/* Synergy Website 2.0 - Global Design System */

:root {
  color-scheme: light;

  --color-bg: #f6f8fb;
  --color-surface: #ffffff;
  --color-surface-alt: #eef3f8;
  --color-ink: #101828;
  --color-ink-soft: #344054;
  --color-muted: #667085;
  --color-line: #d9e2ec;
  --color-brand: #2563eb;
  --color-brand-dark: #174ea6;
  --color-brand-soft: #e8f0ff;
  --color-growth: #0f9f6e;
  --color-growth-soft: #e7f8f1;
  --color-dark: #0b1220;
  --color-dark-soft: #111c2f;
  --color-warning: #f59e0b;

  --font-sans: Arial, Helvetica, sans-serif;

  --step--1: clamp(0.83rem, 0.81rem + 0.1vw, 0.9rem);
  --step-0: clamp(1rem, 0.96rem + 0.18vw, 1.08rem);
  --step-1: clamp(1.16rem, 1.08rem + 0.35vw, 1.33rem);
  --step-2: clamp(1.38rem, 1.23rem + 0.72vw, 1.78rem);
  --step-3: clamp(1.72rem, 1.43rem + 1.45vw, 2.46rem);
  --step-4: clamp(2.14rem, 1.63rem + 2.55vw, 3.54rem);
  --step-5: clamp(2.66rem, 1.82rem + 4.2vw, 5rem);

  --space-2xs: clamp(0.38rem, 0.34rem + 0.18vw, 0.5rem);
  --space-xs: clamp(0.63rem, 0.56rem + 0.32vw, 0.8rem);
  --space-sm: clamp(0.9rem, 0.78rem + 0.58vw, 1.2rem);
  --space-md: clamp(1.25rem, 1.03rem + 1.08vw, 1.85rem);
  --space-lg: clamp(1.8rem, 1.36rem + 2.2vw, 3rem);
  --space-xl: clamp(2.6rem, 1.8rem + 4vw, 4.75rem);
  --space-2xl: clamp(4rem, 2.55rem + 7.2vw, 8rem);

  --container: 1180px;
  --container-wide: 1360px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-soft: 0 18px 50px rgba(16, 24, 40, 0.08);
  --shadow-strong: 0 28px 80px rgba(16, 24, 40, 0.18);
  --transition: 180ms ease;
}

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

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

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  min-width: 320px;
}

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

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.45);
  outline-offset: 3px;
}

.skip-link {
  background: var(--color-dark);
  color: #fff;
  left: 1rem;
  padding: 0.75rem 1rem;
  position: absolute;
  top: -100px;
  z-index: 9999;
}

.skip-link:focus {
  top: 1rem;
}

/* Layout primitives */

.container,
section > .section-title,
section > .about-band,
section > .contact-box,
section > .definition-card,
section > .grid-2,
section > .grid-3,
section > .portfolio-grid,
section > .sources,
section > .pricing-grid,
section > .testimonial-grid,
section > .case-grid {
  margin-inline: auto;
  max-width: var(--container);
  width: min(100%, calc(100vw - 2rem));
}

.container-wide,
.hero,
.site-header__inner,
.footer-grid,
.footer-bottom {
  margin-inline: auto;
  max-width: var(--container-wide);
  width: min(100%, calc(100vw - 2rem));
}

section {
  padding: var(--space-2xl) 0;
}

.section-tight {
  padding: var(--space-xl) 0;
}

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

.section-dark {
  background: var(--color-dark);
  color: #fff;
}

.stack-sm > * + * {
  margin-top: var(--space-sm);
}

.stack-md > * + * {
  margin-top: var(--space-md);
}

.stack-lg > * + * {
  margin-top: var(--space-lg);
}

/* Typography */

h1,
h2,
h3,
h4 {
  color: var(--color-ink);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

h1 {
  font-size: var(--step-5);
}

h2 {
  font-size: var(--step-4);
}

h3 {
  font-size: var(--step-2);
  line-height: 1.12;
}

h4 {
  font-size: var(--step-1);
  line-height: 1.2;
}

p {
  color: var(--color-ink-soft);
}

.lead,
.hero p,
.page-hero p,
.section-title p {
  color: var(--color-ink-soft);
  font-size: var(--step-1);
  line-height: 1.55;
  max-width: 720px;
}

