/* ==========================================================================
   Dynamic Paradox — Reusable Components
   Buttons · Section titles · Cards · Books · Courses · Blog · Testimonials
   Forms · Accordion · Timeline · Skills · Pagination · Reveal animations
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--navy);
  --btn-fg: var(--warm);
  --btn-border: var(--navy);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  isolation: isolate;
  white-space: nowrap;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--emerald-600);
  transform: translateY(101%);
  border-radius: inherit;
  transition: transform 0.45s var(--ease);
}
.btn:hover::before { transform: translateY(0); }
.btn:hover { border-color: var(--emerald-600); color: var(--white); box-shadow: 0 12px 24px -12px rgba(5, 150, 105, 0.6); }
.btn:active { transform: scale(0.98); }
.btn svg { width: 18px; height: 18px; flex: none; transition: transform 0.4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--accent { --btn-bg: var(--emerald); --btn-fg: var(--white); --btn-border: var(--emerald); }
.btn--accent::before { background: var(--navy); }
.btn--accent:hover { border-color: var(--navy); box-shadow: 0 12px 24px -12px rgba(11, 18, 36, 0.5); }

.btn--outline { --btn-bg: transparent; --btn-fg: var(--navy); --btn-border: var(--line-strong); }
.btn--outline::before { background: var(--navy); }
.btn--outline:hover { border-color: var(--navy); color: var(--warm); box-shadow: none; }

.btn--light { --btn-bg: var(--warm); --btn-fg: var(--navy); --btn-border: var(--warm); }
.btn--ghost-light { --btn-bg: transparent; --btn-fg: var(--warm); --btn-border: rgba(250, 251, 252, 0.3); }

.btn--sm { padding: 0.65rem 1.15rem; font-size: var(--fs-xs); }
.btn--lg { padding: 1.1rem 2rem; font-size: var(--fs-base); }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--navy);
  padding-bottom: 2px;
  background: linear-gradient(var(--emerald), var(--emerald)) 0 100% / 100% 1px no-repeat;
  transition: gap 0.3s var(--ease), color 0.3s;
}
.link-arrow svg { width: 16px; height: 16px; }
.link-arrow:hover { gap: 0.85rem; color: var(--emerald-600); }
.section--dark .link-arrow { color: var(--warm); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--navy);
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.3s var(--ease);
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { background: var(--navy); color: var(--warm); border-color: var(--navy); transform: translateY(-2px); }
.icon-btn--light { color: var(--warm); border-color: rgba(250, 251, 252, 0.2); }
.icon-btn--light:hover { background: var(--emerald); border-color: var(--emerald); color: var(--white); }

.socials { display: flex; flex-wrap: wrap; gap: 0.6rem; list-style: none; padding: 0; }

/* --------------------------------------------------------------------------
   Section titles
   -------------------------------------------------------------------------- */
.section-title {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 720px;
}
.section-title--center { text-align: center; justify-items: center; margin-inline: auto; }
.section-title--split {
  max-width: none;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 1.5rem 3rem;
}
.section-title--split > div { display: grid; gap: 1rem; max-width: 640px; }

/* --------------------------------------------------------------------------
   Base card
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.4s;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card__media { position: relative; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { display: flex; flex-direction: column; gap: 0.75rem; padding: 1.5rem 1.6rem 1.75rem; flex: 1; }
.card__title { font-size: 1.4rem; line-height: 1.25; }
.card__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card__text { font-size: var(--fs-sm); color: var(--muted); line-height: 1.65; }
.card__footer { margin-top: auto; padding-top: 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.card__footer .btn, .card__footer a { position: relative; z-index: 2; }

/* Tags & badges */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  padding: 0.35rem 0.8rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  background: var(--emerald-100);
  color: var(--emerald-600);
}
.tag--navy { background: var(--navy); color: var(--warm); }
.tag--light { background: rgba(250, 251, 252, 0.94); color: var(--navy); backdrop-filter: blur(6px); }
.tag--outline { background: transparent; border: 1px solid rgba(250, 251, 252, 0.25); color: var(--warm); }

