/* Bright Future Academy — Blog (Poppins + site green style) */

:root {
  --ink: #0b1a14;
  --ink-soft: #1c3228;
  --paper: #f3f7f4;
  --paper-2: #e7efe9;
  --line: rgba(11, 26, 20, 0.1);
  --green: #27ae60;
  --green-deep: #1e8449;
  --amber: #f2994a;
  --muted: #5b6f66;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(11, 26, 20, 0.1);
  --radius: 18px;
  --font: "Poppins", sans-serif;
}

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

.blog-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: #f7faf8;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ========== HERO (Courses text + image that always shows) ========== */
.site-header {
  position: relative;
  overflow: hidden;
  margin-top: 50px;
  height: auto;
  background-color: #122018;
}

.site-header-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
  display: block;
  pointer-events: none;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

.site-header .header-inner {
  position: relative;
  z-index: 2;
}

.blog-topics {
  position: relative;
  z-index: 2;
  margin-top: -28px;
}

.blog-topics-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 10px 14px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: auto;
  scrollbar-color: #1e8449 #d4e8dc;
}

.blog-topics-inner::-webkit-scrollbar,
.blog-filters::-webkit-scrollbar {
  height: 10px;
}

.blog-topics-inner::-webkit-scrollbar-track,
.blog-filters::-webkit-scrollbar-track {
  background: #d4e8dc;
  border-radius: 999px;
  box-shadow: inset 0 1px 2px rgba(11, 26, 20, 0.08);
}

.blog-topics-inner::-webkit-scrollbar-thumb,
.blog-filters::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, #1e8449, #27ae60 55%, #f2994a);
  border: 2px solid #d4e8dc;
  border-radius: 999px;
  min-width: 48px;
  box-shadow: 0 1px 4px rgba(30, 132, 73, 0.35);
}

.blog-topics-inner::-webkit-scrollbar-thumb:hover,
.blog-filters::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(90deg, #145a32, #1e8449 55%, #e67e22);
}

.blog-topics-inner > span {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 4px;
}

.topic-chip {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.topic-chip:hover {
  color: var(--green-deep);
  border-bottom-color: var(--amber);
}

.topic-chip.active {
  color: var(--green-deep);
  border-bottom-color: var(--green);
  font-weight: 700;
}

/* ========== MAIN ========== */
.blog-main {
  width: min(1120px, calc(100% - 32px));
  margin: 56px auto 40px;
}

.blog-main-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.blog-main-head h2 {
  margin: 0 0 8px;
  font-family: var(--font);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  letter-spacing: -0.02em;
  color: #0f6b2a;
}

.blog-main-head h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-top: 10px;
  border-radius: 4px;
  background: var(--amber);
}

.blog-main-head p {
  margin: 0;
  color: var(--muted);
  max-width: 42ch;
  line-height: 1.55;
}

.blog-result-count {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--green-deep);
  white-space: nowrap;
}

/* Category filter */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.blog-filter-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 10px 14px 12px;
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
}

.blog-filter-btn::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: transparent;
  transition: background 0.2s ease;
}

.blog-filter-btn:hover {
  color: var(--ink);
}

.blog-filter-btn.active {
  color: var(--green-deep);
}

.blog-filter-btn.active::after {
  background: linear-gradient(90deg, var(--green), var(--amber));
}

/* ========== CARDS ========== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(11, 26, 20, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: blogRise 0.55s ease both;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(11, 26, 20, 0.12);
}

.blog-card-media {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: linear-gradient(135deg, #d8f3e3, #e8eef5);
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease;
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.06);
}

.blog-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--green-deep);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 6px 16px rgba(11, 26, 20, 0.12);
}

.blog-card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 18px 20px;
  flex: 1;
}

.blog-card-body h3 {
  margin: 0;
  font-family: var(--font);
  font-size: 1.15rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.blog-card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 4.4em;
}

.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding-top: 4px;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.blog-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-card-meta i {
  color: var(--green);
  font-size: 0.75rem;
}

