/* =====================================================
   Cebim — cebim.com.tr
   Modern, AI-inspired design system
   ===================================================== */

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;line-height:1.6;
  background:var(--bg);color:var(--text);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  transition:background .4s ease,color .4s ease;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:1rem}
ul{list-style:none}

/* ---------- Theme Tokens ---------- */
:root[data-theme="dark"]{
  --bg:#0b1120;
  --bg-2:#0f172a;
  --surface:rgba(255,255,255,0.04);
  --surface-2:rgba(255,255,255,0.06);
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.14);
  --text:#e6edf7;
  --text-soft:#9aa7bd;
  --text-dim:#6b7793;
  --primary:#7c3aed;
  --primary-2:#06b6d4;
  --accent:#ec4899;
  --success:#10b981;
  --danger:#ef4444;
  --grad-1:linear-gradient(135deg,#7c3aed 0%,#06b6d4 100%);
  --grad-2:linear-gradient(135deg,#ec4899 0%,#7c3aed 100%);
  --grad-3:linear-gradient(135deg,#06b6d4 0%,#10b981 100%);
  --grad-4:linear-gradient(135deg,#f59e0b 0%,#ef4444 100%);
  --grad-5:linear-gradient(135deg,#7c3aed 0%,#ec4899 100%);
  --grad-6:linear-gradient(135deg,#10b981 0%,#06b6d4 100%);
  --shadow-lg:0 30px 60px -20px rgba(0,0,0,.6),0 10px 30px -10px rgba(124,58,237,.25);
  --shadow-glow:0 0 80px -20px rgba(124,58,237,.55);
  --nav-bg:rgba(11,17,32,.72);
}
:root[data-theme="light"]{
  --bg:#fafbff;
  --bg-2:#f1f4fb;
  --surface:rgba(15,23,42,0.03);
  --surface-2:rgba(15,23,42,0.05);
  --border:rgba(15,23,42,0.09);
  --border-strong:rgba(15,23,42,0.16);
  --text:#0f172a;
  --text-soft:#475569;
  --text-dim:#64748b;
  --primary:#7c3aed;
  --primary-2:#0891b2;
  --accent:#db2777;
  --success:#059669;
  --danger:#dc2626;
  --grad-1:linear-gradient(135deg,#7c3aed 0%,#06b6d4 100%);
  --grad-2:linear-gradient(135deg,#ec4899 0%,#7c3aed 100%);
  --grad-3:linear-gradient(135deg,#06b6d4 0%,#10b981 100%);
  --grad-4:linear-gradient(135deg,#f59e0b 0%,#ef4444 100%);
  --grad-5:linear-gradient(135deg,#7c3aed 0%,#ec4899 100%);
  --grad-6:linear-gradient(135deg,#10b981 0%,#06b6d4 100%);
  --shadow-lg:0 30px 60px -20px rgba(15,23,42,.18),0 10px 30px -10px rgba(124,58,237,.15);
  --shadow-glow:0 0 80px -20px rgba(124,58,237,.35);
  --nav-bg:rgba(250,251,255,.78);
}

/* ---------- Layout ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:120px 0;position:relative}
.section-alt{background:var(--bg-2)}
@media(max-width:768px){
  .section{padding:80px 0}
}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-weight:700;line-height:1.15;letter-spacing:-.02em}
.gradient-text{
  background:var(--grad-1);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;
  letter-spacing:.15em;text-transform:uppercase;
  color:var(--primary);margin-bottom:16px;
}
.section-head{text-align:center;max-width:720px;margin:0 auto 64px}
.section-title{font-size:clamp(2rem,4vw,3rem);margin-bottom:16px}
.section-sub{color:var(--text-soft);font-size:1.1rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:12px;font-weight:600;font-size:.95rem;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:.88rem}
.btn-lg{padding:16px 32px;font-size:1rem}
.btn-primary{
  background:var(--grad-1);color:white;
  box-shadow:0 10px 30px -10px rgba(124,58,237,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px -10px rgba(124,58,237,.6)}
.btn-ghost{
  background:var(--surface);color:var(--text);
  border:1px solid var(--border-strong);
}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.nav.scrolled{border-bottom-color:var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:24px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem}
.logo-mark{display:flex}
.logo-text{background:var(--grad-1);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;letter-spacing:-.02em}
.nav-links{display:flex;gap:4px}
.nav-links a{
  padding:10px 16px;border-radius:10px;font-weight:500;font-size:.95rem;color:var(--text-soft);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--text);background:var(--surface)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--surface-2);transform:translateY(-1px)}
.icon-sun,.icon-moon{position:absolute;transition:transform .4s ease,opacity .3s ease}
#themeToggle{position:relative;overflow:hidden}
[data-theme="dark"] .icon-sun{transform:translateY(40px);opacity:0}
[data-theme="dark"] .icon-moon{transform:translateY(0);opacity:1}
[data-theme="light"] .icon-sun{transform:translateY(0);opacity:1}
[data-theme="light"] .icon-moon{transform:translateY(-40px);opacity:0}
.menu-toggle{display:none}

