/* ==========================================
   CUSTOM PROPERTIES / DESIGN TOKENS
   ========================================== */
:root {
  /* Colors – Light */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-dark: #4f46e5;
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  --gradient-text: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --nav-bg: rgba(255, 255, 255, 0.85);
  --card-hover-bg: #f8fafc;
  --skill-bar-bg: #e2e8f0;
  --timeline-line: #e2e8f0;
  --input-bg: #f1f5f9;

  /* Sizing */
  --nav-height: 70px;
  --container-max: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
}

/* Dark theme */
[data-theme="dark"] {
  --bg-primary: #0b0f1a;
  --bg-secondary: #111827;
  --bg-card: #1a1f35;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e293b;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.2);
  --nav-bg: rgba(11, 15, 26, 0.9);
  --card-hover-bg: #1e2640;
  --skill-bar-bg: #1e293b;
  --timeline-line: #1e293b;
  --input-bg: #1e293b;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background 0.4s ease, color 0.3s ease;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================
   CURSOR GLOW (desktop only)
   ========================================== */
.cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .cursor-glow { display: block; }
}

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

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  transition: color 0.3s;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  transition: transform 0.3s, box-shadow 0.3s;
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.08);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.nav-logo-text {
  letter-spacing: -0.01em;
}

.logo-accent {
  color: var(--accent);
  font-size: 1.4em;
  line-height: 0;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.3s, background 0.3s;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
  background: rgba(99, 102, 241, 0.08);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--input-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1rem;
  transition: background 0.3s, transform 0.3s;
  margin-left: 16px;
}

.theme-toggle:hover {
  transform: rotate(20deg);
  background: rgba(99, 102, 241, 0.15);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: 12px;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 999;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-link {
    padding: 12px 16px;
    font-size: 1rem;
    width: 100%;
    border-radius: var(--radius-sm);
  }
  .nav-link:hover,
  .nav-link.active {
    background: rgba(99, 102, 241, 0.1);
  }
  .theme-toggle {
    margin-left: auto;
  }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 40px) 24px 60px;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 24px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

/* Title */
.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-name {
  display: inline-block;
  position: relative;
}

/* Typewriter */
.hero-typewriter {
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 20px;
  min-height: 2.5rem;
}

.typewriter-prefix {
  color: var(--text-secondary);
}

.typewriter-text {
  color: var(--accent);
  font-weight: 600;
}

.typewriter-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
  font-weight: 300;
}

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

/* Description */
.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

/* Stats */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 36px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* CTA Buttons */
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* Socials */
.hero-socials {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.hero-socials a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all 0.3s;
}

.hero-socials a:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: float-scroll 2s ease-in-out infinite;
}

.mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.mouse-wheel {
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

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

/* Floating icons */
.floating-icons {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.float-icon {
  position: absolute;
  left: var(--x);
  top: var(--y);
  font-size: 1.8rem;
  color: var(--accent);
  opacity: 0.12;
  animation: float-around 8s ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes float-around {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(15px, -20px) rotate(5deg); }
  50% { transform: translate(-10px, -35px) rotate(-3deg); }
  75% { transform: translate(20px, -10px) rotate(4deg); }
}

/* ==========================================
   SECTIONS (shared)
   ========================================== */
.section {
  padding: 100px 0;
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  text-align: center;
  letter-spacing: -0.02em;
}

.section-number {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

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

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.detail-item i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.detail-item div {
  display: flex;
  flex-direction: column;
}

.detail-item strong {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-item span {
  font-size: 0.92rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Image frame */
.about-image {
  display: flex;
  justify-content: center;
}

.image-frame {
  position: relative;
  width: 280px;
  height: 340px;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(99, 102, 241, 0.2);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.image-frame:hover .profile-photo {
  transform: scale(1.03);
  box-shadow: var(--shadow-glow);
}

.initials {
  font-size: 5rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.05em;
}

.image-decoration {
  position: absolute;
  inset: -8px;
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: 0;
  opacity: 0.3;
  transform: rotate(3deg);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-details {
    grid-template-columns: 1fr;
  }
  .about-image { order: -1; }
  .image-frame { width: 200px; height: 240px; }
  .initials { font-size: 3.5rem; }
}

/* ==========================================
   SKILLS SECTION
   ========================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99, 102, 241, 0.3);
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.skill-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.skill-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.skill-bar {
  height: 6px;
  background: var(--skill-bar-bg);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.skill-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 3px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-percent {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

/* ==========================================
   RESUME SECTION
   ========================================== */
.resume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.resume-col-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--timeline-line);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

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

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  z-index: 1;
  transition: background 0.3s;
}

.timeline-item:hover .timeline-dot {
  background: var(--accent);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px 24px;
  border-radius: var(--radius);
  transition: transform 0.3s, box-shadow 0.3s;
}

.timeline-content:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.timeline-date {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-place {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-style: italic;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.timeline-content ul {
  margin-top: 8px;
}

.timeline-content li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}

.timeline-content li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
}

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

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99, 102, 241, 0.3);
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.project-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 1.3rem;
}

.project-tag {
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  transition: color 0.3s;
}

.project-card:hover h3 {
  color: var(--accent);
}

.project-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}

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

.project-tech span {
  padding: 4px 12px;
  background: var(--input-bg);
  color: var(--text-muted);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
}

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

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact-card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  border-radius: 50%;
  font-size: 1.2rem;
  margin: 0 auto 12px;
}

.contact-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group label {
  position: absolute;
  left: 20px;
  top: 16px;
  font-size: 0.95rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all 0.3s ease;
  background: transparent;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -8px;
  left: 14px;
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--bg-secondary);
  padding: 0 6px;
  font-weight: 600;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  align-self: flex-start;
}

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

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  transition: color 0.3s, transform 0.3s;
}

.footer-socials a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */
.js-ready .animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.js-ready .animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.js-ready .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.js-ready .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.js-ready .animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.js-ready .animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.js-ready .animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* ==========================================
   SELECTION
   ========================================== */
::selection {
  background: rgba(99, 102, 241, 0.25);
  color: var(--text-primary);
}

/* ==========================================
   SCROLLBAR
   ========================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}