/* ==========================================================================
   PROVENTA — Design System
   A premium, editorial career-tech design system.
   Single brand accent: electric indigo. Warm-paper neutrals. Emerald reserved
   strictly for verification semantics.
   Everything is tokenized — change the :root values to re-skin the platform.
   ========================================================================== */

/* ----------------------------------------------------------------------------
   0. Fonts
---------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;450;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ----------------------------------------------------------------------------
   1. Tokens
---------------------------------------------------------------------------- */
:root {
  /* Neutrals — warm paper */
  --paper: #FBFAF7;
  --paper-2: #F6F4EF;
  --surface: #FFFFFF;
  --surface-2: #F4F2EC;
  --surface-3: #EFEDE6;

  /* Ink */
  --ink: #16181D;
  --ink-2: #4C505A;
  --ink-3: #7C808B;
  --ink-inv: #FBFAF7;

  /* Lines */
  --line: #E8E5DD;
  --line-2: #DEDACF;
  --line-strong: #CFCABD;

  /* Brand — electric indigo (single accent) */
  --brand: #4B37E0;
  --brand-2: #6B57F5;
  --brand-ink: #2E1F9E;
  --brand-deep: #1B1150;
  --brand-tint: #EEEBFC;
  --brand-tint-2: #E3DEFB;
  --brand-wash: #F4F2FE;

  /* Verification (emerald) — semantic only */
  --verify: #0E9E70;
  --verify-ink: #0A6B4C;
  --verify-tint: #E4F5EE;

  /* Difficulty */
  --lvl-foundation: #0E9E70;
  --lvl-foundation-tint: #E4F5EE;
  --lvl-professional: #4B37E0;
  --lvl-professional-tint: #EEEBFC;
  --lvl-advanced: #7A2FB8;
  --lvl-advanced-tint: #F1E7FA;

  /* Accent tints for category dots / illustration */
  --amber: #C9862B;
  --amber-tint: #F8EFDD;
  --rose: #C0436B;
  --rose-tint: #F9E6ED;
  --sky: #2C74C4;
  --sky-tint: #E4EEFA;

  /* Radii */
  --r-xs: 8px;
  --r-sm: 10px;
  --r: 14px;
  --r-md: 18px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-2xl: 36px;
  --r-pill: 999px;

  /* Shadows — minimal, soft */
  --shadow-xs: 0 1px 2px rgba(20,24,29,.04);
  --shadow-sm: 0 1px 2px rgba(20,24,29,.04), 0 4px 12px rgba(20,24,29,.04);
  --shadow: 0 2px 4px rgba(20,24,29,.04), 0 10px 30px rgba(20,24,29,.06);
  --shadow-lg: 0 8px 24px rgba(20,24,29,.06), 0 30px 60px rgba(20,24,29,.10);
  --shadow-brand: 0 10px 30px rgba(75,55,224,.22);

  /* Type */
  --font-display: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Layout */
  --container: 1200px;
  --container-wide: 1320px;
  --container-narrow: 820px;
  --gutter: clamp(20px, 5vw, 40px);
  --section-y: clamp(64px, 9vw, 120px);

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ----------------------------------------------------------------------------
   2. Reset & base
---------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv05' 1, 'ss01' 1;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

/* ----------------------------------------------------------------------------
   3. Typography
---------------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6.2vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); letter-spacing: -0.03em; line-height: 1.05; }
.h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); letter-spacing: -0.025em; line-height: 1.08; }
.h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); letter-spacing: -0.02em; }
.h4 { font-size: 1.15rem; letter-spacing: -0.015em; }

.lede { font-size: clamp(1.05rem, 1.6vw, 1.28rem); line-height: 1.55; color: var(--ink-2); font-weight: 400; }
.muted { color: var(--ink-2); }
.muted-2 { color: var(--ink-3); }
.small { font-size: .875rem; }
.xsmall { font-size: .78rem; }
.mono { font-family: var(--font-mono); letter-spacing: -0.01em; }
.balance { text-wrap: balance; }
strong, b { font-weight: 600; }

.eyebrow {
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.eyebrow--muted { color: var(--ink-3); }
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: currentColor;
  opacity: .55;
}
.eyebrow--nodash::before { display: none; }
/* Icons occasionally used inside an eyebrow must stay small + aligned with the text
   (inline SVGs with only a viewBox otherwise blow up to a default size). */
.eyebrow svg { width: 1.05em; height: 1.05em; flex: none; }

