/* ===========================================================
   ADHAM — Personal Site
   Design tokens
   =========================================================== */
:root{
  --bg: #0b0c10;
  --bg-2: #11131a;
  --ink: #ededed;
  --ink-dim: #9a9da6;
  --gold: #c9a227;
  --gold-soft: #e3c567;
  --glass: rgba(255,255,255,0.045);
  --glass-strong: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.12);
  --line-soft: rgba(255,255,255,0.07);
  --shadow: rgba(0,0,0,0.45);

  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;

  --tabbar-h: 84px;
  --topbar-h: 64px;

  --ease: cubic-bezier(.22,.85,.32,1);
}

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

body{
  background: radial-gradient(120% 140% at 50% -10%, #15161d 0%, var(--bg) 55%, #07080a 100%);
  color: var(--ink);
  font-family: 'IBM Plex Sans Arabic', 'Space Grotesk', system-ui, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

html{ direction: rtl; }
body.ltr-mode{ direction: ltr; }

::selection{ background: var(--gold); color:#0b0c10; }

a{ color: inherit; text-decoration:none; }
button{ font-family: inherit; }

/* subtle grain / noise atmosphere */
.atmosphere{
  position: fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    radial-gradient(60% 40% at 18% 8%, rgba(201,162,39,0.10), transparent 60%),
    radial-gradient(50% 35% at 85% 92%, rgba(201,162,39,0.06), transparent 60%);
}
.atmosphere::after{
  content:"";
  position:absolute; inset:0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ===========================================================
   Top identity bar
   =========================================================== */
.topbar{
  position: sticky; top:0; z-index: 40;
  height: var(--topbar-h);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 22px;
  backdrop-filter: blur(18px) saturate(140%);
  background: rgba(11,12,16,0.62);
  border-bottom: 1px solid var(--line-soft);
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:'Space Grotesk', sans-serif;
  font-weight:600; font-size:17px; letter-spacing:.2px;
}
.brand-mark{
  width:30px; height:30px; border-radius:9px;
  background: linear-gradient(150deg, var(--gold-soft), var(--gold) 60%, #8a6c14);
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:13px; color:#0b0c10;
  box-shadow: 0 4px 14px rgba(201,162,39,0.35);
}
.lang-toggle{
  border:1px solid var(--line); background: var(--glass);
  color: var(--ink-dim); border-radius: 999px;
  padding: 7px 14px; font-size: 13px; cursor:pointer;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.lang-toggle:hover{ color: var(--gold-soft); border-color: rgba(201,162,39,0.45); }
.lang-toggle:focus-visible{ outline: 2px solid var(--gold); outline-offset: 2px; }

/* ===========================================================
   Page shell / sections
   =========================================================== */
.shell{
  position: relative; z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 38px 20px calc(var(--tabbar-h) + 56px);
  min-height: 100vh;
}

.page{
  display:none;
  animation: pageIn .5s var(--ease);
}
.page.active{ display:block; }

@keyframes pageIn{
  from{ opacity:0; transform: translateY(14px); }
  to{ opacity:1; transform: translateY(0); }
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Space Grotesk',sans-serif;
  font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold-soft); margin-bottom: 14px;
}
.eyebrow::before{
  content:""; width:7px; height:7px; border-radius:50%;
  background: var(--gold); box-shadow: 0 0 10px rgba(201,162,39,0.8);
}

h1.page-title{
  font-family:'Cairo', sans-serif;
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 48px);
  line-height: 1.15;
  margin: 0 0 14px;
}
h1.page-title .accent{ color: var(--gold-soft); }

.lede{
  color: var(--ink-dim);
  font-size: 16.5px;
  line-height: 1.85;
  max-width: 620px;
  margin: 0 0 36px;
}

