/* ============================================================
   HOMETRONIC — DESIGN SYSTEM
   Editorial Minimalism · Fraunces + Jost + DM Mono
   ============================================================
   This file is the single source of truth for all visual design.
   Do NOT edit this file to change content.
   Edit js/data/ files to change content.
   ============================================================ */

/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
html { scroll-behavior: smooth; }

/* ─── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  /* Surfaces */
  --paper:   #faf8f3;
  --paper2:  #f3efe7;
  --paper3:  #ffffff;

  /* Borders */
  --rule:    #ddd7cc;
  --rule2:   #c8c0b4;

  /* Typography */
  --ink:     #161210;
  --ink2:    #5a524a;
  --ink3:    #a09890;

  /* Accent — used sparingly: CTAs, active states, overlines */
  --red:     #b5461b;
  --red-bg:  #fdf2ec;
  --red-border: #f0bca8;

  /* Semantic */
  --green:   #2d6a4f;
  --green-bg: #f0faf4;
  --green-border: #b7dfc9;
  --amber:   #8a5a1a;
  --amber-bg: #fff8f0;
  --amber-border: #f0c99a;
  --blue:    #1a3a6e;

  /* Typography families */
  --ff-s: 'Fraunces', Georgia, serif;   /* Display / headings */
  --ff-n: 'Jost', sans-serif;           /* UI / body */
  --ff-m: 'DM Mono', monospace;         /* Code */

  /* Transitions */
  --t: .2s ease;
}

/* ─── BASE ───────────────────────────────────────────────── */
body {
  font-family: var(--ff-n);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--ff-s);
  font-weight: 400;
  line-height: 1.12;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }
p  { color: var(--ink2); }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── UTILITY CLASSES ────────────────────────────────────── */
.overline {
  font-family: var(--ff-n);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink3);
}
.overline--red { color: var(--red); }

.u-mt-sm  { margin-top: 12px; }
.u-mt-md  { margin-top: 24px; }
.u-mt-lg  { margin-top: 40px; }
.u-mt-xl  { margin-top: 60px; }

/* ─── PAGE TRANSITION ────────────────────────────────────── */
.page { animation: pageIn .28s ease; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* ─── HEADER ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 243, .94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav {
  display: flex;
  align-items: center;
  height: 62px;
}

.nav__logo {
  font-family: var(--ff-s);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--ink);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.nav__logo-mark {
  font-family: var(--ff-n);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1.5px solid var(--ink);
  padding: 4px 8px;
}

.nav__links {
  display: flex;
  align-items: center;
  margin: 0 12px;
}

.nav__link {
  padding: 8px 16px;
  font-family: var(--ff-n);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--ink2);
  cursor: pointer;
  transition: color var(--t);
  border-bottom: 2px solid transparent;
  display: flex;
  align-items: center;
  height: 62px;
}
.nav__link:hover       { color: var(--ink); }
.nav__link.is-active   { color: var(--ink); border-bottom-color: var(--ink); }

.nav__cta {
  font-family: var(--ff-n);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 9px 20px;
  background: var(--ink);
  color: var(--paper);
  transition: background var(--t);
  cursor: pointer;
}
.nav__cta:hover { background: var(--red); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  margin-left: 12px;
}
.nav__hamburger span {
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  display: block;
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 62px 0 0;
  background: var(--paper);
  border-top: 1px solid var(--rule);
  flex-direction: column;
  padding: 24px 28px;
  z-index: 99;
}
.nav__mobile.is-open { display: flex; }
.nav__mobile .nav__link {
  font-size: 1rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  border-right: none;
  height: auto;
}
.nav__mobile .nav__cta {
  margin-top: 20px;
  text-align: center;
  justify-content: center;
  display: flex;
}

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-n);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 12px 24px;
  cursor: pointer;
  transition: all var(--t);
}
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--red); }
.btn--ghost   { background: transparent; border: 1.5px solid var(--rule2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--red     { background: var(--red); color: #fff; }
.btn--red:hover { background: #9a3a16; }
.btn--sm      { padding: 9px 18px; font-size: .7rem; }
.btn--full    { width: 100%; justify-content: center; }

