/* Express IT Service marketing site — no build step. Mirrors the sgspa.web structure. */
:root {
  --bg: #f8fafd;
  --surface: #ffffff;
  --surface-2: #eef3fb;
  --ink: #0f1b33;
  --ink-2: #47556f;
  --ink-3: #5d6a82;
  --line: #e0e7f1;
  --brand: #1f5fbf;
  --brand-text: #1a54aa;
  --brand-ink: #ffffff;
  --brand-soft: #e5eefb;
  --accent: #19b4dc;
  --accent-2: #7c5cff;
  --hero-a: #060d1f;
  --hero-b: #0d2a5c;
  --radius: 18px;
  --shadow: 0 12px 34px -14px rgba(10, 30, 70, .28);
  --max: 1160px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #070d19; --surface: #0f1829; --surface-2: #121d31; --ink: #edf2fa; --ink-2: #b4c0d4;
    --ink-3: #8794aa; --line: #213049; --brand: #5b9bf0; --brand-text: #8ab8f5; --brand-ink: #06142b; --brand-soft: #16284a;
    --accent: #3ccbef; --accent-2: #9d86ff; --hero-a: #040812; --hero-b: #0b2150; --shadow: 0 12px 34px -14px rgba(0,0,0,.7);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
section[id] { scroll-margin-top: 66px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--brand-text); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); }
h3, h2.h3 { font-size: 1.12rem; letter-spacing: -.01em; }
p { margin: 0 0 1em; color: var(--ink-2); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }
.section { padding: 88px 0; }
.section-alt { background: var(--surface-2); }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--brand-text); margin-bottom: .7rem; }
.lead { font-size: 1.1rem; max-width: 660px; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.grad { background: linear-gradient(90deg, #6fd6f5, #a99bff); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.4rem; border-radius: 999px; font-weight: 600; border: 1.5px solid transparent; transition: transform .15s, box-shadow .15s, background .15s; cursor: pointer; font: inherit; font-weight: 600; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: var(--brand-ink); box-shadow: var(--shadow); }
.btn-light { background: #fff; color: #0b1f45; }
.btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-outline { border-color: var(--line); color: var(--ink); background: var(--surface); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.logo { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.08rem; color: var(--ink); letter-spacing: -.01em; white-space: nowrap; }
.logo:hover { text-decoration: none; }
.logo picture { display: block; flex: 0 0 auto; }
.logo img { height: 40px; width: auto; }
.logo small { display: block; font-size: .68rem; font-weight: 600; color: var(--ink-3); letter-spacing: .06em; text-transform: uppercase; line-height: 1; margin-top: 2px; }
.logo span { line-height: 1.1; }
.nav-links { display: none; gap: 26px; align-items: center; }
.nav-links a { color: var(--ink-2); font-weight: 500; font-size: .95rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); text-decoration: none; }
.nav-links a[aria-current="page"] { font-weight: 600; }
.nav-cta { display: none; gap: 10px; align-items: center; }
.menu-btn { background: none; border: 1px solid var(--line); border-radius: 10px; width: 42px; height: 42px; display: grid; place-items: center; color: var(--ink); cursor: pointer; }
.mobile-menu { display: none; border-top: 1px solid var(--line); padding: 12px 16px 20px; background: var(--bg); }
.mobile-menu a { display: block; padding: .7rem 0; color: var(--ink); font-weight: 500; border-bottom: 1px solid var(--line); }
.mobile-menu .btn { display: flex; margin-top: 14px; width: 100%; justify-content: center; border-bottom: 0; color: var(--brand-ink); }
.mobile-menu.open { display: block; }
@media (min-width: 960px) {
  .nav-links, .nav-cta { display: flex; }
  .menu-btn, .mobile-menu, .mobile-menu.open { display: none; }
}

