/* ==========================================================================
   Sentrix Digital brand tokens (colours sampled from the logo files).
   ========================================================================== */
:root {
	--bg: #0a0b0e;
	--bg-2: #111318;
	--panel: #16181e;
	--acc-rgb: 227, 23, 45;
	--acc2-rgb: 174, 179, 188;
	--acc: rgb(var(--acc-rgb));
	--acc2: rgb(var(--acc2-rgb));
	--red: #ff2d44;
	--wa: #25d366;
	--text: #f4f5f7;
	--mute: #aeb3bc;
	--line: rgba(174, 179, 188, .16);
	--r: 18px;
	--font-h: 'Archivo', system-ui, sans-serif;
	--font-b: 'Inter', system-ui, sans-serif;
	--mono: 'JetBrains Mono', ui-monospace, monospace;
	--wrap: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
	margin: 0; background: var(--bg); color: var(--text);
	font: 400 16px/1.65 var(--font-b); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-h); font-stretch: 112%; font-weight: 800; line-height: 1.06; margin: 0; letter-spacing: -.015em; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--acc); color: #fff; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.icon { width: 1.25em; height: 1.25em; flex: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* Scroll progress + preloader ------------------------------------------- */
.scroll-progress {
	position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 120; transform-origin: 0 50%; transform: scaleX(0);
	background: linear-gradient(90deg, var(--acc), var(--acc2)); box-shadow: 0 0 12px var(--acc);
}
#preloader {
	position: fixed; inset: 0; z-index: 200; background: var(--bg); display: grid; place-items: center;
	transition: opacity .6s, visibility .6s; animation: pre-failsafe .5s 5s forwards;
}
#preloader.done { opacity: 0; visibility: hidden; }
@keyframes pre-failsafe { to { opacity: 0; visibility: hidden; } }
.pre-mark { width: 72px; margin: 0 auto 26px; animation: pre-pulse 1.4s ease-in-out infinite; }
@keyframes pre-pulse { 50% { filter: drop-shadow(0 0 18px rgba(var(--acc-rgb), .7)); transform: scale(1.04); } }
.boot { list-style: none; margin: 0; padding: 0; font: 500 13px/2 var(--mono); color: var(--mute); min-width: 260px; }
.boot li { opacity: 0; transform: translateX(-8px); transition: .3s; }
.boot li.on { opacity: 1; transform: none; }
.boot li::before { content: '> '; color: var(--acc); }
.boot li.on:last-child { color: var(--acc); }

/* Buttons ---------------------------------------------------------------- */
.btn {
	--b: var(--acc); position: relative; display: inline-flex; align-items: center; gap: 10px;
	padding: 14px 24px; border-radius: 999px; border: 1px solid var(--b); cursor: pointer;
	font: 600 15px/1 var(--font-h); letter-spacing: .01em; background: transparent; color: var(--text);
	transition: transform .25s, box-shadow .25s, background .25s, color .25s; will-change: transform;
}
.btn:hover { box-shadow: 0 0 0 4px rgba(var(--acc-rgb), .12), 0 10px 40px -10px var(--b); }
.btn-primary { background: var(--acc); color: #fff; }
.btn-primary:hover { background: #fff; color: #0a0b0e; }
.btn-wa { --b: var(--wa); }
.btn-wa:hover { background: var(--wa); color: #03170b; }
.btn-ghost { --b: rgba(255, 255, 255, .18); }
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* Header ----------------------------------------------------------------- */
.site-header {
	position: fixed; inset: 0 0 auto 0; z-index: 100; transition: background .3s, border-color .3s, backdrop-filter .3s;
	border-bottom: 1px solid transparent;
}
.site-header.scrolled { background: rgba(10, 11, 14, .82); backdrop-filter: blur(16px); border-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 76px; }
.brand { white-space: nowrap; display: inline-flex; align-items: center; gap: 10px; font: 700 18px/1 var(--font-h); letter-spacing: .04em; }
.brand img { height: 40px; width: auto; max-width: none; }
.site-footer .brand img { height: 52px; }
.brand-mark { width: 36px; height: 36px; color: var(--acc); filter: drop-shadow(0 0 8px rgba(var(--acc-rgb), .6)); }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav a { font-size: 14.5px; color: var(--mute); position: relative; padding: 6px 0; transition: color .2s; }
.nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--acc); transform: scaleX(0); transition: transform .3s; transform-origin: 0 50%; }
.nav a:hover, .nav a.active { color: var(--text); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.header-tools { display: flex; align-items: center; gap: 12px; }
.sound-toggle, .nav-toggle {
	width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255, 255, 255, .03);
	display: grid; place-items: center; cursor: pointer; transition: border-color .2s;
}
.sound-toggle:hover, .nav-toggle:hover { border-color: var(--acc); }
.eq { display: flex; align-items: flex-end; gap: 3px; height: 14px; }
.eq i { width: 2px; height: 3px; background: var(--mute); border-radius: 2px; }
.sound-toggle[aria-pressed="true"] .eq i { background: var(--acc); animation: eq .9s ease-in-out infinite; }
.eq i:nth-child(2) { animation-delay: -.3s !important; } .eq i:nth-child(3) { animation-delay: -.6s !important; } .eq i:nth-child(4) { animation-delay: -.15s !important; }
@keyframes eq { 0%, 100% { height: 3px; } 50% { height: 14px; } }
.nav-toggle { display: none; }
.nav-toggle span, .nav-toggle span::before { display: block; width: 16px; height: 2px; background: var(--text); border-radius: 2px; }
.nav-toggle span::before { content: ''; transform: translateY(6px); }
.nav-toggle span { transform: translateY(-3px); }

