/* ============================================================
   Not So Booring Studio — component styles.
   Everything derives from brand-tokens.css. No hard-coded hex.
   Uses logical properties so RTL mirrors for free.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: var(--lh-tight); margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { font: inherit; color: inherit; cursor: pointer; }

/* The eyes mark — official brand SVG (assets/logo/nsb-eyes.svg), inlined
   everywhere with fill=currentColor so it recolors per context (white in
   the hero, yellow in nav/footer, black on cards). Contexts set width;
   height follows the intrinsic viewBox ratio. */
.nsb-eyes { display: block; height: auto; }

/* ---- Accessibility helpers ---- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.nsb-skip {
  position: fixed; inset-inline-start: var(--space-2); inset-block-start: -100px;
  z-index: var(--z-modal); background: var(--nsb-yellow); color: var(--nsb-ink);
  padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm);
  font-weight: 600; transition: inset-block-start var(--dur-fast) var(--ease-expo);
}
.nsb-skip:focus { inset-block-start: var(--space-2); }

:where(a, button, input, [tabindex]):focus-visible {
  outline: 3px solid var(--nsb-yellow);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Layout ---- */
.nsb-wrap { max-inline-size: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.nsb-section { padding-block: var(--section-y); }
.nsb-section--light { background: var(--nsb-grey); color: var(--nsb-ink); }

.nsb-eyebrow {
  font-size: var(--fs-eyebrow); text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow); color: var(--nsb-muted);
  margin: 0 0 var(--space-3); font-weight: 600;
}
.nsb-section--light .nsb-eyebrow { color: #6a6a6a; }
.nsb-h2 { font-size: var(--fs-h2); margin-block-end: var(--space-6); }
.nsb-lead { font-size: var(--fs-h3); line-height: var(--lh-snug); max-inline-size: 42ch; }

/* ============================ NAV ============================ */
.nsb-nav {
  position: fixed; inset-block-start: 0; inset-inline: 0; z-index: var(--z-nav);
  transition: background var(--dur-base) var(--ease-inout);
}
.nsb-nav--scrolled { background: color-mix(in srgb, var(--nsb-black) 72%, transparent); backdrop-filter: blur(10px); }
.nsb-nav[data-nav-theme="light"] { color: var(--nsb-ink); }
.nsb-nav[data-nav-theme="light"].nsb-nav--scrolled { background: color-mix(in srgb, var(--nsb-grey) 78%, transparent); }

.nsb-nav__inner {
  /* Narrower than the site max so the link groups sit closer to the mark. */
  max-inline-size: 880px; margin-inline: auto;
  padding: var(--space-3) var(--gutter);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--space-2);
}
.nsb-nav__group { display: flex; gap: var(--space-4); list-style: none; margin: 0; padding: 0; }
.nsb-nav__group--right { justify-content: flex-end; align-items: center; }
.nsb-nav__center { display: flex; justify-content: center; align-items: center; min-block-size: 40px; }

.nsb-navlink {
  font-size: var(--fs-small); font-weight: 500; position: relative; padding-block: 2px;
  white-space: nowrap;
}
.nsb-navlink::after {
  content: ""; position: absolute; inset-inline: 0; inset-block-end: -2px; block-size: 2px;
  background: var(--nsb-yellow); transform: scaleX(0); transform-origin: inline-start;
  transition: transform var(--dur-fast) var(--ease-expo);
}
.nsb-navlink:hover::after, .nsb-navlink:focus-visible::after { transform: scaleX(1); }

.nsb-lang {
  background: transparent; border: 1px solid currentColor; border-radius: var(--radius-pill);
  padding: 4px 10px; font-size: var(--fs-eyebrow); font-weight: 600; letter-spacing: 0.06em;
  opacity: 0.85; transition: opacity var(--dur-fast), background var(--dur-fast);
}
.nsb-lang:hover { opacity: 1; }
.nsb-lang__sep { opacity: 0.4; margin-inline: 2px; }
html[lang="en"] .nsb-lang__en, html[lang="ar"] .nsb-lang__ar { color: var(--nsb-yellow); }

/* Eyes dock in nav center */
.nsb-eyes-dock {
  background: transparent; border: 0; padding: 4px; line-height: 0;
  display: inline-flex; opacity: 0; pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-expo);
}
.nsb-eyes-dock.is-docked { opacity: 1; pointer-events: auto; }
.nsb-eyes-dock .nsb-eyes { inline-size: 56px; color: var(--nsb-yellow); }
.nsb-nav[data-nav-theme="light"] .nsb-eyes-dock .nsb-eyes { color: var(--nsb-ink); }

/* Burger + mobile menu */
.nsb-burger { display: none; background: transparent; border: 0; inline-size: 40px; block-size: 40px; position: relative; }
.nsb-burger span {
  position: absolute; inset-inline: 8px; block-size: 2px; background: currentColor;
  transition: transform var(--dur-fast) var(--ease-expo), opacity var(--dur-fast);
}
.nsb-burger span:nth-child(1) { inset-block-start: 15px; }
.nsb-burger span:nth-child(2) { inset-block-start: 23px; }
.nsb-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nsb-burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

.nsb-mobile {
  display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-3) var(--gutter) var(--space-6);
  background: color-mix(in srgb, var(--nsb-black) 94%, transparent); backdrop-filter: blur(10px);
  border-block-start: 1px solid var(--nsb-line);
}
/* `[hidden]` and `.nsb-mobile` share specificity, so without this the class
   can win the cascade and the menu never actually hides (only masked when
   Tailwind's preflight happens to be loaded too — don't rely on that). */
.nsb-mobile[hidden] { display: none; }
.nsb-nav[data-nav-theme="light"] .nsb-mobile { background: color-mix(in srgb, var(--nsb-grey) 94%, transparent); border-color: rgba(0,0,0,0.1); }
.nsb-mobile__link { font-family: var(--font-display); font-size: var(--fs-h3); }
.nsb-mobile__lang { align-self: flex-start; background: var(--nsb-yellow); color: var(--nsb-ink); border: 0; border-radius: var(--radius-pill); padding: 8px 18px; font-weight: 600; }

/* ============================ HERO ============================ */
.nsb-hero { position: relative; }
.nsb-hero__pin { min-block-size: 100vh; display: flex; align-items: center; justify-content: center; }
.nsb-hero__inner { text-align: center; padding-inline: var(--gutter); }
.nsb-hero__eyes { display: inline-flex; will-change: transform; }
.nsb-hero__eyes .nsb-eyes { inline-size: min(380px, 58vw); color: var(--nsb-white); }
.nsb-eyes--yellow { color: var(--nsb-yellow); }

.nsb-hero__title { margin: 0; }


/* ============================ GRIDS / CARDS ============================ */
.nsb-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.nsb-grid--work { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.nsb-grid--snippets { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: var(--space-3); }

.nsb-card { display: block; border-radius: var(--radius-lg); overflow: hidden; background: var(--nsb-surface); border: 1px solid var(--nsb-line); transition: transform var(--dur-base) var(--ease-expo), border-color var(--dur-base); }
.nsb-card:hover, .nsb-card:focus-visible { transform: translateY(-6px); border-color: color-mix(in srgb, var(--nsb-yellow) 50%, var(--nsb-line)); }

.nsb-card__thumb { position: relative; aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; }
/* placeholder art from brand colors — each card gets a hue via inline style */
.nsb-card__wash { position: absolute; inset: 0; opacity: 0; background: var(--nsb-yellow); mix-blend-mode: multiply; transition: opacity var(--dur-base) var(--ease-expo); }
.nsb-card:hover .nsb-card__wash { opacity: 0.14; }
.nsb-card__eyes { inline-size: 30%; color: var(--nsb-black); opacity: 0.55; transform-origin: center; }
.nsb-card:hover .nsb-card__eyes { animation: nsb-blink 0.5s var(--ease-inout); }
@keyframes nsb-blink { 0%,100% { transform: scaleY(1); } 45% { transform: scaleY(0.08); } }
@media (prefers-reduced-motion: reduce) { .nsb-card:hover .nsb-card__eyes { animation: none; } }

