/* ==========================================================================
   Website in a Day — styles.css
   Built to design-handoff.md §2-8 specifications.
   Token-driven. Mobile-first. WCAG 2.2 AA.
   ========================================================================== */

/* ===== §2 Palette ===== */
:root {
  --canvas: #FBF8F2;
  --surface: #FFFFFF;
  --surface-warm: #F1ECE3;
  --ink: #1F2A2E;
  --ink-soft: #526268;
  --line: #D9E0DC;
  --accent: #B44A2E;
  --accent-strong: #84331F;
  --accent-soft: #F4DED5;
  --success: #2E6B50;

  /* ===== §3 Typography — fluid type scale ===== */
  --text-display: clamp(2.75rem, 2.1rem + 3.5vw, 5rem);
  --text-h1: clamp(2.25rem, 1.8rem + 2.2vw, 3.5rem);
  --text-h2: clamp(1.75rem, 1.45rem + 1.2vw, 2.5rem);
  --text-h3: clamp(1.25rem, 1.1rem + 0.55vw, 1.5rem);
  --text-lead: clamp(1.125rem, 1.02rem + 0.3vw, 1.3rem);
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-micro: 0.75rem;

  /* Font families */
  --font-display: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, monospace;

  /* ===== §4 Spacing — 8px base grid ===== */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-7: 56px;
  --space-8: 64px;
  --space-9: 72px;
  --space-10: 80px;
  --space-11: 88px;
  --space-12: 96px;

  /* Semantic spacing */
  --gutter-mobile: 20px;
  --gutter-tablet: 32px;
  --gutter-desktop: 48px;
  --section-padding-mobile: 72px;
  --section-padding-desktop: 96px;
  --content-max-width: 1180px;
  --readable-max-width: 68ch;

  /* ===== §4 Radii ===== */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* ===== §8 Motion ===== */
  --ease-reveal: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 180ms;
  --duration-menu: 250ms;
  --duration-reveal: 280ms;

  /* Layout breakpoints */
  --bp-tablet: 720px;
  --bp-desktop: 1100px;
}

/* ===== Reset / base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
}

h1 {
  font-size: var(--text-h1);
  line-height: 1.15;
}

h2 {
  font-size: var(--text-h2);
  line-height: 1.25;
}

h3 {
  font-size: var(--text-h3);
  line-height: 1.3;
}

h4 {
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1.4;
}

p {
  line-height: 1.6;
  max-width: var(--readable-max-width);
}

.lead {
  font-size: var(--text-lead);
  line-height: 1.5;
  color: var(--ink-soft);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-2);
}

a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition: text-decoration-thickness var(--duration-fast) ease,
              text-underline-offset var(--duration-fast) ease;
}

a:hover {
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

ul {
  list-style: none;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--gutter-mobile);
}

.container--narrow {
  max-width: 820px;
}

.section {
  padding-block: var(--section-padding-mobile);
}

.section--hero {
  position: relative;
  overflow: hidden;
  min-height: 580px;
  padding-top: calc(var(--section-padding-mobile) + 48px);
  color: var(--surface);
}

/* Hero scrim — dark gradient over background image for WCAG AA text contrast */
.section--hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    105deg,
    rgba(31, 42, 46, 0.78) 0%,
    rgba(31, 42, 46, 0.68) 100%
  );
}

.section--hero h1 {
  color: var(--surface);
}

.section--hero .lead {
  color: var(--canvas);
}

.section--hero .eyebrow {
  color: var(--accent-soft);
}

/* Visible focus on hero — white outline, never colour-only */
.section--hero :focus-visible {
  outline-color: var(--surface);
}

.section__intro {
  margin-bottom: var(--space-6);
  max-width: var(--readable-max-width);
}

.section__intro h2 {
  margin-bottom: var(--space-2);
}

/* Section backgrounds — rhythm per design-handoff §Inverted section treatment */
.section--problem {
  background-color: var(--accent-strong);
}

