/* Blue Sling — design system */

:root {
  --primary: oklch(0.42 0.14 250);
  --primary-soft: oklch(0.55 0.12 250);
  --primary-wash: oklch(0.94 0.04 250);
  --ink: oklch(0.2 0.02 250);
  --ink-soft: oklch(0.42 0.02 250);
  --ink-mute: oklch(0.58 0.015 250);
  --bg: oklch(0.985 0.003 250);
  --bg-alt: oklch(0.955 0.005 250);
  --card: #ffffff;
  --accent: oklch(0.68 0.14 45);
  --accent-wash: oklch(0.95 0.04 45);
  --rule: oklch(0.9 0.005 250);
  --density: 1;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.06), 0 12px 32px rgba(16, 24, 40, 0.08);

  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

html[data-font="alt"] {
  --font-display: "DM Serif Display", "Times New Roman", serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}
html[data-font="sans"] {
  --font-display: "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  font-size: calc(16px * var(--density));
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(44px, 6vw, 88px); line-height: 1; font-weight: 400; }
h2 { font-size: clamp(32px, 3.6vw, 52px); line-height: 1.05; }
h3 { font-size: clamp(22px, 1.8vw, 28px); line-height: 1.2; }

p { margin: 0; }
a { color: inherit; text-decoration: none; }

/* layout */
.wrap {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}
.wrap-narrow {
  width: min(820px, calc(100% - 48px));
  margin: 0 auto;
}

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(18px * var(--density)) 0;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 24px; font-weight: 500;
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--primary);
  display: grid; place-items: center;
  color: white; font-weight: 600; font-size: 15px;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}
.nav {
  display: flex; gap: 4px;
  font-size: 15px;
}
.nav a {
  padding: 8px 14px; border-radius: 999px;
  color: var(--ink-soft);
  transition: background .15s, color .15s;
}
.nav a:hover { background: var(--primary-wash); color: var(--primary); }
.nav a[aria-current="page"] { color: var(--primary); background: var(--primary-wash); }

.menu-toggle {
  display: none;
  background: none; border: none; padding: 8px;
  cursor: pointer;
  width: 40px; height: 40px;
  position: relative;
}
.hamburger {
  position: absolute;
  width: 24px; height: 2px; background: var(--ink);
  left: 8px; top: 50%; margin-top: -1px;
  transition: opacity .2s;
}
.hamburger::before, .hamburger::after {
  content: "";
  position: absolute;
  width: 24px; height: 2px; background: var(--ink);
  left: 0;
  transition: transform .2s;
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .cta--desktop { display: none !important; }
  .nav .cta { display: inline-flex !important; }

  .site-header__inner {
    flex-wrap: wrap;
  }

  .hero__actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .hero__actions .cta {
    width: 100%;
    justify-content: center;
  }

  .nav {
    order: 3;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    padding: 12px 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s;
    width: 100%;
  }
  .nav--open {
    max-height: 500px;
  }
  .nav a {
    border-radius: 0;
    padding: 12px 24px;
    display: block;
    font-size: 15px;
  }
  .nav .cta {
    margin: 12px 24px 0;
    width: calc(100% - 48px);
    padding: 10px 16px;
    font-size: 14px;
  }
}

.cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  background: var(--primary); color: white;
  border-radius: 999px; border: none;
  font: inherit; font-weight: 500;
  cursor: pointer;
  transition: transform .1s, background .15s;
}
.cta:hover { background: var(--primary-soft); }
.cta:active { transform: translateY(1px); }
.cta--ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.cta--ghost:hover { background: var(--primary-wash); }
.cta--accent { background: var(--accent); }
.cta--accent:hover { background: color-mix(in oklab, var(--accent) 90%, black); }
.cta--desktop { display: inline-flex; }
.nav .cta { display: none; }

/* hero variants */
.hero { padding: calc(40px * var(--density)) 0 calc(80px * var(--density)); }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 10px;
  background: var(--primary-wash); color: var(--primary);
  border-radius: 999px;
  font-size: 13px; font-weight: 500;
  margin-bottom: 24px;
}
.hero__eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
}
.hero__title {
  margin: 0 0 18px;
}
.hero__sub {
  font-size: clamp(17px, 1.3vw, 20px);
  color: var(--ink-soft);
  max-width: 52ch;
  margin-bottom: 32px;
  text-wrap: pretty;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero A: foto grande sotto */
.hero-a .hero__title strong { color: var(--primary); font-style: italic; font-weight: 400; }
.hero-a__photo {
  margin-top: calc(48px * var(--density));
  aspect-ratio: 16/7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--primary-wash);
}

