/* ============================================================
 * Alvear Ventures — theme tokens v6 (Robinhood-grade contrast)
 * Bright white canvas, pure-black headings, stronger card
 * separation, alternating section tints, architectural
 * textures + abstract motion utilities.
 * ============================================================ */

:root {
  /* Surface tokens */
  --av-base:        #FFFFFF;     /* card surface (pure white) */
  --av-surface:     #F8F9FA;     /* page surface (off-white) */
  --av-surface-2:   #F1F5F2;     /* pale-mint alternating section */
  --av-surface-3:   #FAFBFA;     /* warm-white alternating section */
  --av-line:        #DCDFE2;     /* visible card borders */
  --av-line-soft:   #ECEEF0;     /* divider lines */
  --av-line-strong: #C8CDD1;     /* emphasis borders */

  /* Ink tokens — pushed darker for Robinhood-style contrast */
  --av-ink:         #050606;     /* H1/H2 — near-pure black */
  --av-ink-2:       #0F1110;     /* primary body text */
  --av-mute:        #4A4D52;     /* secondary text — darker than v5's #5E5E5E */
  --av-mute-2:      #6B6F75;

  /* Brand greens */
  --av-green:        #2CE584;
  --av-green-deep:   #003317;
  --av-green-dim:    #22c970;
  --av-green-soft:   rgba(44,229,132,0.15);
  --av-green-tint:   rgba(44,229,132,0.18);
  --av-green-mint:   #E8F8EE;     /* pale-mint section bg */
  --av-green-mint-2: #DCF3E6;
  --av-green-emph:   #1a8c50;     /* on-green text */

  /* Status accent */
  --av-amber:        #F59E0B;
  --av-amber-soft:   rgba(245,158,11,0.15);

  /* Stronger shadows (Robinhood-grade card lift) */
  --av-shadow-sm: 0 1px 2px rgba(5,6,6,0.06), 0 2px 6px rgba(5,6,6,0.04);
  --av-shadow-md: 0 1px 3px rgba(5,6,6,0.08), 0 8px 18px rgba(5,6,6,0.06);
  --av-shadow-lg: 0 2px 4px rgba(5,6,6,0.06), 0 16px 36px -10px rgba(5,6,6,0.14);
  --av-shadow-xl: 0 4px 12px rgba(5,6,6,0.08), 0 32px 64px -20px rgba(5,6,6,0.20);
  --av-shadow-glow: 0 1px 2px rgba(5,6,6,0.06), 0 12px 24px -8px rgba(44,229,132,0.32);
}

.av-app { background: var(--av-surface); color: var(--av-ink-2); }

/* Global heading contrast — apply to any heading inside .av-app or pages
   that link theme.css. Pages may override font-family but the color is shared. */
.av-app h1, .av-app h2 { color: var(--av-ink); }
.av-h1 { color: var(--av-ink); font-weight: 800; letter-spacing: -0.02em; }
.av-h2 { color: var(--av-ink); font-weight: 800; letter-spacing: -0.015em; }
/* Escape hatch for hero overlays sitting on top of dark images.
   These selectors specifically defeat the .av-app h1/h2 rule above. */
.av-on-dark, .av-on-dark *, .av-app .av-on-dark, .av-app .av-on-dark h1, .av-app .av-on-dark h2 { color: #FFFFFF; }
.av-on-dark .av-text-mute { color: rgba(255,255,255,0.85); }
.av-on-dark .av-eyebrow { color: rgba(255,255,255,0.7); }
.av-on-dark h1, .av-on-dark h2 { text-shadow: 0 2px 24px rgba(0,0,0,0.45); }
.av-text-mute  { color: var(--av-mute); }
.av-text-green { color: var(--av-green-emph); }
.av-text-ink   { color: var(--av-ink); }