.section--capabilities {
  background-color: var(--surface-warm);
}

.section--offer {
  background-color: var(--canvas);
}

.section--process {
  background-color: var(--accent-strong);
}

.section--proof {
  background-color: var(--ink);
}

.section--faq {
  background-color: var(--surface-warm);
}

.section--contact {
  background-color: var(--canvas);
}

/* ===== Inverted section treatments (design-handoff §Inverted section treatment) ===== */

/* Terracotta inverted sections (Problem, Process) — light text on deep terracotta */
.section--terracotta {
  color: var(--surface);
}

.section--terracotta h2 {
  color: var(--surface);
}

.section--terracotta .lead {
  color: var(--accent-soft);
}

.section--terracotta .eyebrow {
  color: var(--accent-soft);
}

.section--terracotta .bridge-line {
  color: var(--surface);
}

/* Light cards on terracotta keep dark ink text (section-terracotta-card pattern) */
.section--terracotta .problem__gap,
.section--terracotta .problem__cost {
  color: var(--ink);
}

/* Visible focus on terracotta — white outline, never colour-only */
.section--terracotta :focus-visible {
  outline-color: var(--surface);
}

/* Ink inverted sections (Proof, Footer) — light text on dark blue-green */
.section--ink {
  color: var(--surface);
}

.section--ink h2,
.section--ink h3,
.section--ink h4 {
  color: var(--surface);
}

.section--ink .eyebrow {
  color: var(--accent-soft);
}

.section--ink .lead {
  color: var(--line);
}

/* Visible focus on ink — white outline, never colour-only */
.section--ink :focus-visible {
  outline-color: var(--surface);
}

/* Warm surface sections (Capabilities, FAQ) — dark text on warm ground */
.section--warm {
  color: var(--ink);
}

/* ===== Skip link ===== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  z-index: 1000;
  padding: var(--space-2) var(--space-3);
  background-color: var(--ink);
  color: var(--surface);
  font-size: var(--text-small);
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  top: 0;
}

/* ===== Focus states (WCAG 2.2 AA — never colour-only) ===== */
:focus-visible {
  outline: 3px solid var(--accent-strong);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(251, 248, 242, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding-block: var(--space-1);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-small);
  color: var(--ink);
  text-decoration: none;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--accent-strong);
  color: var(--surface);
  border-radius: var(--radius-sm);
  font-size: var(--text-body);
  font-weight: 700;
}

/* Mobile menu toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle__icon--close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon--open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon--close {
  display: block;
}

/* Mobile nav menu — slide-down panel */
.nav-menu {
  position: fixed;
  top: 61px;
  left: 0;
  right: 0;
  background-color: var(--canvas);
  border-bottom: 1px solid var(--line);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--duration-menu) var(--ease-reveal),
              opacity var(--duration-menu) ease,
              visibility 0s linear var(--duration-menu);
  z-index: 99;
}

.nav-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform var(--duration-menu) var(--ease-reveal),
              opacity var(--duration-menu) ease,
              visibility 0s;
}

.nav-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2) var(--gutter-mobile) var(--space-4);
}

.nav-menu__link {
  display: block;
  padding: var(--space-2);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--radius-sm);
  min-height: 48px;
  display: flex;
  align-items: center;
}

.nav-menu__link:hover,
.nav-menu__link:focus-visible {
  background-color: var(--surface-warm);
  text-decoration: none;
}

.nav-menu__cta {
  margin-top: var(--space-1);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  padding: 14px 24px;
  min-height: 48px;
  transition: transform var(--duration-fast) ease,
              background-color var(--duration-fast) ease,
              color var(--duration-fast) ease;
  text-align: center;
}

.btn svg {
  flex-shrink: 0;
}

.btn--primary {
  background-color: var(--accent-strong);
  color: var(--surface);
}

