/* =========================
   Base / Reset
========================= */
*,
*::before,
*::after { box-sizing: border-box; }

:root{
  --bg: #0b1220;
  --bg2:#0f1a2f;
  --surface: rgba(255,255,255,0.06);
  --surface2: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.10);
  --text:#e9eefb;
  --muted: rgba(233,238,251,0.72);
  --muted2: rgba(233,238,251,0.55);
  --accent:#19c37d;           /* tek vurgu rengi */
  --accent2:#0ea06a;
  --shadow: 0 18px 48px rgba(0,0,0,0.45);
  --shadow2: 0 10px 28px rgba(0,0,0,0.35);
  --radius: 16px;
  --radius2: 22px;
  --container: 1120px;
}

html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(25,195,125,0.14), transparent 55%),
              radial-gradient(900px 600px at 90% 20%, rgba(25,195,125,0.10), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
input, textarea, select{
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 12px 12px;
  outline: none;
}
textarea{ resize: vertical; min-height: 120px; }

:focus-visible{
  outline: 3px solid rgba(25,195,125,0.55);
  outline-offset: 3px;
  border-color: rgba(25,195,125,0.55);
}

.skip-link{
  position:absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(0,0,0,0.65);
  border: 1px solid rgba(255,255,255,0.18);
  transform: translateY(-140%);
  transition: transform .2s ease;
  z-index: 9999;
}
.skip-link:focus{ transform: translateY(0); }

.container{
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.section{
  padding: 72px 0;
}
.section-alt{
  background: rgba(255,255,255,0.03);
  border-top: 1px solid rgba(255,255,255,0.07);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.section-head{
  margin-bottom: 24px;
}
.section-head h2{
  margin: 0 0 8px 0;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: -0.02em;
}
.section-head p{
  margin:0;
  color: var(--muted);
  max-width: 62ch;
}

/* =========================
   Header / Nav
========================= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,18,32,0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header.is-elevated{
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  min-height: 70px;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  min-width: 220px;
}
.brand-mark{
  width: 14px;
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), rgba(25,195,125,0.35));
  box-shadow: 0 0 0 4px rgba(25,195,125,0.10);
}
.brand-name{
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-sub{
  display:block;
  font-size: 12px;
  color: var(--muted2);
  margin-top: 2px;
}

.nav{
  display:flex;
  align-items:center;
}
.nav-list{
  list-style:none;
  display:flex;
  gap: 6px;
  padding:0;
  margin:0;
  align-items:center;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-link:hover{
  background: rgba(255,255,255,0.06);
  color: var(--text);
  transform: translateY(-1px);
}
.nav-cta{
  margin-left: 6px;
  background: rgba(25,195,125,0.12);
  border: 1px solid rgba(25,195,125,0.22);
  color: var(--text);
}
.nav-cta:hover{
  background: rgba(25,195,125,0.18);
}

.nav-toggle{
  display:none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  cursor:pointer;
}
.nav-toggle-lines{
  display:block;
  width: 20px;
  height: 14px;
  margin: 0 auto;
  position: relative;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  background: rgba(233,238,251,0.85);
  border-radius: 2px;
  transition: transform .2s ease, top .2s ease, bottom .2s ease, opacity .2s ease;
}
.nav-toggle-lines::before{ top: 3px; }
.nav-toggle-lines::after{ bottom: 3px; }

/* mobile nav open state */
body.nav-open .nav-toggle-lines::before{ top: 6px; transform: rotate(45deg); }
body.nav-open .nav-toggle-lines::after{ bottom: 6px; transform: rotate(-45deg); }

/* =========================
   Hero
========================= */
.hero{
  padding-top: 54px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items:center;
}

.badge{
  display:inline-flex;
  gap: 10px;
  align-items:center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(25,195,125,0.25);
  background: rgba(25,195,125,0.10);
  color: var(--text);
  margin: 0 0 14px 0;
  font-size: 13px;
}
.badge span{ color: var(--accent); font-size: 14px; }

.hero h1{
  margin: 0 0 12px 0;
  font-size: clamp(30px, 4.3vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.hero-lead{
  margin: 0 0 18px 0;
  color: var(--muted);
  max-width: 62ch;
}

