/* BuiltSuite — main stylesheet (Task 3, homepage v1)
   Consumes design tokens from tokens.css — the single source of truth.
   No hardcoded palette values here; everything derives from --bs-* tokens. */

@import url("tokens.css");

/* ---------- Reset / base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bs-bg);
  color: var(--bs-ink);
  font-family: var(--bs-font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.wrap {
  width: min(72rem, 100% - 3rem);
  margin-inline: auto;
}

/* ---------- Shared type ---------- */

.eyebrow {
  font-family: var(--bs-font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bs-accent);
  margin-bottom: 1.25rem;
}

.section-title {
  font-family: var(--bs-font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.section-sub {
  color: var(--bs-muted);
  max-width: 52ch;
  margin-top: 1rem;
}

section {
  padding-block: clamp(4rem, 9vw, 7.5rem);
}

/* ---------- Buttons ---------- */

.btn-primary {
  display: inline-block;
  font-family: var(--bs-font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  color: var(--bs-bg);
  background: var(--bs-ink);
  padding: 1rem 1.75rem;
  border: 1px solid var(--bs-ink);
  border-radius: 0.375rem;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease,
              transform 180ms ease, box-shadow 180ms ease;
}

.btn-primary:hover {
  background: var(--bs-accent);
  border-color: var(--bs-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--bs-accent) 30%, transparent);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-secondary {
  display: inline-block;
  font-family: var(--bs-font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  color: var(--bs-ink);
  background: transparent;
  padding: 1rem 1.75rem;
  border: 1px solid color-mix(in srgb, var(--bs-ink) 35%, transparent);
  border-radius: 0.375rem;
  text-decoration: none;
  transition: border-color 160ms ease;
}

.btn-secondary:hover {
  border-color: var(--bs-ink);
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid color-mix(in srgb, var(--bs-ink) 12%, transparent);
  padding-block: 1.25rem;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.site-logo {
  display: inline-flex;
  color: var(--bs-ink);
  text-decoration: none;
}

.site-logo svg {
  height: 1.75rem;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  color: color-mix(in srgb, var(--bs-ink) 75%, var(--bs-muted));
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--bs-ink);
}

.site-header .btn-primary {
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  white-space: nowrap;
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(5rem, 11vw, 9rem) clamp(4rem, 8vw, 6.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero h1 {
  font-family: var(--bs-font-display);
  font-size: clamp(2.5rem, 5.2vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.hero .lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: color-mix(in srgb, var(--bs-ink) 70%, var(--bs-muted));
  max-width: 46ch;
  margin-top: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.25rem;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--bs-muted);
  margin-top: 1.25rem;
}

/* Demo slot — placeholder until the import capture is recorded (Task 11). */
.demo-frame {
  border: 1px solid color-mix(in srgb, var(--bs-ink) 18%, transparent);
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--bs-ink) 4%, var(--bs-bg));
  aspect-ratio: 16 / 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  padding: 2rem;
}

.demo-frame .demo-badge {
  font-family: var(--bs-font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bs-accent);
  border: 1px solid color-mix(in srgb, var(--bs-accent) 45%, transparent);
  border-radius: 999px;
  padding: 0.375rem 0.875rem;
}

.demo-frame p {
  font-size: 0.9375rem;
  color: var(--bs-muted);
  max-width: 30ch;
}

/* Code-drawn loop: three document marks cycling gentle escalation
   states (calm → follow-up → escalated) on a 6s loop. Pauses under
   prefers-reduced-motion. Pure CSS, no assets. */
.demo-loop {
  display: flex;
  align-items: flex-end;
  gap: 0.625rem;
  height: 3.5rem;
  margin-block: 0.5rem;
}

.demo-loop .doc {
  width: 2rem;
  height: 2.5rem;
  border: 2px solid color-mix(in srgb, var(--bs-ink) 30%, transparent);
  border-radius: 0.375rem;
  background:
    linear-gradient(color-mix(in srgb, var(--bs-ink) 22%, transparent),
                    color-mix(in srgb, var(--bs-ink) 22%, transparent))
    0.375rem 0.5rem / 1.25rem 2px no-repeat,
    linear-gradient(color-mix(in srgb, var(--bs-ink) 22%, transparent),
                    color-mix(in srgb, var(--bs-ink) 22%, transparent))
    0.375rem 0.95rem / 0.875rem 2px no-repeat,
    color-mix(in srgb, var(--bs-ink) 3%, var(--bs-bg));
  animation: doc-escalate 6s ease-in-out infinite;
}