.eyebrow,
.tag,
.plan-label,
.project small,
.case-card small {
  align-items: center;
  color: var(--color-brand);
  display: inline-flex;
  font-size: var(--step--1);
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.tag,
.plan-label {
  background: var(--color-brand-soft);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
}

.text-muted {
  color: var(--color-muted);
}

.center {
  text-align: center;
}

.center p {
  margin-inline: auto;
}

/* Header and navigation */

.site-header {
  background: rgba(246, 248, 251, 0.9);
  border-bottom: 1px solid rgba(217, 226, 236, 0.86);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.site-header.scrolled,
.site-header.is-scrolled {
  box-shadow: 0 10px 35px rgba(16, 24, 40, 0.08);
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: var(--space-md);
  justify-content: space-between;
  min-height: 82px;
  position: relative;
}

.logo {
  align-items: center;
  color: var(--color-ink);
  display: inline-flex;
  gap: 0.8rem;
  min-width: max-content;
  text-decoration: none;
}

.logo img {
  height: 48px;
  object-fit: contain;
  width: 48px;
}

.logo span {
  display: grid;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  line-height: 1.15;
  text-transform: uppercase;
}

.logo small {
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-top: 0.18rem;
}

.nav-toggle {
  align-items: center;
  background: var(--color-dark);
  border-radius: var(--radius-md);
  color: #fff;
  cursor: pointer;
  display: none;
  font-weight: 800;
  gap: 0.5rem;
  justify-content: center;
  padding: 0.75rem 0.95rem;
}

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  background: currentColor;
  content: "";
  display: block;
  height: 2px;
  width: 18px;
}

.nav-toggle__icon {
  position: relative;
}

.nav-toggle__icon::before {
  position: absolute;
  top: -6px;
}

.nav-toggle__icon::after {
  position: absolute;
  top: 6px;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 0.35rem;
}

.site-nav a {
  border-radius: 999px;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  font-weight: 800;
  padding: 0.65rem 0.88rem;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
}

.site-nav .header-cta {
  background: var(--color-dark);
  color: #fff;
  margin-left: 0.35rem;
  padding-inline: 1rem;
}

.site-nav .header-cta:hover,
.site-nav .header-cta.active {
  background: var(--color-brand);
  color: #fff;
  transform: translateY(-1px);
}

/* Buttons and links */

.buttons {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn,
button {
  align-items: center;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  line-height: 1;
  min-height: 48px;
  padding: 0.95rem 1.35rem;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:hover,
button:hover {
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--color-dark);
  box-shadow: 0 14px 30px rgba(16, 24, 40, 0.14);
  color: #fff;
}

.btn-dark:hover {
  background: var(--color-brand);
}

.btn-light {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
}

.btn-light:hover {
  border-color: rgba(37, 99, 235, 0.35);
  color: var(--color-brand-dark);
}

.btn-blue,
button {
  background: var(--color-brand);
  color: #fff;
}

.btn-blue:hover,
button:hover {
  background: var(--color-brand-dark);
}

/* Existing page layout support */

.hero {
  align-items: center;
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  min-height: 78vh;
  padding: var(--space-2xl) 0;
}

.hero h1 {
  max-width: 820px;
}

.hero p {
  margin-top: var(--space-md);
}

.hero .buttons {
  margin-top: var(--space-lg);
}

.hero-card {
  background:
    linear-gradient(145deg, rgba(37, 99, 235, 0.18), transparent 42%),
    linear-gradient(145deg, var(--color-dark), var(--color-dark-soft));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
  color: #fff;
  display: grid;
  gap: var(--space-lg);
  min-height: 430px;
  padding: var(--space-lg);
}

.hero-card img {
  margin: auto;
  max-width: 260px;
}

.hero-card h3,
.hero-card p,
.about-band h2,
.about-band h3,
.section-dark h2,
.section-dark h3,
.section-dark p {
  color: #fff;
}

.hero-card p,
.about-band p,
.section-dark p {
  color: #d5dde8;
}

.page-hero {
  margin-inline: auto;
  max-width: var(--container);
  padding: var(--space-xl) 0 var(--space-lg);
  width: min(100%, calc(100vw - 2rem));
}

.page-hero .buttons {
  margin-top: var(--space-md);
}

.breadcrumb {
  color: var(--color-muted);
  font-size: var(--step--1);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.section-title {
  margin-bottom: var(--space-lg);
}

