/* =====================================================
   ECRON Eğitim ve Danışmanlık - Ana Stil Dosyası
   Modern, kurumsal, laboratuvar temalı tasarım
   ===================================================== */

:root {
  --ecron-navy: #14357f;
  --ecron-navy-dark: #0e2657;
  --ecron-blue: #1e56c8;
  --ecron-blue-light: #3b7ddd;
  --ecron-accent: #00a3e0;
  --ecron-gray: #f4f6fb;
  --ecron-gray-2: #e9edf5;
  --ecron-text: #1f2937;
  --ecron-muted: #64748b;
  --ecron-white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(20, 53, 127, .06);
  --shadow-md: 0 8px 30px rgba(20, 53, 127, .10);
  --shadow-lg: 0 20px 50px rgba(20, 53, 127, .15);
  --radius: 16px;
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
}

* { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--ecron-text);
  line-height: 1.7;
  overflow-x: hidden;
  background: var(--ecron-white);
}

h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--ecron-navy); letter-spacing: -.02em; }

a { text-decoration: none; transition: var(--transition); }

.text-navy   { color: var(--ecron-navy) !important; }
.text-accent { color: var(--ecron-accent) !important; }
.bg-navy     { background: var(--ecron-navy) !important; }
.bg-soft     { background: var(--ecron-gray) !important; }

/* ---------- Top Bar ---------- */
.topbar {
  background: var(--ecron-navy);
  color: rgba(255,255,255,.85);
  font-size: .875rem;
  padding: 8px 0;
}
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: #fff; }
.topbar .divider { opacity: .3; margin: 0 6px; }
.topbar .social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,.12);
}
.topbar .social a:hover { background: var(--ecron-accent); transform: translateY(-2px); }

/* ---------- Navbar ---------- */
.navbar {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: .6rem 0;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); padding: .35rem 0; }
.navbar-brand img { height: 52px; width: auto; transition: var(--transition); }
.navbar.scrolled .navbar-brand img { height: 44px; }
.navbar .nav-link {
  color: var(--ecron-text) !important;
  font-weight: 600;
  font-size: .95rem;
  margin: 0 .35rem;
  padding: .5rem .9rem !important;
  border-radius: 8px;
  position: relative;
}
.navbar .nav-link:hover,
.navbar .nav-link.active { color: var(--ecron-navy) !important; }
.navbar .nav-link::after {
  content: '';
  position: absolute; left: 50%; bottom: 4px;
  width: 0; height: 3px; border-radius: 3px;
  background: var(--ecron-accent);
  transform: translateX(-50%);
  transition: var(--transition);
}
.navbar .nav-link:hover::after,
.navbar .nav-link.active::after { width: 24px; }

.btn-ecron {
  background: linear-gradient(135deg, var(--ecron-blue), var(--ecron-accent));
  color: #fff; font-weight: 600; border: none;
  padding: .65rem 1.6rem; border-radius: 50px;
  box-shadow: 0 8px 20px rgba(30, 86, 200, .3);
}
.btn-ecron:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(30, 86, 200, .4); }
.btn-ecron-outline {
  border: 2px solid var(--ecron-navy); color: var(--ecron-navy);
  font-weight: 600; padding: .6rem 1.6rem; border-radius: 50px; background: transparent;
}
.btn-ecron-outline:hover { background: var(--ecron-navy); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 640px;
  display: flex; align-items: center;
  background:
    linear-gradient(120deg, rgba(14,38,87,.92) 0%, rgba(20,53,127,.85) 45%, rgba(0,163,224,.55) 100%),
    url('../img/hero-bg.svg') center/cover no-repeat;
  color: #fff; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 26px 26px; opacity: .6;
}
.hero-content { position: relative; z-index: 2; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 5vw, 3.6rem); line-height: 1.15; }
.hero p.lead { color: rgba(255,255,255,.9); font-size: 1.15rem; max-width: 560px; }
.hero .badge-pill {
  display: inline-block; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  padding: .4rem 1.1rem; border-radius: 50px;
  font-size: .85rem; font-weight: 600; margin-bottom: 1.4rem;
  backdrop-filter: blur(6px);
}
.hero-visual {
  position: relative; z-index: 2;
  border-radius: 24px; overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 6px solid rgba(255,255,255,.15);
}
.hero-visual img { width: 100%; display: block; }

.slogan-strip {
  background: linear-gradient(135deg, var(--ecron-navy), var(--ecron-blue));
  color: #fff; padding: 1.1rem 0; text-align: center;
  font-weight: 600; font-size: 1.05rem; letter-spacing: .3px;
}
.slogan-strip .plus { color: var(--ecron-accent); font-weight: 800; }