/* Gradient text accent */
.grad {
  background: linear-gradient(100deg, var(--brand) 0%, var(--brand-2) 55%, #9a6bff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(44px, 6vw, 72px); }
.section--flush-top { padding-top: 0; }

.section-head { max-width: 720px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: 1rem; }
.section-head .lede { margin-top: 1.1rem; }

.flow > * + * { margin-top: 1rem; }
.stack-sm > * + * { margin-top: .5rem; }
.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 1.6rem; }

.grid { display: grid; gap: clamp(16px, 2vw, 24px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.center { text-align: center; }
.divider { height: 1px; background: var(--line); border: 0; }
.hairline { border-top: 1px solid var(--line); }

.tint-band { background: var(--paper-2); }
.ink-band { background: var(--brand-deep); color: var(--ink-inv); }
.ink-band h1, .ink-band h2, .ink-band h3 { color: #fff; }
.ink-band .muted { color: rgba(255,255,255,.66); }

/* ----------------------------------------------------------------------------
   5. Buttons
---------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--surface);
  --btn-fg: var(--ink);
  --btn-bd: var(--line-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: -0.01em;
  line-height: 1;
  padding: .82rem 1.25rem;
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), background .2s, border-color .2s, color .2s;
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { --btn-bg: var(--brand); --btn-fg: #fff; --btn-bd: transparent; box-shadow: var(--shadow-brand); }
.btn-primary:hover { --btn-bg: var(--brand-ink); box-shadow: 0 14px 34px rgba(75,55,224,.30); }

.btn-dark { --btn-bg: var(--ink); --btn-fg: #fff; --btn-bd: transparent; }
.btn-dark:hover { --btn-bg: #000; }

.btn-ghost { --btn-bg: transparent; --btn-fg: var(--ink); --btn-bd: var(--line-2); }
.btn-ghost:hover { --btn-bg: var(--surface); --btn-bd: var(--line-strong); box-shadow: var(--shadow-sm); }

.btn-quiet { --btn-bg: transparent; --btn-fg: var(--ink); --btn-bd: transparent; padding-inline: .4rem; }
.btn-quiet:hover { --btn-fg: var(--brand); transform: none; }

.btn-on-dark { --btn-bg: rgba(255,255,255,.08); --btn-fg: #fff; --btn-bd: rgba(255,255,255,.22); }
.btn-on-dark:hover { --btn-bg: rgba(255,255,255,.16); }
.btn-light { --btn-bg: #fff; --btn-fg: var(--brand-deep); --btn-bd: transparent; }

.btn-lg { padding: 1rem 1.6rem; font-size: 1rem; }
.btn-sm { padding: .6rem .95rem; font-size: .85rem; }
.btn-block { width: 100%; }
.btn-arrow svg { transition: transform .25s var(--ease); }
.btn-arrow:hover svg { transform: translateX(3px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 600; color: var(--brand);
  transition: gap .2s var(--ease);
}
.link-arrow:hover { gap: .65rem; }
.link-arrow svg { width: 1em; height: 1em; }

/* ----------------------------------------------------------------------------
   6. Badges, tags, chips, pills
---------------------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .74rem; font-weight: 600; letter-spacing: .02em;
  padding: .34rem .6rem; border-radius: var(--r-pill);
  background: var(--surface-2); color: var(--ink-2);
  border: 1px solid var(--line);
  line-height: 1;
}
.badge svg { width: .9em; height: .9em; }
.badge-brand { background: var(--brand-tint); color: var(--brand-ink); border-color: transparent; }
.badge-verify { background: var(--verify-tint); color: var(--verify-ink); border-color: transparent; }
.badge-outline { background: transparent; }
.badge-solid { background: var(--ink); color: #fff; border-color: transparent; }
.badge-dot::before { content:""; width:6px; height:6px; border-radius:50%; background: currentColor; }

.tag {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .8rem; font-weight: 500;
  padding: .4rem .68rem; border-radius: var(--r-sm);
  background: var(--surface-2); color: var(--ink-2);
  border: 1px solid var(--line);
}
.tag-tool { font-family: var(--font-mono); font-size: .76rem; font-weight: 500; }

