/* ==========================================================================
   Zene Systems — site styles (layered on Bootstrap 5.3)
   Simple on purpose: plain backgrounds, generous spacing, soft cards,
   no decorative motion. The only animation is the 3D hero on the home page.
   ========================================================================== */

/* ---------- Base ---------- */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  text-wrap: balance;
}
h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.3; }
p { text-wrap: pretty; }
a { color: var(--accent-text); text-underline-offset: 3px; }
a:hover { color: var(--accent-text); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
img, svg, canvas { max-width: 100%; }
.container { max-width: 1200px; padding-inline: clamp(1rem, 0.5rem + 2vw, 2rem); }

.skip-link {
  position: absolute; left: 1rem; top: -60px; z-index: 2000;
  background: var(--accent); color: var(--text-on-accent);
  padding: .6rem 1rem; border-radius: 10px; font-weight: 700;
}
.skip-link:focus { top: 1rem; }

.lead { font-size: var(--fs-lead); color: var(--text-soft); max-width: 60ch; }
.text-soft { color: var(--text-soft) !important; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text);
  margin-bottom: .75rem;
}

/* ---------- Buttons ---------- */
.btn {
  border-radius: 999px; padding: .8rem 1.5rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: .5rem;
}
.btn-lg { padding: .95rem 1.8rem; font-size: 1.05rem; }
.btn-sm { padding: .5rem 1rem; font-size: .92rem; }
.btn-accent { background: var(--accent); color: var(--text-on-accent); border: 0; }
.btn-accent:hover, .btn-accent:focus-visible { background: var(--accent-hover); color: var(--text-on-accent); }
.btn-outline {
  background: transparent; color: var(--text); border: 1.5px solid var(--border);
}
.btn-outline:hover, .btn-outline:focus-visible { border-color: var(--text); color: var(--text); }
.on-navy .btn-outline { color: #fff; border-color: rgba(255,255,255,.35); }
.on-navy .btn-outline:hover { border-color: #fff; color: #fff; }

/* ---------- Navbar ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 1030;
  background: var(--nav-bg); border-bottom: 1px solid var(--border);
}
.site-nav .navbar { padding-block: .9rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { width: 50px; height: auto; }
.brand-mark .letters { fill: currentColor; }
.brand-word { font-weight: 700; letter-spacing: .18em; font-size: .85rem; }
@media (max-width: 419.98px) { .site-nav .brand-word { display: none; } }
.site-nav .nav-link { color: var(--text-soft); font-weight: 500; padding: .5rem .9rem !important; }
.site-nav .nav-link:hover, .site-nav .nav-link.active { color: var(--text); }
.site-nav .nav-link.active { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 8px; }
.navbar-toggler { border: 1.5px solid var(--border); border-radius: 12px; color: var(--text); padding: .4rem .65rem; }
.navbar-toggler:focus { box-shadow: none; }
.theme-toggle {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1.5px solid var(--border); background: transparent; color: var(--text);
  display: inline-grid; place-items: center; font-size: 1.1rem;
}
.theme-toggle:hover { border-color: var(--text); }
.theme-toggle .bi-sun { display: none; }
[data-theme="dark"] .theme-toggle .bi-sun { display: inline; }
[data-theme="dark"] .theme-toggle .bi-moon { display: none; }
@media (max-width: 991.98px) {
  .site-nav .navbar-nav { padding-top: .75rem; }
  .nav-actions { padding: .75rem 0 .5rem; }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--section-y); }
.section-alt { background: var(--surface); }
.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }
.section-head h2 { margin-bottom: 1rem; }

/* ---------- Home hero (navy in both themes) ---------- */
.hero {
  position: relative; isolation: isolate;
  background: var(--navy); color: #fff;
  padding-block: clamp(4rem, 3rem + 5vw, 7.5rem);
  overflow: hidden;
}
/* Full-bleed 3D canvas (ShaderGradient backdrop + globe); text sits above it */
.hero-canvas { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-canvas canvas { display: block; }
.hero-canvas::after {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease;
  background: linear-gradient(90deg, rgba(10,26,48,.88) 0%, rgba(10,26,48,.55) 40%, rgba(10,26,48,0) 68%);
}
.hero.webgl-on .hero-canvas::after { opacity: 1; }
.hero > .container { position: relative; z-index: 1; }
.hero.webgl-on .hero-visual svg { opacity: 0; transition: opacity .8s ease; }
.hero h1 { color: #fff; margin-bottom: 1.25rem; }
.hero h1 .accent { color: #F2A33A; }
.hero .lead { color: #C9D4E3; margin-bottom: 2rem; }
.hero .eyebrow { color: #F2A33A; }
.hero-visual { position: relative; aspect-ratio: 1 / 1; max-width: 520px; margin-inline: auto; }
.hero-visual canvas, .hero-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-facts { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.5rem; }
.hero-facts > div {
  padding: .75rem 1.1rem; border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06);
}
.hero-facts strong { display: block; font-size: 1.3rem; color: #fff; }
.hero-facts span { color: #C9D4E3; font-size: .92rem; }

