/* ============================================================
   Siera BPM — corporate site stylesheet
   Palette drawn from the Siera logo
   ============================================================ */
:root {
  --navy-900: #0a1433;
  --navy-800: #0e1c46;
  --navy-700: #14275e;
  --navy-600: #1b3478;
  --blue-600: #1b5fd9;
  --blue-500: #2470e0;
  --blue-400: #3a8de8;
  --sky-400:  #3aa0e8;
  --teal-400: #17b8c4;
  --teal-300: #2fd4de;
  --ink:      #16213e;
  --slate-600:#4a5678;
  --slate-500:#5f6b8c;
  --line:     #e3e8f4;
  --paper:    #ffffff;
  --mist:     #f4f7fc;
  --mist-2:   #eaf0fa;
  --grad-wave: linear-gradient(100deg, var(--teal-400), var(--sky-400) 35%, var(--blue-600) 75%, var(--navy-600));
  --grad-btn:  linear-gradient(100deg, #1fa9c9, #2470e0);
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(14, 28, 70, .06);
  --shadow-md: 0 10px 34px rgba(14, 28, 70, .10);
  --shadow-lg: 0 24px 60px rgba(10, 20, 51, .16);
  --font-head: "Sora", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; }

.wrap { width: min(1180px, 92%); margin: 0 auto; }

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy-800); line-height: 1.18; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.55rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.45rem); font-weight: 700; }
h3 { font-size: 1.28rem; font-weight: 600; }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: var(--slate-600); }

.kicker {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-head); font-size: .8rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--blue-600);
  margin-bottom: 1rem;
}
.kicker::before {
  content: ""; width: 26px; height: 3px; border-radius: 2px;
  background: var(--grad-wave);
}
.kicker.center { justify-content: center; }

.section { padding: clamp(3.6rem, 7vw, 6rem) 0; }
.section.tint { background: var(--mist); }
.section-head { max-width: 780px; margin-bottom: clamp(2.2rem, 4vw, 3.4rem); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 1rem; }

/* ---------------- Top bar + navigation ---------------- */
.topbar {
  background: var(--navy-900); color: #cdd8f2; font-size: .82rem;
  padding: .45rem 0;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.topbar a { color: #cdd8f2; }
.topbar a:hover { color: #fff; }
.topbar .tb-group { display: flex; gap: 1.4rem; flex-wrap: wrap; }

.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: .7rem; }
.brand img { height: 44px; width: auto; }
.brand .brand-text { font-family: var(--font-head); font-weight: 700; font-size: 1.5rem; color: var(--navy-800); letter-spacing: -.01em; }
.brand .brand-text small { display: block; font-size: .6rem; font-weight: 600; letter-spacing: .34em; color: var(--blue-600); text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 1.9rem; list-style: none; }
.nav-links a { font-weight: 500; font-size: .96rem; color: var(--ink); position: relative; padding: .4rem 0; }
.nav-links a:hover { color: var(--blue-600); }
.nav-links a.active { color: var(--blue-600); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 3px;
  border-radius: 2px; background: var(--grad-wave);
}
.nav-cta { margin-left: .4rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-head); font-weight: 600; font-size: .95rem;
  padding: .78rem 1.55rem; border-radius: 999px; cursor: pointer;
  border: 0; transition: transform .16s ease, box-shadow .16s ease;
  white-space: nowrap;
}
.nav-cta .btn { padding: .62rem 1.25rem; font-size: .88rem; }
.btn-primary { background: var(--grad-btn); color: #fff !important; box-shadow: 0 8px 22px rgba(36, 112, 224, .32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(36, 112, 224, .42); }
.btn-ghost { background: transparent; color: var(--navy-800) !important; border: 1.5px solid rgba(20, 39, 94, .28); }
.btn-ghost:hover { border-color: var(--blue-600); color: var(--blue-600) !important; }
.btn-light { background: #fff; color: var(--navy-800) !important; box-shadow: 0 8px 22px rgba(0,0,0,.18); }
.btn-light:hover { transform: translateY(-2px); }
.btn-outline-light { background: transparent; color: #fff !important; border: 1.5px solid rgba(255,255,255,.55); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--navy-800); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(23, 184, 196, .28), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(36, 112, 224, .30), transparent 55%),
    linear-gradient(140deg, var(--navy-900), var(--navy-800) 55%, var(--navy-700));
}
.hero .wrap { position: relative; z-index: 2; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center;
  padding: clamp(3.5rem, 7vw, 6.5rem) 0 clamp(4.5rem, 8vw, 7.5rem);
}
.hero h1 { color: #fff; }
.hero h1 .grad {
  background: linear-gradient(95deg, var(--teal-300), var(--sky-400) 45%, #7cb7ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { color: #c3d0ec; margin: 1.4rem 0 2.2rem; max-width: 560px; }
.hero .kicker { color: var(--teal-300); }
.hero .btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 2.6rem; margin-top: 3rem; flex-wrap: wrap; }
.hero-stats .stat b { display: block; font-family: var(--font-head); font-size: 1.55rem; color: #fff; }
.hero-stats .stat span { font-size: .85rem; color: #94a5cf; }

