/* ==========================================================================
   Livista360 — Ana Stil (Nihai Sürüm)
   Ana renk: Lacivert (#0f2a4a) | Vurgu: Yeşil (#16a34a)
   ========================================================================== */

:root{
  --c-primary:      #0f2a4a;
  --c-primary-dark: #081a33;
  --c-primary-soft: #1e3a5f;
  --c-accent:       #16a34a;
  --c-accent-light: #22c55e;
  --c-accent-dark:  #15803d;

  --c-bg:           #ffffff;
  --c-bg-soft:      #f1f5f9;
  --c-bg-alt:       #e2e8f0;
  --c-text:         #0f172a;
  --c-text-muted:   #64748b;
  --c-border:       #e2e8f0;

  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-serif:'Playfair Display', Georgia, serif;

  --maxw: 1200px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(15,42,74,.06);
  --shadow-md: 0 8px 28px rgba(15,42,74,.10);
  --shadow-lg: 0 20px 60px rgba(15,42,74,.14);
  --trans: .3s cubic-bezier(.4,0,.2,1);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:140px}
body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}

/* ---- Tipografi ---- */
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--c-text);letter-spacing:-.02em}
h1{font-size:clamp(1.9rem,4vw,3rem);font-weight:800}
h2{font-size:clamp(1.5rem,2.8vw,2.2rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem)}
p{color:var(--c-text-muted)}
.section-title{text-align:center;max-width:820px;margin:0 auto 3rem}
.section-title h2{margin-bottom:.8rem}
.section-title p{font-size:1.05rem}

/* ---- Layout ---- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:5rem 0}
section.alt{background:var(--c-bg-soft)}
section.dark{background:var(--c-primary);color:#fff}

/* ---- TOPBAR (Marka + İletişim) ---- */
.topbar{
  background:var(--c-primary);color:#fff;
  padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap;
}
.brand-block{display:flex;align-items:center;gap:1rem;flex-shrink:0}
.brand-logo{height:72px;width:auto;flex-shrink:0}
.brand-text-block{display:flex;flex-direction:column;gap:.15rem;min-width:0}
.brand-title{font-size:1.55rem;font-weight:800;color:#fff;line-height:1.05;letter-spacing:-.02em}
.brand-title span{color:var(--c-accent-light)}
.brand-subtitle{font-size:.72rem;color:rgba(255,255,255,.82);line-height:1.35;max-width:520px}
.brand-location{font-size:.72rem;color:var(--c-accent-light);font-weight:700;letter-spacing:.04em;margin-top:.15rem}

.topbar-right{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;flex-shrink:0}
.topbar-right .logo2{height:44px;width:auto;background:#fff;padding:.3rem .5rem;border-radius:8px}
.topbar-right a{color:rgba(255,255,255,.92);font-weight:500;font-size:.85rem;display:inline-flex;align-items:center;gap:.35rem;transition:color var(--trans)}
.topbar-right a:hover{color:var(--c-accent-light)}
.lang-switch{display:flex;gap:.15rem;background:rgba(255,255,255,.14);border-radius:999px;padding:.2rem}
.lang-switch a{padding:.28rem .7rem;border-radius:999px;font-size:.75rem;font-weight:700;color:rgba(255,255,255,.75);transition:all var(--trans)}
.lang-switch a.active{background:var(--c-accent);color:#fff}

