/* Biztech Expert — India 2026 */
/* No AI aesthetic. Clean, editorial, human. */

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

:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --surface-alt: #f3f1ec;
  --border: #e5e2dc;
  --border-light: #eeebe5;
  --text: #1a1a1a;
  --text-secondary: #555;
  --text-muted: #888;
  --accent: #1a3a2a;
  --accent-light: #2d5e42;
  --accent-bg: #e8f0eb;
  --highlight: #c45d3e;
  --highlight-light: #f4ebe7;
  --font-display: 'Instrument Serif', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w: 1200px;
  --radius: 8px;
  --radius-lg: 16px;
}

/* Dark theme */
.dark-theme {
  --bg: #0f1113;
  --surface: #1a1d21;
  --surface-alt: #222529;
  --border: #2d3035;
  --border-light: #363a3f;
  --text: #e8e8e8;
  --text-secondary: #b0b0b0;
  --text-muted: #777;
  --accent: #4e9a6e;
  --accent-light: #6bbd8a;
  --accent-bg: #1a2e22;
  --highlight: #e07050;
  --highlight-light: #2e1f18;
}

.dark-theme header {
  background: rgba(15, 17, 19, 0.92);
  border-bottom-color: var(--border);
}

.dark-theme .nav-dropdown-menu {
  background: var(--surface);
  border-color: var(--border);
}

.dark-theme .nav-dropdown-menu a:hover {
  background: var(--surface-alt);
}

.dark-theme .btn-outline {
  border-color: var(--border);
  color: var(--text);
}

.dark-theme .btn-outline:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--accent);
}

.dark-theme img {
  filter: brightness(0.9);
}

/* Theme toggle button */
.theme-toggle {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all 0.3s;
}

.theme-toggle:hover {
  border-color: var(--accent);
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .theme-toggle { bottom: 16px; right: 16px; width: 42px; height: 42px; }
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* ===== HEADER ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s;
}
header.scrolled { box-shadow: 0 1px 8px rgba(0,0,0,0.04); }
.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center;
  height: 72px;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 400; letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 10px;
}
.logo-mark {
  width: 36px; height: 36px; background: var(--accent);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--font-body); font-size: 0.85rem; font-weight: 700;
}
nav { display: flex; align-items: center; gap: 32px; }
nav a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
  transition: color 0.2s;
}
nav a:hover { color: var(--text); }
nav .cta {
  background: var(--accent); color: #fff;
  padding: 10px 24px; border-radius: var(--radius);
  font-weight: 600; transition: opacity 0.2s;
}
nav .cta:hover { opacity: 0.85; color: #fff; }

/* Nav dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a { cursor: default; }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 0; min-width: 220px; box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block; padding: 8px 20px; font-size: 0.85rem;
  color: var(--text-secondary); white-space: nowrap;
}
.nav-dropdown-menu a:hover { color: var(--accent); background: var(--accent-bg); }
.mobile-toggle {
  display: none; background: none; border: none;
  font-size: 1.5rem; cursor: pointer; color: var(--text);
}

/* ===== HERO ===== */
.hero {
  padding: 160px 0 100px; position: relative;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-bg); color: var(--accent-light);
  padding: 6px 16px; border-radius: 100px;
  font-size: 0.8rem; font-weight: 600; margin-bottom: 24px;
}
.hero-badge .dot {
  width: 6px; height: 6px; background: #22c55e;
  border-radius: 50%; animation: blink 1.5s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 400; line-height: 1.15;
  letter-spacing: -0.02em; margin-bottom: 24px;
}
.hero h1 em {
  font-style: italic; color: var(--accent);
}
.hero p {
  font-size: 1.1rem; color: var(--text-secondary);
  max-width: 480px; line-height: 1.8; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual {
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3; overflow: hidden;
  border: 1px solid var(--border-light);
  background: url('/images/hero-website.png') center/cover no-repeat;
  position: relative;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600;
  padding: 14px 32px; border-radius: var(--radius);
  cursor: pointer; transition: all 0.2s; border: none;
  font-size: 0.9rem;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); color: #fff; }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-highlight { background: var(--highlight); color: #fff; }
.btn-highlight:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }

/* ===== STATS ===== */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; margin: -40px auto 0; max-width: 900px;
  background: var(--surface); position: relative; z-index: 2;
}
.stat {
  text-align: center; padding: 32px 16px;
  border-right: 1px solid var(--border-light);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 400; color: var(--accent);
}
.stat-label {
  font-size: 0.78rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-top: 4px; font-weight: 500;
}

/* ===== SECTIONS ===== */
section { padding: 100px 0; }
.section-label {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--accent-light); margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.section-label::before {
  content: ''; width: 20px; height: 1px; background: var(--accent);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400; line-height: 1.2; margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-desc {
  color: var(--text-secondary); max-width: 560px;
  font-size: 1rem; line-height: 1.8;
}

/* ===== SERVICES GRID ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 48px;
}
.service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  transition: border-color 0.3s, transform 0.3s;
}
.service-card:hover {
  border-color: var(--accent); transform: translateY(-2px);
}
.service-icon {
  width: 48px; height: 48px; background: var(--accent-bg);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 20px;
}
.service-card-img {
  width: 100%; height: auto; object-fit: contain;
  border-radius: var(--radius); margin-bottom: 20px;
  border: 1px solid var(--border-light);
  background: var(--surface-alt);
  max-height: 500px;
}
.service-card h3 {
  font-size: 1.05rem; font-weight: 600; margin-bottom: 8px;
}
.service-card p {
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7;
}
.service-card .price-tag {
  display: inline-block; margin-top: 16px;
  font-size: 0.82rem; font-weight: 600; color: var(--accent);
  background: var(--accent-bg); padding: 4px 12px; border-radius: 100px;
}

/* ===== PROCESS ===== */
.process-section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 64px 48px;
}
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px; margin-top: 40px; position: relative;
}
.process-steps::before {
  content: ''; position: absolute; top: 28px; left: 12%; right: 12%;
  height: 1px; background: var(--border);
}
.process-step { text-align: center; position: relative; }
.process-step .num {
  width: 56px; height: 56px; background: var(--bg);
  border: 1.5px solid var(--accent); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: var(--accent); margin: 0 auto 16px;
  position: relative; z-index: 1; font-size: 0.9rem;
}
.process-step h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.process-step p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== PRICING ===== */
.pricing-toggle {
  display: flex; justify-content: center; gap: 8px;
  margin: 32px auto 0; background: var(--surface-alt);
  padding: 4px; border-radius: 100px; width: fit-content;
}
.pricing-toggle button {
  padding: 10px 24px; border-radius: 100px; border: none;
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s; background: transparent;
  color: var(--text-secondary);
}
.pricing-toggle button.active {
  background: var(--accent); color: #fff;
}
.pricing-category { margin-top: 60px; }
.pricing-category h3 {
  font-family: var(--font-display);
  font-size: 1.5rem; margin-bottom: 24px;
}
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.pricing-card, .price-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 24px;
  position: relative; transition: border-color 0.3s, transform 0.3s;
}
.pricing-card:hover, .price-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.pricing-card.popular, .price-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-bg), var(--surface));
}
.pricing-card.popular::before, .price-card.featured::before {
  content: 'Popular'; position: absolute; top: -10px; left: 50%;
  transform: translateX(-50%); background: var(--accent); color: #fff;
  padding: 4px 16px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em;
}
.pricing-card h3, .price-card h4 { margin-bottom: 16px; }
.pricing-card .price, .price-card .price-amount {
  font-family: var(--font-display); font-size: 2rem; font-weight: 400;
  color: var(--accent); margin-bottom: 4px;
}
.pricing-card .price-note, .price-card .price-note {
  font-size: 0.8rem; color: var(--text-muted); margin-bottom: 20px;
}
.pricing-card ul, .price-card ul {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  margin: 20px 0;
}
.pricing-card li, .price-card li {
  font-size: 0.9rem; color: var(--text-secondary);
  padding-left: 24px; position: relative;
}
.pricing-card li::before, .price-card li::before {
  content: none;
}
.price-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 24px;
  position: relative; transition: border-color 0.3s, transform 0.3s;
}
.price-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.price-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-bg), var(--surface));
}
.price-card.featured::before {
  content: 'Popular'; position: absolute; top: -10px; left: 50%;
  transform: translateX(-50%); background: var(--accent); color: #fff;
  padding: 4px 16px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em;
}
.price-card h4 {
  font-size: 0.85rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 400; margin-bottom: 4px;
}
.price-amount .currency { font-size: 1.2rem; vertical-align: super; }
.price-period { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 20px; }
.price-divider { width: 32px; height: 1px; background: var(--border); margin-bottom: 20px; }
.price-features li {
  font-size: 0.85rem; color: var(--text-secondary); padding: 6px 0;
  display: flex; align-items: flex-start; gap: 10px;
}
.price-features li::before {
  content: none;
}
.price-card .btn { width: 100%; justify-content: center; margin-top: 24px; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 48px;
}
.testimonial {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
}
.testimonial .stars { color: #e5a100; font-size: 0.85rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial .quote {
  font-size: 0.92rem; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 20px; font-style: italic;
}
.testimonial .author { display: flex; align-items: center; gap: 12px; }
.testimonial .avatar {
  width: 40px; height: 40px; background: var(--accent-bg);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8rem; color: var(--accent);
}
.testimonial .name { font-size: 0.85rem; font-weight: 600; }
.testimonial .role { font-size: 0.75rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 720px; margin: 48px auto 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 20px 0; margin: 0; font-size: 1rem;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 500; color: var(--text); font-family: inherit;
  text-align: left; gap: 16px; transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question::after {
  content: '+'; font-size: 1.4rem; font-weight: 300;
  color: var(--text-muted); transition: transform 0.3s, content 0.3s;
  flex-shrink: 0; width: 28px; height: 28px;
  border: 1px solid var(--border); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease;
  color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7;
  margin: 0;
}
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer p { padding: 0 0 20px; margin: 0; }

