/* Static marketing landing page, styled to match the app's Chakra theme (src/theme.ts). */
/* Colors mirror the semantic tokens defined there. Dark mode follows the OS preference */
/* (prefers-color-scheme) by default; the toggle button in landing.js can override it via */
/* html[data-theme], persisted in localStorage. */

:root {
  --lp-bg: #ffffff;
  --lp-bg-subtle: #f3f4f5;
  --lp-bg-panel: #ffffff;
  --lp-bg-header: #ffffff;
  --lp-fg: #191c1d;
  --lp-fg-muted: #3f4753;
  --lp-fg-subtle: #707884;
  --lp-border: #bfc7d5;
  --lp-brand-solid: #005bc0;
  --lp-brand-fg: #002a5f;
  --lp-brand-contrast: #ffffff;
  --lp-brand-subtle: #d8e2ff;
  --lp-brand-emphasized: #4f91ff;
  --lp-cta-fg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --lp-bg: #121316;
    --lp-bg-subtle: #1e2022;
    --lp-bg-panel: #191c1d;
    --lp-bg-header: #031824;
    --lp-fg: #e2e3e3;
    --lp-fg-muted: #9aa3b0;
    --lp-fg-subtle: #6e7883;
    --lp-border: #3f4753;
    --lp-brand-solid: #adc7ff;
    --lp-brand-fg: #adc7ff;
    --lp-brand-contrast: #001a41;
    --lp-brand-subtle: #323947;
    --lp-brand-emphasized: #2d79e0;
    --lp-cta-fg: #000000;
  }
}

/* Manual overrides (html[data-theme]) take precedence over prefers-color-scheme,
   using the higher-specificity :root[attr] selector so source order doesn't matter. */
:root[data-theme="light"] {
  --lp-bg: #ffffff;
  --lp-bg-subtle: #f3f4f5;
  --lp-bg-panel: #ffffff;
  --lp-bg-header: #ffffff;
  --lp-fg: #191c1d;
  --lp-fg-muted: #3f4753;
  --lp-fg-subtle: #707884;
  --lp-border: #bfc7d5;
  --lp-brand-solid: #005bc0;
  --lp-brand-fg: #002a5f;
  --lp-brand-contrast: #ffffff;
  --lp-brand-subtle: #d8e2ff;
  --lp-brand-emphasized: #4f91ff;
  --lp-cta-fg: #ffffff;
}

:root[data-theme="dark"] {
  --lp-bg: #121316;
  --lp-bg-subtle: #1e2022;
  --lp-bg-panel: #191c1d;
  --lp-bg-header: #031824;
  --lp-fg: #e2e3e3;
  --lp-fg-muted: #9aa3b0;
  --lp-fg-subtle: #6e7883;
  --lp-border: #3f4753;
  --lp-brand-solid: #adc7ff;
  --lp-brand-fg: #adc7ff;
  --lp-brand-contrast: #001a41;
  --lp-brand-subtle: #323947;
  --lp-brand-emphasized: #2d79e0;
  --lp-cta-fg: #000000;
}

* {
  box-sizing: border-box;
}

.lp-icon {
  display: block;
  width: 1em;
  height: 1em;
  fill: currentColor;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  background: var(--lp-bg);
  color: var(--lp-fg);
  font-family: "PTSansRegular", sans-serif;
  line-height: 1.6;
}

h1,
h2,
h3,
h4 {
  font-family: "PTSansRegular", sans-serif;
  margin: 0;
}

p {
  margin: 0 0 1.15em;
}

a {
  color: inherit;
}

/* Hero */

.lp-hero {
  background: var(--lp-bg);
  color: var(--lp-fg);
  padding: 3rem 0 0;
  text-align: center;
}

.lp-hero-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.75rem;
  padding: 1rem 1.5rem;
  background: color-mix(in srgb, var(--lp-bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--lp-border);
}

.lp-hero-nav a {
  position: relative;
  color: var(--lp-fg-muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}

.lp-hero-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--lp-brand-solid);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.lp-hero-nav a:hover,
.lp-hero-nav a.is-active {
  color: var(--lp-brand-solid);
}

.lp-hero-nav a:hover::after,
.lp-hero-nav a.is-active::after {
  transform: scaleX(1);
}

.lp-theme-toggle {
  position: fixed;
  left: 1.5rem;
  bottom: 1.5rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: var(--lp-brand-solid);
  color: var(--lp-brand-contrast);
  cursor: pointer;
  box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.35);
  transition: filter 0.15s ease;
}

.lp-theme-toggle:hover {
  filter: brightness(1.08);
}

.lp-cta.lp-cta-nav {
  padding: 0.6rem 1.75rem;
  font-size: 0.85rem;
  line-height: 1;
  white-space: nowrap;
  box-shadow: none;
  color: var(--lp-cta-fg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s ease;
}

.lp-hero-nav--scrolled .lp-cta-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.lp-hero-nav a.lp-cta-nav:hover {
  color: var(--lp-cta-fg);
}

.lp-theme-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.lp-theme-icon-sun {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .lp-theme-icon-sun {
    display: inline;
  }

  .lp-theme-icon-moon {
    display: none;
  }
}

html[data-theme="dark"] .lp-theme-icon-sun {
  display: inline;
}

html[data-theme="dark"] .lp-theme-icon-moon {
  display: none;
}

html[data-theme="light"] .lp-theme-icon-sun {
  display: none;
}

html[data-theme="light"] .lp-theme-icon-moon {
  display: inline;
}

.lp-hero-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1.5rem 2.5rem;
}

.lp-hero h1 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lp-brand-solid);
  margin-bottom: 1rem;
}

.lp-accent {
  color: var(--lp-brand-solid);
}

.lp-hero h2 {
  font-size: clamp(1.75rem, 4vw, 2.85rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--lp-fg);
  margin-bottom: 1.5rem;
}

