/* ============================================================
   VARIABLES & RESET
   ============================================================ */
:root {
  --bg-primary:   #0a0e1a;
  --bg-secondary: #0f1629;
  --bg-card:      rgba(255, 255, 255, 0.04);
  --bg-card-hover:rgba(255, 255, 255, 0.08);
  --border:       rgba(255, 255, 255, 0.08);
  --border-accent:rgba(0, 212, 255, 0.3);

  --accent:       #00d4ff;
  --accent-dim:   rgba(0, 212, 255, 0.15);
  --accent-glow:  rgba(0, 212, 255, 0.25);
  --purple:       #7b2fff;

  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #4a5568;

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;

  --radius:    12px;
  --radius-sm: 6px;
  --shadow:    0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-accent: 0 0 30px rgba(0, 212, 255, 0.15);

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

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

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

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

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

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}
.nav-logo:hover { color: var(--accent); }
.logo-bracket { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active { color: var(--accent); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 25px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 2rem 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.glow-1 {
  width: 500px; height: 500px;
  top: -100px; left: -100px;
  background: radial-gradient(circle, rgba(0,212,255,0.4) 0%, transparent 70%);
  animation: floatGlow 8s ease-in-out infinite;
}
.glow-2 {
  width: 400px; height: 400px;
  bottom: -80px; right: -80px;
  background: radial-gradient(circle, rgba(123,47,255,0.4) 0%, transparent 70%);
  animation: floatGlow 10s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-wrapper {
  max-width: 1100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "text image";
  column-gap: 6rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  grid-area: text;
  min-width: 0;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 1rem;
  animation-delay: 0.1s;
}

.hero-name {
  font-size: clamp(1.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.2rem;
  animation-delay: 0.2s;
}
.hero-name--mobile { display: none; }

.hero-title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  animation-delay: 0.3s;
}

.title-prefix { color: var(--text-muted); }

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

.cursor {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s step-end infinite;
  font-weight: 300;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 2.5rem;
  animation-delay: 0.4s;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  animation-delay: 0.5s;
}

.hero-socials {
  display: flex;
  gap: 1.2rem;
  animation-delay: 0.6s;
}

.social-link {
  width: 42px; height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition);
}
.social-link svg { width: 18px; height: 18px; }
.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

/* ---- Hero image ---- */
.hero-image {
  grid-area: image;
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  animation-delay: 0.5s;
}

.hero-img-frame {
  position: relative;
  width: 270px;
  height: 270px;
}

.hero-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(0, 212, 255, 0.5);
  box-shadow:
    0 0 0 10px rgba(0, 212, 255, 0.06),
    0 0 50px rgba(0, 212, 255, 0.28),
    0 0 90px rgba(0, 212, 255, 0.10);
  display: block;
  position: relative;
  z-index: 1;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-img-frame:hover img {
  transform: scale(1.05);
  box-shadow:
    0 0 0 12px rgba(0, 212, 255, 0.10),
    0 0 70px rgba(0, 212, 255, 0.45),
    0 0 120px rgba(0, 212, 255, 0.18);
}

/* Decorative rotating rings */
.hero-img-frame::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px dashed rgba(0, 212, 255, 0.22);
  animation: spinRing 18s linear infinite;
  pointer-events: none;
}

.hero-img-frame::after {
  content: '';
  position: absolute;
  inset: -24px;
  border-radius: 50%;
  border: 1px dashed rgba(123, 47, 255, 0.20);
  animation: spinRing 28s linear infinite reverse;
  pointer-events: none;
}

@keyframes spinRing {
  to { transform: rotate(360deg); }
}


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  box-shadow: var(--shadow-accent);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent-dim);
  box-shadow: var(--shadow-accent);
}

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

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--bg-secondary); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 1.02rem;
}
.about-text strong { color: var(--text-primary); }

.about-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.available { color: #4ade80; }

/* Terminal card */
.about-card {
  animation-delay: 0.2s;
}

.card-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.card-inner:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow), var(--shadow-accent);
}

.about-card .card-inner {
  background: #0d1117;
  border-color: rgba(0, 212, 255, 0.25);
}
.about-card .card-inner:hover {
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: var(--shadow), 0 0 28px rgba(0, 212, 255, 0.08);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: #161b22;
  border-bottom: 1px solid rgba(0, 212, 255, 0.18);
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: #0d1117;
  display: flex;
  flex-direction: column;
  height: 280px;
}

.prompt { color: #28c840; margin-right: 0.5rem; }

/* ---- Chatbot terminal ---- */
.term-output {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.25rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.term-output::-webkit-scrollbar { width: 4px; }
.term-output::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.term-input-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.25rem;
  border-top: 1px solid rgba(0, 212, 255, 0.18);
  flex-shrink: 0;
}

.term-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  caret-color: var(--accent);
  min-width: 0;
}
.term-input::placeholder { color: #2d3748; }

/* History lines */
.term-line { line-height: 1.7; font-size: 0.85rem; }
.term-spacer { height: 0.4rem; }