@media(max-width:900px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;gap:4px;padding:16px 24px;
    background:var(--nav-bg);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--border);
    transform:translateY(-120%);transition:transform .3s ease;
  }
  .nav.open .nav-links{transform:translateY(0)}
  .menu-toggle{display:flex}
  .nav-links a{padding:14px 16px}
}
@media(max-width:480px){
  .nav-actions .btn{display:none}
}

/* ---------- HERO ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;padding:140px 0 80px;
}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{
  position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;
  animation:float 20s ease-in-out infinite;
}
.orb-1{width:480px;height:480px;background:#7c3aed;top:-120px;left:-120px}
.orb-2{width:400px;height:400px;background:#06b6d4;bottom:-100px;right:-100px;animation-delay:-7s}
.orb-3{width:320px;height:320px;background:#ec4899;top:40%;left:50%;opacity:.25;animation-delay:-14s}
@keyframes float{
  0%,100%{transform:translate(0,0) scale(1)}
  33%{transform:translate(40px,-30px) scale(1.05)}
  66%{transform:translate(-30px,40px) scale(.95)}
}
.grid-overlay{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--border) 1px,transparent 1px),
    linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);
  opacity:.4;
}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:900px}
.chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border-strong);
  font-size:.85rem;font-weight:500;color:var(--text-soft);
  margin-bottom:24px;
}
.chip-dot{
  width:8px;height:8px;border-radius:50%;background:#10b981;
  box-shadow:0 0 12px #10b981;animation:pulse 2s ease-in-out infinite;
}
.chip-soft{background:var(--surface-2);border:1px solid var(--border);font-size:.75rem;letter-spacing:.05em}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

.hero-title{
  font-size:clamp(2.4rem,6vw,4.6rem);
  font-weight:800;line-height:1.05;letter-spacing:-.03em;
  margin-bottom:24px;
}
.typing{
  display:inline-block;color:var(--primary);
  border-right:3px solid var(--primary);padding-right:4px;
  animation:blink 1s step-end infinite;
}
@keyframes blink{50%{border-color:transparent}}
.hero-sub{
  font-size:clamp(1rem,1.6vw,1.2rem);
  color:var(--text-soft);max-width:640px;margin:0 auto 40px;
}
.hero-ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:80px}

.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  max-width:800px;margin:0 auto;
  padding:24px;border-radius:20px;
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(10px);
}
.stat{text-align:center}
.stat-num{
  font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;
  background:var(--grad-1);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  line-height:1;
}
.stat-label{font-size:.85rem;color:var(--text-dim);margin-top:6px}
@media(max-width:640px){
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}

.scroll-hint{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:var(--text-dim);font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;
  opacity:.7;
}
.mouse{
  width:24px;height:38px;border:2px solid var(--text-dim);border-radius:14px;
  display:flex;justify-content:center;padding-top:6px;
}
.wheel{width:3px;height:8px;border-radius:2px;background:var(--text-dim);animation:wheel 1.6s ease-in-out infinite}
@keyframes wheel{0%,100%{transform:translateY(0);opacity:1}50%{transform:translateY(10px);opacity:.2}}

