/* ==========================================================================
   HMFK Business Solutions LLC - Modern Presentation Card Styles
   WHITE PAGE BACKGROUND WITH EXECUTIVE DARK CARD
   Official Colors extracted from LOGOTIPO HMFK BUSINESS SOLUTIONS LLC.ai
   - HMFK Signature Orange: #EA6037
   - Executive Slate Charcoal: #54585A / #2B2B2A
   - Crisp White: #FFFFFF
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --brand-orange: #EA6037;
  --brand-orange-light: #FF825C;
  --brand-orange-dark: #C9461E;
  --brand-orange-gradient: linear-gradient(135deg, #FF7B54 0%, #EA6037 50%, #C8441E 100%);
  --brand-orange-glow: rgba(234, 96, 55, 0.28);
  
  --brand-slate: #54585A;
  --brand-charcoal: #2B2B2A;
  
  /* White Page Background */
  --bg-page: #FFFFFF;
  
  /* Dark Executive Card Backgrounds */
  --card-bg-front: #141A26;
  --card-bg-back: #161C2A;
  
  --text-main: #FFFFFF;
  --text-muted: #CBD5E1;
  --text-subtle: #94A3B8;
  
  --glass-border: rgba(234, 96, 55, 0.35);
  
  /* Fonts */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Card Aspect Ratio 1.75:1 (US Business Card Standard 3.5" x 2.0") */
  --card-width: 620px;
  --card-height: 354px;
  
  --radius-card: 16px;
  --transition-speed: 0.7s;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(234, 96, 55, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(20, 26, 38, 0.03) 0%, transparent 45%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow-x: hidden;
}

/* App Container */
.app-container {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* Language Switcher Bar */
.lang-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 2px;
}

.lang-toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(20, 26, 38, 0.06);
  border: 1px solid rgba(84, 88, 90, 0.18);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  outline: none;
}

.lang-toggle-btn:hover {
  background: rgba(234, 96, 55, 0.1);
  border-color: var(--brand-orange);
}

.lang-option {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--brand-slate);
  transition: color 0.2s;
}

.lang-option.active {
  color: var(--brand-orange);
}

.lang-divider {
  font-size: 0.72rem;
  color: rgba(84, 88, 90, 0.3);
}

/* Main Scene & 3D Flip */
.scene-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.card-scene {
  width: var(--card-width);
  max-width: 100%;
  aspect-ratio: 1.75 / 1;
  perspective: 1000px;
  -webkit-perspective: 1000px;
  cursor: pointer;
  outline: none;
  container: inline-size / card;
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform var(--transition-speed) cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: var(--radius-card);
}

.card-scene.is-flipped .card-inner {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}

/* Card Faces */
.card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  border-radius: var(--radius-card);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 
    0 25px 50px -12px rgba(15, 23, 42, 0.35),
    0 0 0 1px var(--glass-border);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

.card-front {
  background: var(--card-bg-front);
  transform: rotateY(0deg);
  -webkit-transform: rotateY(0deg);
  z-index: 2;
}

.card-back {
  background: var(--card-bg-back);
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
  z-index: 1;
}

/* Guaranteed WebKit visibility state during 3D flip */
.card-scene:not(.is-flipped) .card-back {
  visibility: hidden;
}

.card-scene.is-flipped .card-front {
  visibility: hidden;
  transition: visibility 0s 0.35s;
}

.card-scene.is-flipped .card-back {
  visibility: visible;
}

.card-glass-glow {
  position: absolute;
  top: -40%;
  right: -25%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(234, 96, 55, 0.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

/* Card Header - Front */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-image-container {
  display: flex;
  align-items: center;
  max-width: 270px;
}

.brand-logo-img {
  width: 100%;
  height: auto;
  max-height: 38px;
  object-fit: contain;
}

