/* ==========================================================
   FutureGrid — styles
   Palette: Deep Navy #0B1F4D · Electric Blue #2563FF · Teal #14B8A6
            Charcoal #1F2937 · Soft Gray #E5E7EB
   ========================================================== */

:root {
  --navy: #0B1F4D;
  --blue: #2563FF;
  --teal: #14B8A6;
  --charcoal: #1F2937;
  --gray: #E5E7EB;

  --text: var(--charcoal);
  --muted: #5B6475;
  --bg: #FFFFFF;
  --bg-tint: #F5F8FF;
  --line: #E8ECF3;

  --gradient: linear-gradient(135deg, var(--blue), var(--teal));
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 31, 77, .04), 0 8px 24px rgba(11, 31, 77, .06);
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; color: var(--navy); line-height: 1.15; letter-spacing: -.02em; }
p { margin: 0; }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.icon {
  width: 20px; height: 20px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}

.eyebrow {
  font-size: 12px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.accent { color: var(--blue); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 24px;
  border-radius: 999px; border: 1px solid transparent;
  font-family: inherit; font-size: 15px; font-weight: 600; line-height: 1;
  cursor: pointer;
  transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn .icon { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .icon { transform: translateX(3px); }

.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--blue); box-shadow: 0 8px 20px rgba(37, 99, 255, .25); }

.btn--ghost { background: #fff; color: var(--navy); border-color: #CBD3E1; }
.btn--ghost:hover { border-color: var(--navy); }

.btn--sm { height: 40px; padding: 0 20px; font-size: 14px; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.header.is-scrolled { border-color: var(--line); }

.header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 700; color: var(--navy); letter-spacing: -.02em; }
.brand img { width: 40px; height: auto; }
.brand b { color: var(--blue); font-weight: 700; }

.nav { display: flex; align-items: center; gap: 36px; }
.nav a:not(.btn) { font-size: 15px; font-weight: 500; color: var(--charcoal); transition: color .2s; }
.nav a:not(.btn):hover { color: var(--blue); }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 56px;
  background:
    radial-gradient(60% 60% at 80% 30%, rgba(37, 99, 255, .10), transparent 70%),
    linear-gradient(180deg, #FFFFFF, var(--bg-tint));
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(11, 31, 77, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 31, 77, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(50% 60% at 75% 40%, #000, transparent);
  -webkit-mask-image: radial-gradient(50% 60% at 75% 40%, #000, transparent);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 48px;
}

.hero h1 { font-size: clamp(36px, 5vw, 58px); font-weight: 700; margin-bottom: 24px; }
.lead { font-size: 18px; color: var(--muted); max-width: 520px; margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Isometric layered visual */
.hero__visual { display: grid; place-items: center; min-height: 420px; }
.stack { position: relative; width: 100%; max-width: 440px; aspect-ratio: 1; }

.layer {
  --y: 0px;
  position: absolute; left: 50%; top: 50%;
  width: 58%; aspect-ratio: 1;
  border-radius: 28px;
  transform: translate(-50%, calc(-50% + var(--y))) rotateX(58deg) rotateZ(45deg);
}
.layer--base {
  --y: 70px;
  background: linear-gradient(135deg, rgba(191, 211, 255, .55), rgba(204, 245, 238, .55));
  border: 1px solid rgba(255, 255, 255, .8);
  box-shadow: 2px 2px 0 rgba(160, 190, 240, .5), 4px 4px 0 rgba(160, 190, 240, .5),
              6px 6px 0 rgba(160, 190, 240, .5), 30px 30px 60px rgba(37, 99, 255, .15);
}
.layer--core {
  --y: 20px;
  background: var(--gradient);
  box-shadow: 2px 2px 0 #1B4FD8, 4px 4px 0 #1B4FD8, 6px 6px 0 #149C93, 8px 8px 0 #149C93,
              10px 10px 0 #12877F, 0 0 80px rgba(37, 99, 255, .45);
}
.layer--top {
  --y: -40px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, .95), rgba(235, 242, 255, .85));
  border: 1px solid #fff;
  box-shadow: 2px 2px 0 #DCE5F5, 4px 4px 0 #DCE5F5, 6px 6px 0 #CFDAEF, 8px 8px 0 #CFDAEF,
              20px 20px 40px rgba(11, 31, 77, .12);
  animation: float 6s ease-in-out infinite;
}
.layer--top img { width: 48%; transform: rotateZ(-45deg); }