/* Hero ------------------------------------------------------------------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 120px 0 90px; overflow: hidden; isolation: isolate; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -3; opacity: 0; transition: opacity 1.8s; animation: kenburns 30s ease-in-out infinite alternate; }
.hero-bg.on { opacity: .8; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.12) translateY(-2%); } }
.hero::after {
	content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
	background: radial-gradient(70% 80% at 22% 50%, rgba(10, 11, 14, .88), transparent 72%), linear-gradient(to bottom, rgba(10, 11, 14, .55), transparent 30%, transparent 62%, var(--bg));
}
.hero-copy { max-width: 640px; }
.eyebrow {
	display: inline-flex; align-items: center; gap: 10px; font: 500 12px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase;
	color: var(--acc); margin-bottom: 22px;
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--acc); }
.hero h1 { font-size: clamp(42px, 7vw, 84px); font-weight: 700; }
.hero h1 em { font-style: normal; color: var(--acc); }
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span { display: block; transform: translateY(110%); transition: transform 1s cubic-bezier(.2, .8, .2, 1); }
.loaded .hero h1 .line > span { transform: none; }
.hero h1 .line:nth-child(2) > span { transition-delay: .12s; }
.hero h1 .line:nth-child(3) > span { transition-delay: .24s; }
.lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--mute); margin-top: 24px; max-width: 54ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hud { position: absolute; font: 500 11px/1.4 var(--mono); letter-spacing: .12em; color: rgba(var(--acc-rgb), .8); text-transform: uppercase; z-index: 1; }
.hud-tl { top: 100px; left: 24px; } .hud-tr { top: 100px; right: 24px; text-align: right; }
.hud-bl { bottom: 28px; left: 24px; } .hud-br { bottom: 28px; right: 24px; text-align: right; }
.rec { color: var(--red); }
.rec::before { content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-right: 8px; animation: blink 1.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.scroll-cue { position: absolute; left: 50%; bottom: 26px; width: 22px; height: 36px; margin-left: -11px; border: 1px solid var(--line); border-radius: 12px; }
.scroll-cue::after { content: ''; position: absolute; left: 50%; top: 7px; width: 2px; height: 7px; margin-left: -1px; background: var(--acc); border-radius: 2px; animation: cue 1.8s infinite; }
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

