/* ============================================================
   ChaseMate — "Clean Trade" (1a)
   Responsive one-page product site. No dependencies.
   ============================================================ */

@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/archivo-var.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-var.woff2") format("woff2");
}

:root {
  --ink: #0a1822;
  --ink-2: #102434;
  --line-dark: #1d3a4d;
  --body: #51677a;
  --muted: #64798c;
  --faint: #7c92a4;
  --line: #e2eaf0;
  --paper: #f2f7fa;
  --white: #ffffff;
  --blue: #1289cf;
  --blue-deep: #0d74b2;
  --blue-ink: #0d7cbd;
  --aqua: #35c3de;
  --green: #12a150;
  --red: #e6455a;
  --radius: 16px;
  --wrap: min(1160px, 100% - 48px);
  --display: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
h1, h2, h3 { font-family: var(--display); }
.icon { width: 1.1em; height: 1.1em; flex: none; }
:focus-visible { outline: 3px solid var(--blue-ink); outline-offset: 3px; border-radius: 2px; }
section[id], [id="top"] { scroll-margin-top: 96px; }

.wrap { width: var(--wrap); margin-inline: auto; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px;
  font-weight: 700; transition: top .15s ease;
}
.skip-link:focus { top: 12px; }

.eyebrow {
  margin: 0 0 12px;
  font: 700 12px/1 var(--display);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue-ink);
}
.eyebrow--aqua { color: var(--aqua); }
.eyebrow--center { text-align: center; }

h2 {
  margin: 0 0 14px;
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -.01em;
}
.h2--center { text-align: center; margin-inline: auto; max-width: 28ch; }
.h2--light { color: #fff; }
.section-lead { margin: 0; font-size: 16px; color: var(--body); max-width: 64ch; text-wrap: pretty; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 10px; border: 0;
  font: 700 15px var(--font); cursor: pointer; min-height: 48px;
}
.button--primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px rgba(18, 137, 207, .28); }
.button--primary:hover { background: var(--blue-deep); }
.button--small { padding: 10px 18px; min-height: 44px; font-size: 14px; box-shadow: none; }
.button--ghost { border: 1.5px solid #c6d6e1; color: var(--ink); }
.button--ghost:hover { border-color: var(--blue); color: var(--blue-ink); }
.button--outline { border: 1.5px solid #c6d6e1; color: var(--ink); font-size: 13.5px; padding: 11px 20px; }
.button--outline:hover { border-color: var(--blue); color: var(--blue-ink); }
.button--aqua { background: var(--aqua); color: #06232c; }
.button--aqua:hover { background: #5cd2e8; }
.button--ghost-dark { border: 1.5px solid #2b4a5e; color: #eaf3f8; }
.button--ghost-dark:hover { border-color: var(--aqua); color: var(--aqua); }
.text-link { color: var(--blue-ink); font-weight: 700; }
.text-link:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 60; }
.top-strip { background: var(--ink); color: #cfe0ea; font-size: 13px; }
.top-strip__inner { display: flex; gap: 22px; align-items: center; padding-block: 8px; flex-wrap: wrap; }
.top-strip__contact { font-weight: 600; color: #fff; }
.top-strip__contact + .top-strip__contact { color: #cfe0ea; }
.top-strip__note { margin-left: auto; color: #7fd4e6; font-weight: 600; }

.nav { background: rgba(255, 255, 255, .95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; gap: 24px; padding-block: 12px; }
.brand img { height: 44px; width: auto; }
.nav-menu { display: flex; gap: 24px; margin-left: auto; align-items: center; font-size: 14.5px; font-weight: 600; color: #31485a; }
.nav-menu a:not(.button):hover { color: var(--blue-ink); }
.nav-toggle {
  display: none; margin-left: auto; align-items: center; gap: 10px;
  background: none; border: 1.5px solid #c6d6e1; border-radius: 10px;
  padding: 10px 16px; font-weight: 700; cursor: pointer; min-height: 44px;
}
.nav-toggle__bars {
  width: 18px; height: 2px; background: var(--ink); position: relative; display: block;
}
.nav-toggle__bars::before, .nav-toggle__bars::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(180deg, #f2f7fa 0%, #ffffff 82%); }
.hero__layout {
  display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: 54px; align-items: center; padding-block: 56px 52px;
}
.hero h1 {
  margin: 0 0 18px;
  font-weight: 800;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.04;
  letter-spacing: -.015em;
}
.hero__lead { margin: 0 0 26px; font-size: 17px; color: var(--body); max-width: 52ch; text-wrap: pretty; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__proof {
  list-style: none; display: flex; gap: 28px; flex-wrap: wrap;
  margin: 32px 0 0; padding: 20px 0 0; border-top: 1px solid #dfe9ef;
}
.hero__proof li + li { border-left: 1px solid #dfe9ef; padding-left: 28px; }
.hero__proof strong { display: block; font: 800 19px var(--display); }
.hero__proof span { font-size: 13px; color: var(--muted); }
.hero__media { margin: 0; position: relative; }
.hero__media > img { border-radius: 18px; box-shadow: 0 26px 60px rgba(10, 24, 34, .2); }
.hero__tag {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  border-radius: 999px; padding: 9px 16px; font: 700 13px var(--font);
  box-shadow: 0 8px 22px rgba(10, 24, 34, .2);
}
.hero__tag--top { top: 18px; left: 18px; background: #fff; color: var(--ink); }
.hero__tag--bottom { bottom: 18px; right: 18px; background: var(--ink); color: #fff; }

