/* ==========================================================================
   IKANDI design system
   Layout concept: a bright, airy canvas lit by drifting color light; glass
   panels float over it and the 3D mark sits at the center of the story.
   Bright is the default. Dark mode is deep navy, never pure black.
   ========================================================================== */
:root {
  /* Color — bright */
  --bg:           #f3f5fe;
  --bg-2:         #ffffff;
  --glass:        rgba(255, 255, 255, .62);
  --glass-strong: rgba(255, 255, 255, .86);
  --glass-edge:   rgba(255, 255, 255, .95);
  --line:         rgba(22, 34, 96, .09);
  --line-2:       rgba(22, 34, 96, .16);
  --text:         #0c1330;
  --text-2:       #47507a;
  --text-3:       #7a83a6;
  --blue:         #3a5bff;
  --violet:       #7b4dff;
  --cyan:         #10bfff;
  --ok:           #10b67d;
  --warn:         #e8930c;
  --danger:       #ef3f5f;
  --on-accent:    #ffffff;
  --grad:         linear-gradient(120deg, #3a5bff 0%, #7b4dff 52%, #10bfff 100%);
  --grad-soft:    linear-gradient(120deg, rgba(58, 91, 255, .12), rgba(123, 77, 255, .12) 52%, rgba(16, 191, 255, .12));
  --blob-1:       rgba(58, 91, 255, .34);
  --blob-2:       rgba(123, 77, 255, .28);
  --blob-3:       rgba(16, 191, 255, .26);
  --shadow:       0 24px 60px -24px rgba(36, 56, 160, .28), 0 2px 8px rgba(36, 56, 160, .06);
  --shadow-lg:    0 50px 120px -40px rgba(58, 71, 200, .38), 0 6px 18px rgba(36, 56, 160, .08);
  --mk-k:         #101836;   /* flat mark: K parts */
  --mk-ring:      #101836;

  /* Type */
  --display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font:    "Manrope", "Segoe UI", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Shape + motion */
  --r-sm: 10px; --r: 16px; --r-lg: 24px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg:           #0a0f27;
  --bg-2:         #10173a;
  --glass:        rgba(24, 33, 78, .55);
  --glass-strong: rgba(24, 33, 78, .84);
  --glass-edge:   rgba(255, 255, 255, .10);
  --line:         rgba(170, 186, 255, .12);
  --line-2:       rgba(170, 186, 255, .22);
  --text:         #eef1ff;
  --text-2:       #aeb7dd;
  --text-3:       #7b86b4;
  --blue:         #5d7aff;
  --violet:       #9b74ff;
  --cyan:         #3fd2ff;
  --ok:           #34d399;
  --warn:         #fbbf24;
  --danger:       #fb7185;
  --grad:         linear-gradient(120deg, #5d7aff 0%, #9b74ff 52%, #3fd2ff 100%);
  --grad-soft:    linear-gradient(120deg, rgba(93, 122, 255, .18), rgba(155, 116, 255, .18) 52%, rgba(63, 210, 255, .18));
  --blob-1:       rgba(70, 100, 255, .45);
  --blob-2:       rgba(140, 90, 255, .38);
  --blob-3:       rgba(30, 190, 255, .30);
  --shadow:       0 24px 60px -24px rgba(0, 0, 0, .55), 0 2px 8px rgba(0, 0, 0, .25);
  --shadow-lg:    0 50px 120px -40px rgba(60, 80, 255, .45), 0 6px 18px rgba(0, 0, 0, .3);
  --mk-k:         #eef1ff;
  --mk-ring:      #eef1ff;
  color-scheme: dark;
}

/* ---------------------------------------------------------------- base --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html, body { min-height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden;
  transition: background-color .4s var(--ease), color .4s var(--ease);
}
h1, h2, h3, h4 { font-family: var(--display); color: var(--text); text-wrap: balance; margin: 0; }
p { margin: 0; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--violet); }
img, svg, canvas { max-width: 100%; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--blue) 60%, transparent); outline-offset: 3px; border-radius: 8px; }
[hidden] { display: none !important; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% 100%; animation: ik-shift 8s ease-in-out infinite alternate; }
@keyframes ik-shift { to { background-position: 100% 0; } }

/* Drifting color light behind everything */
.ik-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.ik-bg i { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .9; will-change: transform; }
.ik-bg i:nth-child(1) { width: 52vmax; height: 52vmax; left: -14vmax; top: -18vmax; background: var(--blob-1); animation: ik-drift-a 22s ease-in-out infinite alternate; }
.ik-bg i:nth-child(2) { width: 46vmax; height: 46vmax; right: -16vmax; top: 6vmax; background: var(--blob-2); animation: ik-drift-b 26s ease-in-out infinite alternate; }
.ik-bg i:nth-child(3) { width: 40vmax; height: 40vmax; left: 20vmax; bottom: -22vmax; background: var(--blob-3); animation: ik-drift-c 30s ease-in-out infinite alternate; }
.ik-bg::after {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: radial-gradient(var(--line-2) 1px, transparent 1px); background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%); mask-image: linear-gradient(180deg, #000, transparent 70%);
}
@keyframes ik-drift-a { to { transform: translate(10vmax, 8vmax) scale(1.1); } }
@keyframes ik-drift-b { to { transform: translate(-12vmax, 10vmax) scale(.92); } }
@keyframes ik-drift-c { to { transform: translate(8vmax, -10vmax) scale(1.08); } }

/* ---------------------------------------------------------------- glass --- */
.glass {
  background: var(--glass); border: 1px solid var(--glass-edge); border-radius: var(--r);
  -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--shadow);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: var(--glass-strong); }
}

/* ---------------------------------------------------------------- buttons --- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 700 15px/1 var(--font); letter-spacing: .01em; white-space: nowrap;
  padding: 14px 22px; border-radius: 12px; border: 1px solid transparent; cursor: pointer; overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s, color .25s;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary { color: var(--on-accent); background: var(--grad); background-size: 160% 100%; box-shadow: 0 12px 30px -10px color-mix(in srgb, var(--violet) 70%, transparent); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-120%);
  background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, .45) 50%, transparent 70%);
  transition: transform .7s var(--ease);
}
.btn-primary:hover { color: var(--on-accent); transform: translateY(-2px); box-shadow: 0 18px 40px -12px color-mix(in srgb, var(--violet) 80%, transparent); background-position: 100% 0; }
.btn-primary:hover::after { transform: translateX(120%); }
.btn-glass { color: var(--text); background: var(--glass-strong); border-color: var(--line-2); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.btn-glass:hover { color: var(--text); transform: translateY(-2px); border-color: color-mix(in srgb, var(--blue) 40%, transparent); }
.btn-sm { padding: 10px 14px; font-size: 14px; border-radius: 10px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

.chip {
  display: inline-flex; align-items: center; gap: 8px; width: fit-content;
  font: 600 13px/1 var(--font); color: var(--text-2);
  padding: 8px 12px; border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line);
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 18%, transparent); animation: ik-pulse 2s ease-in-out infinite; }
@keyframes ik-pulse { 50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--blue) 0%, transparent); } }
.badge { display: inline-flex; align-items: center; gap: 6px; font: 700 11px/1 var(--font); letter-spacing: .06em; text-transform: uppercase; padding: 6px 8px; border-radius: 6px; background: var(--grad-soft); color: var(--blue); }
.badge--ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.badge--muted { background: color-mix(in srgb, var(--text-3) 14%, transparent); color: var(--text-2); }