.section-title h2,
.page-hero h1 {
  margin-top: var(--space-xs);
}

.section-title p,
.page-hero p {
  margin-top: var(--space-sm);
}

/* Reusable component library */

.content-container,
.definition-card,
.contact-box,
.legal,
.system-panel,
.cta-section,
.timeline,
.component-card,
.card,
.service,
.project,
.source-card,
.plan-card,
.testimonial-card,
.case-card,
.problem-item {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.content-container,
.definition-card,
.contact-box,
.legal,
.system-panel,
.cta-section {
  box-shadow: var(--shadow-soft);
  padding: var(--space-lg);
}

.card,
.service,
.project,
.source-card,
.plan-card,
.testimonial-card,
.case-card,
.problem-item,
.component-card {
  padding: var(--space-md);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover,
.service:hover,
.project:hover,
.plan-card:hover,
.case-card:hover,
.component-card:hover {
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: var(--shadow-soft);
  transform: translateY(-3px);
}

.grid-2,
.problem-list,
.case-grid,
.screenshot-row {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3,
.portfolio-grid,
.sources,
.testimonial-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service span,
.card span {
  align-items: center;
  background: var(--color-brand-soft);
  border-radius: var(--radius-sm);
  color: var(--color-brand);
  display: inline-flex;
  font-size: 1.2rem;
  height: 42px;
  justify-content: center;
  margin-bottom: var(--space-sm);
  width: 42px;
}

.service h3,
.card h3,
.project h3,
.source-card h3,
.plan-card h3,
.testimonial-card h3,
.case-card h3 {
  margin-bottom: var(--space-xs);
}

.source-card a,
.portfolio-grid .project a {
  color: var(--color-brand-dark);
  font-weight: 900;
  text-decoration: none;
}

.source-card a:hover,
.portfolio-grid .project a:hover {
  text-decoration: underline;
}

.definition-card {
  align-items: center;
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 0.7fr 1.3fr;
}

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

.about-band,
.update-note {
  background:
    linear-gradient(145deg, rgba(37, 99, 235, 0.16), transparent 45%),
    linear-gradient(145deg, var(--color-dark), var(--color-dark-soft));
  border-radius: var(--radius-lg);
  color: #fff;
}

.about-band {
  align-items: center;
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr 1fr;
  padding: var(--space-xl);
}

.mini-list {
  display: grid;
  gap: var(--space-sm);
}

.mini-list div {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.mini-list strong {
  color: #fff;
  display: block;
  margin-bottom: 0.25rem;
}

.plan-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.plan-card.featured {
  border-color: rgba(37, 99, 235, 0.42);
  box-shadow: 0 20px 55px rgba(37, 99, 235, 0.12);
}

.price {
  color: var(--color-ink);
  font-size: var(--step-1);
  font-weight: 900;
}

.best-for,
.plan-card ul,
.plan-card li {
  color: var(--color-ink-soft);
}

.plan-card ul,
.legal ul {
  padding-left: 1.15rem;
}

.plan-card li,
.legal li {
  margin-bottom: 0.45rem;
}

.plan-card .btn {
  margin-top: auto;
}

.update-note {
  margin-top: var(--space-md);
  padding: var(--space-lg);
}

.stars {
  color: var(--color-warning);
  font-size: var(--step-1);
  letter-spacing: 0.08em;
}

.screenshot-placeholder {
  align-items: center;
  background: linear-gradient(135deg, var(--color-surface-alt), #fff);
  border: 1px dashed #aebed0;
  border-radius: var(--radius-md);
  color: var(--color-muted);
  display: flex;
  font-weight: 900;
  justify-content: center;
  min-height: 150px;
  text-align: center;
}

.cta-section,
.cta-band {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(15, 159, 110, 0.1), transparent 45%),
    var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  display: flex;
  gap: var(--space-lg);
  justify-content: space-between;
  margin: var(--space-lg) auto var(--space-xl);
  max-width: var(--container);
  padding: var(--space-lg);
  width: min(100%, calc(100vw - 2rem));
}

.timeline {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md);
}

.timeline-item {
  border-left: 3px solid var(--color-brand);
  padding-left: var(--space-md);
}

