/* ===== Shahin Shabab — Portfolio, light theme ===== */

:root{
  --bg: oklch(0.985 0.004 255);
  --bg-1: oklch(0.975 0.006 255);
  --bg-2: oklch(0.955 0.008 255);
  --border: oklch(0.62 0.02 255 / 0.30);
  --border-soft: oklch(0.62 0.02 255 / 0.15);
  --text: oklch(0.22 0.02 255);
  --text-muted: oklch(0.44 0.018 255);
  --text-dim: oklch(0.60 0.016 255);
  --accent: oklch(0.55 0.135 190);
  --accent-2: oklch(0.50 0.135 255);
  --accent-soft: oklch(0.55 0.135 190 / 0.10);
  --on-accent: oklch(0.99 0 0);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Public Sans", system-ui, sans-serif;}
h1,h2,h3,h4{font-family:"Manrope", system-ui, sans-serif;margin:0;letter-spacing:-0.02em;}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent-2);}
ul{list-style:none;margin:0;padding:0;}

.container{max-width:1200px;margin:0 auto;padding:0 40px;}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:"Manrope",sans-serif;font-weight:700;font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);position:relative;flex-shrink:0;}
.eyebrow-dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--accent);opacity:0.45;animation:pulseDot 2s ease-in-out infinite;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:"Manrope",sans-serif;font-weight:600;font-size:15px;padding:14px 26px;border-radius:10px;cursor:pointer;white-space:nowrap;transition:transform .2s ease, box-shadow .2s ease;border:none;}
.btn:hover{transform:translateY(-2px);color:inherit;}
.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:var(--on-accent);border:1px solid transparent;}
.btn-primary:hover{box-shadow:0 14px 26px -10px oklch(0.55 0.135 190 / 0.45);color:var(--on-accent);}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border);}
.btn-outline:hover{color:var(--text);}

.icon-box{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .25s ease, color .25s ease, transform .25s ease;}
.card{background:var(--bg-1);border:1px solid var(--border-soft);border-radius:16px;box-shadow:0 1px 2px oklch(0.22 0.02 255 / 0.04);transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;}
.card.lift:hover{transform:translateY(-6px);box-shadow:0 22px 40px -16px oklch(0.22 0.02 255 / 0.18);border-color:var(--accent-soft);}
.card.lift:hover .icon-box{background:var(--accent);color:var(--on-accent);transform:scale(1.08) rotate(-4deg);}

.pill{display:inline-flex;align-items:center;font-family:"Manrope",sans-serif;font-size:12px;font-weight:600;color:var(--text-muted);background:var(--bg-2);border:1px solid var(--border-soft);border-radius:999px;padding:6px 13px;transition:border-color .2s ease, color .2s ease;}
.pill-accent{color:var(--accent);border-color:var(--accent-soft);}

.social-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-family:"Manrope",sans-serif;font-weight:700;font-size:13px;transition:transform .2s ease, background .2s ease, color .2s ease;flex-shrink:0;}
.social-btn:hover{transform:translateY(-3px);background:var(--accent);color:var(--on-accent);border-color:transparent;}

.section-head{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;margin:0 auto 56px auto;max-width:560px;}
.section-head h2{font-size:34px;font-weight:800;}
.section{padding-top:110px;padding-bottom:110px;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);}

/* ===== Nav ===== */
.site-header{position:relative;z-index:20;border-bottom:1px solid var(--border-soft);background:var(--bg);}
.nav{display:flex;align-items:center;justify-content:space-between;height:88px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg, var(--accent), var(--accent-2));display:flex;align-items:center;justify-content:center;font-family:'Manrope',sans-serif;font-weight:800;font-size:14px;color:var(--on-accent);flex-shrink:0;}
.brand-name{font-family:'Manrope',sans-serif;font-weight:700;font-size:16px;}
.nav-links{display:flex;align-items:center;gap:36px;font-family:'Manrope',sans-serif;font-weight:600;font-size:14px;}
.nav-link{position:relative;color:var(--text-muted);padding-bottom:4px;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg, var(--accent), var(--accent-2));transition:width .25s ease;}
.nav-link:hover::after{width:100%;}
.nav-link:hover{color:var(--text);}
.nav-cta{padding:10px 20px;font-size:13px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);background:transparent;align-items:center;justify-content:center;color:var(--text);cursor:pointer;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;}
.blob{position:absolute;border-radius:50%;filter:blur(2px);animation:blobMove 9s ease-in-out infinite;pointer-events:none;}
.blob-1{top:-200px;right:-140px;width:560px;height:560px;background:radial-gradient(circle, var(--accent-soft), transparent 70%);}
.blob-2{top:120px;left:-160px;width:360px;height:360px;background:radial-gradient(circle, oklch(0.50 0.135 255 / 0.08), transparent 70%);animation-name:blobMove2;animation-duration:11s;}

