/* ============================================================
   HiVi Labs — Base + shared component system
   Built on tokens.css. Sections compose these classes.
   ============================================================ */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-mid);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient grain overlay — kills banding, adds premium feel.
   Softer on light surfaces so it reads as fine texture, not dirt. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.022;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Page-wide luminous aurora field — fixed, behind all content.
   Gives the whole light site soft depth without per-section work. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--grad-aurora);
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-hi);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-snug);
  margin: 0;
}

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

/* --- Focus states: visible on every interactive element --- */
:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- Layout primitives --- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.container--wide { max-width: var(--maxw-wide); }
.section { position: relative; padding-block: var(--section-pad); z-index: 2; }
.section--tight { padding-block: clamp(48px, 7vw, 90px); }

.stack > * + * { margin-top: 1rem; }
.grid { display: grid; gap: clamp(1rem, 2.5vw, 2rem); }

/* --- Eyebrow / section labels (mono utility face) --- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--accent-hi);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin: 0 0 1.25rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
/* keep the inline eyebrow glyph a small icon (svg has no intrinsic size) */
.eyebrow .icon { width: 1.05em; height: 1.05em; flex: none; }

/* --- Headings helpers (big 2026 scale) --- */
.h-display { font-size: var(--fs-display); letter-spacing: var(--tracking-display); line-height: var(--lh-tight); }
.h-section { font-size: var(--fs-h2); letter-spacing: -0.035em; line-height: 1.06; }
.h-sub { font-size: var(--fs-h3); }
/* Oversized KPI / stat figure — blue→teal gradient, tabular for count-up */
.h-stat {
  font-family: var(--font-display);
  font-size: var(--fs-stat);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.h-stat--teal { background: linear-gradient(120deg, var(--accent-2), var(--accent-2-bright)); -webkit-background-clip: text; background-clip: text; }
.h-stat--warn { background: none; color: var(--warn); }
.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.text-accent { color: var(--accent-hi); }
.text-teal { color: var(--accent-2); }
.text-warn { color: var(--warn); }
.text-lo { color: var(--text-lo); }
.lead { font-size: var(--fs-lead); color: var(--text-lo); line-height: 1.55; max-width: 52ch; }
.measure { max-width: 60ch; }
.measure-sm { max-width: 46ch; }

/* --- Buttons --- */
.btn {
  --btn-bg: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1;
  padding: 1.05em 1.75em;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: var(--btn-bg);
  color: var(--text-hi);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-mid) var(--ease-out),
              background var(--dur-mid) var(--ease-out),
              border-color var(--dur-mid) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .icon { width: 1.1em; height: 1.1em; }

.btn--primary {
  background: var(--grad-accent);
  color: #fff;
  box-shadow: 0 8px 30px -8px rgba(59,130,246,0.55);
}
.btn--primary:hover { box-shadow: 0 14px 44px -10px rgba(59,130,246,0.5); }

.btn--ghost {
  border-color: var(--border-strong);
  background: var(--glass-bg);
  color: var(--text-hi);
  -webkit-backdrop-filter: blur(8px) saturate(150%);
  backdrop-filter: blur(8px) saturate(150%);
}
.btn--ghost:hover { border-color: var(--accent-hi); background: rgba(59,130,246,0.08); }

.btn--teal { background: linear-gradient(135deg, var(--accent-2-bright), var(--accent-2-deep)); color: #042820; }
.btn--sm { padding: 0.65em 1.1em; font-size: var(--fs-14); }
.btn--lg { padding: 1.2em 2.1em; font-size: 1.15rem; }
.btn--block { display: flex; width: 100%; }

/* Circular "go" affordance (Notion motif) — used in feature-card headers / spot cards */
.btn-round {
  flex: none;
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: var(--r-pill);
  background: var(--text-hi);
  color: #fff;
  border: 0; cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out);
}
.btn-round .icon { width: 20px; height: 20px; transition: transform var(--dur-fast) var(--ease-out); }
.btn-round:hover { box-shadow: var(--shadow-md); }
.btn-round:hover .icon { transform: translateX(3px); }
.btn-round--accent { background: var(--accent-hi); }
.btn-round--sm { width: 40px; height: 40px; }
.btn-round--sm .icon { width: 17px; height: 17px; }
/* Globalize the trailing-arrow nudge on primary CTAs */
.btn--primary .icon, .btn--teal .icon { transition: transform var(--dur-fast) var(--ease-out); }
.btn--primary:hover .icon, .btn--teal:hover .icon { transform: translateX(3px); }