/* ---------- Cards / Services ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.card{
  position:relative;padding:32px;border-radius:20px;
  background:var(--surface);border:1px solid var(--border);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;
  background:var(--grad-1);opacity:0;transition:opacity .3s ease;z-index:0;
  mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  mask-composite:exclude;-webkit-mask-composite:xor;
  padding:1px;border-radius:20px;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card:hover::before{opacity:1}
.card>*{position:relative;z-index:1}
.card-featured{background:linear-gradient(180deg,rgba(124,58,237,.08),rgba(6,182,212,.04));border-color:var(--border-strong)}
.card-badge{
  position:absolute;top:16px;right:16px;
  padding:4px 10px;border-radius:999px;
  background:var(--grad-1);color:white;font-size:.7rem;font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;
}
.card-icon{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;box-shadow:0 10px 30px -10px rgba(0,0,0,.4);
}
.gradient-bg-1{background:var(--grad-1)}
.gradient-bg-2{background:var(--grad-2)}
.gradient-bg-3{background:var(--grad-3)}
.gradient-bg-4{background:var(--grad-4)}
.gradient-bg-5{background:var(--grad-5)}
.gradient-bg-6{background:var(--grad-6)}
.card h3{font-size:1.25rem;margin-bottom:10px}
.card p{color:var(--text-soft);margin-bottom:20px;font-size:.95rem}
.card-tags{display:flex;flex-wrap:wrap;gap:6px}
.card-tags li{
  font-size:.7rem;padding:4px 10px;border-radius:6px;
  background:var(--surface-2);color:var(--text-dim);
  font-weight:600;letter-spacing:.02em;
}

/* ---------- Tools Grid ---------- */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-bottom:40px}
.tool-card{
  padding:28px;border-radius:20px;
  background:var(--surface);border:1px solid var(--border);
  transition:all .3s ease;display:block;
}
.tool-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-glow)}
.tool-emoji{font-size:2.2rem;margin-bottom:12px}
.tool-card h3{font-size:1.1rem;margin-bottom:6px}
.tool-card p{color:var(--text-soft);font-size:.9rem;margin-bottom:16px}
.tool-cta{color:var(--primary);font-weight:600;font-size:.9rem}
.tools-foot{text-align:center}

/* ---------- Projects ---------- */
.projects{display:flex;flex-direction:column;gap:80px}
.project{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.project.reverse .project-visual{order:2}
@media(max-width:900px){
  .project,.project.reverse{grid-template-columns:1fr}
  .project.reverse .project-visual{order:0}
}
.project-info .chip{margin-bottom:16px}
.project-info h3{font-size:clamp(1.6rem,2.5vw,2rem);margin-bottom:16px}
.project-info p{color:var(--text-soft);margin-bottom:20px}
.feature-list li{
  padding:8px 0 8px 28px;position:relative;color:var(--text-soft);font-size:.95rem;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:14px;
  width:16px;height:16px;border-radius:50%;
  background:var(--grad-1);
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/12px no-repeat;
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/12px no-repeat;
}
.project-visual{
  aspect-ratio:4/3;border-radius:24px;
  background:linear-gradient(135deg,var(--surface),var(--surface-2));
  border:1px solid var(--border);
  padding:24px;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.project-visual::before{
  content:"";position:absolute;inset:-2px;z-index:-1;
  background:var(--grad-1);opacity:0;transition:opacity .3s ease;border-radius:24px;
}
.project:hover .project-visual::before{opacity:.3}
.project-mock{
  width:100%;height:100%;border-radius:12px;
  background:var(--bg);border:1px solid var(--border-strong);
  overflow:hidden;display:flex;flex-direction:column;
}
.mock-top{height:28px;background:var(--surface-2);border-bottom:1px solid var(--border);position:relative}
.mock-top::before,.mock-top::after{content:"";position:absolute;top:10px;width:8px;height:8px;border-radius:50%;background:var(--border-strong)}
.mock-top::before{left:10px;box-shadow:14px 0 0 var(--border-strong),28px 0 0 var(--border-strong)}
.mock-body{flex:1;padding:16px;display:flex;flex-direction:column;gap:12px}
.mock-chart{
  height:40%;border-radius:8px;
  background:linear-gradient(180deg,transparent 0%,rgba(124,58,237,.1) 100%);
  position:relative;overflow:hidden;
}
.mock-chart::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:60%;
  background:
    linear-gradient(90deg,transparent 0 10%,var(--primary) 10% 12%,transparent 12% 30%,var(--primary-2) 30% 32%,transparent 32% 55%,var(--primary) 55% 57%,transparent 57% 75%,var(--accent) 75% 77%,transparent 77% 100%);
  opacity:.8;
  mask:linear-gradient(180deg,transparent,black);
  -webkit-mask:linear-gradient(180deg,transparent,black);
}
.mock-rows{display:flex;flex-direction:column;gap:8px;flex:1}
.mock-rows span{height:12px;border-radius:4px;background:var(--surface-2)}
.mock-rows span:nth-child(1){width:80%}
.mock-rows span:nth-child(2){width:65%}
.mock-rows span:nth-child(3){width:90%}
.mock-rows span:nth-child(4){width:55%}
.mock-grid{padding:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;flex:1}
.mock-grid>div{border-radius:8px;background:var(--surface-2);min-height:40px}
.mock-grid>div:nth-child(2n){background:linear-gradient(135deg,rgba(124,58,237,.15),rgba(6,182,212,.15))}
.mock-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;height:30%}
.mock-stats>div{border-radius:8px;background:linear-gradient(135deg,rgba(124,58,237,.1),rgba(6,182,212,.1));border:1px solid var(--border)}
.mock-docs{padding:16px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px;flex:1}
.mock-docs>div{border-radius:6px;background:var(--surface-2);position:relative}
.mock-docs>div::before{content:"📄";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.6rem;opacity:.5}