/* ---------- Section Titles ---------- */
.section { padding: 90px 0; }
.section-title { text-align: center; margin-bottom: 3.2rem; }
.section-title .eyebrow {
  color: var(--ecron-accent); font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; font-size: .8rem; display: block; margin-bottom: .6rem;
}
.section-title h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.section-title .divider {
  width: 70px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, var(--ecron-navy), var(--ecron-accent));
  margin: 1rem auto 0;
}

/* ---------- Feature / Service Cards ---------- */
.feature-card, .service-card {
  background: #fff; border-radius: var(--radius);
  padding: 2.2rem 1.8rem; height: 100%;
  border: 1px solid var(--ecron-gray-2);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--ecron-navy), var(--ecron-accent));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover, .service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-icon {
  width: 66px; height: 66px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(20,53,127,.1), rgba(0,163,224,.12));
  color: var(--ecron-navy); font-size: 1.7rem; margin-bottom: 1.3rem;
  transition: var(--transition);
}
.feature-card:hover .feature-icon { background: linear-gradient(135deg, var(--ecron-navy), var(--ecron-accent)); color: #fff; }
.feature-card h4, .service-card h4 { font-size: 1.2rem; margin-bottom: .8rem; }
.feature-card p, .service-card p { color: var(--ecron-muted); font-size: .96rem; margin-bottom: 0; }

/* Service card with number badge */
.service-card .num-badge {
  position: absolute; top: 1.2rem; right: 1.4rem;
  font-size: 3rem; font-weight: 800; color: var(--ecron-gray-2); line-height: 1;
}
.service-card ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.service-card ul li {
  position: relative; padding-left: 1.6rem; margin-bottom: .55rem;
  color: var(--ecron-text); font-size: .92rem;
}
.service-card ul li::before {
  content: '\2713'; position: absolute; left: 0; top: 0;
  color: var(--ecron-accent); font-weight: 800;
}
.service-card .service-img {
  height: 180px; border-radius: 12px; overflow: hidden; margin-bottom: 1.3rem;
}
.service-card .service-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.service-card:hover .service-img img { transform: scale(1.06); }

/* ---------- About ---------- */
.about-img-wrap { position: relative; }
.about-img-wrap img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; }
.about-badge {
  position: absolute; bottom: -28px; left: -28px;
  background: linear-gradient(135deg, var(--ecron-navy), var(--ecron-blue));
  color: #fff; padding: 1.4rem 1.7rem; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); text-align: center;
}
.about-badge .num { font-size: 2.4rem; font-weight: 800; line-height: 1; }
.about-badge .lbl { font-size: .82rem; opacity: .9; }
.check-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.check-list li { position: relative; padding-left: 2rem; margin-bottom: .9rem; font-weight: 500; }
.check-list li i { position: absolute; left: 0; top: 4px; color: var(--ecron-accent); }

/* ---------- Stats ---------- */
.stats {
  background: linear-gradient(120deg, var(--ecron-navy-dark), var(--ecron-navy) 60%, var(--ecron-blue));
  color: #fff; position: relative; overflow: hidden;
}
.stats::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 24px 24px;
}
.stat-item { text-align: center; position: relative; z-index: 2; }
.stat-item .num { font-size: 2.8rem; font-weight: 800; color: #fff; }
.stat-item .num .plus { color: var(--ecron-accent); }
.stat-item .lbl { color: rgba(255,255,255,.8); font-weight: 500; }

/* ---------- CTA ---------- */
.cta-box {
  background: linear-gradient(135deg, var(--ecron-navy), var(--ecron-blue));
  border-radius: 24px; padding: 3.2rem; color: #fff;
  position: relative; overflow: hidden; box-shadow: var(--shadow-lg);
}
.cta-box::after {
  content: ''; position: absolute; right: -60px; top: -60px;
  width: 220px; height: 220px; border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.cta-box h3 { color: #fff; }

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  background:
    linear-gradient(120deg, rgba(14,38,87,.94), rgba(20,53,127,.85), rgba(0,163,224,.6)),
    url('../img/hero-bg.svg') center/cover no-repeat;
  color: #fff; padding: 130px 0 70px; text-align: center; position: relative;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 24px 24px;
}
.page-header h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); position: relative; z-index: 2; }
.page-header .breadcrumb-c { position: relative; z-index: 2; color: rgba(255,255,255,.8); margin-top: .6rem; }
.page-header .breadcrumb-c a { color: var(--ecron-accent); }

