/* ============================================================
   2x4BenchPlans — style.css
   Mobile-first, без фреймворков, CSS custom properties
   ============================================================ */

/* ── RESET & VARIABLES ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-wood:    #8B6914;
  --clr-wood-dk: #6b4f0f;
  --clr-wood-lt: #f5f0e8;
  --clr-text:    #1a1a1a;
  --clr-muted:   #666;
  --clr-border:  #e0d9cc;
  --clr-white:   #ffffff;
  --clr-green:   #2d7a3a;

  --font-body:   'Georgia', serif;
  --font-ui:     -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-w:       1140px;
  --gap:         1.5rem;
  --radius:      8px;

  --shadow-sm:   0 1px 4px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.75;
  color: var(--clr-text);
  background: var(--clr-white);
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--clr-wood); text-decoration: underline; }
a:hover { color: var(--clr-wood-dk); }

/* ── LAYOUT ─────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1rem; }

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr 300px;
    grid-template-rows: auto;
  }
  .article-layout > article { grid-column: 1; }
  .article-layout > aside   { grid-column: 2; grid-row: 1; }
  section.comments { grid-column: 1 / -1; }
}

/* ── NAVIGATION ─────────────────────────────────────────── */
header {
  background: var(--clr-wood);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-md);
}

.main-nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .25rem;
  min-height: 56px;
}

.main-nav a {
  color: rgba(255,255,255,.88);
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: .9rem;
  padding: .45rem .75rem;
  border-radius: var(--radius);
  transition: background .2s;
}
.main-nav a:hover,
.main-nav a.active { background: rgba(255,255,255,.18); color: #fff; }

.main-nav a.logo {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-right: auto;
  padding-left: 0;
}

/* Burger for mobile */
.nav-toggle {
  display: none;
  background: none; border: none;
  cursor: pointer;
  padding: .5rem;
  margin-left: auto;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: #fff; margin: 5px 0;
  transition: .3s;
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 0;
  }
  .main-nav a.logo { align-self: center; margin: 0 auto 0 0; }
  .main-nav .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-bottom: .5rem;
  }
  .main-nav.open .nav-links { display: flex; }
  .main-nav a:not(.logo) { width: 100%; }
}

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--clr-wood) 0%, var(--clr-wood-dk) 100%);
  color: #fff;
  text-align: center;
  padding: clamp(2rem, 6vw, 4rem) 1rem;
  border-radius: var(--radius);
  grid-column: 1 / -1;
}
.hero h1 { font-size: clamp(1.8rem, 5vw, 3rem); margin-bottom: .75rem; }
.hero p  { font-size: 1.1rem; opacity: .9; margin-bottom: 1.5rem; }

/* ── HOME MODULES ──────────────────────────────────────── */
.home-layout { display: block; }

.home-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: 1.25rem;
  align-items: start;
}

.home-col {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  min-width: 0;
}

@media (min-width: 980px) {
  .home-stack {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }
}

.finder,
.calc-teaser,
.proof-block {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: #fff;
  padding: 1.1rem 1.15rem;
}

.finder h2,
.calc-teaser h2,
.proof-block h2 { margin-bottom: .35rem; }

.finder p,
.calc-teaser p,
.proof-block p { color: var(--clr-muted); margin-bottom: .75rem; }

.tool-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: .65rem;
}

.tool-form label {
  font-family: var(--font-ui);
  font-size: .9rem;
  display: grid;
  gap: .25rem;
}

.tool-form input,
.tool-form select {
  width: 100%;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: .55rem .65rem;
  font-family: var(--font-ui);
  font-size: .95rem;
  background: #fff;
}

.tool-form button {
  border: none;
  background: var(--clr-wood);
  color: #fff;
  border-radius: var(--radius);
  padding: .62rem 1rem;
  font-family: var(--font-ui);
  font-size: .93rem;
  font-weight: 600;
  cursor: pointer;
}

.tool-form button:hover { background: var(--clr-wood-dk); }

.finder-results,
.calc-output {
  margin-top: .75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: #fcfaf6;
  padding: .75rem .85rem;
}

.finder-results ul,
.calc-output ul { margin: .35rem 0 0 1.15rem; }

.featured-plan-card { padding-bottom: .8rem; }
.featured-plan-card .feature-points {
  margin: .4rem 1rem .8rem 1.25rem;
  color: var(--clr-muted);
  font-size: .92rem;
}

.popular-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
}

@media (min-width: 980px) {
  .home-col-right .popular-list {
    max-height: 42vh;
    overflow-y: auto;
    padding-right: .35rem;
  }
}

.popular-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: .8rem .9rem;
  background: #fff;
}

.popular-item h3 {
  font-size: 1rem;
  margin-bottom: .35rem;
}

.popular-item p {
  margin-bottom: .35rem;
  color: var(--clr-muted);
  font-size: .9rem;
}

.text-link {
  font-family: var(--font-ui);
  font-size: .9rem;
  text-decoration: underline;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .9rem;
}

