/* ============================================
   ATC Halı Yıkama – style.css
   Renk Teması: Mavi-Beyaz
   PageSpeed Optimized | Mobile First
   ============================================ */

/* --- RESET & BASE --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;color:#1e293b;background:#fff;line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .2s}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,select,textarea{font-family:inherit;font-size:1rem}
table{width:100%;border-collapse:collapse}

/* --- CSS VARIABLES --- */
:root{
  --blue-50:#eff6ff;
  --blue-100:#dbeafe;
  --blue-200:#bfdbfe;
  --blue-300:#93c5fd;
  --blue-400:#60a5fa;
  --blue-500:#3b82f6;
  --blue-600:#2563eb;
  --blue-700:#1d4ed8;
  --blue-800:#1e40af;
  --blue-900:#1e3a8a;
  --white:#ffffff;
  --gray-50:#f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-300:#cbd5e1;
  --gray-400:#94a3b8;
  --gray-500:#64748b;
  --gray-600:#475569;
  --gray-700:#334155;
  --gray-800:#1e293b;
  --gray-900:#0f172a;
  --green-500:#22c55e;
  --green-600:#16a34a;
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);
  --shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);
  --radius:0.75rem;
  --radius-lg:1rem;
  --radius-xl:1.5rem;
  --transition:0.25s cubic-bezier(.4,0,.2,1);
}

/* --- CONTAINER --- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.25rem}

/* --- BUTTONS --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:.938rem;border-radius:var(--radius);padding:.75rem 1.5rem;transition:all var(--transition);white-space:nowrap;border:2px solid transparent}
.btn--primary{background:var(--blue-600);color:var(--white);border-color:var(--blue-600)}
.btn--primary:hover{background:var(--blue-700);border-color:var(--blue-700);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn--outline{background:transparent;color:var(--blue-600);border-color:var(--blue-600)}
.btn--outline:hover{background:var(--blue-600);color:var(--white);transform:translateY(-1px)}
.btn--lg{padding:.875rem 2rem;font-size:1rem}
.btn--full{width:100%}

/* ============================================
   HEADER
   ============================================ */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--gray-200);transition:box-shadow var(--transition)}
.header.scrolled{box-shadow:var(--shadow-md)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.header__logo{display:flex;align-items:baseline;gap:.35rem}
.logo-text{font-size:1.5rem;font-weight:800;color:var(--blue-600);letter-spacing:-.02em}
.logo-sub{font-size:.85rem;font-weight:600;color:var(--gray-600)}

.header__nav{display:none}
@media(min-width:1024px){
  .header__nav{display:block}
}
.nav-list{display:flex;align-items:center;gap:.25rem}
.nav-list>li>a,.nav-dropdown__btn{font-size:.875rem;font-weight:500;color:var(--gray-700);padding:.5rem .75rem;border-radius:var(--radius);transition:all var(--transition);display:flex;align-items:center;gap:.35rem}
.nav-list>li>a:hover,.nav-dropdown__btn:hover{color:var(--blue-600);background:var(--blue-50)}

/* Dropdown */
.nav-dropdown{position:relative}
.nav-dropdown__menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:240px;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);padding:.5rem;max-height:400px;overflow-y:auto;z-index:100}
.nav-dropdown:hover .nav-dropdown__menu,.nav-dropdown__btn[aria-expanded="true"]+.nav-dropdown__menu{display:block}
.nav-dropdown__menu li a{display:block;font-size:.8125rem;padding:.5rem .75rem;color:var(--gray-700);border-radius:calc(var(--radius) - 2px);transition:all var(--transition)}
.nav-dropdown__menu li a:hover{background:var(--blue-50);color:var(--blue-600)}
.dropdown-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--gray-400);padding:.75rem .75rem .25rem;pointer-events:none}

.header__cta{display:none;align-items:center;gap:.5rem;font-weight:700;font-size:.875rem;color:var(--blue-600);padding:.5rem 1rem;border:2px solid var(--blue-600);border-radius:var(--radius);transition:all var(--transition)}
.header__cta:hover{background:var(--blue-600);color:var(--white)}
@media(min-width:768px){.header__cta{display:inline-flex}}

/* Hamburger */
.header__hamburger{display:flex;flex-direction:column;gap:5px;padding:8px;width:40px;height:40px;justify-content:center;align-items:center}
.header__hamburger span{display:block;width:22px;height:2px;background:var(--gray-700);border-radius:2px;transition:all .3s}
.header__hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.header__hamburger.active span:nth-child(2){opacity:0}
.header__hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
@media(min-width:1024px){.header__hamburger{display:none}}

