/* TechProfessionals – Custom Theme
   Color palette: Teal primary, slate neutrals, amber accent */

:root {
  /* Primary & accent */
  --color-primary: #0d9488;
  --color-primary-dark: #0f766e;
  --color-primary-light: #5eead4;
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;

  /* Neutrals */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-elevated: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;

  /* Typography */
  --font-sans: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --font-display: "Outfit", "DM Sans", sans-serif;

  /* Spacing & radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
}

.logo-part {
  transition: color 0.2s;
}

.logo-part--tech {
  color: var(--color-primary-dark);
}

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

.logo:hover .logo-part--tech {
  color: var(--color-primary);
}

.logo:hover .logo-part--pro {
  color: var(--color-accent-hover);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.5rem;
}

.nav-list a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  transition: color 0.2s, background 0.2s;
}

.nav-list a:hover {
  color: var(--color-primary);
  background: var(--color-surface-elevated);
}

.nav-list .cta-primary {
  color: #ffffff !important;
  font-weight: 700;
  font-size: 1rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-list .cta-primary:hover {
  color: #ffffff !important;
  background: var(--color-primary-dark);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
  color: #ffffff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  letter-spacing: 0.01em;
}

.cta-primary:hover {
  background: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-1px);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary);
  background: transparent;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

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

.cta-accent {
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
}

.cta-accent:hover {
  background: var(--color-accent-hover);
  color: #fff;
  box-shadow: 0 4px 8px rgba(217, 119, 6, 0.4);
}

/* Sections */
.section {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.65;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

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

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.375rem;
  font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

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

/* Footer */
.site-footer {
  background: var(--color-text);
  color: var(--color-text-light);
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
  margin-bottom: 1.5rem;
}

.footer-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9375rem;
}

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

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Utility */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }

/* Illustration containers */
.illustration-wrap {
  position: relative;
  overflow: hidden;
}

.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 148, 136, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 148, 136, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-list {
    justify-content: center;
  }

  .section {
    padding: 3rem 1rem;
  }
}