@keyframes float {
  0%, 100% { transform: translate(-50%, calc(-50% + var(--y))) rotateX(58deg) rotateZ(45deg); }
  50%      { transform: translate(-50%, calc(-50% + var(--y) - 10px)) rotateX(58deg) rotateZ(45deg); }
}

/* Feature strip */
.features {
  position: relative;
  list-style: none; margin: 56px 0 0; padding: 24px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.features li { display: flex; align-items: center; gap: 14px; padding: 4px 20px; }
.features li + li { border-left: 1px solid var(--line); }
.features .icon { width: 28px; height: 28px; color: var(--blue); }
.features strong { display: block; font-size: 15px; font-weight: 600; color: var(--navy); }
.features span { font-size: 13px; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 112px 0; }
.section--tint { background: var(--bg-tint); }

.section__head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section__head p:last-child, .platform__copy > p:not(.eyebrow), .company__body > p { color: var(--muted); font-size: 17px; }

h2 { font-size: clamp(30px, 3.6vw, 42px); font-weight: 700; margin-bottom: 18px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  padding: 32px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card__icon {
  display: grid; place-items: center;
  width: 48px; height: 48px; margin-bottom: 24px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37, 99, 255, .10), rgba(20, 184, 166, .12));
  color: var(--blue);
}
.card__icon .icon { width: 24px; height: 24px; }
.card h3 { font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }

/* ---------- Platform ---------- */
.platform { display: grid; grid-template-columns: 1fr 1.35fr; align-items: center; gap: 64px; }

.checklist { list-style: none; padding: 0; margin: 28px 0 36px; display: grid; gap: 12px; }
.checklist li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.checklist .icon {
  width: 22px; height: 22px; padding: 4px;
  border-radius: 50%; background: rgba(20, 184, 166, .14); color: var(--teal); stroke-width: 2.6;
}

/* Dashboard mock */
.dashboard {
  display: grid; grid-template-columns: 160px 1fr;
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 30px 60px rgba(11, 31, 77, .12);
  overflow: hidden; font-size: 12px;
}
.dashboard__side {
  display: flex; flex-direction: column; gap: 4px;
  padding: 18px 12px;
  background: var(--navy); color: rgba(255, 255, 255, .75);
}
.dashboard__brand { display: flex; align-items: center; gap: 8px; margin: 0 6px 18px; font-size: 14px; font-weight: 700; color: #fff; }
.dashboard__side span { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; }
.dashboard__side .icon { width: 15px; height: 15px; }
.dashboard__side .is-active { background: var(--blue); color: #fff; }
.dashboard__side .push { margin-top: auto; }

.dashboard__main { padding: 20px; background: #FAFBFD; min-width: 0; }
.dashboard__title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.dashboard__title strong { font-size: 17px; color: var(--navy); }
.dashboard__title small { padding: 5px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--muted); }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 10px; }
.kpi, .panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.kpi small, .panel small { display: block; color: var(--muted); font-size: 11px; }
.kpi b { display: block; margin-top: 4px; font-size: 17px; color: var(--navy); }
.kpi em { font-style: normal; font-size: 11px; font-weight: 600; color: var(--teal); }

.panels { display: grid; grid-template-columns: 1.7fr 1fr; gap: 10px; }
.panel__head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.legend { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 10px; }
.legend i { width: 7px; height: 7px; border-radius: 50%; }
.legend i + i { margin-left: 6px; }
.c1 { background: var(--blue); }
.c2 { background: var(--teal); }
.chart { width: 100%; height: 120px; }

.panel--donut { display: flex; flex-direction: column; }
.donut { position: relative; flex: 1; display: grid; place-items: center; padding-top: 8px; }
.donut svg { width: 110px; height: 110px; }
.donut span { position: absolute; display: grid; text-align: center; color: var(--muted); font-size: 10px; line-height: 1.3; padding-top: 8px; }
.donut b { font-size: 16px; color: var(--navy); }

