/* ===================================================
   PA ALIEU DIBBA — PORTFOLIO  |  Premium Style Sheet
   =================================================== */

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

:root {
  --bg:        #070b14;
  --surface:   #0d1326;
  --surface-2: #131929;
  --surface-3: #1a2240;
  --border:    rgba(255,255,255,0.07);
  --primary:   #4f8ef7;
  --secondary: #00d4ff;
  --accent:    #7c3aed;
  --gold:      #f59e0b;
  --success:   #10b981;
  --text:      #e2e8f0;
  --muted:     #7a8899;
  --dim:       #3a4a5e;
  --grad:      linear-gradient(135deg, #4f8ef7 0%, #00d4ff 100%);
  --grad-2:    linear-gradient(135deg, #7c3aed 0%, #4f8ef7 100%);
  --shadow:    0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.65);
  --glow:      0 0 40px rgba(79,142,247,0.28);
  --glow-c:    0 0 40px rgba(0,212,255,0.22);
  --radius:    12px;
  --radius-lg: 20px;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --t:         0.35s;
}

[data-theme="light"] {
  --bg:        #f0f4ff;
  --surface:   #ffffff;
  --surface-2: #e8eeff;
  --surface-3: #dde4f8;
  --border:    rgba(30,42,74,0.09);
  --text:      #1e2a4a;
  --muted:     #5a6a8a;
  --dim:       #b0bcd4;
  --shadow:    0 4px 24px rgba(30,42,74,0.11);
  --shadow-lg: 0 12px 48px rgba(30,42,74,0.16);
  --glow:      0 0 40px rgba(79,142,247,0.14);
}

/* === BASE === */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  max-width: 100vw;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

h1,h2,h3,h4,h5 { font-family: 'Space Grotesk', 'Poppins', sans-serif; font-weight: 700; line-height: 1.25; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

::selection { background: rgba(79,142,247,0.35); color: #fff; }

/* === SCROLL PROGRESS === */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 9999;
  background: var(--grad); width: 0%; transition: width 0.1s linear;
}

/* === CUSTOM CURSOR === */
#cursor-ring {
  position: fixed; width: 36px; height: 36px;
  border: 2px solid var(--primary); border-radius: 50%;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: transform 0.12s var(--ease), opacity 0.3s, border-color 0.3s, width 0.2s, height 0.2s;
  opacity: 0;
}
#cursor-dot {
  position: fixed; width: 6px; height: 6px;
  background: var(--secondary); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: transform 0.05s;
}
body:hover #cursor-ring { opacity: 1; }
a:hover ~ #cursor-ring, button:hover ~ #cursor-ring { width: 50px; height: 50px; border-color: var(--secondary); }

/* === NAVBAR === */
#navbar {
  position: fixed; top: 3px; left: 0; right: 0; z-index: 1000;
  padding: 0;
  transition: all var(--t) var(--ease);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto;
  padding: 16px 32px;
  background: rgba(7,11,20,0.55);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: 8px;
  transition: all var(--t) var(--ease);
}
[data-theme="light"] .nav-inner {
  background: rgba(240,244,255,0.75);
}
#navbar.scrolled .nav-inner {
  padding: 10px 32px;
  box-shadow: var(--shadow);
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; white-space: nowrap;
}
.nav-links {
  display: flex; align-items: center; gap: 8px; list-style: none;
}
.nav-links a {
  font-size: 0.88rem; font-weight: 500; color: var(--muted);
  padding: 6px 14px; border-radius: 50px;
  transition: all var(--t) var(--ease);
  letter-spacing: 0.02em;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text); background: var(--surface-3);
}
.nav-controls { display: flex; align-items: center; gap: 8px; }

.btn-lang {
  font-size: 0.78rem; font-weight: 600; padding: 5px 11px;
  border: 1px solid var(--border); border-radius: 50px;
  background: transparent; color: var(--muted); cursor: pointer;
  transition: all var(--t);
}
.btn-lang.active, .btn-lang:hover {
  background: var(--primary); border-color: var(--primary); color: #ffffff;
}
.btn-theme {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); cursor: pointer; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t); flex-shrink: 0;
}
.btn-theme:hover { background: var(--surface-3); transform: rotate(20deg); }