/* ============================================================ */
/* Section background variants                                    */
/* ============================================================ */
.av-section-white { background: #FFFFFF; }
.av-section-warm  { background: var(--av-surface-3); }
.av-section-mint  { background: linear-gradient(180deg, var(--av-green-mint) 0%, #FFFFFF 100%); }
.av-section-mint-flat { background: var(--av-green-mint); }
.av-section-grey  { background: var(--av-surface); }
.av-section-dark  { background: #0A0B0C; color: #fff; } /* used sparingly for product hero */

/* Section divider */
.av-section-divider {
  height: 1px; background: linear-gradient(90deg, transparent 0%, var(--av-line) 30%, var(--av-line) 70%, transparent 100%);
  margin: 0;
}

/* ============================================================ */
/* Architectural texture utilities                                */
/* ============================================================ */
/* Blueprint grid — fine architectural grid */
.av-tex-blueprint {
  position: relative;
}
.av-tex-blueprint::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(5,6,6,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5,6,6,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 40%, transparent 100%);
  opacity: 0.7;
}
.av-tex-blueprint > * { position: relative; z-index: 1; }

/* Concrete grain — subtle noise */
.av-tex-concrete {
  position: relative;
}
.av-tex-concrete::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(5,6,6,0.04) 0px, transparent 1px),
    radial-gradient(circle at 70% 60%, rgba(5,6,6,0.03) 0px, transparent 1px),
    radial-gradient(circle at 40% 80%, rgba(5,6,6,0.04) 0px, transparent 1px);
  background-size: 5px 5px, 7px 7px, 9px 9px;
  opacity: 0.6;
}
.av-tex-concrete > * { position: relative; z-index: 1; }

/* Glass facade — vertical line repeating pattern (window grid) */
.av-tex-facade {
  position: relative;
}
.av-tex-facade::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(90deg, rgba(5,6,6,0.04) 0 1px, transparent 1px 100%),
    linear-gradient(0deg, rgba(5,6,6,0.04) 0 1px, transparent 1px 100%);
  background-size: 24px 80px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, transparent 100%);
  opacity: 0.55;
}
.av-tex-facade > * { position: relative; z-index: 1; }

/* Topographic — diagonal slat pattern */
.av-tex-topo {
  position: relative;
}
.av-tex-topo::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(44,229,132,0.06) 0px,
    rgba(44,229,132,0.06) 1px,
    transparent 1px,
    transparent 18px
  );
  opacity: 0.7;
}
.av-tex-topo > * { position: relative; z-index: 1; }

/* ============================================================ */
/* Motion ribbon — abstract flowing green lines (SVG-driven)      */
/* ============================================================ */
.av-ribbon-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  overflow: hidden;
}
.av-ribbon-bg svg { width: 100%; height: 100%; }
.av-ribbon-line {
  fill: none;
  stroke-linecap: round;
  animation: avRibbonFlow 14s ease-in-out infinite;
  transform-origin: center;
}
@keyframes avRibbonFlow {
  0%, 100% { transform: translateY(0) translateX(0); }
  50%      { transform: translateY(-6px) translateX(8px); }
}
@media (prefers-reduced-motion: reduce) {
  .av-ribbon-line { animation: none; }
}

/* Drifting particles */
.av-particle {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--av-green);
  box-shadow: 0 0 12px rgba(44,229,132,0.7);
  opacity: 0.6;
  animation: avDrift 18s linear infinite;
}
@keyframes avDrift {
  0%   { transform: translate(0, 0) scale(0.8); opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.6; }
  100% { transform: translate(80px, -80px) scale(1.2); opacity: 0; }
}

/* ============================================================ */
/* Hero background — pale gradient + grid                         */
/* ============================================================ */
.av-hero-bg {
  position: relative;
  background:
    radial-gradient(900px 480px at 85% -120px, rgba(44,229,132,0.10), transparent 60%),
    radial-gradient(700px 480px at -10% 20%, rgba(5,6,6,0.04), transparent 65%),
    linear-gradient(180deg, #FFFFFF 0%, #F8F9FA 100%);
}
.av-hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(5,6,6,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5,6,6,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 60%, transparent 100%);
  pointer-events: none; opacity: 0.7;
}