.hero-card {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px; padding: 1.6rem; backdrop-filter: blur(6px);
  box-shadow: var(--shadow-lg);
}
.hero-card .hc-title { display: flex; align-items: center; gap: .6rem; font-family: var(--font-head); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: #9fb4e2; margin-bottom: 1.1rem; }
.hero-card .hc-title::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--teal-300); box-shadow: 0 0 12px var(--teal-300); }
.cascade { list-style: none; display: grid; gap: .55rem; }
.cascade li {
  display: flex; gap: .8rem; align-items: flex-start;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 12px; padding: .75rem .95rem; font-size: .92rem; color: #dde6f8;
}
.cascade li .ic {
  flex: 0 0 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(120deg, rgba(23,184,196,.25), rgba(36,112,224,.3));
  color: var(--teal-300); font-size: .95rem;
}
.cascade li .ic svg { width: 15px; height: 15px; }
.ci .icon-badge svg { width: 20px; height: 20px; }
.cascade li b { color: #fff; font-weight: 600; }
.cascade .arrow { text-align: center; color: #5f76ad; font-size: .8rem; background: none; border: 0; padding: 0; display: block; }

/* wave divider */
.wave-divider { display: block; width: 100%; height: 70px; margin-bottom: -1px; }
.wave-divider.flip { transform: scaleY(-1); margin-bottom: 0; margin-top: -1px; }

/* ---------------- Cards & grids ---------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card h3 { margin: 1rem 0 .55rem; }
.card p { color: var(--slate-600); font-size: .97rem; }

.icon-badge {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(130deg, #e5f7f9, #e3edfc);
  color: var(--blue-600); font-size: 1.35rem;
}
.icon-badge svg { width: 26px; height: 26px; }

.num-badge {
  font-family: var(--font-head); font-weight: 700; font-size: .85rem;
  color: var(--teal-400); letter-spacing: .1em;
}

/* feature rows on product page */
.feat-block { display: grid; grid-template-columns: 320px 1fr; gap: 2.5rem; padding: 2.6rem 0; border-top: 1px solid var(--line); }
.feat-block:first-of-type { border-top: 0; }
.feat-block .fb-head .num { font-family: var(--font-head); font-size: 2.6rem; font-weight: 700; background: var(--grad-wave); -webkit-background-clip: text; background-clip: text; color: transparent; }
.feat-block .fb-head h3 { font-size: 1.45rem; margin: .3rem 0 .6rem; }
.feat-block .fb-head p { color: var(--slate-600); font-size: .98rem; }
.feat-list { list-style: none; display: grid; gap: .9rem; }
.feat-list li {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 1rem 1.2rem; display: flex; gap: .9rem; align-items: flex-start; box-shadow: var(--shadow-sm);
}
.feat-list li .tick {
  flex: 0 0 22px; height: 22px; margin-top: .15rem; border-radius: 50%;
  background: linear-gradient(130deg, var(--teal-400), var(--blue-500));
  display: grid; place-items: center; color: #fff; font-size: .7rem; font-weight: 700;
}
.feat-list li b { color: var(--navy-800); }
.feat-list li span { color: var(--slate-600); font-size: .95rem; }

