/* ============================================================
   NthLaw Technologies — Components & Sections
   ============================================================ */

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5,5,5,0.72);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--grad-primary);
  display: grid; place-items: center;
  box-shadow: var(--glow-violet);
  position: relative;
}
.brand .mark span { font-weight: 800; font-size: 15px; color: #fff; }
.brand b { font-weight: 800; }
.brand i { font-style: normal; color: var(--muted); font-weight: 500; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { font-size: 14.5px; color: var(--muted); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle { display: none; background: none; border: none; color: #fff; }
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 940px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; padding-top: 90px; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 70% 35%, rgba(0,212,255,0.10), transparent 60%),
    radial-gradient(ellipse 50% 60% at 25% 70%, rgba(139,92,246,0.12), transparent 60%),
    linear-gradient(180deg, transparent 55%, var(--bg) 98%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px 7px 12px; border-radius: 100px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--line-strong);
  font-size: 13px; color: var(--muted); margin-bottom: 30px; backdrop-filter: blur(8px);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.hero-badge b { color: var(--text); font-weight: 600; }
.hero h1 { margin-bottom: 26px; max-width: 17ch; }
.hero .lead { margin-bottom: 38px; max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-stats { display: flex; gap: clamp(28px,5vw,64px); margin-top: clamp(56px, 8vw, 96px); flex-wrap: wrap; }
.hero-stat .n { font-size: clamp(28px,3.4vw,40px); font-weight: 800; letter-spacing: -0.03em; }
.hero-stat .l { font-size: 13.5px; color: var(--muted); margin-top: 4px; }
.scroll-cue { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 3; color: var(--muted-2); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.scroll-cue .bar { width: 1px; height: 40px; background: linear-gradient(var(--cyan), transparent); animation: scrolldown 1.8s ease-in-out infinite; }
@keyframes scrolldown { 0%,100% { opacity:.3; transform: scaleY(.6); transform-origin: top; } 50% { opacity:1; transform: scaleY(1);} }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(40px,6vw,80px); align-items: center; }
.about-copy p { color: var(--muted); font-size: clamp(17px,1.4vw,19px); margin-top: 22px; max-width: 54ch; text-wrap: pretty; }
.about-copy .quote { color: var(--text); font-size: clamp(19px,1.7vw,23px); font-weight: 500; line-height: 1.5; }
.about-visual { position: relative; aspect-ratio: 1/1; display: grid; place-items: center; }
.orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.orbit.o1 { inset: 8%; } .orbit.o2 { inset: 22%; } .orbit.o3 { inset: 36%; }
.orbit::before { content:""; position:absolute; width:9px; height:9px; border-radius:50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); top:-5px; left:50%; }
.orbit.o1 { animation: spin 20s linear infinite; }
.orbit.o2 { animation: spin 14s linear infinite reverse; }
.orbit.o2::before { background: var(--violet); box-shadow: 0 0 14px var(--violet); }
.orbit.o3 { animation: spin 9s linear infinite; }
.orbit.o3::before { background: var(--indigo); box-shadow: 0 0 14px var(--indigo); }
@keyframes spin { to { transform: rotate(360deg); } }
.about-core {
  width: 38%; aspect-ratio: 1; border-radius: 50%;
  background: var(--grad-primary); background-size: 200% 200%;
  display: grid; place-items: center; text-align: center;
  box-shadow: 0 0 70px rgba(79,70,229,0.5);
  animation: pulse-core 5s ease-in-out infinite, gradmove 8s ease infinite;
}
.about-core span { font-weight: 800; font-size: clamp(14px,1.4vw,18px); letter-spacing: -0.01em; }
@keyframes pulse-core { 0%,100% { transform: scale(1);} 50% { transform: scale(1.05);} }
@keyframes gradmove { 0%,100% { background-position: 0% 50%;} 50% { background-position: 100% 50%;} }

/* ---------- Services ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
  position: relative; padding: 34px 30px; border-radius: var(--radius-lg);
  background: var(--card); border: 1px solid var(--line);
  overflow: hidden; transition: transform .4s cubic-bezier(.2,.7,.3,1), border-color .4s, background .4s;
}
.svc-card::before {
  content:""; position:absolute; inset:0; opacity:0; transition:opacity .4s;
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%), rgba(0,212,255,0.10), transparent 45%);
}
.svc-card:hover { transform: translateY(-6px); border-color: var(--line-strong); background: var(--card-2); }
.svc-card:hover::before { opacity: 1; }
.svc-ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--line-strong); margin-bottom: 24px;
}
.svc-ico svg { width: 24px; height: 24px; stroke: var(--cyan); }
.svc-card h3 { font-size: 22px; margin-bottom: 12px; }
.svc-card p { color: var(--muted); font-size: 15px; margin-bottom: 20px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.svc-tags span { font-size: 12.5px; color: var(--muted); padding: 5px 11px; border-radius: 100px; background: rgba(255,255,255,0.04); border: 1px solid var(--line); }
.svc-num { position: absolute; top: 26px; right: 30px; font-size: 13px; color: var(--muted-2); font-variant-numeric: tabular-nums; }