.hero-grid{position:relative;display:grid;grid-template-columns:1fr 0.9fr;gap:64px;align-items:center;padding-top:88px;padding-bottom:70px;}
.hero-title{font-size:60px;font-weight:800;line-height:1.05;margin-top:20px;}
.hero-lede{margin-top:22px;font-size:17px;line-height:1.7;color:var(--text-muted);max-width:480px;}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-social{display:flex;gap:12px;margin-top:36px;}

.hero-photo-wrap{position:relative;padding:0 10px 40px 0;}
.hero-photo-dots{position:absolute;top:-24px;left:-24px;width:100%;height:100%;background-image:radial-gradient(var(--border) 1px, transparent 1px);background-size:20px 20px;opacity:0.6;border-radius:24px;}
.hero-photo-card{position:relative;padding:14px;overflow:visible;}
.hero-photo-frame{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:3/3.5;}
.hero-photo-frame img{width:100%;height:100%;object-fit:cover;object-position:top center;}
.hero-photo-shade{position:absolute;inset:0;background:linear-gradient(180deg, oklch(0.55 0.135 190 / 0.08), transparent 30%, oklch(0.20 0.02 255 / 0.45) 100%);}
.hero-photo-badge{position:absolute;top:16px;left:16px;background:oklch(0.99 0 0 / 0.92);border-color:transparent;backdrop-filter:blur(4px);}

.float-stats{position:absolute;left:-30px;bottom:-30px;padding:16px 20px;display:flex;gap:18px;box-shadow:0 22px 40px -12px oklch(0.22 0.02 255 / 0.22);animation:floatY 4.5s ease-in-out infinite;}
.float-stats-divider{width:1px;background:var(--border-soft);}
.float-stat-label{font-size:10.5px;color:var(--text-dim);}
.float-stat-value{font-family:'Manrope',sans-serif;font-weight:700;font-size:19px;margin-top:2px;}

.scroll-cue-wrap{position:relative;display:flex;justify-content:center;padding-bottom:26px;}
.scroll-cue{animation:bounceArrow 2s ease-in-out infinite;}

/* ===== Stats band ===== */
.stats-band{padding:40px 0;display:grid;grid-template-columns:repeat(3, 1fr);}
.stat{text-align:center;border-right:1px solid var(--border-soft);}
.stat:last-child{border-right:none;}
.stat-num{display:inline-block;animation:countPulse 3s ease-in-out infinite;font-family:'Manrope',sans-serif;font-weight:800;font-size:30px;background:linear-gradient(135deg, var(--accent), var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-label{font-size:12.5px;color:var(--text-muted);margin-top:6px;}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.about-title{font-size:34px;font-weight:800;margin-top:16px;line-height:1.2;}
.about-lede{margin-top:20px;font-size:16px;line-height:1.75;color:var(--text-muted);}
.about-tags{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}

.skills-card{padding:32px;display:flex;flex-direction:column;gap:22px;}
.skill-header{display:flex;justify-content:space-between;font-family:'Manrope',sans-serif;font-weight:600;font-size:14px;}
.skill-note{color:var(--text-dim);font-weight:500;}
.skill-pct{color:var(--accent);}
.bar-track{height:6px;border-radius:999px;background:var(--bg-2);margin-top:10px;position:relative;overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg, var(--accent), var(--accent-2));position:relative;overflow:hidden;}
.bar-fill::after{content:"";position:absolute;top:0;left:0;width:40%;height:100%;background:linear-gradient(90deg, transparent, oklch(1 0 0 / 0.55), transparent);animation:shimmerBar 2.4s ease-in-out infinite;}

