/* ==========================================================================
   CONNECT PAGE STYLESHEET
   Refined Mobile-First CSS for Edoardo Diana (/connect)
   Visual Direction: Editorial Art-Tech & Minimal Link-in-Bio
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. APPROVED COLOR SYSTEM & DESIGN TOKENS (NEUTRAL COOL DARK)
   -------------------------------------------------------------------------- */
:root {
  /* Restrained Neutral Dark System */
  --color-bg: #0E0C0D;

  --color-surface: #16181A;
  --color-surface-elevated: #1C1F22;
  --color-surface-hover: #22262A;

  --color-text-primary: #F2F3F1;
  --color-text-secondary: #B4B8B8;
  --color-text-muted: #7E858A;

  /* Primary Accent: Muted Slate Blue (No Gold / No Warm Metallic) */
  --color-accent-primary: #2C5D7B;
  --color-accent-hover: #244358;
  --color-accent-soft: #789DAF;

  /* Atmospheric Accent: Approved Oxblood (#5A2224) & Dark Bordeaux (#4A1F21) */
  --color-oxblood: #5A2224;
  --color-bordeaux-border: #4A1F21;

  /* Neutral Cool Borders */
  --color-border: rgba(242, 243, 241, 0.08);
  --color-border-strong: rgba(242, 243, 241, 0.15);

  /* Spacing System */
  --spacing-xs: 0.25rem;  /* 4px */
  --spacing-sm: 0.5rem;   /* 8px */
  --spacing-md: 1rem;     /* 16px */
  --spacing-lg: 1.25rem;  /* 20px */
  --spacing-xl: 1.75rem;  /* 28px */
  --spacing-2xl: 2.5rem;  /* 40px */

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Focus Ring */
  --focus-ring: 2px solid #789DAF;
  --focus-ring-offset: 2px;
}

/* --------------------------------------------------------------------------
   2. CSS RESET & SENSIBLE DEFAULTS
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: var(--spacing-md);
  padding-top: max(var(--spacing-md), env(safe-area-inset-top));
  padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom));
  padding-left: max(var(--spacing-md), env(safe-area-inset-left));
  padding-right: max(var(--spacing-md), env(safe-area-inset-right));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

body.is-modal-open {
  overflow: hidden;
}

/* Keyboard focus indicators */
:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* --------------------------------------------------------------------------
   3. ARTISTIC BACKGROUND LAYER ARCHITECTURE (ALWAYS STATIONARY)
   -------------------------------------------------------------------------- */
.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-color: var(--color-bg);
  background-image: url('./assets/background.webp');
  background-position: top center;
  background-repeat: no-repeat;
  background-size: min(100vw, 852px) auto;
}

/* Desktop / Wide Viewport Background Override (900px+) */
@media (min-width: 900px) {
  .bg-layer {
    background-image: url('./assets/background-desktop.webp');
    background-position: center center;
    background-size: cover;
  }
}

/* Dark Readability Overlay: Translucent ink-black layer for contrast */
.bg-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-color: rgba(14, 12, 13, 0.20);
}

/* --------------------------------------------------------------------------
   4. LAYOUT & CONTAINERS (SYNCHRONIZED DUAL-VIEW HORIZONTAL SLIDER)
   -------------------------------------------------------------------------- */
.page-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 0.5rem 0 var(--spacing-lg) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);

  /* GPU Synchronized Horizontal Translation: Resting at 0 */
  transform: translate3d(0, 0, 0);
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
  backface-visibility: hidden;
}

/* When CV is open, Main View translates LEFT (-100vw) out of viewport */
body.is-cv-open .page-shell {
  transform: translate3d(-100vw, 0, 0);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   5. REBALANCED HERO & PROFILE SECTION
   -------------------------------------------------------------------------- */
.identity-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

/* Profile Avatar Frame: 82px diameter, unzoomed artwork with breathing room */
.profile-avatar-frame {
  width: 82px;
  height: 82px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  padding: 3px;
  background-color: var(--color-surface);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.profile-avatar {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: contain;
  object-position: center;
  background-color: var(--color-bg);
}

.identity-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.profile-name {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-text-primary);
  line-height: 1.25;
}

.profile-role-primary {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* Restrained Web3 Builder line */
.profile-role-secondary {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-muted);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   6. MAIN ACTIONS & BUTTON STYLES
   -------------------------------------------------------------------------- */
.main-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  min-height: 56px;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  width: 100%;
  text-align: center;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btn:active {
  transform: scale(0.985);
}

/* Primary CTA: LinkedIn */
.btn-primary {
  background-color: var(--color-accent-primary);
  color: var(--color-text-primary);
  border-color: rgba(242, 243, 241, 0.1);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: rgba(242, 243, 241, 0.18);
}


.btn-icon {
  flex-shrink: 0;
  color: currentColor;
}

/* --------------------------------------------------------------------------
   7. GROUPED PROFESSIONAL LINKS CONTAINER
   -------------------------------------------------------------------------- */
.grouped-links-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.grouped-links-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.grouped-link-item {
  border-bottom: 1px solid var(--color-border);
}

