/* ============================================================
    CSS CUSTOM PROPERTIES
    ============================================================ */
:root {
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.3s var(--ease);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --max-width: 1120px;
  --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --nav-height: 60px;
}

[data-theme="dark"] {
  --bg-primary: #0a0c10;
  --bg-secondary: #10131a;
  --bg-card: #151820;
  --bg-card-hover: #1a1e28;
  --bg-elevated: #1c2030;
  --text-primary: #e4e5ea;
  --text-secondary: #8e93a4;
  --text-muted: #555a6a;
  --accent: #4a7af7;
  --accent-hover: #6590ff;
  --accent-subtle: rgba(74, 122, 247, 0.08);
  --accent-border: rgba(74, 122, 247, 0.22);
  --border: #1c2030;
  --border-hover: #282d40;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 4px 14px rgba(0,0,0,0.25);
  --shadow-lg: 0 10px 36px rgba(0,0,0,0.35);
  --nav-bg: rgba(10, 12, 16, 0.85);
  --tag-bg: rgba(74, 122, 247, 0.1);
  --tag-text: #7ba3ff;
  --success: #34d399;
  --hero-glow: radial-gradient(600px circle at 70% 40%, rgba(74,122,247,0.06) 0%, transparent 70%);
  --timeline-line: #1c2030;
  --timeline-dot: #4a7af7;
  --code-bg: #181c28;
}

[data-theme="light"] {
  --bg-primary: #f5f6f9;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f1f5;
  --bg-elevated: #eaecf2;
  --text-primary: #111318;
  --text-secondary: #555a68;
  --text-muted: #888d9b;
  --accent: #3a64d8;
  --accent-hover: #2a50b8;
  --accent-subtle: rgba(58, 100, 216, 0.06);
  --accent-border: rgba(58, 100, 216, 0.18);
  --border: #e0e2ea;
  --border-hover: #cdd0d9;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 14px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 36px rgba(0,0,0,0.08);
  --nav-bg: rgba(245, 246, 249, 0.88);
  --tag-bg: rgba(58, 100, 216, 0.06);
  --tag-text: #3a64d8;
  --success: #059669;
  --hero-glow: radial-gradient(600px circle at 70% 40%, rgba(58,100,216,0.04) 0%, transparent 70%);
  --timeline-line: #e0e2ea;
  --timeline-dot: #3a64d8;
  --code-bg: #eef0f5;
}

/* ============================================================
    RESET & BASE
    ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 20px); }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ============================================================
    ACCESSIBILITY
    ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 10px; }
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ============================================================
    LAYOUT UTILITIES
    ============================================================ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-alt { background: var(--bg-secondary); }

.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.section-title {
  font-size: clamp(1.65rem, 3.5vw, 2.15rem);
  font-weight: 700;
  line-height: 1.25;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: 8px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
    NAVIGATION
    ============================================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border var(--transition);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); background: var(--accent-subtle); }
.nav-actions { display: flex; align-items: center; gap: 8px; }

.theme-toggle {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  transition: all var(--transition);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent-border); }

.hamburger {
  display: none;
  background: none; border: none;
  padding: 6px;
  flex-direction: column; gap: 5px;
}
.hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0; bottom: 0;
  background: var(--bg-primary);
  z-index: 999;
  padding: 12px 24px;
  flex-direction: column; gap: 2px;
  overflow-y: auto;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
  color: var(--text-primary);
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: background var(--transition);
}
.mobile-menu a:hover { background: var(--bg-card); }

/* ============================================================
    HERO
    ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-glow);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-border);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero-name {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 6px;
}
.hero-name .accent {
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}
.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 28px;
}
.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent-border); transform: translateY(-1px); }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-avatar-frame {
  width: 320px; height: 320px;
  border-radius: 24px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.hero-avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 22px;
}
.hero-avatar-placeholder {
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 2px;
}
.hero-float-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.78rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-float-card.top-right { top: -16px; right: -30px; }
.hero-float-card.bottom-left { bottom: -16px; left: -30px; }
.float-icon { font-size: 1.1rem; }

/* ============================================================
    ABOUT
    ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.about-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 14px;
}
.about-text p:last-child { margin-bottom: 0; }
.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.about-highlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--transition);
}
.about-highlight-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.about-highlight-card .icon { font-size: 1.4rem; margin-bottom: 10px; }
.about-highlight-card h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.about-highlight-card p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* ============================================================
    SKILLS
    ============================================================ */
.skills-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}
.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--accent-border); color: var(--text-primary); }
.filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 14px;
}
.skill-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 8px;
  text-align: center;
  transition: all var(--transition);
}
.skill-item:hover {
  border-color: var(--accent-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.skill-item.hidden { display: none; }
.skill-icon { font-size: 1.8rem; margin-bottom: 8px; }
.skill-icon .img { width: 80%; margin: 0 auto; } 
.skill-name { font-size: 0.72rem; font-weight: 500; color: var(--text-secondary); }