.timeline-item + .timeline-item {
  margin-top: var(--space-sm);
}

.system-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.system-card strong {
  color: var(--color-ink);
  display: block;
  margin-bottom: 0.35rem;
}

/* Forms */

.contact-box {
  align-items: start;
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr 1fr;
}

form {
  display: grid;
  gap: var(--space-sm);
}

.form-field {
  display: grid;
  gap: 0.45rem;
}

.form-field label {
  color: var(--color-ink);
  font-size: var(--step--1);
  font-weight: 900;
}

input,
textarea,
select {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  min-height: 48px;
  padding: 0.9rem 1rem;
  width: 100%;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-brand);
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}

/* Homepage 2.0 */

.home-hero {
  align-items: center;
  background:
    radial-gradient(circle at 82% 18%, rgba(59, 130, 246, 0.32), transparent 30%),
    radial-gradient(circle at 16% 82%, rgba(14, 165, 233, 0.18), transparent 34%),
    linear-gradient(135deg, #0f5fd7 0%, #123d7a 42%, #101828 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 90px rgba(16, 24, 40, 0.24);
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  margin-inline: auto;
  max-width: var(--container-wide);
  min-height: 82vh;
  overflow: hidden;
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
  width: min(100%, calc(100vw - 2rem));
}

.home-hero::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  inset: 0;
  mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.72), transparent 72%);
  pointer-events: none;
  position: absolute;
}

.home-hero > * {
  position: relative;
  z-index: 1;
}

.home-hero__content h1 {
  color: #fff;
  max-width: 900px;
  text-wrap: balance;
}

.home-hero__content .lead {
  color: rgba(255, 255, 255, 0.84);
  margin-top: var(--space-md);
}

.home-hero__content .buttons {
  margin-top: var(--space-lg);
}

.home-hero .tag {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #dbeafe;
}

.home-hero .btn-dark {
  background: #fff;
  border-color: #fff;
  color: var(--color-dark);
}

.home-hero .btn-light {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.32);
  color: #fff;
}

.home-hero__panel,
.evaluation-panel,
.partnership-panel,
.final-cta {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.home-hero__panel {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06)),
    linear-gradient(145deg, rgba(15, 23, 42, 0.9), rgba(17, 28, 47, 0.78));
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-lg);
}

.home-hero__panel h2,
.home-hero__panel p {
  color: #fff;
}

.panel-kicker {
  color: #b8c7dc;
  font-size: var(--step--1);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-signal-grid {
  display: grid;
  gap: var(--space-sm);
}

.hero-signal-grid div {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.hero-signal-grid strong {
  color: #fff;
  display: block;
  font-size: var(--step-2);
  margin-bottom: 0.25rem;
}

.hero-signal-grid span {
  color: #d5dde8;
}

.systems-map,
.bottleneck-grid,
.solutions-grid,
.case-preview-grid {
  display: grid;
  gap: var(--space-md);
  margin-inline: auto;
  max-width: var(--container);
  width: min(100%, calc(100vw - 2rem));
}

.systems-map {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.system-node,
.bottleneck-card,
.solution-card,
.case-preview-card,
.question-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.system-node span,
.bottleneck-card span,
.solution-card span,
.case-preview-card small {
  color: var(--color-brand);
  display: block;
  font-size: var(--step--1);
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
}

.system-node p,
.bottleneck-card p,
.solution-card p,
.case-preview-card p {
  color: var(--color-ink-soft);
}

.bottleneck-grid,
.case-preview-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bottleneck-card {
  border-top: 4px solid var(--color-brand);
}

.process-section .eyebrow,
.home-hero__panel .eyebrow {
  color: #93c5fd;
}

.process-timeline {
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-inline: auto;
  max-width: var(--container);
  width: min(100%, calc(100vw - 2rem));
}

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

.process-step strong {
  color: var(--color-ink);
  display: block;
  font-size: var(--step-1);
  margin-bottom: var(--space-xs);
}

.process-step p {
  color: var(--color-ink-soft);
}

.section-dark .process-step {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.section-dark .process-step strong {
  color: #fff;
}

.section-dark .process-step p {
  color: #d5dde8;
}

.evaluation-panel,
.partnership-panel {
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr 1fr;
  margin-inline: auto;
  max-width: var(--container);
  padding: var(--space-xl);
  width: min(100%, calc(100vw - 2rem));
}