.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .88rem; font-weight: 500;
  padding: .55rem .95rem; border-radius: var(--r-pill);
  background: var(--surface); color: var(--ink-2);
  border: 1px solid var(--line-2);
  transition: all .18s var(--ease);
  cursor: pointer;
}
.chip:hover { border-color: var(--line-strong); color: var(--ink); }
.chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip-brand.is-active { background: var(--brand); border-color: var(--brand); }

/* Difficulty pills */
.lvl { display:inline-flex; align-items:center; gap:.4rem; font-size:.74rem; font-weight:600; padding:.32rem .6rem; border-radius: var(--r-pill); line-height:1; }
.lvl::before { content:""; width:6px; height:6px; border-radius:50%; background: currentColor; }
.lvl-foundation { background: var(--lvl-foundation-tint); color: var(--verify-ink); }
.lvl-professional { background: var(--lvl-professional-tint); color: var(--brand-ink); }
.lvl-advanced { background: var(--lvl-advanced-tint); color: var(--lvl-advanced); }

/* ----------------------------------------------------------------------------
   7. Cards
---------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.4rem, 2.4vw, 2rem);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.card--pad-sm { padding: clamp(1.1rem, 2vw, 1.4rem); }
.card--flush { padding: 0; overflow: hidden; }
.card--hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--line-2); }
.card--brand { background: var(--brand-wash); border-color: var(--brand-tint-2); }
.card--dark { background: var(--brand-deep); color: #fff; border-color: transparent; }
.card--dark .muted { color: rgba(255,255,255,.6); }
.card--outline-brand { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }

.icon-tile {
  display: inline-grid; place-items: center;
  width: 46px; height: 46px; border-radius: var(--r);
  background: var(--brand-tint); color: var(--brand);
  border: 1px solid var(--brand-tint-2);
}
.icon-tile svg { width: 22px; height: 22px; }
.icon-tile--ink { background: var(--surface-2); color: var(--ink); border-color: var(--line); }
.icon-tile--verify { background: var(--verify-tint); color: var(--verify); border-color: transparent; }
.icon-tile-lg { width: 56px; height: 56px; }

/* Project card */
.project-card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.project-card--hover:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--line-2); }
.project-card__banner {
  position: relative;
  aspect-ratio: 16 / 8.4;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.project-card__body { padding: 1.35rem; display: flex; flex-direction: column; gap: .85rem; flex: 1; }
.project-card__meta { display:flex; align-items:center; gap:.5rem; flex-wrap:wrap; }
.project-card__title { font-family: var(--font-display); font-weight: 700; font-size: 1.16rem; line-height: 1.18; letter-spacing:-0.02em; }
.project-card__desc { color: var(--ink-2); font-size: .92rem; line-height:1.5; }
.project-card__foot { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line); display:flex; align-items:center; justify-content:space-between; gap:.75rem; }

.deliverable-list { display: grid; gap: .5rem; }
.deliverable-list li { display:flex; align-items:center; gap:.55rem; font-size:.9rem; color: var(--ink-2); }
.deliverable-list .tick { color: var(--brand); flex: none; }

/* Bookmark button */
.bookmark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: var(--r-pill);
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-3);
  transition: all .18s var(--ease);
}
.bookmark:hover { color: var(--brand); border-color: var(--brand-tint-2); background: var(--brand-wash); }
.bookmark.is-saved { color: var(--brand); background: var(--brand-tint); border-color: transparent; }
.bookmark.is-saved svg { fill: currentColor; }

/* ----------------------------------------------------------------------------
   8. Avatars
---------------------------------------------------------------------------- */
.avatar {
  --sz: 44px;
  width: var(--sz); height: var(--sz);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: calc(var(--sz) * .38);
  color: #fff; letter-spacing: 0;
  background: linear-gradient(135deg, var(--brand-2), var(--brand-ink));
  border: 2px solid var(--surface);
  box-shadow: 0 0 0 1px var(--line);
  flex: none; overflow: hidden;
}
.avatar--sq { border-radius: 30%; }
.avatar-lg { --sz: 64px; }
.avatar-xl { --sz: 96px; }
.avatar-sm { --sz: 32px; }
.avatar.g1 { background: linear-gradient(135deg, #6B57F5, #2E1F9E); }
.avatar.g2 { background: linear-gradient(135deg, #12b886, #0A6B4C); }
.avatar.g3 { background: linear-gradient(135deg, #E8935A, #B5501E); }
.avatar.g4 { background: linear-gradient(135deg, #4C8DDD, #1E4E8C); }
.avatar.g5 { background: linear-gradient(135deg, #C55B85, #7A2455); }
.avatar.g6 { background: linear-gradient(135deg, #9A6BFF, #5A2FB8); }
.avatar-stack { display: flex; }
.avatar-stack .avatar + .avatar { margin-left: -12px; }