/* ─── TAGS ───────────────────────────────────────────────── */
.tag {
  font-family: var(--ff-n);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 8px;
}
.tag--cat  {
  background: var(--paper2);
  border: 1px solid var(--rule2);
  color: var(--ink2);
}
.tag--easy {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  color: var(--green);
}
.tag--medio {
  background: var(--amber-bg);
  border: 1px solid var(--amber-border);
  color: var(--amber);
}
.tag--avanzado {
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  color: var(--red);
}

/* ─── SECTION ────────────────────────────────────────────── */
.section         { padding: 72px 0; }
.section--ruled  { border-top: 1px solid var(--rule); }
.section--shaded { background: var(--paper2); }

.section__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 38px;
}

.section__more {
  font-family: var(--ff-n);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink2);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--t);
  white-space: nowrap;
}
.section__more:hover { color: var(--red); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--rule);
}

.hero__kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.hero__kicker-line {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: end;
}

.hero h1 { margin-bottom: 24px; letter-spacing: -.02em; }
.hero h1 em { font-style: italic; color: var(--red); }

.hero__sub {
  font-size: 1.02rem;
  color: var(--ink2);
  max-width: 460px;
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 36px;
}

.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__stats {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule);
}
.hero__stat {
  padding: 22px 26px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.hero__stat:last-child { border-bottom: none; }
.hero__stat-n {
  font-family: var(--ff-s);
  font-size: 2rem;
  color: var(--ink);
  font-weight: 300;
}
.hero__stat-n sup { font-size: .9rem; }
.hero__stat-l { font-size: .78rem; color: var(--ink2); }

/* ─── CATEGORY GRID ──────────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--rule);
  border-right: none;
  border-bottom: none;
}

.cat-card {
  padding: 26px 20px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: background var(--t);
}
.cat-card:hover { background: var(--paper2); }
.cat-card__icon  { font-size: 1.4rem; margin-bottom: 10px; }
.cat-card__name  { font-family: var(--ff-s); font-size: 1.05rem; color: var(--ink); margin-bottom: 4px; }
.cat-card__count { font-size: .7rem; color: var(--ink3); letter-spacing: .04em; }

/* ─── PRODUCT CARDS ──────────────────────────────────────── */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.prod-card {
  border: 1px solid var(--rule);
  margin: -1px 0 0 -1px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: background var(--t);
  background: var(--paper3);
}
.prod-card:hover { background: var(--red-bg); }

.prod-card__img {
  height: 155px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: var(--paper2);
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.prod-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--ff-n);
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--ink);
  color: var(--paper);
}
.prod-card__badge--hot { background: var(--red); }
.prod-card__badge--new { background: var(--green); color: #fff; }
.prod-card__badge--rec { background: var(--blue); color: #fff; }

.prod-card__body   { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.prod-card__proto  { font-size: .65rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); }
.prod-card__name   { font-family: var(--ff-s); font-size: 1.08rem; color: var(--ink); line-height: 1.25; }
.prod-card__desc   { font-size: .82rem; color: var(--ink2); line-height: 1.55; flex: 1; }

.prod-card__rating { display: flex; align-items: center; gap: 6px; font-size: .76rem; color: var(--ink3); }
.prod-card__stars  { color: #8a6a40; letter-spacing: -1px; }

.prod-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--rule);
}
.prod-card__price {
  font-family: var(--ff-s);
  font-size: 1.25rem;
  color: var(--ink);
  font-weight: 300;
}
.prod-card__cta {
  font-family: var(--ff-n);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 8px 16px;
  background: var(--red);
  color: #fff;
  transition: background var(--t);
  display: inline-block;
}
.prod-card__cta:hover { background: #9a3a16; }

/* ─── TUTORIAL CARDS ─────────────────────────────────────── */
.tut-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.tut-card {
  border: 1px solid var(--rule);
  margin: -1px 0 0 -1px;
  padding: 28px;
  cursor: pointer;
  transition: background var(--t);
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--paper3);
}
.tut-card:hover { background: var(--paper2); }

.tut-card__meta  { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tut-card__time  { font-size: .7rem; color: var(--ink3); margin-left: auto; }
.tut-card__title { font-family: var(--ff-s); font-size: 1.12rem; color: var(--ink); line-height: 1.3; }
.tut-card__desc  { font-size: .84rem; color: var(--ink2); line-height: 1.6; flex: 1; }