.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 6px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all var(--t);
}

/* === HERO === */
#hero {
  min-height: 100vh; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  padding: 120px 24px 80px;
}
#particles-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.hero-glow-1 {
  position: absolute; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,142,247,0.12) 0%, transparent 70%);
  top: -100px; right: -100px; pointer-events: none; z-index: 0;
  animation: floatGlow 8s ease-in-out infinite;
}
.hero-glow-2 {
  position: absolute; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
  bottom: -100px; left: -100px; pointer-events: none; z-index: 0;
  animation: floatGlow 10s ease-in-out infinite reverse;
}
@keyframes floatGlow {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px,-30px) scale(1.1); }
}
.hero-content {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr auto; gap: 60px;
  align-items: center; max-width: 1100px; width: 100%;
}
.hero-text { max-width: 620px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--secondary);
  border: 1px solid rgba(0,212,255,0.25);
  background: rgba(0,212,255,0.07);
  padding: 6px 16px; border-radius: 50px; margin-bottom: 20px;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--secondary); animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.hero-name {
  font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 12px;
  background: var(--grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-role {
  font-size: clamp(1rem, 2.5vw, 1.4rem); color: var(--muted);
  margin-bottom: 24px; min-height: 2em;
}
.typed-cursor { color: var(--primary); animation: blink 0.8s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero-bio {
  font-size: 1rem; color: var(--muted); line-height: 1.8;
  max-width: 520px; margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 50px; font-weight: 600;
  font-size: 0.92rem; cursor: pointer; border: none;
  background: var(--grad); color: #ffffff;
  box-shadow: var(--glow); transition: all var(--t) var(--ease);
  text-decoration: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(79,142,247,0.45); color: #ffffff; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 50px; font-weight: 600;
  font-size: 0.92rem; cursor: pointer;
  border: 1px solid var(--border); background: transparent;
  color: var(--text); transition: all var(--t) var(--ease);
  text-decoration: none;
}
.btn-outline:hover {
  border-color: var(--primary); color: var(--primary);
  background: rgba(79,142,247,0.07); transform: translateY(-2px);
}
.hero-avatar-wrap {
  position: relative; flex-shrink: 0;
  width: 300px; height: 300px;
}
/* Spinning gradient ring lives here — never touches the image */
.hero-avatar-wrap::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #4f8ef7, #00d4ff, #7c3aed, #4f8ef7);
  animation: spinRing 5s linear infinite;
  z-index: 0;
  box-shadow: var(--glow);
}
@keyframes spinRing {
  to { transform: rotate(360deg); }
}
.hero-avatar-ring {
  width: 100%; height: 100%; border-radius: 50%;
  position: relative; z-index: 1;
  background: var(--bg);
  padding: 4px;
  flex-shrink: 0;
}
.hero-avatar-ring img {
  width: 100%; height: 100%; border-radius: 50%;
  object-fit: cover; object-position: center top;
  display: block;
}
.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%); z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: 0.75rem; color: var(--dim); animation: bounce 2s infinite;
}
.hero-scroll-hint::after {
  content: ''; width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--dim), transparent);
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* === SECTION SHARED === */
.section {
  padding: 100px 24px;
  max-width: 1200px; margin: 0 auto;
}
.section-full { padding: 100px 0; }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--primary); background: rgba(79,142,247,0.1);
  padding: 4px 14px; border-radius: 50px; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 16px;
}
.section-sub {
  font-size: 1.05rem; color: var(--muted); max-width: 560px;
  margin-bottom: 56px;
}
.section-divider {
  width: 60px; height: 3px; border-radius: 2px;
  background: var(--grad); margin-bottom: 20px;
}