.verify-tick {
  display: inline-grid; place-items: center;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--verify); color: #fff;
}
.verify-tick svg { width: 11px; height: 11px; }

/* ----------------------------------------------------------------------------
   9. Header / nav
---------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.is-stuck { border-bottom-color: var(--line); background: color-mix(in srgb, var(--paper) 92%, transparent); }
.nav { display: flex; align-items: center; gap: 1.4rem; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 800; font-size: 1.28rem; letter-spacing: -0.03em; color: var(--ink); }
.brand__mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--brand); color: #fff;
  box-shadow: var(--shadow-brand);
}
.brand__mark svg { width: 20px; height: 20px; }
.brand small { font-family: var(--font-body); font-weight: 500; font-size:.6rem; letter-spacing:.14em; text-transform:uppercase; color: var(--ink-3); display:block; margin-top:2px;}

.nav__links { display: flex; align-items: center; gap: .25rem; margin-left: .5rem; }
.nav__link {
  position: relative;
  font-size: .93rem; font-weight: 500; color: var(--ink-2);
  padding: .5rem .72rem; border-radius: var(--r-sm);
  transition: color .18s, background .18s;
}
.nav__link:hover { color: var(--ink); background: var(--surface-2); }
.nav__link.is-active { color: var(--ink); font-weight: 600; }
.nav__spacer { flex: 1; }
.nav__actions { display: flex; align-items: center; gap: .5rem; }

/* Dropdown */
.nav__item { position: relative; }
.nav__menu {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 300px; padding: .6rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transition: all .2s var(--ease);
}
.nav__item:hover .nav__menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav__menu a { display: flex; gap: .75rem; align-items:flex-start; padding: .7rem; border-radius: var(--r-sm); transition: background .15s; }
.nav__menu a:hover { background: var(--surface-2); }
.nav__menu .t { font-weight: 600; font-size: .92rem; }
.nav__menu .d { font-size: .8rem; color: var(--ink-3); }

/* Mobile nav */
.nav__burger { display: none; width: 42px; height: 42px; border-radius: var(--r-sm); border:1px solid var(--line-2); place-items:center; }
.nav__burger svg { width: 20px; height: 20px; }
.mobile-menu {
  position: fixed; inset: 72px 0 0 0; z-index: 99;
  background: var(--paper);
  padding: 1.5rem var(--gutter) 2rem;
  transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: all .25s var(--ease);
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-menu a.m-link { display:block; padding: 1rem .4rem; font-size:1.15rem; font-weight:600; border-bottom:1px solid var(--line); }
body.nav-open { overflow: hidden; }

@media (max-width: 940px) {
  .nav__links,
  .nav__actions .btn-ghost,
  .nav__actions .btn-quiet,
  .nav__actions .btn-primary { display: none; }
  .nav__burger { display: grid; }
  .nav { gap: .75rem; }
}

/* ----------------------------------------------------------------------------
   10. Trust strip / marquee
---------------------------------------------------------------------------- */
.trust-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: .6rem clamp(1rem, 3vw, 2.4rem);
}
.trust-strip__item { display: inline-flex; align-items: center; gap: .55rem; font-size: .9rem; font-weight: 500; color: var(--ink-2); }
.trust-strip__item svg { width: 18px; height: 18px; color: var(--brand); flex:none; }
.trust-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--line-strong); }

.logo-row { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap: clamp(1.5rem,4vw,3.2rem); opacity: .8; }
.logo-ghost { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing:-0.01em; color: var(--ink-3); display:inline-flex; align-items:center; gap:.5rem; }
.logo-ghost svg { width: 22px; height: 22px; }