/* --- Badges / chips --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  padding: 0.4em 0.75em;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--text-mid);
}
.badge--accent { color: var(--accent-hi); border-color: rgba(37,99,235,0.30); background: rgba(59,130,246,0.10); }
.badge--teal { color: var(--accent-2); border-color: rgba(13,148,136,0.30); background: rgba(13,148,136,0.10); }
.badge--warn { color: var(--warn); border-color: rgba(220,38,38,0.28); background: rgba(220,38,38,0.08); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }

/* --- Cards (glass + dimensional surface) --- */
.card {
  position: relative;
  background: linear-gradient(180deg, var(--bg-raised) 0%, var(--bg-raised-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-mid) var(--ease-out),
              border-color var(--dur-mid) var(--ease-out),
              box-shadow var(--dur-mid) var(--ease-out);
}
.card--hover:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-glow);
}

/* --- Luminous-glass surfaces (frosted material) --- */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.card--glass {
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.card__icon {
  display: inline-grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: rgba(59,130,246,0.10);
  border: 1px solid rgba(59,130,246,0.22);
  color: var(--accent-hi);
  margin-bottom: 1.1rem;
}
.card__icon .icon { width: 24px; height: 24px; }

/* --- Glow backdrop element --- */
.glow {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  filter: blur(40px);
  opacity: 0.6;
}

/* --- Hairline dividers / decorative grid --- */
.rule { height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong), transparent); border: 0; }
.dotgrid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.4;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 75%);
          mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 75%);
}

/* --- Forms --- */
.field { display: block; margin-bottom: 1rem; }
.field__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-lo);
  margin-bottom: 0.5rem;
}
.field-input, .field select, .field textarea {
  width: 100%;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-hi);
  font: inherit;
  padding: 0.8em 1em;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.field-input::placeholder { color: var(--text-faint); }
.field-input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.18);
}
.field__error { color: var(--warn); font-size: var(--fs-14); margin-top: 0.35rem; }

/* --- Toast / form feedback --- */
.form-status { font-size: var(--fs-14); margin-top: 0.75rem; min-height: 1.2em; }
.form-status--ok { color: var(--accent-2); }
.form-status--err { color: var(--warn); }

/* --- Reveal-on-scroll (JS adds .is-visible) --- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 60ms; }
.reveal[data-delay="2"] { transition-delay: 120ms; }
.reveal[data-delay="3"] { transition-delay: 180ms; }
.reveal[data-delay="4"] { transition-delay: 240ms; }
.reveal[data-delay="5"] { transition-delay: 300ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn:hover, .card--hover:hover { transform: none; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}

/* --- Utility --- */
.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;
}
.center { text-align: center; }
.mono { font-family: var(--font-mono); }
.skip-link {
  position: absolute; left: 1rem; top: -3rem; z-index: var(--z-toast);
  background: var(--accent); color: #fff; padding: 0.6em 1em; border-radius: var(--r-sm);
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: 1rem; }

/* --- Section heading block --- */
.section-head { max-width: 760px; margin-bottom: clamp(3rem, 6vw, 5rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--xl { max-width: 920px; }            /* showpiece heads */
.section-head--xl h2, .section-head--xl .h-section { font-size: var(--fs-display); letter-spacing: var(--tracking-display); line-height: var(--lh-tight); }
.section-head p { color: var(--text-lo); font-size: var(--fs-lead); line-height: 1.55; margin-top: 1.25rem; }
.section-head--center p { margin-inline: auto; }

/* --- Illustrations (undraw spot art, recolored to brand) ---
   Shared contract so every section uses illustrations consistently.
   Always set width/height on the <img> too, to avoid layout shift. */
.illus {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}
.illus--xs   { max-width: 200px; }
.illus--sm   { max-width: 320px; }
.illus--spot { max-width: 460px; }   /* default section companion size */
.illus--hero { max-width: 560px; }   /* large hero / feature art */
.illus--lift { filter: drop-shadow(0 30px 60px rgba(16, 24, 60, 0.14)); }
.illus--float { animation: illus-float 7s var(--ease-in-out) infinite alternate; will-change: transform; }
@keyframes illus-float { from { transform: translateY(0); } to { transform: translateY(-12px); } }

/* Glass media frame — for framing illustrations as luminous panels */
.illus-frame {
  position: relative;
  border-radius: var(--r-xl);
  padding: clamp(1.25rem, 3vw, 2.5rem);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  isolation: isolate;
}

@media (prefers-reduced-motion: reduce) {
  .illus--float { animation: none; }
}

/* ============================================================
   2026 reference-layout system: rounded pastel section panels,
   floating product-UI cards, logo strips, dark bands, pill tabs.
   ============================================================ */

