/* ============================================
   حامد القويسم — Premium Links Hub v2
   Unified button system · Mobile-first · RTL
   ============================================ */

:root{
  --bg:#07070d;
  --bg-2:#0c0c18;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.07);
  --surface-3:rgba(255,255,255,.10);
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.18);

  --text:#f5f5f8;
  --text-soft:#cfcfdc;
  --text-muted:#8e8ea0;

  --violet:#8b5cf6;
  --violet-2:#6d28d9;
  --cyan:#06b6d4;
  --gold:#f5b74e;
  --gold-2:#d4901f;
  --green:#22c55e;
  --whatsapp:#25d366;
  --whatsapp-2:#128c7e;

  /* Unified button radii & spacing */
  --btn-h:48px;
  --btn-px:18px;
  --btn-radius:999px;
  --btn-font-size:14.5px;
  --btn-font-weight:600;

  --r-md:14px;
  --r-lg:20px;
  --r-xl:26px;
  --r-pill:999px;

  --shadow-card:0 4px 28px rgba(0,0,0,.35),0 1px 0 rgba(255,255,255,.04) inset;
  --shadow-hover:0 18px 50px rgba(0,0,0,.5),0 1px 0 rgba(255,255,255,.06) inset;

  --ease:cubic-bezier(.2,.8,.2,1);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans Arabic','Tajawal','Cairo',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  min-height:100dvh;
  overflow-x:hidden;
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(139,92,246,.20), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(6,182,212,.14), transparent 60%),
    radial-gradient(800px 500px at 50% 110%, rgba(245,183,78,.09), transparent 60%);
  background-attachment:fixed;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit}

/* ============ ANIMATED BACKGROUND ============ */
.bg-orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(80px)}
.orb-1{width:400px;height:400px;background:#8b5cf6;top:-120px;right:-80px;opacity:.45;animation:floatA 18s ease-in-out infinite}
.orb-2{width:340px;height:340px;background:#06b6d4;bottom:10%;left:-100px;opacity:.38;animation:floatB 22s ease-in-out infinite}
.orb-3{width:280px;height:280px;background:#f5b74e;top:50%;right:25%;opacity:.18;animation:floatC 26s ease-in-out infinite}
.grid-overlay{
  position:absolute;inset:0;opacity:.03;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:50px 50px;
  mask-image:radial-gradient(circle at center, black 0%, transparent 70%);
}
@keyframes floatA{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.08)}}
@keyframes floatB{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-30px,40px) scale(1.05)}}
@keyframes floatC{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(20px,30px) scale(1.1)}}

/* ============ SCROLL PROGRESS ============ */
.scroll-progress{
  position:fixed;top:0;right:0;height:3px;width:0%;
  background:linear-gradient(90deg,#8b5cf6,#06b6d4,#f5b74e);
  z-index:100;border-radius:0 0 0 3px;
  transition:width .15s ease-out;
}

main{position:relative;z-index:1;max-width:720px;margin:0 auto;padding:20px 18px 96px}

/* ============ HERO ============ */
.hero{padding:18px 6px 24px;text-align:center;animation:heroIn .8s var(--ease) both}
@keyframes heroIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface-2);border:1px solid var(--border);
  font-size:12px;color:var(--text-soft);font-weight:500;
  margin-bottom:14px;
  animation:slideDown .6s var(--ease) .1s both;
}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(34,197,94,.18);animation:pulseDot 2s ease-in-out infinite
}
@keyframes pulseDot{50%{box-shadow:0 0 0 8px rgba(34,197,94,0)}}

.hero-name{
  font-size:13.5px;font-weight:600;color:var(--text-muted);
  letter-spacing:.5px;margin:0 0 6px;
  animation:fadeUp .7s var(--ease) .2s both;
}
.hero-title{
  font-size:clamp(26px,7vw,38px);font-weight:700;line-height:1.2;
  margin:0 0 10px;letter-spacing:-.5px;
  animation:fadeUp .7s var(--ease) .3s both;
}
.grad-text{
  background:linear-gradient(90deg,#8b5cf6 0%,#06b6d4 50%,#f5b74e 100%);
  background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:inline-block;animation:gradShift 8s linear infinite;
}
@keyframes gradShift{0%{background-position:0% 50%}100%{background-position:200% 50%}}
.hero-sub{
  color:var(--text-muted);font-size:14.5px;margin:0;
  animation:fadeUp .7s var(--ease) .4s both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}

