/* ==========================================================================
   Eduscope marketing site
   1. Tokens  2. Base  3. Layout  4. Components  5. Header/Nav  6. Footer
   7. Page sections  8. Motion  9. Utilities
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  /* Brand (sampled from the official logo SVGs) */
  --purple: #6e3eff;
  --purple-600: #5b2ee8;
  --purple-700: #4a22c9;
  --purple-300: #b3a1ff;
  --purple-200: #d6ccff;
  --purple-50: #f3f0ff;
  --ink: #100c1b;
  --ink-900: #0a0712;
  --ink-800: #19142b;
  --ink-700: #241d3b;
  --ink-600: #352c55;
  --mint: #6ef2a8;
  --mint-50: #e6fdf0;
  --white: #ffffff;

  /* Semantic */
  --bg: var(--white);
  --surface: #f7f6fb;
  --border: #e7e4f0;
  --text: var(--ink);
  --text-muted: #4e4863;
  --on-dark: var(--white);
  --on-dark-muted: #bdb7d1;
  --border-dark: rgba(255, 255, 255, 0.12);
  --focus: var(--purple);

  /* Type */
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-lg: 1.1875rem;
  --fs-xl: clamp(1.1875rem, 1.05rem + 0.6vw, 1.4375rem);
  --fs-h3: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --fs-h2: clamp(1.75rem, 1.3rem + 2vw, 2.75rem);
  --fs-h1: clamp(2.125rem, 1.4rem + 3.4vw, 4.25rem);
  --measure: 65ch;

  /* Space & shape */
  --container: 1200px;
  --gutter: 20px;
  --section-y: clamp(4rem, 2.75rem + 5vw, 7.5rem);
  --header-h: 68px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(16, 12, 27, 0.06), 0 1px 3px rgba(16, 12, 27, 0.04);
  --shadow: 0 10px 30px -12px rgba(16, 12, 27, 0.18), 0 2px 6px rgba(16, 12, 27, 0.05);
  --shadow-lg: 0 30px 60px -20px rgba(16, 12, 27, 0.35);
  --glow: 0 30px 80px -20px rgba(110, 62, 255, 0.55);

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 600ms;
}

@media (min-width: 768px) {
  :root { --gutter: 32px; }
}
@media (min-width: 1024px) {
  :root { --header-h: 76px; }
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
@supports (overflow: clip) {
  body { overflow-x: clip; }
}

body.nav-open { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
figure { margin: 0; }
img { height: auto; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); letter-spacing: -0.03em; font-weight: 800; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; font-weight: 650; line-height: 1.3; }

p { margin: 0; text-wrap: pretty; }
p + p { margin-top: 1em; }

a { color: var(--purple-700); text-underline-offset: 3px; }
a:hover { color: var(--purple); }

ul, ol[class] { margin: 0; padding: 0; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}
.section--dark :focus-visible,
.site-header :focus-visible,
.site-footer :focus-visible,
.hero :focus-visible,
.page-hero :focus-visible,
.cta-band :focus-visible {
  outline-color: var(--mint);
}

::selection { background: var(--purple-200); color: var(--ink); }

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* 3. Layout ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); position: relative; }
.section--tint { background: var(--surface); }
.section--dark {
  background: var(--ink);
  color: var(--on-dark);
  isolation: isolate;
  overflow: hidden;
}
.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 85% 0%, rgba(110, 62, 255, 0.28), transparent 70%),
    radial-gradient(50% 45% at 0% 100%, rgba(110, 62, 255, 0.18), transparent 70%);
  pointer-events: none;
}
.section--dark .text-muted,
.section--dark .lead,
.section--dark .section-intro p { color: var(--on-dark-muted); }

.section-head { max-width: 760px; margin-bottom: clamp(2.25rem, 1.5rem + 2.5vw, 3.5rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 + p,
.section-head h2 + .lead { margin-top: 1rem; }

.split {
  display: grid;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
@media (min-width: 1024px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--wide-media { grid-template-columns: 5fr 7fr; }
  .split--reverse > :first-child { order: 2; }
}

.grid { display: grid; gap: 1.25rem; }
@media (min-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
/* A lone card in the last row spans the full width */
@media (min-width: 640px) and (max-width: 1023.98px) {
  .grid--3 > :last-child:nth-child(2n + 1) { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .grid--3 > :last-child:nth-child(3n + 1) { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid { gap: 1.5rem; }
}

/* 4. Components ------------------------------------------------------------ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-700);
}
.section--dark .eyebrow,
.page-hero .eyebrow,
.cta-band .eyebrow { color: var(--purple-300); }
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.lead {
  font-size: var(--fs-xl);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: var(--measure);
}
.section-head--center .lead { margin-inline: auto; }
.prose { max-width: var(--measure); }
.text-muted { color: var(--text-muted); }

/* Buttons */
.btn {
  --btn-bg: transparent;
  --btn-fg: inherit;
  --btn-border: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.4rem;
  border: 1.5px solid var(--btn-border);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease),
    color 200ms var(--ease), transform 200ms var(--ease), box-shadow 200ms var(--ease);
}
.btn .icon { transition: transform 200ms var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }

.btn--primary { --btn-bg: var(--purple); --btn-fg: var(--white); --btn-border: var(--purple); }
.btn--primary:hover {
  --btn-bg: var(--purple-600);
  --btn-border: var(--purple-600);
  color: var(--white);
  box-shadow: 0 10px 24px -10px rgba(110, 62, 255, 0.8);
}

.btn--secondary { --btn-fg: var(--ink); --btn-border: #cfc9e0; --btn-bg: var(--white); }
.btn--secondary:hover { --btn-border: var(--ink); color: var(--ink); }

/* Secondary on dark surfaces */
.section--dark .btn--secondary,
.page-hero .btn--secondary,
.hero .btn--secondary,
.cta-band .btn--secondary {
  --btn-fg: var(--white);
  --btn-bg: rgba(255, 255, 255, 0.04);
  --btn-border: rgba(255, 255, 255, 0.32);
}
.section--dark .btn--secondary:hover,
.page-hero .btn--secondary:hover,
.hero .btn--secondary:hover,
.cta-band .btn--secondary:hover { --btn-border: var(--white); --btn-bg: rgba(255, 255, 255, 0.08); color: var(--white); }

