/* ─────────────────────────────────────────────
   DESIGN TOKENS
───────────────────────────────────────────── */
:root {
  /* Colors */
  --clr-bg:         #050811;
  --clr-bg-2:       #0a0f1e;
  --clr-bg-card:    rgba(255,255,255,0.03);
  --clr-border:     rgba(255,255,255,0.08);
  --clr-border-h:   rgba(139,92,246,0.4);

  --clr-primary:    #8b5cf6;   /* violet */
  --clr-secondary:  #06b6d4;   /* cyan   */
  --clr-accent:     #f59e0b;   /* amber  */
  --clr-success:    #10b981;

  --clr-text:       #e2e8f0;
  --clr-muted:      #94a3b8;
  --clr-faint:      #475569;

  /* Gradients */
  --grad-primary:   linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --grad-hero:      radial-gradient(ellipse 80% 60% at 50% 0%, rgba(139,92,246,.3) 0%, transparent 70%);
  --grad-card:      linear-gradient(135deg, rgba(139,92,246,.08), rgba(6,182,212,.05));

  /* Typography */
  --font-sans:  'Outfit', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', monospace;

  /* Spacing & Radii */
  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;

  /* Transitions */
  --t-fast:     0.15s ease;
  --t-base:     0.3s ease;
  --t-slow:     0.6s ease;
}

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

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

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

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

/* Particle canvas */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

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

.section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

/* ─────────────────────────────────────────────
   NAVBAR
───────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--t-base), backdrop-filter var(--t-base), box-shadow var(--t-base);
}

.navbar.scrolled {
  background: rgba(5,8,17,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-right: auto;
}

.logo-bracket {
  opacity: 0.7;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--t-fast), background var(--t-fast);
}

.nav-link:hover {
  color: var(--clr-text);
  background: rgba(255,255,255,0.05);
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--t-base);
}

/* ─────────────────────────────────────────────
   BUTTONS
───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--t-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 0 24px rgba(139,92,246,.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139,92,246,.5);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(139,92,246,.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 1.5px solid var(--clr-primary);
}

.btn-outline:hover {
  background: rgba(139,92,246,0.1);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ─────────────────────────────────────────────
   GRADIENT TEXT
───────────────────────────────────────────── */
.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─────────────────────────────────────────────
   SECTION HEADERS
───────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(139,92,246,0.12);
  color: var(--clr-primary);
  border: 1px solid rgba(139,92,246,0.25);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--clr-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ─────────────────────────────────────────────
   HERO
───────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
}

.hero::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 100vh;
  background: var(--grad-hero);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  flex: 1;
  max-width: 640px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 100px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-success);
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease forwards;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-success);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 8px;
  animation: fadeInUp 0.6s 0.1s ease both;
}

.hero-role-display {
  display: inline-block;
  font-size: clamp(1.4rem, 3.2vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #c084fc 0%, #38bdf8 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s 0.15s ease both;
}

.typewriter-wrap {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-family: var(--font-mono);
  color: var(--clr-secondary);
  margin-bottom: 24px;
  min-height: 2em;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.typewriter-prefix {
  color: var(--clr-muted);
}

.cursor {
  animation: blink 1s step-end infinite;
  color: var(--clr-primary);
}

@keyframes blink { 50% { opacity: 0; } }

.hero-sub {
  font-size: 1.1rem;
  color: var(--clr-muted);
  margin-bottom: 36px;
  max-width: 520px;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
  animation: fadeInUp 0.6s 0.4s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: fadeInUp 0.6s 0.5s ease both;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--clr-border);
}

/* ─────────────────────────────────────────────
   HERO VISUAL / AVATAR
───────────────────────────────────────────── */
.hero-visual {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
  animation: fadeInRight 0.8s 0.3s ease both;
}

.avatar-wrapper {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-glow {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,.4) 0%, transparent 70%);
  animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.08); }
}

.avatar {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(139,92,246,.5);
  position: relative;
  z-index: 2;
  box-shadow: 0 0 60px rgba(139,92,246,.3);
}

.avatar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid transparent;
  animation: spin-ring linear infinite;
}

.ring-1 {
  width: 300px; height: 300px;
  border-color: rgba(139,92,246,.2);
  border-top-color: rgba(139,92,246,.8);
  animation-duration: 8s;
}