.btn--primary:hover {
  background-color: var(--ink);
  color: var(--surface);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn--secondary:hover {
  background-color: var(--ink);
  color: var(--surface);
  transform: translateY(-1px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: var(--text-small);
  min-height: 40px;
}

.btn--full {
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero__content {
  max-width: 620px;
}

.hero__content h1 {
  margin-bottom: var(--space-2);
}

.hero__content .lead {
  margin-bottom: var(--space-3);
}

.hero__actions {
  margin-bottom: var(--space-3);
}

.hero__note {
  font-size: var(--text-small);
  color: rgba(251, 248, 242, 0.90);
  margin-bottom: var(--space-1);
}

.hero__trust {
  font-size: var(--text-small);
  color: rgba(251, 248, 242, 0.90);
}

.hero__trust a {
  color: var(--canvas);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Hero image — full-bleed background */
.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  z-index: 0;
}

/* ===== Problem section ===== */
.problem__gap,
.problem__cost {
  margin-top: var(--space-5);
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.problem__gap h3,
.problem__cost h3 {
  margin-bottom: var(--space-2);
}

.bridge-line {
  margin-top: var(--space-5);
  font-size: var(--text-lead);
  font-weight: 600;
  color: var(--ink);
  text-align: center;
  font-family: var(--font-display);
}

/* ===== Checklists ===== */
.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  line-height: 1.5;
}

.checklist__icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: var(--text-small);
  font-weight: 700;
  color: var(--accent);
  margin-top: 1px;
}

.checklist--accent .checklist__icon {
  color: var(--accent-strong);
}

.checklist--compact li {
  font-size: var(--text-small);
  color: var(--ink-soft);
  padding-left: 0;
}

.checklist--compact li::before {
  content: "•";
  color: var(--accent);
  margin-right: var(--space-1);
}

.checklist--compact {
  padding-left: var(--space-1);
  list-style: disc;
  color: var(--ink-soft);
}

.checklist--compact li {
  display: list-item;
}

.checklist--compact li::before {
  content: none;
}

/* ===== Capabilities ===== */
.capabilities-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.capability {
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.capability__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.capability h3 {
  margin-bottom: var(--space-1);
}

.capability p {
  font-size: var(--text-small);
  color: var(--ink-soft);
}

.boundary-note {
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-small);
  color: var(--ink-soft);
  background-color: var(--accent-soft);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

/* ===== Pricing ===== */
.pricing-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card--pricing {
  display: flex;
  flex-direction: column;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.card__header {
  margin-bottom: var(--space-2);
}

.card__title {
  font-size: var(--text-h3);
  margin-bottom: var(--space-1);
}

.card__price {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
}

.card__price-prefix {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--ink-soft);
  margin-right: var(--space-1);
}

.card__fit {
  font-size: var(--text-small);
  color: var(--ink-soft);
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.card__sections {
  font-size: var(--text-small);
  color: var(--ink-soft);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line);
}

.card__subheading {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}

.card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  font-size: var(--text-small);
  line-height: 1.5;
}

.card__check {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: var(--text-small);
  font-weight: 700;
  color: var(--success);
  margin-top: 1px;
}

.card__support {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--line);
}

.card__support-label {
  font-size: var(--text-micro);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.card__support-text {
  font-size: var(--text-small);
  color: var(--ink-soft);
}

/* Offer extras */
.offer-exclusions,
.offer-ownership {
  margin-top: var(--space-5);
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.offer-exclusions h3,
.offer-ownership h3 {
  margin-bottom: var(--space-2);
}

.offer-split {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.offer-split__col {
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.offer-split__col h3 {
  margin-bottom: var(--space-1);
}

/* ===== Process ===== */
.process-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.process-step {
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.process-step__number {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--accent);
  margin-bottom: var(--space-1);
}