/* ---------------------------------------------------------------- header --- */
.ik-shell { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; }
.ik-header {
  position: sticky; top: 0; z-index: 60; padding: calc(10px + env(safe-area-inset-top, 0px)) var(--gutter) 10px;
}
.ik-header__bar {
  max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 12px;
  padding: 10px 10px 10px 16px; border-radius: 18px;
  background: var(--glass); border: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--shadow);
}
.ik-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); margin-right: auto; }
.ik-brand:hover { color: var(--text); }
.ik-brand .ik-mark { width: 34px; }
.ik-brand__word { font: 800 17px/1 var(--display); letter-spacing: .18em; }
.ik-nav { display: flex; align-items: center; gap: 2px; }
.ik-nav a { font: 600 15px/1 var(--font); color: var(--text-2); padding: 10px 12px; border-radius: 10px; }
.ik-nav a:hover, .ik-nav a[aria-current="page"] { color: var(--text); background: color-mix(in srgb, var(--blue) 8%, transparent); }
.ik-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; cursor: pointer;
  color: var(--text-2); background: transparent; border: 1px solid var(--line);
  transition: color .2s, background .2s, transform .2s var(--ease);
}
.icon-btn:hover { color: var(--text); background: color-mix(in srgb, var(--blue) 8%, transparent); }
.icon-btn svg { width: 20px; height: 20px; }
.theme-toggle .i-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: block; }
.menu-btn { display: none; }
.ik-mobile-menu { display: none; }

/* ---------------------------------------------------------------- sections --- */
.ik-main { flex: 1; }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 10vw, 120px); }
.eyebrow { font: 700 13px/1 var(--font); letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.h2 { font: 700 clamp(30px, 4.4vw, 52px)/1.08 var(--display); letter-spacing: -.03em; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--text-2); max-width: 58ch; }
.section-head { display: grid; gap: 16px; max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head.center { margin-inline: auto; text-align: center; justify-items: center; }

/* ---------------------------------------------------------------- hero --- */
.hero { padding-block: clamp(28px, 6vw, 72px) clamp(40px, 7vw, 80px); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.hero__copy { display: grid; gap: 22px; align-content: center; }
.hero h1 { font: 800 clamp(40px, 6.4vw, 78px)/1.02 var(--display); letter-spacing: -.045em; }
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__fine { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; color: var(--text-3); font-weight: 600; }
.hero__fine span { display: inline-flex; align-items: center; gap: 6px; }
.hero__fine svg { width: 16px; height: 16px; color: var(--ok); }

.stage { position: relative; aspect-ratio: 1 / 1; width: 100%; max-width: 600px; justify-self: center; }
.stage__glow { position: absolute; inset: 8%; border-radius: 50%; background: var(--grad); filter: blur(70px); opacity: .45; animation: ik-breathe 6s ease-in-out infinite; }
@keyframes ik-breathe { 50% { transform: scale(1.08); opacity: .6; } }
.stage canvas, .stage .stage__fallback { position: absolute; inset: 0; width: 100%; height: 100%; }
.stage__fallback { object-fit: contain; padding: 8%; transition: opacity .6s; }
.stage.is-3d .stage__fallback { opacity: 0; }
.float-chip {
  position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 14px;
  font: 700 14px/1.2 var(--font); color: var(--text); white-space: nowrap;
  animation: ik-float 6s ease-in-out infinite;
}
.float-chip small { display: block; font-weight: 600; font-size: 12px; color: var(--text-3); }
.float-chip .ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: #fff; background: var(--grad); flex: none; }
.float-chip .ico svg { width: 18px; height: 18px; }
.float-chip.c1 { left: -2%; top: 16%; }
.float-chip.c2 { right: -2%; top: 42%; animation-delay: -2s; }
.float-chip.c3 { left: 6%; bottom: 8%; animation-delay: -4s; }
@keyframes ik-float { 50% { transform: translateY(-12px); } }

/* marquee */
.marquee { overflow: hidden; padding-block: 18px; border-block: 1px solid var(--line); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee__track { display: flex; gap: 48px; width: max-content; animation: ik-marquee 40s linear infinite; }
.marquee__track span { display: inline-flex; align-items: center; gap: 12px; font: 700 18px/1 var(--display); color: var(--text-2); white-space: nowrap; }
.marquee__track span::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--grad); transform: rotate(45deg); }
@keyframes ik-marquee { to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------- bento --- */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.card { position: relative; padding: clamp(20px, 2.4vw, 28px); border-radius: var(--r-lg); overflow: hidden; display: grid; align-content: start; gap: 10px; }
.card h3 { font: 700 21px/1.2 var(--display); letter-spacing: -.02em; }
.card p { color: var(--text-2); font-size: 15px; }
.card .ico-lg { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: #fff; background: var(--grad); box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--violet) 70%, transparent); }
.card .ico-lg svg { width: 24px; height: 24px; }
.bento .span-3 { grid-column: span 3; } .bento .span-2 { grid-column: span 2; } .bento .span-4 { grid-column: span 4; }
.tilt { transform-style: preserve-3d; transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.tilt:hover { box-shadow: var(--shadow-lg); }

/* mini visuals inside cards */
.viz { margin-top: 10px; min-height: 140px; border-radius: 14px; background: var(--grad-soft); border: 1px solid var(--line); position: relative; overflow: hidden; padding: 14px; }
.viz-chat { display: grid; gap: 8px; align-content: start; }
.viz-chat .b { font-size: 13px; font-weight: 600; padding: 8px 10px; border-radius: 10px; max-width: 80%; opacity: 0; animation: ik-pop-in .6s var(--spring) forwards; }
.viz-chat .b.me { justify-self: end; background: var(--grad); color: #fff; }
.viz-chat .b.ai { background: var(--bg-2); color: var(--text-2); border: 1px solid var(--line); animation-delay: .6s; }
.viz-chat .blocks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 4px; }
.viz-chat .blocks i { height: 26px; border-radius: 6px; background: var(--bg-2); border: 1px solid var(--line); opacity: 0; animation: ik-pop-in .5s var(--spring) forwards; }
.viz-chat .blocks i:nth-child(1) { animation-delay: 1.1s; grid-column: span 3; height: 34px; background: var(--grad); border: 0; }
.viz-chat .blocks i:nth-child(2) { animation-delay: 1.25s; } .viz-chat .blocks i:nth-child(3) { animation-delay: 1.4s; } .viz-chat .blocks i:nth-child(4) { animation-delay: 1.55s; }
@keyframes ik-pop-in { from { opacity: 0; transform: translateY(8px) scale(.94); } to { opacity: 1; transform: none; } }
.viz-bars { display: flex; align-items: flex-end; gap: 8px; height: 140px; }
.viz-bars i { flex: 1; border-radius: 8px 8px 4px 4px; background: var(--grad); transform-origin: bottom; animation: ik-grow 1.2s var(--ease) both; }
.viz-bars i:nth-child(1) { height: 28%; } .viz-bars i:nth-child(2) { height: 40%; animation-delay: .1s; } .viz-bars i:nth-child(3) { height: 36%; animation-delay: .2s; }
.viz-bars i:nth-child(4) { height: 58%; animation-delay: .3s; } .viz-bars i:nth-child(5) { height: 70%; animation-delay: .4s; } .viz-bars i:nth-child(6) { height: 92%; animation-delay: .5s; }
@keyframes ik-grow { from { transform: scaleY(0); } }
.viz-shield { display: grid; place-items: center; }
.viz-shield .ring { position: absolute; width: 90px; height: 90px; border-radius: 50%; border: 2px solid var(--blue); opacity: 0; animation: ik-ring 2.8s var(--ease) infinite; }
.viz-shield .ring:nth-child(2) { animation-delay: .9s; } .viz-shield .ring:nth-child(3) { animation-delay: 1.8s; }
.viz-shield svg { width: 92px; height: 92px; position: relative; filter: drop-shadow(0 10px 20px color-mix(in srgb, var(--blue) 50%, transparent)); }
@keyframes ik-ring { 0% { opacity: .7; transform: scale(.6); } 100% { opacity: 0; transform: scale(1.9); } }
.viz-code { font: 500 13px/1.7 var(--mono); color: var(--text-2); white-space: pre; overflow: hidden; }
.viz-code b { color: var(--violet); font-weight: 600; } .viz-code em { color: var(--blue); font-style: normal; } .viz-code u { color: var(--ok); text-decoration: none; }
.viz-code .caret { display: inline-block; width: 8px; height: 16px; vertical-align: -3px; background: var(--blue); animation: ik-blink 1s steps(1) infinite; }
@keyframes ik-blink { 50% { opacity: 0; } }
.viz-progress { display: grid; gap: 12px; align-content: center; }
.viz-progress .row { display: grid; gap: 6px; font-size: 13px; font-weight: 700; color: var(--text-2); }
.viz-progress .bar { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.viz-progress .bar i { display: block; height: 100%; border-radius: inherit; background: var(--grad); animation: ik-fill 2.4s var(--ease) both; }
@keyframes ik-fill { from { width: 0; } }
.viz-brands { display: flex; gap: 10px; align-items: center; justify-content: center; }
.viz-brands i { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; font: 800 18px/1 var(--display); color: #fff; animation: ik-hop 3s var(--ease) infinite; }
.viz-brands i:nth-child(1) { background: linear-gradient(135deg, #3a5bff, #7b4dff); }
.viz-brands i:nth-child(2) { background: linear-gradient(135deg, #ff6a3d, #ff3d8b); animation-delay: .3s; }
.viz-brands i:nth-child(3) { background: linear-gradient(135deg, #10b67d, #10bfff); animation-delay: .6s; }
@keyframes ik-hop { 0%, 60%, 100% { transform: none; } 30% { transform: translateY(-10px) rotate(-4deg); } }

