/* =========================================================
   Alsharifi — Portfolio · Modern minimal (dark)
   Bilingual EN + Kuwaiti Arabic · full RTL support
   Latin → Inter, Arabic → IBM Plex Sans Arabic (auto fallback)
   ========================================================= */

:root {
  /* surfaces */
  --bg:         #09090b;
  --bg-soft:    #0e0e11;
  --surface:    #121215;
  --surface-2:  #17171b;
  --border:     #232329;
  --border-2:   #303038;

  /* text */
  --text:       #ededf0;
  --text-dim:   #a1a1ab;
  --text-mute:  #6c6c78;

  /* accent — emerald */
  --accent:     #3ecf8e;
  --accent-2:   #2fbf7d;
  --accent-dim: #1c6b48;
  --accent-soft: rgba(62, 207, 142, 0.12);
  --accent-glow: rgba(62, 207, 142, 0.30);

  --font:  'Inter', 'IBM Plex Sans Arabic', system-ui, -apple-system, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, 'Courier New', monospace;

  --maxw: 1040px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + 20px);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  letter-spacing: -0.011em;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: #04130a; }

a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 28px; }

/* ambient backdrop glow + faint grid */
.backdrop {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(760px circle at 50% -8%, var(--accent-soft), transparent 62%),
    radial-gradient(600px circle at 100% 0%, rgba(62,207,142,0.05), transparent 55%);
}
.backdrop::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, #000 40%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, #000 40%, transparent 78%);
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
}
.nav.scrolled {
  background: rgba(9,9,11,0.72);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom-color: var(--border);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
}
.nav__logo {
  font-weight: 700; font-size: 1.06rem; letter-spacing: -0.02em; color: var(--text);
  direction: ltr;
}
.nav__accent { color: var(--accent); }

.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a {
  position: relative; color: var(--text-dim); font-size: 0.92rem; font-weight: 500;
  transition: color .2s var(--ease); padding: 4px 0;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 0;
  background: var(--accent); transition: width .25s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a.active { color: var(--text); }
.nav__links a.active::after { width: 100%; }

.lang-toggle {
  background: var(--surface); border: 1px solid var(--border-2); color: var(--text-dim);
  font-family: var(--font); font-size: 0.85rem; font-weight: 600; min-width: 34px; height: 30px;
  padding: 0 9px; border-radius: 8px; cursor: pointer; line-height: 1;
  transition: all .2s var(--ease);
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 34px; padding: 0 8px;
  background: var(--surface); border: 1px solid var(--border-2); border-radius: 8px; cursor: pointer;
}
.burger span {
  display: block; height: 1.8px; width: 100%; background: var(--text-dim); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex; flex-direction: column; justify-content: center;
  padding-block: 90px 60px;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 9px; align-self: start;
  font-size: 0.82rem; font-weight: 500; color: var(--text-dim);
  padding: 6px 13px; border: 1px solid var(--border); border-radius: 100px;
  background: var(--surface); margin-bottom: 26px;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow); animation: pulse 2.2s var(--ease) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 var(--accent-glow); }
  70%  { box-shadow: 0 0 0 7px rgba(62,207,142,0); }
  100% { box-shadow: 0 0 0 0 rgba(62,207,142,0); }
}

.hero__name {
  font-size: clamp(3.2rem, 11vw, 6.4rem); font-weight: 700; line-height: 0.98;
  letter-spacing: -0.045em; color: var(--text); direction: ltr;
  background: linear-gradient(180deg, #eafff5 8%, var(--accent) 118%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__role {
  font-size: clamp(1.3rem, 3.5vw, 1.9rem); font-weight: 500; color: var(--text-dim);
  margin-top: 10px; letter-spacing: -0.02em;
}
.hero__build {
  font-size: clamp(1.05rem, 2.4vw, 1.25rem); color: var(--text-mute); margin-top: 22px;
  font-weight: 400;
}
.hero__type { color: var(--accent); font-weight: 600; }
.hero__cursor { color: var(--accent); animation: blink 1.1s steps(1) infinite; font-weight: 400; }
@keyframes blink { 50% { opacity: 0; } }

.hero__desc {
  max-width: 60ch; margin-top: 26px; color: var(--text-dim); font-size: 1.06rem;
  line-height: 1.75; unicode-bidi: plaintext;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font); font-size: 0.96rem; font-weight: 600; letter-spacing: -0.01em;
  padding: 12px 24px; border-radius: 10px; cursor: pointer;
  border: 1px solid transparent; transition: all .2s var(--ease);
}
.btn--primary {
  background: var(--accent); color: #04130a;
  box-shadow: 0 8px 30px -10px var(--accent-glow);
}
.btn--primary:hover { background: var(--accent-2); transform: translateY(-2px); box-shadow: 0 12px 34px -10px var(--accent-glow); }
.btn--ghost { background: var(--surface); color: var(--text); border-color: var(--border-2); }
.btn--ghost:hover { border-color: var(--text-mute); background: var(--surface-2); transform: translateY(-2px); }

/* =========================================================
   SECTIONS
   ========================================================= */
.section { padding-block: 60px; scroll-margin-top: var(--nav-h); }

.section__head {
  display: flex; align-items: baseline; gap: 14px; margin-bottom: 40px;
  padding-bottom: 18px; border-bottom: 1px solid var(--border);
}
.eyebrow {
  font-family: var(--mono); font-size: 0.85rem; color: var(--accent);
  letter-spacing: 0.06em; direction: ltr;
}
.section__title {
  font-size: clamp(1.7rem, 4.5vw, 2.3rem); font-weight: 700; letter-spacing: -0.03em; color: var(--text);
}