.size-rail { border-top: 1px solid var(--line); background: #fff; }
.size-rail__inner { display: flex; align-items: center; gap: 28px; padding-block: 14px; }
.size-rail__label { font: 700 11px var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--faint); flex: none; }
.size-rail__sizes { flex: 1; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 18px; }
.size-rail__sizes a { font: 800 15px var(--display); border-left: 2px solid var(--blue); padding-left: 8px; }
.size-rail__sizes a:hover { color: var(--blue-ink); }

/* ---------- Trust ---------- */
.trust { background: var(--paper); border-bottom: 1px solid #e6edf2; }
.trust__inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 22px; align-items: center; padding-block: 18px;
}
.trust__item { display: flex; align-items: center; gap: 12px; font-size: 12.5px; font-weight: 600; color: #44596b; line-height: 1.45; }
.trust__item > img { width: 52px; height: 52px; flex: none; }
.trust__leaf { width: 34px; height: 34px; flex: none; }
.trust__chip { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; display: inline-flex; flex: none; }
.trust__chip img { height: 26px; width: auto; }

/* ---------- Sections ---------- */
.section { padding-block: 72px; }
.section--muted { background: var(--paper); }
.section--dark { background: var(--ink); color: #eaf3f8; }
.section--dark .section-lead, .section--dark p { color: #9db4c2; }

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 36px; }
.compare__card { margin: 0; position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.compare__card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.compare__badge {
  position: absolute; top: 16px; left: 16px; width: 38px; height: 38px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
}
.compare__badge--wrong { background: var(--red); box-shadow: 0 6px 16px rgba(230, 69, 90, .4); }
.compare__badge--right { background: var(--green); box-shadow: 0 6px 16px rgba(18, 161, 80, .4); }
.compare__card figcaption { padding: 16px 20px; }
.compare__card figcaption strong { display: block; font: 800 15.5px var(--display); }
.compare__card figcaption span { font-size: 13.5px; color: var(--muted); }

.benefits { list-style: none; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.benefits li {
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
  font-size: 13.5px; font-weight: 600; color: #31485a;
  display: flex; gap: 10px; align-items: flex-start;
}
.benefits .icon { color: var(--blue); margin-top: 2px; }

/* Steps */
.steps { list-style: none; margin: 44px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.steps li { border-top: 2px solid rgba(53, 195, 222, .45); padding-top: 18px; }
.steps__num { font: 800 40px/1 var(--display); color: var(--aqua); }
.steps h3 { margin: 12px 0 6px; font: 800 17px var(--display); color: #fff; }
.steps p { margin: 0; font-size: 13.5px; }

.tech {
  margin: 46px 0 0; background: #fff; border-radius: var(--radius); padding: 22px;
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(240px, .5fr); gap: 26px; align-items: center;
}
.tech__dim { font: 600 12px ui-monospace, Menlo, monospace; color: var(--faint); letter-spacing: .1em; }
.tech figcaption strong { display: block; margin: 8px 0 6px; font: 800 17px var(--display); color: var(--ink); }
.tech figcaption span:last-child { font-size: 13.5px; color: var(--body); line-height: 1.55; }

