/* ==========================================================================
   learn.css — styles for /learn only (A5)
   Loads after base.css + onboarding.css. Every selector here is prefixed
   .learn- so nothing collides with the shared design system.
   ========================================================================== */

/* Design tokens (identical to the spec; re-declared so this file is
   self-describing — same values as base.css, so nothing is overridden). */
:root {
  --bg: #FAF8F2;          /* page background */
  --bg-card: #FFFEF9;     /* card background */
  --ink: #1C1913;         /* primary text */
  --ink-soft: #4A443A;    /* secondary text */
  --muted: #8A8274;       /* tertiary/meta text */
  --line: #E7E1D4;        /* hairline borders */
  --accent: #1C1913;      /* buttons = near-black */
  --accent-ink: #FAF8F2;  /* text on buttons */
  --brand: #F27427;       /* PINTAZ orange – accents only, never buttons */
  --radius-card: 20px;
  --radius-pill: 999px;
  --shadow-card: 0 18px 40px -18px rgba(28, 25, 19, 0.28);
  --ease-carousel: cubic-bezier(0.2, 0.86, 0.24, 1);
  --font: 'Inter', -apple-system, 'Segoe UI', sans-serif;
}

/* --------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

/* Mirrors base.css .container exactly (same --gutter at every breakpoint) so
   the page body lines up with the shared nav and footer. */
.learn-container {
  width: 100%;
  max-width: calc(1120px + var(--gutter, 20px) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter, 20px);
}

.learn-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
}

/* Subtle active state for the current nav item */
.learn-page .nav-link.learn-nav-current {
  color: var(--ink);
  font-weight: 600;
  position: relative;
}

.learn-page .nav-link.learn-nav-current::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1.5px;
  border-radius: var(--radius-pill);
  background: currentColor;
  opacity: 0.35;
}

/* --------------------------------------------------------------------------
   Page header
   -------------------------------------------------------------------------- */

.learn-head {
  padding-top: 56px;
  padding-bottom: 34px;
}

/* Cap the reading measure on the text, not on the container — capping the
   container would centre the whole head block away from the page grid. */
.learn-head-inner > * {
  max-width: 720px;
}

.learn-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
}

.learn-title {
  margin: 0;
  font-size: clamp(2.4rem, 6.4vw, 3.75rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.learn-lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 2.4vw, 1.125rem);
  line-height: 1.6;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   Category cards
   -------------------------------------------------------------------------- */

.learn-cats {
  padding-block: 22px 12px;
}

.learn-cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-cat-item {
  display: flex;
}

.learn-cat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-card);
  color: var(--ink);
  text-decoration: none;
  transition:
    transform 260ms var(--ease-carousel),
    box-shadow 260ms ease,
    border-color 260ms ease;
}

.learn-cat:hover,
.learn-cat:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(28, 25, 19, 0.18);
  box-shadow: var(--shadow-card);
}

.learn-cat:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.learn-cat-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 4px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--bg);
  color: var(--ink);
}

.learn-cat-title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.learn-cat-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.learn-cat-more {
  margin-top: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
  transition: color 200ms ease, transform 260ms var(--ease-carousel);
}

.learn-cat-more::after {
  content: " →";
}

.learn-cat:hover .learn-cat-more,
.learn-cat:focus-visible .learn-cat-more {
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   Feature cards
   -------------------------------------------------------------------------- */

.learn-features {
  padding-block: 44px 12px;
}

.learn-feature-stack {
  display: grid;
  gap: 20px;
}

.learn-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-card);
  transition: box-shadow 300ms ease, transform 300ms var(--ease-carousel);
}

.learn-feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.learn-feature-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.learn-tag {
  margin: 0 0 12px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--bg);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--brand);
}

.learn-feature-title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(1.6rem, 4.4vw, 2.25rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.032em;
  color: var(--ink);
}

.learn-feature-desc {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.62;
  color: var(--ink-soft);
}

.learn-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(28, 25, 19, 0.28);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: gap 220ms var(--ease-carousel), border-color 220ms ease, color 220ms ease;
}

.learn-link:hover,
.learn-link:focus-visible {
  gap: 12px;
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.learn-link:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 4px;
  border-radius: 3px;
}

/* Featured guide artwork — plan-hero cropped inside a rounded frame */
.learn-feature-art {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
  aspect-ratio: 16 / 10;
}

.learn-feature-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 32% center;
}

/* Comparison card side column */
.learn-feature-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
}

.learn-side-label {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--brand);
}

.learn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-chip {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   CTA band
   -------------------------------------------------------------------------- */

.learn-cta {
  padding-block: 68px 8px;
}

.learn-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 46px 24px 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--bg-card);
  text-align: center;
}

.learn-cta-title {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.learn-cta-sub {
  margin: 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.learn-cta-inner .btn {
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   Popular ways to browse
   -------------------------------------------------------------------------- */

.learn-browse {
  padding-block: 64px 88px;
}

.learn-browse-title {
  margin: 0 0 22px;
  font-size: clamp(1.35rem, 3.4vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.learn-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-pill {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  transition:
    transform 200ms var(--ease-carousel),
    color 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease;
}

.learn-pill:hover,
.learn-pill:focus-visible {
  transform: translateY(-1px);
  color: var(--ink);
  border-color: rgba(28, 25, 19, 0.24);
  box-shadow: 0 8px 18px -12px rgba(28, 25, 19, 0.4);
}

.learn-pill:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Responsive — 360 / 768 / 1024 / 1440
   -------------------------------------------------------------------------- */

@media (min-width: 600px) {
  .learn-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learn-cat-item:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 768px) {
  .learn-head {
    padding-top: 76px;
    padding-bottom: 42px;
  }

  .learn-cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .learn-cat-item:last-child {
    grid-column: auto;
  }

  .learn-feature {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 34px;
    padding: 36px 34px;
  }

  .learn-feature-compare {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .learn-feature-art {
    aspect-ratio: 4 / 3;
  }

  .learn-cta-inner {
    padding: 62px 40px 64px;
  }
}

@media (min-width: 1024px) {
  .learn-head {
    padding-top: 92px;
    padding-bottom: 50px;
  }

  .learn-cats {
    padding-block: 26px 16px;
  }

  .learn-features {
    padding-block: 56px 16px;
  }

  .learn-feature-stack {
    gap: 24px;
  }

  .learn-feature {
    gap: 48px;
    padding: 44px 44px;
  }

  .learn-cta {
    padding-block: 96px 8px;
  }

  .learn-browse {
    padding-block: 88px 112px;
  }
}

@media (min-width: 1440px) {
  .learn-head {
    padding-top: 104px;
  }
}

/* --------------------------------------------------------------------------
   Motion preferences
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .learn-cat,
  .learn-feature,
  .learn-link,
  .learn-pill,
  .learn-cat-more {
    transition: none;
  }

  .learn-cat:hover,
  .learn-cat:focus-visible,
  .learn-feature:hover,
  .learn-pill:hover,
  .learn-pill:focus-visible {
    transform: none;
  }
}