/* =========================================================================
   alhanashi.com — الموقع الشخصي لعبدالله الحنشي
   نظام تصميم مبني على الخصائص المنطقية (logical properties) ليعمل
   في RTL و LTR بلا قواعد منفصلة.
   ========================================================================= */

/* ---------- 1. الرموز / Design tokens ---------- */

:root {
  color-scheme: light;

  --bg:          #FBFAF8;
  --bg-soft:     #F3F1EC;
  --surface:     #FFFFFF;
  --text:        #1A1917;
  --text-muted:  #55524B;
  --text-faint:  #8A867D;
  --border:      #E5E2DA;
  --border-soft: #EFEDE7;
  --accent:      #8A6A2F;
  --accent-soft: #F0E9DA;
  --focus:       #8A6A2F;

  --shadow-card: 0 1px 2px rgba(26, 25, 23, .04), 0 8px 24px -16px rgba(26, 25, 23, .18);

  /* مقياس طباعي سلس */
  --step--1: clamp(.82rem, .80rem + .10vw, .88rem);
  --step-0:  clamp(1rem, .97rem + .16vw, 1.09rem);
  --step-1:  clamp(1.19rem, 1.12rem + .34vw, 1.42rem);
  --step-2:  clamp(1.45rem, 1.32rem + .64vw, 1.90rem);
  --step-3:  clamp(1.80rem, 1.55rem + 1.20vw, 2.65rem);
  --step-4:  clamp(2.25rem, 1.75rem + 2.35vw, 4.00rem);

  --container: 68rem;
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
  --section-gap: clamp(4rem, 10vw, 7.5rem);
  --radius: 14px;
  --radius-sm: 9px;

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

:root[lang="ar"] {
  --font: "IBM Plex Sans Arabic", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* الوضع الداكن: تلقائي حسب الجهاز، ويتجاوزه اختيار الزائر */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg:          #100F0E;
    --bg-soft:     #171614;
    --surface:     #161513;
    --text:        #EDEBE5;
    --text-muted:  #A6A199;
    --text-faint:  #7B766D;
    --border:      #2B2925;
    --border-soft: #221F1C;
    --accent:      #D3B375;
    --accent-soft: #241F16;
    --focus:       #D3B375;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -16px rgba(0, 0, 0, .8);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg:          #100F0E;
  --bg-soft:     #171614;
  --surface:     #161513;
  --text:        #EDEBE5;
  --text-muted:  #A6A199;
  --text-faint:  #7B766D;
  --border:      #2B2925;
  --border-soft: #221F1C;
  --accent:      #D3B375;
  --accent-soft: #241F16;
  --focus:       #D3B375;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -16px rgba(0, 0, 0, .8);
}

/* ---------- 2. الأساس / Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-block-start: 6rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -.01em;
}
:root[lang="ar"] h1,
:root[lang="ar"] h2,
:root[lang="ar"] h3 { letter-spacing: 0; line-height: 1.35; }

p { margin: 0; }
img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  inline-size: 100%;
  max-inline-size: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute;
  inline-size: 1px; block-size: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  inset-block-start: -100%;
  inset-inline-start: 1rem;
  z-index: 100;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .7rem 1.1rem;
  font-size: var(--step--1);
  font-weight: 500;
}
.skip-link:focus { inset-block-start: 1rem; }

/* ---------- 3. الترويسة / Header ---------- */

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-block-end: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header[data-stuck="true"] { border-block-end-color: var(--border-soft); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-block-size: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  font-weight: 600;
  font-size: var(--step--1);
  letter-spacing: .01em;
  white-space: nowrap;
}
.brand__mark {
  display: grid;
  place-items: center;
  inline-size: 1.9rem;
  block-size: 1.9rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--accent);
  font-size: .82rem;
  font-weight: 600;
  line-height: 1;
}

