/* ===========================================================
   MUHAMMAD ABDULLAH — PORTFOLIO
   Design tokens
   =========================================================== */
:root{
  --bg:            #060a12;
  --surface:       #0d1420;
  --surface-2:     #131d2c;
  --surface-3:     #1a2636;
  --accent:        #41c0f2;
  --accent-soft:   #8fe1ff;
  --accent-dim:    rgba(65,192,242,0.14);
  --text:          #eaf2fa;
  --text-muted:    #7c8fa6;
  --text-faint:    #4c5b70;
  --line:          rgba(65,192,242,0.14);
  --line-soft:     rgba(255,255,255,0.07);

  --font-display:  'Manrope', sans-serif;
  --font-serif:    'Cormorant Garamond', serif;
  --font-mono:     'Space Mono', monospace;

  --ease-out:      cubic-bezier(.16,1,.3,1);
  --ease-in-out:   cubic-bezier(.65,0,.35,1);
  --ease-spring:   cubic-bezier(.34,1.56,.64,1);

  --container:     1240px;
  --radius-sm:     10px;
  --radius-md:     18px;
  --radius-lg:     28px;
}

/* ===========================================================
   RESET
   =========================================================== */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-display);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  cursor:default;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font:inherit; background:none; border:none; color:inherit; cursor:pointer; }
input,textarea{ font:inherit; color:inherit; }

::selection{ background:var(--accent); color:var(--bg); }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ===========================================================
   BACKGROUND ATMOSPHERE
   =========================================================== */
body::before{
  content:'';
  position:fixed; inset:0;
  background:
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(65,192,242,0.10), transparent 60%),
    radial-gradient(ellipse 50% 35% at 10% 100%, rgba(65,192,242,0.06), transparent 60%);
  pointer-events:none;
  z-index:0;
}

.grain{
  position:fixed; inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.035;
  mix-blend-mode:overlay;
  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)'/%3E%3C/svg%3E");
}

/* ===========================================================
   TYPE SCALE
   =========================================================== */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-soft);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
}
.eyebrow__dot{
  width:6px; height:6px; border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px 2px var(--accent);
  flex-shrink:0;
}

.h2{
  font-size:clamp(2rem, 4.2vw, 3.2rem);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.15;
  color:var(--text);
}
.h2 em{
  font-family:var(--font-serif);
  font-style:italic;
  font-weight:400;
  color:var(--accent-soft);
}

/* ===========================================================
   LAYOUT HELPERS
   =========================================================== */
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{
  position:relative;
  padding:140px 0;
  z-index:2;
}
.section__head{
  max-width:640px;
  margin-bottom:72px;
}

/* ===========================================================
   PRELOADER
   =========================================================== */
.preloader{
  position:fixed; inset:0;
  background:var(--bg);
  z-index:9999;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:22px;
  transition:opacity .8s var(--ease-out), visibility .8s;
}
.preloader.is-done{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader__mark{
  font-family:var(--font-serif);
  font-style:italic;
  font-weight:300;
  font-size:46px;
  color:var(--accent-soft);
  letter-spacing:.04em;
}
.preloader__bar{
  width:160px; height:1px;
  background:var(--line-soft);
  position:relative; overflow:hidden;
}
.preloader__bar span{
  position:absolute; inset:0 100% 0 0;
  background:var(--accent);
  animation:loadbar 1.4s var(--ease-in-out) forwards;
}
@keyframes loadbar{ to{ right:0; } }

/* ===========================================================
   CUSTOM CURSOR
   =========================================================== */
.cursor,.cursor-dot{
  position:fixed; top:0; left:0;
  pointer-events:none;
  z-index:9998;
  border-radius:50%;
  transform:translate(-50%,-50%);
  will-change:transform;
}
.cursor{
  width:34px; height:34px;
  border:1px solid var(--accent);
  opacity:.7;
  transition:width .35s var(--ease-spring), height .35s var(--ease-spring), opacity .3s, background .3s;
}
.cursor-dot{
  width:5px; height:5px;
  background:var(--accent-soft);
}
.cursor.is-grow{
  width:64px; height:64px;
  background:var(--accent-dim);
  opacity:1;
}
@media (max-width:900px), (hover:none){
  .cursor,.cursor-dot{ display:none; }
}

