/* =========================
   BP Custom Bootstrap Layout
   Prefix: bp-
========================= */

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* =========================
   Containers
========================= */

.bp-container,
.bp-container-fluid {
  width: 100%;
  padding-right: 12px;
  padding-left: 12px;
  margin-right: auto;
  margin-left: auto;
}

.bp-container {
  max-width: 100%;
}

/* xs */
@media (min-width: 0) {
  .bp-container {
    max-width: 100%;
  }
}

/* sm */
@media (min-width: 576px) {
  .bp-container {
    max-width: 540px;
  }
}

/* md */
@media (min-width: 768px) {
  .bp-container {
    max-width: 720px;
  }
}

/* lg */
@media (min-width: 992px) {
  .bp-container {
    max-width: 960px;
  }
}

/* xl */
@media (min-width: 1200px) {
  .bp-container {
    max-width: 1140px;
  }
}

/* xxl */
@media (min-width: 1400px) {
  .bp-container {
    max-width: 1320px;
  }
}

/* =========================
   Row
========================= */

.bp-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -12px;
  margin-left: -12px;
}

.bp-row > * {
  padding-right: 12px;
  padding-left: 12px;
  box-sizing: border-box;
}

/* =========================
   Base Columns
========================= */

.bp-col {
  flex: 1 0 0%;
}

.bp-col-auto {
  flex: 0 0 auto;
  width: auto;
}

.bp-col-1 { flex: 0 0 auto; width: 8.333333%; }
.bp-col-2 { flex: 0 0 auto; width: 16.666667%; }
.bp-col-3 { flex: 0 0 auto; width: 25%; }
.bp-col-4 { flex: 0 0 auto; width: 33.333333%; }
.bp-col-5 { flex: 0 0 auto; width: 41.666667%; }
.bp-col-6 { flex: 0 0 auto; width: 50%; }
.bp-col-7 { flex: 0 0 auto; width: 58.333333%; }
.bp-col-8 { flex: 0 0 auto; width: 66.666667%; }
.bp-col-9 { flex: 0 0 auto; width: 75%; }
.bp-col-10 { flex: 0 0 auto; width: 83.333333%; }
.bp-col-11 { flex: 0 0 auto; width: 91.666667%; }
.bp-col-12 { flex: 0 0 auto; width: 100%; }

/* =========================
   XS Columns
========================= */

.bp-col-xs {
  flex: 1 0 0%;
}

.bp-col-xs-auto {
  flex: 0 0 auto;
  width: auto;
}

.bp-col-xs-1 { flex: 0 0 auto; width: 8.333333%; }
.bp-col-xs-2 { flex: 0 0 auto; width: 16.666667%; }
.bp-col-xs-3 { flex: 0 0 auto; width: 25%; }
.bp-col-xs-4 { flex: 0 0 auto; width: 33.333333%; }
.bp-col-xs-5 { flex: 0 0 auto; width: 41.666667%; }
.bp-col-xs-6 { flex: 0 0 auto; width: 50%; }
.bp-col-xs-7 { flex: 0 0 auto; width: 58.333333%; }
.bp-col-xs-8 { flex: 0 0 auto; width: 66.666667%; }
.bp-col-xs-9 { flex: 0 0 auto; width: 75%; }
.bp-col-xs-10 { flex: 0 0 auto; width: 83.333333%; }
.bp-col-xs-11 { flex: 0 0 auto; width: 91.666667%; }
.bp-col-xs-12 { flex: 0 0 auto; width: 100%; }