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1rem;
  font-size: var(--fs-xs);
  color: var(--muted);
}
.meta span { display: inline-flex; align-items: center; gap: 0.4rem; }
.meta svg { width: 14px; height: 14px; }
.meta .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: 0.6; }

/* Rating */
.rating { display: inline-flex; align-items: center; gap: 0.5rem; font-size: var(--fs-xs); color: var(--muted); }
.rating__stars { display: inline-flex; gap: 2px; color: var(--gold); }
.rating__stars svg { width: 15px; height: 15px; fill: currentColor; }
.rating__stars .is-empty { color: var(--warm-300); }
.rating strong { color: var(--navy); font-weight: 600; }

/* --------------------------------------------------------------------------
   Book card
   -------------------------------------------------------------------------- */
.book-card { background: transparent; border: 0; border-radius: 0; overflow: visible; }
.book-card:hover { box-shadow: none; transform: none; }
.book-card__cover {
  position: relative;
  padding: clamp(1.75rem, 4vw, 2.75rem) clamp(2rem, 5vw, 3.5rem);
  background: var(--warm-200);
  border-radius: var(--radius-lg);
  perspective: 1200px;
  isolation: isolate;
}
.book-card__cover::after {
  content: "";
  position: absolute;
  left: 18%; right: 18%; bottom: 1.2rem;
  height: 18px;
  background: rgba(11, 18, 36, 0.35);
  filter: blur(14px);
  border-radius: 50%;
  z-index: -1;
  transition: transform 0.6s var(--ease), opacity 0.6s;
}
.book-card__cover img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 3px 8px 8px 3px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.2) inset, var(--shadow);
  transform-origin: left center;
  transition: transform 0.7s var(--ease), box-shadow 0.7s var(--ease);
}
.book-card:hover .book-card__cover img { transform: rotateY(-14deg) translateY(-8px) translateX(6px); box-shadow: 18px 24px 40px -16px rgba(11, 18, 36, 0.55); }
.book-card:hover .book-card__cover::after { transform: scaleX(0.85) translateX(12px); opacity: 0.8; }
.book-card__badge { position: absolute; top: 1rem; left: 1rem; z-index: 2; }
.book-card .card__body { padding: 1.4rem 0.25rem 0; gap: 0.6rem; }
.book-card .card__footer { padding-top: 0.75rem; }
.book-card__price { font-family: var(--font-serif); font-size: 1.4rem; color: var(--navy); }
.book-card__price small { font-family: var(--font-sans); font-size: var(--fs-xs); color: var(--muted); margin-left: 0.25rem; }

/* Compact book (home preview) */
.book-shelf { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.25rem, 3vw, 2.5rem); }

/* --------------------------------------------------------------------------
   Course card
   -------------------------------------------------------------------------- */
.course-card .card__media { aspect-ratio: 16 / 10; }
.course-card__tags { position: absolute; top: 1rem; left: 1rem; right: 1rem; display: flex; justify-content: space-between; gap: 0.5rem; z-index: 2; }
.course-card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 0.9rem 0;
  border-block: 1px solid var(--line);
  margin-top: 0.25rem;
}
.course-card__stat { display: grid; gap: 0.1rem; font-size: var(--fs-xs); color: var(--muted); }
.course-card__stat svg { width: 16px; height: 16px; color: var(--emerald-600); margin-bottom: 0.2rem; }
.course-card__stat strong { color: var(--navy); font-weight: 600; font-size: var(--fs-sm); }
.course-card__price { font-family: var(--font-serif); font-size: 1.6rem; color: var(--navy); line-height: 1; }
.course-card__price s { font-family: var(--font-sans); font-size: var(--fs-sm); color: var(--muted); margin-left: 0.35rem; }