/* ===========================================================
   NAVBAR
   =========================================================== */
.nav{
  position:fixed; top:0; left:0; right:0;
  z-index:1000;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 40px;
  backdrop-filter:blur(0px);
  transition:padding .4s var(--ease-out), background .4s var(--ease-out), border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  padding:14px 40px;
  background:rgba(6,10,18,0.72);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.nav__logo{
  font-family:var(--font-serif);
  font-style:italic;
  font-weight:300;
  font-size:24px;
  letter-spacing:.02em;
  color:var(--text);
}
.nav__logo span{ color:var(--accent); }

.nav__links{ display:flex; gap:40px; }
.nav__links a{
  font-size:14px;
  color:var(--text-muted);
  position:relative;
  transition:color .3s;
}
.nav__links a::after{
  content:'';
  position:absolute; left:0; bottom:-6px;
  width:0; height:1px;
  background:var(--accent);
  transition:width .35s var(--ease-out);
}
.nav__links a:hover{ color:var(--text); }
.nav__links a:hover::after{ width:100%; }

.nav__cta{
  font-size:13px;
  padding:11px 22px;
  border:1px solid var(--line);
  border-radius:100px;
  color:var(--text);
  transition:border-color .3s, background .3s, transform .3s var(--ease-spring);
}
.nav__cta:hover{
  border-color:var(--accent);
  background:var(--accent-dim);
  transform:translateY(-2px);
}

.nav__burger{
  display:none;
  flex-direction:column;
  gap:5px;
  width:26px;
  z-index:1100;
}
.nav__burger span{
  height:1px; width:100%;
  background:var(--text);
  transition:transform .3s var(--ease-out), opacity .3s;
}
.nav__burger.is-open span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2){ opacity:0; }
.nav__burger.is-open span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

.mobile-menu{
  position:fixed; inset:0;
  background:var(--bg);
  z-index:1050;
  display:flex; flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  gap:28px;
  padding:40px;
  transform:translateY(-100%);
  transition:transform .55s var(--ease-in-out);
}
.mobile-menu.is-open{ transform:translateY(0); }
.mobile-menu a{
  font-size:34px;
  font-weight:600;
  color:var(--text);
}
.mobile-menu__cta{ color:var(--accent-soft) !important; }

@media (max-width:900px){
  .nav__links{ display:none; }
  .nav__cta{ display:none; }
  .nav__burger{ display:flex; }
}

/* ===========================================================
   HERO
   =========================================================== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex; align-items:center;
  overflow:hidden;
  padding-top:80px;
}
.hero__canvas{
  position:absolute; inset:0;
  width:100%; height:100%;
  z-index:0;
}
.hero__vignette{
  position:absolute; inset:0;
  background:radial-gradient(ellipse 70% 60% at 50% 40%, transparent 40%, var(--bg) 95%);
  z-index:1;
  pointer-events:none;
}
.hero__inner{
  position:relative; z-index:2;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  width:100%;
}
.hero__eyebrow{ margin-bottom:28px; }

.hero__title{
  font-size:clamp(2.6rem, 7vw, 5.6rem);
  font-weight:700;
  line-height:1.06;
  letter-spacing:-.015em;
  margin-bottom:30px;
  max-width:920px;
}
.hero__title em{
  font-family:var(--font-serif);
  font-style:italic;
  font-weight:400;
  color:var(--accent);
}
.hero__title .line{ display:block; overflow:hidden; }

.hero__sub{
  font-size:clamp(1rem,1.4vw,1.18rem);
  color:var(--text-muted);
  max-width:520px;
  margin-bottom:46px;
}

.hero__actions{ display:flex; gap:18px; flex-wrap:wrap; }

.hero__scroll{
  position:absolute; bottom:42px; left:32px;
  z-index:2;
  display:flex; align-items:center; gap:14px;
  color:var(--text-faint);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.hero__scroll-line{
  width:1px; height:46px;
  background:var(--line-soft);
  position:relative; overflow:hidden;
}
.hero__scroll-line i{
  position:absolute; top:-100%; left:0; right:0; height:50%;
  background:var(--accent);
  animation:scrollline 2.4s var(--ease-in-out) infinite;
}
@keyframes scrollline{
  0%{ top:-50%; }
  60%{ top:100%; }
  100%{ top:100%; }
}

