/* ==========================================================================
   AlphergMirai — Dawn Nebula design system
   style.css
   --------------------------------------------------------------------------
   0.  Tokens
   1.  Reset & base
   2.  Layout primitives
   3.  Typography
   4.  Buttons & links
   5.  Header / navigation
   6.  Nebula backdrop
   7.  Hero
   8.  Marquee
   9.  Cards & grids
   10. Approach / steps
   11. Stack
   12. Products
   13. CTA band
   14. Legal / prose pages
   15. Support page (FAQ + form)
   16. Footer
   17. Motion & reveal
   18. Responsive
   ========================================================================== */

/* 0. Tokens ============================================================== */
:root {
  /* Surfaces */
  --ivory:        #FBF8F4;
  --ivory-2:      #F4EFE9;
  --paper:        #FFFFFF;
  --paper-warm:   #FFFDFB;

  /* Ink */
  --ink:          #1A1726;
  --ink-2:        #3C3652;
  --ink-soft:     #625C7A;
  --ink-faint:    #8E88A5;

  /* Nebula accents */
  --violet:       #6C4CE0;
  --violet-deep:  #4B2FB0;
  --violet-soft:  #EDE7FE;
  --rose:         #E8709A;
  --rose-soft:    #FDEAF1;
  --amber:        #F2A65A;
  --amber-soft:   #FDF0E2;
  --teal:         #3FB8AF;

  /* Lines & shadow */
  --line:         rgba(26, 23, 38, 0.09);
  --line-strong:  rgba(26, 23, 38, 0.16);
  --shadow-sm:    0 1px 2px rgba(26,23,38,.05), 0 4px 12px rgba(26,23,38,.04);
  --shadow-md:    0 2px 6px rgba(26,23,38,.05), 0 14px 40px rgba(26,23,38,.07);
  --shadow-lg:    0 4px 12px rgba(26,23,38,.06), 0 30px 70px rgba(75,47,176,.12);

  /* Type */
  --font-display: "Fraunces", "Times New Roman", Georgia, serif;
  --font-body:    "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Rhythm */
  --radius-sm:    10px;
  --radius:       18px;
  --radius-lg:    28px;
  --radius-xl:    38px;
  --container:    1180px;
  --gutter:       24px;
  --section-y:    clamp(64px, 9vw, 132px);

  --ease:         cubic-bezier(.22, 1, .36, 1);
}

/* 1. Reset & base ======================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.68;
  font-weight: 400;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

/* the hidden attribute must beat any display rule set further down */
[hidden] { display: none !important; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

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

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

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff;
  padding: 12px 20px; border-radius: 0 0 var(--radius-sm) 0;
  z-index: 999; font-weight: 600;
}
.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 2. Layout primitives =================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 820px; }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 84px); }
.section--paper { background: var(--paper-warm); border-block: 1px solid var(--line); }

.section-head { max-width: 680px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--violet-deep);
  margin: 0 0 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px;
  background: linear-gradient(90deg, var(--violet), var(--rose));
}
.section-head--center .eyebrow::before { display: none; }

.stack-gap > * + * { margin-top: 18px; }

/* 3. Typography ========================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-optical-sizing: auto;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(2.5rem, 6.2vw, 4.4rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.95rem, 3.9vw, 3rem); letter-spacing: -0.028em; }
h3 { font-size: clamp(1.2rem, 1.9vw, 1.5rem); letter-spacing: -0.018em; }
h4 { font-size: 1.05rem; font-family: var(--font-body); font-weight: 700; letter-spacing: -0.01em; }

p { margin: 0 0 1.1em; color: var(--ink-2); }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: clamp(1.06rem, 1.7vw, 1.26rem);
  line-height: 1.62;
  color: var(--ink-soft);
}

