/* ==========================================================================
   Provision Strategy — core stylesheet
   1. Tokens          5. Header / nav
   2. Reset & base    6. Sections & components
   3. Typography      7. Forms
   4. Buttons         8. Footer
   ========================================================================== */

/* 1. Tokens ============================================================== */
/* Dark is the brand. The light theme is a genuine alternative rather than
   the default, so the palette is authored dark-first and inverted below. */
:root {
  /* Accent — a violet→cyan pair used as a gradient almost everywhere */
  --accent:        #8B5CF6;   /* violet */
  --accent-2:      #22D3EE;   /* cyan   */
  --accent-3:      #C084FC;   /* light violet, for text on dark */
  --accent-soft:   rgba(139, 92, 246, .14);
  --accent-glow:   rgba(139, 92, 246, .38);
  --grad:          linear-gradient(120deg, var(--accent) 0%, #6366F1 45%, var(--accent-2) 100%);
  --grad-soft:     linear-gradient(120deg, rgba(139,92,246,.18), rgba(34,211,238,.14));

  /* Ink scale — near-black charcoals */
  --ink-900:       #07070A;
  --ink-800:       #0A0A0F;
  --ink-700:       #101017;

  /* Surfaces */
  --bg:            #08080C;
  --bg-alt:        #0B0B11;
  --surface:       rgba(255, 255, 255, .038);
  --surface-2:     rgba(255, 255, 255, .062);
  --surface-3:     rgba(255, 255, 255, .095);
  --surface-solid: #101017;

  /* Text */
  --text:          #C5C8D4;
  --text-strong:   #FFFFFF;
  --muted:         #8B90A3;
  --muted-soft:    #676C7E;
  --on-dark:       #EDEEF3;

  /* Lines */
  --line:          rgba(255, 255, 255, .085);
  --line-strong:   rgba(255, 255, 255, .17);

  /* Glass */
  --glass-blur:    18px;
  --glass-bg:      rgba(255, 255, 255, .04);
  --glass-border:  rgba(255, 255, 255, .09);
  --glass-hi:      rgba(255, 255, 255, .12);   /* top highlight edge */

  /* Shadows double as glow on a dark ground */
  --shadow-sm:   0 1px 2px rgba(0,0,0,.5);
  --shadow-md:   0 8px 24px rgba(0,0,0,.5), 0 2px 8px rgba(0,0,0,.35);
  --shadow-lg:   0 24px 70px rgba(0,0,0,.62), 0 8px 24px rgba(0,0,0,.4);
  --glow:        0 0 0 1px rgba(139,92,246,.35), 0 12px 40px rgba(139,92,246,.28);

  /* Status */
  --ok:      #34D399;  --ok-bg:   rgba(52, 211, 153, .13);
  --warn:    #FBBF24;  --warn-bg: rgba(251, 191, 36, .13);
  --bad:     #FB7185;  --bad-bg:  rgba(251, 113, 133, .13);

  /* Type — geometric sans for display, no serif anywhere */
  --font-display: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont,
                  "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;

  /* Rhythm */
  --shell:   1240px;
  --gutter:  clamp(1.25rem, 4vw, 3rem);
  --radius:  14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Motion */
  --ease-out:  cubic-bezier(.22, 1, .36, 1);
  --ease-soft: cubic-bezier(.4, 0, .2, 1);
  --ease-back: cubic-bezier(.34, 1.56, .64, 1);
  --dur:       .45s;
  --header-h:  76px;
}

/* Light theme — same accents, inverted ground. */
[data-theme="light"] {
  --accent:        #6D28D9;
  --accent-2:      #0891B2;
  --accent-3:      #6D28D9;
  --accent-soft:   rgba(109, 40, 217, .09);
  --accent-glow:   rgba(109, 40, 217, .22);
  --grad:          linear-gradient(120deg, #6D28D9 0%, #4F46E5 45%, #0891B2 100%);
  --grad-soft:     linear-gradient(120deg, rgba(109,40,217,.10), rgba(8,145,178,.08));

  --ink-900:       #0A0A0F;
  --ink-800:       #12121A;
  --ink-700:       #1B1B25;

  --bg:            #FBFBFD;
  --bg-alt:        #F4F4F8;
  --surface:       rgba(255, 255, 255, .82);
  --surface-2:     rgba(15, 15, 25, .035);
  --surface-3:     rgba(15, 15, 25, .07);
  --surface-solid: #FFFFFF;

  --text:          #33384A;
  --text-strong:   #0B0B12;
  --muted:         #62687C;
  --muted-soft:    #878DA0;
  --on-dark:       #EDEEF3;