/* Rounded soft-tinted section panel (the ref-2 signature).
   Wrap a .container inside, or use .panel as the container. */
.panel {
  position: relative;
  isolation: isolate;
  border-radius: var(--r-panel);
  padding: var(--panel-pad);
  box-shadow: inset 0 0 0 1px rgba(13, 22, 48, 0.05), var(--shadow-md);
}
.panel--sky   { background: var(--panel-sky); }
.panel--mint  { background: var(--panel-mint); }
.panel--lav   { background: var(--panel-lav); }
.panel--blush { background: var(--panel-blush); }
.panel--flush { padding-inline: clamp(1.25rem, 4vw, 3rem); }   /* lighter side padding */
/* keep panels from touching viewport edges; center within panel max-width */
.panel-wrap { max-width: var(--maxw-panel); margin-inline: auto; padding-inline: var(--gutter); }
/* full-bleed variant — panel spans the viewport (minus gutters), like the final-CTA band */
.panel-wrap--full { max-width: 100%; }

/* Dark showpiece band (stat / CTA / testimonial) */
.band-dark {
  position: relative;
  isolation: isolate;
  border-radius: var(--r-panel);
  padding: var(--panel-pad);
  background: linear-gradient(155deg, var(--accent-deep), #0B1124);
  color: #fff;
  overflow: hidden;
}
.band-dark h1, .band-dark h2, .band-dark h3, .band-dark h4 { color: #fff; }
.band-dark p { color: rgba(255,255,255,0.78); }
.band-dark .eyebrow { color: var(--accent-2-bright); }
/* faint dotted texture for dark bands */
.band-dark::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0.5;
  background-image: radial-gradient(rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(80% 80% at 70% 30%, #000, transparent 80%);
          mask-image: radial-gradient(80% 80% at 70% 30%, #000, transparent 80%);
}

/* Floating product-UI mock card — host inside panels/media frames */
.ui-card {
  position: relative;
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: clamp(0.9rem, 1.6vw, 1.4rem);
}
.ui-card__head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.85rem; }
.ui-card__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.ui-card__title { font-family: var(--font-mono); font-size: var(--fs-12); letter-spacing: 0.04em; color: var(--text-lo); }
.ui-pill {
  display: inline-flex; align-items: center; gap: 0.35em;
  font-family: var(--font-mono); font-size: var(--fs-12); font-weight: 500;
  padding: 0.28em 0.7em; border-radius: var(--r-pill);
  background: rgba(13,148,136,0.10); color: var(--accent-2-deep);
}
.ui-pill--blue { background: rgba(59,130,246,0.10); color: var(--accent-hi); }
.ui-pill--muted { background: var(--bg-inset); color: var(--text-lo); }
/* stagger-float a cluster of ui-cards (reduced-motion safe) */
.ui-float { animation: illus-float 7s var(--ease-in-out) infinite alternate; will-change: transform; }
.ui-float--2 { animation-duration: 8.5s; animation-delay: -2s; }
.ui-float--3 { animation-duration: 9.5s; animation-delay: -4s; }

/* Trust / client logo strip */
.logo-strip { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3.5rem); }
.logo-strip img, .logo-strip svg { height: clamp(22px, 2.4vw, 30px); width: auto; opacity: 0.55; filter: grayscale(1); transition: opacity var(--dur-mid) var(--ease-out), filter var(--dur-mid) var(--ease-out); }
.logo-strip a:hover img, .logo-strip a:hover svg { opacity: 1; filter: grayscale(0); }
.logo-strip__label { font-family: var(--font-mono); font-size: var(--fs-12); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); }

/* Inverted dark card (e.g. "Build your own" marketplace CTA) */
.card--dark {
  background: linear-gradient(160deg, #16213C, #0B1124);
  border-color: rgba(255,255,255,0.10);
  color: #fff;
}
.card--dark .card__title, .card--dark h3, .card--dark h4 { color: #fff; }
.card--dark p { color: rgba(255,255,255,0.72); }

/* Icon-pill tab selector (ref-2) — JS swaps the active panel + slides highlight */
.pill-tabs {
  display: inline-flex; gap: 0.3rem; padding: 0.35rem;
  border-radius: var(--r-pill);
  background: var(--glass-bg); border: 1px solid var(--border);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.pill-tab {
  display: inline-flex; align-items: center; gap: 0.45em;
  padding: 0.6em 1.1em; border-radius: var(--r-pill);
  font-weight: 600; font-size: var(--fs-14); color: var(--text-lo);
  background: none; border: 0; cursor: pointer; white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.pill-tab .icon { width: 1.05em; height: 1.05em; }
.pill-tab[aria-selected="true"], .pill-tab.is-active { color: #fff; background: var(--grad-accent); box-shadow: 0 6px 20px -8px rgba(59,130,246,0.6); }

@media (prefers-reduced-motion: reduce) {
  .ui-float, .ui-float--2, .ui-float--3 { animation: none; }
}