/* Verrons Labs Main Stylesheet */
/* Responsive, accessible design with purple/blue/white palette */

/* Color Palette (from specification) */
:root {
  --color-purple: #7C3AED;
  --color-purple-light: #C4B5FD;
  --color-blue: #3B82F6;
  --color-white: #FFFFFF;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-bg: #F9FAFB;
  --color-border: #E5E7EB;
  --color-success: #10B981;
  --color-error: #EF4444;

  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-family-mono: 'Monaco', 'Courier New', monospace;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --line-height-base: 1.6;

  /* Spacing (8px base unit) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Breakpoints */
  --breakpoint-mobile: 320px;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
  --breakpoint-wide: 1280px;

  /* Sizing for hero avatar (from specification) */
  --avatar-size-mobile: 240px;
  --avatar-size-tablet: 400px;
  --avatar-size-desktop: 500px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Reset and normalize */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 2.5rem;  /* 40px */
  color: var(--color-purple);
}

h2 {
  font-size: 2rem;  /* 32px */
  color: var(--color-purple);
}

h3 {
  font-size: 1.5rem;  /* 24px */
  color: var(--color-text);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-purple);
  text-decoration: underline;
}

/* Container for responsive layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header and Navigation */
header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-purple);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-purple);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-bg) 100%);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.hero-text {
  max-width: 800px;
}

.hero-text h1 {
  margin-bottom: var(--space-lg);
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--color-text-light);
}

.hero-avatar {
  width: var(--avatar-size-mobile);
  height: var(--avatar-size-mobile);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background-color: var(--color-purple-light);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  alt: "Company avatar";
}

/* Main content */
main {
  padding: var(--space-2xl) 0;
  min-height: calc(100vh - 200px);
}

section {
  margin-bottom: var(--space-2xl);
}

/* Footer */
footer {
  background-color: var(--color-purple);
  color: var(--color-white);
  padding: var(--space-2xl) 0;
  text-align: center;
  margin-top: var(--space-2xl);
}

footer a {
  color: var(--color-purple-light);
}

footer a:hover {
  color: var(--color-white);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-purple);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  background-color: var(--color-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-purple);
}

/* Forms */
input, textarea, select {
  font-family: var(--font-family-base);
  font-size: 1rem;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-text);
  transition: border-color 0.2s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-blue);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* RESPONSIVE DESIGN */

/* Tablet (768px and up) */
@media (min-width: 768px) {
  :root {
    --font-size-base: 17px;
  }

  h1 {
    font-size: 3rem;  /* 48px */
  }

  h2 {
    font-size: 2.25rem;  /* 36px */
  }

  .nav-links {
    gap: var(--space-2xl);
  }

  .hero-avatar {
    width: var(--avatar-size-tablet);
    height: var(--avatar-size-tablet);
  }

  .hero-content {
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }

  .hero-text {
    text-align: left;
  }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
  :root {
    --font-size-base: 18px;
  }

  h1 {
    font-size: 3.5rem;  /* 56px */
  }

  h2 {
    font-size: 2.5rem;  /* 40px */
  }

  .hero-avatar {
    width: var(--avatar-size-desktop);
    height: var(--avatar-size-desktop);
  }

  .container {
    padding: 0 var(--space-lg);
  }
}

/* Founder profiles */
.founders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
}

.founder {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.founder-image {
  display: flex;
  justify-content: center;
}

.founder-image img {
  width: 100%;
  max-width: 280px;
  height: 400px;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.15);
}

.founder-content p {
  margin: var(--space-md) 0;
  line-height: 1.7;
}

.founder-content h3 {
  font-size: 1.5rem;
  margin: 0 0 var(--space-sm) 0;
  color: var(--color-text);
}

.founder-content strong {
  color: var(--color-purple);
}

.founder-content a {
  color: var(--color-blue);
  text-decoration: none;
  font-weight: 500;
}

.founder-content a:hover {
  text-decoration: underline;
}

.divider {
  height: 2px;
  background: var(--color-purple);
  margin: var(--space-xl) 0;
  opacity: 0.1;
}

/* Mobile optimizations */
@media (max-width: 767px) {
  .hero-content {
    flex-direction: column-reverse;  /* Avatar above text on mobile */
  }

  .nav-links {
    gap: var(--space-md);
    font-size: 0.9rem;
  }

  h1 {
    font-size: 1.75rem;  /* 28px */
  }

  h2 {
    font-size: 1.5rem;  /* 24px */
  }

  .container {
    padding: 0 var(--space-md);
  }

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

  .founder-image img {
    max-width: 200px;
    height: auto;
  }
}

/* Tablet and desktop - side-by-side layout */
@media (min-width: 768px) {
  .founder-profile {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
    margin: var(--space-xl) 0;
  }

  .founder-profile--alternate {
    grid-template-columns: 1fr 1fr;
  }

  .founder-profile--alternate .founder-image {
    order: 2;
  }

  .founder-profile--alternate .founder-content {
    order: 1;
  }

  .founder-image {
    max-width: 100%;
  }

  .founder-image img {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 2 / 3;
    height: auto;
    object-fit: contain;
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.15);
  }

  .founder-content {
    text-align: left;
  }

  .founder-content h3 {
    font-size: 1.75rem;
    margin: 0 0 var(--space-sm) 0;
  }
}

/* Services grid and cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-card h3 {
  color: var(--color-purple);
  margin-bottom: 0;
}

.badge {
  display: inline-block;
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-purple);
  background: var(--color-purple-light);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  align-self: flex-start;
}

/* Product hero (products page) */
.product-hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
  align-items: center;
}

.product-hero-image {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.product-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-md);
}

.product-hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .product-hero {
    flex-direction: row;
    align-items: flex-start;
  }

  .product-hero-image {
    width: 240px;
    height: 240px;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }

  a {
    color: black;
  }

  header, footer, .nav-links {
    display: none;
  }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #F3F4F6;
    --color-text-light: #D1D5DB;
    --color-bg: #1F2937;
    --color-white: #111827;
    --color-border: #374151;
  }

  a {
    color: var(--color-purple-light);
  }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}