/* Hero */
.hero { position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(900px 420px at 88% -5%, rgba(25,180,220,.35), transparent 60%),
    radial-gradient(700px 400px at 5% 110%, rgba(124,92,255,.28), transparent 60%),
    linear-gradient(165deg, var(--hero-a), var(--hero-b)); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px; -webkit-mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 75%); }
.hero-grid { position: relative; display: grid; gap: 48px; padding-top: 72px; padding-bottom: 96px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr 1fr; padding-top: 100px; padding-bottom: 120px; } }
.hero h1 { font-size: clamp(2.2rem, 5.4vw, 3.7rem); font-weight: 800; letter-spacing: -.03em; }
.hero p { color: rgba(255,255,255,.82); font-size: 1.14rem; max-width: 560px; }
.pill { display: inline-flex; gap: .5rem; align-items: center; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); padding: .35rem .9rem; border-radius: 999px; font-size: .85rem; margin-bottom: 1.3rem; color: #fff; }
.pill i { width: 8px; height: 8px; border-radius: 50%; background: #3ee08f; box-shadow: 0 0 0 4px rgba(62,224,143,.2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.7rem; }
.hero-note { font-size: .88rem; color: rgba(255,255,255,.66) !important; margin-top: 1rem; }
.page-hero .hero-grid { padding-top: 64px; padding-bottom: 72px; grid-template-columns: 1fr; }
.page-hero h1 { font-size: clamp(2rem, 4.6vw, 3rem); max-width: 820px; }

/* Agent console mockup (CSS only) */
.console { background: rgba(10,20,42,.78); border: 1px solid rgba(255,255,255,.12); border-radius: 18px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.06); backdrop-filter: blur(6px); overflow: hidden; max-width: 540px; width: 100%; justify-self: center; font-size: .86rem; }
.console-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.6); font-size: .78rem; }
.console-bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.18); }
.console-bar b { margin-left: 8px; font-weight: 600; color: rgba(255,255,255,.8); }
.console-bar em { margin-left: auto; font-style: normal; display: inline-flex; align-items: center; gap: 6px; color: #7ef0b5; }
.console-bar em::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #3ee08f; }
.console-body { padding: 16px; display: grid; gap: 10px; }
.msg { max-width: 88%; padding: 10px 13px; border-radius: 14px; line-height: 1.45; }
.msg.user { justify-self: end; background: #1f5fbf; color: #fff; border-bottom-right-radius: 4px; }
.msg.agent { background: rgba(255,255,255,.07); color: rgba(255,255,255,.9); border-bottom-left-radius: 4px; }
.tool { display: flex; align-items: center; gap: 8px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .74rem; color: rgba(255,255,255,.62); padding: 6px 10px; border: 1px dashed rgba(255,255,255,.14); border-radius: 10px; }
.tool b { color: #6fd6f5; font-weight: 600; }
.tool s { text-decoration: none; margin-left: auto; color: #7ef0b5; }
.console-foot { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 0 16px 16px; }
.kpi { border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 9px 10px; }
.kpi small { display: block; color: rgba(255,255,255,.55); font-size: .68rem; }
.kpi strong { color: #fff; font-size: .95rem; }
@media (max-width: 420px) { .console-foot { grid-template-columns: 1fr 1fr; } .console-foot .kpi:last-child { display: none; } }

/* Logo strip / capability strip */
.strip { display: grid; gap: 16px; grid-template-columns: 1fr; margin-top: -52px; position: relative; z-index: 2; }
@media (min-width: 720px) { .strip { grid-template-columns: repeat(3, 1fr); } }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.stat strong { font-size: 1.1rem; color: var(--ink); display: block; line-height: 1.3; margin-bottom: .2rem; }
.stat span { color: var(--ink-2); font-size: .95rem; }

/* Cards */
.grid { display: grid; gap: 20px; margin-top: 44px; }
@media (min-width: 640px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--brand) 30%, var(--line)); }
.card p { margin: 0; font-size: .96rem; }
.card .checklist { margin-top: 1rem; font-size: .93rem; }
.icon { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 16px; }
.icon svg { width: 24px; height: 24px; }
.icon.alt { background: color-mix(in srgb, var(--accent-2) 14%, var(--surface)); color: var(--accent-2); }
.tag { display: inline-block; font-size: .74rem; font-weight: 600; color: var(--brand-text); background: var(--brand-soft); padding: .2rem .6rem; border-radius: 999px; margin-bottom: .8rem; }
.card-link { display: inline-block; margin-top: 1rem; font-weight: 600; }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 20px; margin-top: 44px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .steps.steps-4 { grid-template-columns: repeat(4, 1fr); } .steps.steps-5 { grid-template-columns: repeat(5, 1fr); } }
.step { position: relative; padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; font-weight: 800; font-size: 1.5rem; color: var(--brand); margin-bottom: 10px; letter-spacing: -.02em; }
.step p { margin: 0; font-size: .95rem; }
.step small { display: block; margin-top: .8rem; color: var(--ink-3); font-size: .82rem; font-weight: 600; }