/* ---- NAVBAR (Ortalanmış Menü) ---- */
.navbar{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.98);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--c-border);
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:.7rem 24px;
  display:flex;justify-content:center;align-items:center;position:relative;
}
.nav-menu{display:flex;gap:.35rem;align-items:center;flex-wrap:wrap;justify-content:center}
.nav-menu > li{position:relative}
.nav-menu > li > a{
  padding:.55rem .95rem;border-radius:8px;font-weight:500;font-size:.9rem;
  color:var(--c-text);transition:all var(--trans);display:inline-flex;align-items:center;gap:.3rem;
}
.nav-menu > li > a:hover,
.nav-menu > li.active > a{background:var(--c-bg-soft);color:var(--c-primary)}
.nav-menu > li > a.has-dropdown::after{
  content:"";width:5px;height:5px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);margin-left:2px;margin-top:-3px;transition:transform var(--trans);
}
.nav-menu > li:hover > a.has-dropdown::after{transform:rotate(225deg);margin-top:2px}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:250px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-md);
  border:1px solid var(--c-border);padding:.5rem;
  opacity:0;visibility:hidden;transition:all var(--trans);z-index:20;
}
.nav-menu > li:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:.65rem .9rem;border-radius:8px;font-size:.9rem;color:var(--c-text);transition:all var(--trans)}
.dropdown a:hover{background:var(--c-bg-soft);color:var(--c-primary);padding-left:1.15rem}

.nav-cta{
  background:var(--c-primary);color:#fff!important;
  padding:.65rem 1.25rem!important;border-radius:999px;font-weight:600!important;
}
.nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(15,42,74,.3)}

.hamburger{
  display:none;flex-direction:column;gap:5px;padding:.5rem;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
}
.hamburger span{width:24px;height:2px;background:var(--c-primary);transition:all var(--trans);border-radius:2px}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}

/* ---- HERO (Ana sayfa) ---- */
.hero{position:relative;padding:4rem 0 5rem;background:var(--c-bg-soft);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 90% 10%,rgba(22,163,74,.07),transparent 45%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero h1{color:var(--c-primary);margin-bottom:1rem;font-size:clamp(1.7rem,3.2vw,2.5rem)}
.hero h1 .accent{
  color:var(--c-accent);display:block;font-size:.55em;font-weight:700;
  letter-spacing:.08em;margin-top:.8rem;text-transform:uppercase;
}
.hero .lede{font-size:1.05rem;color:var(--c-text-muted);margin-bottom:2rem;max-width:640px}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap}
.hero-visual img{
  width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  border:1px solid var(--c-border);
}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.9rem 1.7rem;border-radius:8px;font-weight:600;font-size:.95rem;transition:all var(--trans);cursor:pointer}
.btn-primary{background:var(--c-accent);color:#fff;border-radius:8px}
.btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(22,163,74,.35)}
.btn-outline{border:2px solid var(--c-primary);color:var(--c-primary);border-radius:8px;background:#fff}
.btn-outline:hover{background:var(--c-primary);color:#fff}
.btn-dark{background:var(--c-primary);color:#fff;border-radius:8px}
.btn-dark:hover{background:var(--c-primary-dark);transform:translateY(-2px)}

/* ---- Grid & Kart ---- */
.grid{display:grid;gap:1.8rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:2rem;transition:all var(--trans);position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-primary)}
.card-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;background:rgba(15,42,74,.08);
  color:var(--c-primary);font-weight:800;font-size:1.1rem;margin-bottom:1.2rem;
}
.card h3{margin-bottom:.65rem;font-size:1.15rem;color:var(--c-primary)}
.card p{font-size:.95rem}

/* ---- 5 Boyut (Ana sayfa kartları) ---- */
.dimensions{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
.dimension{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:1.5rem 1.2rem;text-align:left;transition:all var(--trans);
  border-top:4px solid var(--c-primary);
}
.dimension:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-top-color:var(--c-accent)}
.dimension .letter{font-family:var(--font-serif);font-size:2.4rem;font-weight:800;color:var(--c-primary);line-height:1;margin-bottom:.6rem}
.dimension h4{font-size:1rem;color:var(--c-primary);margin-bottom:.5rem}
.dimension p{font-size:.82rem;line-height:1.55}