.tut-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  margin-top: auto;
}
.tut-card__date  { font-size: .7rem; color: var(--ink3); }
.tut-card__arrow {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink3);
  transition: color var(--t);
  font-family: var(--ff-n);
}
.tut-card:hover .tut-card__arrow { color: var(--red); }

/* ─── FILTER BAR ─────────────────────────────────────────── */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.filter-btn {
  font-family: var(--ff-n);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 7px 16px;
  border: 1.5px solid var(--rule2);
  color: var(--ink2);
  cursor: pointer;
  transition: all var(--t);
  background: transparent;
}
.filter-btn:hover,
.filter-btn.is-active { border-color: var(--ink); background: var(--ink); color: var(--paper); }

/* ─── FEATURE SPLIT ──────────────────────────────────────── */
.feat-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--rule);
}
.feat-split__left  { padding: 52px 44px; border-right: 1px solid var(--rule); }
.feat-split__right { padding: 52px 44px; }

.feat-split__intro { font-size: 1rem; line-height: 1.8; max-width: 430px; color: var(--ink2); }

.feat-list { display: flex; flex-direction: column; margin-top: 28px; }
.feat-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.feat-item:first-child { border-top: 1px solid var(--rule); }
.feat-item__icon { font-size: .95rem; width: 26px; flex-shrink: 0; margin-top: 3px; text-align: center; }
.feat-item__title { font-family: var(--ff-n); font-size: .86rem; font-weight: 600; color: var(--ink); margin-bottom: 3px; }
.feat-item__desc  { font-size: .8rem; color: var(--ink2); line-height: 1.55; }

.stat-block { padding: 26px 0; border-bottom: 1px solid var(--rule); display: flex; align-items: baseline; gap: 14px; }
.stat-block:first-child { padding-top: 0; }
.stat-block__n { font-family: var(--ff-s); font-size: 2.6rem; font-weight: 300; color: var(--ink); }
.stat-block__l { font-size: .8rem; color: var(--ink2); line-height: 1.5; max-width: 190px; }

.testimonial {
  margin-top: 24px;
  padding: 22px;
  background: var(--paper2);
  border-left: 3px solid var(--ink);
}
.testimonial__quote {
  font-family: var(--ff-s);
  font-style: italic;
  font-size: .97rem;
  color: var(--ink);
  line-height: 1.65;
}
.testimonial__cite {
  display: block;
  margin-top: 10px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink3);
  font-family: var(--ff-n);
}

/* ─── NEWSLETTER ─────────────────────────────────────────── */
.newsletter {
  border: 1px solid var(--rule);
  padding: 56px 52px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}
.newsletter h2 { margin-bottom: 8px; }
.newsletter p  { color: var(--ink2); font-size: .9rem; line-height: 1.75; }

.nl-form { display: flex; }
.nl-input {
  flex: 1;
  background: var(--paper3);
  border: 1.5px solid var(--rule2);
  border-right: none;
  padding: 12px 18px;
  color: var(--ink);
  font-family: var(--ff-n);
  font-size: .9rem;
  outline: none;
  transition: border-color var(--t);
}
.nl-input:focus { border-color: var(--ink); }
.nl-input::placeholder { color: var(--ink3); }
.nl-note { font-size: .7rem; color: var(--ink3); margin-top: 10px; }

/* ─── PAGE HEADER ────────────────────────────────────────── */
.page-header {
  padding: 52px 0 44px;
  border-bottom: 1px solid var(--rule);
}
.page-header h1   { margin-top: 10px; }
.page-header__sub { font-size: .92rem; color: var(--ink2); margin-top: 12px; max-width: 540px; }

/* ─── BREADCRUMB ─────────────────────────────────────────── */
.breadcrumb-bar {
  background: var(--paper2);
  border-bottom: 1px solid var(--rule);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .73rem;
  color: var(--ink3);
  padding: 12px 0;
}
.breadcrumb__link { cursor: pointer; transition: color var(--t); }
.breadcrumb__link:hover { color: var(--red); }
.breadcrumb__sep  { color: var(--rule2); }
.breadcrumb__current { color: var(--ink2); }