/* =========================
   SM Columns
========================= */

@media (min-width: 576px) {
  .bp-col-sm {
    flex: 1 0 0%;
  }

  .bp-col-sm-auto {
    flex: 0 0 auto;
    width: auto;
  }

  .bp-col-sm-1 { flex: 0 0 auto; width: 8.333333%; }
  .bp-col-sm-2 { flex: 0 0 auto; width: 16.666667%; }
  .bp-col-sm-3 { flex: 0 0 auto; width: 25%; }
  .bp-col-sm-4 { flex: 0 0 auto; width: 33.333333%; }
  .bp-col-sm-5 { flex: 0 0 auto; width: 41.666667%; }
  .bp-col-sm-6 { flex: 0 0 auto; width: 50%; }
  .bp-col-sm-7 { flex: 0 0 auto; width: 58.333333%; }
  .bp-col-sm-8 { flex: 0 0 auto; width: 66.666667%; }
  .bp-col-sm-9 { flex: 0 0 auto; width: 75%; }
  .bp-col-sm-10 { flex: 0 0 auto; width: 83.333333%; }
  .bp-col-sm-11 { flex: 0 0 auto; width: 91.666667%; }
  .bp-col-sm-12 { flex: 0 0 auto; width: 100%; }
}

/* =========================
   MD Columns
========================= */

@media (min-width: 768px) {
  .bp-col-md {
    flex: 1 0 0%;
  }

  .bp-col-md-auto {
    flex: 0 0 auto;
    width: auto;
  }

  .bp-col-md-1 { flex: 0 0 auto; width: 8.333333%; }
  .bp-col-md-2 { flex: 0 0 auto; width: 16.666667%; }
  .bp-col-md-3 { flex: 0 0 auto; width: 25%; }
  .bp-col-md-4 { flex: 0 0 auto; width: 33.333333%; }
  .bp-col-md-5 { flex: 0 0 auto; width: 41.666667%; }
  .bp-col-md-6 { flex: 0 0 auto; width: 50%; }
  .bp-col-md-7 { flex: 0 0 auto; width: 58.333333%; }
  .bp-col-md-8 { flex: 0 0 auto; width: 66.666667%; }
  .bp-col-md-9 { flex: 0 0 auto; width: 75%; }
  .bp-col-md-10 { flex: 0 0 auto; width: 83.333333%; }
  .bp-col-md-11 { flex: 0 0 auto; width: 91.666667%; }
  .bp-col-md-12 { flex: 0 0 auto; width: 100%; }
}

/* =========================
   LG Columns
========================= */

@media (min-width: 992px) {
  .bp-col-lg {
    flex: 1 0 0%;
  }

  .bp-col-lg-auto {
    flex: 0 0 auto;
    width: auto;
  }

  .bp-col-lg-1 { flex: 0 0 auto; width: 8.333333%; }
  .bp-col-lg-2 { flex: 0 0 auto; width: 16.666667%; }
  .bp-col-lg-3 { flex: 0 0 auto; width: 25%; }
  .bp-col-lg-4 { flex: 0 0 auto; width: 33.333333%; }
  .bp-col-lg-5 { flex: 0 0 auto; width: 41.666667%; }
  .bp-col-lg-6 { flex: 0 0 auto; width: 50%; }
  .bp-col-lg-7 { flex: 0 0 auto; width: 58.333333%; }
  .bp-col-lg-8 { flex: 0 0 auto; width: 66.666667%; }
  .bp-col-lg-9 { flex: 0 0 auto; width: 75%; }
  .bp-col-lg-10 { flex: 0 0 auto; width: 83.333333%; }
  .bp-col-lg-11 { flex: 0 0 auto; width: 91.666667%; }
  .bp-col-lg-12 { flex: 0 0 auto; width: 100%; }
}

/* =========================
   XL Columns
========================= */

@media (min-width: 1200px) {
  .bp-col-xl {
    flex: 1 0 0%;
  }

  .bp-col-xl-auto {
    flex: 0 0 auto;
    width: auto;
  }

  .bp-col-xl-1 { flex: 0 0 auto; width: 8.333333%; }
  .bp-col-xl-2 { flex: 0 0 auto; width: 16.666667%; }
  .bp-col-xl-3 { flex: 0 0 auto; width: 25%; }
  .bp-col-xl-4 { flex: 0 0 auto; width: 33.333333%; }
  .bp-col-xl-5 { flex: 0 0 auto; width: 41.666667%; }
  .bp-col-xl-6 { flex: 0 0 auto; width: 50%; }
  .bp-col-xl-7 { flex: 0 0 auto; width: 58.333333%; }
  .bp-col-xl-8 { flex: 0 0 auto; width: 66.666667%; }
  .bp-col-xl-9 { flex: 0 0 auto; width: 75%; }
  .bp-col-xl-10 { flex: 0 0 auto; width: 83.333333%; }
  .bp-col-xl-11 { flex: 0 0 auto; width: 91.666667%; }
  .bp-col-xl-12 { flex: 0 0 auto; width: 100%; }
}

