/* ============================================================
   AHMED AL HASHLAN — PORTFOLIO
   ============================================================ */

/* ── THMANYAH LOCAL TYPEFACE ── */
@font-face{font-family:'Thmanyah Sans';src:url('../fonts/thmanyahsans-Light.woff2') format('woff2');font-weight:300;font-style:normal;font-display:swap;}
@font-face{font-family:'Thmanyah Sans';src:url('../fonts/thmanyahsans-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap;}
@font-face{font-family:'Thmanyah Sans';src:url('../fonts/thmanyahsans-Medium.woff2') format('woff2');font-weight:500 600;font-style:normal;font-display:swap;}
@font-face{font-family:'Thmanyah Sans';src:url('../fonts/thmanyahsans-Bold.woff2') format('woff2');font-weight:700 800;font-style:normal;font-display:swap;}
@font-face{font-family:'Thmanyah Sans';src:url('../fonts/thmanyahsans-Black.woff2') format('woff2');font-weight:900;font-style:normal;font-display:swap;}

/* ── DARK MODE (default) ── */
:root {
  --bg:          #060d18;
  --bg-2:        #0b1525;
  --bg-card:     #0f1e33;
  --border:      rgba(0,200,220,0.11);
  --border-2:    rgba(0,200,220,0.24);
  --accent:      #00c8dc;
  --accent-2:    #0080ff;
  --accent-glow: rgba(0,200,220,0.14);
  --text:        #dde8f4;
  --text-muted:  #6e91ae;
  --heading:     #ffffff;
  --font-head:   'Thmanyah Sans', 'Syne', sans-serif;
  --font-body:   'Thmanyah Sans', 'DM Sans', sans-serif;
  --font-ar:     'Thmanyah Sans', 'Tajawal', sans-serif;
  --radius:      16px;
  --radius-sm:   8px;
  --ease:        cubic-bezier(0.22,1,0.36,1);
  --t:           0.32s;
  --shadow:      0 4px 24px rgba(0,0,0,0.28);
  /* hover in dark = accent tint overlay */
  --hover-bg:    rgba(0,200,220,0.09);
}

/* ── LIGHT MODE ── */
[data-theme="light"] {
  --bg:          #eef2f7;
  --bg-2:        #e4eaf3;
  --bg-card:     #f8fafc;
  --border:      rgba(100,140,190,0.18);
  --border-2:    rgba(0,100,180,0.28);
  --accent:      #005fa3;
  --accent-2:    #0041cc;
  --accent-glow: rgba(0,95,163,0.10);
  --text:        #253550;
  --text-muted:  #5a7594;
  --heading:     #0d1f35;
  /* hover in light = dark navy overlay (mirrors dark mode feel) */
  --hover-bg:    rgba(13,31,53,0.07);
  --shadow:      0 4px 20px rgba(0,50,120,0.07);
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:15px;}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-weight:300;line-height:1.7;
  overflow-x:hidden;
  transition:background .4s,color .4s;
}
[dir="rtl"]{font-family:var(--font-ar),sans-serif;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;}

/* ── CONTAINER ── */
.container{max-width:1140px;margin:0 auto;padding:0 24px;}

/* ── SECTION ── */
.section{padding:96px 0;}
.section__header{margin-bottom:52px;}
.section__tag{
  display:inline-block;font-size:10px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent);margin-bottom:12px;
}
.section__title{
  font-family:var(--font-head);
  font-size:clamp(1.55rem,3.2vw,2.3rem);
  font-weight:800;color:var(--heading);line-height:1.15;
}
.section__sub{margin-top:10px;color:var(--text-muted);font-size:.92rem;}

/* ── BUTTONS ── */
.btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:11px 26px;border-radius:50px;
  font-family:var(--font-head);font-weight:600;font-size:.82rem;
  letter-spacing:.04em;transition:var(--t) var(--ease);cursor:pointer;border:none;
}
.btn--primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,128,220,.28);}
.btn--ghost{background:transparent;color:var(--accent);border:1.5px solid var(--border-2);}
.btn--ghost:hover{background:var(--hover-bg);border-color:var(--accent);}
.btn--sm{padding:8px 20px;font-size:.78rem;}

