/* Base Design System */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --dark: #0f172a;
  --dark-surface: #1e293b;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --background: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--background);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Typography & General */
h1, h2, h3, h4 {
  color: var(--dark);
  line-height: 1.25;
  font-weight: 700;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--dark);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: 8px;
  padding: 12px 24px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #fff;
  color: var(--dark);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: #f1f5f9;
}

.btn-nav {
  background-color: var(--dark);
  color: #fff;
  padding: 8px 18px;
  font-size: 0.9rem;
}

.btn-nav:hover {
  background-color: var(--dark-surface);
}

.btn-block {
  width: 100%;
}

.btn-small {
  padding: 6px 14px;
  font-size: 0.85rem;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--dark);
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 90px 0 70px;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
}

.hero-content {
  max-width: 780px;
}

.hero-pill {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-title .highlight {
  color: var(--primary);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
}

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

/* Section Shared */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

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

/* Cards & Grid */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  padding: 32px;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* About Section */
.about {
  background: #fff;
}

.about-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.about-content p {
  color: var(--text-muted);
  margin: 16px 0 24px;
  font-size: 1.05rem;
}

.about-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-bullets li {
  position: relative;
  padding-left: 24px;
  color: var(--text-muted);
}

.about-bullets li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.metric-card {
  background: var(--dark);
  color: #fff;
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.metric-card h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.metric-card p {
  color: #94a3b8;
  font-style: italic;
  margin-bottom: 24px;
}

.metric-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--dark-surface);
  padding-top: 16px;
  font-size: 0.85rem;
}

/* Why Us */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-item {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.feature-badge {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.feature-item h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.feature-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Testimonials */
.testimonials {
  background: #fff;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
}

.stars {
  color: #f59e0b;
  margin-bottom: 12px;
}

.quote {
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 20px;
  font-style: italic;
}

.author strong {
  display: block;
  font-size: 0.95rem;
}

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

/* Contact */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info p {
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 30px;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-icon {
  font-size: 1.4rem;
}

.info-item strong {
  display: block;
  font-size: 0.95rem;
}

.info-item p {
  margin: 0;
  font-size: 0.9rem;
}

.contact-form-card {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background-color: #fff;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-status {
  margin-top: 16px;
  padding: 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  text-align: center;
}

.form-status.success {
  background: #dcfce7;
  color: #15803d;
}

/* Footer */
.footer {
  background: var(--dark);
  color: #cbd5e1;
  padding: 60px 0 24px;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--dark-surface);
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  color: #94a3b8;
  max-width: 320px;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 60px;
}

.links-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.links-column strong {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.links-column a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.links-column a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 24px;
  font-size: 0.85rem;
  color: #64748b;
  text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .about-container,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  .footer-container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #fff;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-menu.active {
    display: flex;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
}