/* ----------------------------------------------------------------------------
   11. Stats
---------------------------------------------------------------------------- */
.stat { }
.stat__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 3.4vw, 2.9rem); letter-spacing: -0.03em; line-height: 1; color: var(--ink); }
.stat__num .grad { font-weight: 800; }
.stat__label { margin-top: .5rem; font-size: .9rem; color: var(--ink-2); }

/* ----------------------------------------------------------------------------
   12. Process / steps / stages
---------------------------------------------------------------------------- */
.stage { position: relative; }
.stage__num { font-family: var(--font-mono); font-size: .8rem; font-weight: 600; color: var(--brand); letter-spacing: .1em; }
.step-num {
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 50%;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line-2);
}
.step-num--brand { background: var(--brand); color: #fff; border-color: transparent; }

.rail { position: relative; }
.rail::before { content:""; position:absolute; left: 21px; top: 44px; bottom: 0; width: 2px; background: linear-gradient(var(--line-2), transparent); }
.rail__item { display: grid; grid-template-columns: 44px 1fr; gap: 1.2rem; padding-bottom: 1.8rem; }

/* ----------------------------------------------------------------------------
   13. Progress
---------------------------------------------------------------------------- */
.progress { height: 8px; border-radius: var(--r-pill); background: var(--surface-3); overflow: hidden; }
.progress__bar { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--brand), var(--brand-2)); }
.progress--thin { height: 5px; }
.progress-ring { transform: rotate(-90deg); }
.progress-ring circle { fill: none; stroke-width: 7; stroke-linecap: round; }
.progress-ring .track { stroke: var(--surface-3); }
.progress-ring .val { stroke: var(--brand); }

/* ----------------------------------------------------------------------------
   14. Comparison table
---------------------------------------------------------------------------- */
.compare {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  background: var(--surface);
}
.compare th, .compare td { padding: 1.05rem 1.25rem; text-align: left; border-bottom: 1px solid var(--line); }
.compare thead th { font-family: var(--font-display); font-size: .92rem; font-weight: 700; background: var(--surface-2); }
.compare thead th.is-featured { background: var(--brand); color: #fff; }
.compare tbody td { text-align: center; }
.compare tbody td:first-child { text-align: left; font-weight: 500; color: var(--ink); }
.compare td.is-featured { background: var(--brand-wash); }
.compare tr:last-child td { border-bottom: 0; }
.compare .yes { color: var(--verify); }
.compare .no { color: var(--ink-3); }
.compare svg { width: 20px; height: 20px; display: inline-block; }

/* ----------------------------------------------------------------------------
   15. Pricing
---------------------------------------------------------------------------- */
.price-card { display: flex; flex-direction: column; height: 100%; position: relative; }
.price-card--featured { border-color: var(--brand); box-shadow: var(--shadow-lg); }
.price-card__flag {
  position: absolute; top: -1px; right: 1.4rem; transform: translateY(-50%);
  background: var(--brand); color: #fff; font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  padding: .38rem .7rem; border-radius: var(--r-pill);
}
.price-card__price { font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; letter-spacing: -0.03em; }
.price-card__price small { font-size: .95rem; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.price-feature { display: flex; gap: .6rem; align-items: flex-start; font-size: .92rem; color: var(--ink-2); padding: .3rem 0; }
.price-feature svg { color: var(--brand); flex: none; margin-top: 3px; width: 16px; height: 16px; }
.price-tbd { font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--ink-3); }

/* ----------------------------------------------------------------------------
   16. Accordion
---------------------------------------------------------------------------- */
.acc { border-bottom: 1px solid var(--line); }
.acc__head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; padding: 1.25rem 0; text-align: left; font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; }
.acc__icon { flex: none; transition: transform .25s var(--ease); color: var(--brand); }
.acc.is-open .acc__icon { transform: rotate(45deg); }
.acc__body { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease); }
.acc__body-inner { padding-bottom: 1.25rem; color: var(--ink-2); max-width: 62ch; }

/* ----------------------------------------------------------------------------
   17. Product mockups (the "product is the hero")
---------------------------------------------------------------------------- */
.mock {
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.mock__bar { display:flex; align-items:center; gap:.5rem; padding: .85rem 1.1rem; border-bottom:1px solid var(--line); background: var(--surface-2); }
.mock__dots { display:flex; gap:6px; }
.mock__dots i { width:10px; height:10px; border-radius:50%; background: var(--line-strong); display:block; }
.mock__url { flex:1; text-align:center; font-family: var(--font-mono); font-size:.74rem; color: var(--ink-3); background: var(--surface); border:1px solid var(--line); border-radius: var(--r-pill); padding:.28rem .8rem; max-width: 60%; margin-inline:auto; }
.mock__body { padding: clamp(1rem, 2vw, 1.4rem); }

