:root {
  --sp-orange: #f58634;
  --sp-orange-soft: #ffb46c;
  --sp-charcoal: #323236;
  --sp-charcoal-deep: #171719;
  --sp-text: #c8d0d6;
  --sp-text-muted: #94a4af;
  --sp-white: #ffffff;
  --sp-surface: #f0f3f2;
  --sp-stroke: rgba(255, 255, 255, 0.12);
  --sp-glow: rgba(245, 134, 52, 0.2);
  --page-max: 1200px;
  --radius: 28px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-block-size: 100dvb;
  font-family: "Source Sans 3", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(245, 134, 52, 0.22), transparent 32%),
    radial-gradient(circle at 82% 12%, rgba(229, 193, 141, 0.14), transparent 24%),
    linear-gradient(180deg, #222326 0%, #171719 48%, #111113 100%);
  color: var(--sp-white);
  accent-color: var(--sp-orange);
}

body.modal-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 88%);
  opacity: 0.45;
}

::selection {
  background: rgba(245, 134, 52, 0.28);
}

body,
.checklist {
  scrollbar-color: rgba(245, 134, 52, 0.72) rgba(255, 255, 255, 0.06);
}

::-webkit-scrollbar {
  inline-size: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--sp-orange), var(--sp-orange-soft));
  border-radius: 999px;
}

.page-shell {
  position: relative;
  z-index: 1;
}

.section {
  inline-size: min(calc(100% - 2rem), var(--page-max));
  margin-inline: auto;
}

.hero {
  padding-block: clamp(2rem, 4vw, 3rem) clamp(2rem, 6vw, 4.5rem);
}

.eyebrow,
.brand,
.panel-label,
.summary-label,
.group-index {
  font-family: "Montserrat", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--sp-orange-soft);
  font-size: 0.78rem;
}

.hero-grid {
  display: grid;
  gap: 1.5rem;
  align-items: stretch;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.8fr);
}

.hero-copy,
.progress-panel,
.summary-strip,
.checklist-group,
.key-points,
.success-strip {
  position: relative;
  overflow: clip;
  border: 1px solid var(--sp-stroke);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy {
  min-block-size: min(72svh, 760px);
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: clamp(26px, 4vw, 42px);
  display: grid;
  align-content: end;
  gap: 1rem;
}

.hero-copy::after,
.progress-panel::after,
.checklist-group::after {
  content: "";
  position: absolute;
  inset: auto -10% -25% auto;
  inline-size: 260px;
  block-size: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--sp-glow), transparent 68%);
  pointer-events: none;
}

.brand {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.84rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  line-height: 0.94;
}

h1 {
  max-inline-size: 10ch;
  font-size: clamp(3rem, 8vw, 6.2rem);
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  text-wrap: balance;
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
}

.hero-text,
.summary-strip p,
.group-header p,
.success-strip p,
.key-points li {
  color: var(--sp-text);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.5;
}

.hero-text {
  max-inline-size: 34rem;
  margin: 0;
}

.progress-panel {
  border-radius: 28px;
  padding: 1.5rem;
  display: grid;
  gap: 1.1rem;
  align-content: start;
}

.progress-ring {
  --progress-angle: 0deg;
  display: grid;
  place-items: center;
  inline-size: clamp(170px, 28vw, 230px);
  aspect-ratio: 1;
  margin-inline: auto;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.08) 0 52%, transparent 53%),
    conic-gradient(var(--sp-orange) var(--progress-angle), rgba(255, 255, 255, 0.1) 0);
}

.progress-ring__inner {
  inline-size: calc(100% - 24px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(15, 15, 17, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.progress-ring__inner strong {
  display: block;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
}

.progress-ring__inner span,
.panel-note {
  color: var(--sp-text-muted);
}

.progress-meta {
  display: grid;
  gap: 0.45rem;
}

.progress-meta p {
  margin: 0;
}

.progress-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.15rem;
  font: 700 0.96rem "Montserrat", sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--sp-charcoal-deep);
  background: var(--sp-orange);
  transition: transform 180ms ease, filter 180ms ease, background-color 180ms ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

button:focus-visible,
input:focus-visible + span {
  outline: 2px solid rgba(255, 255, 255, 0.76);
  outline-offset: 4px;
}

button.ghost {
  color: var(--sp-white);
  background: rgba(255, 255, 255, 0.08);
}

.content {
  display: grid;
  gap: 1.5rem;
  padding-block-end: 3rem;
}

.summary-strip {
  border-radius: 24px;
  padding: 1.2rem 1.3rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.summary-strip p {
  margin: 0;
}

.summary-label,
.panel-label {
  margin: 0 0 0.3rem;
  color: var(--sp-orange-soft);
  font-size: 0.72rem;
}

.checklist-layout {
  display: grid;
  gap: 1rem;
}

.section-heading {
  display: grid;
  gap: 0.35rem;
}

.checklist-columns {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checklist-group {
  padding: 1.35rem;
  border-radius: 24px;
  container-type: inline-size;
  scrollbar-gutter: stable;
}

.group-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding-block-end: 1rem;
  margin-block-end: 1rem;
  border-block-end: 1px solid rgba(255, 255, 255, 0.1);
}

.group-header p {
  margin: 0.2rem 0 0;
}

.group-index {
  margin: 0;
  color: var(--sp-orange);
  font-size: clamp(1.8rem, 6cqi, 3rem);
  line-height: 1;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.checklist-item {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.checklist-item label {
  position: relative;
  display: grid;
  flex: 1 1 auto;
  min-inline-size: 0;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
  padding: 0.9rem 0.95rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.checklist-item label:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
}

