/* =============================================================
   Ali Deljavan — site stylesheet
   Preserves the original prototype's visual direction:
   dark theme, electric-blue accent, Space Grotesk/Inter/Mono
   type system, premium-minimal layout, existing animations.
   ============================================================= */

:root{
  --bg:#06070A;
  --surface:#0D0F14;
  --surface-2:#14161D;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.14);
  --text:#F5F6F8;
  --text-dim:#9AA1B2;
  --text-faint:#5B6070;
  --blue:#3D7EFF;
  --blue-soft:rgba(61,126,255,0.14);
  --purple:#7C6CFF;
  --amber:#E8B54A; /* used only for "needs content" placeholder markers */
  --amber-soft:rgba(232,181,74,0.12);
  --radius:16px;
  --radius-sm:10px;
  --ease: cubic-bezier(.16,.8,.24,1);
  --maxw: 1200px;
  --display: 'Space Grotesk', 'Inter', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

::selection{ background:var(--blue); color:#fff; }

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
img,svg{ display:block; max-width:100%; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.02em;
  color:var(--blue);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
}
.eyebrow::before{ content:''; width:6px; height:6px; border-radius:50%; background:var(--blue); box-shadow:0 0 8px 2px var(--blue-soft); flex-shrink:0; }

h1,h2,h3,h4{ font-family:var(--display); font-weight:600; letter-spacing:-0.02em; }
section{ position:relative; }

.reveal{ opacity:0; transform:translateY(24px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.reveal-stagger > *{ transition-delay:calc(var(--i,0) * 90ms); }

/* ===== "Needs real content" placeholder marker =====
   Used throughout the site to visibly flag invented/uncertain
   information that must be replaced before launch. Search the
   codebase for ".needs-content" to find every remaining item. */
.needs-content{
  color:var(--amber);
  background:var(--amber-soft);
  border:1px dashed rgba(232,181,74,0.4);
  border-radius:6px;
  padding:1px 8px;
  font-family:var(--mono);
  font-size:0.85em;
  white-space:normal;
}

/* ===== Background ambience ===== */
.noise{
  position:fixed; inset:0; pointer-events:none; z-index:1; opacity:0.025; 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");
}

/* ===== Nav ===== */
header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(6,7,10,0.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo{ font-family:var(--mono); font-weight:500; font-size:15px; letter-spacing:0.01em; display:flex; align-items:center; gap:10px;}
.logo .dot{ width:8px; height:8px; border-radius:50%; background:var(--blue); box-shadow:0 0 10px 2px var(--blue-soft); flex-shrink:0; }
nav.links{ display:flex; gap:36px; }
nav.links a{ font-size:14px; color:var(--text-dim); transition:color .2s var(--ease); position:relative; }
nav.links a:hover, nav.links a:focus-visible{ color:var(--text); }
nav.links a[aria-current="page"]{ color:var(--text); }
.nav-cta{
  font-size:13.5px; font-weight:500; padding:9px 18px; border-radius:100px;
  border:1px solid var(--line-strong); color:var(--text); transition:all .25s var(--ease);
}
.nav-cta:hover{ border-color:var(--blue); background:var(--blue-soft); }
.nav-toggle{ display:none; background:none; border:0; color:var(--text); padding:8px; }
.progress-bar{ position:absolute; bottom:-1px; left:0; height:1px; background:var(--blue); width:0%; box-shadow:0 0 8px var(--blue); }

@media (max-width: 860px){
  nav.links, .nav-cta{ display:none; }
  .nav-toggle{ display:block; }
}

/* ===== Breadcrumb (project pages) ===== */
.breadcrumb{
  display:flex; gap:8px; align-items:center; font-family:var(--mono); font-size:12.5px;
  color:var(--text-faint); margin-bottom:28px; flex-wrap:wrap;
}
.breadcrumb a{ color:var(--text-dim); }
.breadcrumb a:hover{ color:var(--blue); }