.site-nav { margin-inline-start: auto; }
.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(.25rem, 1.5vw, 1.1rem);
  list-style: none;
  margin: 0; padding: 0;
}
.site-nav__list a {
  display: inline-block;
  padding: .45rem .55rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: var(--step--1);
  color: var(--text-muted);
  transition: color .15s ease;
}
.site-nav__list a:hover { color: var(--text); }
.site-nav__list a[aria-current="true"] { color: var(--text); font-weight: 500; }

.header__tools {
  display: flex;
  align-items: center;
  gap: .35rem;
  margin-inline-start: .5rem;
  padding-inline-start: .75rem;
  border-inline-start: 1px solid var(--border-soft);
}

.icon-btn {
  display: grid;
  place-items: center;
  inline-size: 2.1rem;
  block-size: 2.1rem;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
  transition: color .15s ease, background-color .15s ease;
}
.icon-btn:hover { color: var(--text); background: var(--bg-soft); }
.icon-btn svg { inline-size: 1.05rem; block-size: 1.05rem; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--step--1);
}
.lang-switch__item {
  text-decoration: none;
  color: var(--text-faint);
  padding: .2rem .1rem;
  transition: color .15s ease;
}
.lang-switch__item:hover { color: var(--text); }
.lang-switch__item[aria-current="true"] { color: var(--text); font-weight: 500; }
.lang-switch__sep { color: var(--border); }

.nav-toggle { display: none; }

/* ---------- 4. الأقسام / Sections ---------- */

.section { padding-block-end: var(--section-gap); }

.section__title {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-block-end: clamp(1.5rem, 4vw, 2.25rem);
}
:root[lang="ar"] .section__title {
  letter-spacing: 0;
  text-transform: none;
  font-size: var(--step-0);
}

/* ---------- 5. الواجهة / Hero ---------- */

.hero {
  padding-block: clamp(5rem, 18vw, 11rem) clamp(4rem, 12vw, 8rem);
}
.hero__name {
  font-size: var(--step-4);
  font-weight: 600;
  letter-spacing: -.03em;
}
:root[lang="ar"] .hero__name { letter-spacing: -.01em; }

.hero__lead {
  margin-block-start: 1.1rem;
  font-size: var(--step-1);
  color: var(--text-muted);
  text-wrap: pretty;
}

/* ---------- 6. عنّي / About ---------- */

.about__body {
  max-inline-size: 46ch;
  font-size: var(--step-1);
  line-height: 1.65;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* ---------- 7. المواقع والمشاريع / Sites & projects ---------- */

.projects-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-block-start: 1px solid var(--border-soft);
}

.project__link {
  display: flex;
  align-items: center;
  gap: clamp(.9rem, 3vw, 1.5rem);
  padding-block: clamp(1.35rem, 3.5vw, 1.9rem);
  border-block-end: 1px solid var(--border-soft);
  text-decoration: none;
  transition: padding-inline .2s ease, border-color .2s ease;
}
.project__link:hover { border-block-end-color: var(--border); }

.project__mark {
  display: grid;
  place-items: center;
  flex: none;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1;
  transition: border-color .2s ease, background-color .2s ease;
}
.project__link:hover .project__mark { border-color: var(--accent); background: var(--accent-soft); }

/* شعار المشروع: عمل أحادي أسود، فيُعكس إلى أبيض في الوضع الداكن */
.project__mark--logo {
  border: 0;
  border-radius: 0;
  background: none;
  inline-size: auto;
  max-inline-size: 4.75rem;
  block-size: 2.4rem;
  object-fit: contain;
  object-position: center;
}
:root[data-theme="dark"] .project__mark--logo { filter: invert(1); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .project__mark--logo { filter: invert(1); }
}
.project__link:hover .project__mark--logo { background: none; border-color: transparent; }

.project__text {
  display: grid;
  gap: .2rem;
  min-inline-size: 0;
}
.project__name {
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.3;
}
.project__desc {
  font-size: var(--step--1);
  color: var(--text-muted);
}