/* ── CONTROLS (theme + lang) ── */
.controls{display:flex;gap:8px;align-items:center;}
.ctrl-btn{
  width:34px;height:34px;border-radius:50%;
  background:var(--bg-card);border:1px solid var(--border);
  color:var(--text-muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:.78rem;font-weight:700;font-family:var(--font-head);
  transition:border-color .2s,color .2s,background .2s;
}
.ctrl-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--hover-bg);}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0;transition:background .4s,padding .4s;
}
.nav.scrolled{
  background:rgba(6,13,24,.9);backdrop-filter:blur(20px);
  padding:10px 0;border-bottom:1px solid var(--border);
}
[data-theme="light"] .nav.scrolled{background:rgba(238,242,247,.92);}
.nav__inner{
  max-width:1140px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:28px;
}
/* LTR: logo | links | controls | burger */
/* RTL: controls | links | logo  (via flex-direction on nav__inner) */
[dir="rtl"] .nav__inner{flex-direction:row-reverse;}

.nav__logo-img{height:36px;width:auto;}
.nav__links{display:flex;align-items:center;gap:26px;margin:0 auto;}
.nav__links a{
  font-family:var(--font-head);font-size:.8rem;font-weight:600;
  letter-spacing:.05em;color:var(--text-muted);transition:color .2s;
}
.nav__links a:hover{color:var(--accent);}
.nav__cta{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff !important;padding:7px 18px;border-radius:50px;
}
.nav__burger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;flex-shrink:0;
}
.nav__burger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--t);}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  position:relative;overflow:hidden;padding:120px 24px 72px;
}
.hero__bg{position:absolute;inset:0;pointer-events:none;}
.hero__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,200,220,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,200,220,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 50%,black 20%,transparent 80%);
}
[data-theme="light"] .hero__grid{
  background-image:
    linear-gradient(rgba(0,95,163,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,95,163,.05) 1px,transparent 1px);
}
.hero__orb{position:absolute;border-radius:50%;filter:blur(80px);animation:orbFloat 8s ease-in-out infinite;}
.hero__orb--1{width:440px;height:440px;background:radial-gradient(circle,rgba(0,200,220,.11),transparent 70%);top:-100px;left:-100px;}
.hero__orb--2{width:360px;height:360px;background:radial-gradient(circle,rgba(0,128,255,.09),transparent 70%);bottom:-80px;right:-80px;animation-delay:-3s;}
.hero__orb--3{width:260px;height:260px;background:radial-gradient(circle,rgba(0,200,220,.06),transparent 70%);top:50%;left:60%;animation-delay:-5s;}
@keyframes orbFloat{0%,100%{transform:translate(0,0);}33%{transform:translate(24px,-16px);}66%{transform:translate(-16px,24px);}}

.hero__content{display:flex;flex-direction:column;align-items:center;gap:22px;text-align:center;position:relative;z-index:1;}
.hero__logo-wrap{width:128px;height:128px;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;}
.hero__logo-wrap::before{content:'';position:absolute;inset:-2px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2),transparent,var(--accent));animation:spin 6s linear infinite;}
.hero__logo-wrap::after{content:'';position:absolute;inset:0;border-radius:50%;background:var(--bg);}
@keyframes spin{to{transform:rotate(360deg);}}
.hero__logo{width:112px;height:112px;border-radius:50%;object-fit:contain;position:relative;z-index:1;background:var(--bg-2);padding:7px;}

.hero__text{display:flex;flex-direction:column;align-items:center;text-align:center;}
.hero__eyebrow{display:flex;align-items:center;justify-content:center;gap:7px;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--text-muted);margin-bottom:22px;}
.hero__dot{width:6px;height:6px;border-radius:50%;background:#00e87a;box-shadow:0 0 8px #00e87a;animation:pulse 2s ease-in-out infinite;flex-shrink:0;}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 8px #00e87a;}50%{opacity:.5;box-shadow:0 0 3px #00e87a;}}

.hero__name{font-family:var(--font-head);font-size:clamp(2.1rem,5.5vw,4.2rem);font-weight:800;line-height:1.05;color:var(--heading);}
.hero__name-line{display:block;}
.hero__name-line--accent{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero__roles{font-family:var(--font-head);font-size:clamp(.85rem,1.8vw,1.05rem);font-weight:600;color:var(--accent);letter-spacing:.06em;min-height:1.8em;margin-top:16px;}
.hero__tagline{max-width:460px;color:var(--text-muted);font-size:.88rem;line-height:1.85;margin-top:10px;}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:20px;}

.hero__stats{
  display:flex;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;position:relative;z-index:1;
  margin-top:24px;width:100%;max-width:620px;box-shadow:var(--shadow);
}
.stat{flex:1;padding:20px 14px;text-align:center;border-right:1px solid var(--border);}
.stat:last-child{border-right:none;}
.stat__num{display:block;font-family:var(--font-head);font-size:1.75rem;font-weight:800;color:var(--accent);line-height:1;}
.stat__label{display:block;font-size:.62rem;letter-spacing:.07em;text-transform:uppercase;color:var(--text-muted);margin-top:5px;}

