/* ══════════════════════════════════════════════════════
   CONTACT CARDS
   3 cards: LINE (green) · Phone (sky) · Email (blue)
   ══════════════════════════════════════════════════════ */

/* ── Grid ───────────────────────────────────────────── */
.contact-cards__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 100rem;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .contact-cards__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-cards__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.4rem;
  }
}

/* ── Card base ──────────────────────────────────────── */
.contact-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 4rem 3rem 3.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.4rem;
  color: var(--color-text-inverse);
  isolation: isolate;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 2rem 4rem rgba(0, 0, 0, 0.18);
}

/* ── Glow decoration ────────────────────────────────── */
.contact-card__glow {
  position: absolute;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  top: -6rem;
  right: -6rem;
  z-index: 0;
  pointer-events: none;
}

/* ── Color variants ─────────────────────────────────── */
.contact-card--line {
    background: linear-gradient(135deg, #3DAE6F, #2E8F5B);
    box-shadow: 0 8px 32px rgba(61, 174, 111, 0.25);
}
.contact-card--phone {
    background: linear-gradient(135deg, #00C9E0, #2979FF);
    box-shadow: 0 8px 32px rgba(0, 201, 224, 0.25);
}
.contact-card--email {
    background: linear-gradient(135deg, #2979FF, #7B5EA7);
    box-shadow: 0 8px 32px rgba(123, 94, 167, 0.25);
}

/* ── Lucide Icon wrapper ────────────────────────────── */
.contact-card__icon-wrap {
  position: relative;
  z-index: 1;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.contact-card__icon {
  width: 5rem;
  height: 5rem;
  stroke: #ffffff;
  stroke-width: 1;
}

/* ── QR Code ────────────────────────────────────────── */
.contact-card__qr {
  position: relative;
  z-index: 1;
  width: 14rem;
  height: 14rem;
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.15);
}

.contact-card__qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: calc(var(--radius-md) - 0.4rem);
}

/* placeholder QR SVG */
.contact-card__qr--placeholder svg {
  width: 7.2rem;
  height: 7.2rem;
  color: #3cc88f;
  opacity: 0.6;
}

/* ── Title ──────────────────────────────────────────── */
.contact-card__title {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: #ffffff;
  margin: 0;
  letter-spacing: 0.01em;
}

/* ── Lines (phone / email) ──────────────────────────── */
.contact-card__lines {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-card__line {
  display: block;
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--transition-base);
  word-break: break-all;
}

.contact-card__line:hover {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-card__line--placeholder {
  opacity: 0.45;
  pointer-events: none;
}

/* ── Add Friend Button ──────────────────────────────── */
.contact-card__btn {
  position: relative;
  z-index: 1;
  margin-top: 0.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 2.4rem;
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: #2e8f5b;
  font-size: var(--font-size-md);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.03em;
  box-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.12);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.contact-card__btn:hover {
  background: #01135e;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.2);
}

.contact-card__btn-icon {
  width: 1.8rem;
  height: 1.8rem;
  flex-shrink: 0;
}

/* ── Responsive tweaks ──────────────────────────────── */
@media (max-width: 639px) {
  .contact-card {
    padding: 3.2rem 2.4rem 3rem;
  }

  /* บน mobile card LINE อยู่ column เดียว span เต็ม */
  .contact-card--line {
    grid-column: 1 / -1;
  }

  .contact-card__qr {
    width: 12rem;
    height: 12rem;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  /* tablet: LINE อยู่แถวบนคนเดียว span 2 cols */
  .contact-card--line {
    grid-column: 1 / -1;
    flex-direction: row;
    text-align: left;
    gap: 3rem;
    padding: 3.2rem 3.6rem;
  }

  .contact-card--line .contact-card__qr {
    flex-shrink: 0;
  }

  .contact-card--line .contact-card__title,
  .contact-card--line .contact-card__btn {
    align-self: center;
  }

  .contact-card--line .contact-card__glow {
    top: -8rem;
    right: -4rem;
  }
}