/* Horizontal course row (home preview) */
.course-row {
  display: grid;
  grid-template-columns: 80px 1.2fr 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-top: 1px solid var(--line-strong);
  position: relative;
  isolation: isolate;
  transition: padding 0.5s var(--ease);
}
.course-row:last-child { border-bottom: 1px solid var(--line-strong); }
.course-row__num { font-family: var(--font-serif); font-style: italic; font-size: 2rem; color: var(--emerald-600); }
.course-row h3 { font-size: var(--fs-xl); }
.course-row h3 a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.course-row p { font-size: var(--fs-sm); color: var(--muted); }
.course-row__arrow {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  transition: background 0.4s, color 0.4s, transform 0.5s var(--ease), border-color 0.4s;
}
.course-row__arrow svg { width: 20px; height: 20px; }
.course-row__preview {
  position: absolute;
  right: 120px;
  top: 50%;
  width: 240px;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-50%) rotate(-4deg) scale(0.9);
  transition: opacity 0.4s, transform 0.6s var(--ease);
  box-shadow: var(--shadow-lg);
  z-index: 3;
}
.course-row__preview img { width: 100%; height: 100%; object-fit: cover; }
.course-row::before {
  content: "";
  position: absolute;
  inset: 0 -1rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: scaleX(0.96) translateY(6px);
  transform-origin: left center;
  transition: opacity 0.4s var(--ease), transform 0.6s var(--ease);
  z-index: -1;
}
.course-row::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -1px;
  height: 2px;
  background: var(--emerald);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.7s var(--ease);
}
.course-row__num { display: inline-block; transition: transform 0.5s var(--ease), color 0.4s; }
.course-row h3 a { display: inline-block; transition: transform 0.5s var(--ease), color 0.4s; }
.course-row p { transition: color 0.4s, transform 0.5s var(--ease); }
.course-row:hover { padding-inline: 1rem; }
.course-row:hover::before { opacity: 1; transform: none; }
.course-row:hover::after { transform: scaleX(1); }
.course-row:hover .course-row__num { transform: scale(1.25) translateX(4px); }
.course-row:hover h3 a { transform: translateX(8px); color: var(--emerald-600); }
.course-row:hover p { color: var(--ink); transform: translateX(4px); }
.course-row:hover .course-row__arrow { background: var(--emerald); color: var(--white); border-color: var(--emerald); transform: rotate(-45deg); }
.course-row:hover .course-row__preview { opacity: 1; transform: translateY(-50%) rotate(-4deg) scale(1); }

/* --------------------------------------------------------------------------
   Blog card
   -------------------------------------------------------------------------- */
.blog-card { background: transparent; border: 0; border-radius: 0; overflow: visible; }
.blog-card:hover { box-shadow: none; transform: none; }
.blog-card .card__media { border-radius: var(--radius); aspect-ratio: 3 / 2; }
.blog-card .card__body { padding: 1.25rem 0 0; gap: 0.6rem; }
.blog-card .card__title { font-size: 1.35rem; }
.blog-card .card__title a { background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size 0.5s var(--ease); }
.blog-card:hover .card__title a { background-size: 100% 1px; }
.blog-card .card__media .tag { position: absolute; top: 1rem; left: 1rem; z-index: 2; }

/* List-style post for "latest" */
.post-list { display: grid; }
.post-item {
  position: relative;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}
.post-item:first-child { padding-top: 0; }
.post-item img { width: 140px; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius); transition: transform 0.6s var(--ease); }
.post-item:hover img { transform: scale(0.96) rotate(-2deg); }
.post-item h3 { font-size: 1.2rem; margin: 0.4rem 0; }
.post-item h3 a::after { content: ""; position: absolute; inset: 0; }
.post-item:hover h3 { color: var(--emerald-600); }