.text-gradient {
  background: linear-gradient(105deg, var(--violet) 0%, var(--rose) 48%, var(--amber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mono {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* 4. Buttons & links ===================================================== */
a { color: var(--violet-deep); text-decoration-color: rgba(108,76,224,.32); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body);
  font-size: .95rem; font-weight: 700; letter-spacing: -0.005em;
  padding: 15px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              background-color .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(120deg, var(--violet) 0%, var(--violet-deep) 55%, #6E3AAE 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(75,47,176,.26);
}
.btn--primary:hover { box-shadow: 0 12px 32px rgba(75,47,176,.34); }

.btn--ghost {
  background: rgba(255,255,255,.7);
  color: var(--ink);
  border-color: var(--line-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: #fff; border-color: var(--violet); color: var(--violet-deep); }

.btn--sm { padding: 11px 20px; font-size: .86rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; font-size: .92rem;
  text-decoration: none; color: var(--violet-deep);
}
.link-arrow svg { transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* 5. Header / navigation ================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  transition: background-color .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(251,248,244,.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 24px rgba(26,23,38,.05);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 76px;
}

.brand {
  display: inline-flex; align-items: center; gap: 11px;
  text-decoration: none; color: var(--ink);
  font-weight: 800; font-size: 1.02rem; letter-spacing: -0.02em;
  flex-shrink: 0;
}
.brand__mark { width: 30px; height: 30px; flex-shrink: 0; }
.brand__name { display: inline-block; }
.brand__name em { font-style: normal; color: var(--violet-deep); }

.nav__links {
  display: flex; align-items: center; gap: 4px;
  list-style: none; margin: 0; padding: 0;
}
.nav__links a {
  display: inline-block;
  padding: 9px 14px; border-radius: 999px;
  font-size: .92rem; font-weight: 600;
  color: var(--ink-2); text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}
.nav__links a:hover { background: rgba(108,76,224,.08); color: var(--violet-deep); }
.nav__links a[aria-current="page"] { color: var(--violet-deep); background: var(--violet-soft); }

.nav__actions { display: flex; align-items: center; gap: 10px; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line-strong);
  border-radius: 12px; cursor: pointer;
  padding: 0;
}
.nav__toggle span {
  display: block; position: relative;
  width: 18px; height: 1.6px; background: var(--ink); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s ease;
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 1.6px; background: var(--ink); border-radius: 2px;
  transition: transform .3s var(--ease);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after  { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

.nav__drawer { display: none; }

/* 6. Nebula backdrop ===================================================== */
.nebula {
  position: absolute; inset: 0;
  overflow: hidden; pointer-events: none; z-index: 0;
}
.nebula::before,
.nebula::after {
  content: ""; position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: .55;
}
.nebula::before {
  width: 62vw; height: 62vw; max-width: 780px; max-height: 780px;
  top: -24%; right: -14%;
  background: radial-gradient(circle at 35% 35%, rgba(108,76,224,.55), rgba(108,76,224,0) 68%);
  animation: drift 26s var(--ease) infinite alternate;
}
.nebula::after {
  width: 52vw; height: 52vw; max-width: 640px; max-height: 640px;
  bottom: -28%; left: -12%;
  background: radial-gradient(circle at 60% 40%, rgba(232,112,154,.5), rgba(242,166,90,.28) 45%, rgba(242,166,90,0) 70%);
  animation: drift 32s var(--ease) infinite alternate-reverse;
}
@keyframes drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(-4%, 5%, 0) scale(1.12); }
}

#starfield {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 1; pointer-events: none;
}

/* 7. Hero ================================================================ */
.hero {
  position: relative;
  padding-top: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(60px, 8vw, 116px);
  overflow: hidden;
}
.hero .container { position: relative; z-index: 2; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(20px, 3vw, 44px);
  align-items: center;
}
.hero__inner { max-width: 640px; }