.nsb-card__body { padding: var(--space-3); display: flex; flex-direction: column; gap: var(--space-1); }
.nsb-card__name { font-family: var(--font-display); font-size: var(--fs-h3); }
.nsb-card__tags { font-size: var(--fs-small); color: var(--nsb-muted); }
.nsb-badge { font-size: var(--fs-eyebrow); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; padding: 3px 9px; border-radius: var(--radius-pill); border: 1px solid currentColor; vertical-align: middle; }
.nsb-badge--concept { color: var(--nsb-yellow); margin-inline-start: var(--space-1); }
.nsb-badge--soon { color: var(--nsb-ink); font-size: 0.7rem; margin-inline-start: var(--space-2); }

/* Snippet tiles */
.nsb-tile { border: 0; padding: 0; inline-size: 100%; aspect-ratio: 1; border-radius: var(--radius-lg); overflow: hidden; position: relative; display: grid; place-items: center; transition: transform var(--dur-base) var(--ease-expo); }
.nsb-tile:hover, .nsb-tile:focus-visible { transform: scale(1.03); }
.nsb-tile__eyes { inline-size: 38%; color: var(--nsb-black); opacity: 0.5; }
.nsb-tile__label { position: absolute; inset-block-end: 8px; inset-inline-start: 10px; font-size: var(--fs-eyebrow); font-weight: 600; color: var(--nsb-black); opacity: 0.7; }

/* ============================ AI PLAYGROUND TEASER (homepage) ============================ */
.nsb-pg-teaser__row { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: center; }
@media (min-width: 820px) { .nsb-pg-teaser__row { grid-template-columns: 1.4fr 1fr; } }
.nsb-pg-teaser__cta { display: inline-block; margin-block-start: var(--space-4); }

/* ============================ BRIEFNY ============================ */
.nsb-briefny { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: center; }
@media (min-width: 820px) { .nsb-briefny { grid-template-columns: 1.4fr 1fr; } }
.nsb-briefny__mark { display: grid; place-items: center; }
.nsb-briefny__mark .nsb-eyes { inline-size: min(320px, 60vw); color: var(--nsb-ink); opacity: 0.9; }

.nsb-form { margin-block-start: var(--space-4); max-inline-size: 32rem; }
.nsb-form__row { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.nsb-input {
  flex: 1 1 220px; min-inline-size: 0; padding: 14px 18px; border-radius: var(--radius-pill);
  border: 1px solid rgba(1,1,1,0.25); background: var(--nsb-white); color: var(--nsb-ink); font: inherit;
}
.nsb-input::placeholder { color: #8a8a8a; }
.nsb-btn { border: 0; border-radius: var(--radius-pill); padding: 14px 26px; font-weight: 600; white-space: nowrap; transition: transform var(--dur-fast) var(--ease-expo), filter var(--dur-fast); }
.nsb-btn:hover { transform: translateY(-2px); }
.nsb-btn--yellow { background: var(--nsb-black); color: var(--nsb-white); }
.nsb-btn--yellow:hover { filter: brightness(1.15); }
.nsb-form__msg { margin-block-start: var(--space-2); min-block-size: 1.4em; font-weight: 500; }
.nsb-form__msg.is-ok { color: #1c6b2e; }
.nsb-form__msg.is-err { color: #b3261e; }
/* Honeypot — hidden without creating horizontal overflow (RTL-safe). */
.nsb-hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ============================ FOOTER ============================ */
.nsb-footer { background: var(--nsb-black); color: var(--nsb-white); padding-block: var(--section-y) var(--space-6); border-block-start: 1px solid var(--nsb-line); }
.nsb-footer__cta { font-size: var(--fs-h1); max-inline-size: 16ch; margin-block-end: var(--space-8); }
.nsb-footer__grid { display: grid; gap: var(--space-8); grid-template-columns: 1fr; margin-block-end: var(--space-12); }
@media (min-width: 720px) { .nsb-footer__grid { grid-template-columns: 1fr 1fr; } }
.nsb-footer__email { font-family: var(--font-display); font-size: var(--fs-h3); display: inline-block; margin-block: var(--space-1) var(--space-3); border-block-end: 1px solid transparent; }
.nsb-footer__email:hover { border-block-end-color: var(--nsb-yellow); }
.nsb-footer__social { list-style: none; display: flex; gap: var(--space-4); margin: 0; padding: 0; }
.nsb-footer__serviceline { font-size: var(--fs-h3); font-family: var(--font-display); color: var(--nsb-grey); }
.nsb-footer__mark { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); text-align: center; margin-block: var(--space-8); }
.nsb-wordmark-img { inline-size: min(340px, 70vw); block-size: auto; }
.nsb-footer__legal { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-3); justify-content: center; color: var(--nsb-muted); font-size: var(--fs-small); }

/* ============================ MODAL ============================ */
.nsb-modal { position: fixed; inset: 0; z-index: var(--z-modal); display: grid; place-items: center; padding: var(--gutter); }
.nsb-modal[hidden] { display: none; }
.nsb-modal__backdrop { position: absolute; inset: 0; background: rgba(1,1,1,0.82); backdrop-filter: blur(4px); }
.nsb-modal__panel {
  position: relative; z-index: 1; background: var(--nsb-surface); border: 1px solid var(--nsb-line);
  border-radius: var(--radius-lg); padding: var(--space-4); max-inline-size: min(720px, 92vw); inline-size: 100%;
  animation: nsb-pop var(--dur-base) var(--ease-expo);
}
@keyframes nsb-pop { from { opacity: 0; transform: translateY(12px) scale(0.98); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .nsb-modal__panel { animation: none; } }
.nsb-modal__close { position: absolute; inset-block-start: var(--space-2); inset-inline-end: var(--space-2); background: var(--nsb-black); border: 1px solid var(--nsb-line); border-radius: var(--radius-pill); inline-size: 40px; block-size: 40px; display: grid; place-items: center; }
.nsb-modal__media { border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 16 / 10; display: grid; place-items: center; }
.nsb-modal__media .nsb-eyes { inline-size: 30%; color: var(--nsb-black); opacity: 0.6; }
.nsb-modal__cap { margin-block-start: var(--space-3); color: var(--nsb-grey); }

/* ============================ Eyes flight helper ============================ */
/* A cloned mark that GSAP tweens from hero rect -> nav slot rect. */
.nsb-eyes-fly { position: fixed; inset-block-start: 0; inset-inline-start: 0; z-index: var(--z-eyes); line-height: 0; will-change: transform; pointer-events: none; }
.nsb-eyes-fly .nsb-eyes { color: var(--nsb-white); }

/* No-JS: show docked eyes + keep hero static (handled by .no-js on <html>) */
.no-js .nsb-eyes-dock { opacity: 1; pointer-events: auto; }

/* ============================ Responsive nav ============================ */
@media (max-width: 768px) {
  .nsb-nav__inner { display: flex; justify-content: center; position: relative; }
  .nsb-nav__group { display: none; }
  .nsb-burger { display: block; position: absolute; inset-inline-end: var(--gutter); inset-block: 0; margin-block: auto; }
  .nsb-nav__center { min-block-size: 44px; }
  .nsb-eyes-dock .nsb-eyes { inline-size: 48px; }
}
@media (min-width: 769px) {
  .nsb-mobile { display: none; }
}