.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-stats{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}
.stat{
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  min-width: 160px;
}
.stat-value{
  display:block;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.stat-label{
  display:block;
  font-size: 13px;
  color: var(--muted2);
}

.hero-visual{
  position: relative;
  min-height: 360px;
}
.visual-card{
  position: relative;
  z-index: 2;
  border-radius: var(--radius2);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.visual-top{
  display:flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
}
.chip{
  width: 10px; height: 10px; border-radius: 999px;
  background: rgba(233,238,251,0.30);
}
.visual-body{ padding: 18px 18px 22px; }
.visual-line{
  height: 10px;
  border-radius: 999px;
  background: rgba(233,238,251,0.20);
  margin: 10px 0;
}
.visual-metrics{
  margin-top: 18px;
  display:grid;
  gap: 12px;
}
.metric{
  display:flex;
  align-items:center;
  gap: 10px;
}
.metric-dot{
  width: 10px; height: 10px;
  border-radius: 6px;
  background: rgba(25,195,125,0.8);
}
.metric-bar{
  height: 10px;
  border-radius: 999px;
  background: rgba(25,195,125,0.22);
  border: 1px solid rgba(25,195,125,0.20);
}

.blob{
  position:absolute;
  inset: auto;
  filter: blur(18px);
  opacity: 0.65;
  z-index: 1;
  border-radius: 999px;
}
.blob-a{
  width: 240px; height: 240px;
  right: 0; top: 20px;
  background: radial-gradient(circle at 30% 30%, rgba(25,195,125,0.55), transparent 60%);
}
.blob-b{
  width: 260px; height: 260px;
  left: 14px; bottom: 0;
  background: radial-gradient(circle at 30% 30%, rgba(25,195,125,0.35), transparent 60%);
}

.w-80{ width: 80%; }
.w-70{ width: 70%; }
.w-60{ width: 60%; }
.w-75{ width: 75%; }
.w-65{ width: 65%; }
.w-45{ width: 45%; }

/* =========================
   Grids / Cards
========================= */
.grid{
  display:grid;
  gap: 14px;
}
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }

.card{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 16px;
  box-shadow: var(--shadow2);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.card:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,0.065);
  border-color: rgba(255,255,255,0.14);
}

.card h3{
  margin: 0 0 8px 0;
  letter-spacing: -0.02em;
}
.card p{
  margin: 0;
  color: var(--muted);
}

/* =========================
   Buttons / Pills
========================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  text-decoration:none;
  min-height: 44px;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: rgba(25,195,125,0.18);
}
.btn-ghost{
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
}

.pill{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  cursor:pointer;
  color: var(--muted);
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.pill:hover{ transform: translateY(-1px); background: rgba(255,255,255,0.06); color: var(--text); }
.pill.is-active{
  background: rgba(25,195,125,0.14);
  border-color: rgba(25,195,125,0.22);
  color: var(--text);
}

.portfolio-controls{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 16px;
}

/* =========================
   Portfolio Cards
========================= */
.listing{
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.listing-top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
}
.tag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
}
.tag.sale{
  border-color: rgba(25,195,125,0.25);
  background: rgba(25,195,125,0.12);
  color: var(--text);
}
.tag.rent{
  border-color: rgba(233,238,251,0.18);
  background: rgba(233,238,251,0.08);
  color: var(--text);
}

.listing-title{
  margin: 0;
  letter-spacing: -0.02em;
}
.listing-meta{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.price{
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* =========================
   Steps
========================= */
.steps{
  list-style:none;
  padding:0;
  margin: 0;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.step{
  position: relative;
  padding-top: 18px;
}
.step-no{
  position:absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: rgba(25,195,125,0.14);
  border: 1px solid rgba(25,195,125,0.22);
  color: var(--text);
  font-weight: 700;
}

/* =========================
   About
========================= */
.about-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  align-items: start;
}
.checklist{
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.checklist li{ margin: 6px 0; }

.about-cards{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.mini{
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.mini-kpi{
  font-weight: 800;
  font-size: 22px;
  color: var(--text);
}
.mini-label{
  color: var(--muted);
  font-size: 13px;
}

