/* ==========================================================================
   IS Insight — global stylesheet
   Swap the tokens in :root below for real brand values.
   ========================================================================== */

:root {
  /* Brand gradient */
  --grad-a: #22d3ee;   /* cyan   */
  --grad-b: #6366f1;   /* indigo */
  --grad-c: #a855f7;   /* violet */
  --brand-gradient: linear-gradient(135deg, var(--grad-a) 0%, var(--grad-b) 50%, var(--grad-c) 100%);

  /* Surfaces (dark theme) */
  --bg:        #0b1120;
  --bg-alt:    #0f172a;
  --surface:   #131c31;
  --surface-2: #1a2540;
  --border:    rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);

  /* Text */
  --text:      #f1f5f9;
  --text-muted:#94a3b8;
  --text-dim:  #64748b;

  /* Accents */
  --accent:    #6366f1;
  --accent-cyan: #22d3ee;

  /* Typography */
  --font-head: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Layout */
  --maxw: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --gap: clamp(1rem, 3vw, 2rem);

  /* Shadow / glow */
  --shadow: 0 20px 50px -20px rgba(2, 6, 23, 0.8);
  --glow: 0 0 60px -12px rgba(99, 102, 241, 0.55);
}

/* ---- Reset & base ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }

/* Background ambience */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(60rem 40rem at 75% -10%, rgba(99, 102, 241, 0.18), transparent 60%),
    radial-gradient(50rem 40rem at 10% 10%, rgba(34, 211, 238, 0.10), transparent 55%);
  z-index: -1;
  pointer-events: none;
}

/* ---- Utilities ---------------------------------------------------------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-cyan);
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.06);
}
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: clamp(2.2rem, 5vw, 3.5rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 4.2vw, 2.9rem); margin-bottom: 1rem; }
.section-head p { color: var(--text-muted); font-size: 1.08rem; }
.lead { font-size: clamp(1.1rem, 2.4vw, 1.35rem); color: var(--text-muted); }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  font-family: var(--font-head); font-weight: 600; font-size: 0.98rem;
  padding: 0.85rem 1.6rem; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand-gradient); color: #0b1120; box-shadow: var(--glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 70px -6px rgba(99, 102, 241, 0.7); }
.btn-ghost { background: rgba(255,255,255,0.02); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent-cyan); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* ---- Header / nav ------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 17, 32, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); background: rgba(11, 17, 32, 0.9); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 1.5rem; }
.nav-logo { display: inline-flex; align-items: center; }
.nav-logo img, .nav-logo svg { height: 38px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 0.35rem; }
.nav-links a { padding: 0.5rem 0.9rem; border-radius: 8px; color: var(--text-muted); font-size: 0.96rem; font-weight: 500; transition: color .15s, background .15s; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 0.6rem; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border-strong); border-radius: 8px; width: 42px; height: 42px; cursor: pointer; padding: 0; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4px auto; border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-links {
    position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--border);
    padding: 0.5rem 1rem 1.2rem;
    transform: translateY(-140%); transition: transform .3s ease; z-index: -1;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 0.9rem 0.6rem; border-radius: 8px; }
}

/* ---- Hero --------------------------------------------------------------- */
.hero { position: relative; padding: clamp(4rem, 10vw, 8rem) 0 clamp(3.5rem, 8vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.1rem); margin-bottom: 1.4rem; }
.hero p.lead { margin-bottom: 2rem; max-width: 34ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.4rem; }
.hero-trust { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; color: var(--text-dim); font-size: 0.9rem; }
.hero-trust strong { color: var(--text); font-family: var(--font-head); }

/* Hero visual — orbiting dashboard card */
.hero-visual { position: relative; }
.orbit-card {
  background: linear-gradient(160deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border-strong); border-radius: 20px;
  padding: 1.3rem; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.orbit-card::before { content:""; position:absolute; inset:0; background: var(--brand-gradient); opacity:0.06; }
.orbit-head { display:flex; align-items:center; justify-content:space-between; margin-bottom: 1rem; position: relative; }
.orbit-head span { font-family: var(--font-head); font-size: 0.85rem; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; }
.orbit-dot { width: 9px; height: 9px; border-radius: 50%; background: #34d399; box-shadow: 0 0 10px #34d399; }
.orbit-metrics { display:grid; grid-template-columns: repeat(2,1fr); gap: 0.7rem; position: relative; }
.metric { background: rgba(255,255,255,0.02); border:1px solid var(--border); border-radius: 12px; padding: 0.85rem; }
.metric .val { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; }
.metric .lbl { font-size: 0.74rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.spark { height: 40px; margin-top: 0.9rem; display:flex; align-items:flex-end; gap:4px; position: relative; }
.spark i { flex:1; background: var(--brand-gradient); border-radius: 3px 3px 0 0; opacity: 0.85; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 460px; }
}