.process-step h3 {
  margin-bottom: var(--space-1);
}

.process-step p {
  font-size: var(--text-small);
  color: var(--ink-soft);
}

.process-step__details {
  margin-top: var(--space-2);
}

.process-step__details summary {
  cursor: pointer;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--accent-strong);
  padding: var(--space-1) 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.process-step__details summary:hover {
  text-decoration: underline;
}

.process-step__details[open] summary {
  margin-bottom: var(--space-1);
}

.process-step__details .checklist {
  margin-top: var(--space-1);
}

.timing-note {
  margin-top: var(--space-5);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-small);
  color: var(--ink-soft);
  background-color: var(--accent-soft);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

/* ===== Proof ===== */
.proof-content {
  max-width: var(--readable-max-width);
}

.proof-content h2 {
  margin-bottom: var(--space-2);
}

.proof-content p {
  margin-bottom: var(--space-2);
}

.proof-content .btn {
  margin-bottom: var(--space-3);
}

.proof-note {
  font-size: var(--text-small);
  color: var(--ink-soft);
  padding: var(--space-2) var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

/* ===== FAQ ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.faq-item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-body);
  color: var(--ink);
  min-height: 48px;
  display: flex;
  align-items: center;
  list-style: none;
  transition: background-color var(--duration-fast) ease;
}

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

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform var(--duration-fast) ease;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  background-color: var(--surface-warm);
}

.faq-item p {
  padding: 0 var(--space-3) var(--space-3);
  font-size: var(--text-small);
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ===== Contact / Form ===== */
.contact-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-form-wrapper h2 {
  margin-bottom: var(--space-2);
}

.contact-form-wrapper .lead {
  margin-bottom: var(--space-4);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-field label {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--ink);
}

.form-field__required {
  font-size: var(--text-micro);
  font-weight: 500;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 4px;
}

.form-field__optional {
  font-size: var(--text-micro);
  font-weight: 500;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 4px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  min-height: 48px;
  padding: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast) ease;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--ink-soft);
}

.form-field textarea {
  resize: vertical;
  min-height: 80px;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: 3px solid var(--accent-strong);
  outline-offset: 3px;
  border-color: var(--accent);
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: var(--accent-strong);
  border-width: 2px;
}

.form-error {
  font-size: var(--text-small);
  color: var(--accent-strong);
  min-height: 0;
  font-weight: 500;
}

.form-error:not(:empty) {
  margin-top: 4px;
}

/* Checkbox field */
.form-field--checkbox {
  flex-direction: row;
  align-items: flex-start;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  font-size: var(--text-small);
  color: var(--ink);
  font-weight: 400;
  cursor: pointer;
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  min-height: auto;
  accent-color: var(--accent-strong);
}

.checkbox-label span {
  max-width: none;
}

.checkbox-label a {
  color: var(--accent-strong);
}

/* Form states */
.form-success {
  padding: var(--space-3);
  background-color: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  text-align: center;
}

.form-success svg {
  color: var(--success);
  margin-bottom: var(--space-1);
}

.form-success h3 {
  margin-bottom: var(--space-1);
}

.form-success p {
  font-size: var(--text-small);
  color: var(--ink-soft);
  max-width: none;
}

.form-error-banner {
  padding: var(--space-2) var(--space-3);
  background-color: var(--accent-soft);
  border: 1px solid var(--accent-strong);
  border-radius: var(--radius-sm);
}

.form-error-banner p {
  font-size: var(--text-small);
  color: var(--accent-strong);
  font-weight: 500;
  max-width: none;
}

/* Contact alternatives panel */
.contact-alternatives {
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.contact-alternatives__title {
  font-size: var(--text-h3);
  margin-bottom: var(--space-1);
}

.contact-alternatives__intro {
  font-size: var(--text-small);
  color: var(--ink-soft);
  margin-bottom: var(--space-3);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2);
  background-color: var(--canvas);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.contact-item__icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: var(--radius-sm);
}