.evaluation-panel .buttons {
  margin-top: var(--space-lg);
}

.evaluation-list,
.partnership-points {
  display: grid;
  gap: var(--space-sm);
}

.evaluation-list div,
.partnership-points div {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.evaluation-list strong,
.partnership-points strong {
  color: var(--color-ink);
  display: block;
  margin-bottom: 0.3rem;
}

.solutions-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-card span {
  align-items: center;
  background: var(--color-brand-soft);
  border-radius: var(--radius-sm);
  display: inline-flex;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.partnership-section {
  background:
    linear-gradient(135deg, rgba(15, 159, 110, 0.08), transparent 46%),
    var(--color-surface);
}

.case-preview-card {
  min-height: 230px;
}

.interactive-evaluation {
  background: var(--color-surface);
}

.question-form {
  display: block;
  margin-inline: auto;
  max-width: 760px;
  min-height: 520px;
  width: min(100%, calc(100vw - 2rem));
}

.evaluation-progress {
  align-items: center;
  display: grid;
  gap: var(--space-xs);
  grid-template-columns: 1fr auto;
  margin-bottom: var(--space-sm);
}

.evaluation-progress__label {
  color: var(--color-brand-dark);
  font-size: var(--step--1);
  font-weight: 900;
}

.evaluation-progress__track {
  background: var(--color-line);
  border-radius: 999px;
  grid-column: 1 / -1;
  height: 8px;
  overflow: hidden;
}

.evaluation-progress__track span {
  background: linear-gradient(90deg, var(--color-brand), #0ea5e9);
  border-radius: inherit;
  display: block;
  height: 100%;
  transition: width 260ms ease;
  width: 20%;
}

.evaluation-progress__back {
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-size: var(--step--1);
  font-weight: 900;
  padding: 0.2rem 0;
}

.evaluation-progress__back[hidden] {
  display: none;
}

.question-form .question-card {
  animation: questionCardIn 260ms ease both;
  display: grid;
  gap: var(--space-sm);
  min-height: 390px;
}

.question-form .question-card:not(.is-active) {
  display: none;
}

@keyframes questionCardIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.question-card legend,
.question-card h3 {
  color: var(--color-ink);
  font-size: var(--step-1);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.question-card label {
  align-items: flex-start;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink-soft);
  cursor: pointer;
  display: flex;
  gap: 0.65rem;
  padding: 0.8rem 0.9rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.question-card label:hover,
.question-card label:has(input:checked) {
  background: var(--color-brand-soft);
  border-color: rgba(37, 99, 235, 0.38);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.1);
  color: var(--color-ink);
  transform: translateY(-1px);
}

.question-card input[type="radio"] {
  flex: 0 0 auto;
  margin-top: 0.25rem;
  min-height: auto;
  width: auto;
}

.contact-question {
  grid-column: auto;
}

.contact-question button {
  justify-self: start;
}

.final-cta {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.12), transparent 45%),
    var(--color-surface);
  border: 1px solid var(--color-line);
  display: flex;
  gap: var(--space-lg);
  justify-content: space-between;
  margin: var(--space-2xl) auto;
  max-width: var(--container);
  padding: var(--space-xl);
  width: min(100%, calc(100vw - 2rem));
}

.final-cta p {
  margin-top: var(--space-sm);
  max-width: 720px;
}

/* Legal pages */

.content {
  padding-top: var(--space-md);
}

.legal {
  max-width: 920px;
}

.legal h2 {
  font-size: var(--step-2);
  margin-top: var(--space-md);
}

.legal p,
.legal li {
  color: var(--color-ink-soft);
}

/* Footer */

.footer-main {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.22), transparent 34%),
    var(--color-dark);
  color: #fff;
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
}

.footer-brand {
  max-width: 360px;
}

.footer-grid img {
  height: 58px;
  margin-bottom: var(--space-sm);
  object-fit: contain;
  width: 58px;
}

.footer-grid h3 {
  color: #fff;
  font-size: var(--step-1);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.footer-grid p,
.footer-bottom {
  color: #cbd5e1;
}

.footer-grid a {
  color: #cbd5e1;
  display: block;
  font-weight: 700;
  margin-bottom: 0.55rem;
  text-decoration: none;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  gap: var(--space-sm);
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
}

