/* =========================================================
   Tackween Landing Page — Arabic (RTL)
   Intro: Waves form the word "تكوين"
   Sections: Services, About, Contact
   ========================================================= */

:root{
  --bg-900:#0f1a1f;
  --bg-800:#132229;
  --paper:#f9faf9;
  --muted:#b9c3c8;

  --olive:#a8b1a1;
  --olive-2:#778775;
  --lime:#b8c200;
  --slate:#4b5c67;

  --card: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.12);
  --shadow: 0 18px 55px rgba(0,0,0,.35);

  --radius: 22px;
  --radius-sm: 16px;
  --max: 1160px;

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

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Cairo, Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: 
              
              linear-gradient(90deg, var(--bg-900), var(--bg-800));
  color: var(--paper);
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
button, input, select, textarea{font:inherit}

.container{max-width:var(--max); margin:0 auto; padding:0 18px}

/* subtle noise overlay */
.noise{
  pointer-events:none;
  position:fixed; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='260' height='260' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  opacity:.012;
  mix-blend-mode:normal;
  z-index:1;
}

.scroll-progress{
  position:fixed; top:0; left:0; right:0; height:3px;
  background: transparent;
  z-index: 9999;
}
.scroll-progress span{
  display:block; height:100%; width:0%;
  background: linear-gradient(90deg, rgba(184,194,0,.2), rgba(168,177,161,.9));
}

/* =========================================================
   Header
   ========================================================= */
.header{
  position:sticky; top:0; z-index:999;
  background: rgba(15, 26, 31, .55);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 10px 0;
  gap:14px;
}

.brand{display:flex; align-items:center; gap:10px; min-width: 160px}
.brand__logo{
  height: 44px;
  width:auto;
  border-radius: 10px;
  background: rgba(255,255,255,.88);
  padding: 6px 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}

.nav{
  display:flex; gap: 8px;
  align-items:center;
  flex-wrap:wrap;
  justify-content:center;
}
.nav__link{
  position:relative;
  padding: 10px 12px;
  border-radius: 999px;
  color: rgba(255,255,255,.86);
  font-weight: 700;
  font-size: 14px;
  transition: background .25s var(--ease), color .25s var(--ease);
}
.nav__link:hover{background: rgba(255,255,255,.07)}
.nav__link.is-active{
  background: rgba(168,177,161,.13);
  color: var(--paper);
  outline: 1px solid rgba(168,177,161,.25);
}

.header__actions{display:flex; align-items:center; gap: 10px}

.burger{
  width: 44px; height: 44px;
  display:none;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  color: var(--paper);
  cursor:pointer;
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.burger:hover{transform: translateY(-1px); background: rgba(255,255,255,.09)}
.burger span{display:block; width:18px; height:2px; background:rgba(255,255,255,.88); margin:4px auto; border-radius:99px}

/* Mobile menu */
.mobile{
  position:fixed; inset:0;
  background: rgba(0,0,0,.55);
  display:none;
  z-index: 9999;
  padding: 16px;
}
.mobile.is-open{display:block}
.mobile__panel{
  max-width: 520px;
  margin-right:auto;
  height: calc(100vh - 32px);
  border-radius: var(--radius);
  background: rgba(249,250,249,.95);
  color: #0e1418;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.08);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.mobile__head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 14px;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.mobile__logo{height:40px; width:auto}
.mobile__close{
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.10);
  background: rgba(0,0,0,.04);
  cursor:pointer;
}
.mobile__links{display:flex; flex-direction:column; padding: 10px 12px}
.mobile__link{
  padding: 14px 14px;
  border-radius: 14px;
  font-weight: 800;
  color: #0e1418;
}
.mobile__link:hover{background: rgba(75,92,103,.08)}
.mobile__cta{margin-top:auto; padding: 12px 12px 16px}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;
  gap: 10px;
  align-items:center;
  justify-content:center;
  border-radius: 999px;
  padding: 11px 16px;
  font-weight: 800;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
  color: var(--paper);
  cursor:pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.11)}
.btn:active{transform: translateY(0px) scale(.99)}
.btn--primary{
  border: 1px solid rgba(184,194,0,.35);
  background: linear-gradient(135deg, rgba(184,194,0,.25), rgba(168,177,161,.18));
  box-shadow: 0 18px 45px rgba(184,194,0,.12);
}
.btn--ghost{background: transparent; border-color: rgba(255,255,255,.16); box-shadow:none}
.btn--sm{padding: 10px 14px; font-size: 14px}
.btn--block{width:100%}

/* =========================================================
   INTRO (only waves + "تكوين")
   ========================================================= */
.intro{
  position:relative;
  min-height: 78vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 36px 0 42px;
  z-index: 2;
}
.intro__bg{
  position:absolute; inset:0;

  background-size: cover;
  background-position: center top;
  opacity: .95;
}
.intro__bg::after{
  content:none;
}
.intro__inner{
  position:relative;
  text-align:center;
  width: 100vw;
  max-width: 100vw;
  margin-inline: calc(50% - 50vw);
  padding: 0;
}
.introArt{
  width: 100vw;
  max-width: 100vw;
  height: auto;
  filter: drop-shadow(0 30px 45px rgba(0,0,0,.35));
}

