/*
Theme Name: Jana Web
Theme URI: https://example.com
Author: Jana
Description: Personal portfolio theme — full-screen fading slideshow hero, dark tech look. Python/React/AI-agent/WordPress builder.
Version: 1.1
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: jana-web
*/

/* ============================================
   0. TOKENS
   ============================================ */
:root{
  --bg: #0A0E13;
  --bg-raised: #10151D;
  --line: #1E2733;
  --text: #E8EDF3;
  --text-dim: #8592A3;
  --accent: #5EEAD4;      /* terminal cyan */
  --accent-2: #8B7CF6;    /* signal violet */
  --accent-dim: rgba(94,234,212,.12);
  --radius: 14px;
  --maxw: 1140px;
  --ease: cubic-bezier(.16,.8,.24,1);
}

/* ============================================
   1. RESET / BASE
   ============================================ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;margin:0;font-weight:600;letter-spacing:-.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;background:none;border:0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
  display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);}
.section{padding:120px 0;}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(28px,4vw,40px);margin-top:14px;}
.section-head p{color:var(--text-dim);margin-top:14px;font-size:17px;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:14.5px;
  border:1px solid transparent;
  transition:transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.btn-primary{background:var(--accent);color:#06110F;}
.btn-primary:hover{transform:translateY(-2px);}
.btn-ghost{border:1px solid rgba(232,237,243,.35);color:var(--text);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* ============================================
   2. HEADER — transparent overlay + hamburger
   ============================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  padding:26px 0;
  transition:background .3s var(--ease), padding .3s var(--ease), border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(10,14,19,.8);backdrop-filter:blur(10px);
  border-color:var(--line);padding:16px 0;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;}
.brand{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;letter-spacing:-.01em;}
.brand span{color:var(--accent);}
.menu-toggle{display:flex;align-items:center;gap:10px;color:var(--text);font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;}
.menu-toggle .bars{width:26px;height:18px;position:relative;}
.menu-toggle .bars span{position:absolute;left:0;right:0;height:2px;background:var(--text);transition:transform .3s var(--ease), opacity .3s var(--ease), top .3s var(--ease);}
.menu-toggle .bars span:nth-child(1){top:0;}
.menu-toggle .bars span:nth-child(2){top:8px;}
.menu-toggle .bars span:nth-child(3){top:16px;}
body.menu-open .menu-toggle .bars span:nth-child(1){top:8px;transform:rotate(45deg);}
body.menu-open .menu-toggle .bars span:nth-child(2){opacity:0;}
body.menu-open .menu-toggle .bars span:nth-child(3){top:8px;transform:rotate(-45deg);}

/* fullscreen nav overlay */
.nav-overlay{
  position:fixed;inset:0;z-index:190;
  background:#080B0F;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(-14px);
  transition:opacity .45s var(--ease), transform .45s var(--ease), visibility 0s linear .45s;
}
body.menu-open .nav-overlay{opacity:1;visibility:visible;transform:translateY(0);transition:opacity .45s var(--ease), transform .45s var(--ease);}
.nav-overlay ul{display:flex;flex-direction:column;gap:8px;text-align:center;}
.nav-overlay a{
  font-family:'Space Grotesk',sans-serif;font-size:clamp(32px,7vw,64px);font-weight:600;
  color:var(--text-dim);padding:6px 0;display:block;transition:color .25s;
}
.nav-overlay a:hover{color:var(--accent);}
.nav-overlay .nav-index{
  font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent);
  position:absolute;bottom:40px;left:0;right:0;text-align:center;letter-spacing:.14em;text-transform:uppercase;
}

/* ============================================
   3. SLIDESHOW (hero)
   ============================================ */
.slideshow{position:relative;height:100vh;min-height:560px;overflow:hidden;background:var(--bg);}
.slide{
  position:absolute;inset:0;display:flex;align-items:center;
  opacity:0;visibility:hidden;transition:opacity 1.1s var(--ease), visibility 0s linear 1.1s;
}
.slide.is-active{opacity:1;visibility:visible;transition:opacity 1.1s var(--ease);z-index:2;}
.slide-bg{position:absolute;inset:0;overflow:hidden;}
.slide-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg, rgba(10,14,19,.25) 0%, rgba(10,14,19,.75) 100%);}
.slide-bg-inner{position:absolute;inset:-6%;background-size:cover;background-position:center;}
.slide.is-active .slide-bg-inner{animation:kenburns 9s var(--ease) forwards;}
@keyframes kenburns{from{transform:scale(1.08);}to{transform:scale(1);}}