  --line:          rgba(11, 11, 18, .10);
  --line-strong:   rgba(11, 11, 18, .19);

  --glass-bg:      rgba(255, 255, 255, .72);
  --glass-border:  rgba(11, 11, 18, .09);
  --glass-hi:      rgba(255, 255, 255, .9);

  --shadow-sm:   0 1px 2px rgba(16, 16, 30, .05), 0 2px 8px rgba(16, 16, 30, .04);
  --shadow-md:   0 6px 18px rgba(16, 16, 30, .08), 0 18px 44px rgba(16, 16, 30, .07);
  --shadow-lg:   0 12px 34px rgba(16, 16, 30, .10), 0 34px 80px rgba(16, 16, 30, .12);
  --glow:        0 0 0 1px rgba(109,40,217,.22), 0 12px 36px rgba(109,40,217,.16);

  --ok:      #047857;  --ok-bg:   rgba(4, 120, 87, .10);
  --warn:    #B45309;  --warn-bg: rgba(180, 83, 9, .11);
  --bad:     #BE123C;  --bad-bg:  rgba(190, 18, 60, .10);
}

/* 2. Reset & base ======================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.65;
  font-feature-settings: "kern", "liga", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color .4s var(--ease-soft), color .4s var(--ease-soft);
}

body.is-locked { overflow: hidden; }

/* Ambient gradient mesh. Fixed, non-interactive, sits under all content. */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(48% 38% at 12% 6%,  rgba(139, 92, 246, .20), transparent 62%),
    radial-gradient(42% 34% at 88% 14%, rgba(34, 211, 238, .14), transparent 62%),
    radial-gradient(56% 46% at 68% 92%, rgba(99, 102, 241, .16), transparent 66%);
}
[data-theme="light"] body::before {
  background:
    radial-gradient(48% 38% at 12% 6%,  rgba(109, 40, 217, .09), transparent 62%),
    radial-gradient(42% 34% at 88% 14%, rgba(8, 145, 178, .07), transparent 62%),
    radial-gradient(56% 46% at 68% 92%, rgba(79, 70, 229, .07), transparent 66%);
}
/* Fine grain so the large flat areas do not band on cheap panels. */
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: .035;
  background-image: radial-gradient(rgba(255,255,255,.9) .5px, transparent .5px);
  background-size: 3px 3px;
}
[data-theme="light"] body::after { opacity: .022;
  background-image: radial-gradient(rgba(0,0,0,.9) .5px, transparent .5px); }

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

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: 50%; top: -100px; transform: translateX(-50%);
  z-index: 200; background: var(--ink-800); color: #fff;
  padding: .7rem 1.3rem; border-radius: 0 0 10px 10px; font-weight: 600;
  transition: top .25s var(--ease-out);
}
.skip-link:focus { top: 0; }

.shell {
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
}
.shell-wide { width: min(100% - (var(--gutter) * 2), 1440px); margin-inline: auto; }

.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;
}

/* Honeypot — visually gone, still in the DOM for bots to trip over. */
.hp-field {
  position: absolute !important; left: -9999px !important;
  width: 1px; height: 1px; opacity: 0; pointer-events: none;
}

/* 3. Typography ========================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-strong);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -.035em;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2.6rem, 6.4vw, 4.7rem); }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h3 { font-size: clamp(1.25rem, 2.1vw, 1.6rem); line-height: 1.2; }
h4 { font-size: 1.08rem; line-height: 1.3; letter-spacing: -.01em; }
p  { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono);
  font-size: .74rem; font-weight: 650; letter-spacing: .18em;
  text-transform: uppercase;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
  margin-bottom: 1.1rem;
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--accent); opacity: .7;
}
.eyebrow.is-centered::after {
  content: ""; width: 28px; height: 1px; background: var(--accent-2); opacity: .7;
}

.lead {
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
  color: var(--muted);
  line-height: 1.66;
  max-width: 60ch;
}

.muted { color: var(--muted); }
.accent { color: var(--accent); }

/* Emphasised word inside a heading, with a hand-drawn underline. */
.accent-word {
  position: relative; white-space: nowrap;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.accent-word svg {
  position: absolute; left: 0; bottom: -.14em; width: 100%; height: .3em;
  overflow: visible; pointer-events: none;
}
.accent-word svg path {
  fill: none; stroke: var(--accent-2); stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: 420; stroke-dashoffset: 420; opacity: .8;
}
.is-revealed .accent-word svg path,
.hero-title .accent-word svg path {
  animation: draw-underline 1.1s var(--ease-out) .55s forwards;
}