/* ===== Hero ===== */
.hero{
  min-height:100svh; display:flex; flex-direction:column; justify-content:center;
  padding-top:140px; padding-bottom:80px;
  position:relative;
}
.hero-bg{ position:absolute; inset:0; z-index:0; overflow:hidden; pointer-events:none; }
.hero-bg .glow{
  position:absolute; width:900px; height:900px; border-radius:50%; filter:blur(120px); opacity:0.16;
  background:radial-gradient(circle, var(--blue), transparent 70%);
  top:-380px; left:50%; transform:translateX(-50%);
  animation: drift 18s ease-in-out infinite alternate;
}
.hero-bg .glow-2{
  position:absolute; width:600px; height:600px; border-radius:50%; filter:blur(140px); opacity:0.10;
  background:radial-gradient(circle, var(--purple), transparent 70%);
  bottom:-300px; right:-100px;
}
@keyframes drift{ from{ transform:translateX(-54%) translateY(0);} to{ transform:translateX(-46%) translateY(30px);} }

.hero-grid{
  position:absolute; inset:0; z-index:0;
  background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, black 10%, transparent 75%);
  opacity:0.5;
}

.hero-content{ position:relative; z-index:2; }
.hero h1{
  font-size:clamp(38px, 6vw, 76px);
  line-height:1.05;
  max-width:18ch;
}
.hero h1 .line{ display:block; overflow:hidden; }
.hero h1 .line span{ display:block; transform:translateY(110%); animation:lineUp .9s var(--ease) forwards; }
.hero h1 .line:nth-child(1) span{ animation-delay:.05s; }
.hero h1 .line:nth-child(2) span{ animation-delay:.15s; color:var(--text-dim); }
@keyframes lineUp{ to{ transform:translateY(0); } }

.hero-sub{
  margin-top:28px; max-width:56ch; font-size:18px; color:var(--text-dim);
  opacity:0; animation:fadeUp .8s var(--ease) forwards; animation-delay:.5s;
}
@keyframes fadeUp{ from{opacity:0; transform:translateY(14px);} to{opacity:1; transform:translateY(0);} }

.hero-actions{ display:flex; gap:16px; margin-top:40px; flex-wrap:wrap;
  opacity:0; animation:fadeUp .8s var(--ease) forwards; animation-delay:.65s; }
.btn{
  font-size:14.5px; font-weight:600; padding:14px 26px; border-radius:100px;
  display:inline-flex; align-items:center; gap:8px; transition:all .25s var(--ease);
  border:1px solid transparent;
}
.btn-primary{ background:var(--blue); color:#fff; }
.btn-primary:hover{ background:#5A91FF; box-shadow:0 8px 24px -8px rgba(61,126,255,0.6); transform:translateY(-1px); }
.btn-ghost{ border:1px solid var(--line-strong); color:var(--text); }
.btn-ghost:hover{ border-color:var(--text-dim); background:rgba(255,255,255,0.03); }
.btn[hidden]{ display:none !important; }

/* hero status line */
.status{
  margin-top:56px; font-family:var(--mono); font-size:13.5px; color:var(--text-dim);
  display:flex; flex-wrap:wrap; gap:14px 32px; border-top:1px solid var(--line); padding-top:24px; max-width:640px;
  opacity:0; animation:fadeUp .8s var(--ease) forwards; animation-delay:.8s;
}
.status .stat{ display:flex; align-items:center; gap:8px; }
.status .stat::before{ content:'●'; color:var(--blue); font-size:8px; }

/* ===== Section shell ===== */
.section{ padding:150px 0; border-top:1px solid var(--line); }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:40px; margin-bottom:64px; flex-wrap:wrap; }
.section-head h2{ font-size:clamp(28px,3.6vw,42px); max-width:14ch; }
.section-head p{ color:var(--text-dim); max-width:40ch; font-size:15.5px; }

