/* =============================================
   digital-vcard / style.css
   Author  : Al Amin Anik (aNiK)
   Version : 1.0
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
  --purple      : #6B2FA0;
  --purple-dark : #55217f;
  --red         : #E31E24;
  --card-bg     : #f4f4f6;
  --white       : #ffffff;
  --text-main   : #1a1a2e;
  --text-muted  : #888899;
  --divider     : #e2e2ec;
  --card-radius : 0px;
  --card-width  : 480px;
  --shadow      : 0 8px 40px rgba(0,0,0,0.14);
  --transition  : 0.22s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: #e8e8f0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* ---------- Loader ---------- */
#loader {
  position: fixed;
  inset: 0;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  width: 140px;
  height: auto;
  animation: pulse 1s ease-in-out infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.5; transform: scale(0.97); }
  to   { opacity: 1;   transform: scale(1.03); }
}

/* ---------- Page Background ---------- */
.page-bg {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 0;
}

/* ---------- Card ---------- */
.card {
  width: 100%;
  max-width: var(--card-width);
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
  min-height: 100vh;
}

/* ---------- Header ---------- */
.card-header {
  background: linear-gradient(135deg, var(--purple) 0%, var(--red) 100%);
  padding: 52px 24px 32px;
  text-align: center;
  position: relative;
}

/* Subtle texture overlay */
.card-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.profile-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.profile-img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.85);
  object-fit: cover;
  display: block;
  background: rgba(255,255,255,0.15);
}

/* Fallback icon when no image */
.profile-img-fallback {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(255,255,255,0.9);
}

.profile-name {
  color: var(--white);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 6px;
  position: relative;
}

.profile-title {
  color: rgba(255,255,255,0.82);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.5;
  max-width: 220px;
  margin: 0 auto;
  position: relative;
}

/* ---------- Action Bar ---------- */
.action-bar {
  display: flex;
  background: linear-gradient(135deg, var(--purple) 0%, var(--red) 100%);
  border-top: 1px solid rgba(255,255,255,0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}

.action-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 13px 0;
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: background var(--transition);
}

.action-btn:hover,
.action-btn:focus-visible {
  background: rgba(255,255,255,0.12);
}

.action-btn i {
  font-size: 1.1rem;
}

.action-divider {
  width: 1px;
  background: rgba(255,255,255,0.25);
  align-self: stretch;
  margin: 8px 0;
}

/* ---------- Contact Section ---------- */
.contact-section {
  background: var(--card-bg);
  padding: 0;
}

.contact-group {
  /* Groups multiple rows under one icon */
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--divider);
  transition: background var(--transition);
}

.contact-item:hover {
  background: rgba(107,47,160,0.04);
}

.contact-item.no-icon {
  padding-left: 56px; /* 20px padding + 20px icon + 16px gap */
}

.contact-icon {
  width: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  word-break: break-all;
}

a.contact-value:hover {
  color: var(--purple);
  text-decoration: underline;
}

.contact-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ---------- Social Section ---------- */
.social-section {
  background: var(--card-bg);
  padding: 20px 20px 24px;
  border-bottom: 1px solid var(--divider);
}

.section-heading {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.social-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1rem;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  flex-shrink: 0;
}

.social-btn:hover,
.social-btn:focus-visible {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}

.social-btn:active {
  transform: scale(0.95);
}

/* Social colors */
.facebook  { background: #1877F2; }
.messenger { background: linear-gradient(135deg, #0078FF, #A334FA, #FF5C79); }
.whatsapp  { background: #25D366; }
.skype     { background: #00AFF0; }
.instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.twitter   { background: #000000; }
.youtube   { background: #FF0000; }
.linkedin  { background: #0A66C2; }

/* ---------- Download Button ---------- */
.download-wrap {
  background: var(--card-bg);
  padding: 20px;
}

.download-btn {
  width: 100%;
  background: var(--purple);
  color: var(--white);
  border: none;
  border-radius: 4px;
  padding: 16px 24px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  font-family: inherit;
}

.download-btn:hover,
.download-btn:focus-visible {
  background: var(--purple-dark);
  box-shadow: 0 4px 20px rgba(107,47,160,0.4);
  transform: translateY(-1px);
}

.download-btn:active {
  transform: scale(0.98);
}

.download-btn i {
  font-size: 1rem;
}

/* ---------- Toast Notification ---------- */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1a1a2e;
  color: var(--white);
  padding: 12px 22px;
  border-radius: 24px;
  font-size: 0.82rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
  z-index: 9998;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .card {
    max-width: 100%;
    box-shadow: none;
  }

  .card-header {
    padding: 40px 16px 28px;
  }
}

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

:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
}