/* Waves */
.wave{fill:none; stroke-linecap:round; stroke-linejoin:round}
.wave--1{stroke: rgba(168,177,161,.48); stroke-width: 2.0; opacity: .65;}
.wave--2{stroke: rgba(255,255,255,.24); stroke-width: 1.6; opacity: .62;}
.wave--3{stroke: rgba(184,194,0,.34);  stroke-width: 1.9; opacity: .62;}

.bgWaves{opacity:.75}
.bgWaves .track{
  transform: translateX(0);
  will-change: transform;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
.bgWaves .track--a,
.bgWaves .track--b,
.bgWaves .track--d,
.bgWaves .track--e{
  animation-name: drift-left;
}
.bgWaves .track--c,
.bgWaves .track--f,
.bgWaves .track--g{
  animation-name: drift-right;
}
.bgWaves .track--d{animation-duration: 17s}
.bgWaves .track--b{animation-duration: 21s}
.bgWaves .track--a{animation-duration: 26s}
.bgWaves .track--e{animation-duration: 31s}
.bgWaves .track--c{animation-duration: 19s}
.bgWaves .track--f{animation-duration: 24s}
.bgWaves .track--g{animation-duration: 33s}

/* Word ink waves (inside clip) */
.wordWaves{
  opacity: .1;
  animation: inkRise 1.25s var(--ease) .35s forwards;
}
.wordWaves .track{
  transform: translateX(0);
  animation: drift-left 18s linear infinite;
  will-change: transform;
}
.wave--ink{stroke: rgba(255,255,255,.8); stroke-width: 2.6; opacity: .92;}
.wave--ink2{stroke: rgba(168,177,161,.88); stroke-width: 2.2; opacity: .88;}
.wave--ink3{stroke: rgba(184,194,0,.82); stroke-width: 2.3; opacity: .84;}

.track--ink1{animation-duration: 10s}
.track--ink2{animation-duration: 14s; animation-direction: reverse}
.track--ink3{animation-duration: 18s}

.writeReveal{
  transform-box: fill-box;
  transform-origin: right center;
  transform: scaleX(0);
  animation: writeRevealLoop 18s cubic-bezier(.19,.88,.2,1) 0s infinite;
}

.tkwTrace{
  font-family: Cairo, Inter, system-ui;
  font-weight: 900;
  font-size: 190px;
  letter-spacing: 0;
  unicode-bidi: plaintext;
  direction: rtl;
  text-rendering: geometricPrecision;
  fill: transparent;
  stroke: rgba(255,255,255,.56);
  stroke-width: 1.2;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: traceWordLoop 18s ease-out 0s infinite;
}

@keyframes drift-left{
  from{transform: translateX(0)}
  to{transform: translateX(-50%)}
}

@keyframes drift-right{
  from{transform: translateX(-50%)}
  to{transform: translateX(0)}
}

@keyframes writeRevealLoop{
  0%{transform: scaleX(0)}
  83.333%{transform: scaleX(1)}
  100%{transform: scaleX(1)}
}

@keyframes traceWordLoop{
  0%{stroke-dashoffset: 1200}
  83.333%{stroke-dashoffset: 0}
  100%{stroke-dashoffset: 0}
}

@keyframes inkRise{
  from{opacity: .1}
  to{opacity: 1}
}

/* Text */
.tkwMask{
  font-family: Cairo, Inter, system-ui;
  font-weight: 900;
  font-size: 190px;
  letter-spacing: 0;
  /* Improves Arabic shaping in some engines */
  unicode-bidi: plaintext;
  direction: rtl;
  text-rendering: geometricPrecision;
}

.intro__hint{
  margin: 14px auto 0;
  color: rgba(255,255,255,.78);
  font-weight: 700;
  line-height: 1.6;
  max-width: 70ch;
}

.scroll-down{
  position:absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 14px;
  width: 34px; height: 52px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  display:grid; place-items:center;
  z-index: 3;
}
.scroll-down span{
  width: 6px; height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.65);
  animation: scrollDot 1.4s var(--ease) infinite;
}
@keyframes scrollDot{
  0%{transform: translateY(-8px); opacity:.25}
  60%{transform: translateY(8px); opacity:1}
  100%{transform: translateY(10px); opacity:0}
}

/* =========================================================
   Sections
   ========================================================= */
.section{position:relative; z-index:2; padding: 78px 0; overflow-x : hidden;}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section__head{display:flex; justify-content:space-between; align-items:flex-end; gap:16px; margin-bottom: 22px}
.section__head h2{margin:0 0 6px; font-size: 32px}
.muted{color: rgba(255,255,255,.72); line-height: 1.8}

.grid{display:grid; gap: 14px}
.grid--3{grid-template-columns: repeat(3, minmax(0,1fr))}
.grid--2{grid-template-columns: repeat(2, minmax(0,1fr))}
.gap-sm{gap: 12px}

