/* ================================
   CompanyLab - Main Stylesheet
   Modern, Premium Design System
   ================================ */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Color Palette - Tech-Forward Gradients */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --tech-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);

  /* Solid Colors */
  --color-primary: #667eea;
  --color-primary-dark: #5568d3;
  --color-secondary: #764ba2;
  --color-accent: #4facfe;
  --color-accent-bright: #00f2fe;

  /* Neutrals - Light Theme */
  --color-dark: #1a1a2e;
  --color-dark-lighter: #16213e;
  --color-gray: #6b7280;
  --color-gray-light: #9ca3af;
  --color-light: #f9fafb;
  --color-white: #ffffff;

  /* Dynamic Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #1a1a2e;
  --text-primary: #1a1a2e;
  --text-secondary: #6b7280;
  --border-color: rgba(0, 0, 0, 0.1);
  --card-bg: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.95);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.875rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
  --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 3rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.75rem);

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

  /* Layout */
  --max-width: 1400px;
  --border-radius-sm: 0.5rem;
  --border-radius-md: 1rem;
  --border-radius-lg: 1.5rem;
  --border-radius-xl: 2rem;

  /* 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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --bg-primary: #0f0f1e;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #ffffff;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --border-color: rgba(255, 255, 255, 0.1);
  --card-bg: #1a1a2e;
  --header-bg: rgba(15, 15, 30, 0.95);

  --color-dark: #f9fafb;
  --color-light: #1a1a2e;
  --color-white: #000000;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-light);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--text-4xl);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

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

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.text-center {
  text-align: center;
}

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

.hidden {
  display: none !important;
}

/* Scroll Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

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

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
}

.logo {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  padding: var(--space-xs) 0;
  position: relative;
}

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

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

/* Language Toggle */
.lang-toggle {
  display: flex;
  gap: var(--space-xs);
  background: var(--color-light);
  padding: var(--space-xs);
  border-radius: var(--border-radius-sm);
}

.lang-btn {
  background: transparent;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
}

.lang-btn.active {
  background: var(--primary-gradient);
  color: var(--color-white);
}

/* Theme Toggle */
.theme-toggle {
  background: var(--color-light);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 36px;
  border: none;
  transition: var(--transition-base);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--color-primary);
}

.theme-toggle .theme-icon {
  transition: transform var(--transition-base);
}

.theme-toggle:hover .theme-icon {
  transform: scale(1.2) rotate(20deg);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  padding: var(--space-xs);
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-dark);
  margin: 5px 0;
  transition: var(--transition-base);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--dark-gradient);
  color: #ffffff;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.2) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  33% {
    transform: translate(30px, -30px) rotate(120deg);
  }

  66% {
    transform: translate(-20px, 20px) rotate(240deg);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.hero-text h1 .highlight {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xl);
  color: var(--color-gray-light);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-base);
  text-align: center;
  transition: var(--transition-base);
}

.btn-primary {
  background: var(--tech-gradient);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  width: 100%;
  max-width: 500px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--color-white);
}

.about-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--space-sm);
}

.about-text .subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray);
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.about-text p {
  color: var(--color-gray);
  line-height: 1.8;
}

.founders {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 2px solid var(--color-light);
}

.founder {
  margin-bottom: var(--space-lg);
}

.founder h4 {
  margin-bottom: var(--space-xs);
}

.founder-title {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.founder p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-visual img {
  width: 100%;
  max-width: 400px;
  filter: drop-shadow(var(--shadow-xl));
}

/* ===== SERVICES SECTION ===== */
.services {
  background: var(--color-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-gray);
  max-width: 700px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-md);
  color: var(--color-white);
  font-size: 1.5rem;
}

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

.service-card p {
  color: var(--color-gray);
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
}

.service-features {
  list-style: none;
}

.service-features li {
  padding: var(--space-xs) 0;
  color: var(--color-gray);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.service-features li::before {
  content: '→';
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* ===== INDUSTRIES SECTION ===== */
.industries {
  background: var(--color-white);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.industry-card {
  background: var(--color-light);
  padding: var(--space-lg);
  border-radius: var(--border-radius-md);
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.industry-card:hover {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.industry-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.industry-card h4 {
  margin-bottom: 0;
  font-size: var(--text-base);
}

/* ===== WHY CHOOSE US SECTION ===== */
.why-choose {
  background: var(--dark-gradient);
  color: #ffffff;
}

.why-choose .section-header h2,
.why-choose .section-header p {
  color: #ffffff;
}

.features-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  list-style: none;
}

.feature-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(8px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tech-gradient);
  color: #000000;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.feature-text h4 {
  margin-bottom: var(--space-xs);
  font-size: var(--text-base);
}

.feature-text p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-gray-light);
}

/* ===== TEAM SECTION ===== */
.team {
  background: var(--color-light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
  position: relative;
}

.team-info h4 {
  margin-bottom: var(--space-xs);
}

.team-role {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
}

.team-bio {
  color: var(--color-gray);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.team-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light);
  border-radius: 50%;
  color: var(--color-primary);
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--primary-gradient);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--color-white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  max-width: 1100px;
  margin: 0 auto;
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-methods {
  list-style: none;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  background: var(--color-light);
  border-radius: var(--border-radius-md);
  transition: var(--transition-base);
}

.contact-method:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  border-radius: 50%;
  color: var(--color-white);
  flex-shrink: 0;
}

.contact-method-details h5 {
  margin-bottom: var(--space-xs);
  font-size: var(--text-base);
}

.contact-method-details a {
  color: var(--color-primary);
  font-size: var(--text-sm);
}

.contact-method-details a:hover {
  text-decoration: underline;
}

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

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-weight: var(--font-weight-medium);
  font-size: var(--text-sm);
  color: var(--color-dark);
}

.form-group input,
.form-group textarea {
  padding: var(--space-sm);
  border: 2px solid var(--color-light);
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: var(--text-base);
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.btn-submit {
  background: var(--primary-gradient);
  color: var(--color-white);
  padding: var(--space-md) var(--space-xl);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-light);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.footer-section h5 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-section p {
  margin-bottom: var(--space-sm);
  font-size: var(--text-sm);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  color: var(--color-gray-light);
  font-size: var(--text-sm);
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: var(--space-xs);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition-base);
}

.social-links a:hover {
  background: var(--primary-gradient);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-base);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-cta {
    justify-content: center;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .about-visual {
    order: -1;
  }

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

  .services-grid,
  .industries-grid,
  .features-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}