/* --------------------------------------------------------------------------
   Testimonial card
   -------------------------------------------------------------------------- */
.testimonials { columns: 3 320px; column-gap: clamp(1.25rem, 2.5vw, 2rem); }
.testimonial {
  break-inside: avoid;
  display: grid;
  gap: 1.5rem;
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.testimonial:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.testimonial__quote-icon { width: 34px; height: 34px; color: var(--emerald); }
.testimonial blockquote { font-family: var(--font-serif); font-size: 1.2rem; line-height: 1.5; color: var(--navy); }
.testimonial--featured { background: var(--navy); border-color: var(--navy); }
.testimonial--featured blockquote { color: var(--warm); font-size: 1.45rem; }
.testimonial--featured .testimonial__name { color: var(--warm); }
.testimonial--featured .testimonial__role { color: rgba(250, 251, 252, 0.6); }
.testimonial__author { display: flex; align-items: center; gap: 0.9rem; }
.testimonial__author img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.testimonial__name { display: block; font-weight: 600; font-size: var(--fs-sm); color: var(--navy); font-style: normal; }
.testimonial__role { font-size: var(--fs-xs); color: var(--muted); }

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field { display: grid; gap: 0.5rem; }
.field label { font-size: var(--fs-sm); font-weight: 500; color: var(--navy); }
.field label span { color: var(--emerald-600); }
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.95rem 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: var(--fs-base);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.textarea { min-height: 160px; resize: vertical; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B1224' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
  padding-right: 3rem;
}
.input:hover, .textarea:hover, .select:hover { border-color: var(--navy-700); }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--emerald);
  box-shadow: 0 0 0 4px rgba(0, 168, 120, 0.15);
}
.field.is-invalid .input,
.field.is-invalid .textarea,
.field.is-invalid .select { border-color: #DC2626; }
.field__error { font-size: var(--fs-xs); color: #DC2626; min-height: 1em; }
.form__note { font-size: var(--fs-xs); color: var(--muted); }
.form__status {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--emerald-100);
  color: var(--emerald-600);
  font-size: var(--fs-sm);
  font-weight: 500;
}
.form__status.is-visible { display: block; }

.chip-group { display: flex; flex-wrap: wrap; gap: 0.5rem; border: 0; padding: 0; }
.chip-group legend { font-size: var(--fs-sm); font-weight: 500; color: var(--navy); margin-bottom: 0.5rem; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all 0.25s;
}
.chip input:checked + span { background: var(--navy); color: var(--warm); border-color: var(--navy); }
.chip input:focus-visible + span { outline: 2px solid var(--emerald); outline-offset: 2px; }

/* Inline subscribe form */
.subscribe {
  display: flex;
  gap: 0.5rem;
  padding: 0.4rem;
  border-radius: var(--radius-pill);
  background: rgba(250, 251, 252, 0.08);
  border: 1px solid rgba(250, 251, 252, 0.16);
  transition: border-color 0.3s;
}
.subscribe:focus-within { border-color: var(--emerald); }
.subscribe input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 1.1rem;
  background: transparent;
  border: 0;
  color: var(--warm);
}
.subscribe input::placeholder { color: rgba(250, 251, 252, 0.5); }
.subscribe input:focus { outline: none; }
.subscribe__msg { margin-top: 0.75rem; font-size: var(--fs-sm); color: var(--emerald); min-height: 1.5em; }

/* --------------------------------------------------------------------------
   Accordion (FAQ)
   -------------------------------------------------------------------------- */
.accordion { display: grid; border-top: 1px solid var(--line-strong); }
.accordion__item { border-bottom: 1px solid var(--line-strong); }
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.6rem 0;
  text-align: left;
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  color: var(--navy);
  transition: color 0.25s;
}
.accordion__trigger:hover { color: var(--emerald-600); }
.accordion__icon {
  flex: none;
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  transition: background 0.3s, border-color 0.3s, transform 0.4s var(--ease);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 1.5px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform 0.4s var(--ease);
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon { background: var(--emerald); border-color: var(--emerald); color: var(--white); transform: rotate(180deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.5s var(--ease);
}
.accordion__panel > div { overflow: hidden; }
.accordion__panel p { padding-bottom: 1.6rem; color: var(--muted); max-width: 62ch; }
.accordion__item.is-open .accordion__panel { grid-template-rows: 1fr; }