/* ===== About ===== */
.about-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:80px; align-items:start; }
.about-grid p{ color:var(--text-dim); font-size:17px; margin-bottom:20px; }
.about-grid p strong{ color:var(--text); font-weight:600; }
.about-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:32px; }
.about-card .row{ display:flex; justify-content:space-between; padding:14px 0; border-bottom:1px solid var(--line); font-size:14px; gap:16px; }
.about-card .row:last-child{ border-bottom:0; }
.about-card .row span:first-child{ color:var(--text-faint); font-family:var(--mono); font-size:12.5px; flex-shrink:0; }
.about-card .row span:last-child{ color:var(--text); font-weight:500; text-align:right; }
@media (max-width:860px){ .about-grid{ grid-template-columns:1fr; gap:48px; } }

/* ===== Timeline ===== */
.timeline{ position:relative; padding-left:32px; }
.timeline::before{ content:''; position:absolute; left:5px; top:6px; bottom:6px; width:1px; background:linear-gradient(var(--blue), var(--line) 85%); }
.t-item{ position:relative; padding-bottom:56px; }
.t-item:last-child{ padding-bottom:0; }
.t-dot{ position:absolute; left:-32px; top:4px; width:11px; height:11px; border-radius:50%; background:var(--bg); border:2px solid var(--blue); box-shadow:0 0 0 4px var(--bg); }
.t-item.future .t-dot{ border-color:var(--text-faint); }
.t-year{ font-family:var(--mono); font-size:13px; color:var(--blue); margin-bottom:6px; }
.t-item.future .t-year{ color:var(--text-faint); }
.t-item h3{ font-size:20px; margin-bottom:8px; }
.t-item p{ color:var(--text-dim); font-size:15px; max-width:56ch; }

/* ===== Projects ===== */
.projects-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.project-card{
  grid-column:span 1; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; display:flex; flex-direction:column; min-height:340px; position:relative; overflow:hidden;
  transition:border-color .3s var(--ease), transform .3s var(--ease);
}
.project-card:hover{ border-color:var(--line-strong); transform:translateY(-4px); }
.project-card::after{
  content:''; position:absolute; inset:0; background:radial-gradient(360px circle at var(--mx,50%) var(--my,0%), var(--blue-soft), transparent 60%);
  opacity:0; transition:opacity .4s var(--ease); pointer-events:none;
}
.project-card:hover::after{ opacity:1; }
.project-card.featured{ grid-column:span 2; }
.p-status{
  font-family:var(--mono); font-size:11.5px; letter-spacing:0.04em; padding:5px 10px; border-radius:100px;
  border:1px solid var(--line-strong); width:fit-content; margin-bottom:20px; color:var(--text-dim);
}
.p-status.live{ color:var(--blue); border-color:rgba(61,126,255,0.4); }
.project-card h3{ font-size:24px; margin-bottom:10px; }
.project-card p.desc{ color:var(--text-dim); font-size:14.5px; margin-bottom:auto; padding-bottom:20px; }
.p-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px; }
.p-tags span{ font-family:var(--mono); font-size:11.5px; color:var(--text-faint); background:var(--surface-2); padding:4px 9px; border-radius:6px; }
.p-link{ font-size:14px; font-weight:600; display:inline-flex; align-items:center; gap:6px; color:var(--text); }
.p-link svg{ width:14px; height:14px; transition:transform .2s var(--ease); flex-shrink:0; }
.project-card:hover .p-link svg{ transform:translate(2px,-2px); }
@media (max-width:900px){
  .projects-grid{ grid-template-columns:1fr; }
  .project-card.featured{ grid-column:span 1; }
}

/* ===== Project detail pages ===== */
.project-hero{ padding:150px 0 80px; border-top:none; }
.project-hero .meta-row{ display:flex; gap:16px; flex-wrap:wrap; align-items:center; margin-top:20px; }
.project-hero h1{ font-size:clamp(36px,6vw,64px); max-width:14ch; }
.project-hero .tagline{ margin-top:18px; font-size:18px; color:var(--text-dim); max-width:60ch; }

.overview-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin-top:48px; }
.overview-cell{ background:var(--surface); padding:22px 20px; }
.overview-cell .k{ font-family:var(--mono); font-size:11.5px; color:var(--text-faint); margin-bottom:8px; display:block; }
.overview-cell .v{ font-size:15px; font-weight:500; }
@media (max-width:760px){ .overview-grid{ grid-template-columns:1fr 1fr; } }