/* Card Body - Front */
.card-body {
  margin: 1px 0;
}

.tagline {
  font-family: var(--font-heading);
  font-size: clamp(0.52rem, 1.95cqi, 0.66rem);
  font-weight: 700;
  color: var(--brand-orange);
  letter-spacing: 0.8px;
  line-height: 1.32;
  text-transform: uppercase;
}

.divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 5px 0;
  opacity: 0.65;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-orange), transparent);
}

.divider-icon {
  font-size: 0.6rem;
  color: var(--brand-orange);
  font-weight: bold;
}

.description {
  font-size: clamp(0.58rem, 2.15cqi, 0.72rem);
  line-height: 1.35;
  color: var(--text-muted);
  font-weight: 400;
}

/* Card Footer - Front */
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 10px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-main);
  padding: 3.5px 8px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.25s ease;
}

.contact-item:hover {
  background: rgba(234, 96, 55, 0.15);
  border-color: var(--brand-orange);
  transform: translateX(4px);
}

.contact-icon {
  color: var(--brand-orange);
  display: flex;
  align-items: center;
}

.contact-text {
  display: flex;
  flex-direction: column;
}

.contact-text .label {
  font-size: 0.48rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-text .value {
  font-size: clamp(0.58rem, 2.15cqi, 0.7rem);
  font-weight: 600;
  color: var(--text-main);
}

/* QR Code Box */
.qr-code-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: #FFFFFF;
  padding: 3px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease;
}

.qr-code-box:hover {
  transform: scale(1.05);
}

#qr-code img, #qr-code canvas {
  width: 44px;
  height: 44px;
  display: block;
}

.qr-label {
  font-size: 0.42rem;
  font-weight: 700;
  color: var(--brand-charcoal);
  letter-spacing: 0.5px;
}

.flip-icon-hint {
  position: absolute;
  top: 10px;
  right: 10px;
  color: var(--brand-orange);
  opacity: 0.5;
  transition: opacity 0.2s;
}

.card-scene:hover .flip-icon-hint {
  opacity: 1;
}

/* CARD BACK STYLES - Optimized for Tight Bilingual Fit */
.back-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(234, 96, 55, 0.3);
  padding-bottom: 4px;
}

.back-logo-img {
  height: 20px;
  width: auto;
  object-fit: contain;
}

.back-tag {
  font-size: clamp(0.48rem, 1.7cqi, 0.58rem);
  font-weight: 600;
  color: var(--brand-orange-light);
  letter-spacing: 0.8px;
}

.back-content {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 8px;
  margin: 2px 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(0.52rem, 1.85cqi, 0.62rem);
  font-weight: 700;
  color: var(--brand-orange);
  letter-spacing: 0.6px;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
  text-transform: uppercase;
}

.title-icon {
  font-size: 0.55rem;
  color: var(--brand-orange);
}

.services-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5px;
}

.services-list li {
  font-size: clamp(0.47rem, 1.75cqi, 0.56rem);
  line-height: 1.18;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 3px;
}

.bullet {
  color: var(--brand-orange);
  font-weight: bold;
}

/* Academy Card */
.academy-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(234, 96, 55, 0.3);
  border-radius: 8px;
  padding: 4px 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.academy-header-row {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.eleva-name {
  font-family: var(--font-heading);
  font-size: clamp(0.8rem, 2.8cqi, 0.98rem);
  font-weight: 800;
  color: var(--brand-orange-light);
  letter-spacing: 1.2px;
  line-height: 1;
}

.eleva-sub {
  font-size: clamp(0.48rem, 1.65cqi, 0.55rem);
  font-weight: 600;
  color: var(--text-main);
}

.powered-badge {
  font-size: clamp(0.44rem, 1.5cqi, 0.5rem);
  color: var(--brand-orange);
  background: rgba(234, 96, 55, 0.12);
  padding: 1px 4px;
  border-radius: 3px;
  display: inline-block;
  margin-top: 1px;
}

