/* ============================================================
   FERRO THEME — fe- prefix
   Palette: Amber #f59e0b, Zinc #18181b | IBM Plex Mono + IBM Plex Sans
   Signature: star rating, score breakdown table, industrial thick borders
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {--fe_card:     #1c1c1c;--fe_amber-dk: #d97706;--fe_border:   rgb(45,45,45);--fe_r-lg:     6px;--fe_surface:  #141414;--fe_text:     #d4d4d8;--fe_bg:       #0c0c0c;--fe_shadow:   0 4px 20px rgba(0,0,0,.6);--fe_amber-lt: #fcd34d;--fe_white:    #fafafa;--fe_muted:    #a1a1aa;--fe_amber:    #f59e0b;--fe_r:        4px;--fe_border-hv:#f59e0b;--fe_bd-thick: 3px}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {box-sizing: border-box;padding: 0;margin: 0}
html { scroll-behavior: smooth; }
body {min-height: 100vh;font-family: 'IBM Plex Sans', sans-serif;color: var(--fe_text);line-height: 1.6;font-size: 16px;background: var(--fe_bg);user-select:auto;outline-offset:0;isolation:auto;pointer-events:auto}
img {max-width: 100%;display: block;height: auto}
a {color: var(--fe_amber);text-decoration: none}
a:hover { text-decoration: underline; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 {font-weight: 700;font-family: 'IBM Plex Sans', sans-serif;line-height: 1.15;color: var(--fe_white)}
h5, h6, .fe-mono { font-family: 'IBM Plex Mono', monospace; }
h1 { font-size: clamp(2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.65rem); }
p  { color: var(--fe_text); }

/* ── Layout ─────────────────────────────────────────────────── */
.fe-container {padding: 0 20px;max-width: 1160px;margin: 0 auto;width: 100%}
.fe-section   { padding: 72px 0; }

/* ── Nav ────────────────────────────────────────────────────── */
.fe-nav {background: var(--fe_bg);position: sticky;z-index: 100;border-bottom: var(--fe_bd-thick) solid var(--fe_amber);top: 0}
.fe-nav__inner {display: flex;padding: 0 20px;height: 60px;justify-content: space-between;margin: 0 auto;max-width: 1160px;align-items: center}
.fe-nav__logo {letter-spacing: .08em;font-family: 'IBM Plex Mono', monospace;color: var(--fe_white);font-size: 1.3rem;font-weight: 600}
.fe-nav__logo span { color: var(--fe_amber); }
.fe-nav__links {list-style: none;display: flex;gap: 26px}
.fe-nav__links a {letter-spacing: .06em;transition: color .2s;text-transform: uppercase;font-size: .82rem;color: var(--fe_muted);font-family: 'IBM Plex Mono', monospace}
.fe-nav__links a:hover {color: var(--fe_amber);text-decoration: none}
.fe-nav__cta {color: #000 !important;text-transform: uppercase;font-family: 'IBM Plex Mono', monospace;background: var(--fe_amber);border-radius: var(--fe_r);letter-spacing: .08em;font-size: .82rem;padding: 8px 18px;font-weight: 600;transition: background .2s}
.fe-nav__cta:hover {text-decoration: none;background: var(--fe_amber-lt)}
.fe-burger {flex-direction: column;border: none;gap: 5px;padding: 4px;display: none;background: none;cursor: pointer}
.fe-burger span {width: 22px;transition: all .3s;display: block;height: 2px;background: var(--fe_text)}
.fe-nav__mobile { display: none; }

/* ── Hero ────────────────────────────────────────────────────── */
.fe-hero {border-bottom: var(--fe_bd-thick) solid var(--fe_border);padding: 64px 0 56px;background: var(--fe_surface)}
.fe-hero__inner {align-items: start;gap: 48px;display: grid;grid-template-columns: 1fr 400px}
.fe-hero__tag {align-items: center;border: 1px solid var(--fe_border);letter-spacing: .08em;display: inline-flex;border-radius: var(--fe_r);background: var(--fe_card);font-family: 'IBM Plex Mono', monospace;gap: 6px;margin-bottom: 18px;text-transform: uppercase;color: var(--fe_amber);font-size: .72rem;padding: 4px 12px}
.fe-hero__h1 { margin-bottom: 16px; }
.fe-hero__h1 em {font-style: normal;color: var(--fe_amber)}
.fe-hero__lead {margin-bottom: 28px;max-width: 460px;font-size: 1rem;color: var(--fe_muted)}
.fe-hero__actions {display: flex;flex-wrap: wrap;gap: 12px}