/* ===== CONTACT ===== */
.contact-section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 48px;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 32px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item .icon {
  width: 44px; height: 44px; background: var(--accent-bg);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.contact-item h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.contact-item p { font-size: 0.85rem; color: var(--text-secondary); }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form input, .contact-form textarea {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  color: var(--text); font-family: var(--font-body); font-size: 0.9rem;
  transition: border-color 0.2s; outline: none;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); }
.contact-form textarea { resize: vertical; min-height: 100px; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; margin-top: 48px; }
.about-text p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.about-text .founder { font-weight: 600; color: var(--accent); margin-top: 16px; }
.about-values { display: flex; flex-direction: column; gap: 20px; }
.about-value {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
}
.about-value h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.about-value p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== SERVICE PAGE ===== */
.service-hero { padding: 160px 0 80px; }
.service-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 400; line-height: 1.15; margin-bottom: 16px;
}
.service-hero p { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; line-height: 1.8; }
.service-detail { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; margin-top: 48px; }
.service-content h2 {
  font-family: var(--font-display);
  font-size: 1.8rem; margin-bottom: 16px;
}
.service-content p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.service-sidebar {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; position: sticky; top: 100px;
}
.service-sidebar h3 { font-size: 1.1rem; margin-bottom: 16px; }

/* ===== FINAL CTA ===== */
.final-cta {
  text-align: center; padding: 100px 0;
  background: var(--accent); color: #fff;
}
.final-cta .section-label { color: rgba(255,255,255,0.6); }
.final-cta .section-label::before { background: rgba(255,255,255,0.4); }
.final-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: #fff; margin-bottom: 16px;
}
.final-cta p { color: rgba(255,255,255,0.7); margin-bottom: 32px; max-width: 480px; margin-left: auto; margin-right: auto; }
.final-cta .btn-primary { background: #fff; color: var(--accent); }
.final-cta .btn-primary:hover { background: rgba(255,255,255,0.9); }

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border); padding: 48px 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand p { font-size: 0.85rem; color: var(--text-secondary); margin-top: 12px; line-height: 1.7; }
.footer-col h5 {
  font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 16px;
}
.footer-col a {
  display: block; font-size: 0.88rem; color: var(--text-secondary);
  padding: 4px 0; transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border-light);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { height: 64px; }
  nav { display: none; }
  nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 24px; gap: 16px;
  }
  .mobile-toggle { display: block; }
  .hero { padding: 120px 0 80px; }
  .hero h1 { font-size: 2.2rem; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: -20px; }
  .stat { border-bottom: 1px solid var(--border-light); }
  .services-grid, .pricing-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .contact-grid, .about-grid, .service-detail { grid-template-columns: 1fr; }
  .process-section, .contact-section { padding: 32px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  section { padding: 60px 0; }
}