.info-block{ margin-bottom:64px; }
.info-block h2{ font-size:clamp(22px,3vw,30px); margin-bottom:20px; }
.info-block p{ color:var(--text-dim); font-size:16px; max-width:70ch; margin-bottom:14px; }

.feature-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.feature-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:22px; }
.feature-card h3{ font-size:16px; margin-bottom:8px; }
.feature-card p{ color:var(--text-dim); font-size:14px; margin:0; }
@media (max-width:700px){ .feature-grid{ grid-template-columns:1fr; } }

.screenshot-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.screenshot-placeholder{
  aspect-ratio:16/10; border:1px dashed var(--line-strong); border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center; text-align:center; padding:20px;
  background:var(--surface); color:var(--text-faint); font-family:var(--mono); font-size:12.5px;
}
@media (max-width:760px){ .screenshot-grid{ grid-template-columns:1fr; } }

.tech-list{ display:flex; flex-wrap:wrap; gap:10px; }
.tech-list span{ font-family:var(--mono); font-size:12.5px; color:var(--text-dim); background:var(--surface-2); border:1px solid var(--line); padding:7px 14px; border-radius:8px; }

.step-list{ counter-reset:step; }
.step-list li{ position:relative; padding-left:44px; padding-bottom:22px; color:var(--text-dim); font-size:15px; }
.step-list li:last-child{ padding-bottom:0; }
.step-list li::before{
  counter-increment:step; content:counter(step, decimal-leading-zero); position:absolute; left:0; top:-2px;
  font-family:var(--mono); font-size:12px; color:var(--blue); border:1px solid rgba(61,126,255,0.35); border-radius:6px;
  width:28px; height:28px; display:flex; align-items:center; justify-content:center;
}

.plain-list{ padding-left:20px; }
.plain-list li{ color:var(--text-dim); font-size:15px; margin-bottom:10px; list-style:disc; }

.cta-banner{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:44px; text-align:center; margin-top:24px;
}
.cta-banner h2{ font-size:clamp(22px,3vw,30px); margin-bottom:12px; }
.cta-banner p{ color:var(--text-dim); margin-bottom:26px; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ===== AI Lab ===== */
.lab-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:24px; align-items:stretch; }
.lab-tool{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:32px; }
.lab-tool h3{ font-size:19px; margin-bottom:6px; }
.lab-tool > p{ color:var(--text-dim); font-size:14px; margin-bottom:24px; }
.lab-field{ margin-bottom:16px; }
.lab-field label{ display:block; font-family:var(--mono); font-size:12px; color:var(--text-faint); margin-bottom:8px; }
.lab-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.lab-field input, .lab-field select{
  width:100%; background:var(--surface-2); border:1px solid var(--line); color:var(--text); border-radius:var(--radius-sm);
  padding:11px 14px; font-size:14.5px; font-family:var(--body); transition:border-color .2s var(--ease);
}
.lab-field input:focus, .lab-field select:focus{ border-color:var(--blue); }
.lab-result{
  margin-top:20px; padding:18px; border-radius:var(--radius-sm); background:var(--blue-soft); border:1px solid rgba(61,126,255,0.3);
  font-family:var(--mono); font-size:14px; display:none;
}
.lab-result.show{ display:block; }
.lab-result b{ font-size:22px; display:block; margin-bottom:4px; color:var(--text); }
.lab-list{ display:flex; flex-direction:column; gap:14px; }
.lab-mini{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:18px 20px;
  display:flex; justify-content:space-between; align-items:center; gap:12px; transition:border-color .25s var(--ease);
}
.lab-mini:hover{ border-color:var(--line-strong); }
.lab-mini h4{ font-size:15px; font-weight:600; margin-bottom:3px; }
.lab-mini span{ color:var(--text-faint); font-size:12.5px; }
.soon-tag{ font-family:var(--mono); font-size:11px; color:var(--text-faint); border:1px solid var(--line-strong); padding:4px 9px; border-radius:100px; flex-shrink:0; }
@media (max-width:900px){ .lab-grid{ grid-template-columns:1fr; } }