/* Hero B: split */
.hero-b__inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px;
  align-items: center;
}
@media (max-width: 880px) { .hero-b__inner { grid-template-columns: 1fr; } }
.hero-b__photo {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--primary-wash);
}

/* placeholder image */
.ph {
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(135deg,
      color-mix(in oklab, var(--primary) 22%, transparent) 0 2px,
      transparent 2px 14px),
    linear-gradient(160deg, var(--primary-wash), color-mix(in oklab, var(--primary) 14%, var(--bg-alt)));
  display: grid; place-items: center;
  position: relative;
}
.ph__label {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  padding: 6px 10px;
  background: rgba(255,255,255,0.85);
  color: var(--primary);
  border-radius: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.ph--accent {
  background:
    repeating-linear-gradient(135deg,
      color-mix(in oklab, var(--accent) 24%, transparent) 0 2px,
      transparent 2px 14px),
    linear-gradient(160deg, var(--accent-wash), color-mix(in oklab, var(--accent) 12%, var(--bg-alt)));
}
.ph--accent .ph__label { color: var(--accent); }

/* section titles */
.section {
  padding: calc(80px * var(--density)) 0;
  border-top: 1px solid var(--rule);
}
.section__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px; margin-bottom: 48px;
  flex-wrap: wrap;
}
.section__kicker {
  display: inline-block;
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 500;
}
.section__lede {
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: 17px;
  text-wrap: pretty;
}

/* services — alternated */
.service {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: calc(64px * var(--density));
  align-items: center;
  padding: calc(56px * var(--density)) 0;
  border-bottom: 1px solid var(--rule);
}
.service:last-child { border-bottom: none; }
.service--flip .service__media { order: 2; }
@media (max-width: 860px) {
  .service { grid-template-columns: 1fr; }
  .service--flip .service__media { order: 0; }
}
.service__media {
  aspect-ratio: 5/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.service__num {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}
.service__title {
  margin-bottom: 18px;
}
.service__body {
  color: var(--ink-soft);
  font-size: 17px;
  margin-bottom: 24px;
  max-width: 48ch;
  text-wrap: pretty;
}
.service__list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 10px;
  font-size: 15px;
  color: var(--ink-soft);
}
.service__list li {
  display: flex; gap: 10px; align-items: flex-start;
}
.service__list li::before {
  content: ""; flex: none;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
  margin-top: 9px;
}

/* services variant: cards */
.svc-cards {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
@media (max-width: 700px) { .svc-cards { grid-template-columns: 1fr; } }
.svc-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform .2s, box-shadow .2s;
}
.svc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.svc-card__icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--primary-wash); color: var(--primary);
  display: grid; place-items: center;
  margin-bottom: 20px;
}

/* blog */
.blog-featured {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}
@media (max-width: 900px) { .blog-featured { grid-template-columns: 1fr; } }
.blog-featured__media {
  aspect-ratio: 4/3; border-radius: var(--radius-lg); overflow: hidden;
}
.blog-featured__kicker {
  display: inline-block;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
  margin-bottom: 14px;
}
.blog-featured__title {
  font-size: clamp(30px, 3vw, 44px);
  margin-bottom: 16px;
  line-height: 1.05;
}
.blog-featured__excerpt {
  font-size: 17px; color: var(--ink-soft);
  margin-bottom: 22px;
  text-wrap: pretty;
}
.blog-featured__meta {
  display: flex; gap: 16px; align-items: center;
  font-size: 14px; color: var(--ink-mute);
  margin-bottom: 24px;
}

.blog-list {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
@media (max-width: 900px) { .blog-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .blog-list { grid-template-columns: 1fr; } }

