/* ========================================
   VAIBHAV SINGH - Main Stylesheet
   Design: Indigo + Coral, Space Grotesk + Inter
   ======================================== */

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

:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --accent: #f97316;
  --accent-light: #fed7aa;
  --bg: #fafbff;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --text: #334155;
  --text-light: #64748b;
  --text-dark: #0f172a;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.2;
}

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

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

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

/* ---- Section Shared ---- */
.section {
  padding: 100px 0;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  background: rgba(79, 70, 229, 0.08);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.4rem;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

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

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--surface);
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255, 255, 255, 0.4);
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* ---- Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Header ---- */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.main-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

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

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-dark);
}

.logo-dot {
  color: var(--accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 16px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-xs);
}

.header-cta:hover {
  background: var(--primary);
  color: #fff;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-dark);
  cursor: pointer;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.mobile-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ---- Hero ---- */
.hero-section {
  padding: 160px 0 100px;
  background: linear-gradient(160deg, #fafbff 0%, #eef2ff 50%, #fafbff 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.06) 0%, transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.tag-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: 3.2rem;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  line-height: 1.15;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-shape {
  width: 100%;
  aspect-ratio: 1;
  max-width: 380px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-shape i {
  font-size: 5rem;
  color: rgba(255, 255, 255, 0.3);
}

.experience-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--accent);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.about-content h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.about-content p {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 28px;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.highlight-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.highlight-item i {
  font-size: 1.2rem;
  color: var(--primary);
}

.highlight-item span {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dark);
}

/* ---- Services ---- */
.services-section {
  background: var(--surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(79, 70, 229, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-icon i {
  font-size: 1.5rem;
  color: var(--primary);
}

.service-card:hover .service-icon {
  background: var(--primary);
}

.service-card:hover .service-icon i {
  color: #fff;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---- Process ---- */
.process-section {
  background: var(--bg);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  opacity: 0.3;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-marker {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
  position: relative;
  z-index: 2;
}

.process-step:hover .step-marker {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(79, 70, 229, 0.3);
}

.process-step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-light);
  max-width: 200px;
  margin: 0 auto;
}

/* ---- Team ---- */
.team-section {
  background: var(--surface);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.team-member {
  text-align: center;
  padding: 36px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  transition: var(--transition);
}

.team-member:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.member-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}

.member-avatar i {
  font-size: 2rem;
  color: #fff;
}

.team-member h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.team-member p {
  font-size: 0.82rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ---- Reviews ---- */
.reviews-section {
  background: var(--bg);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

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

.review-stars {
  margin-bottom: 16px;
  display: flex;
  gap: 3px;
}

.review-stars i {
  color: var(--accent);
  font-size: 0.9rem;
}

.review-card > p {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.review-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.review-author span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ---- CTA Banner ---- */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-size: 2.4rem;
  color: #fff;
  margin-bottom: 12px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .btn-primary {
  background: #fff;
  color: var(--primary);
}

.cta-actions .btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ---- Contact ---- */
.contact-section {
  background: var(--surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.info-card {
  padding: 24px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  transition: var(--transition);
}

.info-card:hover {
  border-color: var(--primary-light);
}

.info-card i {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 10px;
  display: block;
}

.info-card h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.info-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}

.info-card a {
  color: var(--primary);
}

.info-card a:hover {
  color: var(--primary-dark);
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--text-dark);
  background: var(--bg);
  transition: var(--transition);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

/* ---- Footer ---- */
.main-footer {
  background: var(--text-dark);
  padding: 64px 0 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-layout {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-about .logo {
  color: #fff;
  display: inline-block;
  margin-bottom: 14px;
}

.footer-about p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-contact-info p {
  font-size: 0.82rem;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-contact-info i {
  color: var(--primary-light);
  margin-top: 3px;
}

.footer-links h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.footer-links a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
}

.footer-links a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ---- Scroll to Top ---- */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 900;
}

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

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* ======== RESPONSIVE ======== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-content h1 {
    font-size: 2.6rem;
  }

  .hero-stats {
    max-width: 400px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-media {
    max-width: 320px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .process-timeline::before {
    display: none;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-layout {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-header h2 {
    font-size: 1.9rem;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100dvh;
    background: var(--surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px;
    gap: 24px;
    box-shadow: var(--shadow-lg);
    transition: right 0.4s ease;
    z-index: 999;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav a {
    font-size: 1.05rem;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero-section {
    padding: 120px 0 72px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

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

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-content h2 {
    font-size: 1.8rem;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

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

  .process-timeline {
    grid-template-columns: 1fr;
  }

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

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .stat-card {
    padding: 20px 16px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}