/* Torqplas — site styles
   Palette: ink #13202B · steel #5B6B78 · line #D6DCE1 · paper #FFFFFF · mist #F2F4F6
            signal orange #F28C00 · leaf #8DC63F (small accent only) · link blue #0B4F8A */

:root {
  --ink: #13202B;
  --steel: #5B6B78;
  --line: #D6DCE1;
  --paper: #FFFFFF;
  --mist: #F2F4F6;
  --signal: #F28C00;
  --signal-dark: #B86A00;
  --leaf: #8DC63F;
  --link: #0B4F8A;
  --wrap: 1120px;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Barlow", "Segoe UI", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.08; margin: 0 0 .5em; letter-spacing: -.005em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1em; max-width: 68ch; }
.lead { font-size: 1.2rem; color: var(--steel); max-width: 60ch; }

/* Header */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 10; }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 1.6rem; letter-spacing: .02em; }
.nav { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .98rem; }
.nav a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--signal); }
.nav .lang { color: var(--steel); font-size: .9rem; }

/* Buttons */
.btn { display: inline-block; font-family: var(--body); font-weight: 600; font-size: 1rem; padding: 13px 22px; border-radius: 4px; text-decoration: none; border: 2px solid transparent; }
.btn-primary { background: var(--signal); color: var(--ink); }
.btn-primary:hover { background: var(--signal-dark); color: #fff; }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* Hero */
.hero { padding: 64px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero p.lead { margin-bottom: 24px; }

/* The torque gauge — the one bold element */
.gauge { background: var(--ink); color: #fff; border-radius: 6px; padding: 28px 28px 24px; position: relative; overflow: hidden; }
.gauge::after { content: ""; position: absolute; right: 0; top: 0; width: 46px; height: 6px; background: var(--leaf); }
.gauge-value { font-family: var(--display); font-weight: 700; font-size: clamp(4rem, 9vw, 6.2rem); line-height: .9; }
.gauge-unit { font-size: 1.05rem; color: #C9D2DA; margin-top: 6px; }
.gauge-track { margin: 22px 0 10px; height: 14px; background: #2A3A47; border-radius: 2px; position: relative; }
.gauge-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--signal); border-radius: 2px; animation: fill 1.4s cubic-bezier(.2,.7,.2,1) .3s forwards; }
.gauge-ticks { display: flex; justify-content: space-between; font-size: .85rem; color: #9FB0BE; }
.gauge-note { font-size: .92rem; color: #C9D2DA; margin: 14px 0 0; }
@keyframes fill { to { width: 93%; } }
@media (prefers-reduced-motion: reduce) { .gauge-fill { animation: none; width: 93%; } }

/* Sections */
.section { padding: 64px 0; }
.section-mist { background: var(--mist); }
.section-head { margin-bottom: 32px; }

/* Product lines */
.lines { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.line-panel { border: 1px solid var(--line); border-top: 6px solid var(--ink); background: var(--paper); padding: 28px; display: flex; flex-direction: column; }
.line-panel.recycle { border-top-color: var(--signal); }
.maker { font-size: .95rem; color: var(--steel); margin: -4px 0 14px; }
.line-panel ul { padding-left: 1.1em; margin: 0 0 20px; }
.line-panel li { margin-bottom: 4px; }
.line-panel .btn { align-self: flex-start; margin-top: auto; }
.bore { width: 120px; height: 64px; margin-bottom: 16px; }

/* Facts strip */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact { padding: 22px 18px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact strong { display: block; font-family: var(--display); font-size: 2rem; font-weight: 600; line-height: 1.1; }
.fact span { color: var(--steel); font-size: .95rem; }

/* Process (a real sequence) */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.steps li { counter-increment: step; padding: 18px 18px 18px 0; border-top: 3px solid var(--ink); }
.steps li + li { padding-left: 18px; }
.steps li::before { content: counter(step); font-family: var(--display); font-size: 1.6rem; font-weight: 700; color: var(--signal-dark); display: block; }
.steps h3 { font-size: 1.2rem; margin-bottom: .3em; }
.steps p { font-size: .95rem; color: var(--steel); margin: 0; }

/* Tables */
.spec-wrap { overflow-x: auto; border: 1px solid var(--line); }
table.spec { border-collapse: collapse; width: 100%; min-width: 640px; font-size: .97rem; }
table.spec caption { text-align: left; padding: 12px 14px; font-weight: 600; caption-side: top; color: var(--steel); }
table.spec th, table.spec td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.spec thead th { background: var(--ink); color: #fff; font-weight: 600; }
table.spec tbody tr:nth-child(even) { background: var(--mist); }
.tbc { color: var(--signal-dark); font-style: italic; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.08rem; list-style: none; padding-right: 28px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-size: 1.4rem; color: var(--signal-dark); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 10px 0 0; color: #33424E; }

/* Two-column prose */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.note-box { border-left: 4px solid var(--signal); background: var(--mist); padding: 18px 22px; }

/* Contact band */
.contact-band { background: var(--ink); color: #fff; padding: 48px 0; }
.contact-band h2 { color: #fff; }
.contact-band p { color: #C9D2DA; }
.contact-band .wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: 8px 0; border-bottom: 1px solid #2A3A47; }
.contact-list a { color: #fff; font-weight: 600; }

/* Footer */
.site-foot { padding: 28px 0 40px; font-size: .92rem; color: var(--steel); }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Floating WhatsApp */
.wa-float { position: fixed; right: 18px; bottom: 18px; background: #1FA855; color: #fff; text-decoration: none; font-weight: 600; padding: 12px 18px; border-radius: 28px; box-shadow: 0 4px 14px rgba(19,32,43,.25); z-index: 20; }
.wa-float:hover { color: #fff; background: #178A45; }

/* Page header for inner pages */
.page-head { padding: 52px 0 28px; border-bottom: 1px solid var(--line); }
.crumbs { font-size: .9rem; color: var(--steel); margin-bottom: 10px; }
.crumbs a { color: var(--steel); }

@media (max-width: 900px) {
  .hero-grid, .lines, .cols, .contact-band .wrap { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { border-left: 0; padding-left: 0; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding: 16px 0; }
}
@media (max-width: 560px) {
  .site-head { position: static; }
  body { font-size: 16px; }
  .nav { gap: 14px; }
  .hero { padding: 40px 0; }
  .section { padding: 48px 0; }
}

/* Articles / guides */
.article { max-width: 760px; }
.article h2 { margin-top: 1.6em; font-size: clamp(1.5rem, 3vw, 2rem); }
.article h3 { margin-top: 1.2em; }
.article ul, .article ol { padding-left: 1.2em; }
.article li { margin-bottom: 6px; }
.byline { color: var(--steel); font-size: .95rem; margin-top: -4px; }
.guide-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.guide-list li { border: 1px solid var(--line); border-left: 6px solid var(--signal); padding: 20px 22px; background: var(--paper); }
.guide-list h3 { margin-bottom: 6px; }
.guide-list p { margin: 0; color: var(--steel); }
.lead-links { margin-top: 6px; }

/* Photos */
.photo { margin: 20px 0 24px; max-width: 760px; }
.photo img { width: 100%; height: auto; border: 1px solid var(--line); background: #fff; }
.photo figcaption { font-size: .92rem; color: var(--steel); margin-top: 8px; }