/* ---------- Belge Doğrulama ---------- */
.verify-wrap {
  max-width: 720px; margin: 0 auto;
  background: #fff; border-radius: 24px; padding: 3rem;
  box-shadow: var(--shadow-md); border: 1px solid var(--ecron-gray-2);
}
.verify-icon {
  width: 80px; height: 80px; border-radius: 20px; margin: 0 auto 1.5rem;
  display: flex; align-items: center; justify-content: center; font-size: 2.2rem;
  background: linear-gradient(135deg, var(--ecron-navy), var(--ecron-accent)); color: #fff;
}
.verify-input {
  border: 2px solid var(--ecron-gray-2); border-radius: 50px;
  padding: .9rem 1.5rem; font-size: 1.05rem; letter-spacing: 1px;
}
.verify-input:focus { border-color: var(--ecron-accent); box-shadow: 0 0 0 .25rem rgba(0,163,224,.15); }

.result-card { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-md); margin-top: 2rem; }
.result-card .result-head {
  padding: 1.3rem 1.8rem; color: #fff; display: flex; align-items: center; gap: .8rem;
  font-size: 1.15rem; font-weight: 700;
}
.result-card.valid .result-head   { background: linear-gradient(135deg, #16a34a, #22c55e); }
.result-card.invalid .result-head { background: linear-gradient(135deg, #dc2626, #ef4444); }
.result-card.cancelled .result-head { background: linear-gradient(135deg, #d97706, #f59e0b); }
.result-card .result-body { background: #fff; padding: 1.8rem; }
.detail-row { display: flex; padding: .7rem 0; border-bottom: 1px dashed var(--ecron-gray-2); }
.detail-row:last-child { border-bottom: none; }
.detail-row .lbl { width: 190px; color: var(--ecron-muted); font-weight: 600; flex-shrink: 0; }
.detail-row .val { color: var(--ecron-text); font-weight: 500; }

/* ---------- Contact ---------- */
.contact-info-card {
  background: #fff; border-radius: var(--radius); padding: 1.8rem;
  border: 1px solid var(--ecron-gray-2); box-shadow: var(--shadow-sm);
  display: flex; gap: 1.1rem; align-items: flex-start; height: 100%;
  transition: var(--transition);
}
.contact-info-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.contact-info-card .ci-icon {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  background: linear-gradient(135deg, rgba(20,53,127,.1), rgba(0,163,224,.12)); color: var(--ecron-navy);
}
.contact-form .form-control {
  border: 2px solid var(--ecron-gray-2); border-radius: 12px; padding: .8rem 1rem;
}
.contact-form .form-control:focus { border-color: var(--ecron-accent); box-shadow: 0 0 0 .2rem rgba(0,163,224,.12); }

/* ---------- Footer ---------- */
.footer {
  background: var(--ecron-navy-dark); color: rgba(255,255,255,.75);
  padding: 70px 0 0;
}
.footer h5 { color: #fff; font-size: 1.05rem; margin-bottom: 1.3rem; position: relative; padding-bottom: .6rem; }
.footer h5::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 36px; height: 3px;
  background: var(--ecron-accent); border-radius: 3px;
}
.footer a { color: rgba(255,255,255,.75); }
.footer a:hover { color: var(--ecron-accent); padding-left: 4px; }
.footer .footer-links li { margin-bottom: .6rem; }
.footer .footer-brand img { height: 46px; filter: brightness(0) invert(1); margin-bottom: 1.2rem; }
.footer .footer-contact li { display: flex; gap: .7rem; margin-bottom: .9rem; align-items: flex-start; }
.footer .footer-contact i { color: var(--ecron-accent); margin-top: 4px; }
.footer .social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px; margin-right: .5rem;
  background: rgba(255,255,255,.08);
}
.footer .social a:hover { background: var(--ecron-accent); transform: translateY(-3px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); margin-top: 50px;
  padding: 22px 0; font-size: .875rem; text-align: center;
}

/* WhatsApp float */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; box-shadow: 0 8px 24px rgba(37,211,102,.45);
  animation: pulse 2s infinite;
}
.wa-float:hover { color: #fff; transform: scale(1.08); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }

/* Alert */
.alert-soft { border: none; border-radius: 14px; padding: 1rem 1.3rem; }

@media (max-width: 991px) {
  .navbar .nav-link { margin: .2rem 0; }
  .hero { min-height: auto; padding: 60px 0; }
  .about-badge { position: static; margin: 1.2rem 0 0; display: inline-block; }
  .section { padding: 60px 0; }
  .verify-wrap, .cta-box { padding: 2rem; }
  .detail-row { flex-direction: column; }
  .detail-row .lbl { width: 100%; }
}