/* ---- Cards / grids ------------------------------------------------------ */
.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.7rem; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; display:grid; place-items:center;
  background: rgba(99,102,241,0.12); border: 1px solid var(--border-strong); margin-bottom: 1.1rem;
  color: var(--accent-cyan);
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.22rem; margin-bottom: 0.6rem; }
.card p { color: var(--text-muted); font-size: 0.98rem; }
.card .card-link { display:inline-flex; align-items:center; gap:0.4rem; margin-top: 1rem; color: var(--accent-cyan); font-weight:600; font-size:0.92rem; }
.card .card-link:hover { gap: 0.7rem; }

/* Feature list rows */
.feature-row { display:flex; gap:1rem; align-items:flex-start; padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.feature-row:last-child { border-bottom: none; }
.feature-row .tick { flex:none; width:26px; height:26px; border-radius:50%; display:grid; place-items:center; background: var(--brand-gradient); color:#0b1120; font-weight:700; font-size:0.85rem; }
.feature-row h4 { font-size:1.05rem; margin-bottom:0.2rem; }
.feature-row p { color: var(--text-muted); font-size:0.95rem; }

/* ---- Stats -------------------------------------------------------------- */
.stats { display:grid; grid-template-columns: repeat(4,1fr); gap:1.4rem; text-align:center; }
@media (max-width:700px){ .stats{ grid-template-columns: repeat(2,1fr); } }
.stat .num { font-family: var(--font-head); font-size: clamp(2.2rem,5vw,3.2rem); font-weight:700; }
.stat .cap { color: var(--text-muted); font-size:0.95rem; margin-top:0.2rem; }

/* ---- Logos strip -------------------------------------------------------- */
.logos { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap: clamp(1.5rem,5vw,3.5rem); opacity:0.75; }
.logos span { font-family: var(--font-head); font-weight:700; font-size:1.15rem; color: var(--text-dim); letter-spacing:0.03em; }

/* ---- Testimonial -------------------------------------------------------- */
.quote { max-width: 820px; margin-inline:auto; text-align:center; }
.quote blockquote { font-family: var(--font-head); font-size: clamp(1.3rem,3.2vw,2rem); line-height:1.35; font-weight:500; }
.quote .attr { margin-top:1.5rem; color: var(--text-muted); }
.quote .attr strong { color: var(--text); display:block; font-family: var(--font-head); }

/* ---- CTA band ----------------------------------------------------------- */
.cta-band {
  position: relative; border-radius: 24px; overflow: hidden;
  background: linear-gradient(150deg, var(--surface-2), var(--bg-alt));
  border: 1px solid var(--border-strong);
  padding: clamp(2.5rem, 6vw, 4.5rem); text-align:center;
}
.cta-band::before { content:""; position:absolute; inset:0; background: var(--brand-gradient); opacity:0.1; }
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(1.8rem,4.5vw,2.8rem); margin-bottom: 1rem; }
.cta-band p { color: var(--text-muted); max-width: 560px; margin: 0 auto 2rem; font-size: 1.1rem; }
.cta-actions { display:flex; gap:0.9rem; justify-content:center; flex-wrap:wrap; }

/* ---- Page hero (interior) ---------------------------------------------- */
.page-hero { padding: clamp(3.5rem,8vw,6rem) 0 clamp(2rem,5vw,3rem); text-align:center; }
.page-hero h1 { font-size: clamp(2.2rem,5.5vw,3.6rem); margin-bottom:1.2rem; }
.page-hero p { max-width: 640px; margin-inline:auto; }

/* ---- Split feature block (overwatch/solutions) ------------------------- */
.split { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items:center; }
.split.reverse .split-media { order: 2; }
@media (max-width: 860px){ .split, .split.reverse { grid-template-columns:1fr; } .split.reverse .split-media{ order:0; } }
.split-media {
  background: linear-gradient(160deg, var(--surface), var(--bg-alt));
  border:1px solid var(--border-strong); border-radius: 20px; padding: 1.6rem; box-shadow: var(--shadow);
}
.panel-line { display:flex; align-items:center; justify-content:space-between; padding:0.7rem 0; border-bottom:1px solid var(--border); font-size:0.92rem; }
.panel-line:last-child{ border-bottom:none; }
.panel-line .k { color: var(--text-muted); }
.panel-line .v { font-family: var(--font-head); font-weight:600; }
.badge { font-size:0.72rem; padding:0.2rem 0.6rem; border-radius:999px; font-weight:600; }
.badge.ok { background: rgba(52,211,153,0.14); color:#34d399; }
.badge.warn { background: rgba(251,191,36,0.14); color:#fbbf24; }
.badge.crit { background: rgba(248,113,113,0.14); color:#f87171; }

