/* TES Sızdırmazlık - styles */
:root{
  --navy:#0a2540;
  --navy-deep:#061a30;
  --steel:#7a8694;
  --steel-light:#dee3ea;
  --copper:#c97a3a;
  --copper-soft:rgba(201,122,58,.15);
  --bone:#fafaf7;
  --whatsapp:#25d366;
  --whatsapp-hover:#1ebe57;
  --border:#e3e6ec;
  --muted:#6b7480;
  --card:#ffffff;
  --radius:.5rem;
  --font-display:"Space Grotesk",ui-sans-serif,system-ui,sans-serif;
  --font-sans:"Inter",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bone);color:var(--navy-deep);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;line-height:1.5}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;margin:0}
p{margin:0}
address{font-style:normal}

.container{max-width:1200px;margin:0 auto;padding:0 1.25rem}
@media(min-width:768px){.container{padding:0 2rem}}

.icon{width:16px;height:16px;flex:none}
.icon-lg{width:24px;height:24px}
.icon-xl{width:28px;height:28px}
.accent{color:var(--copper)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.55rem .85rem;border-radius:var(--radius);font-weight:600;font-size:.875rem;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-lg{padding:.85rem 1.25rem;font-size:.95rem}
.btn-whatsapp{background:var(--whatsapp);color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.btn-whatsapp:hover{background:var(--whatsapp-hover)}
.btn-ghost{color:var(--navy)}
.btn-ghost:hover{background:var(--steel-light)}
.btn-outline-light{border-color:rgba(250,250,247,.25);color:var(--bone)}
.btn-outline-light:hover{background:rgba(250,250,247,.1)}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(250,250,247,.88);backdrop-filter:blur(8px);border-bottom:1px solid rgba(227,230,236,.7)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1.25rem}
@media(min-width:768px){.header-inner{padding:.75rem 2rem}}
.brand{display:flex;align-items:center;gap:.75rem}
.brand img{width:40px;height:40px;object-fit:contain}
.brand-text{display:none;flex-direction:column;line-height:1.1}
@media(min-width:640px){.brand-text{display:flex}}
.brand-name{font-family:var(--font-display);font-weight:700;color:var(--navy);font-size:1rem}
.brand-name em{font-style:normal;font-weight:500;color:var(--steel)}
.brand-name.small{font-size:.875rem}
.brand-sub{font-size:.625rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted)}
.brand-sub.small{font-size:.7rem;text-transform:none;letter-spacing:0}
.main-nav{display:none;gap:1.75rem;font-size:.875rem;font-weight:500;color:var(--navy)}
@media(min-width:768px){.main-nav{display:flex}}
.main-nav a:hover{color:var(--copper)}
.header-actions{display:flex;align-items:center;gap:.5rem}
.hide-sm{display:none}
@media(min-width:768px){.hide-sm{display:inline-flex}}
@media(max-width:639px){.hide-xs{display:none}}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:var(--bone)}
.hero-inner{position:relative;display:grid;gap:3rem;padding:5rem 1.25rem}
@media(min-width:768px){.hero-inner{grid-template-columns:1.2fr 1fr;padding:7rem 2rem}}
.hero-glow{position:absolute;right:-8rem;top:50%;transform:translateY(-50%);width:640px;height:640px;border-radius:50%;background:radial-gradient(circle at center,rgba(201,122,58,.28),transparent 60%);display:none}
@media(min-width:768px){.hero-glow{display:block}}
.chip{display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(250,250,247,.2);background:rgba(250,250,247,.06);padding:.25rem .75rem;border-radius:999px;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:rgba(250,250,247,.8)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--copper)}
.hero h1{margin-top:1.5rem;font-size:clamp(2.25rem,4.5vw,3.75rem);font-weight:700;line-height:1.05}
.hero p{margin-top:1.5rem;max-width:36rem;color:rgba(250,250,247,.78);font-size:1.05rem}
.cta-row{margin-top:2.25rem;display:flex;flex-wrap:wrap;gap:.75rem}
.stats{margin-top:2.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;max-width:28rem;border-top:1px solid rgba(250,250,247,.15);padding-top:1.5rem}
.stat-label{display:block;font-size:.65rem;text-transform:uppercase;letter-spacing:.16em;color:rgba(250,250,247,.55)}
.stat-value{display:block;margin-top:.25rem;font-family:var(--font-display);font-weight:600;font-size:.875rem;color:var(--bone)}
.hero-art{position:relative;display:flex;align-items:center;justify-content:center}
.hero-art img{max-width:320px;filter:drop-shadow(0 8px 30px rgba(0,0,0,.35))}