.demo-loop .doc:nth-child(2) {
  animation-delay: 2s;
}

.demo-loop .doc:nth-child(3) {
  animation-delay: 4s;
}

@keyframes doc-escalate {
  0%, 22% {
    border-color: color-mix(in srgb, var(--bs-ink) 30%, transparent);
    transform: translateY(0);
  }
  32%, 55% {
    border-color: color-mix(in srgb, var(--bs-accent) 65%, transparent);
    transform: translateY(-4px);
  }
  65%, 88% {
    border-color: var(--bs-accent);
    transform: translateY(-8px);
    box-shadow: 0 6px 14px color-mix(in srgb, var(--bs-accent) 22%, transparent);
  }
  100% {
    border-color: color-mix(in srgb, var(--bs-ink) 30%, transparent);
    transform: translateY(0);
    box-shadow: none;
  }
}

/* ---------- How it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 3rem;
  counter-reset: step;
}

.step {
  border-top: 2px solid var(--bs-ink);
  padding-top: 1.5rem;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--bs-font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--bs-accent);
  margin-bottom: 0.875rem;
}

.step h3 {
  font-family: var(--bs-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--bs-muted);
  font-size: 0.96875rem;
}

/* ---------- Cards (what's inside) ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.card {
  background: color-mix(in srgb, var(--bs-ink) 3%, var(--bs-bg));
  border: 1px solid color-mix(in srgb, var(--bs-ink) 12%, transparent);
  border-radius: 0.625rem;
  padding: 1.75rem;
  transition: border-color 160ms ease;
}

/* Staggered entrance: hidden only when JS is active (html.js),
   revealed by IntersectionObserver adding .in. Reduced-motion
   users get the cards instantly (see media query at the end). */
.js .card-grid .card {
  opacity: 0;
  transform: translateY(14px);
}

.js .card-grid .card.in {
  opacity: 1;
  transform: none;
  transition: opacity 480ms ease var(--stagger, 0ms),
              transform 480ms ease var(--stagger, 0ms),
              border-color 160ms ease;
}

.card:hover {
  border-color: color-mix(in srgb, var(--bs-ink) 35%, transparent);
}

.card h3 {
  font-family: var(--bs-font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9375rem;
  color: var(--bs-muted);
}

/* ---------- Product card ---------- */

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  border: 2px solid var(--bs-ink);
  border-radius: 0.75rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  margin-top: 3rem;
}

.product-card h3 {
  font-family: var(--bs-font-display);
  font-size: clamp(1.375rem, 2.6vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.product-card .product-desc {
  color: var(--bs-muted);
  max-width: 52ch;
}

.product-card .product-includes {
  list-style: none;
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.9375rem;
  color: color-mix(in srgb, var(--bs-ink) 80%, var(--bs-muted));
}

.product-card .product-includes li::before {
  content: "";
  display: inline-block;
  width: 0.75rem;
  height: 2px;
  background: var(--bs-accent);
  border-radius: 1px;
  margin-right: 0.5rem;
  vertical-align: 0.2em;
}

.product-price {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.product-price .amount {
  font-family: var(--bs-font-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.product-price .terms {
  font-size: 0.875rem;
  color: var(--bs-muted);
  margin-bottom: 1rem;
}

.compare-note {
  margin-top: 2rem;
  font-size: 0.9375rem;
  color: var(--bs-muted);
  max-width: 62ch;
  border-left: 3px solid var(--bs-accent);
  padding-left: 1rem;
}

/* ---------- FAQ ---------- */

.faq-list {
  margin-top: 3rem;
  border-top: 1px solid color-mix(in srgb, var(--bs-ink) 15%, transparent);
}

.faq-list details {
  border-bottom: 1px solid color-mix(in srgb, var(--bs-ink) 15%, transparent);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  font-family: var(--bs-font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 1.5rem 0;
}

.faq-list summary::after {
  content: "+";
  font-weight: 400;
  font-size: 1.375rem;
  color: var(--bs-accent);
  flex-shrink: 0;
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list .faq-answer {
  color: var(--bs-muted);
  max-width: 62ch;
  padding-bottom: 1.5rem;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid color-mix(in srgb, var(--bs-ink) 12%, transparent);
  padding-block: 3rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.5rem;
}

.site-footer .site-logo svg {
  height: 1.375rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-left: auto;
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--bs-muted);
  text-decoration: none;
  transition: color 160ms ease;
}