/* ============ TABS ============ */
.tabs{
  position:sticky;top:8px;z-index:20;
  display:flex;gap:8px;align-items:stretch;
  padding:6px;margin:24px 0 28px;
  background:rgba(7,7,13,.75);
  backdrop-filter:blur(24px) saturate(160%);
  -webkit-backdrop-filter:blur(24px) saturate(160%);
  border:1px solid var(--border);border-radius:var(--r-pill);
  box-shadow:0 8px 30px rgba(0,0,0,.3);
  animation:tabsIn .7s var(--ease) .5s both;
}
@keyframes tabsIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}

.tab{
  flex:1;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 10px;
  border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;color:var(--text-muted);
  background:transparent;border:1px solid transparent;
  white-space:nowrap;
  transition:color .3s ease,background .3s ease,box-shadow .3s ease,transform .15s var(--ease);
  -webkit-tap-highlight-color:transparent;
}
.tab svg{flex-shrink:0;opacity:.65;transition:opacity .25s ease}
.tab:hover{color:var(--text-soft);background:rgba(255,255,255,.04)}
.tab:hover svg{opacity:.95}
.tab:active{transform:scale(.96)}

.tab[aria-selected="true"]{
  background:linear-gradient(135deg,#8b5cf6 0%,#6d28d9 100%);
  color:#fff;
  box-shadow:0 6px 22px rgba(139,92,246,.45),0 1px 0 rgba(255,255,255,.18) inset;
}
.tab[aria-selected="true"] svg{opacity:1}

.tab-sm{flex:0 0 auto;padding:12px 16px}

/* ============ PANEL ============ */
.panel{
  animation:panelIn .5s var(--ease);
}
@keyframes panelIn{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}
.panel[hidden]{display:none}

.panel-intro{margin-bottom:18px;text-align:center}
.panel-kicker{
  display:inline-flex;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(245,183,78,.14);color:var(--gold);
  font-size:11.5px;font-weight:700;letter-spacing:.4px;
  border:1px solid rgba(245,183,78,.3);
  margin-bottom:10px;
}
.panel-kicker-green{
  background:rgba(34,197,94,.14);color:#86efac;
  border-color:rgba(34,197,94,.32);
}
.panel-kicker-violet{
  background:rgba(139,92,246,.16);color:#c4b5fd;
  border-color:rgba(139,92,246,.32);
}
.panel-title{font-size:clamp(22px,5.2vw,28px);font-weight:700;margin:0 0 6px;line-height:1.3}
.panel-sub{color:var(--text-muted);font-size:14px;margin:0}

/* ============ COURSE CARD (unified) ============ */
.course{
  position:relative;display:block;
  padding:22px 20px;margin-top:14px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--border);
  backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .4s var(--ease),box-shadow .35s ease,border-color .3s ease,background .3s ease;
  overflow:hidden;
}
.course::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(400px 200px at var(--mx,50%) var(--my,0%), rgba(139,92,246,.10), transparent 60%);
  opacity:0;transition:opacity .35s ease;pointer-events:none;
}
.course:hover{
  transform:translateY(-5px);
  background:var(--surface-2);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-hover);
}
.course:hover::before{opacity:1}

.course-featured{
  background:linear-gradient(135deg,rgba(245,183,78,.10) 0%,rgba(139,92,246,.08) 100%);
  border-color:rgba(245,183,78,.30);
}
.course-featured:hover{border-color:rgba(245,183,78,.50)}

.course-free{
  border-color:rgba(34,197,94,.20);
}
.course-free:hover{border-color:rgba(34,197,94,.40)}

.course-head{
  display:flex;align-items:flex-start;gap:12px;
  margin-bottom:14px;
}

.course-icon{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(245,183,78,.14);color:var(--gold);
  border:1px solid rgba(245,183,78,.30);
  transition:transform .4s var(--ease);
}
.course:hover .course-icon{transform:scale(1.08) rotate(-3deg)}
.icon-violet{background:rgba(139,92,246,.16);color:#c4b5fd;border-color:rgba(139,92,246,.32)}
.icon-green{background:rgba(34,197,94,.14);color:#86efac;border-color:rgba(34,197,94,.32)}
.icon-gold{background:rgba(245,183,78,.14);color:var(--gold);border-color:rgba(245,183,78,.32)}

