/* ==========================================================================
   Fort Lee AI - Landing Page Styles
   Design: Minimalist, Mobile-first, WCAG AA compliant
   ========================================================================== */

/* CSS Custom Properties */
:root {
  /* Colors - Orange accent (company brand) */
  --color-primary: #F97316;
  --color-primary-hover: #EA580C;
  --color-primary-light: rgba(249, 115, 22, 0.1);

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-600: #4B5563;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing */
  --section-padding-y: 5rem;
  --section-padding-x: 2rem;
  --max-content-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0 var(--section-padding-x);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-primary:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-padding-y) var(--section-padding-x);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(248,250,252,0.92) 100%),
    url(/assets/bg_tile.png-4cc522cdd237110dc5d11b74b819c7f5b4a764834cb4f82700ae3640dc7c14e7.png) repeat;
  background-size: auto, 400px;
  position: relative;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-logo-img {
  height: 2.5rem;
  width: auto;
}

.hero-logo-text {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.hero-headline {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 1000px;
}

.hero-subheadline {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-gray-600);
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

.hero-cta {
  margin-top: 1rem;
}

/* ==========================================================================
   Team / About Section
   ========================================================================== */
.team {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-white);
}

.team-header {
  text-align: center;
  margin-bottom: 3rem;
}

.team-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

.team-bios {
  max-width: 700px;
  margin: 0 auto;
}

.team-member {
  padding: 1.5rem;
  text-align: center;
}

.team-member-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.25rem;
}

.team-member-role {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.team-member-bio {
  font-size: 1rem;
  color: var(--color-gray-600);
  line-height: 1.7;
  text-align: left;
}

/* ==========================================================================
   Expertise Section
   ========================================================================== */
.expertise {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-gray-50);
}

.expertise-header {
  text-align: center;
  margin-bottom: 3rem;
}

.expertise-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

.expertise-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.expertise-card {
  background-color: var(--color-white);
  border-radius: 0.75rem;
  padding: 1.5rem 2rem;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.expertise-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.expertise-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.expertise-card-desc {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */
.pricing {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-white);
}

.pricing-header {
  text-align: center;
  margin-bottom: 3rem;
}

.pricing-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background-color: var(--color-gray-50);
  border-radius: 0.75rem;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

.pricing-card-tier {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 1rem;
}

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

.pricing-card-unit {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-gray-600);
}

.pricing-card-details {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  line-height: 1.5;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
  padding: var(--section-padding-y) var(--section-padding-x);
  background-color: var(--color-gray-50);
}

.contact-header {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray-800);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  border: 1px solid #D1D5DB;
  border-radius: 0.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

.contact-feedback {
  margin-top: 1rem;
  font-size: 0.95rem;
  min-height: 1.5rem;
}

.contact-feedback-success {
  color: #16A34A;
}

.contact-feedback-error {
  color: #DC2626;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: 3rem var(--section-padding-x);
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.footer-content {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-email {
  color: var(--color-white);
  font-size: 1rem;
  transition: color 0.2s;
}

.footer-email:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #9CA3AF;
}

/* ==========================================================================
   Responsive - Tablet (640px - 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --section-padding-y: 4rem;
  }

  .hero-headline {
    font-size: 2.5rem;
  }

  .hero-subheadline {
    font-size: 1.125rem;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .expertise-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   Responsive - Mobile (<640px)
   ========================================================================== */
@media (max-width: 640px) {
  :root {
    --section-padding-y: 3rem;
    --section-padding-x: 1.5rem;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-logo-img {
    height: 1.75rem;
  }

  .hero-logo-text {
    font-size: 1.75rem;
  }

  .hero-headline {
    font-size: 2rem;
  }

  .hero-subheadline {
    font-size: 1rem;
  }

  .team-title,
  .expertise-title,
  .pricing-title,
  .contact-title {
    font-size: 1.75rem;
  }

  .team-member {
    padding: 1rem 0;
  }

  .team-member-name {
    font-size: 1.25rem;
  }

  .expertise-cards {
    grid-template-columns: 1fr;
  }

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

  .pricing-card-price {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
  }

  .footer-content {
    gap: 2rem;
  }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.5s ease-out forwards;
}