/* 4. Buttons ============================================================= */
.btn {
  --btn-bg: var(--grad);
  --btn-fg: #fff;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .92rem 1.7rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: .93rem; font-weight: 600; letter-spacing: -.008em;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  white-space: nowrap;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out),
              background-color .3s var(--ease-soft), color .3s var(--ease-soft),
              border-color .3s var(--ease-soft);
  will-change: transform;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, var(--accent-2), var(--accent));
  opacity: 0;
  transition: opacity .4s var(--ease-soft);
}
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, transparent 20%,
              rgba(255,255,255,.42) 50%, transparent 80%);
  transform: translateX(-130%);
  transition: transform .75s var(--ease-out);
}
.btn:hover::before, .btn:focus-visible::before { opacity: 1; }
.btn:hover::after, .btn:focus-visible::after { transform: translateX(130%); }
.btn:hover, .btn:focus-visible {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--accent-glow);
}
.btn:active { transform: translateY(0) scale(.985); }
.btn .btn-ico { transition: transform .35s var(--ease-out); }
.btn:hover .btn-ico { transform: translateX(3px); }

/* Outline button — glass fill, gradient edge on hover. */
.btn-ghost {
  --btn-bg: var(--glass-bg);
  --btn-fg: var(--text-strong);
  border-color: var(--line-strong);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}
.btn-ghost::before { background: var(--grad); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: transparent; }

/* Accent button — inverted: solid light on dark ground. */
.btn-accent { --btn-bg: #fff; --btn-fg: #0A0A0F; }
.btn-accent::before { background: var(--grad); }
.btn-accent:hover, .btn-accent:focus-visible { color: #fff; }
[data-theme="light"] .btn-accent { --btn-bg: var(--ink-900); --btn-fg: #fff; }

.btn-light {
  --btn-bg: rgba(255,255,255,.09); --btn-fg: #fff;
  border-color: rgba(255,255,255,.22);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}
.btn-light::before { background: var(--grad); }

.btn-sm  { padding: .6rem 1.15rem; font-size: .85rem; }
.btn-lg  { padding: 1.08rem 2.1rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn[disabled], .btn.is-busy { opacity: .6; pointer-events: none; }

/* Ripple injected by JS */
.ripple {
  position: absolute; border-radius: 50%; transform: scale(0);
  background: rgba(255, 255, 255, .38); pointer-events: none;
  animation: ripple .62s var(--ease-out) forwards; z-index: -1;
}

/* Text link with sliding underline */
.link-underline {
  position: relative; font-weight: 600; color: var(--text-strong);
  padding-bottom: 2px;
}
.link-underline::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1.5px;
  background: var(--grad); transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-out);
}
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* 5. Header / nav ======================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  height: var(--header-h);
  display: flex; align-items: center;
  background: transparent;
  transition: height .4s var(--ease-out), background-color .4s var(--ease-soft),
              box-shadow .4s var(--ease-soft), border-color .4s var(--ease-soft);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  height: 64px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header { transition-property: height, background-color, box-shadow, border-color, transform; }

.header-inner {
  width: min(100% - (var(--gutter) * 2), 1440px);
  margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}

/* Wordmark */
.brand { display: inline-flex; align-items: center; gap: .68rem; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-mark .mk-ring { fill: none; stroke: var(--accent); stroke-width: 5; }
.brand-mark .mk-p    { fill: var(--text-strong); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 600;
  letter-spacing: -.035em; color: var(--text-strong);
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: .55rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--muted-soft); margin-top: 4px; font-weight: 500;
}

.nav-desktop { display: flex; align-items: center; gap: .3rem; }
.nav-link {
  position: relative; padding: .55rem .95rem; border-radius: var(--radius-pill);
  font-size: .93rem; font-weight: 550; color: var(--muted);
  transition: color .25s var(--ease-soft), background-color .25s var(--ease-soft);
}
.nav-link:hover { color: var(--text-strong); background: var(--surface-2); }
.nav-link.is-active { color: var(--text-strong); }
.nav-link.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; translate: -50% 0;
  width: 5px; height: 5px; border-radius: 50%; background: var(--grad);
}

.header-actions { display: flex; align-items: center; gap: .6rem; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--glass-bg); cursor: pointer;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--text); transition: background-color .25s, border-color .25s, transform .25s var(--ease-out);
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--line-strong); transform: translateY(-1px); }
.icon-btn svg { width: 18px; height: 18px; }

.theme-toggle .ico-sun  { display: none; }
.theme-toggle .ico-moon { display: block; }
[data-theme="light"] .theme-toggle .ico-sun  { display: block; }
[data-theme="light"] .theme-toggle .ico-moon { display: none; }