/* live clock widget */
.live-clock{
  display:inline-flex; align-items:center; gap:14px;
  padding: 14px 20px; border-radius: 999px;
  margin: -14px 0 34px;
}
.lc-icon{ width:20px; height:20px; color: var(--gold-soft); flex-shrink:0; }
.lc-info{ display:flex; flex-direction:column; gap:2px; }
.lc-time{
  display:flex; align-items:baseline; gap:6px;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:17px;
}
.lc-ampm{ font-size:11.5px; color: var(--gold-soft); font-weight:600; letter-spacing:.04em; }
.lc-sub{
  display:flex; align-items:center; gap:7px;
  font-size:12px; color: var(--ink-dim);
}
.lc-dot{ opacity:.5; }
@media (max-width:480px){
  .live-clock{ display:flex; width:100%; }
}

/* generic glass card */
.glass{
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  backdrop-filter: blur(14px) saturate(130%);
}

/* ===========================================================
   HOME — identity / ID card signature element
   =========================================================== */
.hero{
  display:grid;
  grid-template-columns: 1.1fr 0.95fr;
  gap: 34px;
  align-items: center;
  margin-bottom: 56px;
}
@media (max-width: 760px){
  .hero{ grid-template-columns: 1fr; }
}

.hero-copy .role-tags{
  display:flex; flex-wrap:wrap; gap:10px; margin: 22px 0 30px;
}
.role-tag{
  border:1px solid var(--line); background: var(--glass);
  border-radius: 999px; padding: 8px 16px; font-size: 13.5px; color: var(--ink-dim);
}

.cta-row{ display:flex; gap:12px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 13px 22px; border-radius: 999px;
  font-size: 14.5px; font-weight:600;
  border: 1px solid transparent;
  cursor:pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.btn svg{ width:17px; height:17px; flex-shrink:0; }
.btn-primary{
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #1a1303;
  box-shadow: 0 10px 26px rgba(201,162,39,0.28);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 32px rgba(201,162,39,0.4); }
.btn-ghost{
  background: var(--glass); border-color: var(--line); color: var(--ink);
}
.btn-ghost:hover{ border-color: rgba(201,162,39,0.5); color: var(--gold-soft); transform: translateY(-2px); }
.btn:focus-visible{ outline: 2px solid var(--gold); outline-offset: 2px; }

/* the digital identity card — signature element */
.id-card-wrap{ perspective: 1400px; }
.id-card{
  position: relative;
  border-radius: 22px;
  padding: 26px 24px;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02)),
    linear-gradient(135deg, #15171e, #0c0d11);
  border: 1px solid rgba(201,162,39,0.35);
  box-shadow: 0 24px 60px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.06);
  transform-style: preserve-3d;
  transition: transform .35s var(--ease);
  overflow:hidden;
}
.id-card::before{
  content:"";
  position:absolute; inset:-2px;
  background: conic-gradient(from 180deg, transparent 0 70%, rgba(201,162,39,0.55) 80%, transparent 90%);
  opacity:.55; mix-blend-mode: screen;
  animation: sheen 6s linear infinite;
}
@keyframes sheen{ to{ transform: rotate(360deg); } }

.id-card-inner{ position:relative; z-index:2; }
.id-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:22px; }
.id-chip{
  width:42px; height:30px; border-radius:6px;
  background: linear-gradient(150deg, var(--gold-soft), #8a6c14);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25);
}
.id-label{ font-family:'Space Grotesk',sans-serif; font-size:11px; letter-spacing:.18em; color: var(--ink-dim); text-transform:uppercase; }

.id-photo-row{ display:flex; align-items:center; gap:16px; margin-bottom: 18px; }
.id-photo{
  width:64px; height:64px; border-radius:16px;
  background: linear-gradient(160deg,#23262f,#15171d);
  border:1px solid var(--line);
  position:relative; overflow:hidden;
  display:flex; align-items:center; justify-content:center;
}
.id-photo-fallback{
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:22px; color: var(--gold-soft);
}
.id-photo img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; object-position:center;
}
.id-names .id-name-ar{ font-family:'Cairo',sans-serif; font-weight:800; font-size:21px; }
.id-names .id-name-en{ font-family:'Space Grotesk',sans-serif; font-size:12.5px; color: var(--ink-dim); letter-spacing:.05em; margin-top:3px; }