.blog-card-author {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  border-top: none;
  font-size: 0.84rem;
  font-weight: 500;
  color: #64748b;
}

.blog-card-author i {
  color: var(--green);
  font-size: 0.85rem;
}

.blog-card-author strong {
  color: #0f172a;
  font-weight: 600;
}

.blog-read-more {
  align-self: flex-start;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1.5px solid rgba(39, 174, 96, 0.4);
  background: transparent;
  color: var(--green-deep);
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.blog-read-more:hover {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  border: 1px dashed var(--line);
}

/* ========== PAGINATION ========== */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
}

.blog-page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-soft);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
}

.blog-page-btn:hover:not(:disabled) {
  border-color: var(--green);
  color: var(--green-deep);
}

.blog-page-btn.active {
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 18px rgba(31, 157, 87, 0.3);
}

.blog-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========== STAY UPDATED ========== */
.blog-newsletter {
  width: min(920px, calc(100% - 32px));
  margin: 48px auto 32px;
}

.blog-newsletter-card {
  text-align: center;
  padding: clamp(28px, 4vw, 40px) clamp(20px, 4vw, 36px);
  border-radius: 22px;
  background: #fff;
  border: 1px solid rgba(39, 174, 96, 0.18);
  box-shadow: 0 16px 40px rgba(15, 107, 42, 0.1);
  background-image:
    radial-gradient(circle at 10% 0%, rgba(39, 174, 96, 0.1), transparent 45%),
    radial-gradient(circle at 90% 100%, rgba(242, 153, 74, 0.1), transparent 40%);
}

.blog-newsletter-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(39, 174, 96, 0.12);
  color: #1e8449;
  font-size: 1.25rem;
}

.blog-newsletter-card h2 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  color: #0f6b2a;
  font-family: var(--font);
}

.blog-newsletter-card > p {
  margin: 0 auto 22px;
  max-width: 42ch;
  font-size: 0.98rem;
  line-height: 1.6;
  color: #3d5a48;
}

.blog-newsletter-form {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 520px;
  margin: 0 auto;
}

.blog-newsletter-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 13px 18px;
  border: 1.5px solid #b7e0c4;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 0.95rem;
  color: #1a3d2a;
  background: #fff;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.blog-newsletter-form input[type="email"]:focus {
  border-color: #27ae60;
  box-shadow: 0 0 0 4px rgba(39, 174, 96, 0.15);
}

.blog-newsletter-form input[type="email"]::placeholder {
  color: #8aa394;
}

.blog-newsletter-form .btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #27ae60;
  color: #fff;
  padding: 13px 26px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: 0.25s ease;
  box-shadow: 0 8px 18px rgba(39, 174, 96, 0.28);
  white-space: nowrap;
}

.blog-newsletter-form .btn-cta:hover {
  background: #1e8449;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(39, 174, 96, 0.35);
}

.blog-subscribe-msg {
  min-height: 1.25em;
  margin: 14px 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: #1e8449;
}

.blog-subscribe-msg.error {
  color: #b91c1c;
}

.blog-subscribe-msg.info {
  color: #64748b;
  font-weight: 500;
}

/* Footer spacing tweak on this page */
.blog-body footer {
  margin-top: 20px;
}

/* ========== MOTION ========== */
@keyframes blogRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-card {
    animation: none !important;
  }

  .blog-card:hover,
  .blog-card:hover .blog-card-media img {
    transform: none;
  }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
  .blog-topics-inner {
    justify-content: flex-start;
    padding: 14px 16px 22px;
    gap: 12px 16px;
    scroll-padding-inline: 16px;
  }

  .blog-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding-bottom: 16px;
    scroll-padding-inline: 4px;
    border-bottom: none;
  }

  .blog-filter-btn {
    flex-shrink: 0;
    white-space: nowrap;
  }
}

@media (max-width: 980px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-header {
    height: auto;
    min-height: 420px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 380px;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-newsletter-form {
    flex-direction: column;
  }

  .blog-newsletter-form input[type="email"],
  .blog-newsletter-form .btn-cta {
    width: 100%;
  }
}