.slide-1 .slide-bg-inner{background:radial-gradient(circle at 30% 20%, rgba(94,234,212,.22), transparent 55%), radial-gradient(circle at 80% 80%, rgba(139,124,246,.18), transparent 55%), #0A0E13;}
.slide-2 .slide-bg-inner{background:radial-gradient(circle at 75% 25%, rgba(139,124,246,.24), transparent 55%), radial-gradient(circle at 20% 80%, rgba(94,234,212,.15), transparent 55%), #0A0E13;}
.slide-3 .slide-bg-inner{background:radial-gradient(circle at 20% 30%, rgba(94,234,212,.2), transparent 50%), radial-gradient(circle at 85% 70%, rgba(94,234,212,.12), transparent 55%), #0A0E13;}
.slide-4 .slide-bg-inner{background:radial-gradient(circle at 50% 40%, rgba(139,124,246,.26), transparent 60%), #0A0E13;}
.slide-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(232,237,243,.04) 1px, transparent 1px),linear-gradient(90deg, rgba(232,237,243,.04) 1px, transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at 50% 50%, black, transparent 75%);}

.slide-content{position:relative;z-index:3;width:100%;}
.slide-content .container{max-width:820px;}
.slide-eyebrow{margin-bottom:20px;}
.slide-content h2{font-size:clamp(38px,7vw,84px);line-height:1.02;color:var(--text);}
.slide-content h2 em{font-style:normal;color:var(--accent);}
.slide-content p{margin-top:22px;font-size:18px;color:var(--text-dim);max-width:460px;}
.slide-content .btn{margin-top:32px;}

.slide-controls{position:absolute;left:0;right:0;bottom:36px;z-index:4;display:flex;align-items:center;justify-content:space-between;padding:0 24px;}
.slide-arrows{display:flex;gap:10px;margin-left:auto;}
.slide-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(232,237,243,.25);
  display:flex;align-items:center;justify-content:center;color:var(--text);
  transition:border-color .25s, transform .25s;
}
.slide-arrow:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.slide-counter{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--text-dim);letter-spacing:.1em;position:absolute;left:24px;bottom:48px;z-index:4;}
.slide-counter strong{color:var(--text);}

.scroll-cue{
  position:absolute;bottom:36px;left:50%;transform:translateX(-50%);z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);
}
.scroll-cue .line{width:1px;height:34px;background:linear-gradient(180deg, var(--accent), transparent);animation:scrollpulse 1.8s ease-in-out infinite;}
@keyframes scrollpulse{0%,100%{opacity:.3;}50%{opacity:1;}}

@media (max-width:760px){
  .slide-controls{display:none;}
  .slide-counter{display:none;}
}

/* ============================================
   4. ABOUT
   ============================================ */
.about .container{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start;}
.about-list{margin-top:28px;display:flex;flex-direction:column;gap:18px;}
.about-list li{display:flex;gap:14px;font-size:15px;color:var(--text-dim);}
.about-list li strong{color:var(--text);font-weight:600;}
.about-list .dot{color:var(--accent);}
@media (max-width:860px){.about .container{grid-template-columns:1fr;}}

/* ============================================
   5. PROJECTS (3D tilt cards)
   ============================================ */
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tilt-card{perspective:900px;}
.tilt-card-inner{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-raised);
  padding:26px;height:100%;transition:transform .15s var(--ease), border-color .3s;
  transform-style:preserve-3d;will-change:transform;
}
.tilt-card-inner:hover{border-color:var(--accent-2);}
.tilt-card .tag{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--accent-2);}
.tilt-card h3{margin-top:14px;font-size:19px;}
.tilt-card p{margin-top:10px;color:var(--text-dim);font-size:14.5px;}
.tilt-card .stack{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap;}
.tilt-card .stack span{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-dim);border:1px solid var(--line);border-radius:6px;padding:3px 8px;}
@media (max-width:860px){.projects-grid{grid-template-columns:1fr;}}

/* ============================================
   6. CONTACT
   ============================================ */
.contact-box{
  background:var(--bg-raised);border:1px solid var(--line);border-radius:20px;
  padding:64px;text-align:center;
}
.contact-box h2{font-size:clamp(26px,4vw,38px);}
.contact-box p{color:var(--text-dim);margin-top:14px;max-width:480px;margin-inline:auto;}
.contact-box .btn{margin-top:30px;}
@media (max-width:640px){.contact-box{padding:40px 24px;}}

/* ============================================
   7. FOOTER
   ============================================ */
.site-footer{border-top:1px solid var(--line);padding:40px 0;}
.site-footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.site-footer p{font-size:13px;color:var(--text-dim);}
.social-links{display:flex;gap:20px;}
.social-links a{font-size:13px;color:var(--text-dim);}
.social-links a:hover{color:var(--accent);}