.proof-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.proof-item img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.proof-item h3 {
  font-size: .95rem;
  padding: .6rem .75rem .8rem;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn, .btn-outline {
  display: inline-block;
  padding: .65rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover, .btn-outline:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn {
  background: var(--clr-wood);
  color: #fff;
  border: 2px solid transparent;
}
.btn:hover { background: var(--clr-wood-dk); color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--clr-wood);
  border: 2px solid var(--clr-wood);
}
.btn-outline:hover { background: var(--clr-wood); color: #fff; }

/* ── CARDS GRID ─────────────────────────────────────────── */
.plans-grid, .category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--gap);
  grid-column: 1 / -1;
}

.plan-card {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--clr-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.plan-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.plan-card img   { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.plan-card h2,
.plan-card h3    { font-size: 1.05rem; padding: .75rem 1rem .25rem; }
.plan-card p     { font-size: .9rem; color: var(--clr-muted); padding: 0 1rem .75rem; flex: 1; }
.plan-card .btn-outline { margin: 0 1rem 1rem; align-self: flex-start; }

.category-card {
  background: var(--clr-wood-lt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: box-shadow .2s;
}
.category-card:hover { box-shadow: var(--shadow-md); }
.category-card h2 { font-size: 1.1rem; margin-bottom: .35rem; }
.category-card p  { font-size: .9rem; color: var(--clr-muted); }

/* ── ARTICLE ────────────────────────────────────────────── */
article { min-width: 0; }

#article-content h1 { font-size: clamp(1.6rem,4vw,2.4rem); margin-bottom: 1rem; line-height: 1.25; }
#article-content h2 { font-size: clamp(1.2rem,3vw,1.7rem); margin: 2rem 0 .75rem; border-bottom: 2px solid var(--clr-border); padding-bottom: .4rem; }
#article-content h3 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; color: var(--clr-wood-dk); }
#article-content p  { margin-bottom: 1rem; }
#article-content ul,
#article-content ol { margin: .5rem 0 1rem 1.5rem; }
#article-content li { margin-bottom: .4rem; }
#article-content hr { border: none; border-top: 1px solid var(--clr-border); margin: 2rem 0; }
#article-content strong { color: var(--clr-wood-dk); }
#article-content code { background: #f4f4f4; padding: .1em .4em; border-radius: 4px; font-size: .9em; }
#article-content .faq-source { margin-top: -.45rem; color: var(--clr-muted); font-size: .85rem; }
.intent-queries {
  background: #f8f5ee;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: .85rem 1rem .85rem 1.3rem;
}

/* Practical plan blocks */
.project-specs {
  background: var(--clr-wood-lt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: .9rem 1rem .9rem 1.4rem;
}

.plan-step {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0 1.2rem;
  background: #fff;
}
.plan-step h3 { margin-top: 0; }
.plan-step ul { margin-top: .7rem; }

.plan-drawing {
  margin-top: .9rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: #fcfaf6;
  padding: .65rem;
}
.plan-drawing figcaption {
  font-family: var(--font-ui);
  font-size: .82rem;
  color: var(--clr-muted);
  margin-top: .45rem;
}
.plan-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Hero image */
.hero-image { margin-bottom: 1.5rem; border-radius: var(--radius); overflow: hidden; }
.hero-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-ui);
  font-size: .85rem;
  color: var(--clr-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--clr-muted); }
.breadcrumb a:hover { color: var(--clr-wood); }

/* Cut list table */
table.cut-list {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: .9rem;
  overflow-x: auto;
  display: block;
}
table.cut-list th {
  background: var(--clr-wood);
  color: #fff;
  padding: .6rem .8rem;
  text-align: left;
  white-space: nowrap;
}
table.cut-list td {
  padding: .5rem .8rem;
  border-bottom: 1px solid var(--clr-border);
}
table.cut-list tr:nth-child(even) td { background: var(--clr-wood-lt); }

/* Author box */
.author-box {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--clr-wood-lt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 2.5rem;
}
.author-box img   { border-radius: 50%; flex-shrink: 0; width: 72px; height: 72px; object-fit: cover; }
.author-box strong { display: block; font-size: 1.05rem; margin-bottom: .25rem; }
.author-box p     { font-size: .9rem; color: var(--clr-muted); margin-bottom: .5rem; }

/* ── ASIDE ──────────────────────────────────────────────── */
aside { display: flex; flex-direction: column; gap: var(--gap); }

.cta-box {
  background: linear-gradient(135deg, var(--clr-wood) 0%, var(--clr-wood-dk) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  position: sticky;
  top: 72px;
}
.cta-box h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.cta-box p  { font-size: .9rem; opacity: .9; margin-bottom: 1rem; }
.cta-box .btn { background: #fff; color: var(--clr-wood); border-color: #fff; width: 100%; text-align: center; }
.cta-box .btn:hover { background: var(--clr-wood-lt); color: var(--clr-wood-dk); }

.related-links { background: var(--clr-wood-lt); border-radius: var(--radius); padding: 1.25rem; }
.related-links h4 { font-size: 1rem; margin-bottom: .75rem; }
.related-links ul { list-style: none; }
.related-links li { padding: .35rem 0; border-bottom: 1px solid var(--clr-border); }
.related-links li:last-child { border-bottom: none; }
.related-links a  { font-size: .9rem; }