/* ===========================================================
   BUTTONS
   =========================================================== */
.btn{
  position:relative;
  display:inline-flex; align-items:center; justify-content:center;
  padding:17px 32px;
  border-radius:100px;
  font-size:14px; font-weight:600;
  letter-spacing:.01em;
  overflow:hidden;
  isolation:isolate;
  transition:transform .45s var(--ease-spring), border-color .35s;
}
.btn span{ position:relative; z-index:2; transition:color .4s var(--ease-out); }
.btn--primary{
  background:var(--accent);
  color:#04111a;
}
.btn--primary::before{
  content:'';
  position:absolute; inset:0;
  background:var(--accent-soft);
  transform:translateY(101%);
  transition:transform .45s var(--ease-in-out);
  z-index:1;
}
.btn--primary:hover::before{ transform:translateY(0); }
.btn--primary:hover{ transform:translateY(-3px); }

.btn--ghost{
  border:1px solid var(--line);
  color:var(--text);
}
.btn--ghost:hover{
  border-color:var(--accent);
  background:var(--accent-dim);
  transform:translateY(-3px);
}
.btn--wide{ width:100%; }

/* ===========================================================
   MARQUEE
   =========================================================== */
.marquee{
  position:relative;
  width:100%;
  overflow:hidden;
  padding:30px 0;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
  background:var(--surface);
}
.marquee--outline{ background:transparent; }
.marquee__track{
  display:flex;
  gap:56px;
  white-space:nowrap;
  width:max-content;
  animation:marquee 32s linear infinite;
}
.marquee__track--reverse{ animation-direction:reverse; animation-duration:36s; }
.marquee__track span{
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--text-faint);
  display:flex; align-items:center; gap:56px;
}
.marquee--accent .marquee__track span{ color:var(--text-muted); }
.marquee__track span::after{
  content:'◆';
  font-size:8px;
  color:var(--accent);
  margin-left:56px;
}
@keyframes marquee{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ===========================================================
   ABOUT
   =========================================================== */
.about__grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:90px;
  align-items:start;
}
.about__text{
  color:var(--text-muted);
  font-size:1.02rem;
  max-width:480px;
  margin-top:26px;
}
.about__principles{ display:flex; flex-direction:column; gap:36px; }
.principle{
  display:grid;
  grid-template-columns:50px 1fr;
  gap:20px;
  padding-bottom:30px;
  border-bottom:1px solid var(--line-soft);
}
.principle:last-child{ border-bottom:none; padding-bottom:0; }
.principle__index{
  font-family:var(--font-mono);
  color:var(--accent);
  font-size:13px;
  padding-top:4px;
}
.principle h3{ font-size:1.15rem; font-weight:600; margin-bottom:8px; }
.principle p{ color:var(--text-muted); font-size:.95rem; max-width:380px; }

/* ===========================================================
   SERVICES
   =========================================================== */
.services__grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.service-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:48px 40px;
  overflow:hidden;
  transition:border-color .4s, transform .1s linear;
  transform-style:preserve-3d;
  will-change:transform;
}
.service-card:hover{ border-color:var(--line); }
.service-card__glow{
  position:absolute; width:280px; height:280px;
  background:radial-gradient(circle, var(--accent-dim), transparent 70%);
  top:-100px; right:-100px;
  pointer-events:none;
  opacity:0; transition:opacity .5s;
}
.service-card:hover .service-card__glow{ opacity:1; }
.service-card__index{
  font-family:var(--font-mono);
  color:var(--text-faint);
  font-size:13px;
}
.service-card__icon{
  width:48px; height:48px;
  color:var(--accent-soft);
  margin:28px 0 26px;
}
.service-card h3{ font-size:1.5rem; font-weight:700; margin-bottom:14px; }
.service-card p{ color:var(--text-muted); margin-bottom:28px; max-width:420px; }
.service-card__list{ display:flex; flex-direction:column; gap:12px; }
.service-card__list li{
  font-size:.88rem;
  color:var(--text-muted);
  padding-left:18px;
  position:relative;
}
.service-card__list li::before{
  content:'';
  position:absolute; left:0; top:8px;
  width:8px; height:1px;
  background:var(--accent);
}