/* ---------------------------------------------------------------- steps --- */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.step { padding: 28px; border-radius: var(--r-lg); display: grid; gap: 12px; align-content: start; }
.step__num { font: 800 15px/1 var(--display); width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: var(--grad); }
.step h3 { font: 700 22px/1.2 var(--display); letter-spacing: -.02em; }
.step p { color: var(--text-2); }

/* ---------------------------------------------------------------- score --- */
.score { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.score__card { padding: clamp(24px, 4vw, 40px); border-radius: var(--r-lg); display: grid; justify-items: center; gap: 16px; text-align: center; }
.ring { position: relative; width: min(240px, 60vw); aspect-ratio: 1; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .track { fill: none; stroke: var(--line); stroke-width: 14; }
.ring .val { fill: none; stroke: url(#ringGrad); stroke-width: 14; stroke-linecap: round; stroke-dasharray: 578; stroke-dashoffset: 578; transition: stroke-dashoffset 2s var(--ease); }
.ring__num { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; font: 800 64px/1 var(--display); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.ring__num small { font: 600 14px/1 var(--font); color: var(--text-3); letter-spacing: 0; margin-top: 6px; }
.checks { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-2); font-weight: 500; }
.checks li svg { width: 22px; height: 22px; flex: none; color: var(--ok); margin-top: 1px; }
.checks b { color: var(--text); font-weight: 700; }

/* ---------------------------------------------------------------- CTA band --- */
.cta-band { position: relative; overflow: hidden; border-radius: 32px; padding: clamp(36px, 6vw, 72px); text-align: center; color: #fff; background: var(--grad); background-size: 200% 200%; animation: ik-shift 10s ease-in-out infinite alternate; box-shadow: var(--shadow-lg); display: grid; justify-items: center; gap: 18px; }
.cta-band h2 { color: #fff; font: 800 clamp(30px, 4.6vw, 54px)/1.05 var(--display); letter-spacing: -.035em; max-width: 18ch; }
.cta-band p { color: rgba(255, 255, 255, .86); font-size: 18px; max-width: 52ch; }
.cta-band .btn-glass { background: #fff; color: #18205a; border-color: #fff; }
.cta-band::before, .cta-band::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .16); filter: blur(2px); }
.cta-band::before { width: 340px; height: 340px; left: -120px; top: -160px; }
.cta-band::after { width: 260px; height: 260px; right: -80px; bottom: -140px; }

/* ---------------------------------------------------------------- pricing --- */
.billing { display: inline-flex; padding: 5px; border-radius: 14px; gap: 4px; }
.billing button { font: 700 14px/1 var(--font); color: var(--text-2); background: none; border: 0; padding: 11px 16px; border-radius: 10px; cursor: pointer; }
.billing button[aria-pressed="true"] { color: #fff; background: var(--grad); box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--violet) 70%, transparent); }
.billing .save { font-size: 11px; margin-left: 6px; padding: 3px 6px; border-radius: 6px; background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.billing button[aria-pressed="true"] .save { background: rgba(255, 255, 255, .25); color: #fff; }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.plan { padding: 28px 24px; border-radius: var(--r-lg); display: grid; gap: 16px; align-content: start; position: relative; }
.plan h3 { font: 700 20px/1.2 var(--display); }
.plan__for { color: var(--text-3); font-size: 14px; min-height: 2.8em; }
.plan__price { display: flex; align-items: baseline; gap: 6px; }
.plan__price b { font: 800 46px/1 var(--display); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.plan__price span { color: var(--text-3); font-weight: 600; }
.plan__note { font-size: 13px; color: var(--text-3); min-height: 1.4em; }
.plan ul { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 10px; font-size: 15px; color: var(--text-2); }
.plan li { display: flex; gap: 10px; }
.plan li svg { width: 18px; height: 18px; flex: none; color: var(--blue); margin-top: 3px; }
.plan--hot { border: 2px solid transparent; background: linear-gradient(var(--glass-strong), var(--glass-strong)) padding-box, var(--grad) border-box; box-shadow: var(--shadow-lg); }
.plan--hot .badge { position: absolute; top: -12px; left: 24px; background: var(--grad); color: #fff; }
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 10px; }
.faq details { border-radius: var(--r); padding: 0; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 22px; font: 700 17px/1.3 var(--display); display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 26px/1 var(--font); color: var(--blue); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 22px 20px; color: var(--text-2); }

/* ---------------------------------------------------------------- forms --- */
.auth { min-height: calc(100vh - 100px); display: grid; place-items: center; padding: 32px var(--gutter) 64px; }
.auth__card { width: 100%; max-width: 440px; padding: clamp(24px, 5vw, 40px); border-radius: var(--r-lg); display: grid; gap: 20px; }
.auth__card .ik-mark { width: 56px; justify-self: center; }
.auth__card h1 { font: 800 30px/1.1 var(--display); letter-spacing: -.03em; text-align: center; }
.auth__card .sub { text-align: center; color: var(--text-2); }
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font: 700 14px/1 var(--font); color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%; font: 500 16px/1.4 var(--font); color: var(--text);
  background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 12px; padding: 13px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 18%, transparent); }
.field .hint { font-size: 13px; color: var(--text-3); }
.field.has-error input { border-color: var(--danger); }
.field .err { font-size: 13px; color: var(--danger); font-weight: 600; }
.alert { padding: 12px 14px; border-radius: 12px; font-size: 14px; font-weight: 600; }
.alert--error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); }
.alert--ok { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.auth__alt { text-align: center; font-size: 15px; color: var(--text-2); }
.pw-meter { height: 6px; border-radius: 99px; background: var(--line); overflow: hidden; }
.pw-meter i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--danger); transition: width .3s var(--ease), background .3s; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text-2); }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--blue); }

/* ---------------------------------------------------------------- footer --- */
.ik-footer { margin-top: auto; padding: 56px var(--gutter) calc(32px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); background: color-mix(in srgb, var(--bg-2) 50%, transparent); }
.ik-footer__grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: 32px; }
.ik-footer h4 { font: 700 14px/1 var(--font); color: var(--text); margin-bottom: 14px; }
.ik-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ik-footer a { color: var(--text-2); font-size: 15px; }
.ik-footer a:hover { color: var(--blue); }
.ik-footer__about p { color: var(--text-2); font-size: 15px; margin-top: 14px; max-width: 34ch; }
.ik-footer__base { max-width: 1200px; margin: 40px auto 0; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--text-3); font-size: 14px; }