.btn--sm { min-height: 44px; padding: 0.6rem 1.15rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.btn-row--center { justify-content: center; }
@media (max-width: 479px) {
  .btn-row .btn { flex: 1 1 100%; white-space: normal; text-align: center; }
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  font-weight: 600;
  font-size: var(--fs-sm);
  text-decoration: none;
  color: var(--purple-700);
}
.text-link:hover { color: var(--purple); }
.text-link .icon { transition: transform 200ms var(--ease); }
.text-link:hover .icon { transform: translateX(3px); }
.section--dark .text-link { color: var(--purple-300); }
.section--dark .text-link:hover { color: var(--white); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
  white-space: nowrap;
  vertical-align: middle;
}
.badge--available { background: var(--mint); color: var(--ink); }
.badge--soon { background: var(--purple-50); color: var(--purple-700); }
.section--dark .badge--soon,
.page-hero .badge--soon,
.stack-card--dark .badge--soon { background: rgba(110, 62, 255, 0.22); color: var(--purple-200); }

/* Cards */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 250ms var(--ease), box-shadow 250ms var(--ease), border-color 250ms var(--ease);
}
.card p { color: var(--text-muted); font-size: var(--fs-sm); line-height: 1.6; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d9d3ea; }
.section--tint .card { background: var(--white); }

.section--dark .card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border-color: var(--border-dark);
  box-shadow: none;
}
.section--dark .card p { color: var(--on-dark-muted); }
.section--dark .card:hover { border-color: rgba(179, 161, 255, 0.45); }

.card--link { text-decoration: none; color: inherit; }
.card--link:hover { color: inherit; }
.card-footer { margin-top: auto; padding-top: 0.5rem; }

.icon-tile {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--purple-50);
  color: var(--purple);
  flex: none;
}
.icon-tile .icon { width: 24px; height: 24px; }
.section--dark .icon-tile { background: rgba(110, 62, 255, 0.2); color: var(--purple-300); }

.card-num {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--purple-700);
}
.section--dark .card-num { color: var(--mint); }

/* Check list */
.check-list { list-style: none; display: grid; gap: 0.75rem; }
.check-list li { display: flex; gap: 0.75rem; align-items: flex-start; line-height: 1.5; }
.check-list .icon {
  width: 22px;
  height: 22px;
  padding: 3px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--mint);
  color: var(--ink);
  stroke-width: 2.5;
}

/* Value line: a single strong statement */
.value-line {
  margin: clamp(2.5rem, 2rem + 2vw, 4rem) auto 0;
  max-width: 880px;
  text-align: center;
  font-size: clamp(1.375rem, 1.1rem + 1.2vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.value-line em { font-style: normal; color: var(--purple); }
.section--dark .value-line em { color: var(--mint); }
.value-line--left { text-align: left; margin-inline: 0; }

/* Product screenshot frame */
.frame {
  position: relative;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.frame-bar {
  display: flex;
  gap: 6px;
  align-items: center;
  height: 30px;
  padding-inline: 14px;
  border-bottom: 1px solid var(--border);
  background: #fbfaff;
}
.frame-bar span { width: 9px; height: 9px; border-radius: 50%; background: #dcd7ea; }
.frame img { width: 100%; }
.section--dark .frame,
.showcase .frame { border-color: rgba(255, 255, 255, 0.14); box-shadow: var(--glow), var(--shadow-lg); }

.figure-caption {
  margin-top: 1rem;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-align: center;
}

/* 5. Header / navigation --------------------------------------------------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -100px;
  z-index: 200;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  color: var(--white);
  transition: background-color 300ms var(--ease), box-shadow 300ms var(--ease),
    border-color 300ms var(--ease), opacity 500ms var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(16, 12, 27, 0.9);
  border-bottom-color: var(--border-dark);
  box-shadow: 0 8px 30px -12px rgba(0, 0, 0, 0.5);
}
/* The blur sits on a pseudo-element: backdrop-filter on the header itself
   would make it the containing block for the fixed mobile menu panel,
   collapsing the panel to the header's height once the page is scrolled. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 300ms var(--ease);
}
@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header.is-scrolled { background: rgba(16, 12, 27, 0.78); }
  .site-header::before {
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    backdrop-filter: saturate(160%) blur(14px);
  }
  .site-header.is-scrolled::before { opacity: 1; }
}
/* Open menu: solid header that joins the panel seamlessly */
body.nav-open .site-header {
  background: var(--ink);
  border-bottom-color: var(--border-dark);
  box-shadow: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 100%;
}

.brand { display: inline-flex; align-items: center; min-height: 44px; flex: none; }
.brand img { width: 132px; height: auto; }
@media (min-width: 1024px) { .brand img { width: 144px; } }

.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-right: -8px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--white);
  cursor: pointer;
}
.nav-toggle .icon { width: 26px; height: 26px; grid-area: 1 / 1; }
.nav-toggle .icon-close,
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.nav-list { list-style: none; }

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0.5rem 0.25rem;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-size: var(--fs-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  min-width: 44px;
}
.nav-link:hover { color: var(--white); }
.nav-link[aria-current="page"],
.nav-link[data-current] { color: var(--white); }
.dropdown-toggle .icon { width: 18px; height: 18px; transition: transform 250ms var(--ease); }
.dropdown-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }

.dropdown-link {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  color: inherit;
  text-decoration: none;
  transition: background-color 200ms var(--ease);
}
.dropdown-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex: none;
}
.dropdown-icon .icon { width: 20px; height: 20px; }
.dropdown-text { display: grid; gap: 0.1rem; min-width: 0; }
.dropdown-title { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; font-weight: 600; font-size: var(--fs-sm); }
.dropdown-desc { font-size: var(--fs-xs); }
.dropdown-all {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  margin: 0.25rem 0.75rem 0;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
}
.dropdown-all .icon { width: 18px; height: 18px; transition: transform 200ms var(--ease); }
.dropdown-all:hover .icon { transform: translateX(3px); }

/* Mobile nav panel */
@media (max-width: 1023.98px) {
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    padding: 1rem var(--gutter) 2.5rem;
    background: var(--ink);
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 250ms var(--ease), transform 250ms var(--ease), visibility 0s linear 250ms;
  }
  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity 250ms var(--ease), transform 250ms var(--ease), visibility 0s;
  }
  .nav-list > li { border-bottom: 1px solid var(--border-dark); }
  .nav-list > li.nav-cta { border-bottom: 0; padding-top: 1.5rem; }
  .nav-link { width: 100%; justify-content: space-between; min-height: 56px; font-size: 1.125rem; color: var(--on-dark-muted); }
  .nav-link[aria-current="page"], .nav-link[data-current] { color: var(--white); }
  .nav-cta .btn { width: 100%; min-height: 52px; font-size: var(--fs-base); }

  .dropdown { display: none; padding-bottom: 0.75rem; }
  .dropdown.is-open { display: block; }
  .dropdown-list { list-style: none; display: grid; gap: 0.25rem; }
  .dropdown-link { color: var(--white); }
  .dropdown-link:hover, .dropdown-link[aria-current="page"] { background: rgba(255, 255, 255, 0.06); }
  .dropdown-icon { background: rgba(110, 62, 255, 0.2); color: var(--purple-300); }
  .dropdown-desc { color: var(--on-dark-muted); }
  .dropdown-link .badge--soon { background: rgba(110, 62, 255, 0.22); color: var(--purple-200); }
  .dropdown-all { color: var(--purple-300); }
}

