/* ===============================================
   Pyrobyte - Apple-Inspired Design System
   =============================================== */

:root {
  /* ===== Colors ===== */
  --color-ink: #1d1d1f;
  --color-graphite: #707070;
  --color-slate: #474747;
  --color-ash: #333333;
  --color-fog: #f5f5f7;
  --color-snow: #ffffff;
  --color-obsidian: #000000;
  --color-silver-mist: #e8e8ed;
  --color-azure: #0071e3;
  --color-cobalt-link: #0066cc;
  --color-caution: #b64400;

  /* ===== Typography ===== */
  --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, sans-serif;
  --font-text: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, sans-serif;

  /* Typography Scale */
  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 17px;
  --text-subheading: 20px;
  --text-heading-sm: 24px;
  --text-heading: 40px;
  --text-heading-lg: 56px;
  --text-display: 96px;

  /* Line Heights */
  --leading-caption: 1.33;
  --leading-body-sm: 1.43;
  --leading-body: 1.47;
  --leading-subheading: 1.4;
  --leading-heading-sm: 1.29;
  --leading-heading: 1.17;
  --leading-heading-lg: 1.07;
  --leading-display: 1.04;

  /* Letter Spacing */
  --tracking-caption: -0.26px;
  --tracking-body-sm: -0.04px;
  --tracking-body: -0.1px;
  --tracking-subheading: -0.2px;
  --tracking-heading-sm: -0.36px;
  --tracking-heading: -0.6px;
  --tracking-heading-lg: -0.9px;
  --tracking-display: -2.11px;

  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* ===== Spacing ===== */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-28: 28px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-44: 44px;
  --spacing-48: 48px;
  --spacing-52: 52px;
  --spacing-76: 76px;
  --spacing-80: 80px;
  --spacing-120: 120px;
  --spacing-144: 144px;

  /* ===== Border Radius ===== */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-full: 999px;

  /* ===== Layout ===== */
  --page-max-width: 1200px;
  --section-gap-sm: 60px;
  --section-gap: 80px;
  --section-gap-lg: 120px;

  /* ===== Transitions ===== */
  --transition-fast: 0.1s ease;
  --transition-base: 0.344s ease;
  --transition-slow: 0.5s ease;
}

/* ===== Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-text);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-ink);
  background-color: var(--color-fog);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography Classes ===== */
.text-display {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
}

.text-heading-lg {
  font-family: var(--font-display);
  font-size: var(--text-heading-lg);
  font-weight: var(--font-bold);
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
}

.text-heading {
  font-family: var(--font-display);
  font-size: var(--text-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.text-heading-sm {
  font-family: var(--font-display);
  font-size: var(--text-heading-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
}

.text-subheading {
  font-family: var(--font-text);
  font-size: var(--text-subheading);
  font-weight: var(--font-light);
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
}

.text-body {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
}

.text-body-sm {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  letter-spacing: var(--tracking-body-sm);
}

/* ===== Navigation ===== */
.apple-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(251, 251, 253, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-silver-mist);
  transition: all var(--transition-base);
}

.apple-nav-container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-12) var(--spacing-40);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.apple-nav-logo img {
  height: 44px;
  transition: opacity var(--transition-fast);
}

.apple-nav-logo img:hover {
  opacity: 0.7;
}

.apple-nav-links {
  display: flex;
  gap: var(--spacing-32);
  list-style: none;
  margin: 0;
}

.apple-nav-link {
  font-size: var(--text-body-sm);
  font-weight: var(--font-regular);
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.apple-nav-link:hover {
  color: var(--color-azure);
}

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

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

/* ===== Hero Section ===== */
.apple-hero {
  background-color: var(--color-fog);
  padding: var(--spacing-120) var(--spacing-40) var(--spacing-80);
  text-align: center;
  overflow: hidden;
}