/* ==========================================================================
   App (dashboard)
   ========================================================================== */
.app { position: relative; z-index: 1; display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100vh; }
.app-side {
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 6px;
  padding: calc(18px + env(safe-area-inset-top, 0px)) 14px 18px; border-right: 1px solid var(--line);
  background: var(--glass); -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
}
.app-side .ik-brand { margin: 0 6px 18px; }
.app-side nav { display: grid; gap: 2px; }
.app-side .grp { font: 700 11px/1 var(--font); letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); padding: 16px 12px 8px; }
.app-link { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 12px; color: var(--text-2); font: 600 15px/1 var(--font); transition: background .2s, color .2s; }
.app-link svg { width: 20px; height: 20px; flex: none; }
.app-link:hover { color: var(--text); background: color-mix(in srgb, var(--blue) 8%, transparent); }
.app-link[aria-current="page"] { color: #fff; background: var(--grad); box-shadow: 0 10px 24px -12px color-mix(in srgb, var(--violet) 80%, transparent); }
.app-link .soon { margin-left: auto; font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.app-link[aria-current="page"] .soon { color: rgba(255, 255, 255, .8); }
.app-side__foot { margin-top: auto; padding: 14px; border-radius: 16px; background: var(--grad-soft); border: 1px solid var(--line); display: grid; gap: 8px; }
.app-side__foot b { font: 700 15px/1.2 var(--display); }
.app-side__foot p { font-size: 13px; color: var(--text-2); }

.app-main { min-width: 0; display: flex; flex-direction: column; }
.app-top { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 12px; padding: calc(14px + env(safe-area-inset-top, 0px)) clamp(16px, 3vw, 32px) 14px; background: color-mix(in srgb, var(--bg) 70%, transparent); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.app-top h1 { font: 700 20px/1.2 var(--display); letter-spacing: -.02em; margin-right: auto; }
.lvl { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px; border-radius: 999px; font: 700 13px/1 var(--font); color: var(--text); background: var(--glass-strong); border: 1px solid var(--line); }
.lvl i { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-style: normal; color: #fff; background: var(--grad); font-size: 12px; }
.avatar { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font: 800 15px/1 var(--display); color: #fff; background: var(--grad); border: 0; cursor: pointer; }
.menu { position: relative; }
.menu__pop { position: absolute; right: 0; top: calc(100% + 8px); min-width: 220px; padding: 8px; border-radius: 16px; display: grid; gap: 2px; z-index: 70; }
.menu__pop a, .menu__pop button { display: flex; width: 100%; text-align: left; font: 600 14px/1 var(--font); color: var(--text-2); padding: 11px 12px; border-radius: 10px; background: none; border: 0; cursor: pointer; }
.menu__pop a:hover, .menu__pop button:hover { color: var(--text); background: color-mix(in srgb, var(--blue) 8%, transparent); }
.menu__pop .who { padding: 10px 12px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; font-size: 13px; color: var(--text-3); }
.menu__pop .who b { display: block; color: var(--text); font-size: 15px; margin-bottom: 2px; }

.app-body { padding: clamp(16px, 3vw, 32px); display: grid; gap: 20px; align-content: start; }
.welcome { padding: clamp(22px, 3vw, 32px); border-radius: var(--r-lg); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; align-items: center; position: relative; overflow: hidden; }
.welcome h2 { font: 800 clamp(24px, 3vw, 34px)/1.1 var(--display); letter-spacing: -.03em; }
.welcome p { color: var(--text-2); margin-top: 8px; max-width: 56ch; }
.welcome .ik-mark { width: clamp(72px, 9vw, 110px); animation: ik-float 6s ease-in-out infinite; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.panel { padding: 22px; border-radius: var(--r-lg); display: grid; gap: 14px; align-content: start; min-width: 0; }
.panel__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.panel h3 { font: 700 17px/1.2 var(--display); }
.stat { font: 800 36px/1 var(--display); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.muted { color: var(--text-3); font-size: 14px; }
.xpbar { height: 12px; border-radius: 99px; background: var(--line); overflow: hidden; }
.xpbar i { display: block; height: 100%; border-radius: inherit; background: var(--grad); background-size: 200% 100%; animation: ik-fill 1.6s var(--ease) both, ik-shift 3s ease-in-out infinite alternate; }
.quests { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.quest { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 14px; border-radius: 14px; background: var(--bg-2); border: 1px solid var(--line); }
.quest__tick { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--line-2); color: transparent; }
.quest__tick svg { width: 16px; height: 16px; }
.quest.is-done .quest__tick { background: var(--ok); border-color: var(--ok); color: #fff; }
.quest b { display: block; font-weight: 700; }
.quest span { font-size: 14px; color: var(--text-3); }
.quest.is-done b { text-decoration: line-through; color: var(--text-3); }
.quest__xp { font: 800 13px/1 var(--font); color: var(--violet); white-space: nowrap; }
.quest.is-locked { opacity: .65; }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.tile { display: grid; gap: 10px; padding: 18px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); color: var(--text); transition: transform .25s var(--ease), box-shadow .25s; }
.tile:hover { color: var(--text); transform: translateY(-3px); box-shadow: var(--shadow); }
.tile .ico-lg { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: var(--grad); }
.tile .ico-lg svg { width: 22px; height: 22px; }
.tile b { font: 700 16px/1.2 var(--display); }
.tile span { font-size: 14px; color: var(--text-2); }
.empty-ring { width: 150px; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; justify-self: center; border: 12px solid var(--line); font: 800 34px/1 var(--display); color: var(--text-3); }
.module-hero { padding: clamp(24px, 4vw, 44px); border-radius: var(--r-lg); display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 28px; align-items: center; overflow: hidden; position: relative; }
.module-hero h2 { font: 800 clamp(26px, 3.4vw, 40px)/1.08 var(--display); letter-spacing: -.03em; margin: 12px 0; }
.module-hero p { color: var(--text-2); }
.module-hero ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.module-hero li { display: flex; gap: 10px; color: var(--text-2); font-weight: 500; }
.module-hero li svg { width: 20px; height: 20px; color: var(--blue); flex: none; margin-top: 2px; }
.module-art { display: grid; place-items: center; min-height: 220px; position: relative; }
.module-art .orb { position: absolute; width: 220px; height: 220px; border-radius: 50%; background: var(--grad); filter: blur(40px); opacity: .35; animation: ik-breathe 6s ease-in-out infinite; }
.module-art .big-ico { position: relative; width: 120px; height: 120px; border-radius: 32px; display: grid; place-items: center; color: #fff; background: var(--grad); box-shadow: var(--shadow-lg); transform: perspective(600px) rotateX(12deg) rotateY(-16deg); animation: ik-spin3d 8s ease-in-out infinite; }
.module-art .big-ico svg { width: 56px; height: 56px; }
@keyframes ik-spin3d { 50% { transform: perspective(600px) rotateX(-8deg) rotateY(16deg) translateY(-8px); } }