.hero__scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:7px;color:var(--text-muted);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;}
.hero__scroll-line{width:1px;height:38px;background:linear-gradient(to bottom,var(--accent),transparent);animation:scrollLine 1.8s ease-in-out infinite;}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}51%{transform:scaleY(1);transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

/* ============================================================
   ABOUT
   ============================================================ */
.about{background:var(--bg-2);}
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
.about__lead{font-size:1rem;font-weight:400;color:var(--heading);line-height:1.72;margin-bottom:16px;}
.about__bio p{color:var(--text-muted);margin-bottom:14px;font-size:.87rem;}
.about__cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.info-card{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:14px;
  transition:border-color .3s,background .3s;box-shadow:var(--shadow);
}
.info-card:hover{border-color:var(--border-2);background:var(--hover-bg);}
.info-card__icon{font-size:1.1rem;flex-shrink:0;}
.info-card__label{display:block;font-size:.6rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);margin-bottom:2px;}
.info-card__val{display:block;font-size:.8rem;color:var(--text);}

/* ============================================================
   TIMELINE
   ============================================================ */
.journey{background:var(--bg);}
.timeline{position:relative;max-width:840px;margin:0 auto;}
.timeline::before{
  content:'';position:absolute;left:50%;top:0;bottom:0;width:1px;
  background:linear-gradient(to bottom,transparent,var(--border-2) 10%,var(--border-2) 90%,transparent);
  transform:translateX(-50%);
}
[dir="rtl"] .timeline::before{left:auto;right:50%;transform:translateX(50%);}
.timeline__item{display:flex;width:50%;padding-bottom:44px;position:relative;}
.timeline__item[data-side="left"]{justify-content:flex-end;padding-right:46px;}
.timeline__item[data-side="right"]{justify-content:flex-start;padding-left:46px;margin-left:50%;}
[dir="rtl"] .timeline__item[data-side="left"]{justify-content:flex-start;padding-right:0;padding-left:46px;}
[dir="rtl"] .timeline__item[data-side="right"]{justify-content:flex-end;padding-left:0;padding-right:46px;margin-left:0;margin-right:50%;}
.timeline__dot{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--bg-2);border:2px solid var(--accent);top:18px;}
.timeline__item[data-side="left"]  .timeline__dot{right:-6px;}
.timeline__item[data-side="right"] .timeline__dot{left:-6px;}
[dir="rtl"] .timeline__item[data-side="left"]  .timeline__dot{right:auto;left:-6px;}
[dir="rtl"] .timeline__item[data-side="right"] .timeline__dot{left:auto;right:-6px;}
.timeline__dot--active{background:var(--accent);box-shadow:0 0 14px var(--accent);}
.timeline__card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;max-width:330px;
  transition:border-color .3s,transform .3s,background .3s;box-shadow:var(--shadow);
}
.timeline__card:hover{border-color:var(--border-2);transform:translateY(-2px);background:var(--hover-bg);}
.timeline__card--active{border-color:rgba(0,200,220,.26);}
.timeline__year{display:block;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:5px;}
.timeline__role{font-family:var(--font-head);font-size:.97rem;font-weight:700;color:var(--heading);margin-bottom:3px;}
.timeline__org{display:block;font-size:.76rem;color:var(--text-muted);margin-bottom:9px;}
.timeline__card p{font-size:.81rem;color:var(--text-muted);}
.timeline__badge{display:inline-flex;align-items:center;gap:5px;font-size:.63rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);background:var(--accent-glow);border:1px solid rgba(0,200,220,.2);border-radius:50px;padding:3px 10px;margin-bottom:6px;}
.timeline__badge::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite;}

/* ============================================================
   SKILLS
   ============================================================ */
.skills{background:var(--bg-2);}
.skills__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:44px;}
.skill-group{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.skill-group__header{margin-bottom:14px;}
.skill-group__level{font-family:var(--font-head);font-size:.67rem;font-weight:700;text-transform:uppercase;letter-spacing:.15em;padding:4px 12px;border-radius:50px;}
.skill-group__level--advanced{color:var(--accent);background:var(--accent-glow);border:1px solid rgba(0,200,220,.2);}
.skill-group__level--intermediate{color:#5bc8ff;background:rgba(91,200,255,.1);border:1px solid rgba(91,200,255,.2);}
.skill-group__level--basic{color:var(--text-muted);background:rgba(110,145,174,.1);border:1px solid rgba(110,145,174,.2);}
.skill-tags{display:flex;flex-wrap:wrap;gap:7px;}
.skill-tag{font-size:.72rem;padding:4px 11px;border-radius:50px;font-weight:500;transition:transform .2s;cursor:default;}
.skill-tag:hover{transform:scale(1.06);}
.skill-tag--advanced    {background:rgba(0,200,220,.07);color:#a0ecf4;border:1px solid rgba(0,200,220,.13);}
.skill-tag--intermediate{background:rgba(91,200,255,.07);color:#9dd5f5;border:1px solid rgba(91,200,255,.13);}
.skill-tag--basic       {background:rgba(110,145,174,.07);color:var(--text-muted);border:1px solid rgba(110,145,174,.13);}
[data-theme="light"] .skill-tag--advanced    {color:#005fa3;}
[data-theme="light"] .skill-tag--intermediate{color:#0066aa;}
[data-theme="light"] .skill-tag--basic       {color:#5a7594;}

