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

:root {
  --primary: #06b6d4;
  --primary-dark: #0891b2;
  --primary-light: #cffafe;
  --bg: #0b1120;
  --bg-card: #15203a;
  --bg-card-hover: #1a2a4a;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #1e3a5f;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s ease;
  --container: 1100px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

.section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #0b1120;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.35);
  color: #0b1120;
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #0b1120;
  transform: translateY(-2px);
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #0b1120 !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
}
.nav-cta:hover { color: #0b1120 !important; transform: translateY(-1px); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero ---- */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.25rem 4rem;
  background: radial-gradient(ellipse at 50% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2rem;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- How It Works ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.15);
  color: var(--primary);
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}
.step-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.step-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.service-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.service-tags span {
  background: rgba(6, 182, 212, 0.1);
  color: var(--primary);
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ---- Stats ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.5rem;
  text-align: center;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: var(--primary);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* ---- Testimonials ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}
.testimonial-card:hover {
  border-color: var(--primary);
}
.testimonial-stars {
  color: var(--primary);
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}
.testimonial-card blockquote {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 1rem;
}
.testimonial-author {
  font-weight: 700;
  font-size: 0.9rem;
}
.testimonial-role {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ---- Pricing ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all var(--transition);
}
.pricing-card.featured {
  border-color: var(--primary);
  position: relative;
}
.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #0b1120;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 100px;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.pricing-price {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 0.25rem;
}
.pricing-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}
.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 1.5rem;
}
.pricing-features li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.pricing-features li::before {
  content: '\2713';
  color: var(--primary);
  font-weight: 700;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.active {
  border-color: var(--primary);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  font-size: 1.25rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 600px;
}
.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ---- Keywords Cloud ---- */
.keywords-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  max-width: 700px;
  margin: 0 auto;
}
.keywords-cloud span {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.keywords-cloud span:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ---- CTA ---- */
.cta-section {
  text-align: center;
  background: radial-gradient(ellipse at 50% 100%, rgba(6, 182, 212, 0.06) 0%, transparent 70%);
}
.cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}
.cta-section p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-col ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul a:hover {
  color: var(--primary);
}
.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-bottom a {
  color: var(--primary);
}

/* ---- Page Header ---- */
.page-header {
  padding: 9rem 1.25rem 3rem;
  text-align: center;
}
.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-header p {
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ---- About Page ---- */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-story h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.about-story p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.about-story .about-avatar {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  font-weight: 900;
  color: #0b1120;
  margin: 0 auto;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.skill-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.skill-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.timeline-item {
  border-left: 2px solid var(--primary);
  padding-left: 1.5rem;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}
.timeline-item h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}
.timeline-item .meta {
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.timeline-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---- Contact Page ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea {
  min-height: 130px;
  resize: vertical;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.contact-card h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--primary);
}
.contact-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.contact-card ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition);
}
.contact-card ul a:hover {
  color: var(--primary);
}

/* ---- Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Mobile ---- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(11, 17, 32, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform 0.35s ease;
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .about-story {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }
  .section-title {
    font-size: 1.75rem;
  }
}