/* =============================================
   MOHIT SHRESTHA - PORTFOLIO CSS
   Design: Refined Tech Entrepreneur Aesthetic
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- CSS Variables ---- */
:root {
  --blue-900: #0a0e1a;
  --blue-800: #0f1629;
  --blue-700: #111d3c;
  --blue-600: #1a2d5a;
  --blue-500: #1e3a8a;
  --blue-400: #2563eb;
  --blue-300: #3b82f6;
  --blue-200: #60a5fa;
  --blue-100: #bfdbfe;
  --blue-50:  #eff6ff;
  --accent:   #38bdf8;
  --accent2:  #818cf8;
  --gold:     #f59e0b;

  --bg-dark:  #070b18;
  --bg-card:  #0d1225;
  --bg-glass: rgba(13,18,37,0.7);

  --text-primary: #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted: #475569;

  --border: rgba(59,130,246,0.15);
  --border-hover: rgba(59,130,246,0.4);

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-blue: 0 0 40px rgba(37,99,235,0.2);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* Light mode */
[data-theme="light"] {
  --bg-dark: #f0f6ff;
  --bg-card: #ffffff;
  --bg-glass: rgba(255,255,255,0.8);
  --text-primary: #0a0e1a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border: rgba(37,99,235,0.15);
  --border-hover: rgba(37,99,235,0.4);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

/* Background noise texture */
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: 0;
}

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

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

p { color: var(--text-secondary); }

.mono { font-family: var(--font-mono); }
.gradient-text {
  background: linear-gradient(135deg, var(--blue-300), var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Layout ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; z-index: 1; }

/* ---- Navbar ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: white;
  font-weight: 800;
}

/* Logo Image */
.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

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

.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(59,130,246,0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.menu-btn {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.1rem;
  align-items: center; justify-content: center;
  transition: var(--transition);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed; top: 70px; left: 0; right: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.mobile-nav a:hover { background: rgba(59,130,246,0.1); color: var(--text-primary); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-400), var(--blue-500));
  color: white;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.5);
}

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

.btn-outline:hover {
  background: rgba(59,130,246,0.1);
  border-color: var(--blue-300);
  transform: translateY(-2px);
}

.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

/* ---- Section Headers ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue-200);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header p { margin-top: 12px; font-size: 1.05rem; max-width: 600px; }
.section-header.center p { margin: 12px auto 0; }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

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

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(37,99,235,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 20%, rgba(56,189,248,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 60% 80%, rgba(129,140,248,0.06) 0%, transparent 60%);
}

/* Grid lines */
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image: 
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.25);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title { margin-bottom: 20px; }
.hero-title .name { display: block; }

.hero-subtitle {
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat-item { }
.stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Hero Avatar */
.hero-visual {
  position: relative;
  flex-shrink: 0;
}

.avatar-container {
  position: relative;
  width: 300px; height: 300px;
}

.avatar-ring {
  position: absolute; inset: -16px;
  border-radius: 50%;
  border: 1px solid var(--border);
  animation: rotate 20s linear infinite;
}

.avatar-ring::before {
  content: '';
  position: absolute;
  top: -3px; left: 50%;
  width: 6px; height: 6px;
  background: var(--blue-300);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--blue-300);
}

@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.avatar-ring-2 {
  position: absolute; inset: -36px;
  border-radius: 50%;
  border: 1px dashed rgba(59,130,246,0.15);
  animation: rotate 30s linear infinite reverse;
}

.avatar-img {
  width: 300px; height: 300px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border-hover);
  position: relative; z-index: 1;
  overflow: hidden;
}

.avatar-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-placeholder {
  width: 300px; height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  border: 3px solid rgba(59,130,246,0.3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  position: relative; z-index: 1;
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.floating-tag {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  z-index: 2;
}

.tag-1 { top: 20px; right: -20px; }
.tag-2 { bottom: 20px; left: -20px; }
.tag-3 { top: 50%; right: -40px; transform: translateY(-50%); }

/* ---- Services Preview ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-400), transparent);
  transform: scaleX(0);
  transition: var(--transition);
}

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

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), var(--shadow-blue);
}

.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(56,189,248,0.1));
  border: 1px solid rgba(59,130,246,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.service-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.service-card p { font-size: 0.9rem; line-height: 1.6; }

/* ---- Projects Grid ---- */
.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-lg);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.project-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-700));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.project-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,0.5));
}

.project-body { padding: 24px; }
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.tag {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--blue-200);
}

.project-body h3 { margin-bottom: 8px; }
.project-body p { font-size: 0.88rem; margin-bottom: 20px; }
.project-links { display: flex; gap: 10px; }

/* ---- Skills ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.skill-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.skill-item:hover { border-color: var(--border-hover); }

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.skill-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.92rem;
}

.skill-icon { font-size: 1.1rem; }

.skill-percent {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--blue-300);
}