.project__aside {
  margin-inline-start: auto;
  display: grid;
  justify-items: end;
  gap: .15rem;
  text-align: end;
  font-size: var(--step--1);
  color: var(--text-faint);
}
:root[dir="rtl"] .project__aside { justify-items: start; }
.project__domain { direction: ltr; }

.project__link .btn__arrow {
  flex: none;
  inline-size: 1.1rem;
  block-size: 1.1rem;
  color: var(--text-faint);
  transition: transform .2s ease, color .2s ease;
}
.project__link:hover .btn__arrow { color: var(--accent); transform: translateX(3px); }
:root[dir="rtl"] .project__link:hover .btn__arrow { transform: scaleX(-1) translateX(3px); }

@media (max-width: 37.49em) {
  .project__aside { display: none; }
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: clamp(2rem, 6vw, 3rem);
  text-align: center;
  color: var(--text-faint);
  background: var(--bg-soft);
}

/* ---------- 8. التواصل / Contact ---------- */

.contact-list {
  display: grid;
  gap: .6rem;
  list-style: none;
  margin: 0; padding: 0;
  max-inline-size: 32rem;
}
.contact-list a {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .95rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color .15s ease;
}
.contact-list a:hover { border-color: var(--text-faint); }
.contact-list svg { inline-size: 1.1rem; block-size: 1.1rem; color: var(--text-muted); flex: none; }
.contact-list__label { font-weight: 500; }
.contact-list__handle {
  margin-inline-start: auto;
  color: var(--text-faint);
  font-size: var(--step--1);
  direction: ltr;
}

/* ---------- 9. التذييل / Footer ---------- */

.site-footer {
  margin-block-start: clamp(3rem, 8vw, 5rem);
  border-block-start: 1px solid var(--border-soft);
  padding-block: clamp(2rem, 5vw, 2.75rem);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}
.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  list-style: none;
  margin: 0; padding: 0;
}
.site-footer__nav a {
  text-decoration: none;
  color: var(--text-faint);
  font-size: var(--step--1);
}
.site-footer__nav a:hover { color: var(--text); }
.site-footer__end {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.site-footer__rights { color: var(--text-faint); font-size: var(--step--1); }
.social { display: flex; gap: .15rem; }

/* ---------- 10. عناصر مشتركة / Shared bits ---------- */

/* السهم يتبع اتجاه القراءة */
:root[dir="rtl"] .btn__arrow { transform: scaleX(-1); }

.eyebrow {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}
:root[lang="ar"] .eyebrow { letter-spacing: .04em; text-transform: none; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-block-start: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .72rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: var(--step--1);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { border-color: var(--text-faint); }
.btn--primary { background: var(--text); border-color: var(--text); color: var(--bg); }
.btn .btn__arrow { inline-size: .95rem; block-size: .95rem; }

/* ---------- 11. صفحة 404 ---------- */

.center-screen {
  min-block-size: 68vh;
  display: grid;
  align-content: center;
  justify-items: start;
  padding-block: var(--section-gap);
}

/* ---------- 12. الجوال / Mobile navigation ---------- */

@media (max-width: 47.99em) {
  .nav-toggle {
    display: grid;
    place-items: center;
    inline-size: 2.1rem;
    block-size: 2.1rem;
    margin-inline-start: auto;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
  }
  .nav-toggle svg { inline-size: 1.05rem; block-size: 1.05rem; }

  .site-nav {
    position: fixed;
    inset-inline: 0;
    inset-block-start: 4.25rem;
    margin: 0;
    padding: .75rem var(--gutter) 1.5rem;
    background: var(--bg);
    border-block-end: 1px solid var(--border);
    display: none;
  }
  .site-nav[data-open="true"] { display: block; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__list a {
    display: block;
    padding: .85rem .25rem;
    font-size: var(--step-0);
    border-block-end: 1px solid var(--border-soft);
  }
  .site-nav__list li:last-child a { border-block-end: 0; }

  .header__tools { margin-inline-start: 0; }
}

@media (min-width: 48em) {
  .site-nav { display: block !important; }
}