/* ===================================================================
   دار تك التقنية — Portfolio
   Premium • Modern • RTL
   =================================================================== */

:root {
  /* Brand */
  --c1: #a33cff;
  --c2: #7820ff;
  --grad: linear-gradient(135deg, #a33cff 0%, #7820ff 100%);
  --grad-soft: linear-gradient(135deg, rgba(163,60,255,.18), rgba(120,32,255,.18));

  /* Surfaces */
  --bg: #07040d;
  --bg-2: #0d0717;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(163, 60, 255, 0.45);

  /* Text */
  --text: #f4f1fa;
  --muted: #a59fb8;
  --muted-2: #6f6982;

  /* Effects */
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
  --glow: 0 0 60px -10px rgba(163, 60, 255, 0.55);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --maxw: 1240px;
  --font: "IBM Plex Sans Arabic", "Tajawal", system-ui, sans-serif;
  --font-display: "Tajawal", "IBM Plex Sans Arabic", sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
::selection { background: rgba(163, 60, 255, 0.4); color: #fff; }

/* ---------- Animated background ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(120, 32, 255, 0.22), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, rgba(163, 60, 255, 0.18), transparent 55%),
    var(--bg);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
}
.orb--1 {
  width: 520px; height: 520px;
  top: -120px; inset-inline-start: -120px;
  background: radial-gradient(circle, #a33cff, transparent 70%);
  animation: float1 20s var(--ease) infinite;
}
.orb--2 {
  width: 460px; height: 460px;
  bottom: -160px; inset-inline-end: -100px;
  background: radial-gradient(circle, #7820ff, transparent 70%);
  animation: float2 24s var(--ease) infinite;
}
.orb--3 {
  width: 360px; height: 360px;
  top: 40%; inset-inline-start: 55%;
  background: radial-gradient(circle, #c479ff, transparent 70%);
  opacity: 0.3;
  animation: float3 28s var(--ease) infinite;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 100%);
}

@keyframes float1 { 50% { transform: translate(120px, 80px) scale(1.1); } }
@keyframes float2 { 50% { transform: translate(-100px, -70px) scale(1.15); } }
@keyframes float3 { 50% { transform: translate(-80px, 60px) scale(0.9); } }

/* ---------- Topbar ---------- */
.topbar {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1.2rem, 5vw, 3.5rem);
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.topbar.is-scrolled {
  background: rgba(7, 4, 13, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border);
  padding-block: 0.8rem;
}

.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: inset 0 0 18px rgba(163, 60, 255, 0.18);
}
.brand__mark--sm { width: 38px; height: 38px; }
.brand__logo { width: 100%; height: 100%; object-fit: contain; border-radius: inherit; }
/* full logo (image already contains the name) */
.brand__logo--full { width: auto; height: 46px; border-radius: 0; }
.brand__logo--footer { height: 40px; }
@media (max-width: 720px) { .brand__logo--full { height: 38px; } }
.brand__name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.2px; }
.brand__name b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.topbar__cta {
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.6rem 1.3rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}
.topbar__cta:hover { border-color: var(--border-strong); background: var(--grad-soft); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 9rem clamp(1.2rem, 5vw, 2rem) 5rem;
}
.hero__inner { max-width: 880px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(8px);
  margin-bottom: 1.8rem;
}
.hero__eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c1);
  box-shadow: 0 0 12px 2px rgba(163, 60, 255, 0.8);
  animation: pulse 2s infinite;
}
@keyframes pulse { 50% { opacity: 0.4; transform: scale(0.8); } }

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 1.12;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
}
.grad-text {
  display: inline-block;
  background: linear-gradient(120deg, #c479ff, #7820ff, #a33cff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer { to { background-position: 200% center; } }

.hero__text {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 2.6rem;
}

.hero__actions { display: flex; justify-content: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.02rem;
  padding: 0.95rem 2rem;
  border-radius: 100px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), filter 0.35s var(--ease);
}
.btn svg { transition: transform 0.35s var(--ease); }
.btn--primary {
  color: #fff;
  background: var(--grad);
  box-shadow: 0 14px 40px -12px rgba(120, 32, 255, 0.8), var(--glow);
}
.btn--primary:hover { transform: translateY(-3px); filter: brightness(1.08); box-shadow: 0 22px 55px -12px rgba(120, 32, 255, 0.9), var(--glow); }
.btn--primary:hover svg { transform: translateX(-5px); }

/* Stats */
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.5rem, 6vw, 4rem);
  margin-top: 4rem;
}
.hero__stats li { display: flex; flex-direction: column; gap: 0.2rem; }
.hero__stats strong {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__stats span { font-size: 0.85rem; color: var(--muted-2); }

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 1.8rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border);
  border-radius: 16px;
  display: grid;
  place-items: start center;
  padding-top: 7px;
}
.scroll-hint span {
  width: 4px; height: 8px; border-radius: 4px;
  background: var(--c1);
  animation: scrolldot 1.8s var(--ease) infinite;
}
@keyframes scrolldot { 0%,100% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; transform: translateY(10px); } }