/* Sizes */
.size-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 38px; }
.size-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
}
.size-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(10, 24, 34, .13); }
.size-card__photo { display: block; aspect-ratio: 4 / 3; background: #e8f0f5; overflow: hidden; }
.size-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.size-card__body { display: block; padding: 18px 20px 20px; }
.size-card__row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.size-card__mm { font: 800 32px/1 var(--display); }
.size-card__mm small { font: 700 15px var(--display); color: var(--muted); }
.size-card__price { font-size: 13.5px; color: var(--body); }
.size-card__price strong { color: var(--ink); font-size: 15px; }
.size-card__bar { display: block; height: 6px; background: var(--line); border-radius: 99px; margin: 14px 0; }
.size-card__bar i { display: block; height: 100%; width: var(--w, 50%); background: var(--blue); border-radius: 99px; }
.size-card__cta { font: 700 14px var(--font); color: var(--blue-ink); }
.size-note { margin: 18px 0 0; font-size: 12.5px; color: var(--faint); }

.bulk {
  margin-top: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  display: grid; grid-template-columns: minmax(260px, .42fr) minmax(0, .58fr); overflow: hidden;
}
.bulk__intro { padding: 28px; border-right: 1px solid #eef3f7; }
.bulk__intro h3 { margin: 0 0 10px; font: 800 24px/1.2 var(--display); }
.bulk__intro p:last-child { margin: 0; font-size: 14px; color: var(--body); }
.bulk__table { padding: 14px 28px; }
.bulk__row {
  display: grid; grid-template-columns: 64px 1fr 78px 74px; gap: 14px; align-items: center;
  padding: 10px 0; border-top: 1px solid #eef3f7;
}
.bulk__row:first-child { border-top: 0; }
.bulk__row strong { font: 800 15px var(--display); }
.bulk__row span:nth-child(2) { font-size: 13px; color: var(--muted); }
.bulk__row span:nth-child(3) { font-weight: 700; font-size: 14px; }
.bulk__row a { font: 700 13px var(--font); color: var(--blue-ink); }
.bulk__row a:hover { text-decoration: underline; }

/* Trades */
.trade-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.trade-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.trade-card:hover { border-color: #bcd6e6; }
.trade-card__icon { width: 28px; height: 28px; color: var(--blue); }
.trade-card h3 { margin: 14px 0 6px; font: 800 17px var(--display); }
.trade-card p { margin: 0; font-size: 13.5px; color: var(--body); }

/* Demos */
.video-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.video-card {
  position: relative; display: block; border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 8px 24px rgba(10, 24, 34, .1);
}
.video-card:hover { box-shadow: 0 18px 40px rgba(10, 24, 34, .18); }
.video-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.video-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 24, 34, 0) 45%, rgba(10, 24, 34, .72) 100%);
}
.play-badge {
  position: absolute; top: 16px; left: 16px; z-index: 1; width: 44px; height: 44px; border-radius: 999px;
  background: rgba(255, 255, 255, .92); display: flex; align-items: center; justify-content: center;
}
.video-card strong { position: absolute; left: 18px; bottom: 16px; z-index: 1; color: #fff; font: 700 15.5px var(--display); }
.social-row { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

/* Wholesale */
.wholesale { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); gap: 48px; align-items: center; }
.starter { background: var(--ink-2); border: 1px solid var(--line-dark); border-radius: 14px; padding: 20px 22px; margin: 24px 0; }
.starter h3 { margin: 0 0 12px; font: 800 18px var(--display); color: #fff; }
.starter h3 span { color: var(--aqua); }
.check-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: #c6d8e2; }
.check-list li { padding-left: 26px; position: relative; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 15px; height: 15px;
  background: var(--aqua);
  clip-path: polygon(39% 68%, 17% 47%, 8% 57%, 39% 87%, 92% 25%, 82% 16%);
}
.wholesale__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.wholesale__media { margin: 0; }
.wholesale__media img { border-radius: var(--radius); }
.wholesale__media figcaption { margin-top: 10px; font-size: 12.5px; color: #7f98a8; }