/* ===========================================================
   PROCESS
   =========================================================== */
.process__list{ display:flex; flex-direction:column; }
.process__row{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:32px;
  padding:38px 0;
  border-top:1px solid var(--line-soft);
  align-items:baseline;
  transition:padding-left .4s var(--ease-out);
}
.process__list .process__row:last-child{ border-bottom:1px solid var(--line-soft); }
.process__row:hover{ padding-left:14px; }
.process__num{
  font-family:var(--font-serif);
  font-style:italic;
  font-size:2.2rem;
  color:var(--accent-soft);
  opacity:.55;
}
.process__body h3{ font-size:1.4rem; font-weight:700; margin-bottom:8px; }
.process__body p{ color:var(--text-muted); max-width:520px; }

/* ===========================================================
   WORK
   =========================================================== */
.work__list{ display:flex; flex-direction:column; gap:28px; }
.work-card{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color .4s, transform .1s linear;
  transform-style:preserve-3d;
  will-change:transform;
}
.work-card:hover{ border-color:var(--line); }
.work-card__visual{
  position:relative;
  min-height:320px;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.work-card__visual--saams{ background:linear-gradient(135deg,#1c2f2c,#0d1420 60%,#2a2418); }
.work-card__visual--ash{ background:linear-gradient(135deg,#2c1c26,#0d1420 60%,#3a1f2c); }
.work-card__visual--pixel{ background:linear-gradient(135deg,#1a1632,#0d1420 60%,#241a3a); }
.work-card__chip{
  width:120px; height:120px;
  border-radius:24px;
  background:linear-gradient(160deg, var(--accent), transparent);
  opacity:.85;
  filter:blur(.3px);
  box-shadow:0 30px 60px -20px rgba(65,192,242,.45);
  transition:transform .6s var(--ease-spring);
}
.work-card:hover .work-card__chip{ transform:scale(1.08) rotate(6deg); }
.work-card__bars{
  position:absolute; bottom:28px; left:28px;
  display:flex; gap:6px; align-items:flex-end;
}
.work-card__bars span{
  width:7px; border-radius:3px;
  background:var(--accent-soft);
  opacity:.7;
}
.work-card__bars span:nth-child(1){ height:18px; }
.work-card__bars span:nth-child(2){ height:34px; }
.work-card__bars span:nth-child(3){ height:24px; }

.work-card__body{ padding:48px 44px; display:flex; flex-direction:column; justify-content:center; }
.work-card__tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--accent-soft);
  margin-bottom:16px;
}
.work-card__body h3{ font-size:1.8rem; font-weight:700; margin-bottom:16px; }
.work-card__body p{ color:var(--text-muted); margin-bottom:26px; }
.work-card__link{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.92rem; font-weight:600;
  color:var(--text);
  width:fit-content;
}
.work-card__link span{ transition:transform .35s var(--ease-spring); display:inline-block; }
.work-card__link:hover span{ transform:translate(3px,-3px); }

/* ===========================================================
   APPROACH
   =========================================================== */
.approach__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.approach-card{
  padding:36px 30px;
  border:1px solid var(--line-soft);
  border-radius:var(--radius-md);
  transition:border-color .4s, transform .4s var(--ease-spring);
}
.approach-card:hover{ border-color:var(--line); transform:translateY(-6px); }
.approach-card h3{ font-size:1.15rem; font-weight:700; margin-bottom:12px; }
.approach-card p{ color:var(--text-muted); font-size:.94rem; }

/* ===========================================================
   CONTACT
   =========================================================== */
.contact__inner{ max-width:760px; text-align:left; }
.contact__heading{
  font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:700;
  line-height:1.14;
  margin-bottom:24px;
}
.contact__heading em{
  font-family:var(--font-serif);
  font-style:italic;
  font-weight:400;
  color:var(--accent-soft);
}
.contact__sub{ color:var(--text-muted); max-width:480px; margin-bottom:48px; }