/* === ABOUT === */
#about { background: var(--surface); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start;
}
.about-text p {
  font-size: 1.02rem; color: var(--muted); line-height: 1.85; margin-bottom: 18px;
}
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.about-tag {
  font-size: 0.8rem; font-weight: 600; padding: 5px 14px;
  border-radius: 50px; border: 1px solid var(--border);
  color: var(--muted); background: var(--surface-2);
  transition: all var(--t);
}
.about-tag:hover { border-color: var(--primary); color: var(--primary); }
.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.stat-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  text-align: center; transition: all var(--t) var(--ease);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad); opacity: 0;
  transition: opacity var(--t);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--glow); }
.stat-card:hover::before { opacity: 0.06; }
.stat-number {
  font-size: 2.4rem; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  display: block;
}
.stat-label { font-size: 0.82rem; color: var(--muted); font-weight: 500; margin-top: 4px; }

/* === TIMELINE (Education + Experience) === */
#timeline { background: var(--bg); }
.timeline-tabs {
  display: flex; gap: 4px; margin-bottom: 48px;
  background: var(--surface-2); border-radius: 50px;
  padding: 4px; width: fit-content;
}
.tab-btn {
  padding: 10px 24px; border-radius: 50px; border: none;
  background: transparent; color: var(--muted); cursor: pointer;
  font-weight: 600; font-size: 0.9rem; transition: all var(--t);
}
.tab-btn.active { background: var(--primary); color: #fff; }

.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 14px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
  border-radius: 2px;
}
.timeline-item {
  position: relative; margin-bottom: 40px;
  animation: slideInLeft 0.5s var(--ease) both;
}
.timeline-item::before {
  content: ''; position: absolute; left: -33px; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--grad); border: 3px solid var(--bg);
  box-shadow: var(--glow);
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.timeline-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: all var(--t) var(--ease);
}
.timeline-card:hover {
  border-color: rgba(79,142,247,0.3);
  box-shadow: var(--glow); transform: translateX(6px);
}
.timeline-meta {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap; margin-bottom: 12px;
}
.timeline-period {
  font-size: 0.78rem; font-weight: 600; color: var(--secondary);
  background: rgba(0,212,255,0.1); padding: 3px 12px; border-radius: 50px;
}
.timeline-company {
  font-size: 0.82rem; color: var(--muted);
}
.timeline-title {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 8px;
}
.timeline-details {
  font-size: 0.9rem; color: var(--muted); line-height: 1.75;
}
.timeline-details ul { list-style: none; padding: 0; }
.timeline-details li { padding-left: 18px; position: relative; margin-bottom: 6px; }
.timeline-details li::before {
  content: '▸'; position: absolute; left: 0; color: var(--primary);
  font-size: 0.75rem; top: 2px;
}

/* === SKILLS === */
#skills { background: var(--surface); }
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px;
}
.skill-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px 20px;
  transition: all var(--t) var(--ease);
}
.skill-card:hover {
  transform: translateY(-4px); border-color: rgba(79,142,247,0.3);
  box-shadow: var(--glow);
}
.skill-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px;
}
.skill-name { font-weight: 700; font-size: 0.95rem; }
.skill-pct {
  font-size: 0.8rem; font-weight: 700; color: var(--primary);
}
.skill-desc { font-size: 0.82rem; color: var(--muted); margin-bottom: 14px; line-height: 1.6; }
.skill-bar-track {
  height: 6px; background: var(--surface-3); border-radius: 10px; overflow: hidden;
}
.skill-bar-fill {
  height: 100%; width: 0%; border-radius: 10px;
  background: var(--grad); transition: width 1.2s var(--ease);
}

