/*
 * DUODRIVEN Main Stylesheet
 * Full-Stack Growth Engineering
 * Base styles, resets, and utilities
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ============================================
 * CSS RESET & BASE
 * ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Hide scrollbar but allow scrolling */
body::-webkit-scrollbar {
  width: 8px;
}

body::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

body::-webkit-scrollbar-thumb {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
}

body::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-blue);
}

/* Selection */
::selection {
  background: var(--color-accent-blue);
  color: var(--color-text-primary);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* ============================================
 * TYPOGRAPHY BASE
 * ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-cyan);
}

strong, b {
  font-weight: var(--font-semibold);
}

em, i {
  font-style: italic;
}

code, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background: var(--color-bg-tertiary);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
}

pre {
  background: var(--color-bg-secondary);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

/* ============================================
 * LINKS & LISTS
 * ============================================ */

ul, ol {
  list-style: none;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
 * LAYOUT UTILITIES
 * ============================================ */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

.section {
  padding: var(--space-16) 0;
}

@media (min-width: 1024px) {
  .section {
    padding: var(--space-24) 0;
  }
}

/* Section Padding - consistent spacing for all sections */
.section-padding {
  padding: 80px 0;
}

@media (min-width: 768px) {
  .section-padding {
    padding: 100px 0;
  }
}

@media (min-width: 1024px) {
  .section-padding {
    padding: 120px 0;
  }
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

/* Color utilities */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-accent { color: var(--color-accent-blue); }
.text-cyan { color: var(--color-accent-cyan); }
.text-purple { color: var(--color-accent-purple); }
.text-emerald { color: var(--color-accent-emerald); }

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

.gradient-text-animated {
  background: linear-gradient(135deg, #3B82F6 0%, #06B6D4 25%, #8B5CF6 50%, #3B82F6 75%, #06B6D4 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s linear infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* Spacing utilities */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

/* Display utilities */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

@media (min-width: 768px) {
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
}

@media (min-width: 1024px) {
  .lg\:hidden { display: none; }
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
}

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Width/Height utilities */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Border radius */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Cursor */
.cursor-pointer { cursor: pointer; }

/* Pointer events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* ============================================
 * BACKGROUND EFFECTS
 * ============================================ */

/* Grid pattern background */
.bg-grid {
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.bg-grid-animated {
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { background-position: 0 0; }
  100% { background-position: 50px 50px; }
}

/* Gradient overlay */
.bg-gradient-radial {
  background: var(--gradient-radial);
}

/* Noise texture */
.bg-noise {
  position: relative;
}

.bg-noise::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
}

/* ============================================
 * VISIBILITY
 * ============================================ */

.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;
}

/* ============================================
 * TRANSITIONS
 * ============================================ */

.transition-all {
  transition: all var(--transition-normal);
}

.transition-colors {
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.transition-transform {
  transition: transform var(--transition-normal);
}

.transition-opacity {
  transition: opacity var(--transition-normal);
}

/* ============================================
 * ANIMATION UTILITIES (for GSAP init states)
 * ============================================ */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
}

.fade-down {
  opacity: 0;
  transform: translateY(-30px);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
}

.scale-up {
  opacity: 0;
  transform: scale(0.9);
}
/* ============================================
 * HERO SECTION
 * ============================================ */

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  padding-bottom: 60px; /* Space for ticker */
}

.hero #particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero .bg-gradient-radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--color-bg-primary) 70%);
  z-index: 2;
}

/* Padding utilities for hero */
.pt-20 { padding-top: 5rem; }
.pb-32 { padding-bottom: 8rem; }

@media (min-width: 1024px) {
  .lg\:pt-32 { padding-top: 8rem; }
  .lg\:pb-40 { padding-bottom: 10rem; }
}

/* ============================================
 * WHATSAPP FLOATING BUTTON
 * ============================================ */

.whatsapp-float {
  position: fixed;
  bottom: 100px;
  right: 25px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 
    0 4px 20px rgba(37, 211, 102, 0.4),
    0 0 0 0 rgba(37, 211, 102, 0.5);
  z-index: 999;
  transition: all 0.3s ease;
  animation: whatsapp-pulse 2s infinite;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 
    0 6px 30px rgba(37, 211, 102, 0.5),
    0 0 0 0 rgba(37, 211, 102, 0.5);
}

.whatsapp-float:active {
  transform: scale(0.95);
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 
      0 4px 20px rgba(37, 211, 102, 0.4),
      0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    box-shadow: 
      0 4px 20px rgba(37, 211, 102, 0.4),
      0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 
      0 4px 20px rgba(37, 211, 102, 0.4),
      0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Responsive positioning - above chat widget */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 90px;
    right: 15px;
    width: 50px;
    height: 50px;
  }
  
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}