/* highlight band */
.band {
  position: relative; color: #fff; overflow: hidden; border-radius: 22px;
  background:
    radial-gradient(700px 300px at 90% 0%, rgba(23,184,196,.35), transparent 60%),
    linear-gradient(130deg, var(--navy-800), var(--navy-600));
  padding: clamp(2.2rem, 4.5vw, 3.6rem);
  box-shadow: var(--shadow-lg);
}
.band h2, .band h3 { color: #fff; }
.band p { color: #c3d0ec; }
.band .btn-row { margin-top: 1.6rem; display: flex; gap: 1rem; flex-wrap: wrap; }

blockquote.pull {
  border-left: 4px solid; border-image: var(--grad-wave) 1;
  background: var(--mist); padding: 1.4rem 1.8rem; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.08rem; color: var(--navy-700); font-style: italic; margin: 2rem 0;
}

/* ---------------- Comparison tables ---------------- */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; box-shadow: var(--shadow-md); border-radius: var(--radius); overflow: hidden; }
.compare-table th, .compare-table td { padding: 1.02rem 1.3rem; text-align: left; font-size: .96rem; vertical-align: top; }
.compare-table thead th { font-family: var(--font-head); font-size: .98rem; }
.compare-table thead th:first-child { background: var(--mist-2); color: var(--slate-600); width: 26%; }
.compare-table thead th.old { background: #f0f2f7; color: var(--slate-600); }
.compare-table thead th.new { background: linear-gradient(120deg, var(--navy-700), var(--blue-600)); color: #fff; }
.compare-table tbody td { border-top: 1px solid var(--line); background: #fff; color: var(--slate-600); }
.compare-table tbody td:first-child { font-weight: 600; color: var(--navy-800); background: var(--mist); }
.compare-table tbody td.new { color: var(--navy-800); background: #f3f8ff; font-weight: 500; }
.compare-table .x { color: #c2504e; font-weight: 700; margin-right: .45rem; }
.compare-table .v { color: #159a8c; font-weight: 700; margin-right: .45rem; }

/* two-col before/after cards (mobile-friendly alternative) */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.ba-col { border-radius: var(--radius); padding: 1.8rem; }
.ba-col.old { background: #f0f2f7; border: 1px solid #e2e6ef; }
.ba-col.new { background: linear-gradient(150deg, var(--navy-800), var(--navy-600)); color: #fff; box-shadow: var(--shadow-lg); }
.ba-col h3 { margin-bottom: 1.1rem; }
.ba-col.new h3 { color: #fff; }
.ba-col ul { list-style: none; display: grid; gap: .75rem; }
.ba-col li { display: flex; gap: .7rem; font-size: .95rem; align-items: flex-start; }
.ba-col.old li { color: var(--slate-600); }
.ba-col.new li { color: #d6e0f5; }
.ba-col .mark { flex: 0 0 20px; font-weight: 700; }
.ba-col.old .mark { color: #c2504e; }
.ba-col.new .mark { color: var(--teal-300); }

/* ---------------- Industries ---------------- */
.ind-card { position: relative; overflow: hidden; }
.ind-card .icon-badge { margin-bottom: .2rem; }
.ind-card ul { margin-top: .8rem; padding-left: 1.1rem; color: var(--slate-600); font-size: .93rem; display: grid; gap: .35rem; }