/* ---- Real screenshot frame ---- */
.project-photo{
  width:100%;height:100%;border-radius:14px;overflow:hidden;
  background:var(--surface-2);border:1px solid var(--border);
  position:relative;display:flex;
}
.project-photo img.cover{
  width:100%;height:100%;object-fit:cover;object-position:top center;
  display:block;cursor:zoom-in;transition:transform .5s ease;
}
.project-photo:hover img.cover{transform:scale(1.02)}
.project-photo .gallery-badge{
  position:absolute;top:12px;right:12px;
  background:rgba(15,23,42,.85);color:#fff;
  padding:6px 12px;border-radius:20px;
  font-size:.78rem;font-weight:600;letter-spacing:.02em;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  pointer-events:none;
  border:1px solid rgba(255,255,255,.12);
}

/* ---- Lightbox ---- */
.lightbox{
  position:fixed;inset:0;background:rgba(0,0,0,.94);
  z-index:9999;display:none;align-items:center;justify-content:center;
  padding:48px;animation:lbFade .25s ease;
}
@keyframes lbFade{from{opacity:0}to{opacity:1}}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;box-shadow:0 25px 60px rgba(0,0,0,.6)}
.lightbox-btn{
  position:absolute;background:rgba(255,255,255,.08);
  color:#fff;border:1px solid rgba(255,255,255,.15);
  width:48px;height:48px;border-radius:50%;cursor:pointer;
  font-size:1.6rem;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.lightbox-btn:hover{background:rgba(255,255,255,.18)}
.lightbox-close{top:24px;right:24px}
.lightbox-prev{left:24px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:24px;top:50%;transform:translateY(-50%)}
.lightbox-counter{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  color:#fff;background:rgba(255,255,255,.08);padding:6px 14px;border-radius:20px;
  font-size:.85rem;font-weight:600;
  border:1px solid rgba(255,255,255,.12);
}
@media (max-width:640px){
  .lightbox{padding:16px}
  .lightbox-close{top:12px;right:12px;width:40px;height:40px}
  .lightbox-prev,.lightbox-next{width:40px;height:40px}
  .lightbox-prev{left:8px}.lightbox-next{right:8px}
}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:center}
@media(max-width:900px){.about-grid{grid-template-columns:1fr}}
.about-text p{color:var(--text-soft);margin-bottom:16px}
.about-text strong{color:var(--text)}
.about-skills{margin-top:32px;display:flex;flex-direction:column;gap:12px}
.skill{display:grid;grid-template-columns:180px 1fr;gap:16px;align-items:center;font-size:.9rem}
.skill span{color:var(--text-soft);font-weight:500}
.bar{height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden;position:relative}
.bar i{
  display:block;height:100%;width:0;background:var(--grad-1);border-radius:3px;
  transition:width 1.4s cubic-bezier(.2,.8,.2,1);
}
.reveal.in-view .bar i{width:var(--w)}
@media(max-width:480px){.skill{grid-template-columns:1fr}}