.ring-2 {
  width: 340px; height: 340px;
  border-color: rgba(6,182,212,.15);
  border-bottom-color: rgba(6,182,212,.6);
  animation-duration: 14s;
  animation-direction: reverse;
}

@keyframes spin-ring { to { transform: rotate(360deg); } }

.floating-badge {
  position: absolute;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  border: 1px solid var(--clr-border);
  background: rgba(5,8,17,0.8);
  white-space: nowrap;
  animation: float-badge 3s ease-in-out infinite;
  z-index: 3;
}

.badge-python { top: 10%; right: -10px; animation-delay: 0s; }
.badge-ai     { bottom: 20%; left: -20px; animation-delay: 1s; }
.badge-rag    { top: 60%; right: -30px; animation-delay: 2s; }

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

/* ─────────────────────────────────────────────
   ABOUT
───────────────────────────────────────────── */
.about-section {
  background: linear-gradient(180deg, var(--clr-bg) 0%, var(--clr-bg-2) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p {
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-text p strong { color: var(--clr-text); }

.about-links { margin-top: 32px; }

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--t-base), transform var(--t-fast);
  backdrop-filter: blur(10px);
}

.info-card:hover {
  border-color: var(--clr-border-h);
  transform: translateX(6px);
}

.info-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.info-card > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-faint);
  font-weight: 600;
}

.info-value {
  font-size: 0.95rem;
  color: var(--clr-text);
  font-weight: 500;
}

.info-value.available {
  color: var(--clr-success);
}

/* ─────────────────────────────────────────────
   SKILLS
───────────────────────────────────────────── */
.skills-section {
  background: var(--clr-bg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.skill-category {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--t-base), transform var(--t-fast);
  backdrop-filter: blur(10px);
}

.skill-category:hover {
  border-color: var(--clr-border-h);
  transform: translateY(-4px);
}

.skill-cat-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--clr-text);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--t-fast);
  cursor: default;
}

.skill-tag.primary {
  background: rgba(139,92,246,0.12);
  color: #c4b5fd;
  border: 1px solid rgba(139,92,246,0.2);
}

.skill-tag.primary:hover {
  background: rgba(139,92,246,0.22);
  border-color: rgba(139,92,246,0.4);
  transform: translateY(-2px);
}

.skill-tag.secondary {
  background: rgba(6,182,212,0.1);
  color: #67e8f9;
  border: 1px solid rgba(6,182,212,0.2);
}

.skill-tag.secondary:hover {
  background: rgba(6,182,212,0.2);
  transform: translateY(-2px);
}

.skill-tag.tertiary {
  background: rgba(245,158,11,0.1);
  color: #fcd34d;
  border: 1px solid rgba(245,158,11,0.2);
}

.skill-tag.tertiary:hover {
  background: rgba(245,158,11,0.2);
  transform: translateY(-2px);
}

/* ─────────────────────────────────────────────
   PROJECTS
───────────────────────────────────────────── */
.projects-section {
  background: var(--clr-bg-2);
}

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

.project-card {
  position: relative;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--t-base);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity var(--t-base);
}

.project-card:hover {
  border-color: var(--clr-border-h);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(139,92,246,.15);
}

.project-card:hover::before { opacity: 1; }

.project-card.featured {
  grid-column: span 2;
  border-color: rgba(139,92,246,.25);
  background: linear-gradient(135deg, rgba(139,92,246,.08), rgba(6,182,212,.05));
}

.project-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.project-icon {
  font-size: 2rem;
}

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

.project-badge {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-stars {
  background: rgba(245,158,11,0.12);
  color: #fbbf24;
  border: 1px solid rgba(245,158,11,0.2);
}

.badge-forks {
  background: rgba(6,182,212,0.1);
  color: #67e8f9;
  border: 1px solid rgba(6,182,212,0.2);
}

.badge-featured {
  background: rgba(139,92,246,0.15);
  color: #c4b5fd;
  border: 1px solid rgba(139,92,246,0.3);
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-text);
  position: relative;
}

.project-desc {
  font-size: 0.92rem;
  color: var(--clr-muted);
  line-height: 1.7;
  flex: 1;
  position: relative;
}

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

.tech-chip {
  padding: 4px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--clr-muted);
  transition: all var(--t-fast);
}

.project-card:hover .tech-chip {
  border-color: rgba(139,92,246,.2);
  color: var(--clr-text);
}

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

/* CTA card */
.cta-card {
  background: linear-gradient(135deg, rgba(139,92,246,.12), rgba(6,182,212,.08));
  border-color: rgba(139,92,246,.2);
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cta-emoji {
  font-size: 2.5rem;
}

.cta-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.cta-content p {
  color: var(--clr-muted);
  font-size: 0.9rem;
}

/* ─────────────────────────────────────────────
   CONTACT
───────────────────────────────────────────── */
.contact-section {
  background: var(--clr-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: all var(--t-base);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.contact-card:hover {
  border-color: var(--clr-border-h);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(139,92,246,.15);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
}

.contact-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(139,92,246,.12);
  border: 1px solid rgba(139,92,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary);
  flex-shrink: 0;
  transition: all var(--t-fast);
}

.contact-icon-wrap.linkedin-icon {
  background: rgba(0,119,181,.12);
  border-color: rgba(0,119,181,.2);
  color: #0ea5e9;
}

.contact-icon-wrap.twitter-icon {
  background: rgba(29,161,242,.1);
  border-color: rgba(29,161,242,.2);
  color: #38bdf8;
}

.contact-card:hover .contact-icon-wrap {
  background: rgba(139,92,246,.2);
  transform: scale(1.05);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--clr-faint);
  font-weight: 600;
}

.contact-value {
  font-size: 0.95rem;
  color: var(--clr-text);
  font-weight: 500;
  word-break: break-all;
}

/* ─────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--clr-border);
  padding: 32px 0;
  background: var(--clr-bg);
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--clr-faint);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--clr-muted);
  transition: color var(--t-fast);
}

.footer-links a:hover {
  color: var(--clr-primary);
}

/* ─────────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─────────────────────────────────────────────
   SCROLLBAR
───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb {
  background: rgba(139,92,246,.4);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--clr-primary);
}

/* ─────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 140px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

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

  .project-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }

  .hamburger { display: flex; }

  .hero { padding: 120px 24px 60px; }

  .avatar-wrapper { width: 240px; height: 240px; }
  .avatar { width: 180px; height: 180px; }
  .ring-1 { width: 220px; height: 220px; }
  .ring-2 { width: 250px; height: 250px; }

  .floating-badge { display: none; }

  .section { padding: 72px 0; }

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

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

  .project-card.featured {
    grid-column: span 1;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}


/* ─────────────────────────────────────────────
   TIMELINE (EXPERIENCE & EDUCATION)
───────────────────────────────────────────── */
.timeline-section {
  position: relative;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--clr-primary), var(--clr-secondary), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--clr-bg);
  border: 3px solid var(--clr-primary);
  box-shadow: 0 0 12px var(--clr-primary-glow);
  transition: all var(--t-fast);
}

.timeline-item:hover .timeline-dot {
  background: var(--clr-primary);
  transform: scale(1.2);
}

.timeline-content {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  backdrop-filter: blur(10px);
  transition: all var(--t-base);
}

.timeline-content:hover {
  border-color: var(--clr-border-h);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

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

.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-text);
}

.timeline-company {
  color: var(--clr-primary);
  font-weight: 600;
}

.timeline-period {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  background: rgba(139,92,246,0.12);
  color: #c4b5fd;
  border: 1px solid rgba(139,92,246,0.25);
  padding: 4px 12px;
  border-radius: 100px;
}

.timeline-location {
  font-size: 0.85rem;
  color: var(--clr-subtle);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.subproject-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-top: 14px;
}

.subproject-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.6;
  margin-bottom: 6px;
}

.timeline-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-size: 1rem;
}

.timeline-bullets li strong {
  color: var(--clr-text);
}

/* ─────────────────────────────────────────────
   RESEARCH & CERTS
───────────────────────────────────────────── */
.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.cv-cta-banner {
  margin-top: 48px;
  text-align: center;
  padding: 36px 24px;
  background: linear-gradient(135deg, rgba(139,92,246,0.1), rgba(6,182,212,0.1));
  border: 1px solid rgba(139,92,246,0.3);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
}

.cv-cta-banner h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--clr-text);
}

.cv-cta-banner p {
  color: var(--clr-muted);
  max-width: 500px;
  margin: 0 auto 20px auto;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
  }
}