/* Avenro Labs — site styles */

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-focus: #2563eb;
  --font-sans: "Segoe UI", "Helvetica Neue", ui-sans-serif, sans-serif;
  --font-display: "Segoe UI", "Helvetica Neue", ui-sans-serif, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5rem;
  --max-width: 68rem;
  --radius: 0.5rem;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 10% -20%, rgba(37, 99, 235, 0.09), transparent 55%),
    radial-gradient(ellipse 90% 60% at 100% 0%, rgba(29, 78, 216, 0.06), transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible,
.button:focus-visible,
.site-nav a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 100;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-sm);
}

.wrap {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-primary);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

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

/* Hero */

.hero {
  padding-block: var(--space-2xl) var(--space-xl);
  animation: fade-up 0.7s ease both;
}

.hero__brand {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
  max-width: 22ch;
}

.hero__lead {
  margin: 0 0 var(--space-lg);
  max-width: 38rem;
  color: var(--color-text-muted);
  font-size: 1.125rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.35rem;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  color: #ffffff;
  background: var(--color-primary);
  border: 2px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.button:hover {
  background: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button--secondary {
  color: var(--color-primary);
  background: var(--color-surface);
  border-color: var(--color-border);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.button--secondary:hover {
  color: var(--color-primary-dark);
  background: #ffffff;
  border-color: rgba(37, 99, 235, 0.35);
}

/* Sections */

.section {
  padding-block: var(--space-xl);
  animation: fade-up 0.7s ease both;
  animation-delay: 0.08s;
}

.section--privacy {
  animation-delay: 0.12s;
}

.section--contact {
  animation-delay: 0.16s;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
}

.section__lead {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
  max-width: 40rem;
}

.product {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.product__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
}

.product__desc {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
  max-width: 40rem;
}

.feature-list {
  margin: 0 0 var(--space-md);
  padding-left: 1.25rem;
  max-width: 36rem;
  color: var(--color-text);
}

.feature-list li {
  margin-bottom: 0.4rem;
}

.feature-list li::marker {
  color: var(--color-primary);
}

.product__status {
  margin: 0 0 var(--space-md);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.product-plans {
  display: grid;
  gap: var(--space-md);
  margin: 0 0 var(--space-lg);
  max-width: 40rem;
}

@media (min-width: 640px) {
  .product-plans {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.product-plan {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.product-plan__title {
  margin: 0 0 var(--space-xs);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.product-plan__text {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
}

.product-plan__label {
  margin: 0 0 var(--space-xs);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.product-plan__list {
  margin-bottom: 0;
}

.product__actions {
  margin: 0;
}

.privacy-panel {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.privacy-panel p {
  margin: 0 0 var(--space-md);
  max-width: 40rem;
  color: var(--color-text-muted);
}

.contact-block {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.contact-block p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
}

.contact-email {
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
}

.contact-email:hover {
  text-decoration: underline;
}

/* Footer */

.site-footer {
  margin-top: var(--space-xl);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.55);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.site-footer a {
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Privacy policy page */

.policy-page .site-header {
  margin-bottom: 0;
}

.policy {
  padding-block: var(--space-xl) var(--space-2xl);
}

.policy__meta {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.policy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 var(--space-sm);
}

.policy h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: var(--space-xl) 0 var(--space-sm);
}

.policy p,
.policy li {
  color: var(--color-text-muted);
  max-width: 42rem;
}

.policy ul {
  padding-left: 1.25rem;
  margin: 0 0 var(--space-md);
}

.policy li {
  margin-bottom: 0.4rem;
}

.policy p {
  margin: 0 0 var(--space-md);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-block: var(--space-xl) var(--space-lg);
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}