/* ==============================
   solutions.css — 솔루션 페이지
   ============================== */

/* ---------- 카테고리 탭 ---------- */
.sol-tabs {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 48px;
}
.sol-tab {
  height: 40px; padding: 0 20px; border-radius: 999px;
  border: 1px solid #E1E6EE; background: #fff; color: #6B7585;
  font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit; transition: all .2s ease;
}
.sol-tab:hover { border-color: #1E5EFF; color: #1E5EFF; }
.sol-tab.active {
  background: #1E5EFF; color: #fff; border-color: #1E5EFF;
}
.sol-block.hidden { display: none !important; }

/* ---------- SOLUTION BLOCKS SECTION ---------- */
.sol-section {
  background: #fff;
  padding: 96px 80px;
}
.sol-section .container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ---------- ZIG-ZAG BLOCK ---------- */
.sol-block {
  display: grid;
  min-height: 320px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(10, 31, 68, 0.08);
  background: #fff;
}
.sol-block--img-left {
  grid-template-columns: 1fr 1fr;
}
.sol-block--img-right {
  grid-template-columns: 1fr 1fr;
}

/* Image panel */
.sol-block-img {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.sol-block-img--01 { background: linear-gradient(150deg, #E8F0FF, #C5D9FF); }
.sol-block-img--02 { background: linear-gradient(150deg, #E0F4EC, #B5E0CC); }
.sol-block-img--03 { background: linear-gradient(150deg, #EEF0F5, #D6DCE8); }
.sol-block-img--04 { background: linear-gradient(150deg, #EDE8FF, #CFC5F5); }

.sol-block-img .sol-img-label {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  font-weight: 600;
}
.sol-block-badges {
  position: absolute;
  top: 32px;
  display: flex;
  gap: 10px;
}
.sol-block-badges--left  { left: 32px; }
.sol-block-badges--right { right: 32px; }
.sol-badge {
  background: rgba(255, 255, 255, 0.92);
  color: #0A1F44;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
}

/* Text panel */
.sol-block-text {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sol-block-num {
  font-size: 16px;
  font-weight: 700;
  color: #1E5EFF;
  letter-spacing: 0.16em;
  margin-bottom: 16px;
}
.sol-block-title {
  font-size: 36px;
  font-weight: 800;
  color: #0A1F44;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.sol-block-desc {
  font-size: 16px;
  font-weight: 400;
  color: #4A5468;
  line-height: 1.7;
  margin: 0 0 28px;
  max-width: 480px;
}
.sol-feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sol-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #0A1F44;
}
.sol-feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #1E5EFF;
  flex-shrink: 0;
}

/* ---------- CTA STRIP ---------- */
.sol-cta {
  background: #F5F7FA;
  padding: 80px;
  text-align: center;
}
.sol-cta .container {
  max-width: 1280px;
  margin: 0 auto;
}
.sol-cta-title {
  font-size: 32px;
  font-weight: 800;
  color: #0A1F44;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.sol-cta-desc {
  font-size: 16px;
  color: #6B7585;
  margin: 0 0 32px;
}
.sol-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 56px;
  padding: 0 32px;
  background: #1E5EFF;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(30, 94, 255, 0.28);
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: #0A1F44;
  color: #C8D2E4;
  padding: 72px 80px 32px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
}
.footer-info {
  font-size: 14px;
  line-height: 1.8;
  color: #8E9BB5;
  max-width: 300px;
}
.footer-info div + div { margin-top: 0; }
.footer-info .footer-info-gap { margin-bottom: 10px; }
.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}
.footer-col-links a {
  color: #8E9BB5;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copyright {
  font-size: 13px;
  color: #6B7896;
}
.footer-legal {
  display: flex;
  gap: 20px;
  font-size: 13px;
}
.footer-legal a { color: #8E9BB5; }
.footer-legal a:first-child { color: #A6B2CC; font-weight: 600; }

/* ---------- REVEAL ANIMATION ---------- */
.reveal-sol {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal-sol--left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal-sol--right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal-sol.visible,
.reveal-sol--left.visible,
.reveal-sol--right.visible {
  opacity: 1;
  transform: none;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1439px) {
  .sol-section,
  .sol-cta {
    padding-left: 48px;
    padding-right: 48px;
  }
  .site-footer { padding-left: 48px; padding-right: 48px; }
}

@media (max-width: 1279px) {
  .sol-block--img-left,
  .sol-block--img-right {
    grid-template-columns: 1fr;
  }
  .sol-block-img {
    min-height: 300px !important;
    order: 0;
  }
  .sol-block-text {
    order: 1;
    padding: 40px;
  }
  .sol-block-title { font-size: 30px; }
  .sol-tabs { gap: 6px; margin-bottom: 36px; }
  .sol-tab { height: 38px; padding: 0 16px; font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .sol-section {
    padding: 56px 20px;
  }
  .sol-cta {
    padding: 56px 20px;
  }
  .site-footer { padding: 56px 20px 24px; }

  /* Sol tabs */
  .sol-tabs { gap: 6px; margin-bottom: 28px; }
  .sol-tab { height: 36px; padding: 0 14px; font-size: 13px; }

  /* Sol blocks */
  .sol-block { min-height: auto; }
  .sol-block-img { min-height: 220px !important; }
  .sol-block-text { padding: 24px; }
  .sol-block-title { font-size: 24px; }
  .sol-block-desc { font-size: 15px; max-width: 100%; }
  .sol-block-badges { top: 16px; }
  .sol-block-badges--left { left: 16px; }
  .sol-block-badges--right { right: 16px; }

  /* CTA */
  .sol-cta-title { font-size: 24px; }
  .sol-cta-desc { font-size: 15px; }
  .sol-cta-btn { width: 100%; justify-content: center; height: 48px; font-size: 15px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-sol,
  .reveal-sol--left,
  .reveal-sol--right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}