/* bottom tab bar (phones) */
.tabbar { display: none; }

/* ==========================================================================
   Intro — cinematic. With WebGL the 3D scene runs on the canvas; without it
   the flat SVG mark assembles instead. Letters, tagline, flash and shockwave
   are shared by both.
   ========================================================================== */
.ik-intro {
  position: fixed; inset: 0; z-index: 9999; overflow: hidden; background: var(--bg);
  --cx: 50%; --cy: 50%;
}
.ik-intro[hidden] { display: none !important; }
.ik-intro .ik-bg { position: absolute; }
.ik-intro .ik-bg i { opacity: 0; animation: ik-fade-in 1.2s var(--ease) .1s forwards; }
.ik-intro__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: none; }
.ik-intro.is-3d .ik-intro__canvas { display: block; }
.ik-intro__stage { position: absolute; left: 50%; top: 36%; width: min(40vh, 68vw); transform: translate(-50%, -50%); }
.ik-intro.is-3d .ik-intro__stage { display: none; }
.ik-intro__stage .ik-mark { filter: drop-shadow(0 24px 40px color-mix(in srgb, var(--violet) 45%, transparent)); }
.ik-intro__text { position: absolute; left: 16px; right: 16px; top: calc(36% + min(20vh, 34vw) + 26px); display: grid; justify-items: center; gap: 16px; text-align: center; }
.ik-intro__word { display: flex; gap: .06em; font: 800 clamp(34px, 7vmin, 64px)/1 var(--display); letter-spacing: .22em; margin-right: -.22em; }
.ik-intro__word span { display: inline-block; opacity: 0; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 600% 100%; background-position: calc(var(--i) * 20%) 0; }
.ik-intro.show-word .ik-intro__word span { animation: ik-letter .8s var(--spring) calc(var(--i) * 70ms) forwards; }
.ik-intro__tag { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; font: 700 clamp(11px, 1.6vmin, 13px)/1.4 var(--font); letter-spacing: .16em; text-transform: uppercase; color: var(--text-2); }
.ik-intro__tag span { opacity: 0; display: inline-flex; align-items: center; gap: 14px; }
.ik-intro__tag span + span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--grad); }
.ik-intro.show-word .ik-intro__tag span { animation: ik-rise .7s var(--ease) calc(.5s + var(--i) * 110ms) forwards; }
.ik-intro__flash { position: absolute; inset: 0; pointer-events: none; opacity: 0; background: radial-gradient(circle at 50% 36%, #fff 0%, rgba(255, 255, 255, .7) 18%, color-mix(in srgb, var(--violet) 40%, transparent) 38%, transparent 65%); }
.ik-intro.flash .ik-intro__flash { animation: ik-flash .9s var(--ease) forwards; }
.ik-intro__shock { position: absolute; left: 50%; top: 36%; width: 0; height: 0; pointer-events: none; }
.ik-intro__shock i { position: absolute; left: -60px; top: -60px; width: 120px; height: 120px; border-radius: 50%; border: 3px solid rgba(255, 255, 255, .9); box-shadow: 0 0 30px color-mix(in srgb, var(--blue) 80%, transparent), inset 0 0 20px color-mix(in srgb, var(--violet) 60%, transparent); opacity: 0; }
.ik-intro.flash .ik-intro__shock i { animation: ik-shock 1.1s var(--ease) forwards; }
.ik-intro.flash .ik-intro__shock i:nth-child(2) { animation-delay: .12s; border-color: color-mix(in srgb, var(--cyan) 90%, transparent); }
.ik-intro__load { position: absolute; left: 50%; bottom: calc(34px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); display: grid; justify-items: center; gap: 10px; width: min(220px, 60vw); transition: opacity .5s; }
.ik-intro__pct { font: 600 12px/1 var(--mono); letter-spacing: .14em; color: var(--text-3); font-variant-numeric: tabular-nums; }
.ik-intro__bar { width: 100%; height: 3px; border-radius: 99px; background: var(--line); overflow: hidden; }
.ik-intro__bar i { display: block; height: 100%; width: 0; background: var(--grad); border-radius: inherit; box-shadow: 0 0 12px color-mix(in srgb, var(--blue) 80%, transparent); }
.ik-intro.show-word .ik-intro__load { opacity: 0; }
.ik-intro__skip { position: absolute; right: 16px; top: calc(16px + env(safe-area-inset-top, 0px)); font: 700 13px/1 var(--font); color: var(--text-2); background: var(--glass-strong); border: 1px solid var(--line); border-radius: 999px; padding: 10px 16px; cursor: pointer; z-index: 2; }
.ik-intro__skip:hover { color: var(--text); }
/* leaving: the whole intro collapses into the homepage logo */
.ik-intro.is-leaving { animation: ik-collapse .85s cubic-bezier(.7, 0, .2, 1) forwards; }
.ik-intro.is-leaving .ik-intro__text { animation: ik-fade-out .3s ease forwards; }

/* SVG fallback sequence (no WebGL) */
.ik-intro.is-svg .mk-ring circle { stroke-dasharray: 1010; stroke-dashoffset: 1010; animation: ik-draw 1.1s var(--ease) .2s forwards; }
.ik-intro.is-svg .mk-i      { opacity: 0; animation: ik-drop .8s var(--spring) .6s forwards; }
.ik-intro.is-svg .mk-pillar { opacity: 0; animation: ik-drop .8s var(--spring) .72s forwards; }
.ik-intro.is-svg .mk-arm-up { opacity: 0; animation: ik-swing .8s var(--spring) .9s forwards; }
.ik-intro.is-svg .mk-arm-dn { opacity: 0; animation: ik-swing .8s var(--spring) 1s forwards; }
.ik-intro.is-svg .mk-shield { opacity: 0; animation: ik-pop .7s var(--spring) 1.3s forwards; }
.ik-intro.is-svg .mk-shackle{ transform: translateY(-16%); animation: ik-settle .25s var(--ease) 1.8s forwards; }

@keyframes ik-fade-in  { to { opacity: .9; } }
@keyframes ik-letter   { 0% { opacity: 0; transform: translateY(60%) rotateX(-80deg) scale(.6); filter: blur(10px); } 100% { opacity: 1; transform: none; filter: none; } }
@keyframes ik-rise     { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes ik-flash    { 0% { opacity: 0; } 12% { opacity: .95; } 100% { opacity: 0; } }
@keyframes ik-shock    { 0% { opacity: 1; transform: scale(.2); } 100% { opacity: 0; transform: scale(9); border-width: 1px; } }
@keyframes ik-collapse { 0% { clip-path: circle(150% at var(--cx) var(--cy)); } 100% { clip-path: circle(0% at var(--cx) var(--cy)); } }
@keyframes ik-draw     { to { stroke-dashoffset: 0; } }
@keyframes ik-drop     { from { opacity: 0; transform: translateY(-40px) rotate(-6deg); } to { opacity: 1; transform: none; } }
@keyframes ik-swing    { from { opacity: 0; transform: translateX(40px) rotate(14deg); } to { opacity: 1; transform: none; } }
@keyframes ik-pop      { from { opacity: 0; transform: scale(.5); } to { opacity: 1; transform: none; } }
@keyframes ik-settle   { to { transform: none; } }
@keyframes ik-fade-out { to { opacity: 0; } }

/* ==========================================================================
   Page transitions + refresh
   Leaving: three color panels sweep across, the mark spins over a loader
   that names where you're going. Arriving (or refreshing): the core shrinks
   away and the panels sweep off the other side.
   ========================================================================== */
.ik-splash { position: fixed; inset: 0; z-index: 9000; pointer-events: none; overflow: hidden; }
.ik-splash__panel { position: absolute; inset: -20% -40%; transform: translate3d(-110%, 0, 0) skewX(-14deg); will-change: transform; }
.ik-splash .p1 { background: linear-gradient(120deg, #3a5bff, #6a4dff); }
.ik-splash .p2 { background: linear-gradient(120deg, #7b4dff, #10bfff); }
.ik-splash .p3 { background: var(--bg); }
.ik-splash .p3::before { content: ""; position: absolute; inset: 0; background: radial-gradient(40% 40% at 50% 50%, color-mix(in srgb, var(--violet) 22%, transparent), transparent 70%); }
.ik-splash__core { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.6); display: grid; justify-items: center; gap: 18px; opacity: 0; }
.ik-splash__ring { position: relative; width: 136px; height: 136px; display: grid; place-items: center; }
.ik-splash__ring .ik-mark { width: 78px; filter: drop-shadow(0 12px 22px color-mix(in srgb, var(--violet) 45%, transparent)); }
.ik-splash__loader { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.ik-splash__loader .track { fill: none; stroke: var(--line); stroke-width: 4; }
.ik-splash__loader .arc { fill: none; stroke: url(#ringGrad); stroke-width: 5; filter: drop-shadow(0 0 6px rgba(91, 90, 255, .6)); stroke-linecap: round; stroke-dasharray: 339; stroke-dashoffset: 339; }
.ik-splash__label { font: 800 clamp(20px, 3.2vw, 28px)/1.1 var(--display); letter-spacing: -.02em; color: var(--text); max-width: 80vw; text-align: center; }

