/* RedLinux Technosolutions — public site styles.
   Design tokens first; every colour below is a var(--token). Light is the default,
   dark follows the OS unless the visitor picks a theme (data-theme on <html>). */
:root {
  --bg: #FFFFFF;
  --bg-2: #F5F6F8;
  --surface: #FFFFFF;
  --text: #0F1623;
  --muted: #4B5563;
  --border: #E3E6EB;
  --brand: #B91C1C;
  --brand-hover: #991B1B;
  --brand-soft: #FDECEC;
  --brand-ink: #7F1D1D;
  --navy: #0F1623;
  --navy-2: #131C2E;
  --navy-3: #1B2740;
  --on-navy: #F8FAFC;
  --on-navy-muted: #B9C3D4;
  --wa: #25D366;
  --wa-ink: #0B5B2D;
  --wa-soft: #E6F8EC;
  --ok: #15803D;
  --warn-soft: #FFF4E5;
  --warn-ink: #7C3E00;
  --focus: #2563EB;
  --shadow: 0 1px 2px rgba(15, 22, 35, .06), 0 8px 24px rgba(15, 22, 35, .06);
  --r: 14px;
  --r-sm: 10px;
  --font-display: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  --person-1: #7C3AED;
  --person-2: #EC4899;
  --person-3: #F4A227;
  --person-4: #2563EB;
  --person-5: #0F766E;
  --person-6: #C41E1E;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B111B;
    --bg-2: #0F1623;
    --surface: #131C2E;
    --text: #F1F5F9;
    --muted: #A7B1C4;
    --border: #273247;
    --brand: #EF4444;
    --brand-hover: #F87171;
    --brand-soft: #3A1212;
    --brand-ink: #FECACA;
    --navy: #0B111B;
    --navy-2: #0F1623;
    --navy-3: #16203A;
    --wa-soft: #0F2A1A;
    --wa-ink: #86EFAC;
    --ok: #4ADE80;
    --warn-soft: #2A1E0A;
    --warn-ink: #FCD34D;
    --focus: #60A5FA;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B111B;
  --bg-2: #0F1623;
  --surface: #131C2E;
  --text: #F1F5F9;
  --muted: #A7B1C4;
  --border: #273247;
  --brand: #EF4444;
  --brand-hover: #F87171;
  --brand-soft: #3A1212;
  --brand-ink: #FECACA;
  --navy: #0B111B;
  --navy-2: #0F1623;
  --navy-3: #16203A;
  --wa-soft: #0F2A1A;
  --wa-ink: #86EFAC;
  --ok: #4ADE80;
  --warn-soft: #2A1E0A;
  --warn-ink: #FCD34D;
  --focus: #60A5FA;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 1.2rem + 3.6vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.55rem, 1.1rem + 1.8vw, 2.25rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .container { padding: 0 24px; } }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); color: var(--text); padding: 10px 14px; border-radius: var(--r-sm); z-index: 100; }
.skip:focus { left: 8px; }
.eyebrow { font-family: var(--font-display); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--brand); margin: 0 0 10px; }
.muted { color: var(--muted); }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 60ch; }
section { padding: 56px 0; }
@media (min-width: 900px) { section { padding: 80px 0; } }
.section-head { max-width: 62ch; margin-bottom: 28px; }
.alt { background: var(--bg-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 20px; border-radius: 999px;
  font: 600 1rem var(--font-display); text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: background .15s, border-color .15s, color .15s;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary { background: var(--brand); color: #FFFFFF; border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-hover); border-color: var(--brand-hover); }
.btn-wa { background: var(--wa); color: #06311A; border-color: var(--wa); }
.btn-wa:hover { filter: brightness(1.06); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--text); }
.hero .btn-ghost { color: var(--on-navy); border-color: rgba(255, 255, 255, .35); }
.hero .btn-ghost:hover { border-color: var(--on-navy); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .7; cursor: default; }