.id-divider{ height:1px; background: var(--line-soft); margin: 18px 0; }

.id-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px 10px; }
.id-field .id-k{ font-size:10.5px; color: var(--ink-dim); letter-spacing:.1em; text-transform:uppercase; margin-bottom:4px; }
.id-field .id-v{ font-family:'Space Grotesk',sans-serif; font-size:13px; word-break: break-word; }

.id-footer{ margin-top:20px; display:flex; justify-content:space-between; align-items:center; }
.id-status{ display:flex; align-items:center; gap:7px; font-size:12px; color: var(--ink-dim); }
.id-status .dot{ width:7px; height:7px; border-radius:50%; background:#3ddc84; box-shadow:0 0 8px #3ddc84; }
.id-serial{ font-family:'Space Grotesk',sans-serif; font-size:11px; color: var(--ink-dim); letter-spacing:.08em; }

/* quick links row under hero */
.quick-links{
  display:grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
  margin-bottom: 60px;
}
@media (max-width:760px){ .quick-links{ grid-template-columns: repeat(3,1fr); } }
@media (max-width:420px){ .quick-links{ grid-template-columns: repeat(2,1fr); } }

.qlink{
  display:flex; flex-direction:column; align-items:center; gap:10px;
  padding: 16px 8px 14px; border-radius: var(--radius-sm);
  text-align:center; font-size:12.5px; color: var(--ink-dim);
  transition: transform .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}
.qlink svg{
  width:46px; height:46px;
  border-radius:13px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.qlink:hover svg{ transform: scale(1.08); box-shadow: 0 10px 22px rgba(0,0,0,0.45); }
.qlink:hover{
  transform: translateY(-4px);
  color: var(--gold-soft);
  border-color: rgba(201,162,39,0.4);
  background: rgba(201,162,39,0.06);
}
.qlink:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }

.section-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:22px; flex-wrap:wrap; gap:10px; }
.section-head h2{ font-family:'Cairo',sans-serif; font-weight:800; font-size: clamp(22px,3.4vw,28px); margin:0; }
.section-head .count{ font-family:'Space Grotesk',sans-serif; font-size:12.5px; color: var(--ink-dim); }

/* skills / strip on home */
.strip{
  display:flex; gap:12px; overflow-x:auto; padding-bottom:6px; margin-bottom:56px;
  scrollbar-width: none;
}
.strip::-webkit-scrollbar{ display:none; }
.strip-card{
  flex: 0 0 auto; min-width: 168px;
  padding: 20px; border-radius: var(--radius-sm);
}
.strip-card .num{ font-family:'Space Grotesk',sans-serif; color: var(--gold-soft); font-size:13px; margin-bottom:10px; }
.strip-card .t{ font-weight:700; font-size:14.5px; margin-bottom:6px; }
.strip-card .d{ font-size:12.5px; color: var(--ink-dim); line-height:1.6; }

/* ===========================================================
   ABOUT page
   =========================================================== */
.profile-showcase{
  display:flex; align-items:center; gap:26px;
  padding: 28px; border-radius: var(--radius-md);
  margin-bottom: 32px;
}
@media (max-width:560px){ .profile-showcase{ flex-direction:column; text-align:center; gap:18px; } }
.profile-photo{
  width:118px; height:118px; flex-shrink:0; border-radius:50%;
  position:relative; overflow:hidden;
  background: linear-gradient(160deg,#23262f,#15171d);
  border:3px solid var(--gold);
  box-shadow: 0 0 0 6px rgba(201,162,39,0.12), 0 16px 34px rgba(0,0,0,0.45);
  display:flex; align-items:center; justify-content:center;
}
.profile-photo-fallback{
  font-family:'Space Grotesk',sans-serif; font-weight:800; font-size:40px; color: var(--gold-soft);
}
.profile-photo img{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; object-position:center;
}
.profile-showcase-name{ font-family:'Cairo',sans-serif; font-weight:800; font-size:22px; margin-bottom:8px; }
.profile-showcase-text p{ color: var(--ink-dim); font-size:14px; line-height:1.7; margin:0; }