/* covering (leaving a page) */
.ik-splash.is-out { pointer-events: all; }
.ik-splash.is-out .p1 { animation: ik-panel-in .5s cubic-bezier(.7, 0, .2, 1) forwards; }
.ik-splash.is-out .p2 { animation: ik-panel-in .5s cubic-bezier(.7, 0, .2, 1) .07s forwards; }
.ik-splash.is-out .p3 { animation: ik-panel-in .5s cubic-bezier(.7, 0, .2, 1) .14s forwards; }
.ik-splash.is-out .ik-splash__core { animation: ik-core-in .5s var(--spring) .38s forwards; }
.ik-splash.is-out .ik-mark { animation: ik-spin-y 1.4s var(--ease) .4s infinite; }
.ik-splash.is-out .arc { animation: ik-load 1.6s var(--ease) .4s forwards; }

/* covered from the start (refresh / arriving) */
.ik-splash.is-load, .ik-splash.is-in { pointer-events: all; }
.ik-splash.is-load .ik-splash__panel, .ik-splash.is-in .ik-splash__panel { transform: translate3d(0, 0, 0) skewX(-14deg); }
.ik-splash.is-load .ik-splash__core, .ik-splash.is-in .ik-splash__core { opacity: 1; transform: translate(-50%, -50%); }
.ik-splash.is-load .arc { animation: ik-load 2.2s var(--ease) forwards; }
.ik-splash.is-load .ik-mark { animation: ik-spin-y 1.4s var(--ease) infinite; }
/* safety net: if the script never runs, the cover still lifts */
.ik-splash.is-load { animation: ik-failsafe .6s ease 3s forwards; }
@keyframes ik-failsafe { to { opacity: 0; visibility: hidden; } }

/* uncovering */
.ik-splash.is-leave { pointer-events: none; }
.ik-splash.is-leave .ik-splash__panel { transform: translate3d(0, 0, 0) skewX(-14deg); }
.ik-splash.is-leave .ik-splash__core { opacity: 1; transform: translate(-50%, -50%); animation: ik-core-out .35s var(--ease) forwards; }
.ik-splash.is-leave .arc { stroke-dashoffset: 0; }
.ik-splash.is-leave .p3 { animation: ik-panel-out .6s cubic-bezier(.7, 0, .2, 1) .15s forwards; }
.ik-splash.is-leave .p2 { animation: ik-panel-out .6s cubic-bezier(.7, 0, .2, 1) .22s forwards; }
.ik-splash.is-leave .p1 { animation: ik-panel-out .6s cubic-bezier(.7, 0, .2, 1) .29s forwards; }
body.is-arriving .ik-main > *, body.is-arriving .app-body > * { animation: ik-rise .8s var(--ease) both; }
body.is-arriving .ik-main > *:nth-child(2), body.is-arriving .app-body > *:nth-child(2) { animation-delay: .06s; }
body.is-arriving .ik-main > *:nth-child(3), body.is-arriving .app-body > *:nth-child(3) { animation-delay: .12s; }

@keyframes ik-panel-in  { from { transform: translate3d(-110%, 0, 0) skewX(-14deg); } to { transform: translate3d(0, 0, 0) skewX(-14deg); } }
@keyframes ik-panel-out { from { transform: translate3d(0, 0, 0) skewX(-14deg); } to { transform: translate3d(110%, 0, 0) skewX(-14deg); } }
@keyframes ik-core-in   { from { opacity: 0; transform: translate(-50%, -50%) scale(.6); } to { opacity: 1; transform: translate(-50%, -50%) scale(1); } }
@keyframes ik-core-out  { to { opacity: 0; transform: translate(-50%, -50%) scale(1.25); filter: blur(6px); } }
@keyframes ik-spin-y    { 0% { transform: perspective(400px) rotateY(0); } 60%, 100% { transform: perspective(400px) rotateY(360deg); } }
@keyframes ik-load      { 0% { stroke-dashoffset: 339; } 70% { stroke-dashoffset: 60; } 100% { stroke-dashoffset: 20; } }

/* scroll reveal: visible by default; animated only once JS marks the page */
.js-anim .reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js-anim .reveal.is-in { opacity: 1; transform: none; }
.js-anim .reveal.d1 { transition-delay: .08s; } .js-anim .reveal.d2 { transition-delay: .16s; } .js-anim .reveal.d3 { transition-delay: .24s; }

/* ==========================================================================
   The flat mark
   ========================================================================== */
.ik-mark { display: block; width: 100%; height: auto; overflow: visible; }
.ik-mark .mk-ring circle { fill: none; stroke: url(#mkGrad); stroke-width: 12; }
.ik-mark .mk-i, .ik-mark .mk-pillar, .ik-mark .mk-arm-up, .ik-mark .mk-arm-dn { fill: var(--mk-k); }
.ik-mark .mk-shine { fill: url(#mkShine); }
.ik-mark .mk-shield-cut  { fill: var(--bg); }
.ik-mark .mk-shield-fill { fill: url(#mkGrad); }
.ik-mark .mk-lock        { fill: #fff; }
.ik-mark .mk-shackle     { fill: none; stroke: #fff; stroke-width: 8; stroke-linecap: round; }
.ik-mark g, .ik-mark path, .ik-mark rect { transform-box: fill-box; transform-origin: center; }
.on-grad .ik-mark { --mk-k: #fff; }

/* ==========================================================================
   Error pages
   ========================================================================== */
.err { max-width: 680px; margin: 0 auto; padding: clamp(40px, 8vh, 96px) var(--gutter) 64px; display: grid; justify-items: center; text-align: center; gap: 16px; }
.err__art { position: relative; width: 180px; height: 180px; display: grid; place-items: center; margin-bottom: 8px; }
.err__art::before { content: ""; position: absolute; inset: -10px; border-radius: 50%; background: var(--grad); filter: blur(46px); opacity: .35; animation: ik-breathe 5s ease-in-out infinite; }
.err__art .ik-mark { position: relative; width: 150px; filter: drop-shadow(0 20px 30px color-mix(in srgb, var(--violet) 35%, transparent)); }
.err__code { font: 800 clamp(72px, 14vw, 140px)/.9 var(--display); letter-spacing: -.06em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% 100%; animation: ik-shift 6s ease-in-out infinite alternate; }
.err__title { font: 800 clamp(26px, 3.6vw, 40px)/1.1 var(--display); letter-spacing: -.03em; }
.err__msg { color: var(--text-2); font-size: 17px; max-width: 50ch; }
.err__actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
.err__extra { width: 100%; margin-top: 24px; padding: 22px; border-radius: var(--r-lg); text-align: left; display: grid; gap: 14px; }
.err__extra h2 { font: 700 13px/1 var(--font); letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.search { display: flex; gap: 8px; }
.search input { flex: 1; min-width: 0; font: 500 16px var(--font); color: var(--text); background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 12px; padding: 13px 14px; }
.search input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 18%, transparent); }
.links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.links a { display: grid; gap: 2px; padding: 14px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); color: var(--text); font-weight: 700; }
.links a span { font-weight: 500; font-size: 13px; color: var(--text-3); }
.links a:hover { border-color: var(--blue); color: var(--text); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.mchip { font: 600 13px/1 var(--mono); padding: 8px 10px; border-radius: 8px; background: var(--bg-2); border: 1px solid var(--line-2); color: var(--text-2); }
.mchip--bad { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, transparent); text-decoration: line-through; }
.ref { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 14px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); }
.ref code { font: 600 15px var(--mono); }