/* =========================
   Simple Spacing Classes
========================= */

.bp-m-1 { margin: 4px; }
.bp-m-2 { margin: 8px; }
.bp-m-3 { margin: 16px; }
.bp-m-4 { margin: 24px; }
.bp-m-5 { margin: 48px; }

.bp-mx-1 {
  margin-left: 4px;
  margin-right: 4px;
}

.bp-mx-2 {
  margin-left: 8px;
  margin-right: 8px;
}

.bp-mx-3 {
  margin-left: 16px;
  margin-right: 16px;
}

.bp-mx-4 {
  margin-left: 24px;
  margin-right: 24px;
}

.bp-mx-5 {
  margin-left: 48px;
  margin-right: 48px;
}

.bp-my-1 {
  margin-top: 4px;
  margin-bottom: 4px;
}

.bp-my-2 {
  margin-top: 8px;
  margin-bottom: 8px;
}

.bp-my-3 {
  margin-top: 16px;
  margin-bottom: 16px;
}

.bp-my-4 {
  margin-top: 24px;
  margin-bottom: 24px;
}

.bp-my-5 {
  margin-top: 48px;
  margin-bottom: 48px;
}

.bp-mb-3 {
  margin-bottom: 16px;
}

.bp-p-1 { padding: 4px; }
.bp-p-2 { padding: 8px; }
.bp-p-3 { padding: 16px; }
.bp-p-4 { padding: 24px; }
.bp-p-5 { padding: 48px; }

.bp-px-1 {
  padding-left: 4px;
  padding-right: 4px;
}

.bp-px-2 {
  padding-left: 8px;
  padding-right: 8px;
}

.bp-px-3 {
  padding-left: 16px;
  padding-right: 16px;
}

.bp-px-4 {
  padding-left: 24px;
  padding-right: 24px;
}

.bp-px-5 {
  padding-left: 48px;
  padding-right: 48px;
}

.bp-py-1 {
  padding-top: 4px;
  padding-bottom: 4px;
}

.bp-py-2 {
  padding-top: 8px;
  padding-bottom: 8px;
}

.bp-py-3 {
  padding-top: 16px;
  padding-bottom: 16px;
}

.bp-py-4 {
  padding-top: 24px;
  padding-bottom: 24px;
}

.bp-py-5 {
  padding-top: 48px;
  padding-bottom: 48px;
}

/* =========================
   Section Design
========================= */

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background: #edf8f4;
  color: #113f38;
}

.gallery-section {
  min-height: 100vh;
  padding: 70px 0;
  background:
    radial-gradient(circle at 8% 25%, rgba(204, 242, 228, 0.9), transparent 26%),
    radial-gradient(circle at 80% 40%, rgba(219, 244, 235, 0.8), transparent 28%),
    linear-gradient(180deg, #f5fbf8 0%, #e8f6f1 100%);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 38px;
  text-align: center;
}

.section-kicker {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 6px;
  color: #37ad9c;
  font-weight: 600;
}

.section-header h2 {
  margin: 0;
  font-size: 44px;
  line-height: 1.15;
  color: #0d3d35;
  font-weight: 800;
}

.section-description {
  margin: 18px auto 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.6;
  color: #667b77;
}

/* =========================
   Tabs
========================= */

.tabs-wrapper {
  width: fit-content;
  margin: 0 auto 44px;
  padding: 6px;
  display: flex;
  gap: 6px;
  background: #ffffff;
  border: 1px solid rgba(13, 61, 53, 0.08);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(9, 60, 52, 0.08);
}