.hero__visual {
  position: relative;
  width: 100%;
  max-width: 660px;
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  /* the section clips overflow, so a little bleed past the grid is safe
     and keeps the orbits from feeling boxed in */
  margin-right: calc(-1 * clamp(0px, 3.5vw, 60px));
}
.hero__visual::before {
  content: "";
  position: absolute; inset: -4%;
  background: url("../assets/hero-visual.png") center / contain no-repeat;
  opacity: .58;
  animation: breathe 16s ease-in-out infinite alternate;
}
.hero__orb {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero__orb canvas { display: block; width: 100% !important; height: 100% !important; }

@keyframes breathe {
  from { transform: scale(1) rotate(0deg); }
  to   { transform: scale(1.055) rotate(6deg); }
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 8px 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: .8rem; font-weight: 600; color: var(--ink-2);
  margin-bottom: 26px;
}
.hero__badge b {
  background: var(--ink); color: #fff;
  padding: 3px 10px; border-radius: 999px;
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 700;
}

.hero h1 { margin-bottom: 24px; font-size: clamp(2.35rem, 4.5vw, 3.65rem); }
.hero__lead { max-width: 620px; margin-bottom: 36px; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
.hero__inner > * { animation: rise .8s var(--ease) both; }
.hero__inner > *:nth-child(1) { animation-delay: .05s; }
.hero__inner > *:nth-child(2) { animation-delay: .14s; }
.hero__inner > *:nth-child(3) { animation-delay: .23s; }
.hero__inner > *:nth-child(4) { animation-delay: .32s; }
.hero__visual { animation: rise 1.1s var(--ease) .18s both; }

.hero__meta {
  display: flex; flex-wrap: wrap; gap: 14px 38px;
  margin-top: 54px; padding-top: 30px;
  border-top: 1px solid var(--line);
}
.hero__meta div { min-width: 120px; }
.hero__meta strong {
  display: block;
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.85rem; line-height: 1.1; color: var(--ink);
  letter-spacing: -0.03em;
}
.hero__meta span { font-size: .84rem; color: var(--ink-faint); font-weight: 500; }

/* 8. Marquee ============================================================= */
.marquee {
  position: relative;
  border-block: 1px solid var(--line);
  background: var(--paper-warm);
  padding-block: 18px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.marquee__track {
  display: flex; width: max-content;
  animation: marquee 44s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group {
  display: flex; align-items: center; gap: 44px;
  padding-right: 44px; flex-shrink: 0;
}
.marquee__item {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .82rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint); white-space: nowrap;
}
.marquee__item::after {
  content: "✦"; color: var(--rose); font-size: .7rem; letter-spacing: 0;
}
@keyframes marquee {
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(-50%,0,0); }
}

/* 9. Cards & grids ======================================================= */
.grid { display: grid; gap: 20px; }
.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 {
  --mx: 50%; --my: 0%;
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s ease;
  overflow: hidden;
  height: 100%;
}
.card::after {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: linear-gradient(140deg, rgba(108,76,224,.06), rgba(232,112,154,.05) 55%, transparent 75%);
  opacity: 0; transition: opacity .45s var(--ease);
}
.card::before {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none; z-index: 0;
  background: radial-gradient(260px circle at var(--mx) var(--my), rgba(108,76,224,.14), transparent 68%);
  opacity: 0; transition: opacity .4s var(--ease);
}
.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(108,76,224,.22); }
.card:hover::after { opacity: 1; }

.card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 14px;
  margin-bottom: 20px;
  background: var(--violet-soft);
  color: var(--violet-deep);
  position: relative; z-index: 1;
}
.card__icon svg { width: 22px; height: 22px; }
.card__icon--rose  { background: var(--rose-soft);  color: #C4426F; }
.card__icon--amber { background: var(--amber-soft); color: #B9702A; }
.card__icon--teal  { background: #E1F5F3;           color: #1E7F78; }

.card h3 { margin-bottom: 10px; position: relative; z-index: 1; }
.card p { font-size: .95rem; color: var(--ink-soft); margin: 0; position: relative; z-index: 1; }

