/* assets/style.css - APNEKS KURUMSAL MİNİMALİZM TEMASI */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;600;800&family=Space+Grotesk:wght@400;700&display=swap');

:root {
  --bg: #FFFFFF; /* Ana Arka Plan (Beyaz) */
  --bg-soft: #F9FAFB; /* İkincil Arka Plan (Hafif Gri) */
  --txt: #1F2937; /* Ana Metin Rengi (Koyu Gri/Siyah) */
  --sub: #4B5563; /* Alt Metin Rengi (Orta Gri) */
  --accent: #8CC63F; /* Fıstık Yeşili Vurgu Rengi */
  --accent-deep: #6A9A2F; /* Vurgu Rengi Koyu Ton */
  --border: #E5E7EB; /* İnce Çizgi Rengi */
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius: 12px;
  --maxw: 1200px;
  --font-body: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-head: "Space Grotesk", "Manrope", system-ui, sans-serif;
}

/* === TEMEL AYARLAR === */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--txt);
  background: var(--bg);
  line-height: 1.7;
  padding-top: 80px; /* Sticky Header için boşluk */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
  color: var(--txt);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(36px, 5vw, 60px); }
h2 { font-size: clamp(28px, 4vw, 42px); }
h3 { font-size: clamp(20px, 3vw, 24px); }
a { color: var(--accent); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--accent-deep); }
img { max-width: 100%; height: auto; display: block; }
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section-soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  text-align: center;
  margin-bottom: 50px;
}
.section-head h2 {
  color: var(--accent);
  margin-bottom: 10px;
}
.section-head p {
  font-size: 18px;
  color: var(--sub);
  max-width: 600px;
  margin: 0 auto;
}

/* === GRID SİSTEMİ === */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

/* === HEADER (NAVİGASYON) === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: 80px;
  z-index: 1000;
  transition: all 0.3s ease;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header .brand {
  font-size: 24px;
  font-weight: 800;
  color: var(--txt);
  display: flex;
  align-items: center;
  gap: 10px;
}
.header .brand img { width: 36px; height: 36px; }
.header .brand span { color: var(--accent); }
.header .nav {
  display: flex;
  gap: 30px;
}
.header .nav a {
  font-weight: 600;
  color: var(--txt);
  font-size: 16px;
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}
.header .nav a.active, .header .nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* === BUTONLAR === */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 16px;
  font-family: var(--font-head);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 5px 15px rgba(140, 198, 63, 0.4);
}
.btn-primary:hover {
  background: var(--accent-deep);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(140, 198, 63, 0.3);
}
.btn-secondary {
  background: var(--bg-soft);
  color: var(--txt);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg);
  transform: translateY(-2px);
}

/* === HERO (Ana Sayfa Açılış) === */
.hero {
  padding: 100px 0;
  text-align: center;
  background: var(--bg);
}
.hero h1 {
  max-width: 800px;
  margin: 0 auto 20px auto;
}
.hero h1 span { color: var(--accent); }
.hero .slogan {
  font-size: 20px;
  font-weight: 600;
  color: var(--sub);
  margin-bottom: 30px;
  font-family: var(--font-head);
}
.hero .hero-cta {
  display: flex;
  justify-content: center;
  gap: 15px;
}

/* === HİZMET KARTI (Vaka Çalışması) === */
.service-card {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all 0.3s ease;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.service-card-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
}
.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.service-card:hover .service-card-img img {
  transform: scale(1.05);
}
.service-card .card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.service-card h3 {
  margin: 0 0 10px 0;
  color: var(--txt);
}
.service-card p {
  color: var(--sub);
  font-size: 15px;
  margin: 0 0 20px 0;
  flex-grow: 1;
}
.service-card .tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-tag {
  display: inline-block;
  padding: 5px 12px;
  background: var(--accent);
  color: #000;
  font-size: 12px;
  font-weight: 700;
  border-radius: 20px;
}
.tech-tag.secondary {
  background: var(--bg-soft);
  color: var(--sub);
}

/* === HAKKIMIZDA VE İLETİŞİM === */
.about-content img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.about-content h3 {
  color: var(--accent);
  margin-top: 20px;
  margin-bottom: 10px;
}

/* === İLETİŞİM FORMU === */
.form {
  background: var(--bg-soft);
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.form .form-group {
  margin-bottom: 20px;
}
.form label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--txt);
}
.form input, .form textarea, .form select {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--txt);
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(140, 198, 63, 0.2);
}
.form-success {
  color: var(--accent-deep);
  background: rgba(140, 198, 63, 0.1);
  border: 1px solid var(--accent);
  padding: 15px;
  border-radius: var(--radius);
}
.form-error {
  color: #991B1B;
  background: #FEE2E2;
  border: 1px solid #F87171;
  padding: 15px;
  border-radius: var(--radius);
}


/* === KARİYER (İŞ İLANI) === */
.job-listing {
  background: var(--bg);
  padding: 25px 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.job-listing:hover {
  border-color: var(--accent);
  transform: translateX(5px);
  box-shadow: var(--shadow-lg);
}
.job-info h3 { margin: 0 0 5px 0; }
.job-info span { color: var(--sub); font-weight: 600; }
.job-detail-content {
  background: var(--bg-soft);
  padding: 30px;
  border-radius: var(--radius);
}

.main-footer {
  background: var(--bg-soft); /* Açık Gri Arka Plan */
  padding: 60px 0 40px 0;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr; /* 4 Sütunlu yapı */
  gap: 40px;
}
.footer-col {
  font-size: 15px;
  color: var(--sub);
}
.footer-col h4 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--txt);
  margin-top: 0;
  margin-bottom: 20px;
}
.footer-col .brand {
  font-size: 24px;
  font-weight: 800;
  color: var(--txt);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 15px;
}
.footer-col .brand img { width: 36px; height: 36px; }
.footer-col .brand span { color: var(--accent); }
.footer-col .footer-slogan {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.footer-socials {
  display: flex;
  gap: 15px;
}
.footer-socials a {
  color: var(--sub);
  font-size: 20px;
  transition: all 0.3s ease;
}
.footer-socials a:hover {
  color: var(--accent);
  transform: scale(1.1);
}
.footer-links, .footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li, .footer-contact li {
  margin-bottom: 12px;
}
.footer-links a, .footer-contact a {
  color: var(--sub);
  font-weight: 500;
  text-decoration: none;
}
.footer-links a:hover, .footer-contact a:hover {
  color: var(--accent);
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.footer-contact i {
  color: var(--accent);
  margin-top: 5px;
}

/* Abone Ol Formu Stili */
.subscribe-form {
  display: flex;
  width: 100%;
  margin-top: 10px;
}
.subscribe-form input[type="email"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius) 0 0 var(--radius); /* Sağ köşeleri düz */
  font-size: 14px;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--txt);
  flex-grow: 1; /* Esne */
  margin: 0;
}
.subscribe-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(140, 198, 63, 0.2);
}
.subscribe-form button {
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0; /* Sol köşeleri düz */
  margin: 0;
  font-size: 16px;
  line-height: 1.5; /* İkonu ortalamak için */
}

/* Alt Footer (Telif Hakkı) */
.sub-footer {
  background: var(--txt);
  color: #AAA;
  padding: 20px 0;
  text-align: center;
}
.sub-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sub-footer p {
  margin: 0;
  font-size: 14px;
}
.sub-footer a { color: #AAA; }
.sub-footer a:hover { color: var(--accent); }

/* Mobil Uyumlu Footer */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr; /* Tablete 2 sütun */
  }
}
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr; /* Mobile 1 sütun */
  }
  .sub-footer .container {
    flex-direction: column;
    gap: 10px;
  }
}
/* === RESPONSIVE (MOBİL UYUMLULUK) === */
@media (max-width: 992px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  body { padding-top: 70px; }
  .header { height: 70px; }
  .header .nav { display: none; } /* Mobilde hamburger menü gerekir, şimdilik gizlendi */
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .job-listing { flex-direction: column; align-items: flex-start; gap: 15px; }
}
/* === YENİ: Referanslar Logo Akışı (Sürekli Kayan) === */
.logo-ticker-section {
  padding-top: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--border);
  background: var(--bg); /* Anasayfa Hero ile Vaka Çalışmaları arasına girecek */
}
.logo-ticker-section h4 {
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--sub);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.logo-ticker-wrap {
  width: 100%;
  overflow: hidden;
  position: relative;
  /* Kenarlarda yumuşak gizleme efekti (Fading mask) */
  -webkit-mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
}
.logo-ticker-list {
  display: flex;
  width: max-content; /* İçerik kadar genişle */
  /* Animasyon: 40 saniyede bir tur at */
  animation: scroll-left 40s linear infinite;
}
.logo-ticker-list:hover {
  animation-play-state: paused; /* Üzerine gelince duraklat */
}
.logo-ticker-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 40px;
  height: 60px; /* Logo alanı yüksekliği */
}
.logo-ticker-item img {
  max-height: 50px; /* Logo max yükseklik */
  width: auto;
  filter: grayscale(100%) opacity(60%); /* Başlangıçta siyah-beyaz ve soluk */
  transition: all 0.3s ease;
}
.logo-ticker-item:hover img {
  filter: grayscale(0%) opacity(100%); /* Üzerine gelince renkli ve net */
  transform: scale(1.05);
}

/* Animasyon Keyframes */
@keyframes scroll-left {
  0% { transform: translateX(0); }
  /* Listenin tam yarısına gelince (JS ile kopyaladığımız için) başa sar */
  100% { transform: translateX(-50%); } 
}