/**
 * TecnoMax Global Styles v2.0
 * Tech-Industrial Premium Theme
 * Fonts: Syne (headings) + IBM Plex Sans (body) + Roboto Mono (code)
 */

/* ============================================
   IMPORT GOOGLE FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700&family=Roboto+Mono:wght@400;600&family=Oxanium:wght@200;400;600;700;800&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Colors - Backgrounds */
  --color-bg-primary: #0a0e27;
  --color-bg-secondary: #121b3d;
  --color-bg-tertiary: #1a2850;

  /* Colors - Accents */
  --color-accent-cyan: #00d9ff;
  --color-accent-purple: #7c3aed;
  --color-accent-gold: #fbbf24;
  --color-accent-green: #10b981;
  --color-accent-red: #ef4444;

  /* Colors - Text */
  --color-text-primary: #f0f4f8;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary: #64748b;

  /* Typography */
  --font-heading: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;

  /* Font Sizes */
  --fs-h1: 3.5rem;
  --fs-h2: 2.5rem;
  --fs-h3: 2rem;
  --fs-h4: 1.5rem;
  --fs-h5: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* Spacing */
  --sp-xs: 0.25rem;
  --sp-sm: 0.5rem;
  --sp-md: 1rem;
  --sp-lg: 1.5rem;
  --sp-xl: 2rem;
  --sp-2xl: 3rem;
  --sp-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-elastic: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-cyan: 0 0 30px rgba(0, 217, 255, 0.3);
  --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.3);
}

/* Mobile adjustments */
@media (max-width: 640px) {
  :root {
    --fs-h1: 2rem;
    --fs-h2: 1.5rem;
    --fs-h3: 1.25rem;
    --fs-h4: 1.125rem;
    --fs-body: 0.875rem;
    --fs-small: 0.75rem;
    --sp-md: 0.75rem;
    --sp-lg: 1rem;
  }
}

/* Tablet adjustments */
@media (min-width: 640px) and (max-width: 1023px) {
  :root {
    --fs-h1: 2.5rem;
    --fs-h2: 1.875rem;
    --fs-h3: 1.5rem;
    --fs-body: 0.9375rem;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
}

@media (max-width: 640px) {
  html {
    font-size: 14px;
  }
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-lg);
  color: var(--color-text-primary);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
h5 { font-size: var(--fs-h5); }
h6 { font-size: var(--fs-body); }

p {
  margin-bottom: var(--sp-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

small {
  font-size: var(--fs-small);
  color: var(--color-text-tertiary);
}

code,
pre {
  font-family: var(--font-mono);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-bg-tertiary);
  color: var(--color-accent-cyan);
  border-radius: var(--radius-md);
  padding: var(--sp-sm) var(--sp-md);
  font-size: 0.875rem;
}

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

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

/* ============================================
   IMAGES
   ============================================ */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

img[loading="lazy"] {
  background-color: var(--color-bg-secondary);
}

/* ============================================
   BUTTONS
   ============================================ */
button,
a.btn,
input[type="submit"],
input[type="button"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
  position: relative;
  overflow: hidden;
}

button:disabled,
input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button - Cyan Glow */
.btn-primary,
button.primary {
  background-color: var(--color-accent-cyan);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-cyan);
}

.btn-primary:hover,
button.primary:hover {
  background-color: var(--color-accent-cyan);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active,
button.primary:active {
  transform: translateY(0);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

/* Secondary Button - Purple Fill */
.btn-secondary,
button.secondary {
  background-color: transparent;
  border: 2px solid var(--color-accent-purple);
  color: var(--color-accent-purple);
}

.btn-secondary:hover,
button.secondary:hover {
  background-color: var(--color-accent-purple);
  color: white;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
}

.btn-secondary:active,
button.secondary:active {
  transform: translateY(0);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  border: none;
  color: var(--color-accent-cyan);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.btn-ghost:hover {
  color: var(--color-accent-purple);
  text-decoration-color: var(--color-accent-purple);
}

/* Icon Buttons */
.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

/* WhatsApp Button */
.btn-whatsapp {
  background-color: var(--color-accent-green);
  color: white;
  border-color: var(--color-accent-green);
}

.btn-whatsapp:hover {
  background-color: #059669;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.4);
  transform: translateY(-2px);
}

/* ============================================
   FORMS
   ============================================ */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: var(--sp-md);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  background-color: var(--color-bg-secondary);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

label {
  display: block;
  margin-bottom: var(--sp-sm);
  color: var(--color-text-primary);
  font-weight: 500;
  font-size: var(--fs-small);
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--sp-md);
  }
}

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

.grid-cols-1 { grid-template-columns: 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 (max-width: 640px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.mt { margin-top: var(--sp-lg); }
.mb { margin-bottom: var(--sp-lg); }
.my { margin-top: var(--sp-lg); margin-bottom: var(--sp-lg); }

.section {
  padding: var(--sp-3xl) var(--sp-lg);
}

@media (max-width: 640px) {
  .section {
    padding: var(--sp-2xl) var(--sp-md);
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  body {
    background: white;
    color: black;
  }

  a {
    text-decoration: underline;
  }

  .no-print,
  header,
  footer {
    display: none;
  }
}