block;
  margin-top: 4px;
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fade-in 1s 2s forwards;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scroll-pulse 2s ease infinite;
}

.scroll-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
}

@keyframes scroll-pulse {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ══════════════════════════════════════════════
   SECTION COMMON
══════════════════════════════════════════════ */
section {
  position: relative;
  z-index: 10;
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 64px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-tag::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--cyan);
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.section-title span { color: var(--cyan); }

.section-border {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--cyan), transparent);
  margin-top: 24px;
  opacity: 0.3;
}

/* ══════════════════════════════════════════════
   ABOUT SECTION
══════════════════════════════════════════════ */
#about .about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: center;
}

.about-photo-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.photo-inner-wrap {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 340px;
}

.photo-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(20%) contrast(1.1);
  transition: var(--transition-slow);
}

.photo-frame:hover img { filter: grayscale(0%) contrast(1.05); }

/* Clip-path hex-like corners */
.photo-frame {
  clip-path: polygon(
    20px 0, calc(100% - 20px) 0,
    100% 20px, 100% calc(100% - 20px),
    calc(100% - 20px) 100%, 20px 100%,
    0 calc(100% - 20px), 0 20px
  );
}

/* Scanline overlay on photo */
.photo-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    transparent 50%,
    rgba(0,255,204,0.03) 50%
  );
  background-size: 100% 4px;
  animation: scanline-move 8s linear infinite;
  pointer-events: none;
}

@keyframes scanline-move {
  0% { background-position: 0 0; }
  100% { background-position: 0 100%; }
}

.photo-frame::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, var(--cyan), transparent, var(--green));
  z-index: -1;
  opacity: 0.5;
}

.photo-corner {
  position: absolute;
  width: 20px; height: 20px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.8;
}
.photo-corner.tl { top: -8px; left: -8px; border-width: 2px 0 0 2px; }
.photo-corner.tr { top: -8px; right: -8px; border-width: 2px 2px 0 0; }
.photo-corner.bl { bottom: -8px; left: -8px; border-width: 0 0 2px 2px; }
.photo-corner.br { bottom: -8px; right: -8px; border-width: 0 2px 2px 0; }

.photo-label {
  position: absolute;
  bottom: 16px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: rgba(3,5,8,0.8);
  padding: 4px 12px;
  border: 1px solid rgba(0,255,204,0.2);
  white-space: nowrap;
}

.about-content .about-bio {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-primary);
  margin-bottom: 32px;
}

.about-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.meta-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-bright);
}

.meta-value a {
  color: var(--cyan);
  text-decoration: none;
  transition: var(--transition);
}
.meta-value a:hover { text-shadow: var(--glow-sm); }

/* ══════════════════════════════════════════════
   EXPERIENCE & EDUCATION TIMELINE
══════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  margin-bottom: 56px;
  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: -36px; top: 6px;
  width: 16px; height: 16px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--bg-void);
  box-shadow: var(--glow-sm);
}

.timeline-dot::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px 32px;
  position: relative;
  transition: var(--transition);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.timeline-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-sm);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.timeline-title {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  background: rgba(0,255,204,0.08);
  padding: 3px 10px;
  border: 1px solid rgba(0,255,204,0.15);
  border-radius: 2px;
  white-space: nowrap;
}

.timeline-org {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.timeline-org span { color: var(--green); }

.timeline-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-list li {
  font-size: 0.9rem;
  color: var(--text-primary);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.timeline-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.75rem;
}

.timeline-modules {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.timeline-modules strong { color: var(--text-dim); }

/* ══════════════════════════════════════════════
   SKILLS
══════════════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.skill-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px 16px;
  text-align: center;
  position: relative;
  transition: var(--transition);
  cursor: default;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  opacity: 0;
  transform: translateY(20px);
}

.skill-badge.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-badge:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-sm);
  transform: translateY(-4px);
}

.skill-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: block;
}

.skill-name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  transition: var(--transition);
}

.skill-badge:hover .skill-name { color: var(--cyan); }

.skill-bar-wrap {
  margin-top: 10px;
  height: 2px;
  background: rgba(0,255,204,0.08);
  border-radius: 1px;
  overflow: hidden;
}

.skill-bar {
  height: 100%;
  background: linear-gradient(to right, var(--cyan), var(--green));
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--glow-sm);
}

.skills-categories { margin-bottom: 48px; }

.skills-cat-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.skills-cat-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ══════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════ */
#contact .contact-terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 0;
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: var(--glow-sm);
}

.terminal-bar {
  background: rgba(0,255,204,0.05);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.t-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: auto;
}

.terminal-body {
  padding: 28px 32px;
}

.t-line {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 10px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.t-prompt { color: var(--green); flex-shrink: 0; }
.t-cmd { color: var(--cyan); }
.t-out { color: var(--text-primary); }
.t-comment { color: var(--text-dim); }

.contact-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
  justify-content: center;
}

.contact-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--cyan);
  border-color: var(--border-hover);
  box-shadow: var(--glow-sm);
}

/* ══════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════ */
footer {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 32px 40px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

footer .footer-code {
  color: var(--cyan);
  opacity: 0.5;
  display: block;
  margin-bottom: 4px;
}

/* ══════════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════════ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ══════════════════════════════════════════════
   HACK OVERLAY
══════════════════════════════════════════════ */
#hack-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  overflow: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#hack-overlay.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.hack-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,255,60,0.03) 0px,
    rgba(0,255,60,0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
}

.hack-noise {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: noise-move 0.2s steps(2) infinite;
}

@keyframes noise-move {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2px, 1px); }
  50% { transform: translate(1px, -2px); }
  75% { transform: translate(2px, 1px); }
  100% { transform: translate(-1px, 2px); }
}

.hack-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 800px;
  padding: 40px;
}

.hack-logo {
  font-size: 0.75rem;
  color: #00ff3c;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0.6;
}

#hack-terminal {
  min-height: 300px;
}

.hack-line {
  font-size: 0.85rem;
  margin-bottom: 6px;
  animation: hack-fade 0.1s ease forwards;
  white-space: pre-wrap;
}

@keyframes hack-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hack-line.green { color: #00ff3c; }
.hack-line.red { color: #ff0030; }
.hack-line.white { color: #c8ffd4; }
.hack-line.yellow { color: #ffff00; }
.hack-line.dim { color: #1a6630; }
.hack-line.cyan { color: #00ffcc; }
.hack-line.data { color: #fff; font-weight: 600; }

.hack-data-block {
  margin-top: 24px;
  border: 1px solid #00ff3c;
  padding: 20px 24px;
  background: rgba(0,255,60,0.04);
  animation: flicker 0.15s infinite;
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.97; }
}

.hack-data-row {
  display: flex;
  gap: 16px;
  margin-bottom: 8px;
  font-size: 0.82rem;
}

.hack-data-key { color: #1a9940; min-width: 140px; }
.hack-data-val { color: #00ff3c; font-weight: 600; }

.hack-cta {
  margin-top: 32px;
  font-size: 0.75rem;
  color: #1a6630;
  cursor: pointer;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hack-cta:hover { color: #00ff3c; }

.hack-progress-bar {
  width: 100%;
  height: 2px;
  background: rgba(0,255,60,0.1);
  margin-top: 8px;
  overflow: hidden;
}

.hack-progress-fill {
  height: 100%;
  background: #00ff3c;
  box-shadow: 0 0 8px #00ff3c;
  width: 0;
  transition: width linear;
}

/* ══════════════════════════════════════════════
   CHAT PAGE
══════════════════════════════════════════════ */
.chat-page-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: var(--bg-void);
}

.chat-entry-box {
  width: 100%;
  max-width: 480px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  overflow: hidden;
}

.chat-window {
  width: 100%;
  max-width: 900px;
  height: 90vh;
  max-height: 700px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0,255,204,0.03);
}

.chat-header-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-bright);
}

.chat-header-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-left: auto;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-msg {
  max-width: 75%;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  position: relative;
}

.chat-msg.received {
  background: rgba(0,255,204,0.08);
  border: 1px solid rgba(0,255,204,0.2);
  border-radius: 0 8px 8px 8px;
  align-self: flex-start;
  color: var(--text-bright);
}

.chat-msg.sent {
  background: rgba(0,255,136,0.06);
  border: 1px solid rgba(0,255,136,0.15);
  border-radius: 8px 0 8px 8px;
  align-self: flex-end;
  color: var(--text-primary);
}

.chat-msg-sender {
  font-size: 0.65rem;
  color: var(--text-dim);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.chat-msg-time {
  font-size: 0.6rem;
  color: var(--text-dim);
  margin-top: 4px;
  text-align: right;
}

.chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  background: rgba(0,0,0,0.2);
}

.chat-input {
  flex: 1;
  background: rgba(0,255,204,0.04);
  border: 1px solid var(--border);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px 16px;
  outline: none;
  transition: var(--transition);
}

.chat-input::placeholder { color: var(--text-dim); }
.chat-input:focus { border-color: var(--border-hover); box-shadow: var(--glow-sm); }

.chat-send-btn {
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 10px 20px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.chat-send-btn:hover {
  background: var(--cyan);
  color: var(--bg-void);
  box-shadow: var(--glow-sm);
}

.form-group {
  padding: 24px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: rgba(0,255,204,0.04);
  border: 1px solid var(--border);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 12px 16px;
  outline: none;
  transition: var(--transition);
  margin-bottom: 16px;
}

.form-input:focus { border-color: var(--border-hover); box-shadow: var(--glow-sm); }
.form-input::placeholder { color: var(--text-dim); }

.form-submit {
  width: 100%;
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 14px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.form-submit:hover {
  background: var(--cyan);
  color: var(--bg-void);
  box-shadow: var(--glow-md);
}

.error-msg {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--red);
  padding: 10px 16px;
  background: rgba(255,45,85,0.08);
  border: 1px solid rgba(255,45,85,0.2);
  margin: 0 24px 16px;
}

.system-msg {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
  padding: 6px 0;
  letter-spacing: 0.08em;
}

/* ══════════════════════════════════════════════
   ADMIN PANEL
══════════════════════════════════════════════ */
.admin-body {
  min-height: 100vh;
  background: var(--bg-void);
  font-family: var(--font-sans);
}

.admin-nav {
  height: 56px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 32px;
  gap: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-nav-logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.admin-nav-links { margin-left: auto; display: flex; gap: 16px; }
.admin-nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: var(--transition);
}
.admin-nav-links a:hover { color: var(--cyan); }

.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 32px;
}

.admin-title {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.admin-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.admin-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px 24px;
}

.admin-stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--cyan);
  font-weight: 700;
  display: block;
}

.admin-stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-top: 4px;
}

.admin-section-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.admin-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  background: rgba(0,255,204,0.03);
}

.admin-table td {
  padding: 14px 16px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(0,255,204,0.05);
  vertical-align: middle;
}

.admin-table tr:hover td { background: rgba(0,255,204,0.03); }

.code-display {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  background: rgba(0,255,204,0.06);
  padding: 4px 10px;
  border: 1px solid rgba(0,255,204,0.15);
  display: inline-block;
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 2px;
}

.status-badge.active { background: rgba(0,255,136,0.1); color: var(--green); border: 1px solid rgba(0,255,136,0.2); }
.status-badge.used { background: rgba(255,140,66,0.1); color: var(--orange); border: 1px solid rgba(255,140,66,0.2); }
.status-badge.inactive { background: rgba(255,45,85,0.1); color: var(--red); border: 1px solid rgba(255,45,85,0.2); }

.btn-sm {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 6px 14px;
  border: 1px solid;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: transparent;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
}

.btn-sm.cyan { border-color: var(--cyan); color: var(--cyan); }
.btn-sm.cyan:hover { background: var(--cyan); color: var(--bg-void); }
.btn-sm.red { border-color: var(--red); color: var(--red); }
.btn-sm.red:hover { background: var(--red); color: #fff; }
.btn-sm.green { border-color: var(--green); color: var(--green); }
.btn-sm.green:hover { background: var(--green); color: var(--bg-void); }

.generate-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px 32px;
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.new-code-display {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-shadow: var(--glow-md);
  background: rgba(0,255,204,0.06);
  border: 1px solid rgba(0,255,204,0.2);
  padding: 12px 24px;
  margin-top: 16px;
  display: none;
}

.new-code-display.show { display: block; }

/* ══════════════════════════════════════════════
   CERTIFICATIONS
══════════════════════════════════════════════ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.cert-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
  text-decoration: none;
  overflow: hidden;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.cert-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-sm);
  transform: translateY(-4px);
}

.cert-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
}

.cert-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: var(--transition-slow);
}

.cert-card:hover .cert-image-wrap img {
  transform: scale(1.05);
}

.cert-overlay {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 8, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  backdrop-filter: blur(2px);
}

.cert-card:hover .cert-overlay {
  opacity: 1;
}

.cert-overlay span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 8px 16px;
  background: rgba(0, 255, 204, 0.1);
}

.cert-info {
  padding: 20px;
  text-align: left;
}

.cert-info h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.text-cert-card {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.cert-icon-wrap {
  font-size: 3.5rem;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 8px rgba(0, 255, 204, 0.3));
}

.text-cert-card .cert-info {
  text-align: center;
  padding: 0;
}

.view-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  display: inline-block;
  margin-top: 8px;
  transition: var(--transition);
}

.text-cert-card:hover .view-link {
  text-shadow: var(--glow-sm);
}

/* ══════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }

  #hero { padding: 100px 20px 40px; }
  .hero-stats { gap: 24px; }
  .hero-name { font-size: 2.2rem; }

  section { padding: 64px 20px; }

  #about .about-grid { grid-template-columns: 1fr; }
  .photo-frame { max-width: 220px; margin: 0 auto; }

  .admin-main { padding: 24px 16px; }
  .generate-box { flex-direction: column; }

  .chat-msg { max-width: 90%; }
  .chat-header { padding: 12px 16px; }
  .chat-input-area { padding: 12px 16px; }
  .chat-window { height: 100vh !important; max-height: none !important; border-radius: 0; border: none; }
  .chat-wrap { padding: 0; }
  .admin-body { padding: 0 !important; }
  .admin-body > div { padding: 12px !important; }
  .admin-nav { padding: 16px; }
  .chat-entry-box { margin: 16px; border-radius: 8px; }
}