/* ---------- Section head ---------- */
.portfolio {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.2rem, 5vw, 2rem) 5rem;
}
.section-head { text-align: center; margin-bottom: 3rem; }
.section-head__kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--c1);
}
.section-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0.6rem 0 0.8rem;
}
.section-head__sub { color: var(--muted); max-width: 560px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- Controls ---------- */
.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1 1 280px;
  max-width: 380px;
  padding: 0 1.1rem;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.search:focus-within {
  border-color: var(--border-strong);
  background: var(--surface-2);
  box-shadow: 0 0 0 4px rgba(163, 60, 255, 0.12);
  color: var(--c1);
}
.search__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.98rem;
  padding: 0.85rem 0;
}
.search__input::placeholder { color: var(--muted-2); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.4rem;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.filter {
  position: relative;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.6rem 1.25rem;
  border-radius: 100px;
  transition: color 0.3s var(--ease);
  z-index: 1;
  white-space: nowrap;
}
.filter::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 100px;
  background: var(--grad);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  z-index: -1;
  box-shadow: var(--glow);
}
.filter:hover { color: var(--text); }
.filter.is-active { color: #fff; }
.filter.is-active::before { opacity: 1; transform: scale(1); }

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.8rem;
}

/* ---------- Card ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
  will-change: transform;
}
/* gradient border on hover */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad);
  -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 0.45s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-10px);
  border-color: transparent;
  box-shadow: 0 30px 70px -25px rgba(0,0,0,0.8), 0 0 50px -12px rgba(163, 60, 255, 0.5);
}
.card:hover::before { opacity: 1; }

.card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.card__thumb {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  transition: transform 0.7s var(--ease);
}
.card:hover .card__thumb { transform: scale(1.12); }
.card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transform: scale(1.02);
  transition: transform 0.7s var(--ease);
}
.card:hover .card__img { transform: scale(1.12); }
.card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,4,13,0.85) 0%, rgba(7,4,13,0.1) 45%, transparent 70%);
}
/* sheen */
.card__media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.18) 48%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.8s var(--ease);
}
.card:hover .card__media::before { transform: translateX(120%); }

.badge {
  position: absolute;
  top: 1rem;
  inset-inline-start: 1rem;
  z-index: 3;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
  color: #fff;
  background: rgba(7, 4, 13, 0.55);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
}
.badge::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c1);
  margin-inline-end: 6px;
  vertical-align: middle;
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.4rem 1.5rem 1.6rem;
  flex: 1;
}
.card__top { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.card__title { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; }
.card__niche {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--c1);
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  background: var(--grad-soft);
  border: 1px solid rgba(163, 60, 255, 0.25);
}
.card__desc { color: var(--muted); font-size: 0.95rem; flex: 1; }

.card__btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  padding: 0.65rem 1.3rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), gap 0.35s var(--ease), color 0.35s var(--ease);
}
.card__btn svg { transition: transform 0.35s var(--ease); }
.card:hover .card__btn { background: var(--grad); border-color: transparent; color: #fff; box-shadow: var(--glow); }
.card:hover .card__btn { gap: 0.8rem; }
.card:hover .card__btn svg { transform: translateX(-4px); }

/* filtered out */
.card.is-hidden { display: none; }

/* ---------- Empty ---------- */
.empty {
  text-align: center;
  color: var(--muted);
  font-size: 1.1rem;
  padding: 4rem 1rem;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: linear-gradient(to top, rgba(120,32,255,0.08), transparent);
  text-align: center;
  padding: 3rem 1.5rem 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.footer__brand { display: flex; align-items: center; gap: 0.6rem; }
.footer__copy { color: var(--muted-2); font-size: 0.9rem; }
.footer__admin {
  font-size: 0.78rem;
  color: var(--muted-2);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.footer__admin:hover { color: var(--c1); border-color: var(--border-strong); }

/* ---------- Animations (Intersection Observer) ---------- */
[data-anim] {
  opacity: 0;
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}
[data-anim="fade-up"] { transform: translateY(40px); }
[data-anim="fade-in"] { transform: none; }
[data-anim="scale-in"] { transform: scale(0.92); }
[data-anim].is-visible { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: 0.12s; }
[data-delay="2"] { transition-delay: 0.24s; }
[data-delay="3"] { transition-delay: 0.36s; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .controls { flex-direction: column; align-items: stretch; }
  .search { max-width: none; }
  .filters { justify-content: center; }
  .grid { grid-template-columns: 1fr; gap: 1.4rem; }
  .hero__stats { gap: 2rem; }
  .topbar__cta { display: none; }
}

@media (max-width: 420px) {
  .filter { padding: 0.55rem 0.95rem; font-size: 0.85rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  [data-anim] { opacity: 1 !important; transform: none !important; }
}