/* ---------- Ecosystem ---------- */
.eco { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,6vw,72px); align-items: center; }
.eco-diagram { position: relative; }
.eco-hub {
  display: grid; place-items: center; text-align: center;
  width: 168px; height: 168px; border-radius: 50%; margin: 0 auto 40px;
  background: radial-gradient(circle at 50% 40%, rgba(79,70,229,0.5), rgba(5,5,5,0.2));
  border: 1px solid var(--line-strong); box-shadow: var(--glow-violet);
}
.eco-hub b { font-size: 19px; } .eco-hub span { font-size: 12px; color: var(--muted); }
.eco-nodes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.eco-node {
  display: flex; align-items: center; gap: 13px; padding: 16px 18px;
  border-radius: 14px; background: var(--card); border: 1px solid var(--line);
  transition: transform .3s, border-color .3s, background .3s;
}
.eco-node:hover { transform: translateX(4px); border-color: var(--line-strong); background: var(--card-2); }
.eco-node .ni { width: 34px; height: 34px; border-radius: 9px; background: var(--grad-soft); display: grid; place-items: center; flex-shrink: 0; }
.eco-node .ni svg { width: 17px; height: 17px; stroke: var(--cyan); }
.eco-node b { font-size: 15px; font-weight: 600; } .eco-node small { display:block; color: var(--muted-2); font-size: 12px; }

/* ---------- Products ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.prod-card {
  position: relative; padding: 32px; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--card); border: 1px solid var(--line); min-height: 280px;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform .4s cubic-bezier(.2,.7,.3,1), border-color .4s;
}
.prod-card:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.prod-card .sheen { position: absolute; inset: 0; opacity: .8; background: radial-gradient(120% 90% at 80% 0%, rgba(0,212,255,0.14), transparent 55%); }
.prod-card.v2 .sheen { background: radial-gradient(120% 90% at 80% 0%, rgba(139,92,246,0.16), transparent 55%); }
.prod-card.v3 .sheen { background: radial-gradient(120% 90% at 80% 0%, rgba(79,70,229,0.18), transparent 55%); }
.prod-card .tag { position: relative; align-self: flex-start; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--cyan); margin-bottom: auto; }
.prod-card h3 { position: relative; font-size: 25px; margin-bottom: 8px; }
.prod-card p { position: relative; color: var(--muted); font-size: 14.5px; }
.prod-card .arrow { position: relative; margin-top: 20px; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-strong); display: grid; place-items: center; transition: background .3s, transform .3s; }
.prod-card:hover .arrow { background: var(--grad-primary); transform: rotate(-45deg); border-color: transparent; }
.prod-card .arrow svg { width: 16px; height: 16px; }
/* spans for 5 products in 6-col grid */
.prod-grid .prod-card:nth-child(1) { grid-column: span 3; }
.prod-grid .prod-card:nth-child(2) { grid-column: span 3; }
.prod-grid .prod-card:nth-child(3) { grid-column: span 2; }
.prod-grid .prod-card:nth-child(4) { grid-column: span 2; }
.prod-grid .prod-card:nth-child(5) { grid-column: span 2; }

/* ---------- Industries ---------- */
.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ind-card {
  position: relative; aspect-ratio: 1.15/1; padding: 24px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: transform .35s, border-color .35s, background .35s;
}
.ind-card:hover { transform: translateY(-5px) scale(1.01); border-color: var(--line-strong); background: var(--card-2); }
.ind-card .glow { position: absolute; width: 140px; height: 140px; border-radius: 50%; filter: blur(50px); background: var(--cyan); opacity: 0; transition: opacity .4s; bottom: -50px; right: -40px; }
.ind-card:hover .glow { opacity: .22; }
.ind-card .ii svg { width: 26px; height: 26px; stroke: var(--text); opacity: .85; }
.ind-card b { font-size: 18px; font-weight: 600; position: relative; }
.ind-card small { color: var(--muted-2); font-size: 12.5px; display: block; margin-top: 3px; position: relative; }

/* ---------- Why choose / Stats ---------- */
.why { position: relative; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,6vw,80px); align-items: center; }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.stat-cell { background: var(--bg-soft); padding: 32px 30px; }
.stat-cell .n { font-size: clamp(38px,4.4vw,56px); font-weight: 800; letter-spacing: -0.04em; }
.stat-cell .n .grad-text { display: inline; }
.stat-cell .l { color: var(--muted); font-size: 14.5px; margin-top: 6px; }
.why-list { display: flex; flex-direction: column; gap: 18px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item .chk { width: 26px; height: 26px; border-radius: 8px; background: var(--grad-soft); border: 1px solid var(--line-strong); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; }
.why-item .chk svg { width: 14px; height: 14px; stroke: var(--cyan); }
.why-item b { font-weight: 600; font-size: 17px; } .why-item p { color: var(--muted); font-size: 14.5px; margin-top: 2px; }

/* ---------- Tech stack ---------- */
.tech-cloud { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; max-width: 900px; margin: 0 auto; }
.tech-chip {
  padding: 13px 22px; border-radius: 100px; font-size: 15px; font-weight: 500;
  background: var(--card); border: 1px solid var(--line); color: var(--muted);
  transition: transform .3s, color .3s, border-color .3s, background .3s; cursor: default;
}
.tech-chip:hover { transform: translateY(-3px); color: var(--text); border-color: var(--cyan); background: rgba(0,212,255,0.07); box-shadow: 0 0 24px rgba(0,212,255,0.15); }

/* ---------- Case studies ---------- */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case-card {
  padding: 38px; border-radius: var(--radius-lg); background: var(--card); border: 1px solid var(--line);
  transition: transform .4s, border-color .4s; position: relative; overflow: hidden;
}
.case-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.case-card .cs-tag { font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--violet); font-weight: 600; }
.case-card h3 { font-size: 26px; margin: 14px 0 20px; }
.case-card ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.case-card li { display: flex; align-items: center; gap: 11px; color: var(--muted); font-size: 15px; }
.case-card li::before { content:""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad-primary); flex-shrink: 0; }

/* ---------- Innovation Lab ---------- */
.lab { position: relative; overflow: hidden; }
.lab-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,6vw,80px); align-items: center; }
.lab-visual { position: relative; aspect-ratio: 1.1/1; border-radius: var(--radius-lg); border: 1px solid var(--line); background: radial-gradient(circle at 50% 50%, rgba(139,92,246,0.16), transparent 65%); overflow: hidden; display: grid; place-items: center; }
.lab-rings { position: absolute; inset: 0; display: grid; place-items: center; }
.lab-ring { position: absolute; border: 1px solid rgba(0,212,255,0.18); border-radius: 50%; }
.lab-chips { position: relative; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 80%; }
.lab-chips span { padding: 9px 15px; border-radius: 100px; font-size: 13px; background: rgba(255,255,255,0.05); border: 1px solid var(--line-strong); backdrop-filter: blur(6px); }

/* ---------- Careers ---------- */
.careers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.role-card {
  padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line);
  transition: transform .35s, border-color .35s, background .35s; display: flex; flex-direction: column; gap: 14px;
}
.role-card:hover { transform: translateY(-5px); border-color: var(--line-strong); background: var(--card-2); }
.role-card .rt { font-size: 18px; font-weight: 600; }
.role-card small { color: var(--muted); font-size: 13px; }
.role-card .rl { margin-top: auto; font-size: 13.5px; color: var(--cyan); display: inline-flex; align-items: center; gap: 7px; }
.role-card .rl svg { width: 14px; height: 14px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(40px,6vw,72px); }
.contact-info p { color: var(--muted); margin-top: 18px; max-width: 40ch; }
.contact-meta { margin-top: 38px; display: flex; flex-direction: column; gap: 18px; }
.contact-meta .row { display: flex; gap: 14px; align-items: center; }
.contact-meta .ci { width: 40px; height: 40px; border-radius: 11px; background: var(--card); border: 1px solid var(--line); display: grid; place-items: center; flex-shrink: 0; }
.contact-meta .ci svg { width: 18px; height: 18px; stroke: var(--cyan); }
.contact-meta small { color: var(--muted-2); font-size: 12px; display: block; }
.contact-meta b { font-weight: 500; font-size: 15px; }

.form { padding: clamp(28px,4vw,42px); border-radius: var(--radius-lg); background: var(--card); border: 1px solid var(--line); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 12px; background: var(--bg-soft);
  border: 1px solid var(--line); color: var(--text); font-family: inherit; font-size: 15px;
  transition: border-color .25s, box-shadow .25s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,212,255,0.12); }
.field textarea { resize: vertical; min-height: 110px; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,0.12); }
.field .err { color: #f87171; font-size: 12px; margin-top: 6px; display: none; }
.field.invalid .err { display: block; }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.form-success { display: none; padding: 16px 18px; border-radius: 12px; background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.3); color: var(--text); font-size: 14.5px; margin-bottom: 18px; }
.form-success.show { display: block; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-top: clamp(64px,8vw,96px); padding-bottom: 40px; position: relative; }
.footer-top { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 40px; margin-bottom: 64px; }
.footer-brand .lead { font-size: 15px; margin-top: 18px; max-width: 34ch; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); margin-bottom: 18px; font-weight: 600; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-col a { color: var(--muted); font-size: 14.5px; transition: color .2s; }
.footer-col a:hover { color: var(--text); }
.footer-bot { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; border-top: 1px solid var(--line); flex-wrap: wrap; gap: 16px; }
.footer-bot small { color: var(--muted-2); font-size: 13.5px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); display: grid; place-items: center; transition: border-color .25s, background .25s; }
.footer-social a:hover { border-color: var(--line-strong); background: var(--card); }
.footer-social svg { width: 17px; height: 17px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .careers-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .about-grid, .eco, .why-grid, .lab-inner, .contact-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 420px; margin: 0 auto; width: 100%; }
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid .prod-card { grid-column: span 1 !important; }
  .case-grid { grid-template-columns: 1fr; }
  .eco-hub { margin-bottom: 28px; }
}
@media (max-width: 560px) {
  .cards-grid, .ind-grid, .prod-grid, .careers-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}