.card{
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 18px 18px;
  box-shadow: 0 18px 45px rgba(0,0,0,.18);
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.card:hover{transform: translateY(-3px); background: rgba(255,255,255,.075); border-color: rgba(168,177,161,.28)}
.card__icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(168,177,161,.12);
  border: 1px solid rgba(168,177,161,.20);
  color: rgba(184,194,0,.92);
  margin-bottom: 10px;
}
.card h3{margin: 4px 0 8px; font-size: 18px}
.card p{margin:0; color: rgba(255,255,255,.75); line-height: 1.8}
.card--soft{background: rgba(255,255,255,.04)}
.card--soft h3 i{color: rgba(184,194,0,.92); margin-inline-start: 8px}

/* feature highlight */
.feature{
  margin-top: 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(184,194,0,.20);
  background: linear-gradient(135deg, rgba(184,194,0,.10), rgba(168,177,161,.08));
  padding: 16px 16px;
  display:grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items:center;
}
.feature__icon{
  width: 52px; height: 52px;
  border-radius: 20px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(184,194,0,.92);
  font-size: 18px;
}

/* split (about) */
.split{display:grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items:start}
.panel{
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  padding: 18px 18px;
  box-shadow: 0 20px 50px rgba(0,0,0,.18);
}
.details{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.14);
  overflow:hidden;
}
.details summary{
  cursor:pointer;
  list-style:none;
  padding: 14px 16px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-weight: 900;
}
.details summary::-webkit-details-marker{display:none}
.details summary i{transition: transform .25s var(--ease)}
.details[open] summary i{transform: rotate(180deg)}
.details__content{padding: 0 16px 16px; color: rgba(255,255,255,.78); line-height: 1.9}
.sig{margin-top: 10px; color: rgba(255,255,255,.88)}

/* contact */
.contact{display:grid; grid-template-columns: .9fr 1.1fr; gap: 16px; align-items:start}
.contact__card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
}
.contact__row{
  display:flex; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.contact__row:last-child{border-bottom:none}
.contact__row i{
  width: 40px; height: 40px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(168,177,161,.12);
  border: 1px solid rgba(168,177,161,.20);
  color: rgba(184,194,0,.9);
}
.k{font-weight: 900}
.v{color: rgba(255,255,255,.78); margin-top: 2px}
.v a{color: rgba(184,194,0,.92)}
.divider{height:1px; background: rgba(255,255,255,.10); margin: 12px 0}
.social{display:flex; gap: 10px}
.social a{
  width: 44px; height: 44px;
  border-radius: 16px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.86);
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.social a:hover{transform: translateY(-2px); background: rgba(255,255,255,.08)}
.contact__hint{
  margin-top: 10px;
  color: rgba(255,255,255,.68);
  display:flex;
  gap: 10px;
  align-items:center;
  font-size: 13px;
}
.contact__hint i{color: rgba(184,194,0,.8)}

.contact__form{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
}
.field{display:flex; flex-direction:column; gap: 8px; margin-bottom: 12px}
label{font-weight: 900; color: rgba(255,255,255,.88); font-size: 13px}
input, select, textarea{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--paper);
  outline:none;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
input::placeholder, textarea::placeholder{color: rgba(255,255,255,.45)}
input:focus, select:focus, textarea:focus{
  border-color: rgba(184,194,0,.40);
  background: rgba(0,0,0,.22);
}
select option{color:#0e1418}
.tiny{font-size: 12px}

/* footer */
.footer--simple{
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  background: rgba(0,0,0,.12);
}
.footer__bar-inner{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  flex-wrap:wrap;
  color: rgba(255,255,255,.78);
}

/* back-to-top */
.to-top{
  position:fixed;
  right: 16px;
  bottom: 16px;
  width: 46px; height: 46px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(15,26,31,.60);
  color: var(--paper);
  cursor:pointer;
  display:none;
  z-index: 9998;
  backdrop-filter: blur(10px);
}
.to-top.is-show{display:grid; place-items:center}
.to-top:hover{background: rgba(15,26,31,.78)}

/* Responsive */
@media (max-width: 1020px){
  .section__head{flex-direction:column; align-items:flex-start}
  .split{grid-template-columns: 1fr}
  .contact{grid-template-columns: 1fr}
  .grid--3{grid-template-columns: 1fr}
  .grid--2{grid-template-columns: 1fr}
  .tkwMask, .tkwTrace{font-size: 182px}
}

@media (max-width: 860px){
  .nav{display:none}
  .burger{display:inline-grid; place-items:center}
  .feature{grid-template-columns: auto 1fr}
  .feature .btn{grid-column: 1 / -1}
  .tkwMask, .tkwTrace{font-size: 170px}
}

@media (max-width: 560px){
  .tkwMask, .tkwTrace{font-size: 156px}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .track, .scroll-down span{animation:none}
  .writeReveal{animation:none; transform: scaleX(1)}
  .tkwTrace{animation:none; opacity:1; stroke-dashoffset:0}
  .wordWaves{animation:none; opacity:1}
}