/* Star rating block */
.fe-star-block {border-radius: var(--fe_r);padding: 12px 16px;align-items: center;gap: 10px;background: var(--fe_card);display: flex;margin-bottom: 18px;border: 1px solid var(--fe_border)}
.fe-star-block__stars {font-size: 1.3rem;letter-spacing: 3px;color: var(--fe_amber)}
.fe-star-block__num {font-weight: 600;font-size: 1.4rem;color: var(--fe_white);font-family: 'IBM Plex Mono', monospace}
.fe-star-block__label {font-size: .78rem;color: var(--fe_muted)}

/* Score breakdown table (signature) */
.fe-score-table {box-shadow: var(--fe_shadow);border: var(--fe_bd-thick) solid var(--fe_border);overflow: hidden;border-radius: var(--fe_r-lg);background: var(--fe_card)}
.fe-score-table__head {align-items: center;display: flex;justify-content: space-between;padding: 12px 18px;background: var(--fe_amber)}
.fe-score-table__head h3 {letter-spacing: .06em;text-transform: uppercase;font-family: 'IBM Plex Mono', monospace;font-size: 1rem;color: #000;font-weight: 700}
.fe-score-table__overall {font-size: 1.4rem;font-weight: 700;color: rgb(0,0,0);font-family: 'IBM Plex Mono', monospace}
.fe-score-rows { padding: 10px 0; }
.fe-score-row {grid-template-columns: 130px 1fr 44px;padding: 10px 18px;border-bottom: 1px solid var(--fe_border);display: grid;gap: 12px;align-items: center}
.fe-score-row:last-child { border-bottom: none; }
.fe-score-row__name {color: var(--fe_muted);text-transform: uppercase;font-family: 'IBM Plex Mono', monospace;font-size: .78rem;letter-spacing: .06em}
.fe-score-row__bar {background: var(--fe_border);border-radius: var(--fe_r);position: relative;height: 6px}
.fe-score-row__fill {height: 100%;border-radius: var(--fe_r);background: var(--fe_amber)}
.fe-score-row__val {color: var(--fe_white);font-family: 'IBM Plex Mono', monospace;font-size: .88rem;text-align: right;font-weight: 600}
.fe-score-table__footer {padding: 14px 18px;border-top: var(--fe_bd-thick) solid var(--fe_border)}

/* ── Buttons ─────────────────────────────────────────────────── */
.fe-btn {font-family: 'IBM Plex Mono', monospace;text-decoration: none !important;text-transform: uppercase;font-size: .88rem;border-radius: var(--fe_r);padding: 13px 24px;font-weight: 600;gap: 8px;display: inline-flex;letter-spacing: .06em;cursor: pointer;transition: all .2s;border: none;align-items: center}
.fe-btn--primary {color: #000;background: var(--fe_amber)}
.fe-btn--primary:hover {background: var(--fe_amber-lt);transform: translateY(-1px)}
.fe-btn--outline {background: transparent;border: var(--fe_bd-thick) solid var(--fe_border);color: var(--fe_text)}
.fe-btn--outline:hover {border-color: var(--fe_amber);color: var(--fe_amber)}
.fe-btn--sm {font-size: .78rem;padding: 8px 16px}
.fe-btn--full {justify-content: center;width: 100%}

/* ── Feature Cards ───────────────────────────────────────────── */
.fe-features { background: var(--fe_bg); }
.fe-features__head { margin-bottom: 44px; }
.fe-features__head h2 { margin-bottom: 8px; }
.fe-features__head p { color: var(--fe_muted); }
.fe-features__grid {grid-template-columns: repeat(3, 1fr);background: var(--fe_border);gap: 2px;display: grid;border: var(--fe_bd-thick) solid var(--fe_border)}
.fe-feat-card {padding: 28px 22px;transition: background .2s;background: var(--fe_card)}
.fe-feat-card:hover { background: var(--fe_surface); }
.fe-feat-card__num {font-family: 'IBM Plex Mono', monospace;letter-spacing: .12em;font-size: .72rem;text-transform: uppercase;margin-bottom: 14px;color: var(--fe_amber)}
.fe-feat-card__icon {margin-bottom: 14px;font-size: 1.6rem}
.fe-feat-card__title {color: var(--fe_white);margin-bottom: 10px;font-size: 1.05rem;font-weight: 700}
.fe-feat-card__text {line-height: 1.65;color: var(--fe_muted);font-size: .88rem}

