/* ===== CreaTec Redesign — Modern Tech ===== */
:root {
  --bg: #0a0e17;
  --bg-elevated: #111827;
  --bg-card: #151c2c;
  --bg-card-hover: #1a2336;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --primary: #06b6d4;
  --primary-hover: #22d3ee;
  --primary-dim: rgba(6, 182, 212, 0.15);
  --accent: #8b5cf6;
  --gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.5);
  --font: "Inter", system-ui, sans-serif;
  --font-display: "Space Grotesk", var(--font);
  --container: 1140px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #0a0e17;
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(6, 182, 212, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn-full { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.header.scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 14, 23, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}
.logo-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--gradient);
  color: #fff;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 700;
}
.logo-text { letter-spacing: -0.02em; }

.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav a:hover { color: var(--primary); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(6, 182, 212, 0.18), transparent),
    radial-gradient(ellipse 50% 40% at 80% 50%, rgba(139, 92, 246, 0.1), transparent),
    radial-gradient(ellipse 40% 30% at 10% 80%, rgba(59, 130, 246, 0.08), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-dim);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 24px;
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.stat {
  text-align: center;
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.stat span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.3s ease;
}
.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--primary-dim);
  border-radius: 12px;
  color: var(--primary);
  margin-bottom: 20px;
}
.service-icon svg { width: 24px; height: 24px; }

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.6;
}
.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

/* ===== About ===== */
.about {
  background: var(--bg-elevated);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.about-content > p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.highlight {
  padding: 16px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
}
.highlight strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--primary);
}
.highlight span {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.value-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.7;
}
.value-card h4 {
  font-size: 1.05rem;
  margin: 8px 0 8px;
}
.value-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ===== Projects ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.25s ease;
}
.project-card:hover {
  border-color: rgba(6, 182, 212, 0.35);
  transform: translateY(-3px);
}

.project-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 12px;
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.project-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ===== Testimonials ===== */
.testimonials {
  background: var(--bg-elevated);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.testimonial p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: var(--text);
  font-style: italic;
}
.testimonial footer {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: normal;
}

/* ===== FAQ ===== */
.faq {
  background: var(--bg);
}
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-item summary {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 400;
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { color: var(--primary); }
.faq-item p {
  padding: 0 22px 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}
a.contact-item:hover { border-color: var(--primary); }
.contact-icon { font-size: 1.25rem; line-height: 1.4; }
.contact-item strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}
.contact-item span:last-child {
  font-size: 0.95rem;
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: 20px;
}
.social-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.social-links a:hover { color: var(--primary); }

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
}

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

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }

.form-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
}
.form-note a {
  color: var(--primary);
  font-weight: 500;
}
.form-note a:hover { text-decoration: underline; }

/* ===== Footer ===== */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--primary); }
.footer-copy p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .services-grid,
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav,
  .header-cta {
    display: none;
  }
  .menu-toggle { display: flex; }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

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

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

  .hero-stats {
    gap: 28px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-links {
    justify-content: center;
  }

  .section { padding: 72px 0; }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn { width: 100%; }
}