.blog-card {
  cursor: pointer;
  display: flex; flex-direction: column; gap: 16px;
}
.blog-card__media {
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden;
  transition: transform .3s;
}
.blog-card:hover .blog-card__media { transform: scale(1.02); }
.blog-card__kicker {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
}
.blog-card__title {
  font-family: var(--font-display); font-size: 22px; line-height: 1.15;
  font-weight: 500;
  text-wrap: balance;
}
.blog-card__meta { font-size: 13px; color: var(--ink-mute); }

/* blog layout variants */
.blog-list--rows {
  grid-template-columns: 1fr;
  gap: 0;
}
.blog-list--rows .blog-card {
  flex-direction: row;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.blog-list--rows .blog-card:first-child { border-top: 1px solid var(--rule); }
.blog-list--rows .blog-card__media {
  width: 240px; flex: none; aspect-ratio: 4/3;
}
@media (max-width: 640px) {
  .blog-list--rows .blog-card { flex-direction: column; }
  .blog-list--rows .blog-card__media { width: 100%; }
}

.blog-list--editorial {
  grid-template-columns: 1fr;
  gap: 0;
}
.blog-list--editorial .blog-card {
  flex-direction: row;
  gap: 48px;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.blog-list--editorial .blog-card__media { display: none; }
.blog-list--editorial .blog-card__title { font-size: 34px; flex: 1; }
.blog-list--editorial .blog-card__date {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 13px; color: var(--ink-mute);
  width: 100px; flex: none;
}

/* article reader */
.article {
  padding: 80px 0;
}
.article__header {
  margin-bottom: 48px;
  text-align: center;
}
.article__kicker {
  display: inline-block;
  color: var(--accent); font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 18px;
  font-weight: 500;
}
.article__title {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  margin-bottom: 20px;
  max-width: 22ch;
  margin-inline: auto;
}
.article__meta {
  color: var(--ink-mute); font-size: 14px;
  display: flex; gap: 12px; justify-content: center;
}
.article__cover {
  aspect-ratio: 16/8; border-radius: var(--radius-lg);
  overflow: hidden; margin-bottom: 56px;
}
.article__body {
  font-size: 18px; line-height: 1.7;
  color: var(--ink);
}
.article__body p { margin-bottom: 1.2em; }
.article__body h2 {
  font-size: 32px; margin: 1.8em 0 0.6em;
}

/* join page responsive grid */
@media (max-width: 640px) {
  .join-grid {
    display: flex !important;
    flex-direction: column-reverse !important;
  }
  .join-grid > div {
    width: 100%;
  }
}

/* footer */
.footer {
  background: var(--primary);
  color: color-mix(in oklab, white 90%, var(--primary));
  padding: 80px 0 32px;
  margin-top: 120px;
}
@media (max-width: 640px) {
  .footer {
    padding: 40px 0 24px;
    margin-top: 60px;
  }
}
.footer h1, .footer h2, .footer h3 { color: white; }
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px;
}
@media (max-width: 820px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer__grid { grid-template-columns: 1fr; gap: 32px; } }
.footer__col h4 {
  font-family: var(--font-body);
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em;
  color: color-mix(in oklab, white 70%, var(--primary));
  margin-bottom: 14px;
  font-weight: 500;
}
.footer__col a { display: block; padding: 4px 0; color: white; opacity: 0.85; }
.footer__col a:hover { opacity: 1; }
.footer__claim {
  font-family: var(--font-display);
  font-size: 28px; line-height: 1.15;
  color: white; margin-bottom: 18px;
  max-width: 22ch;
  font-weight: 400;
}
.footer__legal {
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid color-mix(in oklab, white 20%, transparent);
  display: flex; justify-content: space-between;
  font-size: 13px; opacity: 0.7;
  flex-wrap: wrap; gap: 12px;
}

/* gallery */
.gallery {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
.gallery__item {
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
}
.gallery__item:nth-child(3n) { grid-column: span 2; grid-row: span 2; aspect-ratio: 1; }

/* contact */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: start;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--card); border: 1px solid var(--rule);
  border-radius: var(--radius-lg); padding: 32px;
  display: grid; gap: 18px;
}
.contact-row { display: flex; gap: 14px; align-items: flex-start; }
.contact-row__icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--primary-wash); color: var(--primary);
  display: grid; place-items: center; flex: none;
}
.contact-row__label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-mute); }
.contact-row__value { font-size: 17px; color: var(--ink); font-weight: 500; }