.card__tags {
  display: flex; flex-wrap: wrap; gap: 7px;
  margin: 18px 0 0; padding: 0; list-style: none;
  position: relative; z-index: 1;
}
.card__tags li {
  font-size: .72rem; font-weight: 600; letter-spacing: .02em;
  color: var(--ink-soft);
  background: var(--ivory-2);
  border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 999px;
}

/* 10. Approach / steps =================================================== */
.steps { counter-reset: step; display: grid; gap: 18px; }
.step {
  position: relative;
  display: grid; grid-template-columns: 62px 1fr; gap: 22px; align-items: start;
  padding: 26px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.step__num {
  counter-increment: step;
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 500;
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--rose));
  box-shadow: 0 6px 18px rgba(108,76,224,.25);
}
.step__num::before { content: counter(step, decimal-leading-zero); }
.step h3 { margin-bottom: 8px; }
.step p  { margin: 0; font-size: .95rem; color: var(--ink-soft); }

/* 11. Stack ============================================================== */
.stack-groups { display: grid; gap: 18px; }
.stack-group {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.stack-group h4 { margin: 0 0 14px; color: var(--violet-deep); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li {
  font-size: .85rem; font-weight: 600; color: var(--ink-2);
  background: var(--ivory);
  border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 10px;
}

/* 12. Products =========================================================== */
.product {
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
  height: 100%;
}
.product:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.product__top {
  padding: 34px 28px;
  background: linear-gradient(150deg, var(--violet-soft), var(--rose-soft) 60%, var(--amber-soft));
  display: flex; align-items: center; gap: 16px;
}
.product__glyph {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: 15px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.8);
  font-family: var(--font-display); font-size: 1.4rem; color: var(--violet-deep);
  box-shadow: var(--shadow-sm);
}
.product__top strong { font-size: 1.06rem; letter-spacing: -0.015em; display: block; }
.product__top span { font-size: .82rem; color: var(--ink-soft); }
.product__body { padding: 24px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.product__body p { font-size: .94rem; color: var(--ink-soft); flex: 1; }
.badge-status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-soft); margin-top: 16px;
}
.badge-status::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 0 3px rgba(63,184,175,.2);
}
.badge-status--soon::before { background: var(--amber); box-shadow: 0 0 0 3px rgba(242,166,90,.2); }

/* 13. CTA band =========================================================== */
.cta {
  position: relative;
  border-radius: var(--radius-xl);
  padding: clamp(42px, 6vw, 76px) clamp(26px, 5vw, 64px);
  background: linear-gradient(135deg, #241E3C 0%, #3A2566 45%, #59307A 100%);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.cta::before {
  content: ""; position: absolute;
  width: 60%; height: 200%; top: -50%; right: -10%;
  background: radial-gradient(circle, rgba(232,112,154,.35), transparent 62%);
  filter: blur(40px);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; margin-bottom: 16px; }
.cta p { color: rgba(255,255,255,.76); max-width: 560px; margin-inline: auto; margin-bottom: 30px; }
.cta .btn--ghost { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.28); }
.cta .btn--ghost:hover { background: rgba(255,255,255,.2); color: #fff; border-color: rgba(255,255,255,.5); }
.cta .btn--primary { background: #fff; color: var(--violet-deep); box-shadow: 0 8px 26px rgba(0,0,0,.24); }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* 14. Legal / prose pages ================================================ */
.page-head {
  position: relative;
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(32px, 4vw, 52px);
  overflow: hidden;
}
.page-head .container { position: relative; z-index: 2; }
.page-head h1 { font-size: clamp(2.1rem, 4.6vw, 3.2rem); margin-bottom: 14px; }
.page-head .lead { max-width: 640px; }
.page-head__meta {
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  margin-top: 22px; font-size: .84rem; color: var(--ink-faint);
}

