/* =========================================================
   EKSEN GROUP — Kurumsal Web Sitesi
   Renk paleti: Koyu zemin + Altın + Gümüş (logo uyumlu)
   ========================================================= */

:root {
  --bg:           #0c0c0f;
  --bg-2:         #131318;
  --bg-3:         #1b1b22;
  --surface:      #16161c;
  --line:         #2a2a33;

  --gold-1:       #b8860b;
  --gold-2:       #e9c66b;
  --gold-3:       #f6e3a8;
  --gold-grad:    linear-gradient(135deg, #b8860b 0%, #f3d77f 45%, #c9a24b 100%);

  --silver-1:     #c7c7d0;
  --silver-2:     #e9e9f0;

  --text:         #e8e8ee;
  --text-soft:    #a6a6b3;
  --text-dim:     #6f6f7d;

  --radius:       16px;
  --radius-sm:    10px;
  --maxw:         1200px;
  --shadow:       0 20px 60px rgba(0,0,0,.45);
  --transition:   .35s cubic-bezier(.22,.61,.36,1);

  --font-head:    'Playfair Display', Georgia, serif;
  --font-body:    'Poppins', system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: rgba(201,162,75,.2); }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;   /* mobilde yatay döndürünce yazı büyümesin */
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Görseller/iframe taşmasın */
img, svg, iframe { max-width: 100%; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Tipografi ---------- */
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; }

.gold-text {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .78rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-bottom: 16px;
  font-weight: 500;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  margin-bottom: 18px;
}

.section-lead {
  color: var(--text-soft);
  max-width: 620px;
  font-size: 1.02rem;
}

.section {
  padding: 110px 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.section-head .section-lead { margin: 0 auto; }

.divider {
  width: 70px; height: 2px;
  background: var(--gold-grad);
  margin: 22px auto 0;
  border-radius: 2px;
}

/* ---------- Buton ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}
.btn-gold {
  background: var(--gold-grad);
  color: #1a1408;
  box-shadow: 0 10px 30px rgba(201,162,75,.25);
}
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(201,162,75,.4); }
.btn-ghost {
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--gold-2); color: var(--gold-2); }

/* ---------- Header / Navbar ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  background: rgba(12,12,15,0);
}
.header.scrolled {
  background: rgba(12,12,15,.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-brand img { height: 50px; width: auto; }
.nav-brand .brand-fallback {
  font-family: var(--font-head);
  font-size: 1.5rem;
  letter-spacing: .08em;
}
.nav-brand .brand-fallback small {
  display: block;
  font-family: var(--font-body);
  font-size: .58rem;
  letter-spacing: .35em;
  color: var(--silver-1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 38px;
}
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-soft);
  position: relative;
  transition: color .3s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 2px;
  background: var(--gold-grad);
  transition: width .3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;   /* mobil tarayıcı adres çubuğunu hesaba katar */
  display: flex;
  align-items: center;
  padding-top: 84px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 75% 30%, rgba(201,162,75,.16), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(120,120,140,.08), transparent 40%),
    var(--bg);
  z-index: -2;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 75%);
  z-index: -1;
}
.hero-photo {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-size: cover;
  background-position: center;
  opacity: .20;
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, #000 55%);
  mask-image: linear-gradient(100deg, transparent 0%, #000 55%);
}
.hero-inner { max-width: 820px; }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  margin-bottom: 24px;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-soft);
  max-width: 600px;
  margin-bottom: 38px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  font-size: .72rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.hero-scroll::after {
  content: '';
  width: 1px; height: 40px;
  background: linear-gradient(var(--gold-2), transparent);
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:.3;} 50%{opacity:1;} }

/* ---------- İstatistik bandı ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 48px 40px;
}
.stat { text-align: center; }
.stat .num {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}
.stat .label {
  color: var(--text-soft);
  font-size: .88rem;
  letter-spacing: .04em;
}

/* ---------- Hizmet kartları ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s;
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(201,162,75,.4);
  box-shadow: var(--shadow);
}
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 64px; height: 64px;
  border-radius: 14px;
  background: rgba(201,162,75,.1);
  border: 1px solid rgba(201,162,75,.25);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  font-size: 1.6rem;
}
.card h3 { font-size: 1.4rem; margin-bottom: 12px; }
.card p { color: var(--text-soft); font-size: .96rem; margin-bottom: 18px; }
.card .card-list li {
  color: var(--text-soft);
  font-size: .9rem;
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.card .card-list li::before {
  content: '◆';
  position: absolute; left: 0;
  color: var(--gold-2);
  font-size: .7rem;
  top: 4px;
}