/* Blueprint backgrounds */
.blueprint,.blueprint-dense{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(to right,rgba(10,37,64,.06) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(10,37,64,.06) 1px,transparent 1px);
  background-size:56px 56px}
.blueprint-dense{opacity:.3;
  background-image:
    linear-gradient(to right,rgba(250,250,247,.08) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(250,250,247,.08) 1px,transparent 1px);
  background-size:40px 40px}

/* Sections */
.section{position:relative;padding:5rem 0}
@media(min-width:768px){.section{padding:7rem 0}}
.section-light{background:var(--bone);color:var(--navy-deep)}
.section-dark{background:var(--navy-deep);color:var(--bone)}
.section-dark .section-title{color:var(--bone)}
.section > .container{position:relative}
.section-label{display:inline-flex;align-items:center;gap:.5rem;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.22em;color:var(--copper)}
.section-label .rule{display:block;width:2rem;height:1px;background:rgba(201,122,58,.6)}
.section-title{margin-top:.75rem;max-width:48rem;font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;line-height:1.15;color:var(--navy)}
.section-title.light{color:var(--bone)}

/* About */
.about-grid{margin-top:3rem;display:grid;gap:2.5rem}
@media(min-width:768px){.about-grid{grid-template-columns:1.5fr 1fr}}
.about-copy{display:grid;gap:1.25rem;font-size:.95rem;line-height:1.7;color:rgba(6,26,48,.85)}
.about-copy strong{color:var(--navy)}
.claims{display:grid;gap:1rem;align-self:start}
.claim{border:1px solid var(--border);background:var(--card);border-radius:.75rem;padding:1.25rem}
.claim-icon{width:2.5rem;height:2.5rem;border-radius:.5rem;background:var(--navy);color:var(--bone);display:flex;align-items:center;justify-content:center}
.claim-icon .icon{width:20px;height:20px}
.claim-title{margin-top:.75rem;font-family:var(--font-display);font-weight:600;color:var(--navy)}
.claim p{margin-top:.25rem;font-size:.85rem;color:var(--muted);line-height:1.55}

/* Products */
.product-groups{margin-top:3.5rem;display:grid;gap:2.5rem}
.product-group{overflow:hidden;border:1px solid rgba(250,250,247,.1);background:rgba(250,250,247,.03);border-radius:1rem}
.product-group > *{padding:0}
.product-group{display:grid;gap:1.5rem;padding:1.5rem}
@media(min-width:768px){.product-group{grid-template-columns:280px 1fr;gap:2.5rem;padding:2.5rem}}
.pg-head{position:relative}
@media(min-width:768px){.pg-head{border-right:1px solid rgba(250,250,247,.1);padding-right:2.5rem}}
.pg-no-row{display:flex;align-items:center;gap:.75rem}
.pg-no{font-family:var(--font-display);font-size:1.75rem;font-weight:600;color:var(--copper)}
.pg-line{height:1px;flex:1;background:rgba(250,250,247,.15)}
.pg-icon{margin-top:1.25rem;width:3rem;height:3rem;border-radius:.625rem;background:var(--copper-soft);color:var(--copper);display:flex;align-items:center;justify-content:center}
.pg-icon .icon{width:22px;height:22px}
.pg-head h3{margin-top:1rem;font-size:1.4rem;font-weight:700;line-height:1.2;color:var(--bone)}
.pg-items{display:grid;gap:1.25rem}
@media(min-width:640px){.pg-items{grid-template-columns:1fr 1fr}}
.pg-item{border-left:2px solid rgba(201,122,58,.4);padding-left:1rem}
.pg-item-name{font-family:var(--font-display);font-weight:600;color:var(--bone)}
.pg-item p{margin-top:.4rem;font-size:.85rem;line-height:1.55;color:rgba(250,250,247,.72)}