/* Mobile Nav */
.header__nav.mobile-open{display:block;position:fixed;top:70px;left:0;right:0;bottom:0;background:var(--white);padding:1.5rem;overflow-y:auto;z-index:999}
.header__nav.mobile-open .nav-list{flex-direction:column;align-items:stretch;gap:0}
.header__nav.mobile-open .nav-list>li>a,.header__nav.mobile-open .nav-dropdown__btn{font-size:1rem;padding:.875rem 1rem;width:100%}
.header__nav.mobile-open .nav-dropdown__menu{position:static;transform:none;box-shadow:none;border:none;padding-left:1rem}
.header__nav.mobile-open .nav-dropdown:hover .nav-dropdown__menu{display:none}
.header__nav.mobile-open .nav-dropdown.open .nav-dropdown__menu{display:block}

/* ============================================
   HERO
   ============================================ */
.hero{position:relative;min-height:85vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(30,64,175,.92) 0%,rgba(37,99,235,.85) 50%,rgba(59,130,246,.78) 100%)}
.hero__content{position:relative;z-index:1;max-width:700px}
.hero__badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);color:var(--white);font-size:.8125rem;font-weight:600;padding:.375rem 1rem;border-radius:2rem;margin-bottom:1.25rem;backdrop-filter:blur(4px)}
.hero h1{font-size:clamp(2rem,5vw,3.25rem);font-weight:800;color:var(--white);line-height:1.15;letter-spacing:-.02em;margin-bottom:1rem}
.hero__highlight{display:block;color:var(--blue-200)}
.hero__desc{font-size:1.0625rem;color:rgba(255,255,255,.9);line-height:1.75;margin-bottom:2rem;max-width:580px}
.hero__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2.5rem}
.hero .btn--primary{background:var(--white);color:var(--blue-700);border-color:var(--white)}
.hero .btn--primary:hover{background:var(--blue-50);border-color:var(--blue-50)}
.hero .btn--outline{color:var(--white);border-color:rgba(255,255,255,.4)}
.hero .btn--outline:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.6)}
.hero__trust{display:flex;flex-wrap:wrap;gap:1.25rem}
.trust-item{display:flex;align-items:center;gap:.5rem;color:rgba(255,255,255,.85);font-size:.875rem;font-weight:500}
.trust-item svg{color:var(--blue-200);flex-shrink:0}

/* ============================================
   SECTIONS
   ============================================ */
.section{padding:5rem 0}
.section:nth-child(even){background:var(--gray-50)}
.section__header{text-align:center;max-width:640px;margin:0 auto 3rem}
.section__tag{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--blue-600);background:var(--blue-50);padding:.375rem 1rem;border-radius:2rem;margin-bottom:.75rem}
.section__header h2{font-size:clamp(1.625rem,3.5vw,2.25rem);font-weight:800;color:var(--gray-900);letter-spacing:-.02em;margin-bottom:.75rem;line-height:1.2}
.section__header p{font-size:1rem;color:var(--gray-500);line-height:1.7}

/* ============================================
   SERVICES
   ============================================ */
.services__grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:640px){.services__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.services__grid{grid-template-columns:repeat(4,1fr)}}

.service-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-200);transition:all var(--transition)}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--blue-200)}
.service-card__img{aspect-ratio:4/3;overflow:hidden}
.service-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.service-card:hover .service-card__img img{transform:scale(1.05)}
.service-card__body{padding:1.25rem}
.service-card__body h3{font-size:1.0625rem;font-weight:700;color:var(--gray-900);margin-bottom:.5rem}
.service-card__body p{font-size:.875rem;color:var(--gray-500);line-height:1.6;margin-bottom:.75rem}
.service-card__price{display:inline-block;font-size:.8125rem;font-weight:600;color:var(--blue-600);background:var(--blue-50);padding:.25rem .75rem;border-radius:2rem}

/* ============================================
   PRICING
   ============================================ */
.pricing__wrapper{display:grid;grid-template-columns:1fr;gap:2rem;align-items:start}
@media(min-width:768px){.pricing__wrapper{grid-template-columns:1fr 1fr}}

.pricing__table{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200);overflow:hidden;padding:1.5rem}
.pricing__table table{margin-bottom:1rem}
.pricing__table thead{background:var(--blue-600)}
.pricing__table th{padding:.875rem 1rem;text-align:left;font-size:.875rem;font-weight:600;color:var(--white)}
.pricing__table td{padding:.75rem 1rem;font-size:.9375rem;border-bottom:1px solid var(--gray-100)}
.pricing__table tr:last-child td{border-bottom:none}
.pricing__table tr:hover td{background:var(--blue-50)}
.pricing__note{font-size:.8125rem;color:var(--gray-400);text-align:center}

.calc-card{background:var(--white);border:2px solid var(--blue-200);border-radius:var(--radius-lg);padding:2rem}
.calc-card h3{font-size:1.25rem;font-weight:700;color:var(--gray-900);margin-bottom:1.5rem;text-align:center}
.calc-field{margin-bottom:1rem}
.calc-field label{display:block;font-size:.8125rem;font-weight:600;color:var(--gray-600);margin-bottom:.375rem}
.calc-field select,.calc-field input{width:100%;padding:.75rem 1rem;border:1.5px solid var(--gray-200);border-radius:var(--radius);font-size:.9375rem;color:var(--gray-800);background:var(--white);transition:border-color var(--transition);appearance:auto}
.calc-field select:focus,.calc-field input:focus{outline:none;border-color:var(--blue-400);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.calc-result{margin-top:1.5rem;padding:1.5rem;background:var(--blue-50);border-radius:var(--radius);text-align:center}
.calc-result__area{font-size:1rem;color:var(--gray-600);margin-bottom:.5rem}
.calc-result__price{font-size:1.5rem;font-weight:800;color:var(--blue-700);margin-bottom:.75rem}
.calc-result__note{font-size:.8125rem;color:var(--gray-400);margin-bottom:1rem}

/* ============================================
   WHY US
   ============================================ */
.why-us__grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
@media(min-width:640px){.why-us__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.why-us__grid{grid-template-columns:repeat(3,1fr)}}

.why-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:1.75rem;transition:all var(--transition)}
.why-card:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.why-card__icon{width:52px;height:52px;background:var(--blue-50);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--blue-600);margin-bottom:1rem}
.why-card h3{font-size:1.0625rem;font-weight:700;color:var(--gray-900);margin-bottom:.5rem}
.why-card p{font-size:.875rem;color:var(--gray-500);line-height:1.65}

/* ============================================
   STEPS
   ============================================ */
.steps__grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:640px){.steps__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps__grid{grid-template-columns:repeat(4,1fr)}}

.step-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;text-align:center;transition:all var(--transition)}
.step-card:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md)}
.step-card__number{width:44px;height:44px;background:var(--blue-600);color:var(--white);font-size:1.25rem;font-weight:800;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:1.5rem auto .75rem}
.step-card__img{aspect-ratio:16/10;overflow:hidden;margin:0 1rem}
.step-card__img img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
.step-card h3{font-size:1rem;font-weight:700;color:var(--gray-900);margin:1rem 1.25rem .5rem}
.step-card p{font-size:.8125rem;color:var(--gray-500);line-height:1.6;padding:0 1.25rem 1.5rem}

/* ============================================
   GALLERY
   ============================================ */
.gallery__grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:640px){.gallery__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.gallery__grid{grid-template-columns:repeat(3,1fr)}}
.gallery__item{border-radius:var(--radius-lg);overflow:hidden;background:var(--white);border:1px solid var(--gray-200)}
.gallery__item img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .4s}
.gallery__item:hover img{transform:scale(1.03)}
.gallery__item figcaption{padding:1rem;font-size:.875rem;font-weight:500;color:var(--gray-600);text-align:center}

/* ============================================
   ARTICLE
   ============================================ */
.article-content{max-width:800px;margin:0 auto;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:2.5rem}
.article-content p{font-size:1rem;color:var(--gray-600);line-height:1.8;margin-bottom:1.25rem}
.article-content h3{font-size:1.25rem;font-weight:700;color:var(--gray-900);margin:2rem 0 .75rem}

/* ============================================
   FAQ
   ============================================ */
.faq__list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:.75rem}
.faq-item{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--transition)}
.faq-item[open]{border-color:var(--blue-300)}
.faq-item__q{padding:1.25rem 1.5rem;font-size:1rem;font-weight:600;color:var(--gray-800);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;list-style:none}
.faq-item__q::-webkit-details-marker{display:none}
.faq-item__q::after{content:'+';font-size:1.25rem;font-weight:300;color:var(--blue-500);flex-shrink:0;transition:transform .2s}
.faq-item[open] .faq-item__q::after{content:'−'}
.faq-item__a{padding:0 1.5rem 1.25rem}
.faq-item__a p{font-size:.9375rem;color:var(--gray-500);line-height:1.7}

/* ============================================
   REGIONS
   ============================================ */
.regions__grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:768px){.regions__grid{grid-template-columns:1fr 1fr}}
.region-group h3{font-size:1.125rem;font-weight:700;color:var(--gray-900);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--blue-600)}
.region-links{display:flex;flex-direction:column;gap:.5rem}
.region-link{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.9375rem;font-weight:500;color:var(--gray-700);transition:all var(--transition)}
.region-link:hover{background:var(--blue-50);border-color:var(--blue-300);color:var(--blue-600);transform:translateX(4px)}
.region-link svg{color:var(--blue-400);flex-shrink:0}

/* ============================================
   CONTACT
   ============================================ */
.contact__grid{display:grid;grid-template-columns:1fr;gap:1.5rem;max-width:800px;margin:0 auto}
@media(min-width:640px){.contact__grid{grid-template-columns:repeat(3,1fr)}}
.contact-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:2rem;text-align:center;transition:all var(--transition)}
.contact-card:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md)}
.contact-card__icon{width:56px;height:56px;background:var(--blue-50);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--blue-600);margin:0 auto 1rem}
.contact-card h3{font-size:1rem;font-weight:700;color:var(--gray-900);margin-bottom:.5rem}
.contact-card a{font-size:.9375rem;font-weight:600;color:var(--blue-600);display:block;margin-bottom:.25rem}
.contact-card a:hover{color:var(--blue-700)}
.contact-card p{font-size:.8125rem;color:var(--gray-400)}

/* ============================================
   FOOTER
   ============================================ */
.footer{background:var(--gray-900);color:var(--gray-300);padding:4rem 0 0}
.footer__grid{display:grid;grid-template-columns:1fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.1)}
@media(min-width:640px){.footer__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer__grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer__brand p{font-size:.875rem;line-height:1.7;color:var(--gray-400);margin-top:1rem;max-width:320px}
.footer__logo{display:flex;align-items:baseline;gap:.35rem}
.footer__logo .logo-text{color:var(--blue-400)}
.footer__logo .logo-sub{color:var(--gray-400)}
.footer__social{display:flex;gap:.75rem;margin-top:1.25rem}
.footer__social a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);border-radius:var(--radius);color:var(--gray-400);transition:all var(--transition)}
.footer__social a:hover{background:var(--blue-600);color:var(--white)}
.footer__links h4{font-size:.875rem;font-weight:700;color:var(--white);margin-bottom:1rem;text-transform:uppercase;letter-spacing:.05em}
.footer__links ul{display:flex;flex-direction:column;gap:.5rem}
.footer__links a{font-size:.875rem;color:var(--gray-400);transition:color var(--transition)}
.footer__links a:hover{color:var(--blue-400)}
.footer__bottom{padding:1.5rem 0;text-align:center}
.footer__bottom p{font-size:.8125rem;color:var(--gray-500)}

/* ============================================
   FABs (WhatsApp + Phone)
   ============================================ */
.fab-whatsapp{position:fixed;bottom:100px;right:20px;z-index:900;width:56px;height:56px;background:#25d366;color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(37,211,102,.4);transition:all var(--transition);animation:fabPulse 2s infinite}
.fab-whatsapp:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(37,211,102,.5)}
.fab-phone{position:fixed;bottom:30px;right:20px;z-index:900;width:56px;height:56px;background:var(--blue-600);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(37,99,235,.4);transition:all var(--transition)}
.fab-phone:hover{transform:scale(1.1);background:var(--blue-700)}
@media(min-width:768px){.fab-phone{display:none}}

@keyframes fabPulse{
  0%,100%{box-shadow:0 4px 12px rgba(37,211,102,.4)}
  50%{box-shadow:0 4px 24px rgba(37,211,102,.6)}
}

/* ============================================
   ANIMATIONS (Scroll Reveal)
   ============================================ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ============================================
   RESPONSIVE FINE-TUNING
   ============================================ */
@media(max-width:640px){
  .hero{min-height:auto;padding:100px 0 60px}
  .hero h1{font-size:1.75rem}
  .hero__desc{font-size:.9375rem}
  .hero__actions{flex-direction:column}
  .hero__actions .btn{width:100%;justify-content:center}
  .section{padding:3.5rem 0}
  .section__header{margin-bottom:2rem}
  .article-content{padding:1.5rem}
  .calc-card{padding:1.5rem}
  .pricing__table{padding:1rem}
  .pricing__table th,.pricing__table td{padding:.625rem .75rem;font-size:.875rem}
}

/* ============================================
   PRINT
   ============================================ */
@media print{
  .header,.fab-whatsapp,.fab-phone,.hero__actions{display:none}
  .hero{min-height:auto;padding:2rem 0}
  .section{padding:2rem 0}
}