/* Hakan Kayalı — Akademik Takip
   Saf CSS, framework yok. Performans odaklı. */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  color-scheme: light; /* Sitenin her zaman açık modda kalmasını sağlar */
}
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}
body{
  font-family: 'Montserrat', sans-serif;
  font-size:16px;line-height:1.65;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none}

/* ---------- Tasarım sistemi ---------- */
:root{
  --navy:#0A1E36;
  --navy-2:#143560;
  --gold:#C9A961;
  --gold-2:#B8954D;
  --bg:#F8F3EB;
  --bg-2:#FDFBF7;
  --card:#FFFFFF;
  --text:#1B2A3A;
  --muted:#5C6B7A;
  --line:rgba(10,30,54,.08);
  --shadow-sm:0 4px 12px rgba(10,30,54,.03);
  --shadow:0 12px 32px rgba(10,30,54,.08);
  --r-sm:12px;
  --r:20px;
  --r-lg:28px;
  --container:1440px;
  --transition:all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Başlıklar */
h1,h2,h3,.serif{font-family:'Montserrat',sans-serif;color:var(--navy);line-height:1.2;letter-spacing:-.02em}
h1{font-size:clamp(2.5rem,5vw,4.5rem);font-weight:800}
h2{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700;letter-spacing:-.01em}

p{color:var(--muted);font-weight:400}

.container{max-width:var(--container);margin:0 auto;padding:0 40px}

/* ---------- Scroll Reveal Sınıfları ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
  will-change: opacity, transform; /* Performans optimizasyonu */
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
/* Staggering (sırayla gelme) efektleri için delay'ler */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(248,243,235,.85);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:var(--transition);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:80px;gap:24px}
.brand{display:flex;align-items:center;transition:var(--transition)}
.brand:hover{transform:translateY(-1px);opacity:0.95}
.brand-logo{
  height: 56px; /* Logoyu belirginleştirmek için yüksekliğini artırdık */
  width: auto;
  display: block;
}

.nav-links{display:flex;align-items:center;gap:40px}
.nav-links a{font-size:.95rem;color:var(--text);font-weight:600;padding:8px 4px;position:relative;transition:var(--transition)}
.nav-links a.active{color:var(--navy)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;background:var(--gold);border-radius:3px;
}
.nav-links a:hover{color:var(--navy)}
.nav-links a:not(.active)::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;background:var(--gold);border-radius:3px;
  transform:scaleX(0);transform-origin:right;transition:transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.nav-links a:not(.active):hover::after{transform:scaleX(1);transform-origin:left}

.nav-actions {display:flex;align-items:center;gap:16px}

.btn-wa{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--navy);color:#fff;
  padding:12px 24px;border-radius:12px; /* Köşeleri görseldeki gibi daha az yuvarlak yaptık */
  font-weight:700;font-size:.95rem;
  transition:var(--transition);
  white-space:nowrap;
  box-shadow:0 4px 14px rgba(10,30,54,.2);
}
.btn-wa:hover{background:var(--navy-2);transform:translateY(-2px);box-shadow:0 6px 20px rgba(10,30,54,.3)}
.btn-wa svg{width:20px;height:20px;color:var(--gold)} /* İkonu altın rengi yaptık */
.btn-text{display:inline-block} /* Masaüstünde metnin görünmesini sağladık */

.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;background:rgba(10,30,54,.05);transition:var(--transition)}
.menu-toggle:active{transform:scale(0.95)}
.menu-toggle svg{width:24px;height:24px;color:var(--navy)}

/* ---------- Hero ---------- */
.hero{padding:80px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.hero h1{margin-bottom:24px}
.hero .lead{max-width:600px;margin-bottom:40px;font-size:1.15rem;line-height:1.7;font-weight:500;color:var(--navy-2)}