/* ---------- Cards ---------- */
.card-z {
  height: 100%; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
}
.section-alt .card-z { background: var(--bg); }
.card-z h3 { margin-bottom: .6rem; }
.card-z p { color: var(--text-soft); }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-text); font-size: 1.45rem; margin-bottom: 1.25rem;
}
.tick-list { list-style: none; padding: 0; margin: 0 0 1.25rem; display: grid; gap: .6rem; }
.tick-list li { display: grid; grid-template-columns: 1.4rem 1fr; gap: .5rem; color: var(--text-soft); line-height: 1.5; }
.tick-list li::before { content: "\F26E"; font-family: "bootstrap-icons"; color: var(--accent-text); font-size: 1.1rem; line-height: 1.35; }
.price-line { font-size: 1.05rem; color: var(--text-soft); }
.price-line strong { color: var(--text); font-size: 1.35rem; }

/* Numbered steps (problem → system → result) */
.step-num {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--navy); color: #fff; font-weight: 700; margin-bottom: 1.25rem;
}
[data-theme="dark"] .step-num { background: var(--accent); color: var(--text-on-accent); }
.step-label { font-size: .85rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); display: block; margin-bottom: .4rem; }

/* ---------- Page header (inner pages) ---------- */
.page-head { padding-block: clamp(3.5rem, 2.5rem + 4vw, 6rem) clamp(2rem, 1.5rem + 2vw, 3rem); }
.page-head h1 { font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem); margin-bottom: 1rem; max-width: 20ch; }

/* ---------- Pricing ---------- */
.plan-tabs {
  display: inline-flex; padding: 5px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); gap: 4px;
}
.plan-tabs button {
  border: 0; background: transparent; color: var(--text-soft);
  padding: .6rem 1.4rem; border-radius: 999px; font-weight: 600;
}
.plan-tabs button[aria-selected="true"] { background: var(--accent); color: var(--text-on-accent); }
.plans-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
@media (max-width: 991.98px) { .plans-grid { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; } }
/* Flip cards: price on the front, "What's included" on the back.
   Both faces share one grid cell, so the card is as tall as its longer side. */
.plan-flip { perspective: 1400px; cursor: pointer; }
.plan-inner {
  display: grid; height: 100%;
  transform-style: preserve-3d;
  transition: transform .7s cubic-bezier(.22, 1, .36, 1);
}
.plan-flip.is-flipped .plan-inner { transform: rotateY(180deg); }
.plan-face {
  grid-area: 1 / 1;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  display: flex; flex-direction: column;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem;
}
.plan-back { transform: rotateY(180deg); background: var(--surface); }
.plan-flip.is-recommended .plan-face { border: 2px solid var(--accent); }
.plan-tier { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-text); }
.plan-face h3 { font-size: 1.75rem; margin: .4rem 0 .5rem; }
.plan-face h4 { font-size: 1.05rem; margin-bottom: .9rem; }
.plan-best { color: var(--text-soft); margin-bottom: 1.25rem; }
.plan-price { font-size: 2.1rem; font-weight: 700; letter-spacing: -.02em; line-height: 1; }
.plan-price small { font-size: .95rem; font-weight: 500; color: var(--text-soft); letter-spacing: 0; }
.plan-monthly { margin-top: .5rem; color: var(--text-soft); }
.plan-monthly strong { color: var(--text); }
.plan-flip-btn { margin-top: auto; justify-content: center; }
.plan-front .plan-monthly { margin-bottom: 1.75rem; }
.plan-actions { margin-top: auto; display: grid; gap: .5rem; }
.plan-actions .btn { justify-content: center; }
@media (prefers-reduced-motion: reduce) {
  .plan-inner { transition: none; }
  .plan-flip.is-flipped .plan-inner { transform: none; }
  .plan-back { transform: none; visibility: hidden; }
  .plan-flip.is-flipped .plan-back { visibility: visible; }
  .plan-flip.is-flipped .plan-front { visibility: hidden; }
}
.plan-badge {
  display: inline-block; margin-left: .5rem; padding: .15rem .6rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-text); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; vertical-align: middle;
}
.custom-band {
  margin-top: 1.5rem; border-radius: var(--radius); padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  background: var(--surface); border: 1px solid var(--border);
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem; align-items: center;
}
@media (max-width: 991.98px) { .custom-band { grid-template-columns: 1fr; } }