/* ============================================================ */
/* Buttons — more tactile contrast                                */
/* ============================================================ */
.av-btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--av-green); color: #000;
  padding: 14px 22px; border-radius: 14px;
  font-weight: 700; font-size: 15px;
  border: 1px solid var(--av-green);
  transition: background-color .18s ease, transform .12s ease, box-shadow .25s ease, border-color .18s;
  box-shadow: var(--av-shadow-glow);
}
.av-btn-primary:hover {
  background: var(--av-green-dim); border-color: var(--av-green-dim);
  box-shadow: 0 1px 2px rgba(5,6,6,0.08), 0 18px 32px -8px rgba(44,229,132,0.45);
}
.av-btn-primary:active { transform: translateY(1px); }

.av-btn-dark {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--av-ink); color: #fff;
  padding: 14px 22px; border-radius: 14px;
  font-weight: 700; font-size: 15px; border: 1px solid var(--av-ink);
  transition: background-color .18s, transform .12s, box-shadow .25s;
  box-shadow: var(--av-shadow-md);
}
.av-btn-dark:hover { background: #1A1C1C; box-shadow: var(--av-shadow-lg); }
.av-btn-dark:active { transform: translateY(1px); }

.av-btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: #fff; color: var(--av-ink);
  padding: 14px 22px; border-radius: 14px;
  font-weight: 700; font-size: 15px; border: 1px solid var(--av-line);
  transition: border-color .18s, background-color .18s, transform .12s, box-shadow .18s;
  box-shadow: var(--av-shadow-sm);
}
.av-btn-ghost:hover { border-color: var(--av-ink); box-shadow: var(--av-shadow-md); }
.av-btn-ghost:active { transform: translateY(1px); }

/* ============================================================ */
/* Card system — stronger separation + glow hover                 */
/* ============================================================ */
.av-card {
  background: #fff; border: 1px solid var(--av-line);
  border-radius: 18px;
  box-shadow: var(--av-shadow-sm);
  transition: transform .22s ease, box-shadow .25s ease, border-color .18s ease;
}
.av-card.is-hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--av-shadow-lg);
  border-color: var(--av-line-strong);
}
/* Glow-hover variant (per mock #6 — green emphasis on hover) */
.av-card.is-hover-glow:hover {
  transform: translateY(-3px);
  box-shadow: 0 2px 4px rgba(5,6,6,0.06), 0 18px 36px -10px rgba(44,229,132,0.30);
  border-color: rgba(44,229,132,0.45);
}

.av-glass {
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: 22px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, var(--av-shadow-xl);
}

/* Product card with image header (per mock) */
.av-product-card {
  background: #fff; border: 1px solid var(--av-line);
  border-radius: 18px; overflow: hidden;
  box-shadow: var(--av-shadow-sm);
  transition: transform .22s ease, box-shadow .25s ease, border-color .18s ease;
  display: flex; flex-direction: column;
}
.av-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--av-shadow-lg);
  border-color: var(--av-line-strong);
}
.av-product-card .pc-image {
  position: relative; width: 100%; aspect-ratio: 16/9;
  overflow: hidden; background: #f1f1f1;
}
.av-product-card .pc-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.av-product-card:hover .pc-image img { transform: scale(1.04); }
.av-product-card .pc-image .pc-icon-badge {
  position: absolute; top: 12px; left: 12px;
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--av-green-emph);
  box-shadow: var(--av-shadow-sm);
}

.av-eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--av-mute);
}
.av-field-label {
  font-size: 11px; font-weight: 700; color: var(--av-mute);
  text-transform: uppercase; letter-spacing: 0.06em;
}

/* Pill chips */
.av-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--av-green-soft); color: var(--av-green-emph);
  padding: 6px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--av-green-tint);
}
.av-chip-amber {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--av-amber-soft); color: #b45309;
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
}
.av-chip-green {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--av-green-soft); color: var(--av-green-emph);
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
}