/* ── Star review row ─────────────────────────────────────────── */
.fe-reviews {background: var(--fe_surface);border-top: var(--fe_bd-thick) solid var(--fe_border);border-bottom: var(--fe_bd-thick) solid var(--fe_border)}
.fe-reviews__head { margin-bottom: 28px; }
.fe-reviews__grid {background: var(--fe_border);grid-template-columns: repeat(3, 1fr);gap: 2px;display: grid}
.fe-review-card {background: var(--fe_card);padding: 22px 20px}
.fe-review-card__stars {font-size: .95rem;letter-spacing: 2px;margin-bottom: 10px;color: var(--fe_amber)}
.fe-review-card__text {color: var(--fe_muted);font-style: italic;font-size: .9rem;line-height: 1.6;margin-bottom: 14px}
.fe-review-card__author {font-size: .75rem;font-family: 'IBM Plex Mono', monospace;text-transform: uppercase;letter-spacing: .06em;color: var(--fe_amber)}

/* ── FAQ ─────────────────────────────────────────────────────── */
.fe-faq { background: var(--fe_bg); }
.fe-faq__head { margin-bottom: 40px; }
.fe-faq__head p {color: var(--fe_muted);margin-top: 8px}
.fe-faq__list {display: flex;flex-direction: column;gap: 0;border: var(--fe_bd-thick) solid var(--fe_border)}
.fe-faq-item {border-bottom: 1px solid var(--fe_border);transition: background .15s}
.fe-faq-item:last-child { border-bottom: none; }
.fe-faq-item:focus-within { background: var(--fe_surface); }
.fe-faq-item__q {font-size: .95rem;color: var(--fe_white);align-items: center;cursor: pointer;display: flex;width: 100%;border: none;justify-content: space-between;background: none;gap: 16px;font-family: 'IBM Plex Sans', sans-serif;font-weight: 600;padding: 18px 20px;text-align: left}
.fe-faq-item__q:hover { color: var(--fe_amber); }
.fe-faq-item__mark {flex-shrink: 0;color: var(--fe_amber);font-family: 'IBM Plex Mono', monospace;font-size: .75rem;transition: transform .3s}
.fe-faq-item[data-open] .fe-faq-item__mark { transform: rotate(45deg); }
.fe-faq-item__a {transition: max-height .35s ease, padding .35s;max-height: 0;padding: 0 20px;overflow: hidden}
.fe-faq-item[data-open] .fe-faq-item__a {padding: 0 20px 18px;max-height: 400px}
.fe-faq-item__a p {line-height: 1.7;font-size: .9rem;color: var(--fe_muted)}

/* ── Payments ────────────────────────────────────────────────── */
.fe-payments { background: var(--fe_surface); }
.fe-payments__head { margin-bottom: 36px; }
.fe-payments__head p {margin-top: 8px;color: var(--fe_muted)}
.fe-pay-grid {border: var(--fe_bd-thick) solid var(--fe_border);grid-template-columns: repeat(5, 1fr);display: grid;background: var(--fe_border);gap: 2px}
.fe-pay-card {transition: background .2s;padding: 20px 14px;background: var(--fe_card);text-align: center}
.fe-pay-card:hover { background: var(--fe_surface); }
.fe-pay-card__icon {margin-bottom: 8px;font-size: 1.8rem}
.fe-pay-card__name {font-family: 'IBM Plex Mono', monospace;letter-spacing: .06em;text-transform: uppercase;font-size: .75rem;font-weight: 600;color: var(--fe_text)}
.fe-pay-card__time {font-size: .7rem;color: var(--fe_muted);margin-top: 4px}

/* ── CTA ─────────────────────────────────────────────────────── */
.fe-cta-section {border-top: var(--fe_bd-thick) solid var(--fe_amber);text-align: center;padding: 72px 0;background: var(--fe_surface)}
.fe-cta-section h2 { margin-bottom: 14px; }
.fe-cta-section p {margin-bottom: 28px;color: var(--fe_muted);font-size: 1rem}
.fe-cta-section .fe-btn--primary {font-size: .95rem;padding: 15px 32px}