/* Dashboard chip — only ever inserted for the admin session. */
.dash-chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .55rem 1.05rem; border-radius: var(--radius-pill);
  background: var(--grad); color: #fff; font-size: .87rem; font-weight: 600;
  border: 1px solid transparent;
  box-shadow: 0 4px 18px var(--accent-glow);
  animation: chip-in .5s var(--ease-back) both;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
[data-theme="light"] .dash-chip { background: var(--grad); color: #fff; }
.dash-chip:hover { transform: translateY(-2px); box-shadow: 0 8px 26px var(--accent-glow); }
.dash-chip svg { width: 15px; height: 15px; }

/* Mobile menu button */
.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  background: transparent; border-radius: 50%; cursor: pointer; position: relative; }
.burger { background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur)); }
.burger span {
  position: absolute; left: 50%; translate: -50% 0; width: 17px; height: 1.6px;
  background: var(--text-strong); border-radius: 2px;
  transition: transform .4s var(--ease-back), opacity .25s, width .3s;
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 21.2px; width: 12px; }
.burger span:nth-child(3) { top: 26.4px; }
.burger.is-open span:nth-child(1) { transform: translate(-50%, 5.2px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.burger.is-open span:nth-child(3) { transform: translate(-50%, -5.2px) rotate(-45deg); }

/* Full-screen mobile navigation */
.nav-mobile {
  position: fixed; inset: 0; z-index: 85;
  background: var(--bg);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--header-h) var(--gutter) 2rem;
  clip-path: circle(0% at calc(100% - 46px) 44px);
  transition: clip-path .7s var(--ease-out);
  visibility: hidden;
}
.nav-mobile.is-open { clip-path: circle(150% at calc(100% - 46px) 44px); visibility: visible; }
.nav-mobile ul { list-style: none; margin: 0; padding: 0; }
.nav-mobile li { overflow: hidden; }
.nav-mobile li a {
  display: block; padding: .42rem 0;
  font-family: var(--font-display); font-size: clamp(2.1rem, 9vw, 3rem);
  color: var(--text-strong); letter-spacing: -.03em;
  transform: translateY(110%);
  transition: transform .6s var(--ease-out), color .25s;
}
.nav-mobile.is-open li a { transform: translateY(0); }
.nav-mobile.is-open li:nth-child(1) a { transition-delay: .16s; }
.nav-mobile.is-open li:nth-child(2) a { transition-delay: .22s; }
.nav-mobile.is-open li:nth-child(3) a { transition-delay: .28s; }
.nav-mobile.is-open li:nth-child(4) a { transition-delay: .34s; }
.nav-mobile.is-open li:nth-child(5) a { transition-delay: .40s; }
.nav-mobile.is-open li:nth-child(6) a { transition-delay: .46s; }
.nav-mobile li a:active {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.nav-mobile-foot {
  margin-top: auto; padding-top: 2rem; border-top: 1px solid var(--line);
  display: grid; gap: .85rem; opacity: 0; transform: translateY(20px);
  transition: opacity .5s .5s, transform .5s .5s var(--ease-out);
}
.nav-mobile.is-open .nav-mobile-foot { opacity: 1; transform: none; }

/* 6. Sections & components ============================================== */
.section { padding: clamp(4.5rem, 10vw, 8.5rem) 0; position: relative; }
.section-tight { padding: clamp(3rem, 6vw, 5rem) 0; }
.section-alt { background: var(--bg-alt); position: relative; }
/* Hairline dividers between stacked sections keep the dark ground legible. */
.section-alt::before, .section-alt::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}
.section-alt::before { top: 0; }
.section-alt::after  { bottom: 0; }
.section-dark {
  position: relative; background: var(--ink-900); color: var(--on-dark);
  --text: #C5C8D4; --text-strong: #fff; --muted: #8B90A3;
  --line: rgba(255,255,255,.11); --line-strong: rgba(255,255,255,.22);
  --surface: rgba(255,255,255,.05); --surface-2: rgba(255,255,255,.08);
  --glass-bg: rgba(255,255,255,.05); --glass-border: rgba(255,255,255,.1);
  overflow: hidden;
}
.section-dark::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(50% 60% at 15% 0%, rgba(139,92,246,.22), transparent 65%),
    radial-gradient(45% 55% at 88% 100%, rgba(34,211,238,.16), transparent 65%);
}
.section-dark > * { position: relative; }
.section-head { max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head.is-centered { margin-inline: auto; text-align: center; }