.about-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 18px;
  margin-bottom: 46px;
}
@media (max-width:760px){ .about-grid{ grid-template-columns:1fr; } }
.about-card{ padding: 24px; border-radius: var(--radius-md); }
.about-card h3{ font-family:'Cairo',sans-serif; font-size:17px; margin:0 0 10px; }
.about-card p{ color: var(--ink-dim); font-size:14.5px; line-height:1.85; margin:0; }

.timeline{ position:relative; padding-right: 26px; margin-bottom: 50px; }
body.ltr-mode .timeline{ padding-right:0; padding-left:26px; }
.timeline::before{
  content:""; position:absolute; top:6px; bottom:6px; right:6px; width:1px;
  background: linear-gradient(var(--line), transparent);
}
body.ltr-mode .timeline::before{ right:auto; left:6px; }
.t-item{ position:relative; padding-bottom: 30px; }
.t-item:last-child{ padding-bottom:0; }
.t-item::before{
  content:""; position:absolute; top:4px; right:0; width:13px; height:13px;
  border-radius:50%; background: var(--bg); border:2px solid var(--gold);
  transform: translateX(50%);
}
body.ltr-mode .t-item::before{ right:auto; left:0; transform: translateX(-50%); }
.t-item .t-tag{ font-family:'Space Grotesk',sans-serif; font-size:11.5px; color: var(--gold-soft); letter-spacing:.1em; text-transform:uppercase; margin-bottom:6px; }
.t-item h4{ margin:0 0 6px; font-size:16px; }
.t-item p{ margin:0; color: var(--ink-dim); font-size:14px; line-height:1.75; }

.values-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:14px; }
@media (max-width:760px){ .values-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .values-grid{ grid-template-columns:1fr; } }
.value-card{ padding:22px 18px; border-radius: var(--radius-sm); text-align:center; }
.value-card svg{ width:26px; height:26px; color: var(--gold-soft); margin-bottom:12px; }
.value-card h4{ font-size:14.5px; margin:0 0 8px; }
.value-card p{ font-size:12.5px; color: var(--ink-dim); margin:0; line-height:1.7; }

/* ===========================================================
   PROJECTS page
   =========================================================== */
.proj-filter{ display:flex; gap:10px; margin-bottom: 26px; flex-wrap:wrap; }
.chip{
  border:1px solid var(--line); background: var(--glass);
  padding: 9px 18px; border-radius: 999px; font-size:13px; color: var(--ink-dim);
  cursor:pointer; transition: all .25s var(--ease);
}
.chip.active{ background: linear-gradient(135deg,var(--gold-soft),var(--gold)); color:#1a1303; border-color: transparent; }
.chip:hover:not(.active){ border-color: rgba(201,162,39,0.45); color: var(--gold-soft); }
.chip:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }

.proj-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 18px; margin-bottom: 20px; }
@media (max-width:760px){ .proj-grid{ grid-template-columns: 1fr; } }

.proj-card{
  padding: 24px; border-radius: var(--radius-md);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
  display:none;
}
.proj-card.show{ display:block; animation: pageIn .4s var(--ease); }
.proj-card:hover{ transform: translateY(-5px); border-color: rgba(201,162,39,0.4); }
.proj-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom: 16px; }
.proj-icon{
  width:50px; height:50px; border-radius:14px;
  overflow:hidden;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
  transition: transform .3s var(--ease);
}
.proj-card:hover .proj-icon{ transform: scale(1.06); }
.proj-icon svg{ width:100%; height:100%; display:block; }
.proj-tag{ font-size:11px; color: var(--ink-dim); border:1px solid var(--line); border-radius:999px; padding:5px 12px; }
.proj-card h3{ font-family:'Cairo',sans-serif; font-size:18px; margin:0 0 10px; }
.proj-card p{ color: var(--ink-dim); font-size:13.5px; line-height:1.8; margin:0 0 18px; }
.proj-stack{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:18px; }
.proj-stack span{ font-size:11px; padding:4px 10px; border-radius:999px; background: var(--glass-strong); color: var(--ink-dim); }
.proj-link{ display:inline-flex; align-items:center; gap:8px; font-size:13px; color: var(--gold-soft); font-weight:600; }
.proj-link svg{ width:14px; height:14px; transition: transform .25s var(--ease); }
.proj-card:hover .proj-link svg{ transform: translateX(-4px); }
body.ltr-mode .proj-card:hover .proj-link svg{ transform: translateX(4px); }