/* ===== Content ===== */
.content-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.content-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform .3s var(--ease), border-color .3s var(--ease); }
.content-card:hover{ transform:translateY(-4px); border-color:var(--line-strong); }
.content-thumb{ aspect-ratio:16/9; background:linear-gradient(135deg, var(--surface-2), var(--bg)); position:relative; display:flex; align-items:center; justify-content:center; }
.content-thumb svg{ width:36px; height:36px; color:var(--text-faint); }
.content-body{ padding:20px; }
.content-plat{ font-family:var(--mono); font-size:11px; color:var(--blue); margin-bottom:8px; }
.content-card h3{ font-size:15px; font-weight:600; line-height:1.4; margin-bottom:6px; }
.content-card span{ color:var(--text-faint); font-size:12.5px; }
@media (max-width:900px){ .content-grid{ grid-template-columns:1fr; } }

/* ===== Fitness ===== */
.fitness-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.fitness-copy p{ color:var(--text-dim); font-size:16.5px; margin-bottom:18px; }
.fitness-copy p strong{ color:var(--text); }
.pr-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.pr-cell{ background:var(--surface); padding:26px 24px; }
.pr-cell .lift{ font-family:var(--mono); font-size:12px; color:var(--text-faint); margin-bottom:8px; }
.pr-cell .val{ font-size:26px; font-family:var(--display); font-weight:600; color:var(--text-faint); }
.pr-cell .val span{ font-size:14px; color:var(--text-faint); font-family:var(--mono); margin-left:4px; }
@media (max-width:900px){ .fitness-wrap{ grid-template-columns:1fr; gap:48px; } }

/* ===== Contact ===== */
.contact-section{ padding:150px 0; text-align:center; }
.contact-section h2{ font-size:clamp(30px,5vw,52px); max-width:18ch; margin:0 auto 20px; }
.contact-section > .wrap > p{ color:var(--text-dim); font-size:17px; max-width:48ch; margin:0 auto 44px; }
.contact-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin-bottom:32px; }
.contact-links{ display:flex; gap:32px; justify-content:center; flex-wrap:wrap; margin-bottom:16px; }
.contact-links a{ font-size:14px; color:var(--text-dim); display:flex; align-items:center; gap:8px; transition:color .2s var(--ease); }
.contact-links a:hover{ color:var(--blue); }
.contact-pending{ font-family:var(--mono); font-size:13px; color:var(--text-faint); }
.contact-pending + .contact-pending{ margin-top:6px; }

footer{ border-top:1px solid var(--line); padding:36px 0; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
.footer-inner p{ color:var(--text-faint); font-size:13px; font-family:var(--mono); text-transform:uppercase; letter-spacing:0.02em; }

/* scroll-to-top */
.to-top{
  position:fixed; bottom:28px; right:28px; z-index:90; width:44px; height:44px; border-radius:50%;
  background:var(--surface); border:1px solid var(--line-strong); display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:all .3s var(--ease);
}
.to-top.show{ opacity:1; pointer-events:auto; }
.to-top:hover{ border-color:var(--blue); }
.to-top svg{ width:16px; height:16px; }

/* ===== 404 page ===== */
.error-page{ min-height:100svh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:140px 32px 80px; }
.error-page .code{ font-family:var(--mono); color:var(--blue); font-size:15px; margin-bottom:20px; }
.error-page h1{ font-size:clamp(32px,6vw,56px); margin-bottom:16px; }
.error-page p{ color:var(--text-dim); max-width:48ch; margin-bottom:36px; }

/* ===== noscript fallback ===== */
noscript .noscript-note{
  display:block; background:var(--surface); border:1px solid var(--line-strong); border-radius:var(--radius-sm);
  padding:16px 20px; font-family:var(--mono); font-size:13px; color:var(--text-dim); max-width:640px; margin:0 auto 24px;
}

@media (max-width:640px){
  .wrap{ padding:0 20px; }
  .section, .project-hero, .contact-section{ padding-left:0; padding-right:0; }
  .section{ padding-top:100px; padding-bottom:100px; }
}