/* ---------- Tables & accordion ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); }
.table-z { width: 100%; min-width: 560px; border-collapse: collapse; }
.table-z th, .table-z td { padding: .9rem 1rem; border-bottom: 1px solid var(--border); text-align: left; }
.table-z thead th { font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-soft); background: var(--surface); }
.table-z tbody th { font-weight: 600; }
.table-z td { color: var(--text-soft); }
.table-z tr:last-child th, .table-z tr:last-child td { border-bottom: 0; }
.table-z .bi-check2 { color: var(--accent-text); font-size: 1.2rem; }

.accordion-z .accordion-item { background: transparent; border: 0; border-bottom: 1px solid var(--border); border-radius: 0 !important; }
.accordion-z .accordion-button { background: transparent; color: var(--text); font-weight: 600; padding: 1.2rem 0; box-shadow: none; }
.accordion-z .accordion-button:not(.collapsed) { color: var(--accent-text); }
[data-theme="dark"] .accordion-z .accordion-button::after { filter: invert(1); }
.accordion-z .accordion-body { padding: 0 0 1.25rem; color: var(--text-soft); }

/* ---------- CTA band (with the liquid ZS logo) ---------- */
.cta-band {
  background: var(--navy); color: #fff; border-radius: var(--radius);
  padding: clamp(2rem, 1.5rem + 3vw, 4rem);
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; align-items: center;
}
.cta-band h2 { color: #fff; margin-bottom: 1rem; }
.cta-band p { color: #C9D4E3; max-width: 52ch; margin: 0 0 2rem; }
.liquid-logo-wrap { position: relative; aspect-ratio: 1.6 / 1; width: 100%; max-width: 420px; justify-self: end; }
.liquid-logo-wrap canvas, .liquid-logo-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; }
.liquid-logo-wrap img { object-fit: contain; }
.liquid-logo-wrap.is-live img { opacity: 0; }
@media (max-width: 767.98px) {
  .cta-band { grid-template-columns: 1fr; }
  .liquid-logo-wrap { justify-self: start; max-width: 240px; }
}

/* ---------- Liquid glass (vanilla port of liquid-glass-react) ---------- */
.lg { position: relative; isolation: isolate; }
.lg > .lg-backdrop {
  position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
}
.lg > .lg-rim {
  position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22), inset 0 0 0 1px rgba(255,255,255,.06);
}
.lg > .lg-rim::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity .4s;
  background: radial-gradient(120px 80px at var(--mx, 30%) var(--my, 0%), rgba(255,255,255,.16), transparent 70%);
}
.lg:hover > .lg-rim::after { opacity: 1; }

/* ---------- Forms ---------- */
.form-z .form-label { font-weight: 600; margin-bottom: .35rem; }
.form-z .form-control, .form-z .form-select {
  background-color: var(--bg); color: var(--text); border: 1.5px solid var(--border);
  border-radius: 12px; padding: .8rem 1rem;
}
.form-z .form-control::placeholder { color: var(--text-soft); opacity: .8; }
.form-z .form-control:focus, .form-z .form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(229,124,31,.2); background-color: var(--bg); color: var(--text); }
.form-z .form-check-input { border: 1.5px solid var(--text-soft); background-color: var(--bg); }
.form-z .form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.form-z.was-validated .form-control:invalid, .form-z.was-validated .form-select:invalid, .form-z.was-validated .form-check-input:invalid { border-color: var(--danger); }
.form-z.was-validated .form-control:valid, .form-z.was-validated .form-select:valid { border-color: var(--border); background-image: none; padding-right: 1rem; }
.form-z.was-validated .form-select:valid, .form-z.was-validated .form-select:invalid { --bs-form-select-bg-icon: none; padding-right: 2.5rem; }
.form-z.was-validated .form-check-input:valid ~ .form-check-label { color: inherit; }
.form-z .invalid-feedback { color: var(--danger); }
.form-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); }
.form-success { text-align: center; padding: 2rem 1rem; }
.form-success .check { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 1rem; display: grid; place-items: center; background: var(--accent); color: var(--text-on-accent); font-size: 1.8rem; }
.form-note { font-size: .9rem; color: var(--text-soft); }

/* ---------- Legal pages ---------- */
.legal { max-width: 760px; }
.legal h2 { font-size: 1.45rem; margin: 2.5rem 0 .75rem; }
.legal h3 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.legal p, .legal li { color: var(--text-soft); }
.legal ul { padding-left: 1.25rem; }
.legal .updated { font-size: .92rem; color: var(--text-soft); }
.legal .note { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem 1.25rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 3.5rem 0 2rem; }
.site-footer h2 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-soft); margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.site-footer a { color: var(--text-soft); text-decoration: none; }
.site-footer a:hover { color: var(--text); text-decoration: underline; }
.footer-blurb { color: var(--text-soft); max-width: 36ch; margin: 1rem 0; }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; justify-content: space-between; color: var(--text-soft); font-size: .9rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}