/* Desktop nav */
@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .nav-list { display: flex; align-items: center; gap: clamp(1rem, 0.2rem + 1.4vw, 2rem); }
  .nav-link { font-size: var(--fs-sm); color: rgba(255, 255, 255, 0.78); position: relative; }
  .nav-link::after {
    content: "";
    position: absolute;
    left: 0.25rem;
    right: 0.25rem;
    bottom: 6px;
    height: 2px;
    border-radius: 2px;
    background: var(--mint);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 250ms var(--ease);
  }
  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after,
  .nav-link[data-current]::after { transform: scaleX(1); }
  .dropdown-toggle::after { right: 1.6rem; }
  .nav-cta { margin-left: 0.5rem; }

  .has-dropdown { position: relative; }
  .dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    width: 380px;
    padding: 0.6rem;
    border-radius: var(--radius);
    background: var(--white);
    color: var(--ink);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    visibility: hidden;
    opacity: 0;
    transform: translate(-50%, 6px);
    transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 0s linear 200ms;
  }
  .dropdown::before {
    /* hover bridge between toggle and panel */
    content: "";
    position: absolute;
    inset: -14px 0 auto 0;
    height: 14px;
  }
  .dropdown.is-open {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0);
    transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 0s;
  }
  .dropdown-list { list-style: none; display: grid; gap: 0.15rem; }
  .dropdown-link:hover, .dropdown-link[aria-current="page"] { background: var(--surface); }
  .dropdown-icon { background: var(--purple-50); color: var(--purple); }
  .dropdown-desc { color: var(--text-muted); }
  .dropdown-all {
    display: flex;
    margin: 0.35rem 0 0;
    padding: 0.5rem 0.75rem 0.25rem;
    border-top: 1px solid var(--border);
    color: var(--purple-700);
  }
}

/* 6. Footer ---------------------------------------------------------------- */
.site-footer {
  background: var(--ink-900);
  color: var(--on-dark-muted);
  padding-block: clamp(3.5rem, 2.5rem + 3vw, 5rem) 2rem;
  border-top: 1px solid var(--border-dark);
  font-size: var(--fs-sm);
}
.footer-top { display: grid; gap: 2.5rem; }
@media (min-width: 768px) {
  .footer-top { grid-template-columns: 1.2fr 1fr; align-items: start; }
}
.footer-brand p { margin: 1rem 0 1.5rem; max-width: 34ch; }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.footer-heading {
  margin-bottom: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
}
.footer-col ul { list-style: none; }
.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  color: var(--on-dark-muted);
  text-decoration: none;
}
.footer-col a:hover, .footer-col a[aria-current="page"] { color: var(--white); }
.footer-soon {
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  background: rgba(110, 62, 255, 0.22);
  color: var(--purple-200);
  font-size: 0.6875rem;
  font-weight: 600;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dark);
  font-size: var(--fs-xs);
}
.footer-bottom p + p { margin-top: 0; }

/* 7. Page sections --------------------------------------------------------- */

/* Shared dark page hero (inner pages) */
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(3.5rem, 2rem + 5vw, 6.5rem)) 0 clamp(4rem, 2.5rem + 5vw, 7rem);
  background: var(--ink);
  color: var(--on-dark);
}
.page-hero::before,
.hero::before,
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(55% 60% at 80% 10%, rgba(110, 62, 255, 0.4), transparent 70%),
    radial-gradient(40% 50% at 5% 90%, rgba(110, 62, 255, 0.2), transparent 70%);
}
.page-hero::after,
.hero::after {
  /* faint grid texture */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(70% 70% at 50% 30%, #000 20%, transparent 75%);
}
.page-hero h1 { max-width: 16ch; }
.page-hero .lead { margin-top: 1.25rem; color: var(--on-dark-muted); max-width: 60ch; }
.page-hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-bottom: 1.25rem; }
.page-hero-meta .eyebrow { margin-bottom: 0; }
.breadcrumb { font-size: var(--fs-sm); color: var(--on-dark-muted); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; margin: 0 0 1.25rem; padding: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 0.5rem; color: var(--ink-600); }
.breadcrumb a { color: var(--on-dark-muted); display: inline-flex; min-height: 44px; align-items: center; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb li { display: inline-flex; align-items: center; }

.page-hero--compact { padding-bottom: clamp(3rem, 2rem + 3vw, 4.5rem); }

/* Home hero with intro animation */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: calc(var(--header-h) + 2.5rem) 0 clamp(4rem, 3rem + 4vw, 6rem);
  background: var(--ink);
  color: var(--on-dark);
  text-align: center;
}
.hero-inner { position: relative; display: grid; justify-items: center; }
/* Soft ink scrim behind the text so the timetable never fights it */
.hero-inner::before {
  content: "";
  position: absolute;
  inset: -12% -18%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(16, 12, 27, 0.92), rgba(16, 12, 27, 0.7) 55%, rgba(16, 12, 27, 0));
}
.hero h1 { text-shadow: 0 2px 24px rgba(16, 12, 27, 0.85); }

.hero-copy { display: grid; justify-items: center; }
.hero h1 { max-width: 18ch; }
.hero .lead { margin: 1.25rem auto 0; color: var(--on-dark-muted); max-width: 62ch; }
.hero-support {
  margin-top: 1rem;
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--white);
}
.hero-support span { color: var(--mint); }
.hero .btn-row { justify-content: center; }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-sm);
  color: var(--on-dark-muted);
}
.hero-tags li { display: inline-flex; align-items: center; gap: 0.5rem; }
.hero-tags li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--purple-300); }
.hero-tags li:last-child { color: var(--white); font-weight: 600; }
.hero-tags li:last-child::before { background: var(--mint); }