.about-card{
  padding:40px;border-radius:24px;
  background:var(--surface);border:1px solid var(--border-strong);
  text-align:center;position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.about-card::before{
  content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:conic-gradient(from 0deg,transparent,rgba(124,58,237,.1),transparent 30%);
  animation:spin 12s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.about-card>*{position:relative}
.about-avatar{
  width:120px;height:120px;border-radius:50%;margin:0 auto 20px;
  background:var(--grad-1);display:flex;align-items:center;justify-content:center;
  position:relative;
}
.avatar-initials{color:white;font-size:2.4rem;font-weight:800;letter-spacing:-.02em}
.avatar-ring{
  position:absolute;inset:-8px;border-radius:50%;
  border:2px dashed rgba(124,58,237,.5);
  animation:spin 20s linear infinite;
}
.about-card h3{font-size:1.4rem;margin-bottom:16px}
.about-titles{margin-bottom:12px;padding:12px;border-radius:10px;background:var(--surface-2)}
.about-titles div{font-weight:600;color:var(--text)}
.about-titles small{color:var(--text-dim);font-size:.8rem}
.about-contact{display:flex;flex-direction:column;gap:8px;margin-top:20px}
.mini{
  font-size:.85rem;color:var(--text-soft);
  padding:8px;border-radius:8px;background:var(--surface-2);
  transition:background .2s ease,color .2s ease;
}
.mini:hover{background:var(--surface);color:var(--primary)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:48px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info{display:flex;flex-direction:column;gap:12px}
.contact-item{
  display:flex;align-items:center;gap:16px;
  padding:18px;border-radius:14px;
  background:var(--surface);border:1px solid var(--border);
  transition:all .2s ease;
}
.contact-item:not(.static):hover{border-color:var(--primary);transform:translateX(4px);background:var(--surface-2)}
.ci-icon{font-size:1.6rem;line-height:1}
.contact-item small{display:block;color:var(--text-dim);font-size:.75rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:2px}
.contact-item strong{font-weight:600;color:var(--text)}
.contact-item.wa:hover{border-color:#25D366}

.contact-form{
  padding:32px;border-radius:20px;
  background:var(--surface);border:1px solid var(--border);
  display:flex;flex-direction:column;gap:18px;
}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:600px){.contact-form .row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:.85rem;font-weight:600;color:var(--text-soft)}
.field input,.field textarea,.field select{
  padding:14px 16px;border-radius:12px;
  background:var(--bg);border:1px solid var(--border);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(124,58,237,.15);
}
.field textarea{resize:vertical;min-height:120px;font-family:inherit}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.form-status{font-size:.9rem;text-align:center;min-height:1.2em}
.form-status.ok{color:var(--success)}
.form-status.err{color:var(--danger)}

/* ---------- Footer ---------- */
.footer{padding:64px 0 0;background:var(--bg-2);border-top:1px solid var(--border)}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
@media(max-width:900px){.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-inner{grid-template-columns:1fr}}
.footer-col h4{font-size:.9rem;margin-bottom:16px;letter-spacing:.05em;text-transform:uppercase;color:var(--text)}
.footer-col a{display:block;padding:6px 0;color:var(--text-soft);font-size:.9rem}
.footer-col a:hover{color:var(--primary)}
.footer-col p{color:var(--text-soft);font-size:.9rem;margin-top:12px;max-width:320px}
.footer-bottom{
  border-top:1px solid var(--border);padding:24px 0;
  color:var(--text-dim);font-size:.85rem;
}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ---------- Floating ---------- */
.to-top{
  position:fixed;bottom:24px;right:24px;z-index:50;
  width:46px;height:46px;border-radius:50%;
  background:var(--grad-1);color:white;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-lg);
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:all .3s ease;
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{transform:translateY(-4px)}
.wa-float{
  position:fixed;bottom:24px;left:24px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;color:white;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px -10px rgba(37,211,102,.6);
  transition:transform .3s ease;
  animation:wiggle 4s ease-in-out infinite;
}
.wa-float:hover{transform:scale(1.1)}
@keyframes wiggle{
  0%,94%,100%{transform:rotate(0)}
  96%{transform:rotate(-8deg)}
  98%{transform:rotate(8deg)}
}
@media(max-width:640px){
  .to-top{bottom:84px;width:42px;height:42px}
  .wa-float{bottom:24px;width:52px;height:52px}
}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in-view{opacity:1;transform:translateY(0)}

