/* ========================================
   Griffalo Solutions - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
  /* Colors - Professional dark/light neutral palette */
  --color-primary: #1a1a2e;
  --color-primary-light: #2d2d44;
  --color-accent: #0f766e;
  --color-accent-hover: #0d9488;
  --color-background: #ffffff;
  --color-background-alt: #f8fafc;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-white: #ffffff;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-sans);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --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);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

h4 {
  font-size: 1.125rem;
}

p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.lead {
  font-size: 1.125rem;
  line-height: 1.7;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1rem;
}

.nav {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-background);
  padding: var(--spacing-lg);
  z-index: 999;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-sm) 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-background-alt);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding-top: calc(72px + var(--spacing-3xl));
  padding-bottom: var(--spacing-3xl);
  background: linear-gradient(180deg, var(--color-background-alt) 0%, var(--color-background) 100%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
}

.hero-trust {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.hero-trust-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.hero-trust-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.hero-trust-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

/* ========================================
   Services Section
   ======================================== */
.services-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

.services-header p {
  margin-top: var(--spacing-sm);
}

.services-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-background-alt);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  margin-bottom: var(--spacing-md);
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.service-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.service-feature-icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.service-link:hover {
  gap: var(--spacing-sm);
}

.service-link-icon {
  width: 16px;
  height: 16px;
}

/* ========================================
   How We Work Section
   ======================================== */
.how-we-work {
  background-color: var(--color-background-alt);
}

.process-steps {
  display: grid;
  gap: var(--spacing-lg);
  counter-reset: step;
}

.process-step {
  display: flex;
  gap: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
}

.step-content h3 {
  margin-bottom: var(--spacing-xs);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background-color: var(--color-background-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand p {
  margin-top: var(--spacing-sm);
  max-width: 300px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  text-align: center;
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.footer-legal {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.footer-legal a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

/* ========================================
   Page Headers
   ======================================== */
.page-header {
  padding-top: calc(72px + var(--spacing-2xl));
  padding-bottom: var(--spacing-2xl);
  background-color: var(--color-background-alt);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Content Sections
   ======================================== */
.content-section {
  padding: var(--spacing-2xl) 0;
}

.content-grid {
  display: grid;
  gap: var(--spacing-2xl);
}

.content-block h2 {
  margin-bottom: var(--spacing-md);
}

.content-block p {
  margin-bottom: var(--spacing-md);
}

.content-block ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.content-block li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
}

.content-block li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  margin-top: 2px;
}

/* ========================================
   About Page
   ======================================== */
.about-intro {
  display: grid;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-image {
  aspect-ratio: 1;
  background-color: var(--color-background-alt);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.about-image-placeholder {
  width: 120px;
  height: 120px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
}

.about-content h2 {
  margin-bottom: var(--spacing-md);
}

.about-content p {
  margin-bottom: var(--spacing-md);
}

.credentials {
  display: grid;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.credential-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.credential-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-background-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.credential-icon svg {
  width: 20px;
  height: 20px;
}

.credential-content h4 {
  margin-bottom: var(--spacing-xs);
}

.credential-content p {
  font-size: 0.9375rem;
  margin: 0;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
  display: grid;
  gap: var(--spacing-2xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-method {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-background-alt);
  border-radius: var(--radius-lg);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-method-icon svg {
  width: 24px;
  height: 24px;
}

.contact-method h4 {
  margin-bottom: var(--spacing-xs);
}

.contact-method p {
  font-size: 0.9375rem;
  margin: 0;
}

.contact-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}

.contact-form h3 {
  margin-bottom: var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--color-background-alt);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer-content {
  padding: 0 var(--spacing-lg) var(--spacing-md);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ========================================
   Privacy Policy
   ======================================== */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  margin-bottom: var(--spacing-md);
}

.legal-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal-content li {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  list-style: disc;
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }

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

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 768px) {
  .nav {
    display: block;
  }

  .mobile-menu-toggle {
    display: none;
  }

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

  .about-intro {
    grid-template-columns: 300px 1fr;
  }

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

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .process-step {
    flex-direction: column;
    text-align: center;
  }

  .step-number {
    margin: 0 auto var(--spacing-md);
  }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.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;
}