/* Shared foundation: reset, layout, nav, buttons, cards, forms, footer. RTL-first. */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  position: relative;
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: var(--body-leading);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* fixed ambient gradient field — gives every glass surface something to refract */
body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(46% 42% at 86% 6%, var(--blob-teal), transparent 62%),
    radial-gradient(42% 40% at 6% 90%, var(--blob-amber), transparent 62%),
    radial-gradient(40% 38% at 78% 96%, var(--blob-blue), transparent 62%);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--primary-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: none; box-shadow: var(--sh-focus); border-radius: var(--r-sm); }

h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.18; letter-spacing: var(--display-tracking); font-weight: 700; }
.latin, .num { font-family: var(--font-latin); direction: ltr; unicode-bidi: isolate; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-edge);
}
.nav-inner { display: flex; align-items: center; gap: 18px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-orb { width: 26px; height: 26px; border-radius: 50%; background: var(--g-orb-idle); box-shadow: var(--sh-orb); flex: 0 0 auto; }
.brand-mark { width: 30px; height: 30px; flex: 0 0 auto; border-radius: 9px; box-shadow: 0 4px 12px rgba(10,102,224,.26); transition: transform var(--m-base) var(--ease-spring); }
.brand:hover .brand-mark { transform: translateY(-1px) scale(1.06); }
.brand-mark g rect { transform-origin: center; }
.brand:hover .brand-mark g rect { animation: brand-eq 0.8s var(--ease-in-out); }
.brand:hover .brand-mark g rect:nth-child(2) { animation-delay: .07s; }
.brand:hover .brand-mark g rect:nth-child(3) { animation-delay: .14s; }
.brand:hover .brand-mark g rect:nth-child(4) { animation-delay: .21s; }
@keyframes brand-eq { 0%,100% { transform: scaleY(1); } 45% { transform: scaleY(.5); } }
/* AUTO CALL wordmark — Latin, weight hierarchy (CALL = the action word, heavier), solid ink, no gradient */
.brand .wm { font-family: var(--font-latin); font-size: 1.12rem; letter-spacing: 0.02em; line-height: 1; color: var(--text); white-space: nowrap; }
.brand .wm-a { font-weight: 700; }
.brand .wm-c { font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 6px; margin-inline-start: auto; }
.nav-links a { padding: 8px 14px; border-radius: var(--r-pill); color: var(--text-muted); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }

/* ---- buttons ---- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-heading); font-weight: 700; font-size: 1rem; letter-spacing: 0.005em;
  padding: 12px 26px; border-radius: var(--r-pill); border: 1px solid transparent;
  cursor: pointer; transition: transform var(--m-fast) var(--ease-out), box-shadow var(--m-base) var(--ease-out), background var(--m-fast), border-color var(--m-fast);
  white-space: nowrap; user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--sh-focus); }
.btn-primary { background: var(--g-cta); color: var(--primary-ink); box-shadow: inset 0 1px 0 rgba(255,255,255,.28), 0 6px 16px rgba(10,102,224,.30), 0 2px 5px rgba(10,102,224,.22); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255,255,255,.34), 0 12px 30px rgba(10,102,224,.40), 0 4px 12px rgba(10,102,224,.26); text-decoration: none; }
.btn-primary:active { transform: translateY(0); box-shadow: inset 0 1px 2px rgba(8,40,92,.32), 0 3px 8px rgba(10,102,224,.26); }
.btn-ghost { background: var(--glass-strong); -webkit-backdrop-filter: var(--glass-blur-lite); backdrop-filter: var(--glass-blur-lite); color: var(--text); border-color: var(--border-strong); box-shadow: var(--glass-edge), var(--sh-sm); }
.btn-ghost:hover { transform: translateY(-1px); background: var(--surface); box-shadow: var(--glass-edge), var(--sh-md); text-decoration: none; }
.btn-soft { background: var(--primary-soft); color: var(--primary-strong); }
.btn-soft:hover { background: color-mix(in srgb, var(--primary-soft) 78%, var(--primary) 10%); text-decoration: none; }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-lg { padding: 16px 34px; font-size: 1.08rem; }
.btn-sm { padding: 10px 20px; font-size: 0.92rem; font-weight: 700; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-icon { padding: 10px; border-radius: var(--r-pill); }

/* ---- cards (liquid glass) ---- */
.card {
  background: var(--glass); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); border-radius: var(--r-lg);
  box-shadow: var(--glass-sh), var(--glass-edge); padding: 24px;
}
.glass { background: var(--glass); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border); box-shadow: var(--glass-sh), var(--glass-edge); }

/* graceful fallback where backdrop-filter is unsupported */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .nav, .card, .btn-ghost, .glass { background: var(--surface); }
}

/* ---- form controls ---- */
label.field { display: block; margin-bottom: 16px; }
label.field > span { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 6px; color: var(--text); }
label.field small { display: block; font-weight: 400; color: var(--text-muted); font-size: 0.82rem; margin-top: 2px; }
input[type=text], input[type=password], textarea, select {
  width: 100%; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--r-sm);
  padding: 11px 13px; transition: border-color var(--m-fast), box-shadow var(--m-fast);
}
textarea { resize: vertical; min-height: 88px; line-height: 1.55; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: var(--sh-focus); }
::placeholder { color: var(--text-muted); opacity: 0.7; }

/* ---- misc ---- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: var(--r-pill); font-size: 0.82rem; font-weight: 600; background: var(--primary-soft); color: var(--primary-strong); }
.badge-amber { background: var(--a-amber-soft); color: var(--a-amber-ink); }
/* eyebrow = colored chip with a live dot; --eb-ink/--eb-soft set per section for a top-to-bottom multi-accent rhythm */
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: 0.04em; font-size: 0.8rem; text-transform: uppercase; padding: 5px 13px; border-radius: var(--r-pill); color: var(--eb-ink, var(--primary-strong)); background: var(--eb-soft, var(--primary-soft)); box-shadow: var(--glass-edge); }
.eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 20%, transparent); animation: eb-pulse 2.4s var(--ease-in-out) infinite; }
@keyframes eb-pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }
.muted { color: var(--text-muted); }
.section { padding-block: clamp(56px, 8vw, 104px); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.7rem, 1.2rem + 2vw, 2.5rem); margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 1.1rem; }

/* ---- footer ---- */
.footer { border-top: 1px solid var(--border); padding-block: 40px; margin-top: 40px; color: var(--text-muted); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }

.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; }

@media (max-width: 640px) {
  .nav-links a:not(.btn) { display: none; }
}