/* Marquee ---------------------------------------------------------------- */
.marquee { border-block: 1px solid var(--line); background: var(--bg-2); overflow: hidden; padding: 18px 0; }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { font: 600 15px/1 var(--font-h); letter-spacing: .14em; text-transform: uppercase; color: var(--mute); white-space: nowrap; display: inline-flex; align-items: center; gap: 48px; }
.marquee span::after { content: '◆'; color: var(--acc); font-size: 9px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Sections --------------------------------------------------------------- */
.section { padding: clamp(72px, 10vw, 130px) 0; position: relative; }
.section-alt { background: var(--bg-2); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(30px, 4.4vw, 52px); }
.section-head p { color: var(--mute); margin-top: 16px; font-size: 17px; }
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s, transform .8s cubic-bezier(.2, .8, .2, 1); transition-delay: calc(var(--i, 0) * 70ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.stat { background: var(--bg); padding: 34px 28px; }
.stat b { display: block; font: 700 clamp(34px, 4.5vw, 54px)/1 var(--font-h); color: var(--acc); }
.stat span { display: block; margin-top: 10px; color: var(--mute); font-size: 14px; }

/* Service cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
	position: relative; padding: 32px 28px; border-radius: var(--r); background: var(--panel); border: 1px solid var(--line);
	overflow: hidden; transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .2s, border-color .3s;
}
.card::before {
	content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .3s; pointer-events: none;
	background: radial-gradient(340px circle at var(--gx, 50%) var(--gy, 50%), rgba(var(--acc-rgb), .16), transparent 60%);
}
.card:hover { border-color: rgba(var(--acc-rgb), .5); }
.card:hover::before { opacity: 1; }
.card-icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; color: var(--acc); background: rgba(var(--acc-rgb), .08); border: 1px solid var(--line); margin-bottom: 22px; }
.card-icon .icon { width: 26px; height: 26px; }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--mute); font-size: 15px; }
.card-num { position: absolute; top: 22px; right: 24px; font: 500 12px var(--mono); color: rgba(var(--acc-rgb), .5); }

/* Control room ----------------------------------------------------------- */
.control { display: grid; grid-template-columns: 1fr 300px; gap: 20px; }
.screen { position: relative; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: #000; }
.screen canvas { width: 100%; height: 100%; }
.screen::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(to bottom, rgba(0, 0, 0, .22) 0 1px, transparent 1px 3px), radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, .6)); }
.screen-main { aspect-ratio: 16 / 9; }
.control-side { display: flex; flex-direction: column; gap: 14px; }
.thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.thumb { aspect-ratio: 16 / 10; padding: 0; cursor: pointer; border-radius: 10px; transition: border-color .2s, box-shadow .2s; }
.thumb.active { border-color: var(--acc); box-shadow: 0 0 0 2px rgba(var(--acc-rgb), .25); }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }
.chip {
	padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: transparent; cursor: pointer;
	font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mute); transition: .2s;
}
.chip:hover { color: var(--text); border-color: rgba(var(--acc-rgb), .5); }
.chip[aria-pressed="true"], .chip[aria-selected="true"], .chip[aria-current="page"] { background: rgba(var(--acc-rgb), .12); border-color: var(--acc); color: var(--acc); }
.sim-note { margin-left: auto; font: 500 11px var(--mono); color: var(--mute); letter-spacing: .08em; text-transform: uppercase; }
.log { flex: 1; min-height: 150px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 14px 16px; font: 500 11.5px/1.5 var(--mono); overflow: hidden; }
.log h3 { font: 600 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--acc); margin-bottom: 10px; }
.log ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.log li { color: var(--mute); animation: log-in .4s; }
.log li b { color: var(--acc); font-weight: 500; }
@keyframes log-in { from { opacity: 0; transform: translateX(-8px); } }

/* Process ---------------------------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; position: relative; }
.steps::before { content: ''; position: absolute; top: 27px; left: 28px; right: 28px; height: 1px; background: linear-gradient(90deg, var(--acc), var(--acc2), transparent); opacity: .4; }
.step { counter-increment: step; position: relative; }
.step::before {
	content: counter(step, decimal-leading-zero); display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%;
	background: var(--bg-2); border: 1px solid var(--acc); color: var(--acc); font: 600 15px var(--mono); margin-bottom: 22px;
	box-shadow: 0 0 24px -6px var(--acc);
}
.step h3 { font-size: 20px; margin-bottom: 8px; }
.step p { color: var(--mute); font-size: 15px; }