/* ---------- Stats ---------- */
.stats { padding: 72px 0; background: var(--navy); color: #fff; position: relative; overflow: hidden; }
.stats::after {
  content: ""; position: absolute; right: -10%; top: -60%;
  width: 50%; height: 220%;
  background: var(--gradient); opacity: .18;
  transform: skewX(-24deg);
}
.stats__grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats b { display: block; font-size: clamp(32px, 4vw, 44px); font-weight: 700; letter-spacing: -.02em; }
.stats span { color: rgba(255, 255, 255, .7); font-size: 15px; }

/* ---------- Company ---------- */
.company { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.values { display: grid; gap: 0; margin: 36px 0 0; }
.values div { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.values div:last-child { border-bottom: 1px solid var(--line); }
.values dt { font-weight: 600; color: var(--navy); }
.values dd { margin: 0; color: var(--muted); }

/* ---------- CTA ---------- */
.section--cta { padding-top: 0; }
.cta {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1fr 1.25fr; align-items: center; gap: 48px;
  padding: 56px;
  border-radius: 24px;
  background: linear-gradient(120deg, #F3F7FF 0%, #EAF1FF 55%, #E6FAF6 100%);
  border: 1px solid var(--line);
}
.cta::after {
  content: ""; position: absolute; right: -60px; top: -40%;
  width: 260px; height: 180%;
  background: var(--gradient); opacity: .14;
  transform: skewX(-24deg);
  pointer-events: none;
}
.cta h2 { margin-bottom: 12px; }
.cta p { color: var(--muted); }

.cta__form {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  padding: 28px;
  background: rgba(255, 255, 255, .85);
  border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow);
}
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--navy); }
.field label span { color: var(--blue); }
.cta__form input:not(.sr-only), .cta__form textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid #CBD3E1; border-radius: 10px;
  font: inherit; font-size: 15px; color: var(--text); background: #fff;
  outline: none; transition: border-color .2s, box-shadow .2s;
}
.cta__form textarea { resize: vertical; min-height: 110px; }
.cta__form input:focus, .cta__form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(37, 99, 255, .12); }
.cta__form .is-invalid { border-color: #DC2626 !important; }
.cta__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.cta__note { flex: 1 1 200px; font-size: 14px; color: var(--teal) !important; font-weight: 500; }

/* ---------- Footer ---------- */
.footer { padding: 72px 0 32px; border-top: 1px solid var(--line); background: #FAFBFD; font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer__tag { margin-top: 16px; color: var(--muted); font-size: 13px; letter-spacing: .04em; }
.footer h4 { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--navy); margin-bottom: 16px; }
.footer nav, .footer__grid > div:last-child { display: flex; flex-direction: column; gap: 10px; color: var(--muted); }
.footer__grid > div:first-child { display: block; }
.footer a:hover { color: var(--blue); }
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px;
}

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner, .platform, .company, .cta { grid-template-columns: 1fr; }
  .hero__visual { min-height: 340px; }
  .stack { max-width: 360px; }
  .features { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .features li:nth-child(3) { border-left: 0; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .company { gap: 8px; }
  .cta { padding: 48px; }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: grid; place-content: center; gap: 6px;
    width: 44px; height: 44px; padding: 0;
    background: none; border: 0; cursor: pointer;
  }
  .nav-toggle span { width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .25s; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

  .nav {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 20px 20px;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(11, 31, 77, .08);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__cta { margin-top: 16px; }

  .hero { padding-top: 48px; }
  .section { padding: 80px 0; }
  .features { grid-template-columns: 1fr; padding: 12px; row-gap: 0; }
  .features li { padding: 14px 8px; }
  .features li + li { border-left: 0; border-top: 1px solid var(--line); }
  .cards { grid-template-columns: 1fr; }
  .dashboard { grid-template-columns: 1fr; }
  .dashboard__side { display: none; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .panels { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .values div { grid-template-columns: 1fr; gap: 4px; }
  .cta { padding: 36px 20px; }
  .cta__form { grid-template-columns: 1fr; padding: 20px; }
  .cta__actions .btn { width: 100%; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > div:first-child { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Contact form states */
.cta__note.is-error { color: #DC2626 !important; }
.cta__form .btn:disabled { opacity: .7; cursor: wait; }