/* ============================================
   Waheed Javaid Portfolio — Dark Minimalist Theme
   Font: Syne + DM Sans (Cera CY alternative)
   ============================================ */

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

:root {
  --bg-primary: #0d0d0d;
  --bg-secondary: #121212;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;
  --accent: #ffffff;
  --border: rgba(255, 255, 255, 0.08);
  --font-display: 'Outfit', 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --header-height: 80px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 80px);
  height: var(--header-height);
  background: linear-gradient(to bottom, var(--bg-primary) 60%, transparent);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: var(--text-primary);
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.7;
}

.nav {
  display: flex;
  gap: clamp(24px, 4vw, 48px);
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--text-primary);
  transition: width var(--transition);
}

.nav a:hover {
  color: var(--text-primary);
}

.nav a:hover::after {
  width: 100%;
}

/* ---- Social Sidebar ---- */
.social-sidebar {
  position: fixed;
  left: clamp(24px, 4vw, 60px);
  bottom: clamp(40px, 8vh, 80px);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.social-sidebar a {
  color: var(--text-muted);
  transition: color var(--transition), transform var(--transition);
}

.social-sidebar a:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
}

.social-sidebar svg {
  width: 16px;
  height: 16px;
}

/* ---- Scroll Indicator ---- */
.scroll-indicator {
  position: fixed;
  right: clamp(24px, 4vw, 60px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--text-primary);
  animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
}

@keyframes scrollPulse {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

/* ---- Sections ---- */
.section {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--header-height) clamp(24px, 5vw, 80px) 80px;
}

.section-number {
  position: absolute;
  top: calc(var(--header-height) + 20px);
  left: clamp(24px, 5vw, 80px);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ---- Hero ---- */
.hero {
  background: radial-gradient(ellipse at 50% 45%, #1f1f26 0%, var(--bg-primary) 70%);
}

.hero-content {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  margin-bottom: 24px;
  animation: fadeUp 1s ease forwards;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 0.95;
  color: var(--text-primary);
  animation: fadeUp 1s ease 0.1s forwards;
  opacity: 0;
  text-transform: uppercase;
}

.title-highlight {
  background: linear-gradient(135deg, #ffffff 30%, #888888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 2vw, 1.25rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-top: 24px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  animation: fadeUp 1s ease 0.2s forwards;
  opacity: 0;
}

.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-top: 18px;
  animation: fadeUp 1s ease 0.3s forwards;
  opacity: 0;
}

.location-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
  animation: fadeUp 1s ease 0.4s forwards;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  border-radius: 4px;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

.btn-primary:hover {
  background: transparent;
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.12);
}

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

.btn-secondary:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- About ---- */
.about {
  background: var(--bg-secondary);
  align-items: flex-start;
  padding-top: calc(var(--header-height) + 60px);
}

.about-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(32px, 6vw, 80px);
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.about-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
  align-self: start;
}

.sidebar-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sidebar-list a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  word-break: break-all;
  transition: color var(--transition);
}

.sidebar-list a:hover {
  color: var(--text-primary);
}

.skill-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.sidebar-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.sidebar-text strong {
  color: var(--text-primary);
  font-weight: 500;
}

.sidebar-muted {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.about-name {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.about-headline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.about-location {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.about-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-summary {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 640px;
}

/* Sidebar Certifications & Education */
.sidebar-cert-list,
.sidebar-edu-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cert-item,
.edu-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cert-title {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.85rem;
}

/* Experience Section */
.experience-section {
  margin-top: 40px;
}

.experience-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 640px;
}

.experience-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-muted);
  border-radius: 4px;
  padding: 20px 24px;
  transition: all var(--transition);
}

.experience-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.2);
  border-left-color: var(--text-primary);
  transform: translateX(4px);
}

.experience-card.featured {
  border-left-color: var(--text-primary);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
}

.exp-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.exp-role {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  margin-bottom: 4px;
}

.exp-company {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.exp-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.exp-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-weight: 300;
}

.completed-badge {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.experience-card.completed {
  border-left-color: rgba(16, 185, 129, 0.5);
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.link-btn svg {
  width: 14px;
  height: 14px;
}

.link-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* ---- Projects ---- */
.projects {
  flex-direction: column;
  background: var(--bg-secondary);
  padding-bottom: 100px;
}

.projects-inner {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* Recent Projects Grid */
.recent-projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  width: 100%;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.recent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}

.recent-card:hover,
.recent-card.active {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.recent-card.active {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.recent-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.recent-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.recent-card:hover .recent-card-image img {
  transform: scale(1.03);
}

.recent-card-body {
  padding: 24px;
}

.recent-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.recent-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.recent-card-desc {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recent-card-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  transition: color var(--transition);
}

.recent-card-link:hover {
  color: var(--text-primary);
}

/* Carousel */
.carousel {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  position: relative;
}

.carousel-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  opacity: 0;
}

.carousel:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

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

.carousel-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex: 1;
  overflow: hidden;
  min-height: 320px;
}

.carousel-slide {
  transition: all var(--transition);
  flex-shrink: 0;
}

.carousel-slide .project-card {
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  transition: all var(--transition);
}

.carousel-slide .project-card.center {
  width: clamp(280px, 50vw, 560px);
  opacity: 1;
  transform: scale(1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.carousel-slide .project-card.side {
  width: clamp(120px, 20vw, 200px);
  opacity: 0.35;
  transform: scale(0.85);
  filter: brightness(0.5);
}

.carousel-slide .project-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
}

.project-tagline {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  font-style: italic;
}

.project-description {
  max-width: 480px;
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-weight: 300;
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-align: center;
  transition: opacity var(--transition);
}

.view-project {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--text-muted);
  padding-bottom: 4px;
  transition: all var(--transition);
}

.view-project:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

/* ---- Contact ---- */
.contact {
  background: var(--bg-primary);
  align-items: flex-start;
  padding-top: calc(var(--header-height) + 60px);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 8vw, 100px);
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.contact-item dd {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-item dd a {
  transition: color var(--transition);
}

.contact-item dd a:hover {
  color: var(--text-primary);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--text-secondary);
}

.btn-send {
  align-self: flex-start;
  margin-top: 8px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  padding: 14px 32px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-send:hover {
  background: var(--text-secondary);
  transform: translateY(-1px);
}

.btn-send:active {
  transform: translateY(0);
}

/* ---- Footer ---- */
.footer {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 24px;
  background: var(--bg-secondary);
  text-align: center;
}

.footer-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.footer-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 24px;
}

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

.footer-social a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-social a:hover {
  color: var(--text-primary);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

/* ---- Toast Notification ---- */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 14px 28px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 2px;
  z-index: 1000;
  transition: transform 0.4s ease;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .social-sidebar {
    flex-direction: row;
    left: 50%;
    transform: translateX(-50%);
    bottom: 24px;
  }

  .scroll-indicator {
    display: none;
  }

  .carousel-btn {
    opacity: 1;
    width: 32px;
    height: 32px;
  }

  .carousel-track {
    gap: 12px;
    min-height: 200px;
  }

  .carousel-slide .project-card.side {
    display: none;
  }

  .about-layout {
    grid-template-columns: 1fr;
  }

  .about-sidebar {
    position: static;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .section-number {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav {
    gap: 16px;
  }

  .nav a {
    font-size: 0.6rem;
  }

  .hero-title {
    font-size: clamp(3.5rem, 20vw, 6rem);
  }
}