/* FAQ */
.faq { display: grid; grid-template-columns: minmax(260px, .38fr) minmax(0, .62fr); gap: 48px; }
.faq__intro p { font-size: 14.5px; color: var(--body); }
.accordion details { border-top: 1px solid var(--line); }
.accordion summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 0; font: 700 16px var(--display); cursor: pointer; list-style: none;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary:hover { color: var(--blue-ink); }
.accordion__plus { flex: none; width: 26px; height: 26px; border-radius: 999px; border: 1.5px solid #c6d6e1; position: relative; }
.accordion__plus::before, .accordion__plus::after {
  content: ""; position: absolute; background: var(--blue-ink); top: 50%; left: 50%;
}
.accordion__plus::before { width: 11px; height: 2px; transform: translate(-50%, -50%); }
.accordion__plus::after { width: 2px; height: 11px; transform: translate(-50%, -50%); }
.accordion details[open] .accordion__plus::after { display: none; }
.accordion details p { margin: 0; padding: 0 0 16px; font-size: 14.5px; color: var(--body); max-width: 68ch; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(260px, .42fr) minmax(0, .58fr); gap: 48px; align-items: start; }
.contact-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.contact-list a {
  display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 16px; min-height: 48px;
}
.contact-list a:hover { border-color: var(--blue); }
.contact-list strong {
  display: block; font-size: 11px; color: var(--faint); text-transform: uppercase; letter-spacing: .08em;
  min-width: 76px;
}
.enquiry-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 28px; display: flex; flex-direction: column; gap: 16px;
}
.form-note { margin: 0; font-size: 12.5px; color: var(--faint); }
.enquiry-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.enquiry-form label { display: flex; flex-direction: column; gap: 6px; font: 700 13px var(--font); color: #31485a; }
.enquiry-form input, .enquiry-form textarea {
  border: 1px solid #c6d6e1; border-radius: 8px; padding: 11px 12px;
  font: 400 15px var(--font); color: var(--ink); background: #fff; min-height: 44px;
}
.enquiry-form textarea { resize: vertical; min-height: 110px; }
.enquiry-form input:focus, .enquiry-form textarea:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px rgba(18, 137, 207, .15); }
.enquiry-form .button { align-self: flex-start; }
.form-status { margin: 0; font-size: 13.5px; font-weight: 600; color: var(--green); min-height: 1em; }

/* Footer */
.site-footer { background: var(--ink); color: #b7c9d4; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 36px; padding-block: 54px 0; }
.footer-logo { font: 800 24px var(--display); color: #fff; }
.footer-logo span { color: var(--aqua); }
.footer-brand p { margin: 10px 0 14px; font-size: 13.5px; max-width: 30ch; }
.footer-social { display: flex; gap: 16px; font-size: 13px; }
.footer-social a { color: #7fd4e6; }
.footer-col { display: flex; flex-direction: column; gap: 9px; font-size: 13.5px; }
.footer-col h2 {
  margin: 0 0 4px; font: 700 12px var(--display);
  letter-spacing: .14em; text-transform: uppercase; color: var(--faint);
}
.footer-col a:hover { color: #fff; }
.footer-legal {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  border-top: 1px solid var(--line-dark); margin-top: 40px; padding-block: 18px 22px;
  font-size: 12px; color: var(--faint);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1020px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 18px;
    box-shadow: 0 24px 40px rgba(10, 24, 34, .12);
  }
  .site-header.nav-open .nav-menu { display: flex; }
  .nav { position: relative; }
  .nav-menu a { padding: 13px 4px; border-bottom: 1px solid #eef3f7; font-size: 15.5px; }
  .nav-menu a.button { margin-top: 14px; border-bottom: 0; }
  .hero__layout { grid-template-columns: 1fr; gap: 34px; padding-block: 44px 42px; }
  .trust__inner { grid-template-columns: 1fr 1fr; }
  .size-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 28px 24px; }
  .benefits { grid-template-columns: 1fr 1fr; }
  .trade-grid { grid-template-columns: 1fr 1fr; }
  .wholesale { grid-template-columns: 1fr; gap: 32px; }
  .faq { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .bulk { grid-template-columns: 1fr; }
  .bulk__intro { border-right: 0; border-bottom: 1px solid #eef3f7; }
  .tech { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --wrap: min(1160px, 100% - 36px); }
  .section { padding-block: 52px; }
  .top-strip__note { display: none; }
  .brand img { height: 38px; }
  .hero h1 { font-size: clamp(34px, 9.6vw, 44px); }
  .hero__lead { font-size: 15.5px; }
  .hero__actions .button { width: 100%; }
  .hero__proof { gap: 18px; }
  .hero__proof li + li { padding-left: 18px; }
  .size-rail__inner { flex-direction: column; align-items: flex-start; gap: 10px; }
  .size-rail__sizes { width: 100%; }
  .trust__inner { grid-template-columns: 1fr; gap: 14px; }
  .compare { grid-template-columns: 1fr; }
  .size-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .benefits { grid-template-columns: 1fr; }
  .trade-grid { grid-template-columns: 1fr; }
  .video-cards { grid-template-columns: 1fr; }
  .bulk__table { padding: 10px 18px; }
  .bulk__row { grid-template-columns: 52px 1fr 64px 58px; gap: 10px; font-size: 13px; }
  .enquiry-form { padding: 20px; }
  .enquiry-form__row { grid-template-columns: 1fr; }
  .enquiry-form .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-legal { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .size-card, .size-card:hover { transition: none; transform: none; }
}