/* =========================================================
   Eleone — Liquid Glass Design System
   Token layer: aurora palette + translucent glass surfaces.
   Every panel-like class below is intentionally listed together
   so the glass treatment (blur, saturation, specular edge) stays
   in one place instead of being repeated per page stylesheet.
   ========================================================= */

:root {
  /* Aurora accent spectrum */
  --primary: #3b82f6; /* azure */
  --secondary: #14b8a6; /* teal */
  --accent: #a855f7; /* violet */
  --premium: #f5b942; /* gold, premium-tier accent */
  --danger: #f43f5e;

  --aurora: linear-gradient(
    115deg,
    var(--primary) 0%,
    var(--accent) 52%,
    var(--secondary) 100%
  );

  /* Base canvas (light) */
  --bg: #eef1fb;
  --bg-grad-1: rgba(59, 130, 246, 0.16);
  --bg-grad-2: rgba(168, 85, 247, 0.14);
  --bg-grad-3: rgba(20, 184, 166, 0.14);

  --text: #101528;
  --text-soft: #4c5470;
  --text-faint: #7b83a0;

  /* Glass surfaces */
  --glass-tint: rgba(255, 255, 255, 0.58);
  --glass-tint-2: rgba(255, 255, 255, 0.4);
  --glass-blur: 22px;
  --glass-sat: 170%;
  --line: rgba(16, 21, 40, 0.1);
  --line-strong: rgba(16, 21, 40, 0.16);

  /* Back-compat aliases: page-specific stylesheets reference these
     names directly for individual glass panels (metric, plan, etc). */
  --surface: var(--glass-tint-2);
  --surface-2: var(--glass-tint);

  --header-bg: rgba(238, 241, 251, 0.55);
  --nav-panel-bg: rgba(255, 255, 255, 0.72);
  --theme-btn-bg: rgba(255, 255, 255, 0.6);
  --theme-btn-text: #4c5470;

  --notice-bg: rgba(245, 185, 66, 0.14);
  --notice-text: #8a5a00;
  --notice-border: rgba(245, 185, 66, 0.4);

  --orb-1: #60a5fa;
  --orb-2: #f0abfc;
  --orb-3: #5eead4;

  /* Specular highlight baked into the shadow tokens so it composes
     safely with per-component box-shadow without a pseudo-element
     collision on .card variants that already use ::before. */
  --shadow-lg:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    inset 0 0 0 1px rgba(255, 255, 255, 0.35),
    0 24px 60px rgba(30, 41, 90, 0.16);
  --shadow-md:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    inset 0 0 0 1px rgba(255, 255, 255, 0.28),
    0 12px 30px rgba(30, 41, 90, 0.12);
  --shadow-sm:
    inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 6px 16px rgba(30, 41, 90, 0.1);

  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: min(1180px, calc(100% - 2rem));

  --focus-ring: 0 0 0 3px rgba(59, 130, 246, 0.45);
}

html[data-theme="dark"] {
  --bg: #05070f;
  --bg-grad-1: rgba(59, 130, 246, 0.22);
  --bg-grad-2: rgba(168, 85, 247, 0.2);
  --bg-grad-3: rgba(20, 184, 166, 0.18);

  --text: #eef1fb;
  --text-soft: #a6aecb;
  --text-faint: #737c9c;

  --glass-tint: rgba(20, 24, 42, 0.55);
  --glass-tint-2: rgba(20, 24, 42, 0.38);
  --line: rgba(230, 236, 255, 0.12);
  --line-strong: rgba(230, 236, 255, 0.2);
  --surface: var(--glass-tint-2);
  --surface-2: var(--glass-tint);

  --header-bg: rgba(5, 7, 15, 0.5);
  --nav-panel-bg: rgba(14, 17, 32, 0.82);
  --theme-btn-bg: rgba(255, 255, 255, 0.08);
  --theme-btn-text: #eef1fb;

  --notice-bg: rgba(245, 185, 66, 0.12);
  --notice-text: #ffd98f;
  --notice-border: rgba(245, 185, 66, 0.32);

  --orb-1: #2b6cb0;
  --orb-2: #7c3aed;
  --orb-3: #0d9488;

  --shadow-lg:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 0 0 1px rgba(255, 255, 255, 0.07), 0 28px 64px rgba(0, 0, 0, 0.55);
  --shadow-md:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06), 0 14px 34px rgba(0, 0, 0, 0.45);
  --shadow-sm:
    inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 8px 18px rgba(0, 0, 0, 0.4);

  --focus-ring: 0 0 0 3px rgba(96, 165, 250, 0.55);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, var(--bg-grad-1) 0%, transparent 40%),
    radial-gradient(circle at 88% 4%, var(--bg-grad-2) 0%, transparent 38%),
    radial-gradient(circle at 50% 92%, var(--bg-grad-3) 0%, transparent 42%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  overflow-x: hidden;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

code {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 1rem;
  z-index: 100;
  background: var(--nav-panel-bg);
  color: var(--text);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 8px;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 40;
  background: rgba(120, 130, 170, 0.16);
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--aurora);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.55);
  transition: width 0.08s linear;
}

.bg-orb {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(70px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
  animation: floatOrb 16s ease-in-out infinite;
}

.bg-orb.orb-1 {
  top: -140px;
  left: -120px;
  background: var(--orb-1);
}

.bg-orb.orb-2 {
  top: 200px;
  right: -140px;
  background: var(--orb-2);
  animation-delay: -5s;
}