/* per-code motion */
.v-403 .err__code, .v-403 .err__art::before { background: linear-gradient(120deg, #ef3f5f, #ff7a59 60%, #ef3f5f); }
.v-403 .mk-shield-fill { fill: #ef3f5f; }
.v-403 .mk-shackle { transform: translateY(-18%); animation: ik-settle .35s var(--ease) .6s forwards; }
.v-403 .err__art::after { content: ""; position: absolute; inset: 10px; border-radius: 50%; border: 2px solid #ef3f5f; opacity: 0; animation: ik-ring 2.6s var(--ease) 1s infinite; }
.v-404 .mk-arm-dn { animation: ik-loose 5s ease-in-out infinite; }
.v-404 .ghost { position: absolute; width: 150px; }
.v-404 .ghost polygon { fill: none; stroke: var(--violet); stroke-width: 7; stroke-dasharray: 16 12; stroke-linejoin: round; opacity: .7; animation: ik-march 1.2s linear infinite; }
@keyframes ik-loose { 0%, 100% { transform: translate(44%, 36%) rotate(16deg); } 50% { transform: translate(58%, 52%) rotate(30deg); } }
@keyframes ik-march { to { stroke-dashoffset: -56; } }
.v-405 .req { position: absolute; left: -96px; top: 50%; margin-top: -16px; font: 700 12px/1 var(--mono); color: #fff; background: linear-gradient(120deg, #ef3f5f, #ff7a59); border-radius: 8px; padding: 9px 10px; box-shadow: 0 10px 20px -8px rgba(239, 63, 95, .6); opacity: 0; animation: ik-bounce 3s var(--ease) infinite; }
.v-405 .mk-shield { animation: ik-block 3s var(--ease) infinite; }
@keyframes ik-bounce { 0% { opacity: 0; transform: translateX(-30px); } 12% { opacity: 1; } 38% { opacity: 1; transform: translateX(52px); } 60% { opacity: 1; transform: translateX(-10px) rotate(-8deg); } 82%, 100% { opacity: 0; transform: translateX(-40px); } }
@keyframes ik-block { 0%, 34%, 52%, 100% { transform: none; } 40% { transform: scale(1.14); } }
.v-500 .err__code, .v-500 .err__art::before { background: linear-gradient(120deg, #e8930c, #ff6a3d 60%, #e8930c); }
.v-500 .mk-shield-fill { fill: #e8930c; }
.v-500 .ik-mark .mk-ring circle { stroke: #e8930c; stroke-dasharray: 200 805; animation: ik-orbit 1.8s linear infinite; }
@keyframes ik-orbit { to { stroke-dashoffset: -1005; } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bento .span-2, .bento .span-4 { grid-column: span 3; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app { grid-template-columns: 84px minmax(0, 1fr); }
  .app-side { padding-inline: 10px; }
  .app-side .ik-brand__word, .app-link span, .app-link .soon, .app-side .grp, .app-side__foot { display: none; }
  .app-side .ik-brand { margin: 0 auto 18px; }
  .app-link { justify-content: center; padding: 13px; }
}
@media (max-width: 860px) {
  .ik-nav, .ik-actions .hide-sm { display: none; }
  .menu-btn { display: inline-grid; }
  .ik-mobile-menu { display: grid; position: fixed; inset: 0; z-index: 80; padding: calc(16px + env(safe-area-inset-top, 0px)) var(--gutter) calc(24px + env(safe-area-inset-bottom, 0px)); background: color-mix(in srgb, var(--bg) 92%, transparent); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); align-content: start; gap: 8px; opacity: 0; pointer-events: none; transform: translateY(-12px); transition: opacity .3s var(--ease), transform .3s var(--ease); }
  .ik-mobile-menu.is-open { opacity: 1; pointer-events: all; transform: none; }
  .ik-mobile-menu .top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
  .ik-mobile-menu nav { display: grid; gap: 4px; }
  .ik-mobile-menu nav a { font: 700 26px/1.2 var(--display); color: var(--text); padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .ik-mobile-menu .ctas { display: grid; gap: 10px; margin-top: 20px; }
  .hero__grid, .score { grid-template-columns: minmax(0, 1fr); }
  .hero__copy { text-align: center; justify-items: center; }
  .hero__ctas, .hero__fine { justify-content: center; }
  .stage { max-width: 440px; order: -1; margin-bottom: -8px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .ik-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ik-footer__about { grid-column: 1 / -1; }
  .module-hero { grid-template-columns: minmax(0, 1fr); }
  .module-art { min-height: 180px; order: -1; }
}
@media (max-width: 720px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .app-side { display: none; }
  .app-main { padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }
  .tabbar {
    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    padding: 6px 6px calc(6px + env(safe-area-inset-bottom, 0px)); background: var(--glass-strong); border-top: 1px solid var(--line);
    -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
  }
  .tabbar a { display: grid; justify-items: center; gap: 4px; padding: 8px 2px; border-radius: 12px; font: 700 11px/1 var(--font); color: var(--text-3); }
  .tabbar a svg { width: 22px; height: 22px; }
  .tabbar a[aria-current="page"] { color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, transparent); }
  .app-top .lvl span { display: none; }
  .grid-3, .grid-2, .tiles { grid-template-columns: minmax(0, 1fr); }
  .welcome { grid-template-columns: minmax(0, 1fr); }
  .welcome .ik-mark { display: none; }
}
@media (max-width: 640px) {
  .bento { grid-template-columns: minmax(0, 1fr); }
  .bento > * { grid-column: auto !important; }
  .plans, .links { grid-template-columns: minmax(0, 1fr); }
  .float-chip { font-size: 12px; padding: 8px 10px; }
  .float-chip .ico { width: 28px; height: 28px; }
  .float-chip.c2 { right: 0; }
  .float-chip.c1 { display: none; }
  .ik-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .btn { padding: 13px 18px; }
  .hero__ctas .btn { flex: 1 1 100%; }
  .v-405 .req { left: -70px; }
}
@media (hover: none) { .tilt { transform: none !important; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; animation-delay: 0s !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .ik-intro__word span, .ik-intro__tag span, .ik-intro.is-svg .ik-mark * { opacity: 1 !important; }
  .ik-splash { display: none !important; }
  .js-anim .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   Native-app feel on phones and tablets
   ========================================================================== */
html { -webkit-tap-highlight-color: transparent; }
body { overscroll-behavior-y: none; }

/* header tightens and solidifies once you scroll */
.ik-header__bar { transition: padding .35s var(--ease), border-radius .35s var(--ease), background-color .35s, box-shadow .35s; }
.is-scrolled .ik-header__bar { background: var(--glass-strong); box-shadow: var(--shadow-lg); }

/* floating bottom dock (public site) */
.ik-dock { display: none; }

/* drag hint on the 3D logo (touch screens) */
.stage__hint {
  position: absolute; left: 50%; bottom: 2%; transform: translateX(-50%); display: none; align-items: center; gap: 8px;
  font: 700 12px/1 var(--font); color: var(--text-2); padding: 8px 12px; border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line);
  transition: opacity .4s;
}
.stage__hint i { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--blue); animation: ik-swipe 1.8s var(--ease) infinite; }
@keyframes ik-swipe { 0% { transform: translateX(-8px); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateX(10px); opacity: 0; } }
.stage.was-dragged .stage__hint, .stage.is-dragging .stage__hint { opacity: 0; }
.stage.is-dragging { cursor: grabbing; }
.stage.is-3d canvas { cursor: grab; }

/* swipe carousels + dots */
.dots { display: none; justify-content: center; gap: 8px; margin-top: 18px; }
.dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 99px; background: var(--line-2); cursor: pointer; transition: width .35s var(--ease), background .35s; }
.dots button[aria-current="true"] { width: 26px; background: var(--grad); }

/* mobile menu: big type, staggered entrance */
.ik-mobile-menu nav a { display: flex; justify-content: space-between; align-items: center; }
.ik-mobile-menu nav a svg { width: 22px; height: 22px; color: var(--blue); transition: transform .3s var(--ease); }
.ik-mobile-menu nav a:active svg { transform: translateX(6px); }