.feature-list{display:flex;flex-direction:column;gap:16px;max-width:540px}
.feature{
  display:flex;align-items:center;gap:20px;
  background:var(--card);border:1px solid rgba(255,255,255,0.5);
  padding:20px 24px;border-radius:var(--r);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  position:relative;overflow:hidden;
}
.feature::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--gold);
  transform:scaleY(0);transition:var(--transition);transform-origin:bottom;
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feature:hover::before{transform:scaleY(1)}
.feature .icon{
  flex:0 0 52px;width:52px;height:52px;border-radius:14px;
  background:rgba(201,169,97,.12);color:var(--gold-2);
  display:grid;place-items:center;
  transition:var(--transition);
}
.feature:hover .icon{background:var(--gold);color:#fff}
.feature .icon svg{width:24px;height:24px}
.feature h3{color:var(--navy);font-size:1.05rem;margin-bottom:4px}
.feature p{font-size:.9rem;color:var(--muted);margin:0}

.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 24px 64px rgba(10,30,54,.15);
  aspect-ratio:4/3;background:#e9dfca;
  transform:translateZ(0); /* Safari fix */
}
.hero-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.hero-media:hover img{transform:scale(1.03)}

/* ---------- Odak alanları ---------- */
.focus{padding:80px 0 64px;text-align:center}
.focus h2{margin-bottom:40px}
.section-title{position:relative;display:inline-block;padding:0 48px}
.section-title::before,.section-title::after{
  content:"";position:absolute;top:50%;width:32px;height:2px;background:var(--gold);border-radius:2px;
}
.section-title::before{left:0}
.section-title::after{right:0}

.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;max-width:900px;margin:0 auto}
.chip{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid transparent;
  padding:16px 28px;border-radius:999px;
  font-weight:700;color:var(--navy);font-size:1rem;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.chip:hover{
  transform:translateY(-4px);
  border-color:var(--gold);
  box-shadow:var(--shadow);
}
.chip svg{width:22px;height:22px;color:var(--gold-2);transition:var(--transition)}
.chip:hover svg{transform:scale(1.1)}

/* ---------- Mini chips (sistem hero) ---------- */
.mini-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.mini-chip{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--line);
  padding:10px 18px;border-radius:12px;
  font-size:.9rem;font-weight:600;color:var(--navy);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.mini-chip:hover{transform:translateY(-2px);border-color:var(--gold)}
.mini-chip svg{width:18px;height:18px;color:var(--gold-2)}

/* ---------- Cards (Sistemimizin Temeli, Velinin Gördüğü Netlik) ---------- */
.section{padding:80px 0}
.section-head{text-align:center;margin-bottom:48px}
.cards{display:grid;gap:32px}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid rgba(255,255,255,0.5);
  border-radius:var(--r);padding:32px 28px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  position:relative;z-index:1;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:var(--r);
  box-shadow:var(--shadow);opacity:0;transition:var(--transition);z-index:-1;
}
.card:hover{transform:translateY(-6px)}
.card:hover::after{opacity:1}
.card .icon-lg{
  width:56px;height:56px;border-radius:16px;
  background:var(--navy);color:var(--gold);
  display:grid;place-items:center;margin-bottom:20px;
  transition:var(--transition);
}
.card:hover .icon-lg{transform:scale(1.05) rotate(-3deg);background:var(--gold);color:var(--navy)}
.card .icon-lg svg{width:26px;height:26px}
.card h3{color:var(--navy);margin-bottom:10px;font-size:1.15rem}
.card p{font-size:1rem;line-height:1.6}