/* ---- 5 Ana Sütun (YATAY list) ---- */
.sutun-list{display:flex;flex-direction:column;gap:1rem}
.sutun-item{
  display:grid;grid-template-columns:80px 1fr;gap:1.5rem;align-items:flex-start;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:1.5rem 1.8rem;transition:all var(--trans);
  border-left:4px solid var(--c-primary);
}
.sutun-item:hover{box-shadow:var(--shadow-md);border-left-color:var(--c-accent);transform:translateX(4px)}
.sutun-letter{
  display:flex;align-items:center;justify-content:center;
  width:64px;height:64px;border-radius:14px;
  background:var(--c-primary);color:#fff;
  font-family:var(--font-serif);font-size:1.9rem;font-weight:800;flex-shrink:0;
}
.sutun-item h3{font-size:1.1rem;color:var(--c-primary);margin-bottom:.6rem}
.sutun-item p{font-size:.92rem;margin-bottom:.5rem;line-height:1.6}
.sutun-item p:last-child{margin-bottom:0}

/* ---- Steps ---- */
.steps{display:grid;gap:1.2rem}
.step{
  display:grid;grid-template-columns:60px 1fr;gap:1.4rem;align-items:flex-start;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:1.5rem 1.8rem;transition:all var(--trans);
}
.step:hover{border-color:var(--c-primary);box-shadow:var(--shadow-sm)}
.step-num{
  width:52px;height:52px;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.15rem;flex-shrink:0;
}
.step h3{font-size:1.05rem;margin-bottom:.3rem;color:var(--c-primary)}
.step p{font-size:.92rem}

/* ---- Levels ---- */
.levels{display:grid;gap:1rem}
.level{
  display:grid;grid-template-columns:auto 1fr auto;gap:1.5rem;align-items:center;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:1.4rem 1.8rem;transition:all var(--trans);
}
.level:hover{transform:translateX(6px);border-color:var(--c-primary)}
.level-badge{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.4rem;color:#fff;flex-shrink:0;
}
.lvl-1{background:#94a3b8}
.lvl-2{background:#64748b}
.lvl-3{background:var(--c-primary-soft)}
.lvl-4{background:var(--c-primary)}
.lvl-5{background:var(--c-accent)}
.level h3{font-size:1.05rem;margin-bottom:.25rem;color:var(--c-primary)}
.level p{font-size:.9rem}
.level-tag{
  font-size:.75rem;font-weight:700;padding:.35rem .8rem;border-radius:999px;
  background:var(--c-bg-soft);color:var(--c-text-muted);white-space:nowrap;
}

/* ---- Checklist ---- */
.checklist{display:grid;gap:.9rem}
.checklist li{display:flex;gap:.8rem;align-items:flex-start;font-size:.98rem;color:var(--c-text)}
.checklist li::before{
  content:"";width:22px;height:22px;flex-shrink:0;margin-top:2px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") no-repeat center/contain;
}

/* ---- Tablo ---- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--c-border);background:#fff}
table.compare{width:100%;border-collapse:collapse;font-size:.9rem;min-width:840px}
table.compare th,table.compare td{padding:1rem 1.1rem;text-align:left;border-bottom:1px solid var(--c-border);vertical-align:top}
table.compare thead th{background:var(--c-primary);color:#fff;font-weight:600;font-size:.88rem}
table.compare thead th:nth-child(2){background:var(--c-primary-soft)}
table.compare thead th:nth-child(3){background:var(--c-accent)}
table.compare thead th:last-child{background:var(--c-accent-dark)}
table.compare tbody tr:hover{background:var(--c-bg-soft)}
table.compare td:first-child{font-weight:600;color:var(--c-primary)}

/* ---- FAQ ---- */
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);margin-bottom:.9rem;overflow:hidden;transition:all var(--trans)}
.faq-item.open{border-color:var(--c-primary);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;text-align:left;padding:1.3rem 1.6rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  font-weight:600;font-size:1rem;color:var(--c-primary);
}
.faq-q::after{content:"+";font-size:1.5rem;color:var(--c-accent);transition:transform var(--trans);flex-shrink:0;font-weight:300}
.faq-item.open .faq-q::after{content:"−";transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease;padding:0 1.6rem}
.faq-item.open .faq-a{max-height:700px;padding:0 1.6rem 1.5rem}
.faq-a p{font-size:.95rem}

