/* Operon System website. Brand Identity Guidelines v1.1: light-first, Rich Brown leads, Deep Blue supports,
   Muted Gold as a restrained accent; Manrope (headings), Inter (text), Space Grotesk (figures, labels). No photography. */
:root {
  --brown: #493329; --navy: #192D46; --gold: #B99A60; --gold-text: #7A5A2E; --ivory: #F3EFE7; --charcoal: #302C2A;
  --grey: #D8D2C8; --line: #E7E1D7; --muted: #6B625B; --white: #FFFFFF;
  --display: "Manrope", "Inter", system-ui, sans-serif; --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --tech: "Space Grotesk", "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--charcoal); font: 16px/1.6 var(--sans); }
a { color: inherit; }
img, svg { display: block; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--display); color: var(--charcoal); margin: 0; letter-spacing: -.015em; }
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.08; font-weight: 800; }
h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.15; font-weight: 800; }
h3 { font-size: 18px; font-weight: 700; }
p { margin: 0 0 12px; }
.eyebrow { font: 600 12px var(--tech); letter-spacing: .16em; text-transform: uppercase; color: var(--gold-text); margin-bottom: 14px; }
.lede { font-size: 18px; color: var(--muted); max-width: 640px; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--brown); }
.logo svg { width: 30px; height: 30px; padding-right: 10px; border-right: 1px solid var(--line); box-sizing: content-box; }
.logo b { font: 800 19px/1 var(--display); display: block; }
.logo span { font: 600 8.5px/1 var(--display); letter-spacing: .45em; color: var(--gold); display: block; margin-top: 4px; }
nav.main { display: flex; gap: 26px; margin-left: 12px; }
nav.main a { text-decoration: none; font-weight: 500; color: var(--muted); font-size: 15px; }
nav.main a:hover, nav.main a[aria-current] { color: var(--brown); }
.top .actions { margin-left: auto; display: flex; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; font: 600 15px var(--sans);
       padding: 11px 20px; border-radius: 6px; border: 1px solid var(--brown); background: var(--brown); color: #fff; cursor: pointer; }
.btn:hover { background: #3a281f; }
.btn.ghost { background: transparent; color: var(--brown); border-color: var(--grey); }
.btn.ghost:hover { border-color: var(--brown); }
.btn.light { background: var(--ivory); color: var(--brown); border-color: var(--ivory); }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; cursor: pointer; }
@media (max-width: 860px) {
  nav.main, .top .actions { display: none; }
  .menu-btn { display: block; }
  .top.open nav.main, .top.open .actions { display: flex; }
  .top.open .wrap { flex-wrap: wrap; height: auto; padding-top: 14px; padding-bottom: 14px; }
  .top.open nav.main { flex-direction: column; gap: 12px; width: 100%; margin: 8px 0 0; order: 3; }
  .top.open .actions { width: 100%; order: 4; margin: 4px 0 6px; }
}

/* sections */
section { padding: 88px 0; }
section.ivory { background: var(--ivory); }
section.brown { background: var(--brown); color: var(--ivory); }
section.brown h2, section.brown h3 { color: var(--ivory); }
section.brown .lede { color: rgba(243,239,231,.8); }
.hero { padding: 96px 0 80px; background: var(--ivory); }
.hero .grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero .note { margin-top: 18px; font-size: 14px; color: var(--muted); }
@media (max-width: 900px) { .hero .grid { grid-template-columns: 1fr; } section { padding: 64px 0; } }
.head { max-width: 720px; margin-bottom: 44px; }
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cols2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 860px) { .cols3, .cols2 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 26px; }
section.ivory .card { border-color: #E2DBD0; }
.step-no { font: 600 13px var(--tech); color: var(--gold-text); letter-spacing: .1em; margin-bottom: 14px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.icon { width: 40px; height: 40px; border-radius: 6px; background: rgba(185,154,96,.16); display: grid; place-items: center; margin-bottom: 16px; color: var(--brown); }
.icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
ul.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
ul.ticks li { padding-left: 26px; position: relative; }
ul.ticks li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 12px; height: 7px; border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold); transform: rotate(-45deg); }

/* product mock (no photography) */
.mock { border-radius: 10px; overflow: hidden; border: 1px solid #E2DBD0; box-shadow: 0 18px 50px rgba(73,51,41,.12); display: grid; grid-template-columns: 150px 1fr; background: #fff; font-size: 12px; }
.mock .s { background: var(--brown); color: rgba(243,239,231,.72); padding: 16px 12px; display: grid; gap: 6px; align-content: start; }
.mock .s .b { color: var(--ivory); font: 800 15px var(--display); margin-bottom: 8px; }
.mock .s .b small { display: block; font: 600 7px var(--display); letter-spacing: .4em; color: var(--gold); margin-top: 3px; }
.mock .s div { padding: 5px 8px; border-radius: 4px; border: 1px solid transparent; }
.mock .s .on { background: rgba(185,154,96,.22); border-color: rgba(185,154,96,.55); color: #fff; }
.mock .m { background: var(--ivory); padding: 18px; }
.mock .m h4 { margin: 0 0 12px; font: 800 18px var(--display); color: var(--charcoal); }
.mock .k { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mock .k div { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 10px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .06em; font-family: var(--tech); }
.mock .k b { display: block; font: 600 20px var(--tech); color: var(--charcoal); letter-spacing: 0; margin-top: 4px; text-transform: none; }
.mock .bars { margin-top: 12px; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 12px; display: grid; gap: 7px; }
.mock .bar { display: grid; grid-template-columns: 90px 1fr; gap: 8px; align-items: center; color: var(--muted); }
.mock .bar span { height: 8px; border-radius: 4px; background: var(--grey); position: relative; overflow: hidden; }
.mock .bar span i { position: absolute; inset: 0 auto 0 0; border-radius: 4px; }
.mock .log { margin-top: 12px; background: var(--navy); color: var(--ivory); border-radius: 6px; padding: 10px 12px; font: 11px/1.6 var(--tech); }
.mock .log em { color: #D9C08F; font-style: normal; }
@media (max-width: 560px) { .mock { grid-template-columns: 1fr; } .mock .s { display: none; } }

/* plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } }
.plan { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 30px 26px; display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--brown); }
.plan .name { font: 600 13px var(--tech); letter-spacing: .14em; text-transform: uppercase; color: var(--gold-text); }
.plan .price { font: 700 40px/1.1 var(--tech); color: var(--charcoal); margin: 14px 0 2px; }
.plan .price small { font: 500 15px var(--sans); color: var(--muted); }
.plan .contacts { font: 600 17px var(--display); color: var(--brown); margin: 14px 0 18px; }
.plan ul.ticks { margin-bottom: 26px; font-size: 15px; }
.plan .btn { margin-top: auto; }
.badge { display: inline-block; align-self: flex-start; font: 600 11px var(--tech); letter-spacing: .1em; text-transform: uppercase; background: rgba(185,154,96,.18); color: var(--gold-text); padding: 4px 9px; border-radius: 4px; margin-bottom: 14px; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; }
@media (max-width: 760px) { .facts { grid-template-columns: 1fr; } }
.fact { padding: 18px 0; border-bottom: 1px solid var(--line); }
.fact h3 { font-size: 16px; margin-bottom: 4px; }
.fact p { color: var(--muted); font-size: 15px; margin: 0; }

/* values */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.values div { padding: 26px 22px 26px 0; border-bottom: 1px solid var(--line); }
.values h3 { margin-bottom: 6px; }
.values p { color: var(--muted); font-size: 15px; margin: 0; }
@media (max-width: 760px) { .values { grid-template-columns: 1fr; } }

/* call to action + footer */
.cta-band { text-align: center; }
.cta-band .lede { margin: 12px auto 28px; }
.cta-band .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
footer { background: var(--charcoal); color: rgba(243,239,231,.75); padding: 52px 0 36px; font-size: 14px; }
footer .grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 760px) { footer .grid { grid-template-columns: 1fr; } }
footer .logo { color: var(--ivory); }
footer .logo svg { border-color: rgba(243,239,231,.2); color: var(--gold); }
footer h4 { font: 600 12px var(--tech); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin: 0 0 12px; }
footer a { text-decoration: none; display: block; margin: 6px 0; } footer a:hover { color: #fff; }
footer .base { border-top: 1px solid rgba(243,239,231,.14); margin-top: 36px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* legal pages */
.legal { max-width: 780px; }
.legal h2 { font-size: 22px; margin: 40px 0 10px; }
.legal h3 { font-size: 17px; margin: 24px 0 8px; }
.legal p, .legal li { color: #4A433E; }
.legal ul { padding-left: 22px; margin: 0 0 12px; } .legal li { margin: 6px 0; }
.legal .updated { font: 500 13px var(--tech); color: var(--muted); letter-spacing: .04em; }
.legal .callout { background: var(--ivory); border-left: 3px solid var(--gold); padding: 16px 20px; border-radius: 4px; margin: 18px 0; }
.legal a { color: var(--brown); font-weight: 600; }
.toc { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; margin: 18px 0 0; }
.toc a { color: var(--brown); }

/* how it works */
.flow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; margin-top: 8px; counter-reset: flow; }
.flow a { position: relative; text-decoration: none; padding: 18px 14px 18px 18px; background: #fff; border: 1px solid #E2DBD0; border-left: 0; display: grid; gap: 6px; min-height: 120px; }
.flow a:first-child { border-left: 1px solid #E2DBD0; border-radius: 8px 0 0 8px; }
.flow a:last-child { border-radius: 0 8px 8px 0; }
.flow a:not(:last-child)::after { content: ""; position: absolute; right: -9px; top: 50%; width: 16px; height: 16px; background: #fff; border-top: 1px solid #E2DBD0; border-right: 1px solid #E2DBD0; transform: translateY(-50%) rotate(45deg); z-index: 1; }
.flow a:hover { background: #FBF8F3; }
.flow .n { font: 600 12px var(--tech); color: var(--gold-text); letter-spacing: .1em; }
.flow b { font: 700 15px/1.25 var(--display); color: var(--charcoal); }
.flow span { font-size: 13px; color: var(--muted); line-height: 1.4; }
@media (max-width: 960px) { .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } .flow a, .flow a:first-child, .flow a:last-child { border: 1px solid #E2DBD0; border-radius: 8px; } .flow a::after { display: none; } }
@media (max-width: 520px) { .flow { grid-template-columns: 1fr; } }
.step { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 48px; align-items: center; }
.step.flip { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
.step.flip .txt { order: 2; }
@media (max-width: 900px) { .step, .step.flip { grid-template-columns: 1fr; gap: 24px; } .step.flip .txt { order: 0; } }
.step .num { font: 700 13px var(--tech); letter-spacing: .14em; color: var(--gold-text); margin-bottom: 10px; }
.step h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 14px; }
.step p { color: var(--muted); }
.step ul.ticks { margin-top: 14px; font-size: 15px; }
.shot { margin: 0; }
.shot img { width: 100%; height: auto; border-radius: 10px; border: 1px solid #E2DBD0; box-shadow: 0 18px 50px rgba(73,51,41,.12); background: var(--ivory); }
.shot figcaption { font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.shot + .shot { margin-top: 18px; }
.nextlink { display: inline-block; margin-top: 16px; font-weight: 600; color: var(--brown); text-decoration: none; }
.nextlink:hover { text-decoration: underline; }