/* ---------- header ---------- */
.header { position: sticky; top: 0; z-index: 50; background: var(--navy); color: var(--on-navy); border-bottom: 2px solid var(--brand); }
.header .container { display: flex; align-items: center; gap: 8px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; min-height: 44px; padding: 4px 0; margin-right: auto; }
.brand img { height: 44px; width: auto; background: #FFFFFF; border-radius: 8px; padding: 4px 8px; }
.brand span { font: 800 1.05rem var(--font-display); letter-spacing: -.01em; }
.nav { display: none; align-items: center; gap: 2px; }
.nav a { color: var(--on-navy-muted); text-decoration: none; padding: 12px 12px; min-height: 44px; min-width: 44px; justify-content: center; display: inline-flex; align-items: center; border-radius: 8px; font-weight: 500; }
.nav a:hover { color: var(--on-navy); }
.header .btn { min-height: 44px; padding: 10px 16px; }
.header .btn-primary { display: none; }
.icon-btn { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .18); background: transparent; color: var(--on-navy); cursor: pointer; }
.icon-btn svg { width: 22px; height: 22px; }
.icon-btn:hover { border-color: rgba(255, 255, 255, .5); }
.ico-sun { display: none; }
:root[data-theme="dark"] .ico-sun { display: block; }
:root[data-theme="dark"] .ico-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ico-sun { display: block; }
  :root:not([data-theme="light"]) .ico-moon { display: none; }
}
.menu { position: relative; }
.menu summary { list-style: none; }
.menu summary::-webkit-details-marker { display: none; }
.menu-panel { position: absolute; right: 0; top: calc(100% + 8px); min-width: 240px; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--r); box-shadow: var(--shadow); padding: 8px; display: grid; }
.menu-panel a { padding: 12px 14px; min-height: 48px; display: flex; align-items: center; text-decoration: none; border-radius: 8px; font-weight: 500; }
.menu-panel a:hover { background: var(--bg-2); }
.menu-panel .btn { margin: 8px 6px 2px; }
@media (min-width: 900px) {
  .nav { display: flex; }
  .menu { display: none; }
  .header .btn-primary { display: inline-flex; }
}

/* ---------- hero ---------- */
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 55%, var(--navy-3) 100%); color: var(--on-navy); padding: 56px 0 40px; }
@media (min-width: 900px) { .hero { padding: 88px 0 64px; } }
.hero .eyebrow { color: #FCA5A5; }
.hero h1 { max-width: 20ch; color: var(--on-navy); }
.hero h1 em { font-style: normal; color: #FCA5A5; }
.hero .lead { color: var(--on-navy-muted); max-width: 56ch; font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 30px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; list-style: none; color: var(--on-navy-muted); font-size: .95rem; }
.hero-facts li { display: inline-flex; align-items: center; gap: 8px; }
.hero-facts svg { width: 18px; height: 18px; color: #86EFAC; flex: none; }

/* audience chooser */
.paths { display: grid; gap: 12px; margin-top: -28px; position: relative; z-index: 2; }
@media (min-width: 720px) { .paths { grid-template-columns: 1fr 1fr; gap: 16px; margin-top: -36px; } }
.path { display: block; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--r); padding: 20px; text-decoration: none; box-shadow: var(--shadow); min-height: 44px; }
.path:hover { border-color: var(--brand); }
.path .eyebrow { margin-bottom: 6px; }
.path h2 { font-size: 1.25rem; margin-bottom: 6px; }
.path p { color: var(--muted); margin: 0 0 10px; }
.path strong { color: var(--brand); font-family: var(--font-display); }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 14px; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 720px) and (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 22px; }
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.card .num { font: 800 .85rem var(--font-display); color: var(--brand); letter-spacing: .08em; margin-bottom: 8px; }
.card ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.card li { margin: 4px 0; }
.card .link { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; color: var(--brand); text-decoration: none; }
.card .link:hover { text-decoration: underline; }
.audience { border-top: 4px solid var(--brand); }
.audience-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.steps { counter-reset: step; display: grid; gap: 12px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { padding: 18px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--border); }
.step::before { counter-increment: step; content: "0" counter(step); font: 800 .85rem var(--font-display); color: var(--brand); display: block; margin-bottom: 6px; }
.step h3 { font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: .95rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { padding: 8px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: .92rem; }
.tech-group { margin-bottom: 18px; }
.tech-group h3 { font-size: .9rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }

/* ---------- trust ---------- */
.facts { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); margin: 24px 0; }
@media (min-width: 720px) { .facts { grid-template-columns: repeat(4, 1fr); } }
.fact { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 16px; }
.fact b { display: block; font: 800 1.6rem var(--font-display); color: var(--brand); }
.fact span { color: var(--muted); font-size: .92rem; }
.about-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1.2fr 1fr; gap: 40px; } }
address { font-style: normal; color: var(--muted); }
address a, .form-note a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 2px; }
address b { color: var(--text); }
.team { display: grid; gap: 10px; grid-template-columns: repeat(2, 1fr); margin: 0; padding: 0; list-style: none; }
@media (min-width: 720px) { .team { grid-template-columns: repeat(3, 1fr); } }
.team li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 12px; display: flex; gap: 10px; align-items: center; }
.avatar { width: 40px; height: 40px; border-radius: 50%; flex: none; display: inline-flex; align-items: center; justify-content: center; font: 700 .85rem var(--font-display); color: #FFFFFF; }
.team b { display: block; font-size: .95rem; }
.team span { color: var(--muted); font-size: .82rem; }
.avatar.c1 { background: var(--person-1); } .avatar.c2 { background: var(--person-2); } .avatar.c3 { background: var(--person-3); color: #1F1300; }
.avatar.c4 { background: var(--person-4); } .avatar.c5 { background: var(--person-5); } .avatar.c6 { background: var(--person-6); }

