/*
  shr-learn-page-v3.css — Learn Paper Shredder 2026 (native) page-specific
  components. (v3 = the new native template; the legacy editor-content file
  is shr-learn-page.css, kept only as a revert fallback.)
  Loaded only on landing-pages/template-learn-paper-shredder-2026.php (dep:
  shr-sections). Everything structural (sections, kickers, rules, h2,
  blueprint frames + corner marks, hover-lift, scroll-reveal, icon badges,
  buttons) is reused from shr-sections.css / shr-shared.css. Only the
  genuinely unique bits live here — all scoped under .shr-learn.
*/

/* ═══════════ Hero (dark navy — buyer guides / blog posts / Google Ads
   landing pages use this dark treatment by convention, unlike the light
   hero on About/Contact/Why Buy/Why Shred/Request Quote). Deliberately NOT
   the homepage's grid-overlay recipe — a plain diagonal gradient + a
   fading red baseline is this page family's own distinct signature. */
.shr-learn-hero {
	position: relative;
	background: linear-gradient(135deg, #060a11 0%, #1e3654 50%, #060a11 100%);
	overflow: hidden;
}
/* Falling shredded-paper strips, multiply-blended so the image's white
   field disappears into the navy gradient and only the colored strips
   read as soft tinted streaks behind the hero copy. */
.shr-learn-hero::before {
	content: '';
	position: absolute; inset: 0;
	background: url('assets/no-index/paper-shredder-falling-1.webp') center / cover no-repeat;
	mix-blend-mode: multiply;
	opacity: .55;
	z-index: 0;
}
.shr-learn-hero::after {
	content: '';
	position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
	background: linear-gradient(90deg, transparent 0%, var(--s2u-red) 50%, transparent 100%);
	box-shadow: 0 0 18px 2px rgba(230, 57, 70, .55);
	z-index: 2;
}
.shr-learn-hero .s2u-kicker { color: var(--s2u-red); }
.shr-learn-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.shr-learn-hero__title {
	font-family: var(--s2u-font-heading); font-weight: 600;
	font-size: clamp(32px, 4.2vw, 54px); line-height: 1.08; letter-spacing: .01em;
	text-transform: uppercase; color: #fff; margin: 18px 0 20px;
}
.shr-learn-hero__lead { font-size: 17px; line-height: 1.6; color: rgba(255, 255, 255, .72); max-width: 60ch; margin: 0 0 28px; }
.shr-learn-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.shr-learn-hero__pills { display: flex; flex-direction: column; gap: 10px; }
.shr-learn-pill {
	display: flex; align-items: center; gap: 12px;
	padding: 12px 18px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .12);
}
.shr-learn-pill__num {
	display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
	width: 24px; height: 24px; font-family: var(--s2u-font-heading); font-weight: 600; font-size: 13px;
	color: var(--s2u-navy); background: var(--s2u-accent-400);
}
.shr-learn-pill__text { font-size: 13.5px; font-weight: 600; color: rgba(255, 255, 255, .88); }

/* ═══════════ 6-step guide ═══════════ */
.shr-learn-intro { font-size: 15.5px; line-height: 1.6; color: var(--s2u-neutral-700); margin: 0 0 32px; max-width: 66ch; }

.shr-learn-steps { display: flex; flex-direction: column; }
.shr-learn-step { display: grid; grid-template-columns: 48px 1fr; gap: 24px; padding-bottom: 40px; }
.shr-learn-step__rail { display: flex; flex-direction: column; align-items: center; }
.shr-learn-step__num {
	display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
	width: 40px; height: 40px; font-family: var(--s2u-font-heading); font-weight: 600; font-size: 18px;
	color: #fff; background: var(--s2u-navy);
}
.shr-learn-step__line { flex: 1; width: 1px; background: var(--s2u-divider); margin-top: 8px; }
.shr-learn-step__title {
	font-family: var(--s2u-font-heading); font-weight: 600; font-size: 21px;
	text-transform: uppercase; color: var(--s2u-text); margin: 6px 0 16px; max-width: 60ch;
}
.shr-learn-step__desc { font-size: 14.5px; line-height: 1.65; color: var(--s2u-neutral-700); margin: 0 0 16px; max-width: 66ch; }
.shr-learn-step__actions { display: flex; gap: 14px; flex-wrap: wrap; }
/* Ghost button local override — this section is light, not dark, so the
   sitewide .s2u-page a.s2u-btn--ghost (white border/text for dark bg) must
   be beaten with equal specificity + a navy variant, same pattern as the
   About/Why Shred CTA fixes. */
.s2u-page .shr-learn-step__actions a.s2u-btn--ghost { border-color: var(--s2u-navy); color: var(--s2u-navy); }
.s2u-page .shr-learn-step__actions a.s2u-btn--ghost:hover { background: var(--s2u-navy); color: #fff; }

.shr-learn-cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.shr-learn-cat-card { padding: 20px; background: #fff; display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: inherit; }
.shr-learn-cat-card .s2u-icon-badge { margin-bottom: 6px; }
.shr-learn-cat-card__title { font-family: var(--s2u-font-heading); font-weight: 600; font-size: 16px; text-transform: uppercase; color: var(--s2u-text); }
.shr-learn-cat-card__meta { font-size: 12.5px; color: var(--s2u-neutral-700); }
.shr-learn-cat-card__meta--dim { color: var(--s2u-neutral-500); }

