/* ============================================
   NovaTech Solutions — Design System
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-primary: #0f1b2d;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-border: #e2e8f0;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1200px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --transition: 150ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }
ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: 3rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }
.text-light { color: var(--color-text-light); }
.text-center { text-align: center; }
.text-small { font-size: 0.875rem; }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  padding: 5rem 0;
  background: var(--color-bg-alt);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Announcement Banner --- */
.announcement-banner {
  display: none; /* Change to 'flex' to activate */
  background: linear-gradient(135deg, var(--color-accent), #7c3aed);
  color: #fff;
  padding: 0.75rem 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.announcement-banner a {
  color: #fff;
  text-decoration: underline;
  font-weight: 600;
}

.announcement-banner .banner-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  margin-left: 1rem;
  opacity: 0.8;
}

.announcement-banner .banner-close:hover {
  opacity: 1;
}

/* --- Navigation --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.navbar .logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: var(--transition);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
  text-decoration: none;
  gap: 0.5rem;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
}

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

.btn-white:hover {
  background: var(--color-bg-alt);
  color: var(--color-accent-hover);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: 0.8rem;
}

/* --- Cards --- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: #eff6ff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-accent);
  font-size: 1.5rem;
}

.card h3 {
  margin-bottom: 0.5rem;
}

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

/* --- Badge --- */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  background: #eff6ff;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-green {
  background: #ecfdf5;
  color: var(--color-success);
}

.badge-yellow {
  background: #fffbeb;
  color: var(--color-warning);
}

/* --- Hero --- */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.15rem;
  color: var(--color-text-light);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-gradient {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 4rem 0 3rem;
  text-align: center;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-hero p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* --- Trust Bar --- */
.trust-bar {
  padding: 3rem 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.trust-bar p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.trust-logos {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  align-items: center;
}

.trust-logos span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-light);
  opacity: 0.5;
}

/* --- Steps --- */
.steps {
  counter-reset: step;
}

.step {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
}

.step-number {
  counter-increment: step;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.step-content h3 {
  margin-bottom: 0.25rem;
}

.step-content p {
  color: var(--color-text-light);
}

/* --- Testimonial --- */
.testimonial {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.testimonial blockquote {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-role {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* --- Newsletter --- */
.newsletter {
  background: var(--color-primary);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.newsletter h2 {
  color: #fff;
  margin-bottom: 0.75rem;
}

.newsletter p {
  color: #94a3b8;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  max-width: 450px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  border: 1px solid #334155;
  background: #1e293b;
  color: #fff;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-sans);
}

.newsletter-form input[type="email"]::placeholder {
  color: #64748b;
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent);
}

.newsletter-success {
  display: none;
  color: var(--color-success);
  font-weight: 500;
  margin-top: 1rem;
}

/* --- Stats Bar --- */
.stats-bar {
  padding: 3rem 0;
  background: var(--color-primary);
  color: #fff;
}

.stats-bar .grid-4 {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* --- Team --- */
.team-card {
  text-align: center;
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.team-card h3 {
  margin-bottom: 0.25rem;
}

.team-card .role {
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.team-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* --- Pricing --- */
.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card h3 {
  margin-bottom: 0.5rem;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 1rem 0;
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.pricing-features {
  text-align: left;
  margin: 1.5rem 0 2rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
}

/* --- Feature Table --- */
.feature-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
}

.feature-table th,
.feature-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.feature-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-primary);
}

.feature-table td:not(:first-child) {
  text-align: center;
}

/* --- Blog --- */
.blog-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.blog-card-image {
  height: 200px;
  background: linear-gradient(135deg, #1e293b, #334155);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  font-size: 3rem;
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.blog-card-content h3 {
  margin-bottom: 0.5rem;
}

.blog-card-content h3 a {
  color: var(--color-primary);
}

.blog-card-content h3 a:hover {
  color: var(--color-accent);
}

.blog-card-content p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.read-more {
  font-weight: 600;
  font-size: 0.9rem;
}

/* --- Blog Post --- */
.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.blog-post-header {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.blog-post-header h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.blog-post-body h2 {
  margin: 2rem 0 1rem;
  font-size: 1.5rem;
}

.blog-post-body p {
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.blog-post-body ul,
.blog-post-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.blog-post-body li {
  list-style: disc;
  margin-bottom: 0.5rem;
  line-height: 1.7;
  color: var(--color-text);
}

.blog-post-body ol li {
  list-style: decimal;
}

.blog-post-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text);
  font-style: italic;
}

.blog-post-body pre {
  background: var(--color-primary);
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

.blog-post-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--color-bg-alt);
  padding: 0.2em 0.4em;
  border-radius: 4px;
}

.blog-post-body pre code {
  background: none;
  padding: 0;
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

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

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

.form-success {
  display: none;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  margin-top: 1rem;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: #eff6ff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.1rem;
}

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

.contact-info-item strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 0.125rem;
}

/* --- Integration Logos --- */
.integrations {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.integration-badge {
  padding: 0.625rem 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

/* --- Footer --- */
.footer {
  background: var(--color-primary);
  color: #94a3b8;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer h4 {
  color: #fff;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer p {
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer a {
  color: #94a3b8;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.5rem;
}

.footer a:hover {
  color: #fff;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
}

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

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .section, .section-alt { padding: 3rem 0; }
  .hero { padding: 4rem 0 2rem; }

  .nav-links {
    display: none;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .stats-bar .grid-4 {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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