/* ============================================================
   CYBERSEC PORTFOLIO — style.css
   Theme: Terminal Noir / Hacker Dark
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg-primary:    #050b12;
  --bg-secondary:  #080f1a;
  --bg-card:       #0a1525;
  --bg-card-hover: #0e1e35;

  --accent-cyan:   #00f5d4;
  --accent-purple: #8b5cf6;
  --accent-blue:   #0ea5e9;
  --accent-red:    #ef4444;
  --accent-yellow: #f59e0b;
  --accent-green:  #22c55e;

  --text-primary:  #e2e8f0;
  --text-secondary:#94a3b8;
  --text-dim:      #475569;
  --text-accent:   #00f5d4;

  --border:        rgba(0, 245, 212, 0.12);
  --border-glow:   rgba(0, 245, 212, 0.35);
  --glow-cyan:     0 0 20px rgba(0, 245, 212, 0.3);
  --glow-purple:   0 0 20px rgba(139, 92, 246, 0.3);

  --font-mono:     'Share Tech Mono', monospace;
  --font-display:  'Orbitron', monospace;
  --font-body:     'Rajdhani', sans-serif;

  --navbar-h:      70px;
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius:        8px;
  --radius-lg:     16px;
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Particle canvas */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--accent-cyan);
  border-radius: 3px;
}

/* ── Selection ──────────────────────────────────────────────── */
::selection {
  background: rgba(0, 245, 212, 0.25);
  color: var(--accent-cyan);
}

/* ── Shared Utilities ───────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; position: relative; z-index: 1; }
.section-dark { background: var(--bg-secondary); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  letter-spacing: 3px;
  display: block;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  margin: 16px auto 0;
  border-radius: 2px;
}

.text-accent { color: var(--accent-cyan); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.btn:hover::before { transform: translateX(100%); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(0, 245, 212, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 245, 212, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

.btn-secondary:hover {
  background: rgba(0, 245, 212, 0.08);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAVBAR
============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  z-index: 1000;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

#navbar.scrolled {
  background: rgba(5, 11, 18, 0.92);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.logo-bracket { color: var(--accent-cyan); }
.logo-accent  { color: var(--accent-purple); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  letter-spacing: 0.5px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 14px; right: 14px;
  height: 1px;
  background: var(--accent-cyan);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO SECTION
============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--navbar-h) + 40px) 24px 60px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* CRT scanlines overlay */
.hero-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 245, 212, 0.015) 2px,
    rgba(0, 245, 212, 0.015) 4px
  );
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  max-width: 680px;
  margin: 0 auto 0 calc((100vw - 1200px) / 2);
  padding-left: 24px;
  position: relative;
  z-index: 2;
}

/* Terminal bar decoration */
.hero-terminal-bar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 245, 212, 0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 16px;
  margin-bottom: 28px;
}

.terminal-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.dot-red    { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green  { background: #22c55e; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 8px;
}

.hero-prompt {
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.prompt-symbol { color: var(--accent-cyan); margin-right: 8px; }

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.name-highlight {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: var(--accent-cyan);
  margin-bottom: 24px;
  min-height: 1.5em;
}

.cursor-blink {
  animation: blink 0.8s step-end infinite;
  color: var(--accent-cyan);
}

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

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--font-mono);
}

.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 4px;
  letter-spacing: 1px;
}
.stat-divider { color: var(--border-glow); font-size: 1.2rem; }

/* Hero Visual — Hex Grid */
.hero-visual {
  position: absolute;
  right: calc((100vw - 1200px) / 2 + 24px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 80px);
  gap: 12px;
  opacity: 0.7;
}

.hex-item {
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 1.5rem;
  color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.04);
  transition: var(--transition);
  animation: hexPulse 3s ease-in-out infinite;
}

.hex-item:nth-child(2n) { animation-delay: 0.5s; border-color: rgba(139, 92, 246, 0.25); color: var(--accent-purple); }
.hex-item:nth-child(3n) { animation-delay: 1s; }

