/* Test Project — base styles */

:root {
  --color-bg: #0f1115;
  --color-bg-alt: #151822;
  --color-surface: #1b1f2b;
  --color-border: #2a2f3d;
  --color-text: #e9ecf1;
  --color-text-muted: #a6acbb;
  --color-primary: #5b8cff;
  --color-primary-dark: #3f6de0;
  --max-width: 1100px;
  --radius: 12px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

p {
  margin: 0 0 16px;
  color: var(--color-text-muted);
}

code {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
  color: var(--color-text);
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: rgba(15, 17, 21, 0.9);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-text);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.nav-cta {
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff !important;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
}

/* Hero */

.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-sub {
  font-size: 1.1rem;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

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

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

/* Sections */

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  font-size: 1.1rem;
}

.card p {
  margin-bottom: 0;
}

/* Steps */

.steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.steps li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-index {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  min-width: 48px;
}

.steps h3 {
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.steps p {
  margin-bottom: 0;
}

/* About / contact */

.about-inner,
.contact-inner {
  max-width: 680px;
}

.about-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
  display: block;
}

/* Footer */

.site-footer {
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 640px) {
  .site-nav {
    gap: 14px;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }
}