/* Copy is readable from the first frame: a quick staggered rise, no waiting */
.hero-copy > * { animation: hero-rise 650ms var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: 70ms; }
.hero-copy > :nth-child(3) { animation-delay: 140ms; }
.hero-copy > :nth-child(4) { animation-delay: 210ms; }
.hero-copy > :nth-child(5) { animation-delay: 280ms; }
@keyframes hero-rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* Hero scene: a 3D timetable floor. Blocks start scattered ("chaos"),
   a solver line sweeps across and they land in their slots ("proof"). */
/* Bottom fade: the floor and glow dissolve into ink before the hero ends,
   so there is no hard edge above the showcase. */
.hero::after {
  top: auto;
  height: clamp(140px, 22vh, 240px);
  background-image: none;
  background: linear-gradient(to bottom, rgba(16, 12, 27, 0), var(--ink) 85%);
  -webkit-mask-image: none;
  mask-image: none;
}
.hero-scene {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  perspective: 1100px;
  perspective-origin: 50% 18%;
  opacity: 0.62;
  transition: opacity 1400ms var(--ease);
  -webkit-mask-image: linear-gradient(to bottom, transparent 4%, rgba(0, 0, 0, 0.45) 34%, #000 62%);
  mask-image: linear-gradient(to bottom, transparent 4%, rgba(0, 0, 0, 0.45) 34%, #000 62%);
}
.tt-plane {
  --tilt: 63deg;
  --spin: 0deg;
  --plane-w: min(1240px, 190vw);
  position: absolute;
  left: 50%;
  bottom: -4%;
  width: var(--plane-w);
  margin-left: calc(var(--plane-w) / -2);
  aspect-ratio: 5 / 3.1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  transform-origin: 50% 100%;
  --drop: 0%;
  transform: translateY(var(--drop)) rotateX(var(--tilt)) rotateZ(var(--spin));
  transform-style: preserve-3d;
  transition: transform 2200ms cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(179, 161, 255, 0.22);
  border-radius: 20px;
  background-image:
    linear-gradient(rgba(179, 161, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(179, 161, 255, 0.16) 1px, transparent 1px);
  background-size: 20% 20%;
  font-size: clamp(11px, 1.25vw, 17px);
}
/* Once the proof is complete the floor settles lower and quieter */
.hero-scene.is-settled { opacity: 0.42; }
.hero-scene.is-settled .tt-plane { --drop: 21%; }
@media (max-width: 767.98px) {
  .hero-scene.is-settled { opacity: 0.36; }
  .hero-scene.is-settled .tt-plane { --drop: 30%; }
}
.hero-scene.is-interactive .tt-plane { transition: transform 900ms cubic-bezier(0.16, 1, 0.3, 1); }

.tt-slot {
  position: relative;
  padding: 7px;
  transform-style: preserve-3d;
  transition: transform 1300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 700ms var(--ease);
}
.tt-block {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.2em;
  height: 100%;
  padding: 0.7em 0.8em;
  border-radius: 12px;
  border: 1.5px solid rgba(179, 161, 255, 0.5);
  background: rgba(110, 62, 255, 0.24);
  color: var(--white);
  text-align: left;
  line-height: 1.15;
  overflow: hidden;
  transition: border-color 500ms var(--ease), background-color 500ms var(--ease), box-shadow 500ms var(--ease);
}
.tt-code { font-weight: 700; font-size: 1em; letter-spacing: -0.01em; white-space: nowrap; }
.tt-meta { font-size: 0.72em; font-weight: 500; color: rgba(255, 255, 255, 0.72); white-space: nowrap; }
.tt-block--exam { border-color: rgba(110, 242, 168, 0.55); background: rgba(110, 242, 168, 0.12); }
.tt-block--lab { border-color: rgba(214, 204, 255, 0.45); background: rgba(214, 204, 255, 0.12); }
.tt-block--event { border-style: dashed; border-color: rgba(255, 255, 255, 0.35); background: rgba(255, 255, 255, 0.03); }
.tt-block.is-conflict {
  border-color: #ff6b81;
  background: rgba(255, 93, 115, 0.2);
  box-shadow: 0 0 0 4px rgba(255, 93, 115, 0.14), 0 0 40px rgba(255, 93, 115, 0.35);
}
.tt-block.is-resolved {
  border-color: var(--mint);
  box-shadow: 0 0 0 4px rgba(110, 242, 168, 0.16), 0 0 40px rgba(110, 242, 168, 0.35);
}

/* Floating while unsolved */
.hero-scene.is-chaos .tt-block { animation: tt-float var(--float-d, 3.2s) ease-in-out var(--float-delay, 0s) infinite alternate; }
@keyframes tt-float {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(0, -10px, 26px); }
}

/* Solver / "now" line */
.tt-now {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -3%;
  width: 3px;
  border-radius: 3px;
  background: var(--mint);
  box-shadow: 0 0 18px 4px rgba(110, 242, 168, 0.55), 0 0 80px 20px rgba(110, 242, 168, 0.18);
  opacity: 0;
  transform: translateZ(1px);
}
.hero-scene.is-solving .tt-now { animation: tt-solve 1500ms cubic-bezier(0.45, 0, 0.25, 1) forwards; }
.hero-scene.is-settled .tt-now { animation: tt-ambient 11s linear 1.5s infinite; }
.hero-scene.is-paused .tt-now,
.hero-scene.is-paused .tt-block { animation-play-state: paused; }
@keyframes tt-solve {
  0% { left: -3%; opacity: 0; }
  10% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: 103%; opacity: 0; }
}
@keyframes tt-ambient {
  0% { left: -3%; opacity: 0; }
  8% { opacity: 0.55; }
  60% { opacity: 0.55; }
  70%, 100% { left: 103%; opacity: 0; }
}

/* Intro choreography for the scene */
html.hero-play .hero-scene { opacity: 0; transition-duration: 500ms; }
html.hero-play .hero.is-playing .hero-scene { opacity: 0.9; }
html.hero-play .tt-plane { --tilt: 86deg; transition-duration: 1300ms; }
html.hero-play .hero.is-playing .tt-plane { --tilt: 63deg; }

/* Showcase: its own section below the hero. The dark/light split always
   runs through the middle of the frame, whatever the spacing. */
.showcase {
  --pt: clamp(4rem, 2.5rem + 5vw, 7.5rem);
  --pb: clamp(3rem, 2rem + 3vw, 5rem);
  position: relative;
  isolation: isolate;
  padding: var(--pt) 0 var(--pb);
  background: var(--ink);
}
.showcase::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: calc(var(--pt) + (100% - var(--pt) - var(--pb)) * 0.6);
  z-index: -1;
  background: var(--white);
}
.showcase-label {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
}
.showcase-label .eyebrow { margin-bottom: 0; color: var(--purple-300); }
.showcase .frame { max-width: 1080px; margin-inline: auto; }

/* Showcase dashboard mockup ------------------------------------------------
   A fixed 1440x906 canvas (the 1920x1208 ratio of real product screens),
   scaled to the frame width by main.js (--db-scale).
   Values from the live demo; styling from the Figma design. */
.frame--dash { background: #f6f5fa; }
.db-viewport { position: relative; overflow: hidden; aspect-ratio: 1440 / 906; background: #f6f5fa; }
.db {
  --db-ink: #1d1a2b;
  --db-muted: #75708a;
  --db-faint: #a19cb3;
  --db-line: #ecebf2;
  --db-red: #e5484d;
  --db-green: #1fa971;
  position: absolute;
  top: 0;
  left: 0;
  width: 1440px;
  height: 906px;
  transform-origin: 0 0;
  transform: scale(var(--db-scale, 1));
  display: grid;
  grid-template-columns: 236px 1fr;
  background: #f6f5fa;
  color: var(--db-ink);
  font-size: 12px;
  line-height: 1.4;
  text-align: left;
  letter-spacing: 0;
}
.db p { margin: 0; }
.db ul { list-style: none; margin: 0; padding: 0; }
.db .icon { width: 15px; height: 15px; stroke-width: 1.7; }
.db .db-h { font-size: 13.5px; font-weight: 600; letter-spacing: -0.005em; }