/* ---- CTA Banner ---- */
.cta-banner{
  background:var(--c-primary);border-radius:var(--radius-lg);padding:3.2rem 2.5rem;
  text-align:center;color:#fff;position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 20%,rgba(22,163,74,.25),transparent 55%);
}
.cta-banner > *{position:relative;z-index:1}
.cta-banner h2{color:#fff;margin-bottom:1rem}
.cta-banner p{color:rgba(255,255,255,.9);max-width:620px;margin:0 auto 2rem;font-size:1.05rem}

/* ---- Footer ---- */
footer{background:var(--c-primary-dark);color:rgba(255,255,255,.75);padding:4rem 0 1.5rem}
footer h4{color:#fff;font-size:1rem;margin-bottom:1.2rem;font-weight:700}
footer p{color:rgba(255,255,255,.75);font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.2fr;gap:2.5rem;margin-bottom:3rem}
footer ul li{margin-bottom:.55rem}
footer ul a{color:rgba(255,255,255,.75);font-size:.9rem;transition:color var(--trans)}
footer ul a:hover{color:var(--c-accent-light)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:1.5rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;
  font-size:.82rem;color:rgba(255,255,255,.6);
}
.geo-anchor{font-size:.78rem;color:rgba(255,255,255,.6);margin-top:.6rem;font-style:italic}

/* ---- Chat ---- */
.chat-bubble{
  position:fixed;bottom:24px;right:24px;z-index:999;width:60px;height:60px;border-radius:50%;
  background:var(--c-accent);display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(22,163,74,.45);cursor:pointer;transition:all var(--trans);color:#fff;
}
.chat-bubble:hover{transform:scale(1.08);box-shadow:0 14px 40px rgba(22,163,74,.6)}
.chat-bubble svg{width:28px;height:28px}
.chat-bubble::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--c-accent);animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.35);opacity:0}}
.chat-panel{
  position:fixed;bottom:100px;right:24px;z-index:999;width:340px;max-width:calc(100vw - 48px);
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  overflow:hidden;transform-origin:bottom right;transform:scale(.85);opacity:0;visibility:hidden;
  transition:all var(--trans);
}
.chat-panel.open{transform:scale(1);opacity:1;visibility:visible}
.chat-head{background:var(--c-primary);color:#fff;padding:1.3rem 1.5rem}
.chat-head h4{color:#fff;font-size:1rem;margin-bottom:.2rem}
.chat-head p{color:rgba(255,255,255,.85);font-size:.82rem}
.chat-body{padding:1.3rem 1.5rem}
.chat-options{display:grid;gap:.6rem}
.chat-options a{
  display:flex;align-items:center;gap:.7rem;padding:.85rem 1rem;border-radius:10px;
  border:1px solid var(--c-border);font-size:.9rem;font-weight:500;transition:all var(--trans);
}
.chat-options a:hover{background:var(--c-bg-soft);border-color:var(--c-primary);transform:translateX(3px)}
.chat-options svg{width:20px;height:20px;color:var(--c-accent);flex-shrink:0}

/* ---- Reveal ---- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---- Page Hero ---- */
.page-hero{
  background:var(--c-bg-soft);padding:3.5rem 0 3rem;position:relative;
  border-bottom:1px solid var(--c-border);
}
.page-hero .container{position:relative;z-index:2;max-width:900px}
.page-hero h1{color:var(--c-primary);margin-bottom:1rem}
.page-hero .lede{color:var(--c-text-muted);font-size:1.05rem;max-width:820px}
.breadcrumb{font-size:.85rem;color:var(--c-text-muted);margin-bottom:1.2rem;display:flex;gap:.5rem;flex-wrap:wrap}
.breadcrumb a{color:var(--c-primary);font-weight:500}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb span{color:var(--c-text-muted);opacity:.6}

