/* IWS – Usability-focused styles (no content changes) */

:root {
  --color-bg: #0a0a0a;
  --color-surface: #141414;
  --color-text: #e5e5e5;
  --color-text-muted: #a3a3a3;
  --color-accent: #3b82f6;
  --color-focus: #60a5fa;
  --font-sans: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --space-xs: 0.25rem;
  --space-s: 0.5rem;
  --space-m: 1rem;
  --space-l: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --radius: 0.5rem;
  --focus-outline: 2px solid var(--color-focus);
  --focus-offset: 2px;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Skip link – Usability: keyboard & screen reader */
.skip-link {
  position: absolute;
  top: var(--space-m);
  left: var(--space-m);
  padding: var(--space-s) var(--space-m);
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius);
  z-index: 100;
  transform: translateY(-120%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

@media (prefers-reduced-motion: reduce) {
  .skip-link {
    transition: none;
  }
}

/* Focus visible – Usability: clear focus for keyboard users */
:focus {
  outline: none;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

a:focus-visible,
button:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: var(--space-m) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  font-weight: 700;
  font-size: 1.25rem;
  color: inherit;
  text-decoration: none;
}

.logo-img {
  display: block;
  height: 1.75rem;
  width: auto;
  object-fit: contain;
}

.logo:hover {
  color: var(--color-focus);
}

.nav a,
.footer-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.nav a:hover,
.footer-nav a:hover {
  color: var(--color-text);
}

/* Main */
main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-2xl);
}

/* Hero */
.hero {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.hero-tagline {
  color: var(--color-accent);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-m);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-m);
}

.hero-desc {
  max-width: 36rem;
  margin: 0 auto var(--space-l);
  color: var(--color-text-muted);
}

.scroll-hint {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Sections */
.section {
  padding: var(--space-2xl) 0;
}

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-s);
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0 0 var(--space-m);
}

.section-intro {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-xl);
  max-width: 42rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  list-style: none;
  padding: 0;
  margin: 0;
}

.card {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.card-title {
  font-size: 1.125rem;
  margin: 0 0 var(--space-s);
}

.card-desc {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-m);
  font-size: 0.9375rem;
}

.card-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.card-list li {
  margin-bottom: var(--space-xs);
}

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-2xl);
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 640px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  padding: var(--space-l);
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.step-num {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.step-title {
  font-size: 1rem;
  margin: 0 0 var(--space-s);
}

.step-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  list-style: none;
  padding: 0;
  margin: 0;
}

@media (min-width: 640px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat {
  text-align: center;
  padding: var(--space-l);
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* CTA */
.section-cta {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.cta-link {
  display: inline-block;
  padding: var(--space-m) var(--space-xl);
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius);
  margin-top: var(--space-m);
}

.cta-link:hover {
  filter: brightness(1.1);
}

.cta-link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-xl) 0;
}

.footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-m);
}

.footer-nav {
  display: flex;
  gap: var(--space-l);
}

.footer-nav a {
  font-size: 0.875rem;
}

/* Contact form */
.contact-form {
  max-width: 28rem;
  margin: var(--space-xl) auto 0;
  text-align: left;
}

.form-honey {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.form-row {
  margin-bottom: var(--space-m);
}

.form-row label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.9375rem;
}

.required {
  color: var(--color-accent);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: var(--space-s) var(--space-m);
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  border-color: var(--color-accent);
  outline: var(--focus-outline);
  outline-offset: 0;
}

.contact-form textarea {
  resize: vertical;
  min-height: 6rem;
}

.form-actions {
  margin-top: var(--space-l);
  margin-bottom: 0;
}

.cta-button {
  border: none;
  cursor: pointer;
  font: inherit;
}

.cta-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Legal pages (Privacy, Terms) */
.legal-page {
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
}

.legal-page .section-title {
  margin-bottom: var(--space-xl);
}

.legal-block {
  margin-bottom: var(--space-xl);
}

.legal-block h2 {
  font-size: 1.125rem;
  margin: 0 0 var(--space-s);
}

.legal-block h3 {
  font-size: 1rem;
  margin: var(--space-m) 0 var(--space-xs);
}

.legal-block p,
.legal-block ul {
  margin: 0 0 var(--space-m);
  color: var(--color-text-muted);
}

.legal-block ul {
  padding-left: 1.25rem;
}

.legal-block a {
  color: var(--color-accent);
}

.legal-block a:hover {
  text-decoration: underline;
}

.link-back {
  display: inline-block;
  margin-top: var(--space-xl);
  color: var(--color-accent);
}

.link-back:hover {
  text-decoration: underline;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .cta-link:hover {
    filter: none;
  }
}