.contact__form{ display:flex; flex-direction:column; gap:22px; margin-bottom:56px; }
.form__row{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.form__field{ display:flex; flex-direction:column; gap:10px; }
.form__field label{
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--text-faint);
}
.form__field input,.form__field textarea{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line-soft);
  padding:12px 2px;
  font-size:1rem;
  color:var(--text);
  resize:none;
  transition:border-color .35s;
}
.form__field input::placeholder,.form__field textarea::placeholder{ color:var(--text-faint); }
.form__field input:focus,.form__field textarea:focus{
  outline:none;
  border-color:var(--accent);
}

.contact__alt{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:24px;
  padding-top:36px;
  border-top:1px solid var(--line-soft);
}
.contact__alt > a{ font-size:1.1rem; font-weight:600; color:var(--accent-soft); }
.contact__social{ display:flex; gap:28px; }
.contact__social a{ font-size:.9rem; color:var(--text-muted); transition:color .3s; }
.contact__social a:hover{ color:var(--text); }

/* ===========================================================
   FOOTER
   =========================================================== */
.footer{ position:relative; z-index:2; padding-top:80px; border-top:1px solid var(--line-soft); }
.footer__grid{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:30px;
  padding-bottom:46px;
}
.footer__logo{
  font-family:var(--font-serif);
  font-style:italic;
  font-size:28px;
  font-weight:300;
}
.footer__logo span{ color:var(--accent); }
.footer__brand p{ color:var(--text-faint); font-size:.85rem; margin-top:6px; }
.footer__links{ display:flex; gap:30px; }
.footer__links a{ font-size:.9rem; color:var(--text-muted); transition:color .3s; }
.footer__links a:hover{ color:var(--text); }
.footer__top{
  display:flex; align-items:center; gap:10px;
  font-size:.85rem; color:var(--text-muted);
  border:1px solid var(--line-soft);
  padding:10px 18px;
  border-radius:100px;
  transition:border-color .3s, color .3s;
}
.footer__top:hover{ border-color:var(--accent); color:var(--text); }
.footer__bottom{
  padding:26px 32px;
  border-top:1px solid var(--line-soft);
}
.footer__bottom p{ font-size:.8rem; color:var(--text-faint); }

/* ===========================================================
   FLOATING CONTACT BUTTON
   =========================================================== */
.float-btn{
  position:fixed; bottom:30px; right:30px;
  width:58px; height:58px;
  border-radius:50%;
  background:var(--accent);
  color:#04111a;
  display:flex; align-items:center; justify-content:center;
  z-index:500;
  box-shadow:0 12px 30px -8px rgba(65,192,242,.55);
  transition:transform .4s var(--ease-spring);
}
.float-btn:hover{ transform:scale(1.08) translateY(-2px); }
.float-btn svg{ width:24px; height:24px; }
.float-btn__pulse{
  position:absolute; inset:0;
  border-radius:50%;
  background:var(--accent);
  opacity:.6;
  animation:pulse 2.6s var(--ease-out) infinite;
}
@keyframes pulse{
  0%{ transform:scale(1); opacity:.55; }
  100%{ transform:scale(1.9); opacity:0; }
}

/* ===========================================================
   REVEAL ANIMATION BASE STATES (JS adds the actual motion)
   =========================================================== */
[data-reveal], [data-reveal-stagger]{
  opacity:0;
  transform:translateY(28px);
}

section[id]{ scroll-margin-top:100px; }

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width:1024px){
  .about__grid{ grid-template-columns:1fr; gap:60px; }
  .services__grid{ grid-template-columns:1fr; }
  .work-card{ grid-template-columns:1fr; }
  .work-card__visual{ min-height:240px; }
  .approach__grid{ grid-template-columns:1fr; }
}

@media (max-width:680px){
  .container{ padding:0 22px; }
  .section{ padding:96px 0; }
  .section__head{ margin-bottom:48px; }
  .nav{ padding:18px 22px; }
  .nav.is-scrolled{ padding:14px 22px; }
  .hero__inner{ padding:0 22px; }
  .hero__scroll{ display:none; }
  .form__row{ grid-template-columns:1fr; }
  .contact__alt{ flex-direction:column; align-items:flex-start; }
  .footer__grid{ flex-direction:column; align-items:flex-start; }
  .float-btn{ width:50px; height:50px; bottom:20px; right:20px; }
  .process__row{ grid-template-columns:60px 1fr; gap:18px; }
  .process__num{ font-size:1.6rem; }
}