.hair { height: 1px; background: var(--line); border: 0; margin: 0; }

/* Hero -------------------------------------------------------------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 4rem) 0 4rem;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(52% 44% at 76% 10%, rgba(139,92,246,.26), transparent 66%),
    radial-gradient(46% 40% at 6% 84%, rgba(34,211,238,.16), transparent 68%);
}
[data-theme="light"] .hero-bg::before {
  background:
    radial-gradient(52% 44% at 76% 10%, rgba(109,40,217,.12), transparent 66%),
    radial-gradient(46% 40% at 6% 84%, rgba(8,145,178,.09), transparent 68%);
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(72% 62% at 50% 42%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(72% 62% at 50% 42%, #000 20%, transparent 78%);
  opacity: .55;
}
.hero-inner { position: relative; z-index: 1; }
.hero-layout {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.hero-title { margin-bottom: 1.4rem; }
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span { display: block; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.1rem; }
.hero-proof {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem;
  margin-top: 3rem; padding-top: 1.8rem; border-top: 1px solid var(--line);
}
.hero-proof-item { display: flex; flex-direction: column; gap: .1rem; }
.hero-proof-num {
  font-family: var(--font-display); font-size: 1.9rem; font-weight: 600;
  letter-spacing: -.04em; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero-proof-label { font-size: .78rem; color: var(--muted); letter-spacing: .04em; }

/* Floating stat card next to the hero copy */
.hero-panel {
  position: relative; padding: 2rem; border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-hi);
}
/* Corner bracket. Only the two outer edges are drawn, because the panel's
   float animation creates a stacking context that z-index:-1 cannot escape. */
.hero-panel::after {
  content: ""; position: absolute; inset: auto -16px -16px auto;
  width: 120px; height: 120px;
  border: 0;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  border-bottom-right-radius: var(--radius-lg);
  opacity: .4; pointer-events: none;
}
.panel-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .95rem 0; border-bottom: 1px dashed var(--line); }
.panel-row:last-of-type { border-bottom: 0; }
.panel-metric {
  font-family: var(--font-display); font-size: 1.5rem; letter-spacing: -.03em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.panel-bar { height: 5px; border-radius: 4px; background: var(--surface-3); overflow: hidden; }
.panel-bar i { display: block; height: 100%; width: 0; border-radius: 4px;
  background: var(--grad); box-shadow: 0 0 12px var(--accent-glow);
  transition: width 1.5s var(--ease-out); }

/* Marquee ------------------------------------------------------------ */
.marquee {
  overflow: hidden; padding: 1.6rem 0; border-block: 1px solid var(--line);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 3.5rem; width: max-content;
  animation: marquee 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .82rem; letter-spacing: .16em; text-transform: uppercase;
  font-weight: 600; color: var(--muted-soft); white-space: nowrap;
}
.marquee-item::before { content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 8px var(--accent-glow); }

/* Cards -------------------------------------------------------------- */
.grid { display: grid; gap: clamp(1rem, 2.2vw, 1.6rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative; padding: clamp(1.5rem, 2.6vw, 2.1rem);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); overflow: hidden;
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out),
              border-color .4s var(--ease-soft);
}
/* Cursor-following spotlight. */
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%),
              rgba(139, 92, 246, .16), transparent 62%);
  transition: opacity .4s var(--ease-soft); pointer-events: none;
}
/* Gradient edge that lights up on hover. */
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  padding: 1px; opacity: 0; pointer-events: none;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity .4s var(--ease-soft);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md), 0 12px 40px var(--accent-glow),
              inset 0 1px 0 var(--glass-hi);
}
.card:hover::before, .card:hover::after { opacity: 1; }
.card-num {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em;
  margin-bottom: 1.1rem; display: block;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.card-ico {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  background: var(--grad-soft); color: var(--accent-3);
  border: 1px solid var(--glass-border); margin-bottom: 1.2rem;
  transition: transform .5s var(--ease-back), box-shadow .4s var(--ease-soft);
}
.card:hover .card-ico, .contact-tile:hover .card-ico {
  box-shadow: 0 6px 20px var(--accent-glow);
}
.card:hover .card-ico { transform: rotate(-8deg) scale(1.08); }
.card-ico svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: .55rem; }
.card p { color: var(--muted); font-size: .95rem; margin-bottom: 0; }
.card-list { list-style: none; margin: 1.2rem 0 0; padding: 0; display: grid; gap: .5rem; }
.card-list li { position: relative; padding-left: 1.35rem; font-size: .89rem; color: var(--muted); }
.card-list li::before {
  content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px;
  border: 1.5px solid var(--accent-2); border-top: 0; border-left: 0;
  transform: rotate(45deg) translateY(-2px);
}