/* ---- Timeline (about) --------------------------------------------------- */
.timeline { position:relative; padding-left: 2rem; }
.timeline::before { content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background: var(--brand-gradient); opacity:0.5; }
.tl-item { position:relative; padding-bottom:2rem; }
.tl-item::before { content:""; position:absolute; left:-2rem; top:5px; width:16px; height:16px; border-radius:50%; background: var(--bg); border:3px solid var(--accent); }
.tl-item .yr { font-family: var(--font-head); font-weight:700; color: var(--accent-cyan); font-size:0.95rem; }
.tl-item h4 { margin:0.25rem 0 0.35rem; }
.tl-item p { color: var(--text-muted); font-size:0.97rem; }

/* ---- Contact ------------------------------------------------------------ */
.contact-grid { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,3.5rem); align-items:start; }
@media (max-width: 860px){ .contact-grid{ grid-template-columns:1fr; } }
.form-field { margin-bottom: 1.1rem; }
.form-field label { display:block; font-size:0.85rem; font-weight:600; margin-bottom:0.4rem; color: var(--text-muted); }
.form-field input, .form-field textarea, .form-field select {
  width:100%; background: var(--surface); border:1px solid var(--border-strong); border-radius: 10px;
  padding: 0.8rem 0.95rem; color: var(--text); font-family: var(--font-body); font-size:0.98rem; transition: border-color .15s, box-shadow .15s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline:none; border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(34,211,238,0.15);
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size:0.85rem; color: var(--text-dim); margin-top: 0.8rem; }
.form-success { display:none; padding:1rem 1.1rem; border-radius:10px; background: rgba(52,211,153,0.12); border:1px solid rgba(52,211,153,0.3); color:#6ee7b7; margin-bottom:1rem; }
.form-success.show { display:block; }
.contact-detail { display:flex; gap:0.9rem; align-items:flex-start; padding:1.1rem 0; border-bottom:1px solid var(--border); }
.contact-detail:last-child{ border-bottom:none; }
.contact-detail .ic { flex:none; width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:rgba(99,102,241,0.12);border:1px solid var(--border-strong);color:var(--accent-cyan);}
.contact-detail h4{ font-size:1rem; margin-bottom:0.15rem;}
.contact-detail p, .contact-detail a { color: var(--text-muted); font-size:0.95rem; }
.contact-detail a:hover{ color: var(--accent-cyan); }

/* ---- Footer ------------------------------------------------------------- */
.site-footer { border-top:1px solid var(--border); background: var(--bg-alt); padding: clamp(3rem,6vw,4.5rem) 0 2rem; margin-top: 2rem; }
.footer-grid { display:grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; margin-bottom: 2.5rem; }
@media (max-width: 820px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-brand img, .footer-brand svg { height: 40px; width: auto; margin-bottom: 1rem; }
.footer-brand p { color: var(--text-muted); font-size:0.95rem; max-width: 34ch; }
.footer-col h5 { font-family: var(--font-head); font-size:0.82rem; text-transform:uppercase; letter-spacing:0.1em; color: var(--text-dim); margin-bottom: 1rem; }
.footer-col a { display:block; color: var(--text-muted); padding:0.32rem 0; font-size:0.95rem; transition: color .15s; }
.footer-col a:hover { color: var(--accent-cyan); }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:1rem; padding-top: 1.8rem; border-top:1px solid var(--border); color: var(--text-dim); font-size:0.88rem; }
.footer-bottom .socials { display:flex; gap:0.6rem; }
.footer-bottom .socials a { width:36px; height:36px; border-radius:9px; display:grid; place-items:center; border:1px solid var(--border); color: var(--text-muted); transition: .15s; }
.footer-bottom .socials a:hover { color:#fff; border-color: var(--accent-cyan); }

/* ---- Reveal animation --------------------------------------------------- */
.reveal { opacity:0; transform: translateY(24px); 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; }
}

/* ---- Misc --------------------------------------------------------------- */
.pill-row { display:flex; flex-wrap:wrap; gap:0.6rem; margin-top: 1.4rem; }
.pill { font-size:0.85rem; padding:0.45rem 0.9rem; border-radius:999px; border:1px solid var(--border-strong); color: var(--text-muted); background: rgba(255,255,255,0.02); }
.center { text-align:center; }
.mt-2 { margin-top: 2rem; }
.skip-link { position:absolute; left:-999px; top:0; background: var(--accent); color:#fff; padding:0.6rem 1rem; border-radius:0 0 8px 0; z-index:100; }
.skip-link:focus { left:0; }