/* firmasys.com: brand guidelines v1.0 (Obsidian Navy, Steel Slate, Slate Tint, Silver Ice; Manrope + IBM Plex Mono). */
@font-face { font-family: Manrope; src: url("fonts/manrope-latin.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/plexmono-400-latin.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
  --navy: #0A1128; --navy-2: #131D38; --slate: #4A628A; --tint: #9DB0D0; --ice: #E2E8F0; --paper: #F4F6FA; --white: #FFFFFF;
  --danger: #DC3545; --radius: 18px; --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Manrope, "Helvetica Neue", Arial, sans-serif; color: var(--navy); background: var(--white); line-height: 1.6; font-size: 17px; }
img { max-width: 100%; display: block; }
a { color: var(--slate); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--slate); outline-offset: 3px; }
h1, h2, h3 { line-height: 1.12; text-wrap: balance; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 800; letter-spacing: -.015em; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { text-wrap: pretty; margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.label { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--slate); }
.on-dark .label { color: var(--tint); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(10, 17, 40, .92); backdrop-filter: blur(10px); color: var(--white); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); text-decoration: none; font-size: 1.45rem; letter-spacing: .04em; }
.brand svg { width: 38px; height: 38px; }
.brand b { font-weight: 800; }
.brand span { font-weight: 400; color: var(--tint); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--ice); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover { color: var(--white); }
.btn { display: inline-block; padding: 12px 22px; border-radius: 12px; font-weight: 700; text-decoration: none; border: 1.5px solid transparent; transition: background-color .15s, color .15s, border-color .15s; }
.btn-light { background: var(--white); color: var(--navy) !important; }
.btn-light:hover { background: var(--ice); }
.btn-outline { border-color: rgba(157, 176, 208, .55); color: var(--white) !important; }
.btn-outline:hover { border-color: var(--white); }
.btn-dark { background: var(--navy); color: var(--white) !important; }
.btn-dark:hover { background: var(--slate); }

/* Hero */
.hero { background: radial-gradient(110% 80% at 80% 0%, #1B2A4A 0%, var(--navy) 62%); color: var(--white); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; padding-top: 88px; padding-bottom: 0; }
.hero p.lead { font-size: 1.25rem; color: var(--tint); max-width: 34rem; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 20px; }
.hero .note { font-size: .9rem; color: var(--tint); }
.hero .phones { position: relative; height: 600px; }
.hero .phone { height: 640px; }
.hero .phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.phone { border-radius: 46px; border: 9px solid #1F2C47; overflow: hidden; box-shadow: 0 40px 90px rgba(0, 0, 0, .5); background: var(--navy); }
.hero .phone { position: absolute; width: 300px; }
.hero .phone.back { right: 0; top: 70px; transform: rotate(4deg); opacity: .9; }
.hero .phone.front { left: 0; top: 30px; z-index: 1; }
.seal-line { margin-top: 26px; display: flex; gap: 14px; align-items: center; font-family: "IBM Plex Mono", monospace; font-size: .8rem; color: var(--tint); letter-spacing: .06em; }
.seal-line i { width: 8px; height: 8px; border-radius: 50%; background: #3FB27F; display: inline-block; }

/* Sections */
section { padding: 96px 0; }
.section-head { max-width: 46rem; margin-bottom: 48px; }
.section-head p { font-size: 1.12rem; color: #3B4A66; }
.alt { background: var(--paper); }
.dark { background: var(--navy); color: var(--white); }
.dark p { color: var(--tint); }

.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature + .feature { margin-top: 88px; }
.feature.flip .text { order: 2; }
.feature .phone { width: 340px; height: 640px; margin: 0 auto; }
.feature .phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.feature h3 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 800; letter-spacing: -.01em; }
.feature .text > p { font-size: 1.12rem; color: #3B4A66; }
.feature li { font-size: 1.05rem; }
.feature ul { padding: 0; list-style: none; margin: 18px 0 0; }
.feature li { padding-left: 30px; position: relative; margin: 10px 0; color: #2A3753; }
.feature li::before { content: ""; position: absolute; left: 0; top: .5em; width: 14px; height: 14px; border: 2px solid var(--slate); transform: rotate(45deg) scale(.7); }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--white); border: 1px solid var(--ice); border-radius: var(--radius); padding: 28px; }
.dark .card { background: var(--navy-2); border-color: #23314F; }
.card .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--paper); display: grid; place-items: center; margin-bottom: 16px; }
.dark .card .icon { background: #1B2846; }
.card .icon svg { width: 24px; height: 24px; }
.card p { margin: 0; color: #3B4A66; }
.dark .card p { color: var(--tint); }
.mono-box { font-family: "IBM Plex Mono", monospace; font-size: .85rem; color: var(--tint); background: #0E1733; border: 1px solid #23314F; border-radius: 12px; padding: 16px 18px; margin-top: 28px; line-height: 1.8; }
.mono-box b { color: var(--white); font-weight: 400; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.steps .card::before { counter-increment: step; content: "0" counter(step); font-family: "IBM Plex Mono", monospace; color: var(--slate); font-size: .85rem; letter-spacing: .1em; display: block; margin-bottom: 12px; }

.cta { text-align: center; }
.cta .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }

/* Documents (privacy, support) */
.doc-hero { background: var(--navy); color: var(--white); padding: 72px 0 56px; }
.doc-hero p { color: var(--tint); margin: 0; }
.doc { max-width: 52rem; padding: 56px 24px 96px; margin: 0 auto; }
.doc h2 { font-size: 1.45rem; margin-top: 2.2em; }
.doc h3 { font-size: 1.1rem; margin-top: 1.6em; }
.doc ul { padding-left: 1.2em; }
.doc li { margin: .35em 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 1em 0 1.5em; font-size: .95rem; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--ice); vertical-align: top; }
.doc th { background: var(--paper); font-weight: 700; }
.faq details { border: 1px solid var(--ice); border-radius: 14px; padding: 16px 20px; margin: 12px 0; background: var(--white); }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details[open] summary { margin-bottom: 8px; }
.contact-card { background: var(--paper); border-radius: var(--radius); padding: 28px; margin-top: 28px; }

/* Footer */
.site-footer { background: var(--navy); color: var(--tint); padding: 48px 0; font-size: .92rem; }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: var(--ice); text-decoration: none; margin-left: 22px; }
.site-footer a:hover { color: var(--white); }

@media (max-width: 900px) {
  .hero .wrap, .feature, .grid3, .steps { grid-template-columns: 1fr; }
  .feature.flip .text { order: 0; }
  .hero .wrap { padding-top: 56px; }
  .hero .phones { height: 520px; }
  .hero .phone { width: 240px; height: 520px; }
  .feature .phone { width: 300px; height: 560px; }
  .hero .phone.back { right: 4%; }
  .nav a.hide-sm { display: none; }
  section { padding: 72px 0; }
  .site-footer a { margin: 0 18px 0 0; }
}
@media (max-width: 480px) {
  .nav { gap: 14px; }
  .brand { font-size: 1.2rem; }
  .hero .phone { width: 200px; height: 430px; }
  .hero .phones { height: 440px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }