/* =========================================================
   AES — Arif Engineering Services (Pvt) Ltd.
   Main stylesheet. Edit the tokens in :root to re-theme.
   ========================================================= */
:root {
  --navy: #1d2770;
  --navy-700: #2b3990;     /* logo wordmark navy */
  --navy-900: #0d1233;
  --orange: #f7941e;       /* logo accent */
  --orange-600: #d97a0a;
  --ink: #141729;
  --muted: #5a6075;
  --line: #dfe2ec;
  --paper: #f6f5f1;
  --white: #ffffff;
  --radius: 4px;
  --shadow: 0 18px 40px -22px rgba(13, 18, 51, .35);
  --container: 1200px;
  --font-head: "Archivo", "Segoe UI", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--navy-700); }
a:hover { color: var(--orange-600); }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.12; margin: 0 0 .5em; color: var(--navy-900); letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.2rem); font-weight: 800; font-stretch: 112%; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); font-weight: 800; font-stretch: 108%; }
h3 { font-size: 1.3rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--orange); color: var(--navy-900); padding: 10px 16px; z-index: 1000; font-weight: 600; }
.skip-link:focus { left: 12px; top: 12px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--orange-600); margin-bottom: 14px; font-weight: 500;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--orange); }
.on-dark .eyebrow { color: var(--orange); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 62ch; }
.on-dark .lead { color: #c4c9e3; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: var(--radius); border: 2px solid transparent;
  font-family: var(--font-head); font-weight: 700; font-size: .98rem; letter-spacing: .02em;
  text-decoration: none; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn svg { width: 18px; height: 18px; transition: transform .2s ease; }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--orange); color: var(--navy-900); }
.btn-primary:hover { background: #ffa53d; color: var(--navy-900); transform: translateY(-2px); }
.btn-outline { border-color: currentColor; color: var(--navy-700); background: transparent; }
.btn-outline:hover { background: var(--navy-700); color: #fff; border-color: var(--navy-700); }
.on-dark .btn-outline { color: #fff; }
.on-dark .btn-outline:hover { background: #fff; color: var(--navy-900); border-color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid transparent; transition: border-color .25s, box-shadow .25s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 8px 24px -18px rgba(13, 18, 51, .4); }
.topbar { background: var(--navy-900); color: #b8bedb; font-size: .82rem; }
.topbar .container { display: flex; justify-content: space-between; gap: 16px; padding-top: 7px; padding-bottom: 7px; flex-wrap: wrap; }
.topbar a { color: #e6e8f3; text-decoration: none; }
.topbar a:hover { color: var(--orange); }
.topbar .creds { font-family: var(--font-mono); letter-spacing: .04em; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { height: 46px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-head); font-size: 1.02rem; color: var(--navy-700); font-weight: 800; letter-spacing: .01em; }
.brand-text span { font-size: .72rem; color: var(--muted); letter-spacing: .12em; text-transform: uppercase; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px; }
.main-nav a {
  display: block; padding: 10px 14px; font-family: var(--font-head); font-weight: 600; font-size: .95rem;
  color: var(--ink); text-decoration: none; position: relative;
}
.main-nav a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a[aria-current="page"] { color: var(--navy-700); }
.main-nav .nav-cta { margin-left: 10px; }
.main-nav .nav-cta a { background: var(--navy-700); color: #fff; border-radius: var(--radius); padding: 10px 18px; }
.main-nav .nav-cta a::after { display: none; }
.main-nav .nav-cta a:hover { background: var(--orange); color: var(--navy-900); }
.nav-toggle { display: none; background: none; border: 0; width: 46px; height: 46px; cursor: pointer; padding: 10px; }
.nav-toggle span { display: block; height: 2px; background: var(--navy-900); margin: 6px 0; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1100px 600px at 85% 20%, #26338a 0%, transparent 60%), var(--navy-900);
  padding: 110px 0 0;
}
.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: 48px 48px;
  mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero-net { position: relative; }
.hero-net svg { width: 100%; height: auto; }
.hero-net .pulse { stroke-dasharray: 14 10; animation: flow 2.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -48; } }
.hero-net .node-ring { transform-box: fill-box; transform-origin: center; animation: ring 3s ease-out infinite; }
@keyframes ring { 0% { transform: scale(.6); opacity: .9; } 100% { transform: scale(2.4); opacity: 0; } }
.cred-strip { position: relative; z-index: 2; margin-top: 80px; border-top: 1px solid rgba(255,255,255,.12); background: rgba(0,0,0,.18); }
.cred-strip ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.cred-strip li { padding: 22px 24px; border-left: 1px solid rgba(255,255,255,.1); }
.cred-strip li:first-child { border-left: 0; }
.cred-strip .k { display: block; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; color: var(--orange); text-transform: uppercase; }
.cred-strip .v { display: block; font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; color: #fff; }

/* Page hero (inner pages) */
.page-hero { background: var(--navy-900); color: #fff; padding: 84px 0 70px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  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: 48px 48px;
}
.page-hero::after { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border: 2px solid rgba(247,148,30,.35); border-radius: 50%; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.4rem); max-width: 18ch; }
.breadcrumb { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .08em; color: #9aa2c9; margin-bottom: 18px; }
.breadcrumb a { color: #c9cde6; text-decoration: none; }
.breadcrumb a:hover { color: var(--orange); }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section-tight { padding: 70px 0; }
.bg-paper { background: var(--paper); }
.bg-navy { background: var(--navy-900); color: #dfe2f2; }
.bg-navy h2, .bg-navy h3 { color: #fff; }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 54px; }
.section-head h2 { margin: 0; }
.section-head p { margin: 0; color: var(--muted); }
.bg-navy .section-head p { color: #b5bbdb; }
.section-num { font-family: var(--font-mono); color: var(--orange-600); font-size: .85rem; letter-spacing: .1em; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--navy-900); }
.stat { padding: 30px 24px 10px 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--line); }
.stat .num { font-family: var(--font-head); font-weight: 800; font-stretch: 112%; font-size: clamp(2.4rem, 4.2vw, 3.4rem); color: var(--navy-700); line-height: 1; }
.stat .num small { font-size: .45em; margin-left: 4px; color: var(--orange-600); }
.stat .lbl { margin-top: 10px; font-size: .95rem; color: var(--muted); }
.stats-note { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); margin-top: 20px; letter-spacing: .03em; }

/* ---------- Service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; flex-direction: column; overflow: hidden; transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.card:hover .card-media img { transform: scale(1.05); }
.card-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.card-body p { color: var(--muted); font-size: .98rem; }
.card-link { margin-top: auto; font-family: var(--font-head); font-weight: 700; font-size: .92rem; text-decoration: none; display: inline-flex; gap: 8px; align-items: center; }
.card-link::after { content: "→"; transition: transform .2s; }
.card-link:hover::after { transform: translateX(4px); }
.icon-badge { width: 52px; height: 52px; border-radius: var(--radius); background: var(--navy-700); display: grid; place-items: center; margin-bottom: 18px; }
.icon-badge svg { width: 26px; height: 26px; stroke: #fff; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-badge.orange { background: var(--orange); }
.icon-badge.orange svg { stroke: var(--navy-900); }

/* ---------- Feature split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split-media { position: relative; }
.split-media img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.split-media::before { content: ""; position: absolute; left: -18px; top: -18px; width: 120px; height: 120px; border-left: 4px solid var(--orange); border-top: 4px solid var(--orange); }
.check-list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 34px; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d1233' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.check-list.cols { grid-template-columns: 1fr 1fr; column-gap: 28px; }

/* ---------- Why AES ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12); }
.why-item { background: var(--navy-900); padding: 36px 32px; transition: background .3s; }
.why-item:hover { background: #151c4a; }
.why-item .n { font-family: var(--font-mono); color: var(--orange); font-size: .85rem; letter-spacing: .1em; }
.why-item h3 { margin: 12px 0 10px; font-size: 1.2rem; }
.why-item p { color: #b5bbdb; margin: 0; font-size: .97rem; }

/* ---------- Projects ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-btn {
  border: 1.5px solid var(--line); background: #fff; color: var(--ink); padding: 9px 18px; border-radius: 999px;
  font-family: var(--font-head); font-weight: 600; font-size: .9rem; cursor: pointer; transition: all .2s;
}
.filter-btn:hover { border-color: var(--navy-700); }
.filter-btn[aria-pressed="true"] { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.project { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .3s, transform .3s; }
.project:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.project[hidden] { display: none; }
.project-media { position: relative; aspect-ratio: 16 / 9; background: var(--paper); }
.project-media img { width: 100%; height: 100%; object-fit: cover; }
.tag { position: absolute; left: 16px; top: 16px; background: var(--navy-900); color: #fff; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; padding: 6px 10px; border-radius: 2px; }
.status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: #13794a; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #1fa463; }
.status.ongoing { color: var(--orange-600); }
.status.ongoing::before { background: var(--orange); }
.project-body { padding: 26px 28px 30px; }
.project-body h3 { margin: 10px 0 12px; }
.spec { display: grid; grid-template-columns: 110px 1fr; gap: 6px 16px; margin: 16px 0 0; font-size: .93rem; }
.spec dt { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.spec dd { margin: 0; }
.project details { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.project summary { cursor: pointer; font-family: var(--font-head); font-weight: 700; color: var(--navy-700); font-size: .93rem; list-style: none; }
.project summary::-webkit-details-marker { display: none; }
.project summary::after { content: " +"; color: var(--orange-600); }
.project details[open] summary::after { content: " –"; }
.project details p { margin: 12px 0 0; color: var(--muted); font-size: .95rem; }
.placeholder-card { border-style: dashed; background: transparent; }
.placeholder-card .project-body { color: var(--muted); }

/* ---------- Tables ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: .96rem; }
.data-table th, .data-table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table th { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 500; background: var(--paper); }
.data-table td.num { font-family: var(--font-mono); text-align: right; white-space: nowrap; color: var(--navy-700); font-weight: 500; }
.data-table tr.total td { font-weight: 700; border-top: 2px solid var(--navy-900); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }

/* ---------- Equipment ---------- */
.equip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.equip { background: #fff; border: 1px solid var(--line); padding: 20px; border-radius: var(--radius); display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.equip span { font-size: .95rem; }
.equip b { font-family: var(--font-mono); color: var(--orange-600); font-weight: 500; white-space: nowrap; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(6, 1fr); counter-reset: step; position: relative; }
.process::before { content: ""; position: absolute; top: 22px; left: 22px; right: 22px; height: 2px; background: repeating-linear-gradient(90deg, var(--orange) 0 10px, transparent 10px 18px); }
.process li { list-style: none; position: relative; padding-right: 16px; }
.process li::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--navy-700); color: #fff; font-family: var(--font-mono); font-size: .85rem; margin-bottom: 18px; position: relative; border: 4px solid #fff; }
.bg-paper .process li::before { border-color: var(--paper); }
.process h3 { font-size: 1.02rem; margin-bottom: 6px; }
.process p { font-size: .9rem; color: var(--muted); margin: 0; }
.process-wrap { padding: 0; margin: 0; }

/* ---------- Credentials ---------- */
.cred-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cred { border: 1px solid var(--line); border-top: 4px solid var(--navy-700); padding: 24px; background: #fff; }
.cred .k { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.cred .v { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; color: var(--navy-900); margin: 6px 0 4px; }
.cred p { margin: 0; color: var(--muted); font-size: .93rem; }

/* ---------- Values ---------- */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value { padding-top: 22px; border-top: 2px solid var(--navy-900); }
.value h3 { font-size: 1.1rem; }
.value p { color: var(--muted); font-size: .96rem; margin: 0; }
.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vm { background: var(--navy-900); color: #d4d8ee; padding: 44px 40px; border-radius: var(--radius); position: relative; overflow: hidden; }
.vm.alt { background: var(--orange); color: var(--navy-900); }
.vm h3 { color: inherit; font-size: 1.5rem; }
.vm.alt h3 { color: var(--navy-900); }
.vm:not(.alt) h3 { color: #fff; }
.vm p { margin: 0; font-size: 1.08rem; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--orange); padding: 64px 0; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: -60px; bottom: -160px; width: 420px; height: 420px; border-radius: 50%; border: 50px solid rgba(255,255,255,.18); }
.cta-band .container { display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-band h2 { margin: 0; color: var(--navy-900); max-width: 22ch; }
.cta-band .btn-primary { background: var(--navy-900); color: #fff; }
.cta-band .btn-primary:hover { background: var(--navy-700); color: #fff; }
.cta-band .btn-outline { color: var(--navy-900); }
.cta-band .btn-outline:hover { background: var(--navy-900); color: #fff; border-color: var(--navy-900); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
.contact-cards { display: grid; gap: 18px; }
.c-card { display: flex; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.c-card h3 { font-size: 1.02rem; margin-bottom: 4px; }
.c-card p, .c-card a { margin: 0; color: var(--muted); font-size: .96rem; }
.c-card a { color: var(--navy-700); text-decoration: none; word-break: break-word; }
.c-card a:hover { color: var(--orange-600); text-decoration: underline; }
.c-card .icon-badge { flex: none; margin: 0; }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; }
.field label { font-family: var(--font-head); font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.field label .req { color: #b4380b; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; padding: 12px 14px; border: 1.5px solid #c9cddc; border-radius: var(--radius); background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy-700); box-shadow: 0 0 0 4px rgba(43,57,144,.12); }
.field textarea { min-height: 140px; resize: vertical; }
.field .err { color: #b4380b; font-size: .85rem; margin-top: 5px; min-height: 1em; }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: #b4380b; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: 14px; }
.form-status { margin-top: 16px; padding: 14px 16px; border-radius: var(--radius); display: none; font-size: .95rem; }
.form-status.ok { display: block; background: #e7f6ee; color: #0f5e39; border: 1px solid #b6e2c9; }
.form-status.fail { display: block; background: #fdf0e8; color: #8a3a0b; border: 1px solid #f3c9ad; }
.hp { position: absolute; left: -5000px; }
.map-wrap { margin-top: 60px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; aspect-ratio: 21 / 8; background: var(--paper); }
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
.offices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.office { padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.office .k { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--orange-600); }
.office h3 { margin: 6px 0 8px; font-size: 1.15rem; }
.office p { margin: 0; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #a9afd0; padding: 80px 0 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: .82rem; font-family: var(--font-mono); letter-spacing: .14em; text-transform: uppercase; font-weight: 500; margin-bottom: 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.site-footer a { color: #d4d8ee; text-decoration: none; }
.site-footer a:hover { color: var(--orange); }
.footer-brand img { height: 54px; width: auto; margin-bottom: 18px; }
.footer-brand p { max-width: 34ch; }
.footer-bottom { margin-top: 60px; border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .82rem; font-family: var(--font-mono); letter-spacing: .03em; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center; box-shadow: 0 10px 24px -8px rgba(0,0,0,.45); transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; } .reveal.d3 { transition-delay: .3s; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-net .pulse, .hero-net .node-ring { animation: none; }
  .card, .project, .btn { transition: none; }
}

/* ---------- 404 ---------- */
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.notfound .code { font-family: var(--font-head); font-weight: 800; font-size: clamp(5rem, 16vw, 10rem); color: var(--navy-700); line-height: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .process { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .process::before { display: none; }
  .equip-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; top: 0; width: min(340px, 86vw); height: 100vh; background: #fff;
    transform: translateX(100%); transition: transform .3s ease; box-shadow: -20px 0 40px -20px rgba(0,0,0,.3); padding: 96px 24px 24px; z-index: 99; visibility: hidden;
  }
  .main-nav.open { transform: none; visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav a { padding: 15px 4px; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .main-nav a::after { display: none; }
  .main-nav .nav-cta { margin: 20px 0 0; }
  .main-nav .nav-cta a { text-align: center; }
  .nav-toggle { position: relative; z-index: 101; }
  .hero-grid, .split, .section-head, .contact-grid, .vm-grid { grid-template-columns: 1fr; }
  .split.reverse > :first-child { order: 0; }
  .hero-net { max-width: 520px; }
  .cards, .why-grid, .cred-grid, .offices { grid-template-columns: 1fr 1fr; }
  .values { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .cred-strip ul { grid-template-columns: 1fr 1fr; }
  .cred-strip li:nth-child(3) { border-left: 0; }
  .cred-strip li { border-top: 1px solid rgba(255,255,255,.1); }
  .section-head { gap: 16px; margin-bottom: 40px; }
  .map-wrap { aspect-ratio: 4 / 3; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .section { padding: 72px 0; }
  .topbar .creds, .topbar .tb-email { display: none; }
  .brand-text span { display: none; }
  .brand img { height: 40px; }
  .hero { padding-top: 64px; }
  .cards, .why-grid, .cred-grid, .project-grid, .offices, .values, .footer-grid { grid-template-columns: 1fr; }
  .equip-grid { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .check-list.cols { grid-template-columns: 1fr; }
  .form { padding: 24px 18px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .spec { grid-template-columns: 1fr; gap: 0; }
  .spec dd { margin-bottom: 8px; }
  .split-media::before { left: -8px; top: -8px; width: 70px; height: 70px; }
  .wa-float { width: 52px; height: 52px; right: 16px; bottom: 16px; }
}
@media (max-width: 420px) {
  .equip-grid, .process, .stats { grid-template-columns: 1fr; }
  .stat + .stat { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .cred-strip ul { grid-template-columns: 1fr; }
  .cred-strip li { border-left: 0 !important; }
}