.apple-hero-container {
  max-width: var(--page-max-width);
  margin: 0 auto;
}

.apple-hero-eyebrow {
  font-size: var(--text-heading-sm);
  font-weight: var(--font-semibold);
  color: var(--color-graphite);
  margin-bottom: var(--spacing-16);
  letter-spacing: var(--tracking-heading-sm);
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.apple-hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, var(--text-display));
  font-weight: var(--font-bold);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
  margin-bottom: var(--spacing-24);
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.apple-hero-subtitle {
  font-size: var(--text-subheading);
  font-weight: var(--font-light);
  color: var(--color-graphite);
  max-width: 600px;
  margin: 0 auto var(--spacing-40);
  line-height: var(--leading-subheading);
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.apple-hero-cta {
  display: inline-flex;
  gap: var(--spacing-16);
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

/* ===== Buttons ===== */
.apple-btn {
  display: inline-block;
  padding: var(--spacing-12) var(--spacing-24);
  border-radius: var(--radius-full);
  font-size: var(--text-body);
  font-weight: var(--font-regular);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  font-family: var(--font-text);
}

.apple-btn-primary {
  background-color: var(--color-azure);
  color: var(--color-snow);
}

.apple-btn-primary:hover {
  background-color: #0077ED;
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0, 113, 227, 0.25);
}

.apple-btn-secondary {
  background-color: transparent;
  color: var(--color-azure);
  border: 1px solid var(--color-azure);
}

.apple-btn-secondary:hover {
  background-color: var(--color-azure);
  color: var(--color-snow);
  transform: translateY(-1px);
}

.apple-btn-large {
  padding: var(--spacing-16) var(--spacing-32);
  font-size: var(--text-heading-sm);
}

/* ===== Feature Cards ===== */
.apple-card {
  background-color: var(--color-snow);
  border-radius: var(--radius-lg);
  padding: var(--spacing-48);
  transition: transform var(--transition-base);
  box-shadow: none;
  border: none;
}

.apple-card:hover {
  transform: translateY(-4px);
}

.apple-card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-24);
  opacity: 0.9;
}

.apple-card-title {
  font-size: var(--text-heading-sm);
  font-weight: var(--font-semibold);
  color: var(--color-ink);
  margin-bottom: var(--spacing-16);
  letter-spacing: var(--tracking-heading-sm);
}

.apple-card-description {
  font-size: var(--text-body);
  color: var(--color-graphite);
  line-height: 1.6;
}

/* ===== Section Styles ===== */
.apple-section {
  padding: var(--section-gap) var(--spacing-40);
  max-width: var(--page-max-width);
  margin: 0 auto;
}

.apple-section-header {
  text-align: center;
  margin-bottom: var(--spacing-76);
}

.apple-section-eyebrow {
  font-size: var(--text-body-sm);
  font-weight: var(--font-semibold);
  color: var(--color-azure);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-12);
}

.apple-section-title {
  font-size: clamp(32px, 5vw, var(--text-heading-lg));
  font-weight: var(--font-bold);
  color: var(--color-ink);
  margin-bottom: var(--spacing-20);
  letter-spacing: var(--tracking-heading-lg);
}

.apple-section-subtitle {
  font-size: var(--text-subheading);
  color: var(--color-graphite);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ===== Grid Layouts ===== */
.apple-grid {
  display: grid;
  gap: var(--spacing-24);
}

.apple-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.apple-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.apple-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ===== Footer ===== */
.apple-footer {
  background-color: var(--color-fog);
  border-top: 1px solid var(--color-silver-mist);
  padding: var(--spacing-52) var(--spacing-40) var(--spacing-32);
}

.apple-footer-container {
  max-width: var(--page-max-width);
  margin: 0 auto;
}

.apple-footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-32);
  list-style: none;
  margin-bottom: var(--spacing-32);
  flex-wrap: wrap;
}

.apple-footer-link {
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.apple-footer-copyright {
  text-align: center;
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Form Styles ===== */
.apple-form-group {
  margin-bottom: var(--spacing-24);
}