/* User message */
.term-user-line { color: var(--text-primary); padding-left: 0; }
.term-you {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: .05rem .45rem;
  border-radius: 4px;
  margin-right: .45rem;
}

/* Bot message */
.term-bot-line { color: var(--accent); padding-left: 1.1rem; }

/* Typing dots */
.term-typing-dots {
  display: flex;
  align-items: center;
  gap: 5px;
  padding-left: 1.1rem;
  height: 1.6rem;
}
.tdot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  opacity: .5;
  animation: dotBounce 1.1s ease-in-out infinite;
}
.tdot:nth-child(2) { animation-delay: .18s; }
.tdot:nth-child(3) { animation-delay: .36s; }
@keyframes dotBounce {
  0%, 60%, 100% { transform: translateY(0);    opacity: .4; }
  30%           { transform: translateY(-6px); opacity: 1;  }
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 620px;
  line-height: 1.7;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-accent);
}

.category-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cat-icon { font-size: 1.1rem; }

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  white-space: nowrap;
  cursor: default;
  transition: var(--transition);
}
.skill-tag:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-dim);
  transform: scale(1.06);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.18);
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects { background: var(--bg-secondary); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.card-overlay {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  z-index: 0;
}
.project-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow), var(--shadow-accent);
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.project-icon { font-size: 2rem; display: flex; align-items: center; }
.project-icon img { width: 2rem; height: 2rem; object-fit: contain; }

.project-links {
  display: flex;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}
.project-links a {
  color: var(--text-secondary);
  transition: color var(--transition);
}
.project-links a:hover { color: var(--accent); }
.project-links svg { width: 20px; height: 20px; }

.project-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
}

.projects-cta { text-align: center; }

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certifications { background: var(--bg-secondary); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  transition: var(--transition);
}
.cert-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow), var(--shadow-accent);
}

.cert-badge {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 8px;
}

.cert-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 0.2rem 0.75rem;
  border-radius: 100px;
}

.cert-card .btn {
  margin-top: auto;
  font-size: 0.85rem;
  padding: 0.55rem 1.25rem;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-intro {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.contact-item:hover {
  border-color: var(--border-accent);
  transform: translateX(6px);
  background: var(--bg-card-hover);
}

.contact-icon {
  width: 40px; height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
}
.contact-icon svg { width: 18px; height: 18px; }

.contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.contact-value {
  font-size: 0.88rem;
  color: var(--text-primary);
  word-break: break-all;
}

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
  animation-delay: 0.2s;
}

.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.btn-full svg { width: 18px; height: 18px; }

.form-note {
  text-align: center;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  min-height: 1.2em;
  color: var(--text-secondary);
}
.form-note.success { color: #4ade80; }
.form-note.error   { color: #f87171; }

/* ============================================================
   CAROUSEL DOTS
   ============================================================ */
.carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 0 0.75rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: var(--transition);
}
.carousel-dot:hover:not(.active) {
  background: var(--text-muted);
}
.carousel-dot.active {
  width: 22px;
  height: 8px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.45);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  text-align: center;
}
.footer p { font-size: 0.9rem; color: var(--text-secondary); }
.footer-sub { font-size: 0.78rem; margin-top: 0.3rem; color: var(--text-muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid    { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }

  /* Nav */
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 260px;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    border-left: 1px solid var(--border);
    z-index: 999;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.1rem; }
  .nav-toggle { display: flex; z-index: 1000; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  /* Hero */
  .hero-wrapper      { display: flex; flex-direction: column; gap: 0.75rem; }
  .hero-name--mobile { display: block; text-align: center; }
  .hero-name--desktop { display: none; }
  .hero-content      { text-align: center; }
  .hero-title      { text-align: left; font-size: 0.9rem; white-space: nowrap; }
  .hero-actions    { flex-direction: column; align-items: center; }
  .hero-socials    { justify-content: center; }
  .hero-bio        { max-width: 100%; }
  .hero-img-frame  { width: 190px; height: 190px; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }

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

  /* Projects — horizontal carousel */
  .projects .container {
    padding: 0;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
  }
  .projects .section-header {
    padding: 0 1rem;
  }
  .projects-cta {
    padding: 0 1rem;
  }
  .projects-grid {
    list-style: none;
    counter-reset: none;
    display: flex;
    grid-template-columns: unset;
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
    scroll-padding-left: 1rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 1rem;
    padding: 0 1rem 0.5rem;
    margin-bottom: 0;
    width: 100%;
    box-sizing: border-box;
  }
  .projects-grid::-webkit-scrollbar { display: none; }
  .project-card {
    min-width: calc(100vw - 2rem);
    width: calc(100vw - 2rem);
    flex-shrink: 0;
    scroll-snap-align: start;
    box-sizing: border-box;
    margin: 0;
  }
  .projects-cta { margin-top: 0.5rem; }

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

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 480px) {
  .container      { padding: 0 1.25rem; }
  .hero-img-frame { width: 170px; height: 170px; }
  .contact-form   { padding: 1.5rem; }
  .certs-grid     { grid-template-columns: 1fr; }
}