.skill-bar {
  height: 4px;
  background: rgba(59,130,246,0.1);
  border-radius: 100px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--blue-500), var(--accent));
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

/* ---- 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: 28px;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute; top: 16px; right: 24px;
  font-size: 5rem;
  font-family: var(--font-display);
  color: rgba(59,130,246,0.1);
  line-height: 1;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.author-name { font-weight: 600; font-size: 0.9rem; }
.author-title { font-size: 0.78rem; color: var(--text-muted); }

/* ---- Contact Section ---- */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

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

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

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.contact-info-grid {
  display: grid;
  gap: 16px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.contact-info-item:hover { border-color: var(--border-hover); }

.contact-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(56,189,248,0.1));
  border: 1px solid rgba(59,130,246,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item .label { font-size: 0.78rem; color: var(--text-muted); }
.contact-info-item .value { font-weight: 600; font-size: 0.92rem; }

/* Social Links */
.social-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-link {
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: var(--transition);
  text-decoration: none;
}

.social-link:hover {
  border-color: var(--border-hover);
  color: var(--blue-300);
  background: rgba(59,130,246,0.1);
  transform: translateY(-2px);
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  position: relative; z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; }

.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-col ul li a:hover { color: var(--blue-300); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p { font-size: 0.82rem; }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37,99,235,0.12) 0%, transparent 70%);
}

.page-hero .container { position: relative; z-index: 1; }
.page-hero p { font-size: 1.05rem; max-width: 560px; margin: 14px auto 0; }

/* ---- Timeline ---- */
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: '';
  position: absolute; left: 10px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--blue-400), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -36px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--blue-400);
  border: 3px solid var(--bg-dark);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.3);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue-300);
  margin-bottom: 6px;
}

.timeline-title { font-size: 1.05rem; margin-bottom: 8px; }
.timeline-desc { font-size: 0.9rem; }

/* ---- About Page ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.about-img-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-avatar {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-700));
  display: flex; align-items: center; justify-content: center;
  font-size: 8rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: rgba(255,255,255,0.6);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-info-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.about-info-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  min-width: 100px;
}

.about-info-value { font-weight: 500; font-size: 0.92rem; }

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.value-icon { font-size: 1.5rem; margin-bottom: 10px; }
.value-card h4 { font-size: 0.95rem; margin-bottom: 6px; }
.value-card p { font-size: 0.82rem; }

/* ---- Hostiva Page ---- */
.hostiva-hero {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  overflow: hidden;
}

.hostiva-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(37,99,235,0.15) 0%, transparent 70%);
}

.hostiva-logo {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

/* ---- Filter Tabs ---- */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--blue-500);
  border-color: var(--blue-400);
  color: white;
}

/* ---- Scroll to Top ---- */
.scroll-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-400), var(--blue-500));
  border: none;
  color: white;
  font-size: 1rem;
  display: none;
  align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
  transition: var(--transition);
  z-index: 999;
}

.scroll-top.visible { display: flex; }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(37,99,235,0.5); }

/* ---- AOS-like animations ---- */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-left"] { transform: translateX(-30px); }
[data-aos="fade-left"].aos-animate { transform: translateX(0); }

[data-aos="fade-right"] { transform: translateX(30px); }
[data-aos="fade-right"].aos-animate { transform: translateX(0); }

[data-aos="zoom-in"] { transform: scale(0.9); }
[data-aos="zoom-in"].aos-animate { transform: scale(1); }

[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos-delay="500"] { transition-delay: 0.5s; }

/* ---- Success Message ---- */
.success-msg {
  display: none;
  padding: 16px 20px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius);
  color: #86efac;
  font-size: 0.9rem;
  margin-top: 16px;
}

/* ---- Utility ---- */
.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 70px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-24 { margin-bottom: 24px; }
.gap-16 { gap: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }

.highlight {
  color: var(--blue-300);
  font-weight: 600;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 60px 0;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-img-container { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-btn { display: flex; }

  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .form-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .hostiva-hero { padding: 40px 24px; }
  .contact-form { padding: 24px; }

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

@media (max-width: 480px) {
  .btn-lg { padding: 14px 24px; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .filter-tabs { justify-content: center; }
}

/* ---- Custom Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--blue-600); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue-400); }

/* ---- Page transitions ---- */
.page-transition {
  animation: pageIn 0.5s ease;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tech stack badges */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--blue-200);
}

/* Python icon */
.tech-badge[data-tech="python"] .tech-icon {
  font-size: 1rem;
  color: #3776ab;
}

.tech-badge[data-tech="python"] {
  background: rgba(55,118,171,0.1);
  border-color: rgba(55,118,171,0.25);
  color: #3776ab;
}

/* Feature list */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: '✓';
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(34,197,94,0.15);
  color: #86efac;
  font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
}

/* Hostiva stats */
.hostiva-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.h-stat {
  text-align: center;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.h-stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.h-stat-label { font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 768px) {
  .hostiva-stats { grid-template-columns: repeat(2, 1fr); }
}