.apple-input,
.apple-textarea {
  width: 100%;
  padding: var(--spacing-16) var(--spacing-20);
  border: 1px solid var(--color-silver-mist);
  border-radius: var(--radius-sm);
  font-size: var(--text-body);
  font-family: var(--font-text);
  color: var(--color-ink);
  background-color: var(--color-snow);
  transition: all var(--transition-fast);
}

.apple-input:focus,
.apple-textarea:focus {
  outline: none;
  border-color: var(--color-azure);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.apple-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ===== Captcha Styles ===== */
/* Imagen del captcha */
.apple-form-group img.captcha {
  display: inline-block !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--color-silver-mist) !important;
  height: 50px !important;
  width: auto !important;
  flex-shrink: 0 !important;
  vertical-align: middle !important;
}

/* Input de texto del captcha */
.apple-form-group #id_captcha_1 {
  flex: 1 !important;
  padding: var(--spacing-12) var(--spacing-20) !important;
  border: 1px solid var(--color-silver-mist) !important;
  border-radius: var(--radius-sm) !important;
  font-size: var(--text-body) !important;
  font-family: var(--font-text) !important;
  color: var(--color-ink) !important;
  background-color: var(--color-snow) !important;
  transition: all var(--transition-fast) !important;
  box-sizing: border-box !important;
  display: inline-block !important;
  vertical-align: middle !important;
}

.apple-form-group #id_captcha_1:focus {
  outline: none !important;
  border-color: var(--color-azure) !important;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1) !important;
}

/* Input hidden del captcha */
.apple-form-group #id_captcha_0 {
  display: none !important;
}

/* ===== Mac-Style Gradients ===== */
.gradient-blue {
  background: linear-gradient(135deg, #4A90E2 0%, #7B68EE 100%);
}

.gradient-green {
  background: linear-gradient(135deg, #50C878 0%, #00D084 100%);
}

.gradient-red {
  background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
}

.gradient-purple {
  background: linear-gradient(135deg, #A78BFA 0%, #EC4899 100%);
}

.gradient-orange {
  background: linear-gradient(135deg, #FFA500 0%, #FFD700 100%);
}

.gradient-cyan {
  background: linear-gradient(135deg, #00CED1 0%, #20B2AA 100%);
}

.gradient-teal {
  background: linear-gradient(135deg, #14B8A6 0%, #22D3EE 100%);
}

.gradient-pink {
  background: linear-gradient(135deg, #F472B6 0%, #FB7185 100%);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  :root {
    --text-display: 56px;
    --text-heading-lg: 40px;
    --text-heading: 32px;
  }

  .apple-nav-container {
    padding: var(--spacing-12) var(--spacing-20);
  }

  .apple-nav-links {
    gap: var(--spacing-20);
  }

  .apple-hero {
    padding: var(--spacing-76) var(--spacing-20) var(--spacing-52);
  }

  .apple-section {
    padding: var(--section-gap-sm) var(--spacing-20);
  }

  .apple-card {
    padding: var(--spacing-32);
  }

  .apple-grid {
    gap: var(--spacing-16);
  }
}

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

  .apple-btn {
    width: 100%;
    text-align: center;
  }

  .apple-footer-links {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-16);
  }
}

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

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-8); }
.mb-2 { margin-bottom: var(--spacing-16); }
.mb-3 { margin-bottom: var(--spacing-24); }
.mb-4 { margin-bottom: var(--spacing-32); }
.mb-5 { margin-bottom: var(--spacing-48); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-8); }
.mt-2 { margin-top: var(--spacing-16); }
.mt-3 { margin-top: var(--spacing-24); }
.mt-4 { margin-top: var(--spacing-32); }
.mt-5 { margin-top: var(--spacing-48); }

.color-primary { color: var(--color-azure); }
.color-secondary { color: var(--color-graphite); }
.color-ink { color: var(--color-ink); }

.bg-fog { background-color: var(--color-fog); }
.bg-snow { background-color: var(--color-snow); }
.bg-dark { background-color: var(--color-ink); }