.course-tags{display:flex;flex-wrap:wrap;gap:6px;flex:1;align-items:center}

.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:11px;font-weight:700;letter-spacing:.2px;
  white-space:nowrap;
}
.badge-gold{
  background:linear-gradient(135deg,#f5b74e 0%,#d4901f 100%);color:#1a1207;
  box-shadow:0 2px 10px rgba(245,183,78,.30);
}
.badge-soft{background:var(--surface-2);color:var(--text-soft);border:1px solid var(--border)}
.badge-violet{background:rgba(139,92,246,.16);color:#c4b5fd;border:1px solid rgba(139,92,246,.32)}
.badge-green{background:rgba(34,197,94,.14);color:#86efac;border:1px solid rgba(34,197,94,.32)}

/* Badge shimmer animation */
.shimmer{position:relative;overflow:hidden}
.shimmer::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg, transparent 35%, rgba(255,255,255,.45) 50%, transparent 65%);
  transform:translateX(100%);animation:shimmer 2.6s ease-in-out infinite;
}
@keyframes shimmer{
  0%{transform:translateX(100%)}
  60%,100%{transform:translateX(-100%)}
}

.course-title{font-size:17px;font-weight:700;margin:0 0 8px;line-height:1.4}
.course-desc{font-size:14px;color:var(--text-muted);margin:0 0 16px;line-height:1.65}

.course-features{
  list-style:none;padding:0;margin:0 0 18px;
  display:flex;flex-direction:column;gap:8px;
}
.course-features li{
  display:flex;align-items:flex-start;gap:8px;
  font-size:13.5px;color:var(--text-soft);line-height:1.55;
}
.course-features svg{color:var(--gold);flex-shrink:0;margin-top:4px}

/* ============ UNIFIED PRICE BLOCK ============ */
.price-block{
  margin:0 0 18px;
  padding:14px 16px;
  background:rgba(245,183,78,.07);
  border:1px solid rgba(245,183,78,.20);
  border-radius:var(--r-md);
}
.price-line{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;
}
.price-now{
  font-size:32px;font-weight:800;color:var(--gold);
  line-height:1;letter-spacing:-.5px;
}
.price-now i{
  font-size:18px;font-style:normal;font-weight:700;
  margin-inline-start:2px;color:var(--gold);
}
.price-old{color:var(--text-muted);font-size:14px}
.price-old s{color:var(--text-muted)}
.price-save{
  margin-inline-start:auto;
  background:rgba(34,197,94,.16);color:#86efac;
  font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(34,197,94,.32);
  animation:savePulse 3s ease-in-out infinite;
}
@keyframes savePulse{
  0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,.4)}
  50%{box-shadow:0 0 0 6px rgba(34,197,94,0)}
}
.price-note{
  display:flex;align-items:flex-start;gap:6px;
  margin:10px 0 0;padding-top:10px;
  border-top:1px dashed rgba(245,183,78,.22);
  font-size:12.5px;color:var(--text-soft);line-height:1.5;
}
.price-note svg{color:var(--gold);flex-shrink:0;margin-top:3px}
.price-note strong{color:var(--gold);font-weight:700}

/* ============ UNIFIED BUTTON SYSTEM ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:var(--btn-h);padding:0 var(--btn-px);
  border-radius:var(--btn-radius);
  font-size:var(--btn-font-size);font-weight:var(--btn-font-weight);
  letter-spacing:.1px;line-height:1;
  border:1px solid transparent;
  cursor:pointer;user-select:none;
  transition:transform .25s var(--ease),box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease;
  white-space:nowrap;
  position:relative;overflow:hidden;
  isolation:isolate;
}
.btn svg{flex-shrink:0}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--violet);outline-offset:3px}

/* Primary CTA (WhatsApp green) */
.btn-primary{
  background:linear-gradient(135deg,var(--whatsapp) 0%,var(--whatsapp-2) 100%);
  color:#fff;
  box-shadow:0 6px 20px rgba(37,211,102,.32),0 1px 0 rgba(255,255,255,.15) inset;
}
.btn-primary:hover{
  box-shadow:0 10px 30px rgba(37,211,102,.5),0 1px 0 rgba(255,255,255,.2) inset;
  filter:brightness(1.05);
}
.btn-primary::before{
  content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;
  background:linear-gradient(110deg, transparent 30%, rgba(255,255,255,.25) 50%, transparent 70%);
  transition:left .7s ease;
}
.btn-primary:hover::before{left:100%}

/* Secondary CTA (transparent + border) */
.btn-secondary{
  background:var(--surface-2);
  color:var(--text);
  border-color:var(--border-strong);
}
.btn-secondary:hover{
  background:var(--surface-3);
  border-color:rgba(255,255,255,.30);
  box-shadow:0 6px 20px rgba(0,0,0,.25);
}