/* Sidebar (collapsible groups, as in the live product) */
.db-side { background: #fff; border-right: 1px solid var(--db-line); padding: 18px 14px; }
.db-logo { padding: 4px 8px 20px; }
.db-logo img { width: 128px; height: auto; }
.db-nav { display: grid; gap: 2px; }
.db-item { display: flex; align-items: center; gap: 10px; height: 32px; padding: 0 10px; border-radius: 8px; color: #4d4863; font-size: 12px; font-weight: 500; }
.db-item .icon { color: #8f8aa4; }
.db-item.is-active { background: var(--purple-50); color: var(--purple-700); font-weight: 600; }
.db-item.is-active .icon { color: var(--purple); }
.db-chev { margin-left: auto; width: 13px !important; height: 13px !important; transform: rotate(-90deg); transition: none; }
.db-item--group.is-open .db-chev { transform: none; }
.db-item--sub { height: 29px; padding-left: 35px; color: #6a6580; font-size: 11.5px; }

/* Top bar */
.db-main { display: flex; flex-direction: column; min-width: 0; }
.db-top { display: flex; align-items: center; gap: 20px; height: 60px; padding: 0 28px; background: #fff; border-bottom: 1px solid var(--db-line); }
.db-title { font-size: 15px; font-weight: 650; letter-spacing: -0.01em; }
.db-sub { font-size: 10.5px; color: var(--db-muted); }
.db-search { display: flex; align-items: center; gap: 8px; flex: 1; max-width: 360px; margin-left: auto; height: 34px; padding: 0 12px; border: 1px solid var(--db-line); border-radius: 9px; background: #fafafc; color: var(--db-faint); font-size: 11.5px; }
.db-top-right { display: flex; align-items: center; gap: 16px; }
.db-lang { font-size: 11px; font-weight: 600; color: #4d4863; }
.db-bell { position: relative; display: flex; color: #4d4863; }
.db-bell i { position: absolute; top: -1px; right: -1px; width: 6px; height: 6px; border-radius: 50%; background: var(--db-red); border: 1.5px solid #fff; }
.db-user { display: flex; align-items: center; gap: 8px; font-size: 11.5px; font-weight: 600; }
.db-avatar { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--ink-700); color: #fff; font-size: 11px; font-weight: 700; }

/* Body */
.db-body { display: grid; gap: 18px; padding: 24px 28px; }
.db-card { background: #fff; border: 1px solid var(--db-line); border-radius: 14px; padding: 18px 20px; box-shadow: 0 1px 2px rgba(29, 26, 43, 0.03); }
.db-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.db-card-meta { font-size: 11px; color: var(--db-faint); }
.db-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.db-stat { padding: 15px 16px; }
.db-stat-head { display: flex; align-items: center; justify-content: space-between; }
.db-stat-label { font-size: 11.5px; font-weight: 500; color: var(--db-muted); }
.db-num { margin: 4px 0 9px !important; font-size: 22px; font-weight: 650; letter-spacing: -0.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.db-pills { display: flex; flex-wrap: wrap; gap: 5px; }
.db-pill { display: inline-flex; align-items: center; height: 18px; padding: 0 7px; border-radius: 999px; background: #f1f0f5; color: #5f5a75; font-size: 10px; font-weight: 550; white-space: nowrap; }
.db-pill--mint { background: #e6f7ef; color: #177a50; }
.db-pill--red { background: #fdeeef; color: #bf2f3b; }
.db-ico { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; flex: none; }
.db-ico .icon { width: 14px; height: 14px; }
.db-ico--purple { background: var(--purple-50); color: var(--purple); }
.db-ico--amber { background: #fff5e2; color: #c27a06; }
.db-ico--blue { background: #e9f2ff; color: #2f6fd6; }
.db-ico--teal { background: #e3f7f4; color: #11897a; }
.db-ico--red { background: #fdeeef; color: var(--db-red); }

/* Chart and warnings share the row equally */
.db-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Schedules: thin ring, quiet legend */
.db-sched { display: flex; flex-direction: column; }
.db-sched-body { flex: 1; display: grid; grid-template-columns: 196px 1fr; align-items: center; gap: 36px; padding: 0 8px; }
.db-donut { position: relative; width: 196px; height: 196px; }
.db-donut svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.db-donut circle { fill: none; stroke-width: 10; }
.db-donut-track { stroke: #f1f0f5; }
.db-donut-on {
  stroke: var(--db-green);
  stroke-dasharray: var(--val) var(--len);
  stroke-dashoffset: calc(var(--gap) * -1);
  transition: stroke-dasharray 1400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.db-donut-off {
  stroke: var(--db-red);
  stroke-dasharray: var(--val) var(--len);
  stroke-dashoffset: calc(var(--start) * -1);
  transition: opacity 400ms var(--ease) 1100ms;
}
.db-donut-label { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.db-donut-label strong { font-size: 24px; font-weight: 650; letter-spacing: -0.02em; line-height: 1; }
.db-donut-label span { margin-top: 6px; font-size: 9.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--db-faint); }
.db-legend { display: grid; }
.db-legend li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--db-line); font-size: 12px; color: #55506b; }
.db-legend li:last-child { border-bottom: 0; }
.db-legend span { display: flex; align-items: center; gap: 9px; }
.db-legend b { font-size: 13px; font-weight: 600; color: var(--db-ink); font-variant-numeric: tabular-nums; }
.db-legend .db-legend-alert { color: #bf2f3b; }
.db-dot { width: 8px; height: 8px; border-radius: 50%; }
.db-dot--on { background: var(--db-green); }
.db-dot--off { background: var(--db-red); }