.legal-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.toc {
  position: sticky; top: 100px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}
.toc h2 {
  font-family: var(--font-body);
  font-size: .74rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 12px;
}
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.toc li { margin: 0; }
.toc a {
  display: block; padding: 6px 0;
  font-size: .87rem; font-weight: 600; color: var(--ink-soft);
  text-decoration: none; border-left: 2px solid transparent; padding-left: 12px;
  transition: color .2s ease, border-color .2s ease;
}
.toc a:hover, .toc a.is-active { color: var(--violet-deep); border-left-color: var(--violet); }

.prose { max-width: 760px; }
.prose h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  margin-top: 52px; margin-bottom: 14px;
  scroll-margin-top: 100px;
}
.prose > h2:first-child { margin-top: 0; }
.prose h3 {
  font-family: var(--font-body); font-weight: 700;
  font-size: 1.02rem; letter-spacing: -0.01em;
  margin-top: 28px; margin-bottom: 8px;
}
.prose p, .prose li { color: var(--ink-2); font-size: 1rem; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 1.1em; }
.prose li { margin-bottom: 8px; }
.prose li::marker { color: var(--violet); }

.prose table {
  width: 100%; border-collapse: collapse;
  margin: 20px 0 26px;
  font-size: .93rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.prose th, .prose td {
  text-align: left; padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.prose th {
  background: var(--ivory-2);
  font-weight: 700; font-size: .78rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2);
}
.prose tr:last-child td { border-bottom: 0; }

.callout {
  display: flex; gap: 16px;
  padding: 22px 24px;
  border-radius: var(--radius);
  background: var(--violet-soft);
  border: 1px solid rgba(108,76,224,.18);
  margin: 26px 0;
}
.callout__icon { flex-shrink: 0; color: var(--violet-deep); }
.callout p { margin: 0; font-size: .95rem; color: var(--ink-2); }
.callout--amber { background: var(--amber-soft); border-color: rgba(242,166,90,.3); }
.callout--amber .callout__icon { color: #B9702A; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* 15. Support page ======================================================= */
.split-layout { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); }
@media (max-width: 900px) { .split-layout { grid-template-columns: 1fr; } }

.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.contact-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}
.contact-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
.contact-card p { font-size: .93rem; color: var(--ink-soft); }
.contact-card a { font-weight: 700; word-break: break-word; }

.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  background: none; border: 0; cursor: pointer;
  padding: 22px 4px;
  font-family: var(--font-body); font-size: 1.03rem; font-weight: 700;
  color: var(--ink); text-align: left; letter-spacing: -0.01em;
}
.faq__q:hover { color: var(--violet-deep); }
.faq__sign {
  flex-shrink: 0; width: 26px; height: 26px; margin-top: 2px;
  border-radius: 50%; border: 1px solid var(--line-strong);
  display: grid; place-items: center; position: relative;
  transition: transform .35s var(--ease), background-color .25s ease, border-color .25s ease;
}
.faq__sign::before, .faq__sign::after {
  content: ""; position: absolute;
  background: var(--ink-2); border-radius: 2px;
  transition: opacity .25s ease, background-color .25s ease;
}
.faq__sign::before { width: 11px; height: 1.6px; }
.faq__sign::after  { width: 1.6px; height: 11px; }
.faq__q[aria-expanded="true"] .faq__sign {
  background: var(--violet); border-color: var(--violet); transform: rotate(180deg);
}
.faq__q[aria-expanded="true"] .faq__sign::before { background: #fff; }
.faq__q[aria-expanded="true"] .faq__sign::after  { opacity: 0; }
.faq__a {
  overflow: hidden; max-height: 0;
  transition: max-height .45s var(--ease), opacity .3s ease;
  opacity: 0;
}
.faq__a-inner { padding: 0 44px 24px 4px; }
.faq__a p { font-size: .96rem; color: var(--ink-soft); }