/* Why */
.why-grid{margin-top:3rem;display:grid;gap:1.25rem;grid-template-columns:1fr}
@media(min-width:640px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.why-grid{grid-template-columns:repeat(4,1fr)}}
.why-card{border:1px solid var(--border);background:var(--card);border-radius:.75rem;padding:1.5rem;transition:border-color .2s}
.why-card:hover{border-color:rgba(201,122,58,.5)}
.why-icon{width:2.75rem;height:2.75rem;border-radius:.5rem;background:var(--steel-light);color:var(--navy);display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s}
.why-card:hover .why-icon{background:var(--navy);color:var(--bone)}
.why-icon .icon{width:20px;height:20px}
.why-title{margin-top:1rem;font-family:var(--font-display);font-weight:600;color:var(--navy);font-size:1.05rem}
.why-card p{margin-top:.4rem;font-size:.875rem;color:var(--muted);line-height:1.55}

/* Contact */
.contact-grid{margin-top:3rem;display:grid;gap:1.5rem}
@media(min-width:768px){.contact-grid{grid-template-columns:1fr 1fr}}
.contact-card{border:1px solid rgba(250,250,247,.1);background:rgba(250,250,247,.04);border-radius:1rem;padding:2rem}
.contact-kicker{font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:rgba(250,250,247,.55)}
.contact-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-radius:.75rem;padding:1.25rem 1.5rem;font-weight:600;margin-top:1rem;transition:background .2s}
.contact-wa{background:var(--whatsapp);color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.2)}
.contact-wa:hover{background:var(--whatsapp-hover)}
.contact-mail{border:1px solid rgba(250,250,247,.15);color:var(--bone)}
.contact-mail:hover{background:rgba(250,250,247,.05)}
.cr-left{display:flex;align-items:center;gap:.75rem}
.cr-kicker{display:block;font-size:.7rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;opacity:.75}
.cr-title{display:block;font-size:1rem}
.address-row{margin-top:1.25rem;display:flex;gap:1rem}
.address-icon{width:2.75rem;height:2.75rem;flex:none;border-radius:.5rem;background:var(--copper-soft);color:var(--copper);display:flex;align-items:center;justify-content:center}
.address-row address{font-family:var(--font-display);font-size:1.1rem;line-height:1.55}
.map-link{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.5rem;font-size:.875rem;font-weight:600;color:var(--bone)}
.map-link:hover{text-decoration:underline;text-underline-offset:4px}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:var(--bone);padding:2.5rem 0}
.footer-inner{display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:1.5rem}
@media(min-width:768px){.footer-inner{flex-direction:row;align-items:center}}
.footer-inner .brand img{width:36px;height:36px}
.copyright{font-size:.75rem;color:var(--muted)}
.muted{opacity:.7;margin-left:.5rem}

/* Floating WhatsApp */
.fab-whatsapp{position:fixed;bottom:1.25rem;right:1.25rem;z-index:50;width:56px;height:56px;border-radius:50%;background:var(--whatsapp);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(0,0,0,.28);transition:transform .2s,background .2s}
.fab-whatsapp:hover{transform:scale(1.05);background:var(--whatsapp-hover)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* Contact — telefon satırı */
.contact-phone{border:1px solid rgba(250,250,247,.15);color:var(--bone)}
.contact-phone:hover{background:rgba(250,250,247,.05)}

/* SSS (FAQ) */
.section-faq{padding-top:0}
@media(min-width:768px){.section-faq{padding-top:0}}
.faq-list{margin-top:3rem;display:grid;gap:.75rem;max-width:48rem}
.faq-item{border:1px solid var(--border);background:var(--card);border-radius:.75rem;overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:rgba(201,122,58,.5)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;cursor:pointer;list-style:none;padding:1.2rem 1.4rem;font-family:var(--font-display);font-weight:600;font-size:1.02rem;color:var(--navy)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--copper)}
.faq-toggle{position:relative;width:18px;height:18px;flex:none}
.faq-toggle::before,.faq-toggle::after{content:"";position:absolute;background:var(--copper);border-radius:2px}
.faq-toggle::before{top:8px;left:2px;width:14px;height:2px}
.faq-toggle::after{top:2px;left:8px;width:2px;height:14px;transition:transform .2s ease}
.faq-item[open] .faq-toggle::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 1.4rem 1.3rem;font-size:.92rem;line-height:1.7;color:rgba(6,26,48,.82)}
@media(prefers-reduced-motion:reduce){.faq-toggle::after{transition:none}}