/* ===== Tools marquee ===== */
.tools-section{padding:64px 0;}
.marquee-mask{-webkit-mask-image:linear-gradient(90deg, transparent, black 8%, black 92%, transparent);mask-image:linear-gradient(90deg, transparent, black 8%, black 92%, transparent);overflow:hidden;}
.marquee-track{display:flex;gap:14px;width:max-content;animation:marqueeScroll 30s linear infinite;padding:2px 0;}
.marquee-track-rev{animation:marqueeScrollRev 34s linear infinite;}
.marquee-row + .marquee-row{margin-top:14px;}

/* ===== Process ===== */
.process-grid{position:relative;display:grid;grid-template-columns:repeat(4, 1fr);gap:24px;}
.step-line{position:absolute;top:22px;left:60px;right:60px;height:1px;background:repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 14px);}
.step{text-align:center;position:relative;}
.step .icon-box{margin:0 auto;background:var(--accent);color:var(--on-accent);position:relative;z-index:1;}
.step h4{font-size:15.5px;font-weight:700;margin-top:16px;}
.step p{margin-top:8px;font-size:13.5px;line-height:1.6;color:var(--text-muted);}

/* ===== Services ===== */
.services-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:24px;}
.service-card{padding:28px;}
.service-card h4{font-size:17px;font-weight:700;margin-top:18px;}
.service-card p{margin-top:10px;font-size:14px;line-height:1.65;color:var(--text-muted);}

/* ===== Projects ===== */
.projects-lede{font-size:14px;color:var(--text-muted);}
.projects-lede a{font-weight:600;}
.projects-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:24px;}
.project-card{overflow:hidden;display:flex;flex-direction:column;}
.project-thumb{height:110px;background-image:radial-gradient(var(--border) 1px, transparent 1px);background-size:16px 16px;background-color:var(--bg-2);padding:16px;}
.project-thumb.center{display:flex;align-items:center;justify-content:center;}
.project-thumb.bottom{display:flex;align-items:flex-end;}
.project-thumb.plain{background-image:none;}
.project-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.project-body h4{font-size:16px;font-weight:700;}
.project-body p{margin-top:10px;font-size:13.5px;line-height:1.6;color:var(--text-muted);flex:1;}
.project-tags{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap;}
.project-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:'Manrope',sans-serif;font-weight:600;font-size:13px;}
.stat-figure{font-family:'Manrope',sans-serif;font-weight:800;font-size:34px;background:linear-gradient(135deg, var(--accent), var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center;}
.stat-figure span{display:block;font-family:'Public Sans',sans-serif;font-weight:500;font-size:11.5px;color:var(--text-muted);-webkit-text-fill-color:var(--text-muted);margin-top:4px;}

/* ===== Journey timeline ===== */
.timeline{position:relative;max-width:820px;margin:0 auto;}
.timeline-rail{position:absolute;left:21px;top:8px;bottom:8px;width:1px;background:var(--border);}
.timeline-item{display:flex;gap:24px;position:relative;}
.timeline-item .icon-box{position:relative;z-index:1;background:var(--bg);border:1px solid var(--border);}
.timeline-card{flex:1;padding:24px;margin-bottom:24px;}
.timeline-card h4{font-size:17px;font-weight:700;margin-top:12px;}
.timeline-meta{margin-top:6px;font-size:13.5px;color:var(--text-muted);}
.timeline-meta strong{color:var(--text);}
.timeline-desc{margin-top:12px;font-size:14px;line-height:1.65;color:var(--text-muted);}

/* ===== Certifications ===== */
.certs-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:24px;}
.cert-card{padding:28px;}
.cert-card-head{display:flex;align-items:flex-start;justify-content:space-between;}
.cert-card h4{font-size:16px;font-weight:700;margin-top:16px;}
.cert-issued{margin-top:8px;font-size:12.5px;color:var(--text-muted);}
.cert-id{margin-top:10px;font-size:11px;color:var(--text-dim);font-family:monospace;}
.cert-desc{margin-top:10px;font-size:12.5px;line-height:1.6;color:var(--text-dim);}
.certs-footnote{text-align:center;margin-top:32px;font-size:13.5px;color:var(--text-muted);}
.certs-footnote a{font-weight:600;}