/* ---------------- Contact ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 2.4rem; align-items: start; }
.contact-info { display: grid; gap: 1.1rem; }
.contact-info .ci {
  display: flex; gap: 1rem; align-items: flex-start; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem 1.3rem; box-shadow: var(--shadow-sm);
}
.contact-info .ci b { display: block; font-family: var(--font-head); color: var(--navy-800); font-size: .95rem; }
.contact-info .ci span, .contact-info .ci a { color: var(--slate-600); font-size: .95rem; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow-md); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid .full { grid-column: 1 / -1; }
label { font-size: .85rem; font-weight: 600; color: var(--navy-800); display: block; margin-bottom: .35rem; }
input, select, textarea {
  width: 100%; font-family: var(--font-body); font-size: .95rem; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 10px; padding: .72rem .9rem; background: var(--mist);
  outline: none; transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue-500); background: #fff; }
textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: .8rem; color: var(--slate-500); margin-top: .8rem; }

.map-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--line); }
.map-frame iframe { display: block; width: 100%; height: 430px; border: 0; }

/* ---------------- CTA + footer ---------------- */
.cta-final { text-align: center; color: #fff; position: relative; overflow: hidden;
  background:
    radial-gradient(900px 400px at 50% -20%, rgba(23,184,196,.3), transparent 60%),
    linear-gradient(150deg, var(--navy-900), var(--navy-700));
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}
.cta-final h2 { color: #fff; }
.cta-final p { color: #c3d0ec; max-width: 640px; margin: 1.1rem auto 2rem; }

footer { background: var(--navy-900); color: #9fb0d6; font-size: .92rem; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 2.4rem; padding: 3.4rem 0 2.6rem; }
.footer-main h4 { color: #fff; font-size: .95rem; margin-bottom: 1rem; }
.footer-main ul { list-style: none; display: grid; gap: .55rem; }
.footer-main a { color: #9fb0d6; }
.footer-main a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: .8rem; margin-bottom: 1rem; }
.footer-brand img { height: 46px; }
.footer-brand .fb-name { font-family: var(--font-head); font-weight: 700; font-size: 1.4rem; color: #fff; }
.footer-brand .fb-name small { display: block; font-size: .58rem; letter-spacing: .32em; color: var(--teal-300); text-transform: uppercase; font-weight: 600; }
.footer-tag { max-width: 300px; font-size: .9rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding: 1.2rem 0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .82rem; color: #6d7fae; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* page hero (inner pages) */
.page-hero {
  color: #fff; position: relative; overflow: hidden;
  background:
    radial-gradient(800px 380px at 90% -20%, rgba(23,184,196,.25), transparent 60%),
    linear-gradient(140deg, var(--navy-900), var(--navy-700));
  padding: clamp(3.2rem, 6vw, 5rem) 0;
}
.page-hero h1 { color: #fff; font-size: clamp(2rem, 3.6vw, 2.9rem); }
.page-hero .lead { color: #c3d0ec; max-width: 720px; margin-top: 1rem; }
.page-hero .kicker { color: var(--teal-300); }
.crumbs { font-size: .82rem; color: #8ea1cf; margin-bottom: 1.4rem; }
.crumbs a { color: #8ea1cf; }
.crumbs a:hover { color: #fff; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 560px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .feat-block { grid-template-columns: 1fr; gap: 1.4rem; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .grid-3, .grid-2, .ba-grid, .form-grid { grid-template-columns: 1fr; }
  .nav-links {
    position: fixed; inset: 74px 0 auto 0; background: #fff; flex-direction: column;
    gap: 0; padding: .6rem 0 1.2rem; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: .8rem 0; }
  .nav-cta { margin: .6rem auto 0; }
  .nav-toggle { display: block; }
  .topbar .tb-group.hide-m { display: none; }
  .compare-wrap { overflow-x: auto; }
  .compare-table { min-width: 640px; }
}