/* Filter pill (used on Products page) */
.av-filter-pill {
  display: inline-flex; align-items: center;
  padding: 8px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  background: #fff; color: var(--av-mute);
  border: 1px solid var(--av-line);
  transition: all .15s ease;
  cursor: pointer;
}
.av-filter-pill:hover { border-color: var(--av-ink); color: var(--av-ink); }
.av-filter-pill.active {
  background: var(--av-ink); color: #fff; border-color: var(--av-ink);
}

.av-icon-tile {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--av-green-soft); color: var(--av-green-emph);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* Scroll reveal */
.av-fade {
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s cubic-bezier(.22,1,.36,1),
              transform .6s cubic-bezier(.22,1,.36,1);
  will-change: opacity, transform;
}
.av-fade.in { opacity: 1; transform: none; }
.av-fade.delay-1 { transition-delay: .06s; }
.av-fade.delay-2 { transition-delay: .12s; }
.av-fade.delay-3 { transition-delay: .18s; }
.av-fade.delay-4 { transition-delay: .24s; }
.av-fade.delay-5 { transition-delay: .30s; }
@media (prefers-reduced-motion: reduce) {
  .av-fade { opacity: 1; transform: none; transition: none; }
}

/* Step circles */
.av-step-num {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
  background: var(--av-ink); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.av-step-num.green { background: var(--av-green); color: #000; }
.av-step-num.outlined { background: transparent; color: var(--av-ink); border: 2px solid var(--av-ink); }

/* Initials avatar */
.av-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--av-green); color: var(--av-green-deep);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 22px; letter-spacing: 0.02em;
}
.av-avatar.sm { width: 36px; height: 36px; font-size: 13px; }

/* Sidebar nav */
.av-side-nav { position: sticky; top: 88px; }
.av-side-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  font-size: 14px; font-weight: 600; color: var(--av-mute);
  transition: background-color .15s, color .15s;
}
.av-side-link .material-symbols-outlined { font-size: 20px; }
.av-side-link:hover { background: #F4F4F4; color: var(--av-ink); }
.av-side-link.active { background: var(--av-green-soft); color: var(--av-green-emph); }
.av-side-link.danger { color: #b91c1c; }
.av-side-link.danger:hover { background: #fef2f2; }

/* Settings row */
.av-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--av-line-soft);
  transition: background-color .15s;
}
.av-row:first-child { border-top: 0; }
.av-row .av-row-body { flex: 1; min-width: 0; }
.av-row .av-row-arrow { color: var(--av-mute); flex-shrink: 0; }
.av-row.is-link { cursor: pointer; }
.av-row.is-link:hover { background: #FAFAFA; margin-left: -12px; margin-right: -12px; padding-left: 12px; padding-right: 12px; border-radius: 10px; }

/* Stat tiles for dashboard summary cards */
.av-stat-tile {
  background: #fff; border: 1px solid var(--av-line);
  border-radius: 16px; padding: 18px 20px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: var(--av-shadow-sm);
  transition: transform .22s ease, box-shadow .25s ease, border-color .18s ease;
}
.av-stat-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--av-shadow-md);
  border-color: var(--av-line-strong);
}
.av-stat-tile .av-stat-num {
  font-size: 32px; font-weight: 800; line-height: 1; color: var(--av-ink);
  font-feature-settings: "tnum";
  letter-spacing: -0.01em;
}
.av-stat-tile .av-stat-label {
  font-size: 12px; font-weight: 600; color: var(--av-mute);
}

/* Big trust-metric tile (homepage) */
.av-metric {
  text-align: left;
}
.av-metric .av-metric-num {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 800; line-height: 1;
  color: var(--av-ink); letter-spacing: -0.02em;
  font-feature-settings: "tnum";
}
.av-metric .av-metric-label {
  font-size: 13px; font-weight: 600; color: var(--av-mute);
  margin-top: 6px;
}