/* ─── ARTICLE LAYOUT ─────────────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.article-body {
  background: var(--paper3);
  border: 1px solid var(--rule);
  padding: 44px 48px;
}
.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--ink);
}
.article-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.article-meta__date { font-size: .7rem; color: var(--ink3); }

/* Article typography */
.article h2 { font-size: 1.4rem; margin: 30px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); }
.article h3 { font-size: 1rem; margin: 22px 0 8px; font-family: var(--ff-n); font-weight: 600; color: var(--ink); }
.article p  { font-size: .91rem; color: var(--ink2); line-height: 1.78; margin-bottom: 14px; }
.article ul, .article ol { padding-left: 20px; margin-bottom: 14px; }
.article li { font-size: .91rem; color: var(--ink2); line-height: 1.7; margin-bottom: 6px; }
.article code {
  font-family: var(--ff-m);
  font-size: .78rem;
  background: var(--paper2);
  color: var(--red);
  padding: 2px 6px;
  border: 1px solid var(--rule);
}
.article pre {
  background: var(--ink);
  padding: 22px 26px;
  overflow-x: auto;
  margin: 18px 0;
  font-family: var(--ff-m);
  font-size: .78rem;
  color: #e8e0d0;
  line-height: 1.65;
}
.article pre code { background: none; border: none; color: inherit; padding: 0; }

.callout {
  border-left: 3px solid var(--ink);
  background: var(--paper2);
  padding: 14px 18px;
  margin: 18px 0;
  font-size: .85rem;
  color: var(--ink2);
}
.callout--warn { border-left-color: var(--red); background: var(--red-bg); }

/* ─── SIDEBAR ────────────────────────────────────────────── */
.sidebar-block {
  background: var(--paper3);
  border: 1px solid var(--rule);
  padding: 20px;
  margin-bottom: 1px;
}
.sidebar-block__title {
  font-family: var(--ff-n);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
.sidebar-block__link {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: .82rem;
  color: var(--ink2);
  line-height: 1.45;
  cursor: pointer;
  transition: color var(--t);
}
.sidebar-block__link:last-child { border-bottom: none; }
.sidebar-block__link:hover { color: var(--red); }

.sidebar-aff {
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  padding: 20px;
  margin-bottom: 1px;
}
.sidebar-aff__title {
  font-family: var(--ff-n);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--red-border);
}
.aff-prod { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.aff-prod__icon {
  font-size: 1.4rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper2);
  border: 1px solid var(--rule);
  flex-shrink: 0;
}
.aff-prod__name  { font-size: .84rem; font-weight: 600; color: var(--ink); font-family: var(--ff-s); }
.aff-prod__price { font-size: .76rem; color: var(--ink2); }

/* ─── PRODUCT DETAIL PAGE ────────────────────────────────── */
.prod-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.prod-detail__image {
  background: var(--paper2);
  border: 1px solid var(--rule);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
}
.prod-detail__tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.prod-detail__info { display: flex; flex-direction: column; gap: 20px; }
.prod-detail__protocol { margin-bottom: 8px; }
.prod-detail__price {
  font-family: var(--ff-s);
  font-size: 2.1rem;
  font-weight: 300;
}
.prod-detail__rating { display: flex; align-items: center; gap: 6px; margin: 10px 0; }
.prod-detail__stars  { color: #8a6a40; font-size: 1rem; letter-spacing: -1px; }
.prod-detail__rating-n { color: var(--ink); font-weight: 600; }
.prod-detail__rating-c { color: var(--ink3); font-size: .8rem; }
.prod-detail__desc { font-size: .92rem; color: var(--ink2); line-height: 1.75; }

.aff-box { background: var(--red-bg); border: 1.5px solid var(--red-border); padding: 22px; }
.aff-box__note { font-size: .75rem; color: var(--ink3); margin-top: 10px; line-height: 1.55; }

.spec-table { border: 1px solid var(--rule); width: 100%; }
.spec-row { display: flex; padding: 11px 16px; border-bottom: 1px solid var(--rule); font-size: .84rem; }
.spec-row:last-child { border-bottom: none; }
.spec-row__key {
  color: var(--ink3);
  width: 130px;
  flex-shrink: 0;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-family: var(--ff-n);
  padding-top: 2px;
}
.spec-row__val { color: var(--ink); }