/* ── Footer ─────────────────────────────────────────────────── */
.fe-footer {background: rgba(0,0,0,1);border-top: var(--fe_bd-thick) solid var(--fe_border);padding: 54px 0 28px}
.fe-footer__grid {display: grid;grid-template-columns: 1.5fr 1fr 1fr 1fr;margin-bottom: 44px;gap: 40px}
.fe-footer__brand {margin-bottom: 14px;font-weight: 600;letter-spacing: .06em;font-size: 1.3rem;color: var(--fe_white);font-family: 'IBM Plex Mono', monospace}
.fe-footer__brand span { color: var(--fe_amber); }
.fe-footer__desc {color: var(--fe_muted);line-height: 1.65;font-size: .85rem}
.fe-footer__col h4 {font-size: .68rem;text-transform: uppercase;margin-bottom: 14px;font-weight: 600;letter-spacing: .1em;font-family: 'IBM Plex Mono', monospace;color: var(--fe_muted)}
.fe-footer__col ul {display: flex;gap: 8px;flex-direction: column;list-style: none}
.fe-footer__col ul a {color: var(--fe_muted);font-size: .88rem;transition: color .2s}
.fe-footer__col ul a:hover {text-decoration: none;color: var(--fe_amber)}
.fe-footer__bottom {flex-wrap: wrap;border-top: 1px solid var(--fe_border);padding-top: 22px;align-items: center;justify-content: space-between;gap: 12px;display: flex}
.fe-footer__copy {color: var(--fe_muted);font-size: .8rem}
.fe-footer__warn {max-width: 500px;font-size: .75rem;color: var(--fe_muted);text-align: right}

/* ── Sticky CTA ─────────────────────────────────────────────── */
.sf-sticky-cta {position: fixed;background: var(--fe_amber);left: 0;border-top: var(--fe_bd-thick) solid var(--fe_amber-dk);transition: transform .4s cubic-bezier(.22,1,.36,1);right: 0;transform: translateY(100%);bottom: 0;z-index: 200}
.sf-sticky-cta.is-visible { transform: translateY(0); }
.sf-sticky-cta__inner {justify-content: space-between;padding: 12px 20px;gap: 16px;margin: 0 auto;max-width: 1160px;display: flex;align-items: center}
.sf-sticky-cta__text {color: #000;text-transform: uppercase;font-weight: 600;font-family: 'IBM Plex Mono', monospace;letter-spacing: .06em;font-size: .88rem}
.sf-sticky-cta__text span { text-decoration: underline; }
.sf-sticky-cta__actions {gap: 12px;align-items: center;display: flex}
.sf-sticky-cta__close {font-size: 1.1rem;padding: 4px;border: none;background: none;color: rgba(0,0,0,.6);cursor: pointer}
.sf-sticky-cta__close:hover { color: rgba(0,0,0,1); }

/* ── Legal / inner ───────────────────────────────────────────── */
.fe-page-hero {border-bottom: var(--fe_bd-thick) solid var(--fe_border);padding: 50px 0 40px;background: var(--fe_surface)}
.fe-page-hero__tag {color: var(--fe_amber);font-size: .72rem;text-transform: uppercase;margin-bottom: 10px;letter-spacing: .1em;font-weight: 600;font-family: 'IBM Plex Mono', monospace}
.fe-content {margin: 0 auto;max-width: 780px}
.fe-content h2 {border-left: var(--fe_bd-thick) solid var(--fe_amber);margin: 36px 0 12px;font-size: 1.5rem;padding-left: 14px}
.fe-content p  {color: var(--fe_muted);margin-bottom: 16px}
.fe-content ul, .fe-content ol { margin: 0 0 16px 22px; }
.fe-content li {color: var(--fe_muted);margin-bottom: 8px}

/* ── Login ───────────────────────────────────────────────────── */
.fe-login-wrap {min-height: 80vh;display: flex;align-items: center;padding: 60px 20px;justify-content: center}
.fe-login-card {background: var(--fe_surface);padding: 44px 40px;max-width: 440px;border-top: var(--fe_bd-thick) solid var(--fe_amber);border: var(--fe_bd-thick) solid var(--fe_border);width: 100%;border-radius: var(--fe_r-lg)}
.fe-login-card h2 {margin-bottom: 8px;text-align: center}
.fe-login-card__sub {margin-bottom: 28px;font-size: .9rem;text-align: center;color: var(--fe_muted)}
.fe-form {flex-direction: column;gap: 16px;display: flex}
.fe-form label {font-size: .75rem;text-transform: uppercase;display: block;font-family: 'IBM Plex Mono', monospace;letter-spacing: .08em;margin-bottom: 6px;font-weight: 600;color: var(--fe_muted)}
.fe-form input {transition: border-color .2s;font-family: 'IBM Plex Mono', monospace;padding: 12px 14px;border: 1.5px solid var(--fe_border);background: var(--fe_card);width: 100%;color: var(--fe_white);border-radius: var(--fe_r);font-size: .9rem}
.fe-form input:focus {border-color: var(--fe_amber);outline: none}
.fe-form__hint {margin-top: 4px;font-size: .78rem;color: var(--fe_muted);text-align: center}