/* ===========================================================
   CONTACT page
   =========================================================== */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom:40px; }
@media (max-width:760px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-card{
  padding: 22px; border-radius: var(--radius-md);
  display:flex; align-items:center; gap:16px;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.contact-card:hover{ transform: translateY(-4px); border-color: rgba(201,162,39,0.4); }
.contact-ic{
  width:52px; height:52px; flex-shrink:0; border-radius:15px;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
  transition: transform .3s var(--ease);
}
.contact-card:hover .contact-ic{ transform: scale(1.06); }
.contact-ic svg{ width:100%; height:100%; display:block; }
.contact-card .c-label{ font-size:11px; color: var(--ink-dim); letter-spacing:.06em; margin-bottom:4px; }
.contact-card .c-value{ font-family:'Space Grotesk',sans-serif; font-size:14.5px; font-weight:600; word-break: break-word; }

.social-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
@media (max-width:760px){ .social-grid{ grid-template-columns: repeat(2,1fr); } }

.social-card{
  padding: 22px 16px; border-radius: var(--radius-md);
  display:flex; flex-direction:column; align-items:center; gap:12px; text-align:center;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.social-card:hover{ transform: translateY(-5px) scale(1.02); border-color: rgba(201,162,39,0.45); background: rgba(201,162,39,0.06); }
.social-ic{
  width:54px; height:54px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
  transition: transform .3s var(--ease);
}
.social-card:hover .social-ic{ transform: scale(1.06); }
.social-ic svg{ width:100%; height:100%; display:block; }
.social-card .s-name{ font-weight:700; font-size:14px; }
.social-card .s-handle{ font-size:11.5px; color: var(--ink-dim); }

/* ===========================================================
   Floating glass tab bar (bottom nav) — mirrors WhatsApp tabbar
   =========================================================== */
.tabbar-zone{
  position: fixed; left:0; right:0; bottom:0; z-index: 50;
  display:flex; justify-content:center;
  padding: 0 16px 18px;
  pointer-events:none;
}
.tabbar{
  pointer-events:auto;
  width: min(560px, 100%);
  height: var(--tabbar-h);
  display:flex; align-items:center; justify-content:space-around;
  background: rgba(18,19,24,0.7);
  backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: 0 18px 40px var(--shadow), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: transform .45s var(--ease), opacity .45s var(--ease);
}
.tabbar.hide{ transform: translateY(120%); opacity:0; }

.tab-btn{
  position: relative;
  display:flex; flex-direction:column; align-items:center; gap:6px;
  background:none; border:none; color: var(--ink-dim);
  cursor:pointer; padding: 10px 14px; border-radius: 16px;
  font-size: 11.5px; font-family:'IBM Plex Sans Arabic', sans-serif;
  transition: color .25s var(--ease);
  flex:1;
}
.tab-btn svg{ width:23px; height:23px; transition: transform .3s var(--ease); }
.tab-btn .tlabel{ font-weight:600; }
.tab-btn.active{ color: var(--gold-soft); }
.tab-btn.active svg{ transform: translateY(-2px); }
.tab-btn.active::before{
  content:"";
  position:absolute; top:2px; left:50%; transform:translateX(-50%);
  width: 30px; height: 3px; border-radius:3px;
  background: var(--gold-soft);
  box-shadow: 0 0 10px rgba(201,162,39,0.7);
}
.tab-btn:hover{ color: var(--gold-soft); }
.tab-btn:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }

/* footer note */
.foot-note{
  text-align:center; color: var(--ink-dim); font-size:12px;
  margin-top: 30px; opacity:.7;
}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* scrollbar (desktop aesthetics) */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background: transparent; }
::-webkit-scrollbar-thumb{ background: rgba(255,255,255,0.12); border-radius:10px; }