.footer-links a:hover {
  color: var(--bs-ink);
}

.footer-contact {
  width: 100%;
  font-size: 0.875rem;
  color: var(--bs-muted);
}

.footer-contact a {
  color: var(--bs-ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--bs-accent) 60%, transparent);
}

/* ---------- Responsive ---------- */

@media (max-width: 56rem) {
  .hero-grid,
  .product-card {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .product-price {
    text-align: left;
    align-items: flex-start;
  }

  .site-nav {
    display: none;
  }
}

/* ---------- Motion: reduced-motion override ---------- */

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

  .js .card-grid .card,
  .js .card-grid .card.in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .demo-loop .doc {
    animation: none;
  }

  .btn-primary,
  .btn-primary:hover {
    transform: none;
    transition: background 160ms ease, color 160ms ease;
  }
}

/* ---------- Product page (Task 4) ---------- */

.page-hero {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(2.5rem, 5vw, 4rem);
}

.page-hero h1 {
  font-family: var(--bs-font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 20ch;
}

.page-hero .lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: color-mix(in srgb, var(--bs-ink) 70%, var(--bs-muted));
  max-width: 52ch;
  margin-top: 1.5rem;
}

/* Before / after transformation */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.compare-col {
  border: 1px solid color-mix(in srgb, var(--bs-ink) 12%, transparent);
  border-radius: 0.625rem;
  padding: 1.75rem;
  background: color-mix(in srgb, var(--bs-ink) 3%, var(--bs-bg));
}

.compare-col.after {
  border-color: color-mix(in srgb, var(--bs-accent) 45%, transparent);
  background: color-mix(in srgb, var(--bs-accent) 6%, var(--bs-bg));
}

.compare-col h3 {
  font-family: var(--bs-font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bs-muted);
  margin-bottom: 1.25rem;
}

.compare-col.after h3 {
  color: var(--bs-accent);
}

.compare-col ul {
  list-style: none;
  display: grid;
  gap: 0.875rem;
  font-size: 0.96875rem;
  color: color-mix(in srgb, var(--bs-ink) 82%, var(--bs-muted));
}

.compare-col li {
  padding-left: 1.25rem;
  position: relative;
}

.compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 2px;
  background: var(--bs-muted);
  border-radius: 1px;
}

.compare-col.after li::before {
  background: var(--bs-accent);
}

/* Contents table */
.contents-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 3rem;
  font-size: 0.96875rem;
}

.contents-table caption {
  text-align: left;
  font-family: var(--bs-font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bs-muted);
  padding-bottom: 1rem;
}

.contents-table th,
.contents-table td {
  text-align: left;
  padding: 1.125rem 1rem 1.125rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--bs-ink) 12%, transparent);
  vertical-align: top;
}

.contents-table th {
  font-family: var(--bs-font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  width: 34%;
}

.contents-table td {
  color: var(--bs-muted);
}

.contents-table tbody tr:first-child th,
.contents-table tbody tr:first-child td {
  border-top: 2px solid var(--bs-ink);
}

/* Guarantee + honest-scope callouts */
.callout {
  border-left: 3px solid var(--bs-accent);
  background: color-mix(in srgb, var(--bs-accent) 5%, var(--bs-bg));
  border-radius: 0 0.625rem 0.625rem 0;
  padding: 1.75rem 2rem;
  margin-top: 3rem;
  max-width: 46rem;
}

.callout h3 {
  font-family: var(--bs-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.625rem;
}

.callout p {
  color: color-mix(in srgb, var(--bs-ink) 78%, var(--bs-muted));
  font-size: 0.96875rem;
}

.scope-list {
  list-style: none;
  margin-top: 2.5rem;
  display: grid;
  gap: 1rem;
  max-width: 46rem;
}

.scope-list li {
  border: 1px solid color-mix(in srgb, var(--bs-ink) 12%, transparent);
  border-radius: 0.625rem;
  padding: 1.25rem 1.5rem;
  font-size: 0.96875rem;
  color: color-mix(in srgb, var(--bs-ink) 82%, var(--bs-muted));
}

.scope-list strong {
  color: var(--bs-ink);
}

/* Buy block */
.buy-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.buy-note {
  font-size: 0.875rem;
  color: var(--bs-muted);
  margin-top: 1rem;
}

@media (max-width: 56rem) {
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .contents-table th,
  .contents-table td {
    display: block;
    width: 100%;
  }

  .contents-table th {
    padding-bottom: 0.25rem;
    border-bottom: none;
  }

  .contents-table td {
    padding-top: 0;
  }
}