@keyframes hexPulse {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 20px rgba(0, 245, 212, 0.2); }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  z-index: 2;
}

.scroll-arrow {
  width: 16px; height: 16px;
  border-right: 2px solid var(--text-dim);
  border-bottom: 2px solid var(--text-dim);
  transform: rotate(45deg);
  animation: scrollBounce 1.5s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(4px); }
}

/* ============================================================
   ABOUT SECTION
============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
}

/* Avatar */
.about-avatar-col { display: flex; flex-direction: column; align-items: center; gap: 20px; }

.avatar-frame {
  position: relative;
  width: 260px; height: 260px;
}

.avatar-placeholder {
  width: 100%; height: 100%;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* If you put a real <img> inside .avatar-placeholder */
.avatar-placeholder img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.avatar-icon {
  font-size: 5rem;
  color: var(--accent-cyan);
  opacity: 0.6;
  z-index: 1;
}

.avatar-glitch-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 245, 212, 0.05) 0%,
    transparent 50%,
    rgba(139, 92, 246, 0.05) 100%
  );
}

.avatar-border-glow {
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  z-index: -1;
  opacity: 0.5;
  filter: blur(8px);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-green);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 6px 16px;
  border-radius: 100px;
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* About info */
.about-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 32px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.info-icon {
  color: var(--accent-cyan);
  width: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.info-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.info-value {
  display: block;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.interest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.08);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 100px;
  transition: var(--transition);
}

.tag:hover {
  background: rgba(0, 245, 212, 0.15);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

/* ============================================================
   SKILLS SECTION
============================================================ */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.skill-category:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.category-header i {
  font-size: 1.3rem;
  color: var(--accent-cyan);
}

.category-header h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-primary);
}

/* Skill Bars */
.skill-bars { display: flex; flex-direction: column; gap: 14px; }

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.skill-pct { color: var(--accent-cyan); }

.skill-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 3px;
  width: 0;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-bar-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 0;
  width: 4px; height: 100%;
  background: white;
  opacity: 0.6;
  border-radius: 2px;
}

/* Tool Badges */
.tool-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.06);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: var(--transition);
  cursor: default;
}

.tool-badge:hover {
  background: rgba(0, 245, 212, 0.15);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 245, 212, 0.2);
}

/* Language Cards */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.lang-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.lang-card:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.06);
  transform: translateY(-3px);
}

.lang-card i { font-size: 1.6rem; color: var(--accent-cyan); }
.lang-card span { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-secondary); }

.lang-level {
  display: flex;
  gap: 3px;
}

.lang-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
}

.lang-dot.filled {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
}

/* Soft Skills */
.soft-skills-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.soft-skill-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.soft-skill-item i { color: var(--accent-cyan); width: 16px; }

.soft-skill-item:hover {
  border-color: var(--border-glow);
  color: var(--text-primary);
  transform: translateX(4px);
}

/* ============================================================
   PROJECTS SECTION
============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  transform: scaleX(0);
  transition: transform 0.4s;
  transform-origin: left;
}

.project-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), var(--glow-cyan);
  transform: translateY(-6px);
}

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

.project-card-inner { padding: 28px; }

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.project-icon {
  width: 50px; height: 50px;
  background: rgba(0, 245, 212, 0.08);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-cyan);
}

.project-links { display: flex; gap: 10px; }

.proj-link {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  transition: var(--transition);
}

.proj-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.08);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tech span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ============================================================
   ACHIEVEMENTS / TIMELINE
============================================================ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
  padding-right: calc(50% + 32px);
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
  padding-left: calc(50% + 32px);
}

.timeline-icon {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 44px; height: 44px;
  background: var(--bg-secondary);
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1rem;
  z-index: 2;
  box-shadow: var(--glow-cyan);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  transition: var(--transition);
  width: 100%;
}

.timeline-content:hover {
  border-color: var(--border-glow);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.timeline-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.timeline-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  padding: 3px 12px;
  border-radius: 100px;
  letter-spacing: 1px;
}

/* ============================================================
   CERTIFICATES SECTION
============================================================ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.cert-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 8px 40px rgba(0,0,0,0.4), var(--glow-cyan);
  transform: translateY(-5px);
}

.cert-logo {
  width: 52px; height: 52px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.cert-cisco  { background: rgba(14, 165, 233, 0.12); color: var(--accent-blue); }
.cert-google { background: rgba(234, 67, 53, 0.1); color: #ea4335; }
.cert-thm    { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.cert-htb    { background: rgba(0, 245, 212, 0.08); color: var(--accent-cyan); }
.cert-comptia{ background: rgba(245, 158, 11, 0.1); color: var(--accent-yellow); }
.cert-ec     { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }

.cert-info { flex: 1; }

.cert-info h3 {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

.cert-org {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.cert-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.cert-ribbon {
  position: absolute;
  top: 14px; right: -20px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  padding: 3px 28px;
  transform: rotate(35deg);
  letter-spacing: 1px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* In Progress ribbon */
.cert-card:has(.cert-ribbon:contains("In Progress")) .cert-ribbon {
  background: linear-gradient(135deg, var(--accent-yellow), #f97316);
}

/* ============================================================
   CONTACT SECTION
============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-links { display: flex; flex-direction: column; gap: 16px; }

.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.contact-link:hover {
  border-color: var(--border-glow);
  transform: translateX(6px);
  box-shadow: var(--glow-cyan);
}

.contact-link-icon {
  width: 40px; height: 40px;
  background: rgba(0, 245, 212, 0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-link-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.contact-link-val {
  display: block;
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.form-terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

#contact-form { padding: 28px; }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.form-prompt { color: var(--accent-cyan); margin-right: 6px; }

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  background: rgba(0, 245, 212, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.08);
}

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

.form-error {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-red);
  margin-top: 6px;
  min-height: 1em;
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: var(--accent-red);
  background: rgba(239, 68, 68, 0.04);
}

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 28px;
  text-align: center;
}

.form-success.visible { display: flex; }
.form-success i { font-size: 2.5rem; color: var(--accent-green); }
.form-success p { font-family: var(--font-mono); color: var(--text-secondary); }

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-socials a:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

/* ── Back to Top ────────────────────────────────────────────── */
#back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: rgba(0, 245, 212, 0.12);
  border: 1px solid var(--accent-cyan);
  border-radius: 10px;
  color: var(--accent-cyan);
  font-size: 1rem;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
}

#back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

#back-to-top:hover {
  background: rgba(0, 245, 212, 0.22);
  box-shadow: var(--glow-cyan);
}

/* ============================================================
   RESPONSIVE — TABLET
============================================================ */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .hero-content { margin-left: auto; }
  .about-grid { grid-template-columns: 1fr; }
  .about-avatar-col { flex-direction: row; align-items: center; justify-content: center; }
  .skills-categories { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ============================================================
   RESPONSIVE — MOBILE
============================================================ */
@media (max-width: 768px) {
  .section { padding: 70px 0; }

  /* Nav */
  .hamburger { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--navbar-h); left: 0; right: 0;
    background: rgba(5, 11, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 999;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link { padding: 12px 20px; width: 100%; text-align: center; }

  /* Hero */
  .hero { padding: calc(var(--navbar-h) + 20px) 24px 40px; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-stats { justify-content: center; gap: 16px; }

  /* About */
  .about-avatar-col { flex-direction: column; }
  .info-grid { grid-template-columns: 1fr; }

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

  /* Timeline */
  .timeline::before { left: 20px; }
  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 56px;
    padding-right: 0;
  }
  .timeline-icon { left: 0; transform: none; }

  /* Certs */
  .certs-grid { grid-template-columns: 1fr; }

  /* Lang grid */
  .lang-grid { grid-template-columns: repeat(2, 1fr); }

  /* Soft skills */
  .soft-skills-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 1.9rem; }
  .section-title { font-size: 1.6rem; }
  .contact-link { flex-direction: column; text-align: center; }
}