/* ─── COMPARISON TABLE ───────────────────────────────────── */
.comparison-wrap { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; border: 1px solid var(--rule); }
.comparison-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--ff-n);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink2);
  border-bottom: 2px solid var(--ink);
  background: var(--paper2);
}
.comparison-table td { padding: 12px 16px; border-bottom: 1px solid var(--rule); font-size: .85rem; color: var(--ink); }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: var(--red-bg); }
.t-yes { color: var(--green); font-weight: 600; }
.t-no  { color: var(--red); }

/* ─── PROTOCOL DETAIL ────────────────────────────────────── */
.proto-split { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--rule); }
.proto-split__col { padding: 28px 32px; }
.proto-split__col:first-child { border-right: 1px solid var(--rule); }
.proto-split__label {
  font-family: var(--ff-n);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 14px;
}
.proto-split__col--pros .proto-split__label { color: var(--green); }
.proto-split__col--cons .proto-split__label { color: var(--red); }
.proto-item { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--rule); font-size: .86rem; color: var(--ink2); }
.proto-item:last-child { border-bottom: none; }
.proto-item__check { flex-shrink: 0; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.site-footer { background: var(--ink); color: var(--paper); }

.footer-aff-note {
  background: #1e1812;
  border-bottom: 1px solid #2a2520;
  padding: 14px 0;
}
.footer-aff-note p {
  font-size: .7rem;
  color: #7a7268;
  line-height: 1.6;
}

.footer-body { padding: 52px 0 40px; border-bottom: 1px solid #2a2520; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 44px;
}
.footer-brand__logo { font-family: var(--ff-s); font-size: 1.2rem; color: var(--paper); }
.footer-brand__desc { font-size: .81rem; color: #a09080; margin-top: 12px; line-height: 1.7; max-width: 240px; }

.footer-col__title {
  font-family: var(--ff-n);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #7a7268;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #2a2520;
}
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col li span {
  font-size: .82rem;
  color: #a09080;
  cursor: pointer;
  transition: color var(--t);
}
.footer-col li span:hover { color: var(--paper); }

.footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: .72rem;
  color: #6a625a;
}

/* ─── SCROLL TOP ─────────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 40px;
  height: 40px;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t), background var(--t);
  border: 1px solid #2a2520;
  font-family: var(--ff-n);
}
.scroll-top.is-visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background: var(--red); }

/* ─── EMPTY STATE ────────────────────────────────────────── */
.empty-state { text-align: center; padding: 80px 24px; }
.empty-state h2 { font-family: var(--ff-s); margin-bottom: 12px; }
.empty-state p  { color: var(--ink2); }
.empty-state a  { color: var(--red); cursor: pointer; text-decoration: underline; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 960px) {
  .nav__links,
  .nav__cta         { display: none; }
  .nav__hamburger   { display: flex; }

  .hero__grid       { grid-template-columns: 1fr; gap: 36px; }
  .hero__stats      { display: grid; grid-template-columns: 1fr 1fr; }

  .cat-grid         { grid-template-columns: repeat(3, 1fr); }

  .feat-split       { grid-template-columns: 1fr; }
  .feat-split__left { border-right: none; border-bottom: 1px solid var(--rule); }

  .newsletter       { grid-template-columns: 1fr; gap: 28px; }

  .article-layout   { grid-template-columns: 1fr; }

  .prod-detail      { grid-template-columns: 1fr; }

  .proto-split      { grid-template-columns: 1fr; }
  .proto-split__col:first-child { border-right: none; border-bottom: 1px solid var(--rule); }

  .footer-grid      { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .hero             { padding: 52px 0 48px; }
  .hero__stats      { grid-template-columns: 1fr 1fr; }
  .cat-grid         { grid-template-columns: repeat(2, 1fr); }
  .tut-grid,
  .prod-grid        { grid-template-columns: 1fr; }
  .newsletter       { padding: 36px 24px; }
  .nl-form          { flex-direction: column; }
  .nl-input         { border-right: 1.5px solid var(--rule2); border-bottom: none; }
  .article-body     { padding: 26px 20px; }
  .footer-grid      { grid-template-columns: 1fr; }
  .footer-bottom    { flex-direction: column; text-align: center; }
}