.grouped-link-item:last-child {
  border-bottom: none;
}

.grouped-link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0.875rem 1.125rem;
  color: var(--color-text-primary);
  text-decoration: none;
  background: transparent;
  width: 100%;
  border: none;
  font: inherit;
  cursor: pointer;
  text-align: left;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.15s ease;
  gap: 0.75rem;
}

.grouped-link-row:hover {
  background-color: var(--color-surface-hover);
}

.grouped-link-row:active {
  transform: scale(0.985);
}

.link-info {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-width: 0;
  flex-shrink: 1;
}

.link-icon-start {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.link-label {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.link-end {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.link-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.link-icon-end {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   8. UTILITY & SHOW QR BUTTON
   -------------------------------------------------------------------------- */
.utility-section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.btn-qr-toggle {
  background-color: var(--color-surface-elevated);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  justify-content: space-between;
  padding: 0.875rem 1.125rem;
  min-height: 56px;
  border-radius: var(--radius-lg);
}

.btn-qr-toggle:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

.btn-qr-toggle .btn-text {
  flex-grow: 1;
  text-align: left;
  margin-left: 0.25rem;
}

/* --------------------------------------------------------------------------
   9. DEDICATED CV SELECTION SUBVIEW (SYNCHRONIZED ADJACENT VIEWPORT LAYER)
   -------------------------------------------------------------------------- */
.cv-view {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: var(--spacing-md);
  padding-top: max(var(--spacing-md), env(safe-area-inset-top));
  padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom));
  padding-left: max(var(--spacing-md), env(safe-area-inset-left));
  padding-right: max(var(--spacing-md), env(safe-area-inset-right));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  
  /* GPU Synchronized Horizontal Translation: Resting Off-Screen RIGHT (+100vw) */
  transform: translate3d(100vw, 0, 0);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1), visibility 0s 0.24s;
  will-change: transform;
  backface-visibility: hidden;
}

/* When CV is open, CV View translates IN to (0, 0, 0) */
body.is-cv-open .cv-view {
  transform: translate3d(0, 0, 0);
  visibility: visible;
  pointer-events: auto;
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1), visibility 0s 0s;
}

.cv-view-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  min-height: calc(100vh - var(--spacing-md) * 2 - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  min-height: calc(100dvh - var(--spacing-md) * 2 - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  padding: 0.5rem 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Top: Horizontally Centered CV Title (~7rem top offset) */
.cv-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.015em;
  text-align: center;
  margin-top: 7rem;
  margin-bottom: 0.75rem;
}

/* Middle Region: Vertically Centered Download Card Container */
.cv-download-region {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 1rem 0 1.5rem 0;
}

.cv-download-card {
  width: 100%;
}

/* Bottom Region: Full-Width 60% Oxblood Translucent Back Button CTA */
.cv-footer-region {
  width: 100%;
  margin-top: auto;
  padding-top: 1rem;
  padding-bottom: max(3.25rem, calc(2.75rem + env(safe-area-inset-bottom)));
}

.btn-cv-back {
  position: relative;
  background-color: rgba(90, 34, 36, 0.60);
  color: var(--color-text-primary);
  border: 1px solid #4A1F21;
  border-radius: var(--radius-lg);
  min-height: 56px;
  padding: 0.875rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btn-cv-back .btn-icon-start {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: currentColor;
  flex-shrink: 0;
}

.btn-cv-back:hover {
  background-color: rgba(90, 34, 36, 0.80);
  border-color: #6C292B;
}

.btn-cv-back:active {
  transform: scale(0.985);
}

.btn-cv-back:focus-visible {
  outline: 2px solid #7A2E31;
  outline-offset: 2px;
}

/* Short Mobile Screens Fallback (e.g. 320x568 / height <= 600px) */
@media (max-height: 600px) {
  .cv-view-shell {
    min-height: auto;
  }
  .cv-title {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
  }
  .cv-download-region {
    padding: 0.75rem 0;
  }
  .cv-footer-region {
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
  }
}

/* --------------------------------------------------------------------------
   10. FULLSCREEN QR MODAL OVERLAY
   -------------------------------------------------------------------------- */
.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.qr-modal:not([hidden]) {
  opacity: 1;
  visibility: visible;
  display: flex;
}

.qr-modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(14, 12, 13, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.qr-modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 320px;
  background-color: var(--color-surface-elevated);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.5rem 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.7);
}

.qr-close-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.qr-close-btn:hover {
  color: var(--color-text-primary);
  background-color: var(--color-surface-hover);
}

.qr-modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

/* QR Code Frame with White Quiet Zone */
.qr-code-frame {
  width: 240px;
  height: 240px;
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.qr-code-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.qr-modal-subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* --------------------------------------------------------------------------
   11. MEDIA QUERIES & NARROW SCREEN ADAPTATIONS
   -------------------------------------------------------------------------- */
@media (max-width: 340px) {
  .grouped-link-row {
    padding: 0.75rem 0.875rem;
  }
  .link-info {
    gap: 0.625rem;
  }
  .link-meta {
    font-size: 0.75rem;
  }
}

/* --------------------------------------------------------------------------
   12. REDUCED MOTION ACCESSIBILITY OVERRIDE
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .page-shell,
  .cv-view {
    transition: none !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
    transform: none !important;
  }
}