.gallery-tab {
  border: 0;
  outline: 0;
  cursor: pointer;
  padding: 13px 24px;
  border-radius: 999px;
  background: transparent;
  color: #2c3d3a;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 9px;
  transition: all 0.25s ease;
}

.gallery-tab.active {
  background: #0d5c50;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(13, 92, 80, 0.25);
}

.gallery-tab:hover {
  transform: translateY(-1px);
}

.tab-icon {
  font-size: 15px;
}

/* =========================
   Tab Content
========================= */

.tab-content {
  display: none;
  animation: fadeUp 0.35s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================
   Certificate Cards
========================= */

.certificate-card {
  position: relative;
  min-height: 220px;
  padding: 24px;
  overflow: hidden;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(15, 71, 62, 0.08);
  box-shadow: 0 14px 35px rgba(12, 73, 62, 0.08);
  transition: all 0.28s ease;
}

.certificate-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 45px rgba(12, 73, 62, 0.13);
}

.card-shape {
  position: absolute;
  top: -48px;
  right: -44px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  opacity: 0.5;
}

.certificate-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
}

.certificate-year {
  margin-bottom: 10px;
  color: #27a994;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  gap: 7px;
  align-items: center;
}

.certificate-card h3 {
  margin: 0 0 10px;
  max-width: 92%;
  font-size: 18px;
  line-height: 1.35;
  color: #103f38;
  font-weight: 800;
}

.certificate-source {
  margin: 0;
  font-size: 14px;
  color: #657974;
  line-height: 1.5;
}

.card-divider {
  height: 1px;
  margin: 18px 0;
  background: repeating-linear-gradient(
    to right,
    rgba(15, 71, 62, 0.16) 0,
    rgba(15, 71, 62, 0.16) 4px,
    transparent 4px,
    transparent 7px
  );
}

.certificate-note {
  margin: 0;
  color: #4f6661;
  font-size: 13px;
  line-height: 1.5;
  font-style: italic;
}

/* =========================
   Card Colors
========================= */

.card-green .certificate-icon {
  color: #0d5c50;
  background: #e3f3ef;
}

.card-green .card-shape {
  background: #dceee9;
}

.card-orange .certificate-icon {
  color: #d97706;
  background: #fff0df;
}

.card-orange .card-shape {
  background: #fff0df;
}

.card-blue .certificate-icon {
  color: #2576d2;
  background: #e7f1ff;
}

.card-blue .card-shape {
  background: #e7f1ff;
}

.card-light-green .certificate-icon {
  color: #4e9c3f;
  background: #eaf7e6;
}

.card-light-green .card-shape {
  background: #eaf7e6;
}

.card-red .certificate-icon {
  color: #dc3f35;
  background: #ffe8e6;
}

.card-red .card-shape {
  background: #ffe8e6;
}

/* =========================
   Photo Gallery
========================= */

.photo-card {
  position: relative;
  height: 260px;
  overflow: hidden;
  border-radius: 18px;
  box-shadow: 0 14px 35px rgba(12, 73, 62, 0.12);
  background: #ffffff;
}

.photo-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.photo-card:hover img {
  transform: scale(1.08);
}

.photo-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 22px;
  color: #ffffff;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 0, 0, 0.68) 100%
  );
}

.photo-overlay h3 {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 800;
}

.photo-overlay p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.86);
}

/* =========================
   Responsive
========================= */

@media (max-width: 767px) {
  .gallery-section {
    padding: 48px 0;
  }

  .section-header h2 {
    font-size: 32px;
  }

  .section-description {
    font-size: 14px;
  }

  .tabs-wrapper {
    width: 100%;
    max-width: 350px;
  }

  .gallery-tab {
    flex: 1;
    justify-content: center;
    padding: 12px 14px;
    font-size: 13px;
  }

  .certificate-card {
    min-height: auto;
  }
}