/* ---------- Selection & Scroll ---------- */
::selection{background:var(--primary);color:white}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--primary)}

/* ---------- Tool Pages ---------- */
.tool-page{padding:120px 0 80px;min-height:100vh}
.tool-hero{text-align:center;margin-bottom:48px}
.tool-hero .emoji{font-size:3.2rem;margin-bottom:16px}
.tool-hero h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:12px}
.tool-hero p{color:var(--text-soft);max-width:640px;margin:0 auto}
.tool-back{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-dim);font-size:.9rem;margin-bottom:32px;
  transition:color .2s ease;
}
.tool-back:hover{color:var(--primary)}
.tool-layout{display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:start}
@media(max-width:960px){.tool-layout{grid-template-columns:1fr}}
.tool-card-main{
  padding:32px;border-radius:20px;
  background:var(--surface);border:1px solid var(--border);
}
.tool-result{
  margin-top:24px;padding:24px;border-radius:16px;
  background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(6,182,212,.08));
  border:1px solid var(--border-strong);
}
.tool-result h3{font-size:1rem;margin-bottom:16px;color:var(--text-soft);text-transform:uppercase;letter-spacing:.1em;font-size:.85rem}
.result-big{
  font-size:clamp(2rem,4vw,2.8rem);font-weight:800;
  background:var(--grad-1);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  margin-bottom:16px;line-height:1;
}
.result-rows{display:flex;flex-direction:column;gap:8px}
.result-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 14px;border-radius:10px;background:var(--surface);
  font-size:.95rem;
}
.result-row strong{font-weight:600}
.result-row .val{color:var(--text);font-weight:600;font-family:'JetBrains Mono',monospace}
.tool-sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-box{
  padding:24px;border-radius:16px;
  background:var(--surface);border:1px solid var(--border);
}
.side-box h4{font-size:.9rem;margin-bottom:14px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-soft)}
.side-box a{display:block;padding:10px 0;color:var(--text);font-size:.95rem;border-bottom:1px solid var(--border)}
.side-box a:last-child{border-bottom:none}
.side-box a:hover{color:var(--primary)}
.tool-note{
  padding:16px;border-radius:12px;margin-top:20px;
  background:var(--surface-2);border-left:3px solid var(--primary);
  font-size:.85rem;color:var(--text-soft);line-height:1.6;
}
.tool-note strong{color:var(--text)}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.form-grid{grid-template-columns:1fr}}

/* Table for amortization etc. */
.tbl-wrap{overflow-x:auto;margin-top:24px;border-radius:12px;border:1px solid var(--border)}
table.tbl{width:100%;border-collapse:collapse;font-size:.88rem}
table.tbl th,table.tbl td{padding:10px 14px;text-align:right;border-bottom:1px solid var(--border)}
table.tbl th{background:var(--surface-2);font-weight:600;color:var(--text-soft);letter-spacing:.02em;font-size:.8rem;text-transform:uppercase}
table.tbl td:first-child,table.tbl th:first-child{text-align:left}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tr:hover td{background:var(--surface)}

/* Radio / toggle groups */
.toggle-group{display:flex;gap:4px;background:var(--surface-2);padding:4px;border-radius:12px;width:fit-content}
.toggle-group input{display:none}
.toggle-group label{
  padding:8px 16px;border-radius:8px;font-size:.9rem;font-weight:500;
  cursor:pointer;color:var(--text-soft);transition:all .2s ease;
}
.toggle-group input:checked+label{background:var(--bg);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.15)}

/* ---------- Reduce motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}