/* Process steps ------------------------------------------------------- */
.steps { counter-reset: step; display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 84px minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1rem, 3vw, 2.5rem); align-items: start;
  padding: clamp(1.6rem, 3vw, 2.4rem) 0; border-top: 1px solid var(--line);
  transition: background-color .4s var(--ease-soft);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step:hover { background: var(--surface-2); }
.step-num {
  font-family: var(--font-mono); font-size: 1.6rem; line-height: 1;
  letter-spacing: -.02em; font-weight: 500;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.step h3 { margin-bottom: .3rem; }
.step p { color: var(--muted); font-size: .95rem; margin: 0; }
.step-meta { font-size: .82rem; color: var(--muted-soft); letter-spacing: .04em; }

/* Stats band --------------------------------------------------------- */
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); overflow: hidden; }
.stat-cell {
  background: var(--glass-bg); padding: clamp(1.5rem, 3vw, 2.4rem); text-align: center;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: background-color .35s var(--ease-soft);
}
.stat-cell:hover { background: var(--surface-2); }
.stat-num {
  font-family: var(--font-display); font-size: clamp(2.2rem, 4.4vw, 3.3rem);
  line-height: 1; letter-spacing: -.045em; font-weight: 600;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.stat-label { font-size: .84rem; color: var(--muted); margin-top: .6rem; }

/* Testimonials ------------------------------------------------------- */
.stars { display: inline-flex; gap: 2px; color: var(--accent-2); }
.stars svg { width: 15px; height: 15px; }
.stars .is-empty { color: var(--line-strong); }

.quote-card {
  display: flex; flex-direction: column; gap: 1.1rem;
  padding: clamp(1.6rem, 2.6vw, 2.2rem);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); height: 100%;
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  box-shadow: inset 0 1px 0 var(--glass-hi);
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out),
              border-color .4s var(--ease-soft);
}
.quote-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--glass-border));
  box-shadow: var(--shadow-md), 0 10px 34px var(--accent-glow),
              inset 0 1px 0 var(--glass-hi);
}
.quote-mark { font-family: var(--font-display); font-size: 3rem; line-height: .6;
  color: var(--accent); opacity: .45; height: .6em; }
.quote-body { font-size: .98rem; color: var(--text); margin: 0; }
.quote-body.is-clamped {
  display: -webkit-box; -webkit-line-clamp: 7; -webkit-box-orient: vertical;
  overflow: hidden;
}
.quote-foot { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: .85rem; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%; flex: none; display: grid;
  place-items: center; background: var(--grad); color: #fff;
  font-weight: 650; font-size: .9rem; letter-spacing: .02em;
}

.quote-name { font-weight: 650; font-size: .92rem; color: var(--text-strong); }
.quote-role { font-size: .8rem; color: var(--muted); }
.quote-tag {
  margin-left: auto; font-family: var(--font-mono);
  font-size: .64rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-3); border: 1px solid var(--glass-border);
  background: var(--grad-soft); padding: .22rem .6rem;
  border-radius: var(--radius-pill);
}

/* Rating summary ----------------------------------------------------- */
.rating-summary {
  display: grid; grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center;
  padding: clamp(1.6rem, 3vw, 2.4rem);
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  box-shadow: inset 0 1px 0 var(--glass-hi);
}
.rating-score {
  font-family: var(--font-display); font-size: clamp(3.4rem, 8vw, 4.6rem);
  line-height: 1; letter-spacing: -.055em; font-weight: 600;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.rating-bars { display: grid; gap: .55rem; }
.rating-bar-row { display: grid; grid-template-columns: 54px 1fr 44px;
  align-items: center; gap: .8rem; font-size: .84rem; color: var(--muted); }
.rating-bar { height: 7px; border-radius: 4px; background: var(--surface-3); overflow: hidden; }
.rating-bar i { display: block; height: 100%; width: 0; border-radius: 4px;
  background: var(--grad); box-shadow: 0 0 10px var(--accent-glow);
  transition: width 1.1s var(--ease-out); }

/* FAQ ---------------------------------------------------------------- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: 1.4rem 0; background: none; border: 0; cursor: pointer;
  text-align: left; font-family: var(--font-display); font-size: 1.08rem;
  letter-spacing: -.02em;
  color: var(--text-strong); transition: color .25s;
}
.faq-q:hover { color: var(--accent-3); }
.faq-sign { position: relative; width: 18px; height: 18px; flex: none; }
.faq-sign::before, .faq-sign::after {
  content: ""; position: absolute; inset: 50% 0 auto 0; height: 1.6px;
  background: var(--accent-2); border-radius: 2px; transition: transform .4s var(--ease-back);
}
.faq-sign::after { transform: rotate(90deg); }
.faq-item.is-open .faq-sign::after { transform: rotate(0); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease-out); }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p { color: var(--muted); padding-bottom: 1.4rem; margin: 0; font-size: .96rem; }