/* ── COMMENTS ───────────────────────────────────────────── */
section.comments {
  border-top: 2px solid var(--clr-border);
  padding-top: 2rem;
  margin-top: 1rem;
}
section.comments h2 { font-size: 1.4rem; margin-bottom: 1.5rem; }

.comments-list { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 2rem; }

.comment {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.comment img { border-radius: 50%; flex-shrink: 0; width: 48px; height: 48px; }
.comment-body strong { display: block; font-family: var(--font-ui); font-size: .95rem; }
.comment-body time   { font-family: var(--font-ui); font-size: .8rem; color: var(--clr-muted); margin-bottom: .4rem; display: block; }
.comment-body p      { font-size: .95rem; margin: 0; }
.comment-body .likes { font-family: var(--font-ui); font-size: .8rem; color: var(--clr-muted); margin-top: .4rem; display: block; }

/* Comment form */
.comment-form { background: var(--clr-wood-lt); border-radius: var(--radius); padding: 1.5rem; }
.comment-form h3 { font-size: 1.1rem; margin-bottom: 1rem; }
.comment-form input,
.comment-form textarea {
  width: 100%;
  padding: .65rem .9rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  background: #fff;
  margin-bottom: .75rem;
  transition: border-color .2s;
}
.comment-form input:focus,
.comment-form textarea:focus { outline: none; border-color: var(--clr-wood); }
.comment-form button {
  background: var(--clr-wood);
  color: #fff;
  border: none;
  padding: .65rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.comment-form button:hover { background: var(--clr-wood-dk); }

/* ── ABOUT MIKE (главная) ───────────────────────────────── */
.about-mike {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  background: var(--clr-wood-lt);
  border-radius: var(--radius);
  padding: 1.5rem;
  grid-column: 1 / -1;
}
.about-mike img { border-radius: 50%; flex-shrink: 0; }
.about-mike h2  { font-size: 1.2rem; margin-bottom: .5rem; }
.about-mike p   { font-size: .95rem; color: var(--clr-muted); margin-bottom: .5rem; }

.section-cta { margin-top: 1rem; }

/* ── STATIC PAGES ───────────────────────────────────────── */
main.single-page {
  display: block;
  max-width: 900px;
}

main.single-page-wide {
  display: block;
  max-width: var(--max-w);
}

.info-page h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: 1rem; }
.info-page h2 { font-size: clamp(1.2rem, 2.8vw, 1.6rem); margin: 1.8rem 0 .6rem; }
.info-page p  { margin-bottom: .9rem; }
.info-page ul,
.info-page ol { margin: .4rem 0 1rem 1.2rem; }

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .4rem 0 1rem;
}

.filter-chip {
  border: 1px solid var(--clr-border);
  border-radius: 999px;
  background: #fff;
  color: var(--clr-text);
  padding: .4rem .8rem;
  font-family: var(--font-ui);
  font-size: .85rem;
  cursor: pointer;
}

.filter-chip.active,
.filter-chip:hover {
  background: var(--clr-wood);
  color: #fff;
  border-color: var(--clr-wood);
}

.calc-full-form .calc-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .65rem;
}

.calc-table-wrap {
  overflow-x: auto;
  margin-top: .4rem;
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.calc-table th,
.calc-table td {
  border-bottom: 1px solid var(--clr-border);
  text-align: left;
  padding: .5rem .45rem;
  font-size: .9rem;
}

.calc-table th {
  background: var(--clr-wood-lt);
}

.calc-table input {
  width: 100%;
}

.calc-actions {
  display: flex;
  gap: .6rem;
  margin-top: .75rem;
  flex-wrap: wrap;
}

.calc-actions .btn-outline {
  padding: .55rem .9rem;
}

.offer-box {
  background: var(--clr-wood-lt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1rem 0 1.2rem;
}
.offer-box .btn { margin-top: .35rem; }
.checklist li { margin-bottom: .45rem; }
.disclosure {
  font-size: .86rem;
  color: var(--clr-muted);
  margin-top: .65rem;
}

/* ── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--clr-text);
  color: rgba(255,255,255,.7);
  text-align: center;
  padding: 1.5rem 1rem;
  font-family: var(--font-ui);
  font-size: .85rem;
}
footer a { color: rgba(255,255,255,.8); }
footer a:hover { color: #fff; }

/* ── CATEGORIES page ────────────────────────────────────── */
main > h1 { font-size: clamp(1.5rem,4vw,2.2rem); grid-column: 1/-1; }
main > p:first-of-type { color: var(--clr-muted); grid-column: 1/-1; }

/* ── UTILITY ────────────────────────────────────────────── */
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

/* ── PRINT ──────────────────────────────────────────────── */
@media print {
  header, aside, .comments, footer { display: none; }
  main { display: block; }
  a::after { content: " (" attr(href) ")"; font-size: .8em; color: #555; }
}