/* dashboard: center action button + quick actions sheet */
.tabbar__fab { display: none; }
.sheet { position: fixed; inset: 0; z-index: 90; }
.sheet__backdrop { position: absolute; inset: 0; background: rgba(8, 12, 40, .45); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); opacity: 0; transition: opacity .3s var(--ease); }
.sheet__panel {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 20px calc(24px + env(safe-area-inset-bottom, 0px));
  border-radius: 28px 28px 0 0; background: var(--glass-strong); border-top: 1px solid var(--glass-edge);
  -webkit-backdrop-filter: blur(24px) saturate(170%); backdrop-filter: blur(24px) saturate(170%); box-shadow: 0 -30px 80px -30px rgba(30, 40, 120, .45);
  transform: translateY(100%); transition: transform .45s cubic-bezier(.2, .9, .2, 1); display: grid; gap: 16px; max-width: 640px; margin: 0 auto;
}
.sheet.is-open .sheet__backdrop { opacity: 1; }
.sheet.is-open .sheet__panel { transform: none; }
.sheet__handle { justify-self: center; width: 44px; height: 5px; border-radius: 99px; background: var(--line-2); margin-bottom: 4px; }
.sheet h2 { font: 800 22px/1.2 var(--display); }
.sheet__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.sheet__grid a { display: grid; justify-items: center; gap: 8px; padding: 14px 6px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); color: var(--text); font: 700 13px/1.2 var(--font); text-align: center; }
.sheet__grid .ico-lg { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: #fff; background: var(--grad); }
.sheet__grid .ico-lg svg { width: 22px; height: 22px; }
.sheet__row { display: flex; align-items: center; gap: 12px; color: var(--text-2); font-weight: 600; }
.sheet__row form { margin-left: auto; }

@media (max-width: 860px) {
  .ik-dock {
    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); align-items: end;
    position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 70;
    padding: 6px; border-radius: 22px; background: var(--glass-strong); border: 1px solid var(--glass-edge);
    -webkit-backdrop-filter: blur(20px) saturate(170%); backdrop-filter: blur(20px) saturate(170%); box-shadow: var(--shadow-lg);
    transition: transform .4s var(--ease), opacity .4s;
  }
  .ik-dock a { display: grid; justify-items: center; gap: 4px; padding: 8px 2px; border-radius: 14px; font: 700 11px/1 var(--font); color: var(--text-3); }
  .ik-dock a svg { width: 22px; height: 22px; }
  .ik-dock a[aria-current="page"] { color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, transparent); }
  .ik-dock__cta { color: var(--text) !important; }
  .ik-dock__fab { width: 54px; height: 54px; margin-top: -26px; border-radius: 18px; display: grid; place-items: center; color: #fff; background: var(--grad); box-shadow: 0 14px 30px -10px color-mix(in srgb, var(--violet) 80%, transparent), 0 0 0 5px var(--bg); }
  .ik-dock__fab svg { width: 24px !important; height: 24px !important; }
  body.dock-hidden .ik-dock, body.menu-open .ik-dock { transform: translateY(140%); opacity: 0; }
  .ik-footer { padding-bottom: calc(120px + env(safe-area-inset-bottom, 0px)); }
  .ik-header { padding-top: calc(8px + env(safe-area-inset-top, 0px)); }
  .ik-header__bar { padding: 8px 8px 8px 14px; }
  .is-scrolled .ik-header__bar { padding-block: 6px; }

  .ik-mobile-menu { background: var(--bg); overflow: hidden; }
  .ik-mobile-menu::before { content: ""; position: absolute; width: 120vw; height: 120vw; right: -50vw; top: -40vw; border-radius: 50%; background: var(--grad); filter: blur(60px); opacity: .35; pointer-events: none; }
  .ik-mobile-menu > * { position: relative; }
  .ik-mobile-menu nav a { font-size: 34px; letter-spacing: -.03em; padding: 16px 4px; opacity: 0; transform: translateY(18px); }
  .ik-mobile-menu.is-open nav a { animation: ik-rise .55s var(--ease) calc(.08s + var(--i) * 70ms) forwards; }
  .ik-mobile-menu .ctas { opacity: 0; }
  .ik-mobile-menu.is-open .ctas { animation: ik-rise .55s var(--ease) .32s forwards; }
  .ik-mobile-menu .menu-close svg { transition: transform .4s var(--ease); }
  .ik-mobile-menu.is-open .menu-close svg { transform: rotate(90deg); }

  .stage__hint { display: inline-flex; }
  .stage { max-width: min(76vw, 420px); margin-bottom: -18px; }
  .hero h1 { font-size: clamp(40px, 11vw, 60px); }
  .steps { position: relative; gap: 14px; }
  .steps::before { content: ""; position: absolute; left: 47px; top: 40px; bottom: 40px; width: 3px; border-radius: 3px; background: var(--grad); opacity: .5; }
  .step { grid-template-columns: auto minmax(0, 1fr); column-gap: 16px; }
  .step .step__num, .step .badge { grid-row: span 2; position: relative; }
}
@media (max-width: 720px) {
  .tabbar { grid-template-columns: repeat(5, minmax(0, 1fr)); align-items: end; left: 10px; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom, 0px)); border-radius: 22px; border: 1px solid var(--glass-edge); box-shadow: var(--shadow-lg); padding: 6px; }
  .tabbar__fab { display: grid; justify-items: center; background: none; border: 0; padding: 0; cursor: pointer; }
  .tabbar__fab span { width: 56px; height: 56px; margin-top: -28px; border-radius: 18px; display: grid; place-items: center; color: #fff; background: var(--grad); box-shadow: 0 14px 30px -10px color-mix(in srgb, var(--violet) 80%, transparent), 0 0 0 5px var(--bg); transition: transform .3s var(--spring); }
  .tabbar__fab[aria-expanded="true"] span { transform: rotate(135deg) scale(.92); }
  .tabbar__fab svg { width: 26px; height: 26px; }
  .app-main { padding-bottom: calc(100px + env(safe-area-inset-bottom, 0px)); }
  .app-top { padding-inline: 16px; }
  .app-top h1 { font-size: 22px; }
  .welcome h2 { font-size: 28px; }
  .swipe-row { display: flex !important; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; margin-inline: calc(-1 * clamp(16px, 3vw, 32px)); padding: 4px clamp(16px, 3vw, 32px) 8px; scrollbar-width: none; }
  .swipe-row::-webkit-scrollbar { display: none; }
  .swipe-row > * { flex: 0 0 82%; scroll-snap-align: center; }
}
@media (max-width: 640px) {
  .swipe { display: flex !important; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; margin-inline: calc(-1 * var(--gutter)); padding: 6px var(--gutter) 14px; scrollbar-width: none; scroll-padding-inline: var(--gutter); }
  .swipe::-webkit-scrollbar { display: none; }
  .swipe > * { flex: 0 0 86%; scroll-snap-align: center; }
  .swipe + .dots { display: flex; }
  .plans.swipe > * { flex-basis: 84%; }
  .plan--hot { margin-top: 14px; }
  .hero { padding-top: 8px; }
  .section { padding-block: 56px; }
  .float-chip { transform: scale(.92); }
}
/* touch: physical press feedback */
@media (hover: none) {
  .btn:active, .tile:active, .card:active, .step:active, .plan:active, .links a:active, .sheet__grid a:active, .ik-dock a:active, .tabbar a:active, .app-link:active, .icon-btn:active { transform: scale(.96); transition: transform .12s ease; }
  .ik-dock__cta:active .ik-dock__fab, .tabbar__fab:active span { transform: scale(.9); }
}
@media (prefers-reduced-motion: reduce) {
  .ik-mobile-menu nav a, .ik-mobile-menu .ctas { opacity: 1 !important; transform: none !important; }
}