/* CTA band ----------------------------------------------------------- */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: var(--ink-900); color: #fff;
  border: 1px solid var(--glass-border);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: -50%;
  background: conic-gradient(from 0deg, transparent,
              rgba(139,92,246,.34), rgba(34,211,238,.22), transparent 48%);
  animation: slow-spin 18s linear infinite;
}
.cta-band::after {
  content: ""; position: absolute; inset: 1px; border-radius: inherit;
  background: var(--ink-900);
}
.cta-band > * { position: relative; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.72); margin-inline: auto; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .85rem; justify-content: center;
  margin-top: 2rem; }

/* Contact strip ------------------------------------------------------ */
.contact-tile {
  display: flex; gap: 1rem; padding: 1.4rem; border-radius: var(--radius);
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: border-color .3s, transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.contact-tile:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--glass-border));
  transform: translateY(-3px);
  box-shadow: 0 10px 30px var(--accent-glow);
}
.contact-tile .card-ico { margin-bottom: 0; width: 40px; height: 40px; }
.contact-tile-label { font-family: var(--font-mono); font-size: .68rem;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted-soft); font-weight: 500; }
.contact-tile-value { font-weight: 600; color: var(--text-strong); font-size: 1rem;
  word-break: break-word; }
.contact-tile-note { font-size: .8rem; color: var(--muted); }

/* Toast -------------------------------------------------------------- */
.toast-stack {
  position: fixed; z-index: 300; right: var(--gutter); bottom: var(--gutter);
  display: grid; gap: .6rem; max-width: min(380px, calc(100vw - 2rem));
}
.toast {
  display: flex; gap: .75rem; align-items: flex-start;
  padding: .95rem 1.1rem; border-radius: var(--radius);
  background: var(--surface-solid); border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-lg); font-size: .9rem;
  animation: toast-in .45s var(--ease-back) both;
}
.toast.is-out { animation: toast-out .35s var(--ease-soft) both; }
.toast-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: .45em; flex: none; }
.toast.ok    .toast-dot { background: var(--ok); }
.toast.error .toast-dot { background: var(--bad); }
.toast.info  .toast-dot { background: var(--grad); }

/* Modal -------------------------------------------------------------- */
.modal {
  position: fixed; inset: 0; z-index: 250; display: grid; place-items: center;
  padding: var(--gutter); opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease-soft), visibility .3s;
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(4, 4, 8, .74);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.modal-panel {
  position: relative; width: min(440px, 100%); padding: 2rem;
  background: var(--surface-solid); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-hi);
  text-align: center; transform: translateY(22px) scale(.96);
  transition: transform .45s var(--ease-back);
}
.modal.is-open .modal-panel { transform: none; }
.modal-close {
  position: absolute; top: 12px; right: 12px; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--glass-border);
  background: var(--surface-2); cursor: pointer;
  display: grid; place-items: center; color: var(--muted);
}
.modal-close:hover { background: var(--surface-3); color: var(--text-strong); }
.modal-phone {
  font-family: var(--font-display); font-size: clamp(1.8rem, 5vw, 2.4rem);
  letter-spacing: -.04em; margin: .4rem 0 .2rem; user-select: all;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* Badges / pills ----------------------------------------------------- */
.pill {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .3rem .7rem; border-radius: var(--radius-pill);
  font-size: .74rem; font-weight: 650; letter-spacing: .02em;
}
.pill-ok   { background: var(--ok-bg);   color: var(--ok); }
.pill-warn { background: var(--warn-bg); color: var(--warn); }
.pill-bad  { background: var(--bad-bg);  color: var(--bad); }
.pill-accent { background: var(--grad-soft); color: var(--accent-3); }

.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  padding: .48rem 1rem; border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  font-size: .85rem; font-weight: 550; color: var(--muted); cursor: pointer;
  transition: all .25s var(--ease-soft);
}
.chip:hover { border-color: var(--line-strong); color: var(--text-strong); }
.chip.is-active {
  background: var(--grad); border-color: transparent; color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}


/* Empty state -------------------------------------------------------- */
.empty {
  text-align: center; padding: clamp(2.5rem, 6vw, 4.5rem) 1.5rem;
  border: 1px dashed var(--line-strong); border-radius: var(--radius-lg);
  color: var(--muted);
}
.empty svg { width: 42px; height: 42px; color: var(--accent-3); margin: 0 auto 1rem; opacity: .8; }

/* Skeleton loaders --------------------------------------------------- */
.skeleton {
  border-radius: var(--radius-lg); background: var(--surface-2);
  border: 1px solid var(--glass-border);
  position: relative; overflow: hidden;
}
.skeleton::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent,
    color-mix(in srgb, var(--surface-3) 90%, transparent), transparent);
  animation: shimmer 1.5s infinite;
}
.skeleton-card { height: 220px; }