/* ============================================================
    PROJECTS
    ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.project-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.project-thumb {
  height: 180px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  position: relative;
  overflow: hidden;
}
.project-thumb-gradient {
  position: absolute;
  inset: 0;
  opacity: 0.15;
}
.project-body { padding: 20px; }
.project-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.project-title a {
  color: var(--accent);
  font-size: 0.85rem;
  transition: color var(--transition);
}
.project-title a:hover { color: var(--accent-hover); }
.project-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tag {
  background: var(--tag-bg);
  color: var(--tag-text);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 500;
}

/* ============================================================
    EXPERIENCE
    ============================================================ */
.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--timeline-line);
}
.timeline-item {
  position: relative;
  padding-left: 36px;
  padding-bottom: 40px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -5px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--timeline-dot);
  border: 2px solid var(--bg-primary);
}
.timeline-header { margin-bottom: 10px; }
.timeline-role {
  font-size: 1rem;
  font-weight: 600;
}
.timeline-company {
  font-size: 0.88rem;
  color: var(--accent);
  font-weight: 500;
}
.timeline-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.timeline-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.timeline-body ul { list-style: none; }
.timeline-body li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.timeline-body li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ============================================================
    CERTIFICATIONS
    ============================================================ */
.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);
overflow: hidden;
text-align: center;
transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

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

.cert-img-wrap {
width: 100%;
overflow: hidden;
border-bottom: 1px solid var(--border);
background: var(--bg-secondary);
}

.cert-img-wrap img {
width: 100%;
height: 220px;
object-fit: inherit;
display: block;
transition: transform 0.4s var(--ease);
}

.cert-card:hover .cert-img-wrap img {
transform: scale(1.03);
}

.cert-name {
font-weight: 700;
font-size: 1rem;
color: var(--text-primary);
padding: 16px 16px 4px;
}

.cert-issuer {
font-size: 0.85rem;
color: var(--text-secondary);
padding: 0 16px 16px;
}
/* ============================================================
    ACHIEVEMENTS
    ============================================================ */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
}
.achievement-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.achievement-icon { font-size: 1.8rem; margin-bottom: 12px; }
.achievement-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.achievement-org { font-size: 0.78rem; color: var(--accent); margin-bottom: 8px; }
.achievement-desc { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
    TESTIMONIALS
    ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.testimonial-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow);
}
.testimonial-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  flex-shrink: 0;
}
.testimonial-name { font-size: 0.88rem; font-weight: 600; }
.testimonial-role { font-size: 0.75rem; color: var(--text-muted); }
.testimonial-relation {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-style: italic;
}
.testimonial-text {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.7;
  position: relative;
}
.testimonial-text::before {
  content: '"';
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.3;
  position: absolute;
  top: -14px;
  left: -4px;
  font-family: Georgia, serif;
}
.testimonial-text p { padding-left: 14px; }
.testimonial-toggle {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 0;
  margin-top: 6px;
  margin-left: 14px;
  cursor: pointer;
}
.testimonial-toggle:hover { text-decoration: underline; }

/* ============================================================
    CONTACT
    ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}
.contact-methods { display: flex; flex-direction: column; gap: 14px; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: all var(--transition);
}
.contact-card:hover {
  border-color: var(--accent-border);
  transform: translateX(4px);
}
.contact-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-card-label { font-size: 0.75rem; color: var(--text-muted); }
.contact-card-value { font-size: 0.88rem; font-weight: 500; }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.contact-form h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  transition: border var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  outline: none;
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ============================================================
    FOOTER
    ============================================================ */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }
.footer-copy a { color: var(--accent); }
.footer-links { display: flex; gap: 16px; }
.footer-links a {
  color: var(--text-muted);
  font-size: 0.82rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

/* ============================================================
    RESPONSIVE
    ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 36px; }
  .hero-visual { order: -1; }
  .hero-badge { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-ctas { justify-content: center; }
  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section { padding: 64px 0; }
  .hero-avatar-frame { width: 240px; height: 240px; }
  .projects-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { justify-content: center; text-align: center; }
  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(85px, 1fr)); gap: 10px; }
}
@media (max-width: 600px) {
  .certs-grid {
    grid-template-columns: 1fr;
   }

  .cert-img-wrap img {
    height: 180px;
  }
}
@media (max-width: 480px) {
  .hero-stats { gap: 20px; }
  .hero-avatar-frame { width: 200px; height: 200px; }
  .hero-float-card { display: none; }
}