/* join */
.join-card {
  background: var(--primary);
  color: white;
  border-radius: var(--radius-lg);
  padding: 64px;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px;
  align-items: center;
}
@media (max-width: 780px) { .join-card { grid-template-columns: 1fr; padding: 40px; } }
.join-card h2 { color: white; }
.join-card__steps {
  display: grid; gap: 20px;
  font-size: 15px;
  color: color-mix(in oklab, white 92%, var(--primary));
}
.join-step {
  display: flex; gap: 14px; align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px solid color-mix(in oklab, white 20%, transparent);
}
.join-step:last-child { border: none; padding-bottom: 0; }
.join-step__n {
  font-family: var(--font-display);
  font-size: 28px; width: 40px; flex: none;
  color: color-mix(in oklab, white 75%, var(--primary));
}

/* tweaks panel */
.tweaks {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 18px 20px;
  width: 290px;
  font-size: 13px;
  z-index: 100;
  max-height: 80vh; overflow-y: auto;
}
.tweaks h4 {
  font-family: var(--font-body); font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-mute); margin: 0 0 14px;
  font-weight: 500;
}
.tweak-row { display: grid; gap: 6px; margin-bottom: 14px; }
.tweak-row label { color: var(--ink-soft); font-size: 12px; }
.tweak-row select, .tweak-row input[type=range] {
  font: inherit; padding: 6px 8px;
  border: 1px solid var(--rule); border-radius: 8px;
  background: var(--bg);
}
.tweak-swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch {
  width: 28px; height: 28px; border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
}
.swatch[aria-pressed="true"] { border-color: var(--ink); }

/* admin */
.admin { min-height: 100vh; background: var(--bg); }
.admin__bar {
  background: var(--ink); color: white;
  padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.admin__bar .brand { color: white; font-size: 18px; }
.admin__bar .brand__mark { background: var(--accent); }
.admin__main {
  display: grid; grid-template-columns: 320px 1fr;
  min-height: calc(100vh - 56px);
}
@media (max-width: 900px) { .admin__main { grid-template-columns: 1fr; } }
.admin__side {
  background: white; border-right: 1px solid var(--rule);
  padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
}
.admin__content { padding: 40px; overflow-y: auto; }

.admin-list-item {
  padding: 14px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--rule);
  display: grid; gap: 4px;
  background: var(--bg);
}
.admin-list-item[aria-selected="true"] { background: var(--primary-wash); border-color: var(--primary); }
.admin-list-item__title { font-weight: 500; font-size: 14px; color: var(--ink); }
.admin-list-item__date { font-size: 12px; color: var(--ink-mute); }

.field { display: grid; gap: 6px; margin-bottom: 18px; }
.field label { font-size: 13px; color: var(--ink-soft); font-weight: 500; }
.field input, .field textarea, .field select {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: white;
  color: var(--ink);
}
.field textarea { min-height: 180px; font-family: inherit; line-height: 1.6; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
  border-color: transparent;
}

.admin-toolbar {
  display: flex; gap: 10px; flex-wrap: wrap;
  padding: 16px 0; margin-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  background: white; border: 1px solid var(--rule);
  border-radius: 8px; font: inherit; cursor: pointer;
  color: var(--ink);
  transition: background .15s;
}
.btn:hover { background: var(--bg-alt); }
.btn--primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn--primary:hover { background: var(--primary-soft); }
.btn--danger { color: oklch(0.55 0.2 25); border-color: oklch(0.85 0.1 25); }
.btn--danger:hover { background: oklch(0.95 0.03 25); }

.login {
  min-height: 100vh; display: grid; place-items: center;
  background: var(--bg);
  padding: 24px;
}
.login__card {
  background: white; padding: 48px; border-radius: var(--radius-lg);
  border: 1px solid var(--rule);
  width: min(420px, 100%);
  box-shadow: var(--shadow-md);
}
.login__card h2 { margin-bottom: 8px; }
.login__card p { color: var(--ink-soft); margin-bottom: 28px; font-size: 14px; }

.preview-frame {
  background: white;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-top: 24px;
}