/* ============================================================
   Pravin Dabhade — Portfolio Stylesheet
   ============================================================ */

:root {
   --bg: #0b0f14; 
  --bg-alt: #0f151c;
  --surface: #131a22;
  --surface-2: #171f29;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf2;
  --cyan: #38bdf8;
  --text-dim: #9fb0bf;        /* secondary text */
  --text-faint: #6b7c8c;
  --emerald: #6ee7b7;
  --purple: #a855f7;
  --amber: #fbbf24;
  --gradient: linear-gradient(120deg, var(--cyan), var(--emerald));
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --max-width: 1160px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: "Fira Code", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.site-bg {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn.primary {
  background: var(--gradient);
  color: #06121a;
}
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(56, 189, 248, 0.25); }
.btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 20, 0.8);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.5px;
}
.brand-bracket { color: var(--cyan); }
.nav { display: flex; gap: 28px; margin: 0 auto; }
.nav a { color: var(--text-dim); font-size: 0.92rem; font-weight: 600; transition: color 0.15s; }
.nav a:hover { color: var(--text); }
.header-right { display: flex; align-items: center; gap: 18px; }
.socials { display: flex; gap: 10px; }
.social-link {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: transform 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.social-link:hover { transform: translateY(-2px); border-color: var(--cyan); color: var(--cyan); }
.social-link svg { width: 17px; height: 17px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 90px 0 60px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 22px;
}
.dot-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(110, 231, 183, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(110, 231, 183, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(110, 231, 183, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 231, 183, 0); }
}
.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 800;
}
.hero .lead {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-stats { display: flex; align-items: center; gap: 22px; margin-bottom: 34px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.5rem; font-weight: 800; color: var(--text); }
.stat-label { font-size: 0.78rem; color: var(--text-faint); }
.stat-divider { width: 1px; height: 32px; background: var(--border); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card { display: flex; justify-content: center; }
.avatar-frame { position: relative; width: 300px; height: 300px; }
.avatar-wrap {
  width: 100%; height: 100%;
  border-radius: 60px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}
.avatar-wrap img { width: 100%; height: 100%; object-fit: cover; }
.avatar-ring {
  position: absolute;
  inset: -14px;
  border-radius: 36px;
  border: 1px dashed rgba(56, 189, 248, 0.35);
  pointer-events: none;
}
.avatar-dot {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  box-shadow: var(--shadow);
}
.dot-1 { background: var(--cyan); top: -6px; left: 20%; }
.dot-2 { background: var(--purple); bottom: 10%; right: -8px; }
.dot-3 { background: var(--amber); bottom: -8px; left: 40%; }

.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 50px auto 0;
  color: var(--text-faint);
  font-size: 0.75rem;
}
.scroll-line { width: 1px; height: 28px; background: linear-gradient(var(--text-faint), transparent); }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-kicker {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.section-title { font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 14px; font-weight: 800; }
.section-sub { color: var(--text-dim); max-width: 560px; margin: 0 auto 50px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.about-text h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 20px; font-weight: 800; }
.about-text p { color: var(--text-dim); margin-bottom: 16px; }
.about-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chip {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.about-card { display: flex; flex-direction: column; gap: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.about-card-row { display: flex; gap: 14px; align-items: flex-start; }
.about-icon { font-size: 1.4rem; }
.about-card-row h4 { margin: 0 0 4px; font-size: 1rem; }
.about-card-row p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(56, 189, 248, 0.35); }
.service-card-featured { border-color: rgba(110, 231, 183, 0.4); background: var(--surface-2); }
.service-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--gradient);
  color: #06121a;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.service-card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.service-card > p { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 14px; }
.service-list { display: flex; flex-direction: column; gap: 8px; }
.service-list li {
  font-size: 0.85rem;
  color: var(--text-dim);
  padding-left: 18px;
  position: relative;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--emerald);
}

/* Service images */
.service-image {
  position: relative;
  width: 100%;
  height: 160px;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--bg);
}
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.service-card:hover .service-image img { transform: scale(1.06); }
.service-icon-badge {
  position: absolute;
  bottom: 10px; left: 10px;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem;
  background: rgba(11, 15, 20, 0.75);
  backdrop-filter: blur(6px);
  border-radius: 10px;
  border: 1px solid var(--border);
}

/* ---------- Projects ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.project-card:hover { transform: translateY(-4px); border-color: rgba(168, 85, 247, 0.35); }
.project-card-wide { grid-column: span 2; display: grid; grid-template-columns: 1.1fr 1fr; }
.project-card-wide .project-preview { height: 100%; min-height: 220px; }
.project-preview {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--bg);
}
.project-preview img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.project-card:hover .project-preview img { transform: scale(1.05); }
.project-preview-icon {
  position: absolute;
  top: 12px; left: 12px;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  background: rgba(11, 15, 20, 0.75);
  backdrop-filter: blur(6px);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.project-body { padding: 22px; }
.project-type { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.5px; }
.project-body h3 { margin: 10px 0; font-size: 1.1rem; }
.project-body > p { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 16px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 0.75rem;
  color: var(--text-dim);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
}

/* ---------- Skills ---------- */
.skills-categories { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.skills-cat-title { font-size: 0.95rem; color: var(--text-dim); margin: 0 0 16px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.skill-item {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 8px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.skill-item:hover { transform: translateY(-3px); border-color: rgba(56, 189, 248, 0.35); }
.skill-item img { width: 28px; height: 28px; }
.skill-label { font-size: 0.75rem; color: var(--text-dim); }

/* ---------- Experience Timeline ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -28px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--bg);
}
.timeline-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.timeline-header h3 { margin: 0 0 4px; font-size: 1.05rem; }
.timeline-company { margin: 0; color: var(--text-dim); font-size: 0.88rem; }
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--emerald);
  white-space: nowrap;
  padding-top: 3px;
}
.timeline-card ul { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.timeline-card li {
  font-size: 0.88rem;
  color: var(--text-dim);
  padding-left: 18px;
  position: relative;
}
.timeline-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--purple);
}
.timeline-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; }
.contact-info { display: flex; flex-direction: column; gap: 22px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item h4 { margin: 0 0 3px; font-size: 0.95rem; }
.contact-item a, .contact-item p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }
.contact-item a:hover { color: var(--cyan); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 0.85rem; color: var(--text-dim); }
.field input, .field select, .field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); }
.field textarea { resize: vertical; min-height: 100px; }
.form-actions { display: flex; flex-direction: column; gap: 12px; }
.note { font-size: 0.85rem; color: var(--text-faint); min-height: 1.2em; }
.note-success { color: var(--emerald); }
.note-error { color: #f87171; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; background: var(--bg-alt); }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 24px; }
.footer-brand p { color: var(--text-faint); font-size: 0.85rem; margin: 10px 0 0; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-dim); font-size: 0.88rem; }
.footer-links a:hover { color: var(--cyan); }
.footer-copy { text-align: right; color: var(--text-faint); font-size: 0.8rem; }
.footer-copy p { margin: 3px 0; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero .lead { margin-left: auto; margin-right: auto; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-card { order: -1; margin-bottom: 20px; }
  .avatar-frame { width: 220px; height: 220px; }

  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card-wide { grid-column: span 1; grid-template-columns: 1fr; }
  .project-card-wide .project-preview { min-height: 200px; }
  .skills-categories { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .socials { display: none; }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 16px;
  }

  .hero { padding: 60px 0 40px; }
  .section { padding: 60px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: left; }
  .footer-copy { text-align: left; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-stats { gap: 14px; }
  .stat-num { font-size: 1.25rem; }
  .avatar-frame { width: 180px; height: 180px; }
}