/* Split feature */
.split { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } .split.rev > :first-child { order: 2; } }
.checklist { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: .65rem; align-content: start; }
.checklist li { display: flex; gap: .65rem; color: var(--ink-2); }
.checklist li::before { content: ""; flex: 0 0 20px; height: 20px; margin-top: 3px; border-radius: 50%; background: var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f5fbf' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat; }
.panel { border-radius: 24px; padding: 30px; background: linear-gradient(150deg, var(--brand-soft), var(--surface-2)); border: 1px solid var(--line); }
.flow { display: grid; gap: 10px; }
.flow-row { display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font-size: .93rem; color: var(--ink); }
.flow-row b { flex: 0 0 auto; font-size: .72rem; font-weight: 700; color: var(--brand-text); background: var(--brand-soft); border-radius: 8px; padding: .2rem .5rem; text-transform: uppercase; letter-spacing: .05em; }
.flow-arrow { text-align: center; color: var(--ink-3); font-size: .9rem; line-height: 1; }

/* Engagement */
.plans { display: grid; gap: 20px; margin-top: 44px; }
@media (min-width: 900px) { .plans { grid-template-columns: repeat(3, 1fr); align-items: stretch; } }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; display: flex; flex-direction: column; position: relative; }
.plan.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.badge { position: absolute; top: -13px; left: 26px; background: var(--brand); color: var(--brand-ink); font-size: .75rem; font-weight: 700; padding: .25rem .75rem; border-radius: 999px; }
.plan .term { color: var(--ink-3); font-size: .9rem; font-weight: 600; }
.plan h3 { font-size: 1.4rem; margin: .3rem 0 .5rem; }
.plan .checklist { flex: 1; margin-bottom: 1.5rem; font-size: .95rem; }
.plan .btn { justify-content: center; }
.fine { font-size: .9rem; color: var(--ink-3); margin-top: 22px; }

/* FAQ */
.faq { max-width: 820px; margin: 36px auto 0; display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding-bottom: 14px; margin: 0; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; background: radial-gradient(600px 260px at 90% 0%, rgba(25,180,220,.35), transparent 60%), linear-gradient(135deg, var(--hero-a), var(--hero-b)); color: #fff; border-radius: 28px; padding: 52px 28px; text-align: center; }
.cta-band p { color: rgba(255,255,255,.82); max-width: 620px; margin-left: auto; margin-right: auto; }
.cta-band .hero-actions { justify-content: center; }

/* Contact */
.contact-grid { display: grid; gap: 20px; margin-top: 44px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: repeat(3, 1fr); } }
.contact-card h3, .contact-card h2.h3 { display: flex; align-items: center; gap: .6rem; }
.contact-card .icon { margin: 0; }
.contact-card a { font-weight: 600; word-break: break-word; }
.form { display: grid; gap: 14px; }
@media (min-width: 640px) { .form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; } }
.form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--ink); }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: .75rem .9rem; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid color-mix(in srgb, var(--brand) 50%, transparent); outline-offset: 1px; border-color: var(--brand); }
.form textarea { min-height: 130px; resize: vertical; }
.form .btn { justify-content: center; }
.form-note { font-size: .85rem; color: var(--ink-3); margin: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 52px 0 32px; font-size: .92rem; }
.foot-grid { display: grid; gap: 28px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 820px) { .foot-grid { grid-template-columns: 2fr repeat(3, 1fr); } }
.foot-grid h3, .foot-h { margin: 0 0 .8rem; font-size: .9rem; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.foot-grid a { color: var(--ink-2); }
.foot-grid address { font-style: normal; color: var(--ink-2); }
.foot-brand { grid-column: 1 / -1; }
@media (min-width: 820px) { .foot-brand { grid-column: auto; } }
.copyright { margin-top: 36px; color: var(--ink-3); font-size: .85rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } .card, .btn { transition: none; } }

/* Sub pages */
.page-title { font-size: clamp(2rem, 4.5vw, 2.8rem); margin: 0 0 .5em; }
.link-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 36px; }
.prose { max-width: 760px; }
.notfound { padding: 120px 0; text-align: center; }
.notfound h1 { font-size: clamp(3rem, 10vw, 6rem); margin: 0; color: var(--brand); }
.icon.wa { background: #e7f8ee; color: #1fa855; }