/* ===== Contact ===== */
.contact-card{position:relative;padding:56px;border-top:2px solid transparent;background-image:linear-gradient(var(--bg-1), var(--bg-1)), linear-gradient(90deg, var(--accent), var(--accent-2));background-origin:border-box;background-clip:padding-box, border-box;display:flex;justify-content:space-between;align-items:center;gap:40px;}
.contact-title{font-size:30px;font-weight:800;}
.contact-lede{margin-top:14px;font-size:15px;line-height:1.7;color:var(--text-muted);max-width:440px;}
.contact-details{display:flex;flex-direction:column;gap:10px;margin-top:22px;font-size:14px;color:var(--text-muted);}
.contact-details li{display:flex;align-items:center;gap:10px;}
.contact-details svg{color:var(--accent);flex-shrink:0;}
.contact-details a{color:var(--text-muted);}
.contact-actions{display:flex;flex-direction:column;gap:12px;flex-shrink:0;}
.contact-actions .btn{justify-content:center;}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--border-soft);}
.footer-inner{padding-top:48px;padding-bottom:48px;display:flex;flex-direction:column;align-items:center;gap:20px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-social{display:flex;gap:12px;}
.footer-links{display:flex;gap:28px;flex-wrap:wrap;justify-content:center;font-family:'Manrope',sans-serif;font-weight:600;font-size:13px;color:var(--text-muted);}
.footer-links a{color:var(--text-muted);}
.footer-copy{font-size:12.5px;color:var(--text-dim);text-align:center;}

/* ===== Animations ===== */
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:0.45;}50%{transform:scale(2.2);opacity:0;}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
@keyframes blobMove{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(24px,-18px) scale(1.06);}}
@keyframes blobMove2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-20px,16px) scale(1.08);}}
@keyframes marqueeScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@keyframes marqueeScrollRev{from{transform:translateX(-50%);}to{transform:translateX(0);}}
@keyframes shimmerBar{0%{transform:translateX(-100%);}100%{transform:translateX(220%);}}
@keyframes bounceArrow{0%,100%{transform:translateY(0);opacity:0.5;}50%{transform:translateY(8px);opacity:1;}}
@keyframes countPulse{0%,100%{transform:scale(1);}50%{transform:scale(1.04);}}

.reveal{animation:fadeUp .8s cubic-bezier(.2,.7,.2,1) both;}
.reveal-1{animation-delay:.05s;}
.reveal-2{animation-delay:.1s;}
.reveal-3{animation-delay:.15s;}
.reveal-4{animation-delay:.2s;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;}
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .container{padding:0 24px;}
  .nav-links{position:absolute;top:100%;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border-soft);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;box-shadow:0 16px 28px -18px oklch(0.22 0.02 255 / 0.25);display:none;}
  .nav-links.open{display:flex;}
  .nav-link{padding:12px 0;width:100%;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}

  .hero-grid{grid-template-columns:1fr;gap:48px;padding-top:56px;padding-bottom:56px;}
  .hero-title{font-size:44px;}
  .hero-photo-wrap{padding-bottom:46px;order:-1;max-width:420px;}

  .stats-band{grid-template-columns:repeat(3, 1fr);column-gap:8px;}
  .stat-num{font-size:22px;}
  .stat-label{font-size:11px;}

  .about-grid{grid-template-columns:1fr;gap:40px;}

  .process-grid{grid-template-columns:1fr;gap:36px;text-align:left;}
  .process-grid .step{display:flex;gap:16px;text-align:left;align-items:flex-start;}
  .process-grid .step .icon-box{margin:0;}
  .step-line{position:absolute;left:22px;top:8px;bottom:8px;width:1px;height:auto;right:auto;background:repeating-linear-gradient(180deg, var(--border) 0 8px, transparent 8px 14px);}

  .services-grid, .projects-grid, .certs-grid{grid-template-columns:1fr;}

  .contact-card{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .contact-actions{width:100%;}
  .contact-actions .btn{width:100%;}

  .section{padding-top:72px;padding-bottom:72px;}
  .section-head{margin-bottom:40px;}
  .section-head h2{font-size:28px;}
}

@media (max-width: 560px){
  .container{padding:0 18px;}
  .hero-title{font-size:34px;}
  .float-stats{position:static;margin-top:-30px;left:auto;bottom:auto;width:calc(100% - 20px);margin-left:10px;}
}