/* --------------------------------------------------------------------------
   Timeline
   -------------------------------------------------------------------------- */
.timeline-wrap { position: relative; }
.timeline { position: relative; list-style: none; padding: 0; display: grid; gap: 0; }
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}
.timeline__progress {
  z-index: 1;
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 0;
  background: var(--emerald);
  transition: height 0.1s linear;
}
.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding-block: 2rem;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 2.5rem;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--warm);
  border: 2px solid var(--emerald);
  transform: translateX(-50%);
  z-index: 1;
}
.timeline__year {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  font-style: italic;
  color: var(--emerald-600);
  line-height: 1;
  text-align: right;
}
.timeline__content h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }
.timeline__content p { color: var(--muted); font-size: var(--fs-sm); }
.timeline__item:nth-child(even) .timeline__year { order: 2; text-align: left; }
.timeline__item:nth-child(even) .timeline__content { text-align: right; }

/* --------------------------------------------------------------------------
   Skills
   -------------------------------------------------------------------------- */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.75rem 3rem; }
.skill__head { display: flex; justify-content: space-between; margin-bottom: 0.6rem; font-weight: 500; color: var(--navy); }
.skill__head span:last-child { font-family: var(--font-serif); font-style: italic; color: var(--emerald-600); }
.skill__bar { height: 4px; background: var(--warm-300); border-radius: 4px; overflow: hidden; }
.skill__bar span {
  display: block;
  height: 100%;
  width: var(--level, 50%);
  background: linear-gradient(90deg, var(--navy), var(--emerald));
  border-radius: inherit;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.4s var(--ease);
}
.is-visible .skill__bar span { transform: scaleX(1); }

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; list-style: none; padding: 0; margin-top: 2rem; }
.skill-tags li {
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  transition: background 0.3s, color 0.3s;
}
.skill-tags li:hover { background: var(--navy); color: var(--warm); }

/* --------------------------------------------------------------------------
   Filters & pagination
   -------------------------------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: clamp(2rem, 4vw, 3rem); list-style: none; padding: 0; }
.filter-btn {
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--navy-700);
  transition: all 0.3s var(--ease);
}
.filter-btn:hover { border-color: var(--navy); color: var(--navy); }
.filter-btn[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: var(--warm); }
.filter-btn sup { margin-left: 0.2rem; font-size: 0.7em; opacity: 0.6; }

[data-filter-item].is-hidden { display: none; }

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  list-style: none;
  padding: 0;
}
.pagination a,
.pagination span {
  display: grid;
  place-items: center;
  min-width: 46px;
  height: 46px;
  padding-inline: 0.75rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--navy-700);
  transition: background 0.3s, color 0.3s;
}
.pagination a:hover { background: var(--warm-200); color: var(--navy); }
.pagination a[aria-current="page"] { background: var(--navy); color: var(--warm); }
.pagination .pagination__nav { border: 1px solid var(--line-strong); gap: 0.4rem; display: inline-flex; }
.pagination .pagination__nav svg { width: 16px; height: 16px; }
.pagination .pagination__nav--prev svg { transform: rotate(180deg); }
.pagination [aria-disabled="true"] { opacity: 0.4; pointer-events: none; }

/* --------------------------------------------------------------------------
   Values / feature mini cards
   -------------------------------------------------------------------------- */
.feature {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--white);
  display: grid;
  gap: 0.75rem;
  align-content: start;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--navy);
  color: var(--emerald);
  margin-bottom: 0.5rem;
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: 1.3rem; }
.feature p { font-size: var(--fs-sm); color: var(--muted); }

/* CTA strip */
.cta-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  border-radius: var(--radius-lg);
  background: var(--emerald-100);
}
.cta-strip h2 { font-size: var(--fs-2xl); }

/* --------------------------------------------------------------------------
   Reveal-on-scroll animations
   -------------------------------------------------------------------------- */
.js [data-animate] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--delay, 0s);
}
.js [data-animate="fade"] { transform: none; }
.js [data-animate="left"] { transform: translateX(-32px); }
.js [data-animate="right"] { transform: translateX(32px); }
.js [data-animate="scale"] { transform: scale(0.94); }
.js [data-animate].is-visible { opacity: 1; transform: none; }