/* notice */
.notice { display: flex; gap: 12px; align-items: flex-start; background: var(--warn-soft); color: var(--warn-ink); border-radius: var(--r); padding: 16px 18px; border: 1px solid transparent; }
.notice svg { width: 22px; height: 22px; flex: none; margin-top: 2px; }
.notice p { margin: 0; }
.notice a { color: inherit; font-weight: 600; }
.notice > div { display: grid; }
.notice-link { display: inline-flex; align-items: center; min-height: 44px; justify-self: start; }

/* ---------- contact ---------- */
.contact-grid { display: grid; gap: 24px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 40px; } }
.contact-ways { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.contact-ways a { display: flex; align-items: center; gap: 12px; padding: 12px 14px; min-height: 52px; border-radius: var(--r-sm); border: 1px solid var(--border); background: var(--surface); text-decoration: none; }
.contact-ways a:hover { border-color: var(--brand); }
.contact-ways svg { width: 22px; height: 22px; flex: none; color: var(--brand); }
.contact-ways .wa svg { color: var(--wa-ink); }
.contact-ways b { display: block; font-size: .95rem; }
.contact-ways span { color: var(--muted); font-size: .85rem; }
.form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 20px; display: grid; gap: 14px; }
@media (min-width: 720px) { .form { padding: 26px; } }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .92rem; }
.field input, .field textarea, .field select {
  width: 100%; min-height: 48px; padding: 12px 14px; font: inherit; font-size: 1rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 3px solid var(--focus); outline-offset: 1px; border-color: transparent; }
.row { display: grid; gap: 14px; }
@media (min-width: 560px) { .row { grid-template-columns: 1fr 1fr; } }
.seg { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--border); border-radius: var(--r-sm); overflow: hidden; }
.seg label { display: flex; align-items: center; justify-content: center; min-height: 48px; cursor: pointer; font-weight: 600; font-size: .95rem; background: var(--bg); }
.seg input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; min-height: 0; opacity: 0; pointer-events: none; }
.seg input:checked + label { background: var(--brand); color: #FFFFFF; }
.seg input:focus-visible + label { outline: 3px solid var(--focus); outline-offset: -3px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: .88rem; color: var(--muted); margin: 0; }
.form-status { margin: 0; font-weight: 600; min-height: 1.5em; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--brand); }

/* ---------- footer ---------- */
.footer { background: var(--navy); color: var(--on-navy-muted); padding: 40px 0 28px; border-top: 2px solid var(--brand); font-size: .93rem; }
.footer-grid { display: grid; gap: 24px; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer h3 { color: var(--on-navy); font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; }
.footer a { color: var(--on-navy); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; padding: 4px 0; }
.footer address { color: var(--on-navy-muted); }
.footer address b { color: var(--on-navy); }
.footer-bottom { margin-top: 24px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .12); display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }

/* ---------- inner pages ---------- */
.page-head { background: var(--bg-2); padding: 40px 0 32px; border-bottom: 1px solid var(--border); }
.page-head h1 { font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.6rem); }
.prose { max-width: 72ch; }
.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose h3 { font-size: 1.1rem; margin-top: 1.6em; }
.prose ul { padding-left: 20px; }
.prose li { margin: 6px 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.prose th, .prose td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
@media (max-width: 640px) {
  .prose table, .prose tbody, .prose tr, .prose td { display: block; width: 100%; }
  .prose thead { display: none; }
  .prose tr { border: 1px solid var(--border); border-radius: var(--r-sm); padding: 6px 12px; margin-bottom: 12px; background: var(--surface); }
  .prose td { border: 0; padding: 8px 0; }
  .prose td::before { content: attr(data-label); display: block; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand); margin-bottom: 2px; }
}
.service { display: grid; gap: 12px; padding: 22px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); }
@media (min-width: 720px) { .service { grid-template-columns: 220px 1fr; gap: 24px; padding: 26px; } }
.service h3 { font-size: 1.2rem; margin: 0; }
.service .who { font-size: .85rem; color: var(--muted); display: block; margin-top: 4px; }
.service p { margin: 0; color: var(--muted); }
.service-list { display: grid; gap: 12px; }
.cta-band { background: var(--brand-soft); border-radius: var(--r); padding: 26px 22px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.cta-band h2 { margin: 0; font-size: 1.4rem; color: var(--brand-ink); }
.cta-band p { margin: 4px 0 0; color: var(--brand-ink); }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cf-turnstile { min-height: 0; }