/* 7. Forms =============================================================== */
.form-grid { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .45rem; }
.field label { font-size: .82rem; font-weight: 600; color: var(--text-strong); letter-spacing: .01em; }
.field .hint { font-size: .78rem; color: var(--muted-soft); }
.field .req { color: var(--accent-2); }

.input, .textarea, .select {
  width: 100%; padding: .85rem 1rem;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  font: inherit; font-size: .95rem;
  transition: border-color .25s, box-shadow .25s, background-color .25s;
  -webkit-appearance: none; appearance: none;
}
.textarea { min-height: 148px; resize: vertical; line-height: 1.6; }
.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B90A3' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; background-size: 16px;
  padding-right: 2.6rem; cursor: pointer;
}
.input:hover, .textarea:hover, .select:hover { border-color: var(--muted-soft); }
.input:focus, .textarea:focus, .select:focus {
  outline: none; border-color: var(--accent);
  background: var(--surface-3);
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 22px var(--accent-glow);
}
.input.is-invalid, .textarea.is-invalid, .select.is-invalid {
  border-color: var(--bad); box-shadow: 0 0 0 4px var(--bad-bg);
}
.field-error { font-size: .8rem; color: var(--bad); min-height: 0; }
.char-count { font-size: .74rem; color: var(--muted-soft); text-align: right;
  font-variant-numeric: tabular-nums; }
.char-count.is-over { color: var(--bad); }

/* Star rating input */
.star-input { display: flex; gap: .3rem; align-items: center; }
.star-input input { position: absolute; opacity: 0; width: 0; height: 0; }
.star-input label {
  cursor: pointer; color: var(--line-strong); padding: 2px;
  transition: transform .25s var(--ease-back), color .2s;
}
.star-input label svg { width: 30px; height: 30px; display: block; }
.star-input label:hover { transform: scale(1.18); }
.star-input.is-set label.is-lit {
  color: var(--accent-2);
  filter: drop-shadow(0 0 6px var(--accent-glow));
}
.star-value { margin-left: .6rem; font-size: .85rem; color: var(--muted); font-weight: 600; }

.form-note {
  font-size: .82rem; color: var(--muted); display: flex; gap: .55rem;
  align-items: flex-start; padding: .9rem 1rem; border-radius: var(--radius);
  background: var(--grad-soft); border: 1px solid var(--glass-border);
}
.form-note svg { width: 16px; height: 16px; flex: none; margin-top: .18em; color: var(--accent-3); }

/* Spinner inside busy buttons */
.spinner {
  width: 15px; height: 15px; border-radius: 50%;
  border: 2px solid currentColor; border-top-color: transparent;
  animation: spin .7s linear infinite; display: none;
}
.btn.is-busy .spinner { display: block; }
.btn.is-busy .btn-label { opacity: .75; }

/* 8. Footer ============================================================== */
.site-footer {
  position: relative; overflow: hidden;
  background: var(--ink-900); color: #8B90A3;
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 2rem; margin-top: 0;
  border-top: 1px solid var(--glass-border);
}
.site-footer::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 70% at 20% 0%, rgba(139,92,246,.16), transparent 66%);
}
.site-footer > * { position: relative; }
.footer-top {
  display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.8rem, 4vw, 3rem); padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.site-footer .brand-name { color: #fff; }
.site-footer .brand-sub  { color: rgba(255,255,255,.45); }
.site-footer .brand-mark .mk-p { fill: #fff; }
.footer-blurb { font-size: .92rem; color: #8B90A3; margin: 1.2rem 0 1.5rem; max-width: 34ch; }
.footer-col h4 { color: #fff; font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: .18em; text-transform: uppercase; margin-bottom: 1.1rem; font-weight: 500; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.footer-col a { font-size: .92rem; color: #8B90A3; transition: color .25s, padding-left .25s; }
.footer-col a:hover { color: var(--accent-2); padding-left: 4px; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  align-items: center; padding-top: 1.8rem; font-size: .82rem; color: #74809A;
}
.footer-legal { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-addr { font-style: normal; font-size: .92rem; color: #8B90A3; line-height: 1.8; }
.footer-addr a:hover { color: var(--accent-2); }

/* Back-to-top */
.to-top {
  position: fixed; right: var(--gutter); bottom: var(--gutter); z-index: 80;
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #fff; border: 0; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all .4s var(--ease-out); box-shadow: var(--shadow-md);
}

.to-top.is-shown { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { transform: translateY(-3px); box-shadow: 0 10px 28px var(--accent-glow); }