/* =========================
   FAQ Accordion
========================= */
.faq{ display:grid; gap: 12px; }
.faq-q{
  width: 100%;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  text-align:left;
  background: transparent;
  border: none;
  cursor:pointer;
  padding: 0;
  font-weight: 600;
}
.faq-ico{
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 2px solid rgba(233,238,251,0.55);
  position: relative;
}
.faq-ico::before,
.faq-ico::after{
  content:"";
  position:absolute;
  background: rgba(233,238,251,0.75);
  border-radius: 2px;
}
.faq-ico::before{ width: 10px; height: 2px; left: 1px; top: 5px; }
.faq-ico::after{ width: 2px; height: 10px; left: 5px; top: 1px; transition: transform .18s ease; }

.faq-item.is-open .faq-ico::after{ transform: scaleY(0); }

.faq-a{
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

/* =========================
   Lead
========================= */
.lead-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.note{
  margin-top: 14px;
  border-left: 3px solid rgba(25,195,125,0.55);
}
.form-row{
  display:grid;
  gap: 8px;
  margin-bottom: 14px;
}
.form-row label{
  font-weight: 600;
  font-size: 14px;
}
.field-help{
  color: var(--muted2);
  font-size: 12px;
}
.form-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.form-status{
  margin-top: 12px;
  min-height: 22px;
  color: var(--muted);
}
.form-status.success{
  color: rgba(25,195,125,0.95);
}
.form-status.error{
  color: rgba(255,120,120,0.95);
}

/* invalid fields */
.is-invalid{
  border-color: rgba(255,120,120,0.6) !important;
  box-shadow: 0 0 0 4px rgba(255,120,120,0.12);
}

/* =========================
   Footer
========================= */
.footer{
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.18);
  padding: 28px 0;
}
.footer-inner{
  display:grid;
  grid-template-columns: 1.1fr 1fr auto;
  gap: 14px;
  align-items:center;
}
.footer-name{ font-weight: 800; letter-spacing: -0.02em; }
.footer-slogan{ color: var(--muted); font-size: 13px; }
.footer-nav{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content:center;
}
.footer-nav a{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
}
.footer-nav a:hover{ background: rgba(255,255,255,0.06); color: var(--text); }
.footer-copy{
  color: var(--muted2);
  text-align:right;
}

/* =========================
   Modal
========================= */
.modal{
  position: fixed;
  inset: 0;
  display:none;
  z-index: 80;
}
.modal.is-open{ display:block; }
.modal-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.65);
}
.modal-panel{
  position: relative;
  width: min(640px, calc(100% - 32px));
  margin: 8vh auto 0;
  border-radius: 18px;
  background: rgba(13,20,36,0.92);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.modal-head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.modal-head h3{ margin:0; letter-spacing: -0.02em; }
.icon-btn{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  cursor:pointer;
}
.modal-body{ padding: 14px 14px 16px; }
.modal-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.chip2{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: var(--muted);
}
.modal-highlights{
  margin-top: 12px;
  display:grid;
  gap: 8px;
}
.hl{
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--muted);
}
.modal-foot{
  padding: 14px;
  border-top: 1px solid rgba(255,255,255,0.10);
  display:flex;
  justify-content:flex-end;
}

/* =========================
   Reveal animation
========================= */
.reveal{
  opacity: 0;
  transform: translateY(14px);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
  transition: opacity .6s ease, transform .6s ease;
}

/* =========================
   Responsive
========================= */
@media (max-width: 980px){
  .grid-4{ grid-template-columns: repeat(2, 1fr); }
  .steps{ grid-template-columns: repeat(2, 1fr); }
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ min-height: 300px; }
  .about-grid{ grid-template-columns: 1fr; }
  .lead-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; text-align:center; }
  .footer-copy{ text-align:center; }
}

@media (max-width: 840px){
  .nav-toggle{ display:inline-grid; place-items:center; }
  .nav{
    position: fixed;
    inset: 70px 16px auto 16px;
    display:none;
    background: rgba(11,18,32,0.96);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    padding: 10px;
    box-shadow: var(--shadow);
  }
  body.nav-open .nav{ display:block; }
  .nav-list{
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-link{
    width: 100%;
    justify-content: space-between;
  }
  .nav-cta{ margin-left: 0; }
}

@media (max-width: 520px){
  .section{ padding: 56px 0; }
  .stat{ min-width: 140px; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-4{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
}