.mini-card { background: var(--surface); border:1px solid var(--line); border-radius: var(--r-md); padding: 1rem; }
.mini-stat { display:flex; flex-direction:column; gap:.3rem; }
.mini-stat b { font-family: var(--font-display); font-size: 1.35rem; letter-spacing:-0.02em; }
.mini-label { font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color: var(--ink-3); font-weight:600; }

.float-badge {
  position: absolute; z-index: 3;
  background: var(--surface); border:1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--shadow-lg); padding: .75rem .9rem;
  display:flex; align-items:center; gap:.6rem;
}
.float-badge .avatar { --sz: 34px; }

/* Deliverable preview thumbnails */
.deliverable-thumb {
  border:1px solid var(--line); border-radius: var(--r-md); overflow:hidden; background: var(--surface);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.deliverable-thumb:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.deliverable-thumb__vis { aspect-ratio: 4/3; padding: .9rem; background: var(--surface-2); border-bottom:1px solid var(--line); }
.deliverable-thumb__cap { padding: .75rem .9rem; display:flex; align-items:center; justify-content:space-between; gap:.5rem; }

/* chart bits for mockups */
.bars { display:flex; align-items:flex-end; gap:6px; height:100%; }
.bars i { flex:1; background: linear-gradient(var(--brand-2), var(--brand)); border-radius: 4px 4px 0 0; opacity:.9; display:block; }
.bars--soft i { background: var(--brand-tint-2); }
.donut { --p: 64; width: 88px; height:88px; border-radius:50%; background: conic-gradient(var(--brand) calc(var(--p)*1%), var(--surface-3) 0); display:grid; place-items:center; }
.donut::after { content:""; width:60%; height:60%; border-radius:50%; background: var(--surface); }
.spark { display:flex; align-items:flex-end; gap:3px; height: 34px; }
.spark i { width:5px; border-radius:2px; background: var(--brand-tint-2); }

/* ----------------------------------------------------------------------------
   18. App shell (dashboards)
---------------------------------------------------------------------------- */
.app { display: grid; grid-template-columns: 264px 1fr; min-height: 100vh; background: var(--paper-2); }
.app-sidebar {
  position: sticky; top: 0; align-self: start; height: 100vh;
  background: var(--surface); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 1.1rem;
}
.app-sidebar__brand { padding: .4rem .5rem 1.2rem; }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-nav__label { font-size:.7rem; text-transform:uppercase; letter-spacing:.1em; color: var(--ink-3); font-weight:600; padding: 1rem .7rem .4rem; }
.side-nav a {
  display: flex; align-items: center; gap: .7rem;
  padding: .62rem .7rem; border-radius: var(--r-sm);
  font-size: .92rem; font-weight: 500; color: var(--ink-2);
  transition: all .15s var(--ease);
}
.side-nav a svg { width: 19px; height: 19px; color: var(--ink-3); }
.side-nav a:hover { background: var(--surface-2); color: var(--ink); }
.side-nav a.is-active { background: var(--brand-tint); color: var(--brand-ink); font-weight: 600; }
.side-nav a.is-active svg { color: var(--brand); }
.side-nav__badge { margin-left:auto; font-size:.7rem; font-weight:700; background: var(--brand); color:#fff; border-radius: var(--r-pill); padding:.1rem .45rem; }

.app-main { min-width: 0; }
.app-topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem clamp(1.2rem, 3vw, 2.2rem);
  background: color-mix(in srgb, var(--paper-2) 85%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.app-content { padding: clamp(1.4rem, 3vw, 2.4rem); max-width: 1180px; }

.search-field {
  display:flex; align-items:center; gap:.6rem;
  background: var(--surface); border:1px solid var(--line-2); border-radius: var(--r-pill);
  padding: .6rem 1rem; color: var(--ink-3); min-width: 0;
}
.search-field input { border:0; background:transparent; outline:0; width:100%; font-size:.92rem; color: var(--ink); }
.search-field svg { width:18px; height:18px; flex:none; }