/* ── Mobile ──────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .fe-hero__inner { grid-template-columns: 1fr; }
  .fe-features__grid { grid-template-columns: repeat(2, 1fr); }
  .fe-reviews__grid { grid-template-columns: 1fr; }
  .fe-pay-grid { grid-template-columns: repeat(3, 1fr); }
  .fe-footer__grid { grid-template-columns: 1fr 1fr; }
  .fe-nav__links { display: none; }
  .fe-nav__cta { display: none; }
  .fe-burger { display: flex; }
  .fe-nav__mobile {border-top: 1px solid var(--fe_border);padding: 16px 20px;flex-direction: column;background: var(--fe_surface);gap: 12px;display: none}
  .fe-nav__mobile.is-open { display: flex; }
  .fe-nav__mobile a {border-bottom: 1px solid var(--fe_border);color: var(--fe_text);padding: 8px 0;font-size: .92rem}
}
@media (max-width: 540px) {
  .fe-features__grid { grid-template-columns: 1fr; }
  .fe-pay-grid { grid-template-columns: repeat(2, 1fr); }
  .fe-footer__grid { grid-template-columns: 1fr; }
  .fe-login-card { padding: 28px 22px; }
}

/* siteforge-footer-overlap-guard: stable mobile footer layout + sticky CTA clearance */
:where(footer,[class*='-footer']){overflow:visible;z-index:1;position:relative}
:where([class*='footer__grid'],[class*='footer__strip'],[class*='footer__bar']){min-width:0}
:where([class*='footer__grid'],[class*='footer__strip'],[class*='footer__bar'])>*{min-width:0;max-width:100%}
:where([class*='footer__brandblock'],[class*='footer__summary'],[class*='footer__meta'],[class*='footer__copy'],[class*='footer__warn'],[class*='linkstack']){word-break:break-word;overflow-wrap:anywhere}
@media(max-width:760px){
  .sf-has-sticky-cta :where([class*='-shell']),.sf-has-sticky-cta main{padding-bottom:calc(140px + env(safe-area-inset-bottom,0px)) !important}
  .sf-has-sticky-cta main~footer,.sf-has-sticky-cta :where(footer,[class$='-footer']){padding-bottom:calc(112px + env(safe-area-inset-bottom,0px)) !important}
  :where([class*='footer__grid'],[class*='footer__strip'],[class*='footer__bar']){display:grid !important;align-items:start !important;grid-template-columns:1fr !important;gap:16px !important}
  :where([class*='footer__summary'],[class*='footer__bottom']){text-align:left;align-items:flex-start;gap:10px;display:flex;flex-direction:column}
  :where([class*='footer__brand']){max-width:110px;float:none !important;max-height:110px;margin-bottom:12px;clear:both}
}


.sf-related-articles{box-shadow:0 16px 45px rgba(15,23,42,.08);padding:clamp(18px,3vw,28px);margin:clamp(28px,5vw,56px) auto;max-width:1120px;border-radius:24px;background:rgba(255,255,255,.06);border:1px solid rgba(148,163,184,.24)}
.sf-related-articles h2{font-size:clamp(1.35rem,2.5vw,2rem);line-height:1.2;margin:0 0 8px}
.sf-related-articles>p{line-height:1.65;opacity:.78;margin:0 0 18px}
.sf-related-articles__list{margin:0;padding:0;list-style:none;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}
.sf-related-articles__link{color:inherit;background:rgba(255,255,255,.08);transition:transform .18s ease,border-color .18s ease,background .18s ease;min-height:100%;flex-direction:column;gap:7px;display:flex;padding:16px;border-radius:18px;text-decoration:none;border:1px solid rgba(148,163,184,.18)}
.sf-related-articles__link:hover{background:rgba(255,255,255,.13);border-color:rgba(59,130,246,.45);transform:translateY(-2px)}
.sf-related-articles__type{background:rgba(59,130,246,.14);opacity:.88;width:max-content;padding:3px 9px;border-radius:999px;font-size:.72rem;color:inherit;text-transform:uppercase;letter-spacing:.04em;font-weight:700}
.sf-related-articles strong{line-height:1.35;font-size:1rem}
.sf-related-articles small{opacity:.72;line-height:1.45;font-size:.88rem}
@media(max-width:640px){.sf-related-articles{border-radius:18px;padding:16px;margin:28px 12px}.sf-related-articles__list{grid-template-columns:1fr}.sf-related-articles__link{padding:14px}}