/* African geometric band --------------------------------------------------- */
.pattern-band {
	height: 20px;
	background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='20'%3E%3Cpath d='M10 3l7 7-7 7-7-7z' fill='%23e3172d'/%3E%3Cpath d='M30 6.5l3.500 3.500-3.500 3.500-3.500-3.500z' fill='%23ffffff'/%3E%3C/svg%3E") repeat-x center / auto 100%, #0a0b0e;
	border-block: 1px solid rgba(var(--acc-rgb), .5);
}

/* Mining feature ------------------------------------------------------------ */
.photo { position: relative; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-stack { position: relative; padding: 0 12% 14% 0; }
.photo-stack .photo:first-child { aspect-ratio: 4 / 3; }
.photo-stack .photo + .photo { position: absolute; right: 0; bottom: 0; width: 46%; aspect-ratio: 1; box-shadow: 0 30px 70px -20px #000; border-color: var(--acc); }
.photo-tag { position: absolute; left: 14px; top: 14px; padding: 6px 10px; border-radius: 6px; background: rgba(10, 11, 14, .75); backdrop-filter: blur(6px); font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--acc); }
.photo-tag::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--red); margin-right: 7px; animation: blink 1.2s steps(2) infinite; }
.checks { list-style: none; margin: 30px 0 34px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; }
.checks li { position: relative; padding-left: 26px; }
.checks li::before { content: ''; position: absolute; left: 0; top: 7px; width: 10px; height: 10px; background: var(--acc); transform: rotate(45deg); box-shadow: 0 0 12px var(--acc); }
.checks b { display: block; font: 600 16px/1.3 var(--font-h); margin-bottom: 4px; }
.checks span { color: var(--mute); font-size: 14.5px; line-height: 1.5; display: block; }
.h2 { font-size: clamp(30px, 4.4vw, 52px); }

/* Solution tabs ------------------------------------------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.tabs .chip { padding: 12px 20px; font-size: 12.5px; }
.tab-panel { align-items: center; animation: panel-in .6s cubic-bezier(.2, .8, .2, 1); }
.tab-panel[hidden] { display: none; }
@keyframes panel-in { from { opacity: 0; transform: translateY(18px); } }

/* Knowledge base ------------------------------------------------------------ */
.post-card { display: flex; flex-direction: column; border-radius: var(--r); overflow: hidden; background: var(--panel); border: 1px solid var(--line); transition: border-color .3s, transform .3s; }
.post-card:hover { border-color: rgba(var(--acc-rgb), .5); transform: translateY(-4px); }
.post-thumb { display: block; aspect-ratio: 16 / 10; overflow: hidden; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .8, .2, 1); }
.post-card:hover .post-thumb img { transform: scale(1.06); }
.post-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-cat { align-self: flex-start; font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--acc); }
.post-card h3 { font-size: 20px; line-height: 1.25; }
.post-card h3 a:hover { color: var(--acc); }
.post-card p { color: var(--mute); font-size: 14.5px; }
.more { margin-top: auto; padding-top: 8px; font: 600 14px var(--font-h); color: var(--acc); }
.section-foot { margin-top: 40px; text-align: center; }
.kb { padding: 150px 0 100px; }
.kb h1 { font-size: clamp(34px, 5vw, 60px); }
.kb-tools { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 36px; }
.kb-tools .tabs { margin: 0; }
.kb-search { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: var(--panel); }
.kb-search input[type="search"] { background: none; border: 0; outline: none; padding: 11px 6px 11px 18px; width: 210px; }
.kb-search button { background: none; border: 0; padding: 0 16px; color: var(--acc); cursor: pointer; display: grid; place-items: center; }
.kb .pagination { margin-top: 44px; }
.kb .nav-links { display: flex; gap: 8px; justify-content: center; }
.kb .page-numbers { padding: 9px 15px; border: 1px solid var(--line); border-radius: 10px; font: 500 13px var(--mono); }
.kb .page-numbers.current { background: var(--acc); color: #fff; border-color: var(--acc); }
.article { padding: 150px 0 100px; max-width: 800px; }
.kb .article { padding: 0; margin-inline: auto; }
.article .back { display: inline-block; margin-bottom: 28px; color: var(--mute); font-size: 14px; }
.article .back:hover { color: var(--acc); }
.article .post-cat { display: block; margin-bottom: 14px; }
.article h1 { font-size: clamp(32px, 4.6vw, 54px); }
.post-meta { color: var(--mute); font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; margin: 18px 0 32px; }
.article-hero { aspect-ratio: 16 / 9; margin-bottom: 40px; }
.article .entry { font-size: 17.5px; line-height: 1.75; }
.article .entry h2 { font-size: 26px; }
.article .entry li { margin-bottom: .5em; }
.article .entry strong { color: var(--text); }
.article-cta { margin-top: 56px; padding: 32px; border-radius: var(--r); border: 1px solid var(--acc); background: rgba(var(--acc-rgb), .06); display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.article-cta h2 { font-size: 24px; margin-bottom: 6px; }
.article-cta p { color: var(--mute); }
.article-cta .cta-row { margin: 0; }