.academy-desc {
  font-size: clamp(0.45rem, 1.65cqi, 0.53rem);
  line-height: 1.22;
  color: var(--text-muted);
}

.back-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 3px;
  margin-top: auto;
  text-align: center;
}

.footer-contacts {
  font-size: clamp(0.5rem, 1.8cqi, 0.6rem);
  color: var(--text-subtle);
  display: flex;
  justify-content: center;
  gap: 6px;
}

.dot-sep {
  color: var(--brand-orange);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  background: #1C2333;
  color: var(--text-main);
  border: 1px solid var(--brand-orange);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Mobile & Small Viewports)
   ========================================================================== */
@media (max-width: 680px) {
  body {
    padding: 10px 8px;
  }

  .card-scene {
    width: 100%;
    aspect-ratio: 1.75 / 1;
  }

  .card-face {
    padding: 10px 12px;
  }

  .brand-logo-img {
    max-height: 24px;
  }

  .contact-item {
    padding: 2.5px 5px;
  }

  #qr-code img, #qr-code canvas {
    width: 34px;
    height: 34px;
  }

  .qr-code-box {
    padding: 2px;
  }

  .qr-label {
    font-size: 0.38rem;
  }
}

/* ==========================================================================
   PRINT STYLESHEET - Standard US Business Card (3.5" x 2.0")
   ========================================================================== */
.print-area {
  display: none;
}

@media print {
  body {
    background: #FFFFFF !important;
    padding: 0 !important;
    margin: 0 !important;
    color: #000000 !important;
  }

  .app-container {
    display: none !important;
  }

  .print-area {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    gap: 0.4in;
    padding: 0.5in;
  }

  .print-card {
    width: 3.5in;
    height: 2.0in;
    background: #FFFFFF !important;
    color: #000000 !important;
    padding: 0.12in;
    box-sizing: border-box;
    border: 1px dashed #CCC;
    page-break-inside: avoid;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .print-card-border {
    border: 1px solid #EA6037;
    height: 100%;
    padding: 0.08in;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
  }

  .print-header {
    display: flex;
    align-items: center;
  }

  .print-logo-img {
    height: 0.3in;
    width: auto;
    object-fit: contain;
  }

  .print-slogan {
    font-size: 5pt;
    color: #EA6037 !important;
    font-weight: 700;
    text-transform: uppercase;
    margin: 2pt 0;
  }

  .print-desc {
    font-size: 5.5pt;
    color: #333333 !important;
    line-height: 1.35;
    margin: 2pt 0;
  }

  .print-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
  }

  .print-contacts {
    font-size: 5.5pt;
    color: #111111 !important;
    line-height: 1.4;
  }

  .print-qr img, .print-qr canvas {
    width: 0.35in;
    height: 0.35in;
    background: #FFF;
    padding: 1pt;
  }

  /* Back Print Card */
  .print-card-back .print-card-border {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.1in;
  }

  .print-section-title {
    font-size: 5.8pt;
    font-weight: 700;
    color: #EA6037 !important;
    margin-bottom: 2pt;
    border-bottom: 0.5pt solid #EA6037;
    padding-bottom: 1pt;
  }

  .print-list {
    list-style: none;
    font-size: 4.5pt;
    line-height: 1.3;
    color: #333333 !important;
  }

  .print-eleva-box {
    background: #F9FAFB !important;
    border: 0.5pt solid #EA6037;
    padding: 3pt;
    margin-bottom: 3pt;
    border-radius: 2pt;
  }

  .print-eleva-title {
    font-size: 7pt;
    font-weight: 800;
    color: #EA6037 !important;
  }

  .print-eleva-sub {
    font-size: 4.8pt;
    color: #111 !important;
    font-weight: 600;
  }

  .print-eva-tag {
    font-size: 4.2pt;
    color: #EA6037 !important;
  }

  .print-academy-desc {
    font-size: 4.5pt;
    color: #444444 !important;
    line-height: 1.3;
  }
}