/* Warnings */
.db-count { display: inline-grid; place-items: center; min-width: 22px; height: 18px; margin-left: 6px; padding: 0 6px; border-radius: 999px; background: #fdeeef; color: #bf2f3b; font-size: 10px; font-weight: 650; vertical-align: 1px; }
.db-mini-search { display: flex; align-items: center; gap: 6px; width: 200px; height: 30px; padding: 0 10px; border: 1px solid var(--db-line); border-radius: 8px; color: var(--db-faint); font-size: 11px; }
.db-rows { display: grid; gap: 6px; }
.db-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 12px; height: 38px; padding: 0 8px 0 14px; border-radius: 9px; background: #fafafc; border: 1px solid #f1f0f5; }
.db-block { font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
.db-tag { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: 6px; font-size: 10.5px; font-weight: 550; }
.db-tag--red { background: #fdeeef; color: #bf2f3b; }
.db-action { display: inline-flex; align-items: center; height: 24px; padding: 0 11px; border-radius: 7px; background: var(--purple-50); color: var(--purple-700); font-size: 11px; font-weight: 600; }
.db-pager { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; font-size: 11px; color: var(--db-muted); }
.db-pages { display: flex; gap: 4px; }
.db-pages > * { display: grid; place-items: center; min-width: 22px; height: 22px; border-radius: 6px; }
.db-pages b { background: var(--ink); color: #fff; font-weight: 650; }

/* Entrance when the dashboard scrolls into view (armed by main.js) */
.db.is-armed .db-donut-on { stroke-dasharray: 0 var(--len); }
.db.is-armed .db-donut-off { opacity: 0; }
.db.is-armed .db-row { opacity: 0; transform: translateX(-8px); }
.db-row { transition: opacity 500ms var(--ease), transform 500ms var(--ease); transition-delay: calc(450ms + var(--i, 0) * 80ms); }

/* Problem cards */
.problem-card .icon-tile { background: #fff1f2; color: #c0263d; }

/* Core diagram */
.core-layout { display: grid; gap: clamp(2.5rem, 1.5rem + 4vw, 4.5rem); align-items: center; }
@media (min-width: 1024px) { .core-layout { grid-template-columns: 1fr 1.05fr; } }
.core-diagram { width: 100%; max-width: 560px; margin-inline: auto; }
.core-diagram svg { width: 100%; height: auto; overflow: visible; }
.core-diagram .pulse { transform-origin: 300px 300px; animation: pulse 3.2s var(--ease) infinite; }
@keyframes flow { to { stroke-dashoffset: -24; } }

/* Connections */
.core-link-base {
  fill: none;
  stroke: #b3a1ff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 4 8;
  opacity: 0.55;
  animation: flow 1.6s linear infinite;
  transition: stroke 350ms var(--ease), opacity 350ms var(--ease), stroke-width 350ms var(--ease);
}
.core-link--soon .core-link-base { stroke: #6f6889; stroke-dasharray: 2 7; animation: none; opacity: 0.8; }
.core-link-pulse {
  fill: none;
  stroke: var(--mint);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-dasharray: 28 420;
  stroke-dashoffset: 28;
  opacity: 0;
  filter: drop-shadow(0 0 6px rgba(110, 242, 168, 0.9));
  transition: opacity 300ms var(--ease);
}
.core-link.is-active .core-link-base { stroke: var(--mint); stroke-width: 2.5; opacity: 0.9; }
.core-link.is-active .core-link-pulse { opacity: 1; animation: core-pulse 1.4s cubic-bezier(0.45, 0, 0.55, 1) infinite; }
@keyframes core-pulse {
  from { stroke-dashoffset: 28; }
  to { stroke-dashoffset: -236; }
}

/* Module nodes: Scheduler is lit by default, hover or focus moves the light */
.core-node { cursor: pointer; outline: none; }
.core-node > * { transform-box: fill-box; transform-origin: center; transition: transform 350ms var(--ease); }
.core-hit { fill: transparent; }
.core-node-box {
  fill: #19142b;
  stroke: #b3a1ff;
  stroke-width: 1.5;
  transition: fill 350ms var(--ease), stroke 350ms var(--ease), stroke-width 350ms var(--ease);
}
.core-node--soon .core-node-box { fill: #100c1b; stroke: #8d86a6; stroke-dasharray: 5 5; }
.core-node-glow {
  fill: none;
  stroke: var(--mint);
  stroke-width: 8;
  opacity: 0;
  transition: opacity 400ms var(--ease);
}
.core-node-label {
  fill: #ffffff;
  font-size: 20px;
  font-weight: 600;
  text-anchor: middle;
  transition: fill 350ms var(--ease);
}
.core-node--soon .core-node-label { fill: #d6d1e6; }

.core-node.is-active .core-node-box { fill: #13302a; stroke: var(--mint); stroke-width: 2.25; }
.core-node.is-active .core-node-glow { opacity: 0.75; }
.core-node.is-active .core-node-label { fill: #ffffff; }
.core-node.is-active .core-node-box,
.core-node.is-active .core-node-glow,
.core-node.is-active .core-node-label { transform: scale(1.04); }
/* Keyboard focus gets an extra ring on top of the light */
.core-node:focus-visible .core-node-box { stroke-width: 3.5; }
@keyframes pulse { 0%, 100% { opacity: 0.35; transform: scale(1); } 50% { opacity: 0.1; transform: scale(1.08); } }
.diagram-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
  margin-top: 1.25rem;
  font-size: var(--fs-xs);
  color: var(--on-dark-muted);
}
.diagram-legend span { display: inline-flex; align-items: center; gap: 0.5rem; }
.legend-swatch { width: 22px; height: 12px; border-radius: 4px; border: 1.5px solid var(--purple-300); }
.legend-swatch--soon { border-style: dashed; border-color: var(--on-dark-muted); }
.entity-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.75rem; list-style: none; padding: 0; }
.entity-chips li {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.04);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--on-dark-muted);
}
.key-line {
  margin-top: 2rem;
  font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.625rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.015em;
}
.key-line span { display: block; }
.key-line span:last-child { color: var(--mint); }

/* Platform layer stack */
.stack { display: grid; gap: 1rem; position: relative; }
.stack-row { display: grid; gap: 1rem; position: relative; }
@media (min-width: 900px) {
  .stack-row--modules { grid-template-columns: repeat(3, 1fr); }
}
.stack-card {
  position: relative;
  display: grid;
  gap: 0.6rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 250ms var(--ease), box-shadow 250ms var(--ease);
}
.stack-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stack-card p { color: var(--text-muted); font-size: var(--fs-sm); }
.stack-card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.stack-card-head h3 { margin-right: auto; }
.stack-card .text-link { justify-self: start; }
.stack-card--core {
  background: var(--ink);
  color: var(--on-dark);
  border-color: var(--ink);
  box-shadow: var(--glow);
  padding: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
}
@media (min-width: 900px) {
  .stack-card--core { grid-template-columns: auto 1fr auto; align-items: center; column-gap: 1.5rem; }
  .stack-card--core .stack-core-text { display: grid; gap: 0.35rem; }
}
.stack-card--core p { color: var(--on-dark-muted); }
.stack-card--core .icon-tile { background: var(--purple); color: var(--white); width: 56px; height: 56px; }
.stack-card--core .text-link { color: var(--purple-300); }
.stack-card--core .text-link:hover { color: var(--white); }
.stack-card--soon { border-style: dashed; border-color: #cbc3e3; box-shadow: none; background: rgba(255, 255, 255, 0.7); }
.stack-card--report { background: linear-gradient(135deg, var(--purple-50), var(--white) 60%); border-color: var(--purple-200); }
.stack-tag {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mint);
}
.stack-connector {
  display: flex;
  justify-content: center;
  height: 28px;
  margin-block: -0.25rem;
}
.stack-connector::before {
  content: "";
  width: 2px;
  height: 100%;
  background: linear-gradient(var(--purple), var(--purple-200));
  border-radius: 2px;
}
.stack-closing { margin-top: 2.5rem; max-width: 760px; font-size: var(--fs-lg); font-weight: 600; }
.stack-closing span { color: var(--purple-700); }