.icon-btn { display:grid; place-items:center; width:40px; height:40px; border-radius: var(--r-pill); border:1px solid var(--line-2); background: var(--surface); color: var(--ink-2); transition: all .15s; position:relative; }
.icon-btn:hover { color: var(--ink); border-color: var(--line-strong); }
.icon-btn__dot { position:absolute; top:8px; right:9px; width:8px; height:8px; border-radius:50%; background: var(--brand); border:2px solid var(--surface); }

.panel { background: var(--surface); border:1px solid var(--line); border-radius: var(--r-lg); }
.panel__head { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding: 1.15rem 1.3rem; border-bottom:1px solid var(--line); }
.panel__title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.panel__body { padding: 1.3rem; }

.metric-card { background: var(--surface); border:1px solid var(--line); border-radius: var(--r-md); padding: 1.15rem 1.25rem; }
.metric-card__label { font-size:.78rem; color: var(--ink-3); font-weight:600; letter-spacing:.02em; display:flex; align-items:center; gap:.5rem; }
.metric-card__value { font-family: var(--font-display); font-weight:800; font-size:1.7rem; letter-spacing:-0.02em; margin-top:.35rem; }

/* Milestones / tasks */
.milestone { display:flex; gap:1rem; align-items:flex-start; padding: 1rem 0; border-bottom:1px solid var(--line); }
.milestone:last-child { border-bottom:0; }
.milestone__mark { flex:none; width:28px; height:28px; border-radius:50%; display:grid; place-items:center; border:2px solid var(--line-2); font-size:.75rem; font-weight:700; color: var(--ink-3); background: var(--surface); }
.milestone.is-done .milestone__mark { background: var(--verify); border-color: var(--verify); color:#fff; }
.milestone.is-active .milestone__mark { border-color: var(--brand); color: var(--brand); }
.milestone.is-active { }
.milestone__title { font-weight: 600; }

.task-row { display:flex; align-items:center; gap:.75rem; padding:.7rem 0; border-bottom:1px solid var(--line); }
.task-row:last-child { border-bottom:0; }
.checkbox { width:20px; height:20px; border-radius:6px; border:2px solid var(--line-strong); flex:none; display:grid; place-items:center; color:transparent; transition: all .15s; }
.checkbox.is-checked { background: var(--brand); border-color: var(--brand); color:#fff; }
.checkbox svg { width:12px; height:12px; }
.task-row.is-done .task-label { color: var(--ink-3); text-decoration: line-through; }

/* Feedback bubble */
.feedback-item { display:flex; gap:.8rem; padding: 1rem; border-radius: var(--r-md); background: var(--surface-2); }
.feedback-item--mentor { background: var(--brand-wash); border:1px solid var(--brand-tint-2); }

/* Tabs */
.tabs { display:flex; gap:.25rem; border-bottom:1px solid var(--line); overflow-x:auto; }
.tab {
  padding: .8rem 1rem; font-weight:500; font-size:.92rem; color: var(--ink-3);
  border-bottom: 2px solid transparent; white-space:nowrap; transition: all .15s;
}
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--ink); border-bottom-color: var(--brand); font-weight:600; }
.tab-panel { display:none; }
.tab-panel.is-active { display:block; animation: fade .3s var(--ease); }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .app-sidebar { position: fixed; z-index: 60; transform: translateX(-100%); transition: transform .25s var(--ease); width: 264px; }
  .app-sidebar.is-open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .app-mobile-bar { display:flex !important; }
}
.app-mobile-bar { display:none; }

/* ----------------------------------------------------------------------------
   19. Forms (filters / enrollment)
---------------------------------------------------------------------------- */
.field { display:flex; flex-direction:column; gap:.4rem; }
.field label { font-size:.85rem; font-weight:600; color: var(--ink); }
.input, .select {
  width:100%; padding:.8rem 1rem; border-radius: var(--r); border:1px solid var(--line-2);
  background: var(--surface); font-size:.95rem; transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus { outline:none; border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-wash); }
.select { appearance:none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237C808B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position: right 1rem center; padding-right:2.5rem; }