/* ---- Badge ---- */
.badge{display:inline-block;padding:.4rem 1rem;border-radius:999px;font-size:.8rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase}
.badge-soon{background:var(--c-accent);color:#fff;font-size:1.05rem;padding:.65rem 1.5rem;letter-spacing:.08em;animation:blink 2s infinite}
@keyframes blink{50%{opacity:.7}}

/* ---- İletişim Formu ---- */
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:3rem;align-items:flex-start}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.5rem;color:var(--c-primary)}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:.9rem 1.1rem;border:1px solid var(--c-border);border-radius:10px;
  font-family:inherit;font-size:.95rem;color:var(--c-text);background:#fff;
  transition:border-color var(--trans),box-shadow var(--trans);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,42,74,.1);
}
.form-group textarea{min-height:140px;resize:vertical}
.form-check{display:flex;align-items:flex-start;gap:.6rem;font-size:.85rem;color:var(--c-text-muted);margin-bottom:1.5rem}
.form-check input{margin-top:.25rem}
.contact-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);
  padding:1.6rem 1.8rem;margin-bottom:1.2rem;display:flex;gap:1rem;align-items:flex-start;
  transition:all var(--trans);
}
.contact-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.contact-card .ico{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  background:rgba(15,42,74,.08);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:1.15rem;
}
.contact-card h4{font-size:.95rem;margin-bottom:.2rem;color:var(--c-primary)}
.contact-card p,.contact-card a{font-size:.9rem;color:var(--c-text-muted);word-break:break-word}
.contact-card a:hover{color:var(--c-accent)}

/* ---- Kurucu ---- */
.founder-photo{
  width:100%;max-width:320px;margin:0 auto;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);border:1px solid var(--c-border);
}
.founder-grid{display:grid;grid-template-columns:320px 1fr;gap:3rem;align-items:center;max-width:900px;margin:0 auto}

/* ---- Responsive ---- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .dimensions{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr;gap:2.5rem}
  .founder-grid{grid-template-columns:1fr;text-align:center}
}
@media (max-width:820px){
  .topbar-inner{flex-direction:column;align-items:flex-start;gap:1rem}
  .topbar-right{width:100%}
  .brand-logo{height:56px}
  .brand-title{font-size:1.3rem}
  .nav-inner{padding:.6rem 60px .6rem 24px;justify-content:flex-start}
  .nav-menu{
    position:fixed;top:0;right:-100%;width:min(320px,85vw);height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:5rem 1.5rem 2rem;gap:.4rem;transition:right .35s ease;
    box-shadow:-20px 0 40px rgba(0,0,0,.1);overflow-y:auto;
  }
  .nav-menu.open{right:0}
  .nav-menu > li > a{padding:.9rem 1rem;font-size:1rem;justify-content:space-between}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:.2rem 0 .6rem .8rem;min-width:0;display:none}
  .nav-menu > li.open .dropdown{display:block}
  .hamburger{display:flex}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .dimensions{grid-template-columns:repeat(2,1fr)}
  .sutun-item{grid-template-columns:1fr;gap:1rem}
  .level{grid-template-columns:auto 1fr;gap:1rem}
  .level-tag{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  section{padding:3.5rem 0}
  .hero{padding:3rem 0 4rem}
}
@media (max-width:520px){
  .dimensions{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .step,.sutun-item{grid-template-columns:1fr;gap:.8rem}
  .chat-panel{right:12px;left:12px;width:auto}
  .brand-logo{height:48px}
}
/* Eski özel sohbet balonu devre dışı — Crisp kullanılıyor */
.chat-bubble, .chat-panel { display: none !important; }