/* Split-word headline reveal */
.js .split-reveal .word { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.js .split-reveal .word > span {
  display: inline-block;
  transform: translateY(105%);
  transition: transform 1s var(--ease);
  transition-delay: calc(var(--i, 0) * 0.06s + 0.1s);
}
.js .split-reveal.is-visible .word > span { transform: none; }

/* --------------------------------------------------------------------------
   Inline icon sizing & small fixes
   -------------------------------------------------------------------------- */
.testimonial > svg { width: 34px; height: 34px; color: var(--emerald); }
.grid > .testimonial { margin-bottom: 0; }
.course-card__stat dt { order: 2; }
.course-card__stat dd { margin: 0; }
.accordion__item > h3 { font-size: inherit; }

/* Contact form: error state for the status message + honeypot field */
.form__status.is-error { background: #FEE2E2; color: #B91C1C; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --------------------------------------------------------------------------
   Service pages (seo.html and the pages that follow it)
   -------------------------------------------------------------------------- */
.service-intro {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
}
.service-intro h2 { font-size: var(--fs-2xl); max-width: 22ch; }

/* Numbered process: a row of steps joined by a top rule */
.process {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
  counter-reset: step;
}
.process__step {
  position: relative;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-strong);
}
.process__step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 4px var(--warm);
}
.process__num { font-family: var(--font-serif); font-style: italic; font-size: 1.5rem; color: var(--emerald-600); }
.process__step h3 { font-size: 1.35rem; margin: 0.5rem 0 0.6rem; }
.process__step p { font-size: var(--fs-sm); color: var(--muted); }

.skill-tags.related { margin-top: 1.25rem; }
.skill-tags.related li { padding: 0; border: 0; }
.skill-tags.related li:hover { background: transparent; color: inherit; }

.cta-center { display: grid; justify-items: center; gap: 2rem; text-align: center; }
.cta-center h2 { font-size: clamp(2.5rem, 1.5rem + 4vw, 4.5rem); }
.cta-strip__action { display: grid; gap: 0.75rem; justify-items: start; font-size: var(--fs-sm); color: var(--muted); }

/* Linked feature card (home services preview) */
a.feature--link { color: inherit; }
.feature__more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--emerald-600);
  transition: gap 0.3s var(--ease);
}
.feature__more svg { width: 16px; height: 16px; }
.feature--link:hover .feature__more { gap: 0.9rem; }

/* --------------------------------------------------------------------------
   Floating WhatsApp button (bottom-right; back-to-top sits above it)
   -------------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  height: 56px;
  min-width: 56px;
  padding: 0 15px;
  border-radius: var(--radius-pill);
  background: #25D366;
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(37, 211, 102, 0.65), 0 2px 6px rgba(11, 18, 36, 0.18);
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.25s;
}
.whatsapp-float svg { width: 26px; height: 26px; flex: none; }
.whatsapp-float__label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: var(--fs-sm);
  font-weight: 600;
  opacity: 0;
  transition: max-width 0.4s var(--ease), opacity 0.3s, margin 0.4s var(--ease);
}
.whatsapp-float:hover,
.whatsapp-float:focus-visible { background: #1EBE5A; transform: translateY(-3px); box-shadow: 0 14px 28px -8px rgba(37, 211, 102, 0.75), 0 2px 6px rgba(11, 18, 36, 0.2); }
.whatsapp-float:hover .whatsapp-float__label,
.whatsapp-float:focus-visible .whatsapp-float__label { max-width: 8rem; opacity: 1; margin-left: 0.6rem; }
.whatsapp-float::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid #25D366;
  animation: wa-pulse 2.6s ease-out infinite;
  pointer-events: none;
}
@keyframes wa-pulse { from { transform: scale(1); opacity: 0.7; } to { transform: scale(1.45); opacity: 0; } }
.back-to-top { bottom: 5.5rem; right: 1.65rem; }