.form-grid { display: grid; gap: 18px; }
.field label {
  display: block; margin-bottom: 7px;
  font-size: .82rem; font-weight: 700; letter-spacing: .02em; color: var(--ink-2);
}
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font-body); font-size: .97rem; color: var(--ink);
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--paper);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 148px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 4px rgba(108,76,224,.12);
}
.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) { border-color: #D2607F; }
.field .is-error { border-color: #D2607F; }
#form-note[data-state="ok"]    { color: #1E7F78; font-weight: 600; }
#form-note[data-state="error"] { color: #C4426F; font-weight: 600; }
.btn[disabled] { opacity: .6; pointer-events: none; }

.hp {
  position: absolute !important;
  left: -9999px; width: 1px; height: 1px;
  overflow: hidden; opacity: 0; pointer-events: none;
}

.form-success {
  padding: 34px 30px;
  border: 1px solid rgba(63,184,175,.28);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, #E6F7F5, var(--violet-soft) 85%);
  box-shadow: var(--shadow-sm);
}
.form-success__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #fff;
  color: #1E7F78;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.form-success__icon svg { width: 25px; height: 25px; }
.form-success h3 { margin-bottom: 8px; }
.form-success p { font-size: .96rem; color: var(--ink-2); }
.form-success .btn { margin-top: 20px; }
.form-success:focus-visible { outline: 2px solid var(--violet); outline-offset: 4px; }

.mail-card {
  padding: 30px 28px;
  border: 1px solid rgba(108,76,224,.2);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--violet-soft), var(--rose-soft) 70%, var(--amber-soft));
  box-shadow: var(--shadow-sm);
}
.mail-card__label {
  margin: 0 0 10px;
  font-size: .74rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--violet-deep);
}
.mail-card__address {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 500; letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 2px solid rgba(108,76,224,.28);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}
.mail-card__address:hover { color: var(--violet-deep); border-bottom-color: var(--violet); }
.mail-card__note { margin: 14px 0 0; font-size: .88rem; color: var(--ink-soft); }

.field-hint { font-size: .8rem; color: var(--ink-faint); margin-top: 7px; }

/* 16. Footer ============================================================= */
.site-footer {
  background: #17142A;
  color: rgba(255,255,255,.66);
  padding-top: clamp(52px, 7vw, 82px);
  margin-top: 0;
}
.site-footer a { color: rgba(255,255,255,.7); text-decoration: none; }
.site-footer a:hover { color: #fff; }

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px 28px;
  padding-bottom: 46px;
}
.footer__brand .brand { color: #fff; margin-bottom: 16px; font-size: 1.1rem; }
.brand__mark { overflow: visible; }
.brand__mark .mark-orbit,
.brand__mark .mark-star,
.brand__mark .mark-ring {
  transform-box: view-box;
  transform-origin: 50% 50%;
}
/* the header mark turns slowly so it never competes with the page */
.brand__mark .mark-orbit { animation: mark-spin 30s linear infinite; }
.brand__mark .mark-star  { animation: mark-pulse 7s ease-in-out infinite; }
.brand__mark .mark-ring  { animation: mark-halo 9s ease-in-out infinite; }

.brand:hover .mark-orbit { animation-duration: 5s; }
.brand:hover .mark-star  { animation-duration: 2.2s; }

/* the footer mark is the livelier one */
.site-footer .brand__mark { width: 36px; height: 36px; }
.site-footer .brand__mark .mark-orbit { animation-duration: 16s; }
.site-footer .brand__mark .mark-star  { animation-duration: 4.8s; }
.site-footer .brand__mark .mark-ring  { animation-duration: 6.4s; }