.lp-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--lp-brand-emphasized), var(--lp-brand-solid));
  color: var(--lp-cta-fg);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 12px 28px -10px color-mix(in srgb, var(--lp-brand-solid) 65%, transparent);
  transition:
    filter 0.15s ease,
    transform 0.15s ease;
}

.lp-cta:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.lp-cta-outline {
  background: transparent;
  color: var(--lp-brand-solid);
  border: 2px solid var(--lp-brand-solid);
}

/* Sections */

.lp-section {
  background: var(--lp-bg);
  padding: 4.5rem 1.5rem;
}

.lp-section-alt {
  background: var(--lp-bg);
}

.lp-grid-2 {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.lp-grid-1 {
  max-width: 1100px;
  margin: 0 auto;
}

.lp-grid-1 .lp-text {
  max-width: 70ch;
}

.lp-grid-2-reverse .lp-image-block {
  order: 2;
}

.lp-text h3 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--lp-fg);
}

.lp-text h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.lp-text p,
.lp-text li {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--lp-fg-muted);
}

.lp-text ol {
  padding-left: 1.25rem;
  margin: 0;
}

.lp-text li {
  margin-bottom: 0.85rem;
}

.lp-text li strong {
  color: var(--lp-fg);
}

/* Features grid ("E molto altro ancora") */

.lp-features {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.lp-eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lp-brand-solid);
  margin-bottom: 0.5rem;
}

.lp-features h3 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  color: var(--lp-fg);
}

.lp-features-subtitle {
  max-width: 60ch;
  margin: 0 auto 2.5rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--lp-fg-muted);
}

.lp-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  text-align: left;
}

.lp-feature-card {
  background: var(--lp-bg-panel);
  border: 1px solid var(--lp-border);
  border-radius: 16px;
  padding: 1.75rem;
  transition:
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.lp-feature-card:hover {
  border-color: var(--lp-brand-solid);
  box-shadow: 0 12px 32px -12px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.lp-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--lp-brand-fg);
  background: var(--lp-brand-subtle);
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.lp-feature-card:hover .lp-feature-icon {
  background: var(--lp-brand-solid);
  color: var(--lp-brand-contrast);
}

.lp-feature-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--lp-fg);
}

.lp-feature-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--lp-fg-muted);
  margin: 0;
}

@media (max-width: 720px) {
  .lp-features-grid {
    grid-template-columns: 1fr;
  }
}

.lp-image-block,
.lp-gallery-item {
  display: block;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--lp-border);
  background: var(--lp-bg-panel);
  box-shadow: 0 12px 32px -12px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition:
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.lp-image-block:hover,
.lp-gallery-item:hover {
  border-color: var(--lp-brand-solid);
  box-shadow: 0 12px 32px -12px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.lp-image-block .lp-img,
.lp-gallery-item .lp-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.lp-img-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .lp-img-light {
    display: none;
  }

  .lp-img-dark {
    display: block;
  }
}

html[data-theme="dark"] .lp-img-light {
  display: none;
}

html[data-theme="dark"] .lp-img-dark {
  display: block;
}

html[data-theme="light"] .lp-img-light {
  display: block;
}

html[data-theme="light"] .lp-img-dark {
  display: none;
}

.lp-gallery-row {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 700px) {
  .lp-gallery-row {
    grid-template-columns: 1fr;
  }
}

/* Footer */

.lp-footer {
  background: var(--lp-bg);
  color: var(--lp-fg-muted);
  text-align: center;
  padding: 2.5rem 1.5rem;
  font-size: 0.9rem;
}

.lp-footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.lp-back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--lp-brand-solid);
  color: var(--lp-brand-contrast);
  text-decoration: none;
  box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.35);
}

.lp-back-to-top .lp-icon {
  width: 22px;
  height: 22px;
}

@media (max-width: 860px) {
  .lp-grid-2 {
    grid-template-columns: 1fr;
  }

  .lp-grid-2-reverse .lp-image-block {
    order: 0;
  }

  .lp-section {
    padding: 3rem 1.25rem;
  }
}

/* Lightbox (pure CSS, :target-driven, no JS) */

.lp-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
}

.lp-lightbox:target {
  display: flex;
}

.lp-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
}

.lp-lightbox-content {
  position: relative;
  z-index: 1;
  max-width: min(1100px, 92vw);
  max-height: 88vh;
}

.lp-lightbox-content img {
  display: block;
  max-width: 100%;
  max-height: 88vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: none;
}

.lp-lightbox-content .lp-img-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .lp-lightbox-content .lp-img-light {
    display: none;
  }

  .lp-lightbox-content .lp-img-dark {
    display: block;
  }
}

html[data-theme="dark"] .lp-lightbox-content .lp-img-light {
  display: none;
}

html[data-theme="dark"] .lp-lightbox-content .lp-img-dark {
  display: block;
}

html[data-theme="light"] .lp-lightbox-content .lp-img-light {
  display: block;
}

html[data-theme="light"] .lp-lightbox-content .lp-img-dark {
  display: none;
}

.lp-lightbox-close,
.lp-lightbox-nav {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  text-decoration: none;
  font-size: 1.35rem;
  line-height: 1;
}

.lp-lightbox-close:hover,
.lp-lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lp-lightbox-close {
  top: -18px;
  right: -18px;
}

.lp-lightbox-prev {
  left: -60px;
  top: 50%;
  transform: translateY(-50%);
}

.lp-lightbox-next {
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 900px) {
  .lp-lightbox-prev {
    left: 0.5rem;
  }

  .lp-lightbox-next {
    right: 0.5rem;
  }

  .lp-lightbox-close {
    top: 0.5rem;
    right: 0.5rem;
  }
}