/* ===== About ===== */
.about {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: start;
}
.about__text p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 18px; unicode-bidi: plaintext; }
.about__text p:last-child { margin-bottom: 0; }

.about__stats {
  display: flex; flex-direction: column; gap: 22px;
  padding-inline-start: 32px; border-inline-start: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat__num {
  font-size: 2.1rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1;
  color: var(--accent); direction: ltr;
}
.stat__label { font-size: 0.9rem; color: var(--text-mute); }

/* ===== Projects ===== */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 26px 26px 24px; transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, var(--accent-glow), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .3s var(--ease); pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-2); background: var(--surface-2); }
.card:hover::before { opacity: 1; }
.card--featured { grid-column: 1 / -1; border-color: var(--accent-dim); }

.card__top { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.card__name { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.02em; color: var(--text); direction: ltr; }
.card__badge {
  font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-dim);
  padding: 3px 9px; border-radius: 100px;
}
.card__type { font-size: 0.85rem; color: var(--text-mute); margin-bottom: 14px; direction: ltr; }
.card__desc { color: var(--text-dim); font-size: 0.98rem; line-height: 1.65; flex: 1; unicode-bidi: plaintext; }

.card__foot {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
}
.tags { font-family: var(--mono); font-size: 0.76rem; color: var(--text-mute); direction: ltr; }
.card__link {
  display: inline-flex; align-items: center; gap: 5px; direction: ltr;
  font-size: 0.86rem; font-weight: 500; color: var(--accent); transition: gap .2s var(--ease);
}
.card__link:hover { gap: 8px; }
.card__arrow { transition: transform .2s var(--ease); }
.card__link:hover .card__arrow { transform: translate(2px, -2px); }

/* ===== Skills ===== */
.skills { display: flex; flex-direction: column; gap: 26px; }
.skill-group { display: grid; grid-template-columns: 150px 1fr; gap: 24px; align-items: start; }
.skill-group__cat {
  font-family: var(--mono); font-size: 0.82rem; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: 0.06em; padding-top: 6px;
}
.pills { display: flex; flex-wrap: wrap; gap: 9px; }
.pill {
  font-size: 0.88rem; color: var(--text-dim); direction: ltr;
  background: var(--surface); border: 1px solid var(--border); border-radius: 9px;
  padding: 6px 13px; transition: all .2s var(--ease);
}
.pill:hover { color: var(--accent); border-color: var(--accent-dim); background: var(--accent-soft); }

/* ===== Contact ===== */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 56px; align-items: start; }
.contact__text { color: var(--text-dim); font-size: 1.08rem; line-height: 1.75; max-width: 42ch; unicode-bidi: plaintext; }
.contact__links { display: flex; flex-direction: column; gap: 4px; }
.contact__link {
  display: flex; align-items: center; gap: 14px; padding: 16px 4px;
  border-bottom: 1px solid var(--border); transition: padding .25s var(--ease); direction: ltr;
}
.contact__link:last-child { border-bottom: none; }
.contact__link:hover { padding-inline-start: 12px; }
.contact__label {
  font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-mute); min-width: 74px;
}
.contact__value { font-size: 1.02rem; font-weight: 500; color: var(--text); flex: 1; }
.contact__link:hover .contact__value { color: var(--accent); }
.contact__arrow { color: var(--text-mute); transition: transform .2s var(--ease), color .2s var(--ease); }
.contact__link:hover .contact__arrow { color: var(--accent); transform: translate(2px, -2px); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { border-top: 1px solid var(--border); margin-top: 40px; }
.footer__inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-block: 30px 40px;
}
.footer__logo { font-weight: 700; letter-spacing: -0.02em; color: var(--text); direction: ltr; }
.footer__made { font-size: 0.88rem; color: var(--text-mute); unicode-bidi: plaintext; }

/* =========================================================
   REVEAL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* =========================================================
   RTL / Arabic
   The layout flips via logical properties; Latin fragments
   (name, tags, links, tech pills) stay LTR for correct reading.
   ========================================================= */
html[dir="rtl"] body { letter-spacing: 0; }
html[dir="rtl"] .hero__eyebrow { align-self: end; }
html[dir="rtl"] .eyebrow,
html[dir="rtl"] .nav__logo,
html[dir="rtl"] .footer__logo,
html[dir="rtl"] .hero__name,
html[dir="rtl"] .stat__num { direction: ltr; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; gap: 34px; }
  .about__stats {
    flex-direction: row; flex-wrap: wrap; gap: 32px;
    padding-inline-start: 0; border-inline-start: none;
    padding-top: 26px; border-top: 1px solid var(--border);
  }
  .contact { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 680px) {
  .container { padding-inline: 20px; }
  .burger { display: flex; }
  .nav__links {
    position: fixed; top: var(--nav-h); inset-inline: 0; z-index: 30;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(9,9,11,0.96); backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px 20px;
    transform: translateY(-115%); opacity: 0; visibility: hidden;
    transition: transform .32s var(--ease), opacity .25s var(--ease), visibility .32s;
  }
  .nav__links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__links a { padding: 14px 2px; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav__links a::after { display: none; }
  .lang-toggle { margin-top: 14px; align-self: start; }
  html[dir="rtl"] .lang-toggle { align-self: end; }

  .projects { grid-template-columns: 1fr; }
  .skill-group { grid-template-columns: 1fr; gap: 10px; }
  .skill-group__cat { padding-top: 0; }
  .card__foot { flex-direction: column; align-items: flex-start; }
  .hero { min-height: auto; padding-block: 60px 40px; }
}

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