.shr-learn-feed-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.shr-learn-feed-card { padding: 24px; background: #fff; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; text-decoration: none; color: inherit; }
.shr-learn-feed-card--highlight { border-color: var(--s2u-red); }
.shr-learn-feed-card__title { font-family: var(--s2u-font-heading); font-weight: 600; font-size: 18px; text-transform: uppercase; color: var(--s2u-text); }
.shr-learn-feed-card__desc { font-size: 14px; line-height: 1.6; color: var(--s2u-neutral-700); margin: 0; }
.shr-learn-feed-card__badge {
	font-size: 10.5px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
	color: var(--s2u-accent-700); background: var(--s2u-accent-100); padding: 4px 10px; margin-top: 4px;
}

.shr-learn-tips { display: flex; flex-direction: column; gap: 16px; }
.shr-learn-tip { display: flex; align-items: flex-start; gap: 14px; font-size: 14.5px; line-height: 1.6; color: var(--s2u-neutral-700); }
.shr-learn-tip strong { color: var(--s2u-text); }

.shr-learn-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 20px; }
.shr-learn-feature-item { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; line-height: 1.5; color: var(--s2u-neutral-700); }
.shr-learn-feature-item svg { width: 16px; height: 16px; color: var(--s2u-accent-700); flex-shrink: 0; margin-top: 2px; }

/* ═══════════ Security level chart ═══════════
   Real <table> markup (not styled divs) so the P-1..P-7 facts stay
   machine-extractable for accessibility tools and LLM/GEO parsing. */
.shr-learn-sec-table { padding: 0; background: #fff; margin-bottom: 28px; overflow-x: auto; }
.shr-learn-sec-table__el { width: 100%; border-collapse: collapse; }
.shr-learn-sec-table__el th, .shr-learn-sec-table__el td { padding: 14px 20px; text-align: left; vertical-align: middle; }
.shr-learn-sec-table__el thead th {
	font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--s2u-neutral-500);
	padding-bottom: 10px;
}
.shr-learn-sec-table__el tbody tr { border-top: 1px solid var(--s2u-divider); }
.shr-learn-sec-row--popular { background: var(--s2u-accent-100); }
.shr-learn-sec-row__level { font-family: var(--s2u-font-heading); font-weight: 600; font-size: 17px; color: var(--s2u-text); }
.shr-learn-sec-row__cut { font-size: 13px; color: var(--s2u-neutral-700); white-space: nowrap; }
.shr-learn-sec-row__bar-wrap { min-width: 220px; }
.shr-learn-sec-row__label { display: block; font-size: 13px; line-height: 1.4; color: var(--s2u-neutral-700); margin-bottom: 6px; }
.shr-learn-sec-row__note { color: var(--s2u-red); }
.shr-learn-sec-row__bar-bg { display: block; height: 4px; background: var(--s2u-divider); }
.shr-learn-sec-row__bar-fill { display: block; height: 100%; background: var(--s2u-accent-700); }
.shr-learn-sec-row--popular .shr-learn-sec-row__bar-fill { background: var(--s2u-red); }
.shr-learn-sec-row__pieces { font-size: 13px; color: var(--s2u-neutral-700); font-feature-settings: 'tnum' 1; white-space: nowrap; }
.shr-learn-sec-row__tag a { font-size: 13px; font-weight: 600; color: var(--s2u-accent-700); text-decoration: none; white-space: nowrap; }
.shr-learn-sec-row__tag a:hover { color: var(--s2u-red); }

.shr-learn-sec-img { line-height: 0; }
.shr-learn-sec-img img { width: 100%; height: auto; display: block; }

/* ═══════════ CTA band (dark) ═══════════ */
.shr-learn-cta { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.shr-learn-cta__copy { flex: 1 1 420px; }
.shr-learn-cta__copy .s2u-h2 { margin-bottom: 10px; }
.shr-learn-cta__copy p { font-size: 15.5px; line-height: 1.6; color: rgba(255, 255, 255, .72); margin: 0; max-width: 60ch; }
.shr-learn-cta__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ═══════════ Responsive ═══════════ */
@media (max-width: 1000px) {
	.shr-learn-hero__grid { grid-template-columns: 1fr; }
	.shr-learn-cat-grid { grid-template-columns: repeat(2, 1fr); }
	.shr-learn-sec-table__el th:last-child, .shr-learn-sec-table__el td:last-child { display: none; }
}
@media (max-width: 720px) {
	.shr-learn-feed-grid { grid-template-columns: 1fr; }
	.shr-learn-feature-grid { grid-template-columns: repeat(2, 1fr); }
	.shr-learn-step { grid-template-columns: 40px 1fr; gap: 16px; }
}
@media (max-width: 560px) {
	.shr-learn-cat-grid { grid-template-columns: 1fr; }
	.shr-learn-feature-grid { grid-template-columns: 1fr; }
	.shr-learn-sec-table__el th:nth-child(2), .shr-learn-sec-table__el td:nth-child(2),
	.shr-learn-sec-table__el th:nth-child(4), .shr-learn-sec-table__el td:nth-child(4) { display: none; }
}