/* ---------- Timeline (Süreç Nasıl İşler) & Akış Efekti ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(5,1fr);gap:24px;
  position:relative;margin-top:16px;
}
/* Arka plandaki şık ince çizgi */
.timeline::before{
  content:"";position:absolute;left:10%;right:10%;top:32px;height:2px;
  background:rgba(10,30,54,.08);
  z-index:0;
}
/* Akan (akış) animasyonlu altın çizgi */
.timeline::after{
  content:"";position:absolute;left:10%;right:10%;top:32px;height:2px;
  background:linear-gradient(90deg, transparent, var(--gold), transparent);
  background-size: 200% 100%;
  z-index:0;
  opacity:0.7;
  animation: timelineFlow 3s infinite linear;
}
@keyframes timelineFlow {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.step{position:relative;text-align:center;z-index:1;transition:var(--transition)}
.step:hover{transform:translateY(-6px)}
.step-num{
  width:56px;height:56px;border-radius:50%;
  background:var(--navy);color:var(--gold);
  display:grid;place-items:center;margin:0 auto 16px;
  font-weight:800;font-size:1.2rem;
  border:4px solid var(--bg);
  box-shadow:0 4px 12px rgba(10,30,54,.15);
  transition:var(--transition);
  position:relative;
}
/* Numara hover efekti */
.step:hover .step-num{
  background:var(--gold);color:#fff;transform:scale(1.1);
  box-shadow:0 8px 24px rgba(201,169,97,.4);
  border-color:#fff;
}
.step .step-icon{width:36px;height:36px;margin:0 auto 12px;color:var(--navy);transition:var(--transition)}
.step:hover .step-icon{color:var(--gold)}
.step h3{font-size:1.05rem;color:var(--navy);margin-bottom:8px}
.step p{font-size:.9rem;line-height:1.5}

/* ---------- Quote ---------- */
.quote{
  margin:80px auto 0;max-width:900px;
  background:var(--card);border:1px solid transparent;
  border-radius:var(--r-lg);padding:48px 64px;
  text-align:center;box-shadow:var(--shadow);
  position:relative;
  background-image:linear-gradient(to bottom right, #ffffff, #FDFBF7);
}
.quote::before{
  content:"";position:absolute;left:0;top:0;width:8px;height:100%;
  background:var(--gold);border-radius:var(--r-lg) 0 0 var(--r-lg);
}
.quote p{
  font-weight:600;color:var(--navy);font-size:1.8rem;line-height:1.4;letter-spacing:-.01em;
}
.quote .q{color:var(--gold);font-size:2.2rem;font-weight:800;vertical-align:-0.15em}

/* ---------- Footer iletişim şeridi ---------- */
.contact{
  background:var(--navy);color:#fff;
  padding:40px 0;margin-top:96px;
  position:relative;overflow:hidden;
}
.contact::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--gold),#ffe399,var(--gold));
}
.contact-row{
  display:flex;align-items:center;justify-content:center;gap:80px;flex-wrap:wrap;
}
.contact-item{display:flex;align-items:center;gap:16px;transition:var(--transition)}
.contact-item:hover{transform:translateY(-2px)}
.contact-icon{
  width:56px;height:56px;border-radius:16px;
  background:rgba(201,169,97,.15);color:var(--gold);
  display:grid;place-items:center;flex:0 0 56px;
  transition:var(--transition);
}
.contact-item:hover .contact-icon{background:var(--gold);color:var(--navy);transform:rotate(10deg)}
.contact-icon svg{width:26px;height:26px}
.contact-text{display:flex;flex-direction:column;line-height:1.3}
.contact-text small{color:rgba(255,255,255,.6);font-size:.85rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em}
.contact-text strong{font-weight:700;font-size:1.2rem;color:#fff;margin-top:2px}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 32px}
  .hero-grid{gap:40px}
}
@media (max-width:1024px){
  .hero{padding:64px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-media{aspect-ratio:16/9;order:-1}
  .hero .lead{max-width:100%}
  .feature-list{max-width:100%;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
  .cards-3,.cards-4{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(3,1fr);gap:32px 16px}
  .timeline::before,.timeline::after{display:none}
}
@media (max-width:768px){
  :root {
    --bg: #FFFDF9; /* Mobilde arka planı çok daha açık ve ferah hale getirdik */
  }

  .container{padding:0 20px}
  
  /* Daha zarif başlıklar ve fontlar */
  h1{font-size:2.2rem;line-height:1.15;margin-bottom:16px;letter-spacing:-.03em}
  h2{font-size:1.6rem}
  h3{font-size:1rem}
  p{font-size:.9rem;line-height:1.6}
  .hero .lead{font-size:1rem;margin-bottom:28px;line-height:1.55}
  
  /* Navigasyon - Görseldeki gibi temiz */
  .nav{height:70px}
  .nav-links{display:none}
  
  /* Brand/Logo Metinleri Sıkılaştırma */
  .brand-logo{
    height:44px; /* Mobilde logoyu 1 tık küçülttük */
  }
  
  /* Mobil Buton (Sadece Lacivert WhatsApp İkonu) */
  .btn-wa.mobile-icon-only {
    padding:0;width:40px;height:40px;border-radius:50%;
    box-shadow:none;background:transparent;
  }
  .btn-wa.mobile-icon-only:hover {background:rgba(10,30,54,.05);transform:none}
  .btn-wa.mobile-icon-only svg {width:32px;height:32px;color:var(--navy)}
  .btn-wa.mobile-icon-only .btn-text {display:none}
  
  /* Hamburger Menü (Kalın, Arkaplansız, 3 çizgi) */
  .menu-toggle{display:inline-flex;width:auto;height:40px;background:transparent;padding:0;margin-right:0}
  .menu-toggle svg{width:32px;height:32px;color:var(--navy);stroke-width:1.5}
  
  .nav.open .nav-links{
    display:flex;flex-direction:column;gap:8px;
    position:absolute;top:70px;left:0;right:0;
    background:rgba(253,251,247,0.98);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    padding:20px;box-shadow:0 10px 20px rgba(10,30,54,.05);
  }
  .nav.open .nav-links a{display:block;padding:10px;border-radius:8px;background:transparent;font-size:1rem;font-weight:600}
  .nav.open .nav-links a.active{color:var(--gold)}
  .nav.open .nav-links a::after{display:none}
  
  /* Menü içindeki WhatsApp butonu */
  .nav.open .btn-wa.mobile-icon-only{
    display:flex;width:100%;border-radius:8px;padding:12px;height:auto;
    background:var(--navy);color:#fff;justify-content:center;margin-top:12px;
  }
  .nav.open .btn-wa.mobile-icon-only svg {width:20px;height:20px;color:#fff}
  .nav.open .btn-wa.mobile-icon-only .btn-text {display:inline-block;font-size:.9rem;font-weight:600}
  
  /* Hero Boşlukları ve Feature List (Görseldeki Gibi Sarımtırak Çerçeveli) */
  .hero{padding:24px 0 32px}
  .hero-grid{gap:24px}
  .feature-list{gap:12px}
  .feature{
    padding:16px;gap:16px;border-radius:12px;
    background:var(--bg-2); /* Çok açık krem */
    border:1px solid rgba(201,169,97,0.3); /* İnce sarı border */
    box-shadow:none;
  }
  .feature::before{display:none} /* Sol çizgiyi kaldırdık */
  .feature:hover{transform:none;box-shadow:none}
  .feature .icon{
    flex:0 0 44px;width:44px;height:44px;border-radius:50%; /* Görseldeki gibi yuvarlak ikon arka planı */
    background:rgba(201,169,97,.15);color:var(--navy);
  }
  .feature:hover .icon{background:rgba(201,169,97,.15);color:var(--navy)} /* Hover iptal */
  .feature .icon svg{width:22px;height:22px;stroke-width:1.5}
  
  /* Odak Alanları Chips (Görseldeki gibi 2'li düzenli sıralı) */
  .focus{padding:32px 0 24px}
  .focus h2{margin-bottom:24px}
  .section-title{padding:0 24px}
  .chips{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}
  .chip{padding:10px 14px;font-size:.85rem;border:1px solid var(--line);border-radius:12px;justify-content:flex-start}
  .chip svg{width:18px;height:18px}
  .chip:hover{transform:none;box-shadow:none;border-color:var(--line)}
  .chip:hover svg{transform:none}
  
  /* Sistem sayfası minik çipler */
  .mini-chips{margin-top:24px;gap:8px}
  .mini-chip{padding:8px 14px;font-size:.85rem;border-radius:8px}
  .mini-chip svg{width:16px;height:16px}
  
  /* Section ve Kartlar */
  .section{padding:32px 0}
  .section-head{margin-bottom:24px}
  .cards{gap:16px}
  .cards-3,.cards-4{grid-template-columns:1fr}
  .card{padding:20px;border-radius:16px}
  .card:hover{transform:none}
  .card:hover::after{display:none}
  .card .icon-lg{width:48px;height:48px;border-radius:12px;margin-bottom:12px}
  .card .icon-lg svg{width:22px;height:22px}
  .card:hover .icon-lg{transform:none;background:var(--navy);color:var(--gold)}
  
  /* Timeline (Mobilde Dikey Akış ve Kompakt) */
  .timeline{grid-template-columns:1fr;gap:20px;max-width:100%;margin:24px 0 0;padding-left:12px;position:relative}
  .timeline::before{
    display:block;content:"";position:absolute;left:34px;top:20px;bottom:20px;width:2px;
    height:auto;background:rgba(10,30,54,.08);
  }
  .timeline::after{
    display:block;content:"";position:absolute;left:34px;top:20px;bottom:20px;width:2px;
    height:auto;background:linear-gradient(180deg, transparent, var(--gold), transparent);
    background-size: 100% 200%;
    animation: timelineFlowMobile 3s infinite linear;
    z-index:0;opacity:0.7;
  }
  @keyframes timelineFlowMobile {
    0% { background-position: 0 100%; }
    100% { background-position: 0 -100%; }
  }
  
  .step{display:flex;align-items:flex-start;text-align:left;gap:20px;background:var(--bg-2);padding:16px;border-radius:12px;box-shadow:none;border:1px solid rgba(201,169,97,0.3)}
  .step:hover{transform:none}
  .step-num{margin:0;flex:0 0 44px;width:44px;height:44px;font-size:1.1rem;border-width:3px;z-index:2;box-shadow:none}
  .step:hover .step-num{transform:none;background:var(--navy);color:var(--gold);box-shadow:none;border-color:var(--bg)}
  .step .step-icon{display:none}
  .step-text{flex:1;padding-top:2px}
  .step h3{margin-bottom:4px}
  
  /* Footer ve Quote */
  /* İletişim kutusunu görseldeki gibi ayrık, yuvarlak köşeli yapma */
  .contact{padding:0;margin-top:40px;margin-bottom:40px;background:transparent}
  .contact::before{display:none}
  .contact-container {padding:0 20px;}
  .contact-row{
    background:var(--navy);border-radius:16px;padding:24px 20px;
    gap:16px;flex-direction:column;align-items:flex-start;
  }
  .contact-item{gap:12px;width:100%}
  .contact-item:hover{transform:none}
  .contact-icon{width:40px;height:40px;border-radius:50%;flex:0 0 40px;background:transparent;border:1px solid rgba(201,169,97,0.3)}
  .contact-icon svg{width:20px;height:20px;color:var(--gold)}
  .contact-item:hover .contact-icon{background:transparent;transform:none}
  .contact-text strong{font-size:1.2rem}
  .contact-text small{font-size:.75rem}
  
  /* İzmir yazısının üstüne ince ayırıcı çizgi */
  .contact-item.border-left {
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  
  .quote{padding:24px 20px;margin-top:40px;border-radius:12px;box-shadow:none;border:1px solid rgba(201,169,97,0.3)}
  .quote::before{width:4px;border-radius:12px 0 0 12px}
  .quote p{font-size:1.1rem}
  .quote .q{font-size:1.4rem}
}