.core-competencies__title{font-family:var(--font-head);font-size:.97rem;font-weight:700;color:var(--heading);margin-bottom:14px;}
.competency-list{display:flex;flex-wrap:wrap;gap:8px;}
.competency{
  font-size:.78rem;padding:7px 15px;border-radius:50px;
  background:var(--bg-card);border:1px solid var(--border);color:var(--text);
  transition:border-color .3s,color .3s,background .3s;box-shadow:var(--shadow);
}
.competency:hover{border-color:var(--accent);color:var(--accent);background:var(--hover-bg);}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects{background:var(--bg);}
.projects__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.project-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .3s,transform .32s,background .3s;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
}
.project-card:hover{border-color:var(--border-2);transform:translateY(-5px);background:var(--hover-bg);box-shadow:0 18px 48px rgba(0,120,200,.1);}
.project-card--wip{border-style:dashed;}
.project-card__num{font-family:var(--font-head);font-size:2.8rem;font-weight:800;line-height:1;color:rgba(0,200,220,.06);padding:16px 18px 0;}
.project-card__body{padding:5px 18px 22px;flex:1;}
.project-card__title{font-family:var(--font-head);font-size:.98rem;font-weight:700;color:var(--heading);margin-bottom:3px;}
.project-card__year{font-size:.65rem;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;margin-bottom:9px;display:block;}
.project-card__desc{font-size:.81rem;color:var(--text-muted);margin-bottom:13px;}
.project-card__role{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:9px;}
.role-badge{font-size:.65rem;padding:3px 9px;border-radius:4px;background:var(--accent-glow);color:var(--accent);border:1px solid rgba(0,200,220,.14);}
.project-card__tech{display:flex;flex-wrap:wrap;gap:5px;}
.tech-badge{font-size:.65rem;padding:3px 9px;border-radius:4px;background:rgba(110,145,174,.08);color:var(--text-muted);border:1px solid rgba(110,145,174,.14);}
.wip-badge{display:inline-flex;align-items:center;gap:6px;font-size:.65rem;color:#e09a30;border:1px solid rgba(224,154,48,.2);background:rgba(224,154,48,.08);border-radius:50px;padding:3px 11px;margin-bottom:9px;}
.wip-dot{width:5px;height:5px;border-radius:50%;background:#e09a30;animation:pulse 1.8s ease-in-out infinite;}

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certs{background:var(--bg-2);}
.certs__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px;}
.cert-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .3s,transform .32s,background .3s;box-shadow:var(--shadow);}
.cert-card:hover{border-color:var(--border-2);transform:translateY(-3px);background:var(--hover-bg);}
.cert-card__img-wrap{height:135px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;}
.cert-card__img{width:100%;height:100%;object-fit:cover;}
.cert-card__img-wrap--placeholder .cert-card__img{display:none;}
.cert-card__placeholder-icon{font-size:2.4rem;position:absolute;}
.cert-card__img-wrap:not(.cert-card__img-wrap--placeholder) .cert-card__placeholder-icon{display:none;}
.cert-card__body{padding:16px;}
.cert-card__title{font-family:var(--font-head);font-size:.86rem;font-weight:700;color:var(--heading);margin-bottom:4px;}
.cert-card__issuer{display:block;font-size:.71rem;color:var(--accent);margin-bottom:3px;}
.cert-card__date,.cert-card__id{display:block;font-size:.69rem;color:var(--text-muted);}