.footer-bottom span {
  color: #fff;
  font-weight: 800;
}

/* Motion */

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

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

/* Responsive */

@media (max-width: 1180px) {
  .pricing-grid,
  .system-grid,
  .systems-map,
  .process-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-nav a {
    padding-inline: 0.65rem;
  }
}

@media (max-width: 980px) {
  .site-header__inner {
    min-height: 74px;
  }

  .logo img {
    height: 44px;
    width: 44px;
  }

  .logo span {
    font-size: 0.75rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    align-items: stretch;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    display: none;
    flex-direction: column;
    gap: 0.2rem;
    left: 0;
    padding: var(--space-sm);
    position: absolute;
    right: 0;
    top: calc(100% + 0.4rem);
  }

  .site-nav.open,
  .site-nav.is-open {
    display: flex;
  }

  .site-nav a,
  .site-nav .header-cta {
    margin-left: 0;
    padding: 0.9rem 1rem;
    text-align: center;
  }

  .hero,
  .home-hero,
  .definition-card,
  .about-band,
  .contact-box,
  .evaluation-panel,
  .partnership-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-xl);
  }

  .home-hero {
    align-items: start;
    gap: var(--space-md);
    min-height: auto;
    padding: calc(var(--space-lg) + 0.5rem) var(--space-md) var(--space-lg);
  }

  .home-hero__content .lead {
    margin-top: var(--space-sm);
  }

  .home-hero__content .buttons {
    margin-top: var(--space-md);
  }

  .home-hero__panel {
    gap: var(--space-md);
  }

  .grid-2,
  .grid-3,
  .problem-list,
  .portfolio-grid,
  .sources,
  .testimonial-grid,
  .case-grid,
  .pricing-grid,
  .system-grid,
  .systems-map,
  .bottleneck-grid,
  .solutions-grid,
  .case-preview-grid,
  .process-timeline,
  .question-form,
  .screenshot-row {
    grid-template-columns: 1fr;
  }

  .cta-section,
  .cta-band,
  .final-cta,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .buttons .btn {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .container,
  .container-wide,
  .hero,
  .home-hero,
  .site-header__inner,
  .footer-grid,
  .footer-bottom,
  .page-hero,
  .cta-section,
  .cta-band,
  section > .section-title,
  section > .about-band,
  section > .contact-box,
  section > .definition-card,
  section > .grid-2,
  section > .grid-3,
  section > .portfolio-grid,
  section > .sources,
  section > .pricing-grid,
  section > .testimonial-grid,
  section > .case-grid,
  .systems-map,
  .bottleneck-grid,
  .solutions-grid,
  .case-preview-grid,
  .process-timeline,
  .question-form,
  .evaluation-panel,
  .partnership-panel,
  .final-cta {
    width: min(100%, calc(100vw - 1.25rem));
  }

  .logo small {
    display: none;
  }

  .logo {
    gap: 0.55rem;
    min-width: 0;
  }

  .logo span {
    font-size: 0.68rem;
    max-width: 185px;
    overflow-wrap: anywhere;
  }

  .nav-toggle {
    flex: 0 0 48px;
    min-height: 48px;
    padding: 0;
    width: 48px;
  }

  .nav-toggle span:not(.nav-toggle__icon) {
    display: none;
  }

  .home-hero {
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-sm);
  }

  .home-hero__content h1 {
    font-size: clamp(2.08rem, 10vw, 2.72rem);
    line-height: 1.02;
  }

  .home-hero .tag {
    font-size: 0.68rem;
    padding: 0.42rem 0.6rem;
  }

  .home-hero__panel h2 {
    font-size: clamp(1.28rem, 6vw, 1.7rem);
    line-height: 1.05;
  }

  .hero-signal-grid {
    gap: 0.7rem;
  }

  .hero-signal-grid div {
    padding: 0.75rem;
  }

  .hero-signal-grid strong {
    font-size: var(--step-1);
  }

  .hero-card,
  .home-hero__panel,
  .content-container,
  .definition-card,
  .contact-box,
  .legal,
  .system-panel,
  .cta-section,
  .about-band,
  .cta-band,
  .evaluation-panel,
  .partnership-panel,
  .final-cta {
    padding: var(--space-md);
  }

  .contact-question button {
    justify-self: stretch;
    width: 100%;
  }
}