.bg-orb.orb-3 {
  bottom: -150px;
  left: 18%;
  background: var(--orb-3);
  animation-delay: -9s;
}

html[data-theme="dark"] .bg-orb {
  opacity: 0.4;
}

@keyframes floatOrb {
  0%,
  100% {
    transform: translateY(0px) translateX(0px) scale(1);
  }
  30% {
    transform: translateY(-28px) translateX(18px) scale(1.06);
  }
  60% {
    transform: translateY(22px) translateX(-20px) scale(0.94);
  }
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0.7rem;
  z-index: 20;
  margin: 0 auto;
  width: var(--container);
}

.nav-wrap {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0.6rem 0.4rem 1.1rem;
  border-radius: 999px;
  background: var(--header-bg);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  box-shadow: var(--shadow-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "Space Grotesk", "Sora", sans-serif;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand-badge {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--aurora);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-soft);
  transition: 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--glass-tint-2);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.nav-cta {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.theme-toggle {
  border: 1px solid var(--line-strong);
  background: var(--theme-btn-bg);
  color: var(--theme-btn-text);
  border-radius: 999px;
  height: 42px;
  padding: 0 0.9rem;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
}

.mobile-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: var(--theme-btn-bg);
  border-radius: 999px;
  width: 56px;
  height: 42px;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
}

main {
  padding: 2.4rem 0 4rem;
  overflow-x: clip;
}

#main-content {
  outline: none;
}

.section {
  margin: 4rem 0;
}

.section:first-child {
  margin-top: 2rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1.3rem;
}

.eyebrow {
  font-size: 0.77rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.h-title {
  font-family: "Space Grotesk", "Sora", sans-serif;
  font-size: clamp(1.45rem, 3.5vw, 2.2rem);
  line-height: 1.08;
  margin: 0;
}

.h-desc {
  margin: 0.6rem 0 0;
  color: var(--text-soft);
  max-width: 60ch;
}

.card {
  background: linear-gradient(180deg, var(--glass-tint), var(--glass-tint-2));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.btn {
  border: none;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0.78rem 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: var(--aurora);
  background-size: 180% 180%;
  box-shadow: 0 14px 30px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  background-position: 100% 0;
}

.btn-secondary {
  color: var(--text);
  background: var(--glass-tint-2);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-soft);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid > * {
  min-width: 0;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0px);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass-tint-2);
  color: var(--text-soft);
  font-size: 0.82rem;
}

footer {
  margin-top: 3.5rem;
  padding: 0 0 2.1rem;
  color: var(--text-soft);
}

.footer-panel {
  padding: 1.4rem 1.6rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--glass-tint), var(--glass-tint-2));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.footer-links a {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  transition: 0.2s ease;
}

.footer-links a:hover {
  background: var(--glass-tint-2);
  color: var(--text);
}

.footer-legal {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.86rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 8px;
  border: 1px dashed var(--line-strong);
  background: var(--glass-tint-2);
  padding: 0.35rem 0.55rem;
  font-size: 0.8rem;
  color: var(--text-soft);
}

.back-to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 30;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--nav-panel-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  box-shadow: var(--shadow-md);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.toast-stack {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  z-index: 50;
  display: grid;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: var(--nav-panel-bg);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  box-shadow: var(--shadow-md);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (max-width: 980px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-header {
    width: min(1180px, calc(100% - 1rem));
  }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: min(560px, calc(100% - 1rem));
    background: var(--nav-panel-bg);
    border: 1px solid var(--line-strong);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    border-radius: 10px;
  }

  .mobile-toggle {
    display: grid;
    place-items: center;
  }

  .nav-cta {
    margin-left: auto;
  }
}

@media (max-width: 760px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section {
    margin: 3rem 0;
  }

  .theme-toggle {
    height: 40px;
    padding: 0 0.65rem;
    font-size: 0.78rem;
  }

  .footer-panel {
    padding: 1.1rem;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(1180px, calc(100% - 1rem));
  }

  .site-header {
    top: 0.5rem;
  }

  .nav-wrap {
    min-height: 60px;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem 0.35rem 0.9rem;
  }

  .brand {
    font-size: 0.92rem;
    gap: 0.5rem;
  }

  .brand-badge {
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }

  .nav-cta {
    gap: 0.4rem;
  }

  .nav-cta .btn {
    display: none;
  }

  .theme-toggle {
    width: 42px;
    padding: 0;
    display: grid;
    place-items: center;
  }

  .theme-toggle span {
    display: none;
  }

  .theme-toggle::before {
    content: "T";
    font-size: 1rem;
    line-height: 1;
  }

  .mobile-toggle {
    width: 52px;
  }

  .h-title {
    line-height: 1.15;
  }

  .back-to-top {
    right: 0.9rem;
    bottom: 0.9rem;
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-orb,
  .reveal,
  .btn,
  .toast,
  .back-to-top {
    animation: none !important;
    transition: none !important;
  }
}

/* =========================================================
   Glass treatment for structural panels defined across the
   page-specific stylesheets. Centralised here so blur/saturation
   stay consistent site-wide without duplicating rules per file.
   ========================================================= */
.metric,
.stat-item,
.module-card,
.control-stack,
.panel-live,
.flow-list li,
.feature-item,
.stack .tile,
.plan,
.matrix,
.contact-card,
.command-card,
.command-controls input,
.command-controls select,
.command-controls .premium-toggle,
.category-chips button,
.link-grid a,
.notice,
.legal-card {
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
}