/* === PROJECTS === */
#projects { background: var(--bg); }
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 600;
  border: 1px solid var(--border); background: transparent;
  color: var(--muted); cursor: pointer; transition: all var(--t);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
  background: var(--grad); border-color: transparent; color: #ffffff;
}
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 24px;
}
.project-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--t) var(--ease);
  display: flex; flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: rgba(79,142,247,0.25);
}
.project-img-wrap {
  position: relative; overflow: hidden; aspect-ratio: 16/9;
}
.project-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.project-card:hover .project-img-wrap img { transform: scale(1.07); }
.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(7,11,20,0.85) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--t);
  display: flex; align-items: flex-end; padding: 20px;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.project-cat {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 8px;
}
.project-cat.cv    { color: var(--secondary); }
.project-cat.ml    { color: var(--primary); }
.project-cat.ds    { color: var(--gold); }
.project-cat.iot   { color: var(--success); }
.project-cat.web   { color: var(--accent); }
.project-title {
  font-size: 0.97rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4;
}
.project-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.65; flex: 1; }

/* === RESUME === */
#resume {
  background: var(--surface);
  text-align: center;
}
.resume-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 60px 40px;
  max-width: 600px; margin: 0 auto;
}
.resume-icon { font-size: 3rem; margin-bottom: 20px; }
.resume-title { font-size: 1.7rem; margin-bottom: 8px; }
.resume-sub { color: var(--muted); margin-bottom: 36px; }
.resume-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* === CONTACT === */
#contact { background: var(--bg); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.contact-info h3 { font-size: 1.5rem; margin-bottom: 12px; }
.contact-info p { color: var(--muted); margin-bottom: 32px; line-height: 1.8; }
.contact-social { display: flex; gap: 14px; flex-wrap: wrap; }
.social-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: var(--radius); font-weight: 600; font-size: 0.9rem;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); transition: all var(--t);
}
.social-btn:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--glow); }
.social-btn i { font-size: 1.2rem; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.83rem; font-weight: 600; color: var(--muted); }
.form-control {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 13px 16px;
  color: var(--text); font-size: 0.92rem; font-family: inherit;
  transition: all var(--t); resize: none;
}
.form-control::placeholder { color: var(--dim); }
.form-control:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,142,247,0.14);
  background: var(--surface-2);
}
.form-success {
  display: none; text-align: center; padding: 20px;
  background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius); color: var(--success); font-weight: 600;
}

/* === MAP === */
#map {
  height: 220px; border-radius: var(--radius-lg); overflow: hidden;
  margin-top: 32px; border: 1px solid var(--border);
}

/* === FOOTER === */
footer {
  text-align: center; padding: 32px 24px;
  background: var(--surface); border-top: 1px solid var(--border);
  font-size: 0.85rem; color: var(--muted);
}
footer a { color: var(--primary); }

/* === SCROLL TOP === */
#scroll-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--grad); color: #fff; border: none;
  font-size: 1.2rem; cursor: pointer; display: none;
  align-items: center; justify-content: center;
  box-shadow: var(--glow); transition: all var(--t);
}
#scroll-top:hover { transform: translateY(-3px); }

/* === ENTRANCE ANIMATIONS === */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left  { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal-right { opacity: 0; transform: translateX(30px);  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal-left.visible, .reveal-right.visible { opacity: 1; transform: translate(0); }

/* === MOBILE NAV === */
.mobile-nav {
  display: none; flex-direction: column; gap: 4px;
  background: rgba(7,11,20,0.97); backdrop-filter: blur(20px);
  border-radius: var(--radius-lg); padding: 12px; margin-top: 8px;
  border: 1px solid var(--border);
}
[data-theme="light"] .mobile-nav { background: rgba(240,244,255,0.97); }
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 11px 18px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9rem; color: var(--muted);
  transition: all var(--t);
}
.mobile-nav a:hover { background: var(--surface-3); color: var(--text); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-avatar-wrap { width: 220px; height: 220px; margin: 0 auto; order: -1; }
  .hero-avatar-ring { width: 100%; height: 100%; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .hamburger { display: flex; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .section { padding: 72px 20px; }
  .nav-inner { padding: 12px 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .resume-card { padding: 40px 24px; }
  .resume-btns { flex-direction: column; align-items: center; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}