.checklist-item:has(.context-trigger:hover) label,
.checklist-item:has(.context-trigger:focus-visible) label {
  background: rgba(255, 255, 255, 0.05);
}

.checklist input[type="checkbox"] {
  inline-size: 1.15rem;
  block-size: 1.15rem;
  margin: 0.18rem 0 0;
}

.checklist input[type="checkbox"]:checked + span {
  color: var(--sp-white);
}

.checklist input[type="checkbox"]:checked + span::before {
  opacity: 1;
}

.checklist span {
  position: relative;
  display: block;
  color: var(--sp-text);
  line-height: 1.45;
}

.checklist span::before {
  content: "";
  position: absolute;
  inset: auto 0 -0.35rem;
  block-size: 1px;
  background: linear-gradient(90deg, var(--sp-orange), transparent);
  opacity: 0;
  transition: opacity 180ms ease;
}

.context-trigger {
  flex: 0 0 auto;
  align-self: center;
  inline-size: 2.4rem;
  block-size: 2.4rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--sp-white);
  font-size: 1rem;
  line-height: 1;
  box-shadow: none;
}

.context-trigger span {
  display: inline-grid;
  place-items: center;
  inline-size: 100%;
  block-size: 100%;
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  text-transform: none;
}

.context-trigger:hover,
.context-trigger:focus-visible {
  background: linear-gradient(180deg, var(--sp-orange), #ff9f4d);
  color: var(--sp-charcoal-deep);
}

.key-points,
.success-strip {
  border-radius: 24px;
  padding: clamp(1.35rem, 3vw, 2rem);
}

.answers-list {
  margin: 1.25rem 0 0;
  padding-inline-start: 1.25rem;
  display: grid;
  gap: 0.65rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.context-modal {
  inline-size: min(640px, calc(100% - 1.25rem));
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(245, 134, 52, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(38, 39, 43, 0.98), rgba(18, 18, 20, 0.98));
  color: var(--sp-white);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

.context-modal[open] {
  display: grid;
}

.context-modal::backdrop {
  background: rgba(7, 7, 9, 0.74);
  backdrop-filter: blur(8px);
}

.context-modal__panel {
  position: relative;
  padding: clamp(1.1rem, 2.6vw, 1.55rem);
  display: grid;
  gap: 0.7rem;
}

.context-modal__close-row {
  position: absolute;
  inset: 1rem 1rem auto auto;
  margin: 0;
}

.context-modal__close {
  min-inline-size: auto;
  padding: 0.55rem 0.8rem;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.06);
  color: var(--sp-white);
  backdrop-filter: blur(10px);
}

.context-modal__eyebrow {
  margin: 0;
  color: var(--sp-orange-soft);
  font: 700 0.72rem "Montserrat", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  max-inline-size: calc(100% - 5.5rem);
}

#context-modal-title {
  max-inline-size: 12ch;
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 0.95;
  text-wrap: balance;
}

.context-modal__summary,
.context-modal__block li,
.context-modal__block p {
  margin: 0;
  color: var(--sp-text);
  font-size: 0.96rem;
  line-height: 1.48;
}

.context-modal__summary {
  max-inline-size: 54ch;
}

.context-modal__grid {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.15rem;
}

.context-modal__block {
  padding-top: 0.72rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.context-modal__block h3 {
  margin: 0 0 0.38rem;
  font-size: 0.95rem;
  line-height: 1.15;
}

.context-modal__block ul {
  margin: 0;
  padding-inline-start: 0.95rem;
  display: grid;
  gap: 0.3rem;
}

@media (min-width: 860px) {
  .context-modal__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 1rem;
  }

  .context-modal__block:last-child {
    grid-column: 1 / -1;
  }
}

@supports (container-type: inline-size) {
  @container (max-width: 35rem) {
    .group-header {
      grid-template-columns: 1fr;
      gap: 0.45rem;
    }
  }
}

@supports not (accent-color: var(--sp-orange)) {
  .checklist input[type="checkbox"] {
    position: absolute !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    inline-size: 1px !important;
    block-size: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    white-space: nowrap !important;
  }

  .checklist-item label {
    padding-inline-start: 3rem;
  }

  .checklist span::after {
    content: "";
    position: absolute;
    inset-inline-start: -2rem;
    inset-block-start: 0.08rem;
    inline-size: 1.2rem;
    block-size: 1.2rem;
    border-radius: 0.35rem;
    border: 2px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
    transition: background-color 180ms ease, border-color 180ms ease;
  }

  .checklist input[type="checkbox"]:checked + span::after {
    content: "✓";
    display: grid;
    place-items: center;
    background: var(--sp-orange);
    border-color: var(--sp-orange);
    color: var(--sp-charcoal-deep);
    font-family: "Montserrat", sans-serif;
    font-size: 0.82rem;
    font-weight: 800;
  }

  .checklist input[type="checkbox"]:checked + span::before {
    opacity: 0;
  }

  .checklist input[type="checkbox"]:focus-visible + span::after {
    outline: 2px solid rgba(255, 255, 255, 0.76);
    outline-offset: 4px;
  }
}

@media (max-width: 960px) {
  .hero-grid,
  .summary-strip,
  .checklist-columns {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-block-size: auto;
  }

  .context-modal__close-row {
    inset: 0.8rem 0.8rem auto auto;
  }

  #context-modal-title,
  .context-modal__eyebrow {
    max-inline-size: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}