/* CTA band */
.cta-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(4.5rem, 3rem + 5vw, 8rem);
  background: var(--ink);
  color: var(--on-dark);
  text-align: center;
}
.cta-band::before {
  background:
    radial-gradient(50% 80% at 50% 110%, rgba(110, 62, 255, 0.55), transparent 70%),
    radial-gradient(30% 40% at 90% 0%, rgba(110, 62, 255, 0.25), transparent 70%);
}
.cta-band h2 { max-width: 20ch; margin-inline: auto; }
.cta-band p { margin: 1.25rem auto 0; max-width: 56ch; color: var(--on-dark-muted); font-size: var(--fs-lg); }

/* Solutions overview */
.module-card { gap: 1rem; }
.module-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.module-card h3 { font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem); }
.module-card--soon { border-style: dashed; box-shadow: none; }
@media (min-width: 640px) { .module-card { padding: 2.25rem; } }

.roadmap { display: grid; gap: 1rem; }
@media (min-width: 768px) { .roadmap { grid-template-columns: 1fr 1fr; } }
.roadmap-col { padding: 1.75rem; border-radius: var(--radius); border: 1px solid var(--border-dark); background: rgba(255, 255, 255, 0.03); }
.roadmap-col h3 { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1rem; }
.roadmap-col ul { list-style: none; display: grid; gap: 0.5rem; }
.roadmap-col a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 52px;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
  transition: background-color 200ms var(--ease);
}
.roadmap-col a:hover { background: rgba(255, 255, 255, 0.1); color: var(--white); }
.roadmap-col a .icon { color: var(--purple-300); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--mint); flex: none; }
.dot--soon { background: transparent; border: 2px solid var(--purple-300); }

/* Module detail pages */
.feature-card h3 { font-size: 1.125rem; }
.uses-list { list-style: none; display: grid; gap: 1rem; }
.uses-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
}
.uses-list strong { display: block; margin-bottom: 0.2rem; }
.uses-list p { font-size: var(--fs-sm); color: var(--text-muted); }

.steps { list-style: none; display: grid; gap: 1rem; counter-reset: step; }
@media (min-width: 768px) { .steps--3 { grid-template-columns: repeat(3, 1fr); } }
.steps li {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.04);
}
.steps li::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 0.75rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mint);
}
.steps h3 { margin-bottom: 0.4rem; }
.steps p { color: var(--on-dark-muted); font-size: var(--fs-sm); }

.pill-grid { list-style: none; display: grid; gap: 0.75rem; }
@media (min-width: 560px) { .pill-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pill-grid { grid-template-columns: repeat(3, 1fr); } }
.pill-grid li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 64px;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  font-weight: 550;
  font-size: var(--fs-sm);
  line-height: 1.35;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}
.pill-grid li:hover { border-color: var(--purple-200); transform: translateY(-2px); }
.pill-grid .icon-tile { width: 40px; height: 40px; border-radius: 10px; }
.pill-grid .icon-tile .icon { width: 20px; height: 20px; }

.compare { display: grid; gap: 1rem; }
@media (min-width: 768px) { .compare { grid-template-columns: 1fr 1fr; } }
.compare-col { padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem); border-radius: var(--radius); }
.compare-col h3 { margin-bottom: 1rem; display: flex; gap: 0.6rem; align-items: center; }
.compare-col ul { list-style: none; display: grid; gap: 0.75rem; }
.compare-col li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: var(--fs-sm); line-height: 1.5; }
.compare-col li .icon { margin-top: 1px; }
.compare-col--before { background: var(--surface); border: 1px solid var(--border); color: var(--text-muted); }
.compare-col--before h3 { color: var(--ink); }
.compare-col--after { background: var(--ink); color: var(--on-dark-muted); box-shadow: var(--glow); }
.compare-col--after h3 { color: var(--white); }
.compare-col--after .icon { color: var(--mint); }

.process { list-style: none; display: grid; gap: 1rem; counter-reset: proc; }
@media (min-width: 640px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .process { grid-template-columns: repeat(3, 1fr); } }
.process li { counter-increment: proc; }
.process .card-num::before { content: "0" counter(proc) " · "; }

/* Illustration card (Reservation) */
.mock {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}
.mock-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.25rem 0.25rem 1rem; border-bottom: 1px solid var(--border); }
.mock-title { font-weight: 700; }
.mock-note { font-size: var(--fs-xs); color: var(--text-muted); }
.mock-rows { display: grid; gap: 0.6rem; padding-top: 1rem; }
.mock-row { display: grid; grid-template-columns: 3.25rem 1fr; gap: 0.75rem; align-items: center; }
.mock-time { font-size: var(--fs-xs); font-weight: 600; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.mock-block {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 52px;
  padding: 0.6rem 0.9rem;
  border-radius: 12px;
  border-left: 4px solid transparent;
  font-size: var(--fs-sm);
  line-height: 1.35;
}
.mock-block strong { margin-right: 0.35rem; }
.mock-block > span { min-width: 0; }
.mock-block--class { background: var(--purple-50); border-left-color: var(--purple); }
.mock-block--exam { background: var(--surface); border-left-color: var(--ink-600); }
.mock-block--ok { background: var(--mint-50); border-left-color: #1f9d5b; }
.mock-block--ok .icon { color: #137a44; }
.mock-block--no { background: #fff1f2; border-left-color: #c0263d; color: #8f1b2b; }
.mock-block--no .icon { color: #c0263d; }