.cyber-block{
  display:flex;gap:20px;align-items:flex-start;
  background:linear-gradient(135deg,rgba(0,200,220,.055),rgba(0,128,255,.035));
  border:1px solid rgba(0,200,220,.16);border-radius:var(--radius);padding:26px;
}
.cyber-block__icon{font-size:1.9rem;flex-shrink:0;}
.cyber-block__content h3{font-family:var(--font-head);font-size:1rem;font-weight:700;color:var(--heading);margin-bottom:7px;}
.cyber-block__content p{font-size:.83rem;color:var(--text-muted);}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{background:var(--bg);}
.contact__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;}
.contact-card{
  display:flex;flex-direction:column;gap:5px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px 18px;
  transition:border-color .3s,transform .3s,background .3s;
  position:relative;box-shadow:var(--shadow);
}
.contact-card:hover{border-color:var(--border-2);transform:translateY(-3px);background:var(--hover-bg);}
.contact-card__icon{font-size:1.6rem;}
.contact-card__label{font-size:.63rem;text-transform:uppercase;letter-spacing:.15em;color:var(--text-muted);margin-top:3px;}
.contact-card__val{font-size:.81rem;color:var(--text);}
.contact-card__arrow{position:absolute;top:18px;right:18px;font-size:.95rem;color:var(--accent);transition:transform .2s;}
[dir="rtl"] .contact-card__arrow{right:auto;left:18px;}
.contact-card:hover .contact-card__arrow{transform:translate(3px,-3px);}
[dir="rtl"] .contact-card:hover .contact-card__arrow{transform:translate(-3px,-3px);}
.contact-card--download{border-style:dashed;}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--bg-2);border-top:1px solid var(--border);padding:38px 24px;}
.footer__inner{max-width:1140px;margin:0 auto;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.footer__logo{height:36px;width:auto;}
.footer__name{font-family:var(--font-head);font-size:.9rem;font-weight:700;color:var(--heading);}
.footer__sub{font-size:.71rem;color:var(--text-muted);}
.footer__copy{margin-left:auto;font-size:.71rem;color:var(--text-muted);}
[dir="rtl"] .footer__copy{margin-left:0;margin-right:auto;}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translate3d(0,64px,0);transition:opacity .82s var(--ease),transform .82s var(--ease);will-change:opacity,transform;}
.reveal.visible{opacity:1;transform:none;}
.reveal-delay-1{transition-delay:.08s;}
.reveal-delay-2{transition-delay:.16s;}
.reveal-delay-3{transition-delay:.24s;}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.nav__mobile-menu{
  display:none;position:fixed;top:62px;left:0;right:0;
  background:rgba(6,13,24,.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:18px 24px;flex-direction:column;gap:14px;z-index:99;
}
[data-theme="light"] .nav__mobile-menu{background:rgba(238,242,247,.97);}
.nav__mobile-menu.open{display:flex;}
.nav__mobile-menu a{font-family:var(--font-head);font-size:.97rem;font-weight:600;color:var(--text);padding:6px 0;border-bottom:1px solid var(--border);}
.nav__mobile-menu a:hover{color:var(--accent);}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  .about__grid{grid-template-columns:1fr;gap:40px;}
  .about__cards{grid-template-columns:repeat(3,1fr);}
  .skills__grid{grid-template-columns:1fr;}
  .projects__grid{grid-template-columns:repeat(2,1fr);}
  .certs__grid{grid-template-columns:repeat(2,1fr);}
  .contact__grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .nav__links{display:none;}
  .nav__burger{display:flex;}
  .section{padding:72px 0;}
  /* Timeline → single column */
  .timeline::before{left:18px;}
  [dir="rtl"] .timeline::before{left:auto;right:18px;transform:none;}
  .timeline__item,.timeline__item[data-side="left"],.timeline__item[data-side="right"]{
    width:100%;padding-left:54px;padding-right:0;margin-left:0;margin-right:0;justify-content:flex-start;
  }
  [dir="rtl"] .timeline__item,[dir="rtl"] .timeline__item[data-side="left"],[dir="rtl"] .timeline__item[data-side="right"]{
    padding-left:0;padding-right:54px;justify-content:flex-end;
  }
  .timeline__item .timeline__dot{left:12px !important;right:auto !important;}
  [dir="rtl"] .timeline__item .timeline__dot{right:12px !important;left:auto !important;}
  .timeline__card{max-width:100%;}
  .hero__stats{flex-wrap:wrap;}
  .stat{min-width:50%;border-right:none;border-bottom:1px solid var(--border);}
  .about__cards{grid-template-columns:1fr 1fr;}
  .projects__grid{grid-template-columns:1fr;}
  .certs__grid{grid-template-columns:1fr;}
  .contact__grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:480px){
  .about__cards{grid-template-columns:1fr;}
  .hero__actions{flex-direction:column;align-items:center;}
  .contact__grid{grid-template-columns:1fr;}
  .cyber-block{flex-direction:column;}
}