@keyframes mark-spin {
  from { transform: rotate(-28deg); }
  to   { transform: rotate(332deg); }
}
@keyframes mark-pulse {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
  50%      { transform: scale(1.14) rotate(12deg); opacity: .88; }
}
@keyframes mark-halo {
  0%, 100% { opacity: .22; transform: scale(.95); }
  50%      { opacity: .58; transform: scale(1.05); }
}
.footer__brand p { color: rgba(255,255,255,.55); font-size: .92rem; max-width: 320px; }
.footer__col h4 {
  color: #fff; font-size: .74rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  margin: 0 0 16px;
}
.footer__col ul { list-style: none; margin: 0; padding: 0; }
.footer__col li { margin-bottom: 10px; font-size: .92rem; }

.footer__bottom {
  display: flex; flex-wrap: wrap; gap: 12px 24px;
  align-items: center; justify-content: space-between;
  padding-block: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .85rem; color: rgba(255,255,255,.45);
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 8px 20px; }

/* 16b. Back to top ======================================================= */
.to-top {
  position: fixed;
  right: clamp(16px, 3vw, 30px);
  bottom: clamp(16px, 3vw, 30px);
  z-index: 90;
  width: 48px; height: 48px; padding: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--violet) 0%, var(--violet-deep) 60%, #6E3AAE 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(75,47,176,.34);
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transform: translateY(14px) scale(.9);
  transition: opacity .35s var(--ease), transform .35s var(--ease),
              visibility .35s, color .2s ease, border-color .2s ease;
}
.to-top svg { width: 19px; height: 19px; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(75,47,176,.42); }
.to-top:active { transform: translateY(0) scale(.95); }

/* 17. Motion & reveal ==================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__inner > *, .hero__visual { animation: none; opacity: 1; transform: none; }
  #starfield { display: none; }
}

/* 18. Responsive ========================================================= */
@media (max-width: 1040px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 30px; }
  .hero__inner { max-width: none; }
  .hero__visual { max-width: 440px; order: 2; margin-right: auto; }
}

@media (max-width: 900px) {
  .legal-layout { grid-template-columns: 1fr; }
  .toc { position: static; order: -1; }
  .toc ol { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 0 14px; }
}

@media (max-width: 860px) {
  :root { --gutter: 20px; }

  .nav__links, .nav__actions .btn { display: none; }
  .nav__toggle { display: inline-flex; }

  .nav__drawer {
    display: block;
    position: fixed; inset: 76px 0 auto 0;
    background: rgba(251,248,244,.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 50px rgba(26,23,38,.12);
    padding: 12px var(--gutter) 28px;
    transform: translateY(-14px);
    opacity: 0; visibility: hidden;
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
    max-height: calc(100dvh - 76px);
    overflow-y: auto;
    z-index: 99;
  }
  .nav__drawer.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__drawer ul { list-style: none; margin: 0 0 18px; padding: 0; }
  .nav__drawer li { border-bottom: 1px solid var(--line); }
  .nav__drawer a {
    display: block; padding: 15px 4px;
    font-size: 1.04rem; font-weight: 600; color: var(--ink); text-decoration: none;
  }
  .nav__drawer a[aria-current="page"] { color: var(--violet-deep); }
  .nav__drawer .btn { width: 100%; }

  body.nav-open { overflow: hidden; }
  body.nav-open .site-header {
    background: rgba(251,248,244,.97);
    backdrop-filter: saturate(160%) blur(16px);
    -webkit-backdrop-filter: saturate(160%) blur(16px);
    border-bottom-color: transparent;
  }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .to-top { width: 44px; height: 44px; }
  .hero__meta { gap: 20px 30px; }
  .hero__meta div { min-width: 42%; }
  .step { grid-template-columns: 1fr; gap: 16px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .card, .step, .contact-card { padding: 24px 22px; }
  .hero__actions .btn, .cta__actions .btn { width: 100%; }
  .hero__badge { font-size: .74rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .toc ol { grid-template-columns: 1fr; }
  .faq__a-inner { padding-right: 8px; }
}

@media print {
  .site-header, .site-footer, .nebula, #starfield, .cta, .toc,
  .to-top, .hero__visual, .marquee { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .prose { max-width: none; }
}