/* For Universities: tabs */
.tabs { display: grid; gap: 1.5rem; }
@media (min-width: 1024px) {
  .tabs.is-ready { grid-template-columns: 300px 1fr; gap: 2.5rem; align-items: start; }
}
.tab-list { display: none; }
.tabs.is-ready .tab-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
@media (min-width: 1024px) {
  .tabs.is-ready .tab-list { flex-direction: column; position: sticky; top: calc(var(--header-h) + 24px); }
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--text-muted);
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background-color 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}
.tab .icon { width: 20px; height: 20px; }
.tab:hover { color: var(--ink); border-color: #cfc9e0; }
.tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--white); }
.tab[aria-selected="true"] .icon { color: var(--mint); }
@media (min-width: 1024px) {
  .tab { border-radius: 14px; padding: 0.85rem 1.1rem; width: 100%; }
}
.tab-panels { display: grid; gap: 1.5rem; }
.tab-panel {
  display: grid;
  gap: 2rem;
  padding: clamp(1.5rem, 1rem + 2vw, 2.75rem);
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.tab-panel[hidden] { display: none; }
.tabs.is-ready .tab-panel:not([hidden]) { animation: panel-in 450ms var(--ease); }
@keyframes panel-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (min-width: 768px) { .tab-panel { grid-template-columns: 1.1fr 1fr; gap: 2.5rem; } }
.tab-panel h3 { font-size: clamp(1.375rem, 1.15rem + 0.9vw, 1.875rem); letter-spacing: -0.02em; line-height: 1.2; }
.tab-panel .panel-body { margin-top: 1rem; color: var(--text-muted); }
.tab-panel .panel-value {
  margin-top: 1.5rem;
  padding-left: 1rem;
  border-left: 3px solid var(--mint);
  font-weight: 700;
  color: var(--ink);
}
.panel-benefits { padding: 1.5rem; border-radius: var(--radius); background: var(--surface); align-self: start; }
.panel-benefits h4 {
  margin-bottom: 1rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.panel-benefits .check-list { font-size: var(--fs-sm); }

.value-cards { display: grid; gap: 1rem; }
@media (min-width: 560px) { .value-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .value-cards { grid-template-columns: repeat(5, 1fr); } }
.value-cards .card { padding: 1.5rem; }
.value-cards h3 { font-size: 1.0625rem; }

.coord-list { list-style: none; display: grid; gap: 0.6rem; }
@media (min-width: 560px) { .coord-list { grid-template-columns: repeat(2, 1fr); } }
.coord-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  font-size: var(--fs-sm);
  line-height: 1.5;
}
.coord-list strong { display: block; color: var(--ink); }
.coord-list span { color: var(--text-muted); }
.coord-list .icon { color: var(--purple); margin-top: 2px; }

/* About */
.todo-note {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--purple-300);
  background: var(--purple-50);
  color: var(--purple-700);
  font-size: var(--fs-sm);
}

/* Request demo form */
.demo-layout { display: grid; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: start; }
@media (min-width: 1024px) { .demo-layout { grid-template-columns: 1fr 1.35fr; } }
.demo-aside h2 { font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem); }
.demo-aside .steps { margin-top: 1.5rem; }
.demo-aside .steps li { background: var(--white); border-color: var(--border); }
.demo-aside .steps li::before { color: var(--purple-700); }
.demo-aside .steps p { color: var(--text-muted); }

.form-card {
  padding: clamp(1.5rem, 1rem + 2vw, 2.75rem);
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.form { display: grid; gap: 1.25rem; }
.form[hidden] { display: none; }
.form-row { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .form-row--2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.4rem; min-width: 0; }
.field label, .field legend { font-size: var(--fs-sm); font-weight: 600; color: var(--ink); }
.field .req { color: #b4232f; margin-left: 2px; }
.field .optional { font-weight: 400; color: var(--text-muted); }
.input, .select, .textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid #d7d2e5;
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.textarea { min-height: 128px; resize: vertical; line-height: 1.5; }
.select {
  appearance: none;
  padding-right: 2.75rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234e4863' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 18px;
}
.input:hover, .select:hover, .textarea:hover { border-color: #b9b1d3; }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 4px rgba(110, 62, 255, 0.18);
}
.field.has-error .input,
.field.has-error .select,
.field.has-error .textarea { border-color: #c0263d; }
.field-error {
  display: none;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: #b4232f;
}
.field.has-error .field-error { display: flex; }
.field-hint { font-size: var(--fs-xs); color: var(--text-muted); }
fieldset.field { margin: 0; padding: 0; border: 0; }
.checks { display: grid; gap: 0.5rem; margin-top: 0.25rem; }
@media (min-width: 480px) { .checks { grid-template-columns: 1fr 1fr; } }
.check {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 52px;
  padding: 0.6rem 0.9rem;
  border: 1.5px solid #d7d2e5;
  border-radius: 12px;
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}
.check:hover { border-color: #b9b1d3; }
.check input {
  width: 20px;
  height: 20px;
  margin: 0;
  flex: none;
  accent-color: var(--purple);
  cursor: pointer;
}
.check:has(input:checked) { border-color: var(--purple); background: var(--purple-50); }
.check:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }
.check .badge { margin-left: auto; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 0.5rem; }
.form-note { font-size: var(--fs-xs); color: var(--text-muted); }
.form-summary {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  background: #fff1f2;
  border: 1px solid #f5c2c9;
  color: #8f1b2b;
  font-size: var(--fs-sm);
}
.form-summary.is-visible { display: block; }
.form-summary h2 { font-size: var(--fs-base); margin-bottom: 0.4rem; letter-spacing: 0; }
.form-summary ul { padding-left: 1.2rem; }
.form-summary a { color: #8f1b2b; font-weight: 600; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }

.form-success { display: grid; gap: 1rem; justify-items: start; text-align: left; }
.form-success[hidden] { display: none; }
.form-success .success-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--mint);
  color: var(--ink);
}
.form-success .success-icon .icon { width: 28px; height: 28px; stroke-width: 2.25; }
.form-success h2 { font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem); }
.form-success h2:focus { outline: none; }
.form-success p { color: var(--text-muted); max-width: 52ch; }

/* 8. Motion ---------------------------------------------------------------- */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.js-reveal [data-reveal].is-visible { opacity: 1; transform: none; }
/* Cards keep their own hover transform once revealed */
.js-reveal .card[data-reveal].is-visible,
.js-reveal .stack-card[data-reveal].is-visible {
  transition: opacity var(--dur) var(--ease), transform 250ms var(--ease), box-shadow 250ms var(--ease), border-color 250ms var(--ease);
}
.js-reveal .card[data-reveal].is-visible:hover,
.js-reveal .stack-card[data-reveal].is-visible:hover { transform: translateY(-3px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
  .js-reveal [data-reveal] { opacity: 1; transform: none; }
  .core-diagram .pulse, .core-link-base { animation: none; }
  .core-node.is-active .core-node-box,
  .core-node.is-active .core-node-glow,
  .core-node.is-active .core-node-label { transform: none; }
  .card:hover, .stack-card:hover, .pill-grid li:hover, .btn:hover .icon { transform: none; }
}

/* 9. Utilities ------------------------------------------------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.center { text-align: center; }

/* Language switcher */
.nav-lang .nav-link { font-weight: 600; letter-spacing: 0.04em; }