/* ----------------------------------------------------------------------------
   20. Footer
---------------------------------------------------------------------------- */
.site-footer { background: var(--brand-deep); color: rgba(255,255,255,.72); padding-top: clamp(56px, 8vw, 88px); }
.site-footer a { color: rgba(255,255,255,.72); transition: color .15s; }
.site-footer a:hover { color: #fff; }
.footer-grid { display:grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 2.5rem; }
.footer-col h5 { color: #fff; font-family: var(--font-display); font-size:.82rem; letter-spacing:.06em; text-transform:uppercase; margin-bottom:1.1rem; font-weight:600;}
.footer-col ul { display:grid; gap:.7rem; }
.footer-col a { font-size:.92rem; }
.footer-brand .brand { color:#fff; }
.footer-bottom { margin-top: clamp(40px,6vw,64px); padding: 1.6rem 0; border-top:1px solid rgba(255,255,255,.12); display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; align-items:center; font-size:.85rem; }
@media (max-width: 860px){ .footer-grid { grid-template-columns: 1fr 1fr; gap:2rem; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 520px){ .footer-grid { grid-template-columns: 1fr; } }

/* ----------------------------------------------------------------------------
   21. CTA band
---------------------------------------------------------------------------- */
.cta-band {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 140% at 15% 0%, #2A1C8C 0%, var(--brand-deep) 55%, #120B39 100%);
  color:#fff; border-radius: var(--r-2xl);
  padding: clamp(2.6rem, 6vw, 4.6rem);
}
.cta-band h2 { color:#fff; }
.cta-band .muted { color: rgba(255,255,255,.7); }
.cta-band__glow { position:absolute; width: 460px; height: 460px; border-radius:50%; background: radial-gradient(circle, rgba(122,95,255,.45), transparent 65%); filter: blur(30px); right:-80px; top:-120px; pointer-events:none; }

/* ----------------------------------------------------------------------------
   22. Misc utilities
---------------------------------------------------------------------------- */
.flex { display:flex; }
.items-center { align-items:center; }
.justify-between { justify-content:space-between; }
.gap-sm { gap:.5rem; } .gap { gap:1rem; } .gap-lg { gap:1.6rem; }
.wrap { flex-wrap: wrap; }
.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-6{margin-top:3rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}
.full{width:100%}.rel{position:relative}
.hide-mobile { }
.show-mobile { display:none !important; }
@media (max-width: 700px){ .hide-mobile{ display:none !important; } .show-mobile{ display:revert !important; } }
.pill-note { display:inline-flex; align-items:center; gap:.5rem; padding:.45rem .9rem; border-radius:var(--r-pill); background: var(--surface); border:1px solid var(--line); font-size:.85rem; font-weight:500; box-shadow: var(--shadow-xs); }
.pill-note .dot { width:7px; height:7px; border-radius:50%; background: var(--verify); box-shadow:0 0 0 3px var(--verify-tint); }

/* Ethics/trust note */
.trust-note { display:flex; gap:.6rem; align-items:flex-start; font-size:.82rem; color: var(--ink-3); }
.trust-note svg { flex:none; width:16px; height:16px; margin-top:2px; color: var(--ink-3); }

/* ----------------------------------------------------------------------------
   23. Scroll reveal + animations
---------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
/* Safety net: if JavaScript is disabled, never hide content behind the reveal animation. */
@media (scripting: none) { .reveal { opacity: 1 !important; transform: none !important; } }
.reveal[data-delay="1"]{ transition-delay:.06s } .reveal[data-delay="2"]{ transition-delay:.12s }
.reveal[data-delay="3"]{ transition-delay:.18s } .reveal[data-delay="4"]{ transition-delay:.24s }
.reveal[data-delay="5"]{ transition-delay:.30s } .reveal[data-delay="6"]{ transition-delay:.36s }
@keyframes fade { from { opacity:0; transform: translateY(6px);} to { opacity:1; transform:none;} }
@keyframes floaty { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-8px);} }
.floaty { animation: floaty 6s ease-in-out infinite; }
.floaty--slow { animation-duration: 8s; }

/* Decorative grid / dots background */
.bg-grid { background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 42px 42px; }
.bg-dots { background-image: radial-gradient(var(--line-strong) 1px, transparent 1px); background-size: 22px 22px; }
.masked-fade { -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 40%, transparent 75%); mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 40%, transparent 75%); }

/* Selection */
::selection { background: var(--brand-tint-2); color: var(--brand-deep); }

/* Scrollbar (subtle) */
* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }