/* =========================================================
   BoHoBi — stylesheet
   Arabic-first (RTL), no build step. One accent, quiet motion.
   Scenes pin on desktop only; everything reads without JS.
   ========================================================= */

:root {
  color-scheme: light;
  /* identity */
  --accent: #ff4f1f;          /* fills, on dark */
  --accent-ink: #d1370a;      /* text on light */
  --accent-soft: #fff0ea;
  /* neutrals (warm-tinted, not pure grey) */
  --page: #ffffff;
  --alt: #f6f4f1;
  --ink: #17181c;
  --ink-2: #5f6470;
  --hair: #e4e1dc;
  --dark: #0e0f13;
  --dark-alt: #1a1b21;
  --dark-ink: #f4f3f0;
  --dark-ink-2: #9a9ea8;
  /* type */
  --font: "IBM Plex Sans Arabic", -apple-system, "SF Arabic", "Segoe UI", Tahoma, sans-serif;
  --display: "Readex Pro", "IBM Plex Sans Arabic", -apple-system, "SF Arabic", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --w: 1120px;
  --radius: 24px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font-family: var(--font); font-size: 1.0625rem; line-height: 1.7;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
h1, h2, h3, p, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; text-wrap: balance; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent); color: #fff; }
.wrap { width: min(var(--w), 100% - 2.5rem); margin-inline: auto; }
.skip { position: absolute; top: -6rem; inset-inline-start: 1rem; background: var(--accent); color: #fff; padding: .6rem 1rem; z-index: 200; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 4.5rem; }

/* Links, buttons */
.link { color: var(--accent-ink); font-weight: 600; }
.link span { display: inline-block; margin-inline-start: .15em; transition: transform .25s var(--ease); }
.link:hover span, .link:focus-visible span { transform: translateX(-3px); }
.dark .link { color: var(--accent); }
.links-row { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.4rem; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 1rem;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -12px var(--accent); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--page) 78%, transparent);
  backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--hair); }
.nav-inner { width: min(var(--w), 100% - 2.5rem); margin-inline: auto; height: 3.75rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand-mark {
  width: 1.9rem; height: 1.9rem; border-radius: 30%; display: grid; place-items: center;
  background: var(--accent); color: #fff; font-family: var(--display); font-weight: 700; font-size: 1.05rem; line-height: 1;
}
.brand-sm { font-size: 1rem; }
.nav-links { display: flex; gap: .25rem; }
.nav-links a { padding: .45rem .8rem; border-radius: 999px; color: var(--ink-2); font-weight: 500; font-size: .95rem; transition: color .2s, background .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); background: var(--alt); }
.nav-menu { display: none; width: 2.5rem; height: 2.5rem; border-radius: 50%; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.nav-menu span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease); }
.nav-menu[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-menu[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Bands (scenes 2–5) ---------- */
.band { padding-block: clamp(4.5rem, 9vw, 8rem); }
.band.light { background: var(--page); color: var(--ink); }
.band.alt { background: var(--alt); color: var(--ink); }
.band.dark { background: var(--dark); color: var(--dark-ink); }
.band-head { max-width: 46rem; margin-inline: auto; text-align: center; display: grid; gap: 1rem; justify-items: center; }
.band h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; color: var(--accent-ink); font-weight: 600; font-size: .95rem; }
.eyebrow::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); }
.dark .eyebrow { color: var(--accent); }
.band-sub { font-size: clamp(1.1rem, 1.8vw, 1.35rem); color: var(--ink-2); max-width: 40ch; }
.dark .band-sub { color: var(--dark-ink-2); }

/* Gentle reveal: visible by default; JS adds .pre only to below-fold items */
.rv { transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rv.pre { opacity: 0; transform: translateY(1.2rem); }

/* =========================================================
   SCENE 1 — HERO (identity → project, driven by --p 0..1)
   ========================================================= */
.scene-hero { --p: 0; background: var(--page); }
.pin { padding: clamp(3rem, 6vw, 5rem) 1.25rem clamp(2.5rem, 5vw, 4rem); text-align: center; display: grid; justify-items: center; gap: clamp(2rem, 4vw, 3rem); }
.hero-copy { display: grid; gap: 1rem; justify-items: center; max-width: 44rem; }
.hero-copy h1 { font-size: clamp(2.8rem, 7.5vw, 5.25rem); letter-spacing: -0.02em; line-height: 1.15; }
.hero-sub { font-size: clamp(1.15rem, 2.2vw, 1.5rem); color: var(--ink-2); line-height: 1.55; max-width: 34ch; }
.hero-sub b { color: var(--ink); font-weight: 600; }

/* MacBook drawn in CSS */
.device { width: min(56rem, 100%); }
.mac-screen { position: relative; margin-inline: 5%; border-radius: 1.25rem 1.25rem 0 0; background: #141518; padding: .7rem .7rem 0; box-shadow: 0 2.5rem 4rem -2rem rgba(0,0,0,.4); }
.mac-base { height: .85rem; background: linear-gradient(180deg, #e6e4e0, #bdbab4); border-radius: 0 0 .9rem .9rem; position: relative; }
.mac-base::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 14%; height: 5px; background: #a8a5a0; border-radius: 0 0 6px 6px; }
.mac-screen .screen { aspect-ratio: 16 / 10; border-radius: .7rem .7rem 0 0; overflow: hidden; display: grid; align-content: center; justify-items: center; gap: .4rem; padding: 4% 6%; }
.screen-id {
  background:
    radial-gradient(80% 60% at 15% 10%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(70% 60% at 90% 100%, #ffe9e0 0%, transparent 60%),
    linear-gradient(180deg, #fbfaf8, #f0eee9);
  color: var(--ink);
}
.id-mark { width: clamp(3rem, 8vw, 5rem); height: clamp(3rem, 8vw, 5rem); border-radius: 28%; background: var(--accent); color: #fff; display: grid; place-items: center; font-family: var(--display); font-weight: 700; font-size: clamp(1.6rem, 4.5vw, 2.8rem); box-shadow: 0 1rem 2rem -1rem var(--accent); }
.id-word { font-family: var(--display); font-size: clamp(1.6rem, 5vw, 3.2rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; margin-top: .3rem; }
.id-line { font-size: clamp(.9rem, 1.6vw, 1.05rem); color: var(--ink-2); }
/* dock: one real app icon per published project, with its name */
.dock { margin-top: clamp(.8rem, 2.5vw, 1.6rem); display: flex; gap: .8rem; padding: .55rem .75rem; border-radius: 1rem; background: rgba(255,255,255,.6); border: 1px solid rgba(255,255,255,.9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.dock-app { display: grid; justify-items: center; gap: .3rem; font-size: .9rem; font-weight: 600; color: var(--ink); }
.dock-app img { width: clamp(2.6rem, 6vw, 3.6rem); height: clamp(2.6rem, 6vw, 3.6rem); border-radius: 24%; box-shadow: 0 .5rem 1rem -.5rem rgba(0,0,0,.4); }
.dock-app small { display: inline-flex; align-items: center; gap: .3rem; font-size: .85rem; color: var(--ink-2); font-weight: 500; }
.dock-app small::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: #2fbf71; }

/* second screen: the project "launches" — a card like the project's own hero */
.screen-launch { position: absolute; inset: .7rem .7rem 0; opacity: 0; pointer-events: none; padding: 6% 7% !important; align-content: center; }
.launch-card { position: relative; width: 100%; border-radius: 1.2rem; padding: clamp(1rem, 3vw, 2rem) clamp(1rem, 3vw, 2rem); display: grid; gap: .4rem; justify-items: start; text-align: start; overflow: hidden; }
.launch-logo { width: clamp(5rem, 20%, 9rem); }
.launch-tag { font-family: var(--display); font-weight: 600; font-size: clamp(1rem, 2.6vw, 1.7rem); line-height: 1.4; margin-top: .3rem; max-width: 60%; }
.launch-sub { font-size: clamp(.85rem, 1.5vw, 1rem); opacity: .75; }
.launch-art { position: absolute; inset-inline-end: 4%; top: 50%; translate: 0 -50%; width: clamp(5rem, 26%, 11rem); border-radius: 1rem; }
.scene-caption { min-height: 1.5em; font-weight: 600; color: var(--ink-2); font-size: 1rem; }

/* Pinned version — desktop, JS present, motion allowed */
@media (min-width: 900px) and (prefers-reduced-motion: no-preference) {
  .scene-hero.is-pinned { height: 240vh; }
  .scene-hero.is-pinned .pin { position: sticky; top: 0; height: 100vh; padding-top: 4.75rem; padding-bottom: 0; align-content: start; gap: 1.4rem; }
  .scene-hero.is-pinned .hero-copy { gap: .7rem; opacity: calc(1 - var(--p) * 2.6); transform: translateY(calc(var(--p) * -2rem)); }
  .scene-hero.is-pinned .hero-copy h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); }
  .scene-hero.is-pinned .hero-sub { font-size: clamp(1.05rem, 1.6vw, 1.3rem); }
  .scene-hero.is-pinned .device { width: min(46rem, 100%, calc((100vh - 21rem) * 1.6)); transform: translateY(calc(var(--p) * -11rem)) scale(calc(1 + var(--p) * .1)); transform-origin: 50% 0; }
  .scene-hero.is-pinned .screen-id { opacity: clamp(0, calc(1 - (var(--p) - .34) / .16), 1); }
  .scene-hero.is-pinned .screen-launch { opacity: clamp(0, calc((var(--p) - .5) / .2), 1); }
  .scene-hero.is-pinned .launch-card { transform: translateY(calc(clamp(0, 1 - (var(--p) - .5) / .25, 1) * 1.2rem)); }
  .scene-hero.is-pinned .launch-art { transform: translateY(calc(clamp(0, 1 - (var(--p) - .55) / .25, 1) * 30%)); }
  .scene-hero.is-pinned .scene-caption { opacity: clamp(0, calc((var(--p) - .72) / .2), 1); transform: translateY(calc((1 - clamp(0, (var(--p) - .72) / .2, 1)) * .6rem + var(--p) * -6rem)); }
}

/* =========================================================
   SCENE 2 — ABOUT (sticky text, principles scroll past)
   ========================================================= */
.about-grid { display: grid; gap: 3rem; }
.about-sticky { display: grid; gap: 1rem; text-align: start; align-content: start; }
.about-p { font-size: clamp(1.1rem, 1.8vw, 1.35rem); color: var(--dark-ink-2); line-height: 1.7; max-width: 42ch; }
.about-p b { color: var(--dark-ink); font-weight: 600; }
.principles { display: grid; gap: 1rem; }
.principle { background: var(--dark-alt); border-radius: var(--radius); padding: 1.8rem; display: grid; gap: .5rem; border: 1px solid #23242b; }
.principle h3 { font-size: 1.45rem; }
.principle h3::before { content: ""; display: inline-block; width: .6rem; height: .6rem; border-radius: 50%; background: var(--accent); margin-inline-end: .6rem; vertical-align: middle; }
.principle p { color: var(--dark-ink-2); }
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
  .about-sticky.can-stick { position: sticky; top: 7rem; }
  .principles { gap: 1.5rem; padding-top: 1rem; }
  .principle { padding: 2.4rem; }
  .principle h3 { font-size: 1.8rem; }
}

/* =========================================================
   SCENE 3 — PROJECTS
   ========================================================= */
.cards { display: grid; gap: 1.5rem; margin-top: clamp(2.5rem, 5vw, 4rem); }
.card {
  --c-bg: var(--dark); --c-fg: var(--dark-ink); --c-accent: var(--accent);
  position: relative; display: grid; gap: 2rem; overflow: hidden;
  background: var(--c-bg); color: var(--c-fg); border-radius: var(--radius); padding: 2rem;
  transition: transform .4s var(--ease), box-shadow .4s;
}
.card:hover, .card:focus-within { transform: translateY(-4px); box-shadow: 0 2.5rem 4rem -2.5rem rgba(0,0,0,.5); }
.card-body { display: grid; gap: 1rem; align-content: start; text-align: start; }
.card-logo { height: 2.6rem; width: auto; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; font-size: .95rem; color: color-mix(in srgb, var(--c-fg) 70%, transparent); }
.card-status { display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; color: var(--c-fg); }
.card-status::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: #2fbf71; }
.card h3 { font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.2; }
.card h3 .latin { font-family: var(--display); font-weight: 400; font-size: .5em; letter-spacing: .12em; color: var(--c-accent); margin-inline-start: .6rem; vertical-align: middle; }
.card-tag { font-family: var(--display); font-weight: 600; font-size: clamp(1.15rem, 2vw, 1.5rem); }
.card-desc { color: color-mix(in srgb, var(--c-fg) 78%, transparent); max-width: 46ch; font-size: 1.05rem; }
.card-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.card-tags span { font-size: .9rem; font-weight: 500; padding: .3rem .8rem; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--c-fg) 25%, transparent); color: color-mix(in srgb, var(--c-fg) 85%, transparent); }
.card-cta { margin-top: .4rem; }
.card-cta .btn { background: var(--c-accent); color: var(--c-bg); position: static; }
/* whole card clickable: the CTA link is stretched over the card */
.card-cta .btn::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.card:has(.card-cta .btn:focus-visible) { outline: 3px solid var(--accent); outline-offset: 3px; }
.card-cta .btn:focus-visible { outline: none; }
.card-visual { display: grid; justify-items: center; align-items: end; overflow: hidden; margin: 0 -2rem -2rem; padding: 1rem 1.5rem 0; }
.phone { width: min(18rem, 100%); border-radius: 2.4rem 2.4rem 0 0; background: #101114; padding: .6rem .6rem 0; box-shadow: 0 -2px 0 2px #2a2b30 inset; transform: translateY(.5rem); transition: transform .5s var(--ease); }
.card:hover .phone, .card:focus-within .phone { transform: translateY(0); }
.phone img { border-radius: 1.9rem 1.9rem 0 0; width: 100%; }
@media (min-width: 900px) {
  .card { grid-template-columns: 1.05fr 1fr; padding: 3rem; gap: 3rem; min-height: 34rem; }
  .card-visual { margin: -3rem -3rem -3rem 0; padding: 3rem 2rem 0; }
  .phone { width: min(20rem, 100%); }
}
.card-fallback { display: block; padding: 1.5rem; border-radius: var(--radius); background: var(--dark); color: var(--dark-ink); font-weight: 600; }

/* =========================================================
   SCENE 4 — PROCESS (three steps)
   ========================================================= */
.steps { display: grid; gap: 1rem; margin-top: clamp(2.5rem, 5vw, 4rem); }
.step { background: var(--page); border-radius: var(--radius); padding: 1.8rem; display: grid; gap: .5rem; align-content: start; border: 1px solid var(--hair); }
.step-n { width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-family: var(--display); font-weight: 700; margin-bottom: .4rem; }
.step h3 { font-size: 1.5rem; }
.step p { color: var(--ink-2); }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; } .step { padding: 2.2rem; } }

/* =========================================================
   SCENE 5 — CONTACT
   ========================================================= */
.socials { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; margin-top: 1rem; }
.socials a { position: relative; display: grid; justify-items: center; gap: .5rem; padding: .25rem; border-radius: 1rem; color: var(--dark-ink); }
.socials .ico { width: 3.5rem; height: 3.5rem; border-radius: 50%; display: grid; place-items: center; background: var(--dark-alt); border: 1px solid #23242b; transition: background .2s, color .2s, transform .3s var(--ease); }
.socials svg { width: 1.4rem; height: 1.4rem; }
.socials a:hover .ico, .socials a:focus-visible .ico { background: var(--accent); color: #fff; transform: translateY(-3px); }
.socials .lbl { font-size: .95rem; font-weight: 500; color: var(--dark-ink-2); }
@media (min-width: 900px) {
  .socials { gap: 1.25rem; }
  .socials .lbl { position: absolute; top: calc(100% + .1rem); opacity: 0; transform: translateY(-.3rem); transition: opacity .2s, transform .25s var(--ease); white-space: nowrap; color: var(--dark-ink); }
  .socials a { padding-bottom: 1.6rem; }
  .socials a:hover .lbl, .socials a:focus-visible .lbl { opacity: 1; transform: none; }
}

/* ---------- Footer ---------- */
.footer { background: var(--alt); border-top: 1px solid var(--hair); padding-block: 2rem; font-size: .95rem; color: var(--ink-2); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; justify-content: center; }
.footer-links a:hover { color: var(--ink); }

/* ---------- Mobile ---------- */
@media (max-width: 899px) {
  .nav-menu { display: flex; }
  .nav-links {
    position: fixed; top: 3.75rem; inset-inline: 0; flex-direction: column; gap: .25rem; padding: .75rem 1rem 1rem;
    background: color-mix(in srgb, var(--page) 96%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--hair);
    transform: translateY(-.5rem); visibility: hidden; opacity: 0; pointer-events: none; transition: opacity .25s, transform .3s var(--ease);
  }
  .nav-links.open { visibility: visible; opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { font-size: 1.1rem; padding: .85rem 1rem; }
  .mac-screen { margin-inline: 3%; padding: .45rem .45rem 0; border-radius: .9rem .9rem 0 0; }
  .mac-base { height: .6rem; }
  .card { padding: 1.5rem; }
  .card-visual { margin: 0 -1.5rem -1.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .wrap, .nav-inner { width: calc(100% - 2rem); }
  .links-row { gap: 1.25rem; }
  .id-mark { display: none; }
  .dock-app small { display: none; }
}

/* ---------- Motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .rv.pre { opacity: 1; transform: none; }
}

/* Resilience and accessibility; approved visual direction is unchanged. */
[hidden] { display: none !important; }
.card-cta .btn:hover { transform: none; } /* preserve the card as the stretched link's containing block */
.btn, .brand-mark, .id-mark, .step-n, .skip { background-color: var(--accent-ink); }
.socials a:hover .ico, .socials a:focus-visible .ico { background: var(--accent-ink); }
.dock { max-width: 100%; flex-wrap: wrap; justify-content: center; }
.card-body { min-width: 0; }
.card-cta .btn { overflow-wrap: anywhere; }
@media (max-width: 899px) {
  .nav-links { max-height: calc(100dvh - 3.75rem); overflow-y: auto; }
  html:not(.menu-ready) .nav { position: relative; }
  html:not(.menu-ready) .nav-inner { height: auto; padding-block: .75rem; flex-wrap: wrap; }
  html:not(.menu-ready) .nav-menu { display: none; }
  html:not(.menu-ready) .nav-links { position: static; visibility: visible; opacity: 1; transform: none; pointer-events: auto; flex-direction: row; flex-wrap: wrap; width: 100%; border: 0; }
}
@media (prefers-reduced-motion: reduce) { .about-sticky { position: static !important; } }