.btn-full{width:100%}
.btn-lg{min-height:54px;padding:0 26px;font-size:15.5px}

/* Unified CTA row — stacks vertically on mobile, side-by-side on wider */
.cta-row{
  display:flex;flex-direction:column;gap:12px;
  margin-top:4px;
}
.cta-row .btn{width:100%}
/* On mobile, primary on top (more prominent), secondary below */
.cta-row .btn-primary{order:1}
.cta-row .btn-secondary{order:2}

@media (min-width:540px){
  .cta-row{flex-direction:row;gap:14px}
  .cta-row .btn{flex:1;width:auto;order:initial}
}

/* ============ SUPPORT (always visible) ============ */
.support{
  margin-top:36px;padding:28px 22px;
  border-radius:var(--r-xl);
  background:linear-gradient(135deg,rgba(37,211,102,.10) 0%,rgba(6,182,212,.06) 100%);
  border:1px solid rgba(37,211,102,.22);
  text-align:center;backdrop-filter:blur(20px);
}
.support-icon{
  width:56px;height:56px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(37,211,102,.16);color:#86efac;
  border:1px solid rgba(37,211,102,.32);margin-bottom:14px;
  animation:bobble 4s ease-in-out infinite;
}
@keyframes bobble{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.support-title{font-size:clamp(20px,4.6vw,24px);font-weight:700;margin:0 0 8px;line-height:1.35}
.support-desc{color:var(--text-soft);font-size:14.5px;margin:0 0 18px;max-width:420px;margin-inline:auto;line-height:1.65}

/* ============ FOOTER ============ */
.footer{
  position:relative;z-index:1;
  margin-top:32px;padding:24px 0 12px;
  text-align:center;
  border-top:1px solid var(--border);
}
.footer-name{font-size:16px;font-weight:700;margin:0 0 12px;color:var(--text-soft)}
.socials{display:inline-flex;gap:10px;margin-bottom:14px}
.social-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  color:var(--text-muted);
  transition:all .25s var(--ease);
}
.social-icon:hover{
  background:var(--surface-2);border-color:var(--border-strong);
  color:var(--text);transform:translateY(-2px);
}
.copyright{font-size:11.5px;color:var(--text-muted);margin:0}

/* ============ FLOATING WHATSAPP ============ */
.whatsapp-float{
  position:fixed;bottom:18px;left:18px;z-index:50;
  width:58px;height:58px;border-radius:50%;
  background:linear-gradient(135deg,var(--whatsapp),var(--whatsapp-2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 32px rgba(37,211,102,.5),0 2px 8px rgba(0,0,0,.3);
  transition:transform .25s var(--ease);
  animation:wpFloat 3s ease-in-out infinite;
}
@keyframes wpFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.whatsapp-float:hover{transform:scale(1.08) translateY(-2px)}
.whatsapp-float .pulse{
  position:absolute;inset:0;border-radius:50%;
  background:rgba(37,211,102,.45);z-index:-1;
}
.pulse-1{animation:wpPulse 2.2s ease-out infinite}
.pulse-2{animation:wpPulse 2.2s ease-out 1.1s infinite}
@keyframes wpPulse{
  0%{transform:scale(.85);opacity:.65}
  100%{transform:scale(1.7);opacity:0}
}
@media (min-width:768px){
  .whatsapp-float{bottom:24px;left:24px;width:62px;height:62px}
}

/* ============ REVEAL ANIMATIONS ============ */
[data-reveal]{
  opacity:0;transform:translateY(22px);
  transition:opacity .75s var(--ease),transform .75s var(--ease);
  will-change:opacity,transform;
}
[data-reveal].is-visible{opacity:1;transform:translateY(0)}

/* Stagger children inside panels */
.panel [data-reveal]:nth-child(1){transition-delay:.05s}
.panel [data-reveal]:nth-child(2){transition-delay:.12s}
.panel [data-reveal]:nth-child(3){transition-delay:.19s}
.panel [data-reveal]:nth-child(4){transition-delay:.26s}
.panel [data-reveal]:nth-child(5){transition-delay:.33s}
.panel [data-reveal]:nth-child(6){transition-delay:.40s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .orb{animation:none}
}

/* ============ DESKTOP ============ */
@media (min-width:640px){
  .cta-row .btn:not(.btn-full){flex:1}
}
@media (min-width:768px){
  main{max-width:760px;padding:32px 24px 120px}
  .hero{padding:28px 0 32px}
  .course{padding:26px 24px}
  .tabs{top:14px}
}
@media (min-width:1024px){
  main{max-width:860px}
}

/* Selection */
::selection{background:rgba(139,92,246,.4);color:#fff}