/* Web Development Portfolio — Sanket Nainani */

:root {
  --bg: #0b0f14;
  --bg-elevated: #121820;
  --bg-card: #161d27;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf4;
  --text-muted: #8b9bb0;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --shopify: #95bf47;
  --shopify-soft: rgba(149, 191, 71, 0.12);
  --gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Instrument Serif', Georgia, serif;
  --nav-height: 72px;
  --max-width: 1200px;
  --transition: 0.22s ease;
}

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

html {
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text) !important;
}

body {
  font-family: var(--font) !important;
  background: var(--bg) !important;
  color: var(--text) !important;
  line-height: 1.65;
  min-height: 100vh !important;
  display: flex;
  flex-direction: column !important;
  -webkit-font-smoothing: antialiased !important;
}

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

a {
  color: var(--accent-hover);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #93c5fd;
}

ul, ol {
  list-style: none;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1rem;
}

.logo {
  display: flex;
  align-items: center;
 gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--text);
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
 gap: 0.25rem;
}

.nav-links > li {
  position: relative;
}

.nav-links a {
  display: block;
  padding: 0.55rem 0.85rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links .has-dropdown > a::after {
  content: '▾';
  margin-left: 0.35rem;
  font-size: 0.7rem;
  opacity: 0.6;
}

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
}

.nav-cta {
  margin-left: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
 gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
}

.btn-shopify {
  background: var(--shopify-soft);
  color: var(--shopify);
  border: 1px solid rgba(149, 191, 71, 0.25);
}

.btn-shopify:hover {
  color: #b4e06a;
  background: rgba(149, 191, 71, 0.18);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: var(--transition);
}

/* Main content */
main {
  flex: 1;
}

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 20%, rgba(59, 130, 246, 0.15), transparent),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(139, 92, 246, 0.1), transparent);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
 gap: 3rem;
  align-items: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
 gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-hover);
  margin-bottom: 1.25rem;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: italic;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
 gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
 gap: 2rem;
}

.stat-item strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.stat-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.hero-card h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
 gap: 0.5rem;
}

.skill-tag {
  padding: 0.4rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.skill-tag.highlight {
  background: var(--accent-soft);
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--accent-hover);
}

.skill-tag.shopify {
  background: var(--shopify-soft);
  border-color: rgba(149, 191, 71, 0.25);
  color: var(--shopify);
}

/* Sections */
.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-header.center {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-hover);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section-alt {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
 gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.25);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card-icon.shopify {
  background: var(--shopify-soft);
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
  margin-bottom: 1.25rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
 gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-hover);
}

.card-link:hover {
  color: #93c5fd;
}

/* Project cards */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.25);
}

.project-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.project-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11, 15, 20, 0.6));
}

.project-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.project-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-hover);
  margin-bottom: 0.5rem;
}

.project-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.project-body p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
 gap: 0.75rem;
}

.project-links a {
  font-size: 0.82rem;
  font-weight: 600;
}

/* Page header (inner pages) */
.page-hero {
  padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 640px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
 gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent-hover);
}

.breadcrumb span {
  opacity: 0.5;
}

/* Content prose */
.prose {
  max-width: 720px;
}

.prose h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}

.prose h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

.prose p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.prose ul {
  margin-bottom: 1rem;
  padding-left: 0;
}

.prose ul li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.prose ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Two column layout */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
 gap: 3rem;
  align-items: start;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: calc(var(--nav-height) + 1.5rem);
}

.sidebar-card h3 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.sidebar-list li {
  margin-bottom: 0.5rem;
}

.sidebar-list a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: background var(--transition), color var(--transition);
}

.sidebar-list a:hover,
.sidebar-list a.active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

/* Cta band */
.cta-band {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin: 2rem 0;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.cta-band p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 1.5rem;
}

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
 gap: 3rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.label-optional {
  font-weight: 400;
  color: var(--text-muted);
}

.form-status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-status--success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #86efac;
}

.form-status--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.contact-info-item {
  display: flex;
 gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-item .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.contact-info-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
 gap: 2.5rem;
  padding: 3.5rem 0 2.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 1rem 0 1.25rem;
  max-width: 280px;
}

.footer-social {
  display: flex;
 gap: 0.75rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.footer-social a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.55rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
 gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
 gap: 1.25rem;
}

.footer-bottom-links a {
  color: var(--text-muted);
}

/* Process steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
 gap: 1.25rem;
}

.process-step {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.step-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-hover);
  margin-bottom: 0.75rem;
}

.process-step h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

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

/* Testimonial / quote */
.quote-block {
  border-left: 3px solid var(--accent);
  padding: 1rem 0 1rem 1.5rem;
  margin: 2rem 0;
}

.quote-block p {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.quote-block cite {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
}

/* FAQ */
.faq-list details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-list summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--text-muted);
}

.faq-list details[open] summary::after {
  content: '−';
}

.faq-list .faq-answer {
  padding: 0 1.25rem 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .split-layout,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .sidebar-card {
    position: static;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    padding: 0.85rem 1rem;
    font-size: 1rem;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: rgba(255, 255, 255, 0.03);
    margin: 0.25rem 0 0.5rem 1rem;
    display: none;
  }

  .has-dropdown.open .dropdown {
    display: block;
  }

  .nav-cta {
    margin: 0.5rem 0 0;
  }

  .nav-cta .btn {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}