.contact-item__content {
  flex: 1;
}

.contact-item__label {
  font-size: var(--text-micro);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.reveal-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--accent-strong);
  background-color: var(--surface);
  border: 1px solid var(--accent-strong);
  border-radius: var(--radius-pill);
  cursor: pointer;
  min-height: 44px;
  transition: background-color var(--duration-fast) ease,
              color var(--duration-fast) ease;
}

.reveal-btn:hover {
  background-color: var(--accent-strong);
  color: var(--surface);
}

.reveal-btn.is-revealed {
  background-color: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
  cursor: default;
}

.reveal-link {
  color: var(--accent-strong);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  font-size: var(--text-small);
  word-break: break-all;
}

.contact-alternatives__note {
  font-size: var(--text-small);
  color: var(--ink-soft);
  padding-top: var(--space-2);
  border-top: 1px solid var(--line);
}

/* ===== Privacy notice ===== */
.section--privacy {
  background-color: var(--canvas);
}

.privacy-content p {
  margin-bottom: var(--space-2);
}

/* ===== Footer ===== */
.site-footer {
  padding-block: var(--space-4);
  background-color: var(--ink);
}

.site-footer__attribution {
  font-size: var(--text-small);
  color: var(--canvas);
  text-align: center;
  max-width: none;
  opacity: 0.9;
}

.site-footer__attribution a {
  color: var(--canvas);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer__attribution a:hover {
  text-decoration-thickness: 2px;
}

/* ===== Scroll reveal ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-reveal) var(--ease-reveal),
              transform var(--duration-reveal) var(--ease-reveal);
}

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

/* Stagger: children of revealed groups get incremental delays */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-reveal) var(--ease-reveal),
              transform var(--duration-reveal) var(--ease-reveal);
}

/* ===== Responsive: Tablet (≥720px) ===== */
@media (min-width: 720px) {
  .container {
    padding-inline: var(--gutter-tablet);
  }

  /* Nav: show full menu, hide toggle */
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: none;
    border: none;
    transition: none;
  }

  .nav-menu__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
    padding: 0;
  }

  .nav-menu__link {
    min-height: auto;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-small);
  }

  .nav-menu__cta {
    margin-top: 0;
  }

  /* Hero: full-bleed background with overlaid copy (no 2-column) */

  /* Problem section — 2-col card grid on desktop */
  .problem__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .problem__gap,
  .problem__cost {
    padding: var(--space-4);
  }

  /* Capabilities: 2-col grid */
  .capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  /* Pricing: 3-col grid */
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    align-items: stretch;
  }

  /* Offer split: 2-col */
  .offer-split {
    flex-direction: row;
  }

  .offer-split__col {
    flex: 1;
  }

  /* Process: horizontal row */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  /* Form: 2-col rows */
  .form-row {
    flex-direction: row;
  }

  .form-row .form-field {
    flex: 1;
  }

  /* Contact: side by side */
  .contact-layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .contact-form-wrapper {
    flex: 1 1 58%;
  }

  .contact-alternatives {
    flex: 0 0 36%;
  }
}

/* ===== Responsive: Desktop (≥1100px) ===== */
@media (min-width: 1100px) {
  .section {
    padding-block: var(--section-padding-desktop);
  }

  .section--hero {
    padding-top: calc(var(--section-padding-desktop) + 48px);
  }

  .container {
    padding-inline: var(--gutter-desktop);
  }

  /* Capabilities: 3-col on wide */
  .capabilities-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Process: 4-col on desktop */
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .process-step {
    padding: var(--space-4);
  }
}

/* ===== Reduced motion (WCAG 2.2 AA) ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
  }

  .btn:hover,
  .btn--primary:hover,
  .btn--secondary:hover {
    transform: none;
  }
}

/* ===== Print ===== */
@media print {
  .site-header,
  .nav-toggle,
  .nav-menu,
  .skip-link {
    display: none;
  }

  .section {
    padding-block: var(--space-3);
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  body {
    background-color: white;
    color: black;
  }
}