/* Sector cards -------------------------------------------------------------- */
.sectors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.sector { position: relative; display: flex; align-items: flex-end; min-height: 280px; padding: 26px; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); isolation: isolate; transition: border-color .3s; }
.sector.wide { grid-column: span 2; }
.sector img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .8s cubic-bezier(.2, .8, .2, 1); }
.sector::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(10, 11, 14, .95) 8%, rgba(10, 11, 14, .35) 55%, rgba(10, 11, 14, .1)); }
.sector:hover { border-color: var(--acc); }
.sector:hover img { transform: scale(1.07); }
.sector h3 { font-size: 24px; margin-bottom: 6px; }
.sector p { color: #cfd3da; font-size: 14.5px; max-width: 46ch; }
.sector .badge { position: absolute; top: 18px; left: 18px; padding: 6px 12px; border-radius: 999px; background: var(--acc); color: #fff; font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; }

/* Industries / FAQ ------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; align-items: center; }
.tags small { color: var(--mute); font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; margin-right: 6px; }
.tags span { padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); font-size: 14px; color: var(--text); background: rgba(var(--acc-rgb), .04); transition: .25s; }
.tags span:hover { border-color: var(--acc); transform: translateY(-2px); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; padding: 22px 0; font: 600 17px/1.35 var(--font-h); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--acc); font: 400 24px/1 var(--font-h); transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--mute); padding: 0 0 22px; max-width: 60ch; }

/* Contact ---------------------------------------------------------------- */
.contact-card { padding: clamp(24px, 4vw, 44px); border-radius: var(--r); background: var(--panel); border: 1px solid var(--line); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); }
.field input, .field select, .field textarea {
	width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); outline: none; transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--acc); box-shadow: 0 0 0 4px rgba(var(--acc-rgb), .12); }
.hp { position: absolute; left: -9999px; }
.form-note { grid-column: 1 / -1; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--acc); color: var(--acc); font-size: 14px; }
.form-note[hidden] { display: none; }
.contact-list { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 18px; }
.contact-list li { display: flex; gap: 14px; align-items: center; color: var(--mute); }
.contact-list .icon { color: var(--acc); width: 22px; height: 22px; }
.contact-list a:hover { color: var(--text); }

/* Footer ----------------------------------------------------------------- */
.site-footer { padding: 48px 0 40px; color: var(--mute); font-size: 14px; }
.footer-meta { display: grid; gap: 6px; text-align: right; }
.footer-meta a:hover { color: var(--text); }
.footer-tag { font: 600 12px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--text); }
.footer-tag em { font-style: normal; color: var(--acc); }
@media (max-width: 980px) { .site-footer { padding-bottom: 104px; } }
@media (max-width: 620px) { .footer-meta { text-align: left; } }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }

/* WhatsApp widget -------------------------------------------------------- */
.wa { position: fixed; right: 22px; bottom: 22px; z-index: 110; }
.wa-fab {
	width: 60px; height: 60px; border-radius: 50%; border: 0; cursor: pointer; background: var(--wa); color: #fff; display: grid; place-items: center;
	box-shadow: 0 12px 34px -8px rgba(37, 211, 102, .7); position: relative; transition: transform .25s;
}
.wa-fab:hover { transform: scale(1.08); }
.wa-fab .icon { width: 30px; height: 30px; }
.wa-fab::before { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--wa); animation: wa-pulse 2.2s infinite; }
@keyframes wa-pulse { to { transform: scale(1.7); opacity: 0; } }
.wa-panel {
	position: absolute; right: 0; bottom: 76px; width: min(340px, calc(100vw - 44px)); border-radius: 18px; overflow: hidden; background: #0b141a; border: 1px solid rgba(255, 255, 255, .08);
	box-shadow: 0 30px 80px -20px #000; transform-origin: 100% 100%; transition: transform .3s cubic-bezier(.2, .9, .3, 1.2), opacity .25s, visibility .25s;
}
.wa-panel[hidden] { display: block; opacity: 0; visibility: hidden; transform: scale(.85) translateY(12px); }
.wa-head { display: flex; align-items: center; gap: 12px; padding: 16px 18px; background: #1f2c34; }
.wa-avatar { width: 40px; height: 40px; border-radius: 10px; overflow: hidden; flex: none; }
.wa-avatar img { width: 100%; height: 100%; }
.wa-head b { display: block; font: 600 15px var(--font-h); }
.wa-head small { color: #8696a0; font-size: 12px; }
.wa-close { margin-left: auto; background: none; border: 0; color: #8696a0; font-size: 22px; cursor: pointer; line-height: 1; }
.wa-body { padding: 18px; display: grid; gap: 12px; background: #0b141a; }
.wa-bubble { background: #1f2c34; padding: 10px 14px; border-radius: 0 12px 12px 12px; font-size: 14px; max-width: 88%; min-height: 40px; }
.wa-quick { display: flex; flex-wrap: wrap; gap: 8px; }
.wa-quick button { padding: 8px 12px; border-radius: 999px; border: 1px solid var(--wa); background: transparent; color: var(--wa); font-size: 13px; cursor: pointer; transition: .2s; }
.wa-quick button:hover { background: var(--wa); color: #03170b; }
.wa-form { display: flex; gap: 8px; padding: 12px; background: #1f2c34; }
.wa-form input { flex: 1; min-width: 0; padding: 11px 16px; border-radius: 999px; border: 0; background: #2a3942; outline: none; font-size: 14px; }
.wa-form button { width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--wa); color: #fff; display: grid; place-items: center; cursor: pointer; flex: none; }

/* Inner pages (blog, generic pages) -------------------------------------- */
.page-wrap { padding: 150px 0 90px; max-width: 780px; }
.page-wrap h1 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 28px; }
.page-wrap article + article { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--line); }
.entry :where(p, ul, ol, blockquote, figure) { margin: 0 0 1.3em; color: #c5d3df; }
.entry :where(h2, h3) { margin: 1.6em 0 .6em; }
.entry a { color: var(--acc); text-decoration: underline; text-underline-offset: 3px; }

/* Responsive ------------------------------------------------------------- */
@media (max-width: 980px) {
	.grid-3, .sectors { grid-template-columns: 1fr 1fr; }
	.control, .split { grid-template-columns: 1fr; }
	.steps { grid-template-columns: 1fr 1fr; } .steps::before { display: none; }
	.stats { grid-template-columns: 1fr 1fr; }
	.nav-toggle { display: grid; }
	.nav { position: fixed; inset: 76px 0 auto 0; margin: 0; background: var(--bg); border-bottom: 1px solid var(--line); transform: translateY(-130%); transition: transform .35s; }
	.nav.open { transform: none; }
	.nav ul { flex-direction: column; gap: 0; padding: 10px 20px 22px; }
	.nav a { display: block; padding: 14px 0; font-size: 17px; }
	.header-tools { margin-left: auto; }
	.header-tools .btn { display: none; }
	.hud-tr, .hud-bl, .hud-br { display: none; }
}
@media (max-width: 620px) {
	.grid-3, .form, .steps, .sectors, .checks { grid-template-columns: 1fr; }
	.sector.wide { grid-column: auto; }
	.sector { min-height: 240px; }
	.hero::after { background: linear-gradient(to bottom, rgba(10, 11, 14, .35), rgba(10, 11, 14, .7) 55%, var(--bg)); }
	.sim-note { margin-left: 0; width: 100%; }
	.cta-row .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
	html { scroll-behavior: auto; }
}