/* ---------- Bölüm: İki sütun (about preview) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split .media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(circle at 30% 30%, rgba(201,162,75,.2), transparent 60%),
    var(--bg-3);
  display: grid;
  place-items: center;
  position: relative;
}
.split .media .emblem {
  font-family: var(--font-head);
  font-size: 6rem;
  letter-spacing: .05em;
}
.split .media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.feature-list { margin-top: 28px; display: grid; gap: 18px; }
.feature-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-list .fi-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(201,162,75,.1);
  border: 1px solid rgba(201,162,75,.22);
  display: grid; place-items: center;
  color: var(--gold-2);
}
.feature-list h4 { font-family: var(--font-body); font-size: 1rem; font-weight: 600; margin-bottom: 2px; }
.feature-list p { color: var(--text-soft); font-size: .9rem; }

/* ---------- Referanslar / Logo ızgarası ---------- */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.logo-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  height: 120px;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--text-soft);
  transition: var(--transition);
  text-align: center;
  padding: 10px;
}
.logo-item:hover { color: var(--gold-2); border-color: rgba(201,162,75,.35); transform: translateY(-4px); }

/* ---------- Yorum kartları ---------- */
.quote-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  position: relative;
}
.quote-card .mark {
  font-family: var(--font-head);
  font-size: 4rem;
  line-height: .6;
  color: rgba(201,162,75,.3);
  margin-bottom: 10px;
}
.quote-card p { color: var(--text-soft); font-style: italic; margin-bottom: 22px; }
.quote-card .author { display: flex; align-items: center; gap: 14px; }
.quote-card .avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gold-grad);
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; color: #1a1408;
}
.quote-card .author .name { font-weight: 600; font-size: .95rem; }
.quote-card .author .role { color: var(--text-dim); font-size: .82rem; }

/* ---------- CTA bandı ---------- */
.cta-band {
  background:
    radial-gradient(circle at 80% 20%, rgba(201,162,75,.18), transparent 50%),
    var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 70px 50px;
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
.cta-band p { color: var(--text-soft); max-width: 540px; margin: 0 auto 32px; }

/* ---------- İç sayfa başlık (page hero) ---------- */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(201,162,75,.12), transparent 55%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 16px; }
.page-hero p { color: var(--text-soft); max-width: 600px; margin: 0 auto; }
.breadcrumb {
  font-size: .82rem;
  color: var(--text-dim);
  margin-top: 22px;
}
.breadcrumb a:hover { color: var(--gold-2); }

/* ---------- Değerler ızgarası ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-item {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.value-item .vi-num {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--gold-2);
  letter-spacing: .1em;
  margin-bottom: 14px;
}
.value-item h4 { font-family: var(--font-body); font-weight: 600; font-size: 1.15rem; margin-bottom: 8px; }
.value-item p { color: var(--text-soft); font-size: .92rem; }

/* ---------- Detaylı hizmet bloğu ---------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--line);
}
.service-block:last-child { border-bottom: none; }
.service-block.reverse .sb-text { order: 2; }
.service-block .sb-visual {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  aspect-ratio: 16/11;
  background:
    radial-gradient(circle at 70% 30%, rgba(201,162,75,.16), transparent 60%),
    var(--bg-3);
  display: grid; place-items: center;
  font-size: 4.5rem;
  overflow: hidden;
}
.service-block .sb-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.service-block:hover .sb-visual img { transform: scale(1.05); }
.service-block .eyebrow { margin-bottom: 10px; }
.service-block h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 16px; }
.service-block p { color: var(--text-soft); margin-bottom: 20px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  font-size: .82rem;
  padding: 7px 16px;
  border-radius: 50px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  background: var(--bg-2);
}

/* ---------- İletişim ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}
.contact-info { display: grid; gap: 26px; align-content: start; }
.contact-info .ci-item { display: flex; gap: 16px; }
.contact-info .ci-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(201,162,75,.1);
  border: 1px solid rgba(201,162,75,.22);
  display: grid; place-items: center;
  color: var(--gold-2);
  font-size: 1.2rem;
}
.contact-info .ci-item h4 { font-family: var(--font-body); font-weight: 600; font-size: 1rem; margin-bottom: 2px; }
.contact-info .ci-item p, .contact-info .ci-item a { color: var(--text-soft); font-size: .92rem; }
.contact-info .ci-item a:hover { color: var(--gold-2); }

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .85rem; color: var(--text-soft); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: .92rem;
  transition: border-color .3s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold-2);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: .82rem; color: var(--text-dim); margin-top: 14px; }
.form-success {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(201,162,75,.12);
  border: 1px solid rgba(201,162,75,.3);
  color: var(--gold-3);
  font-size: .9rem;
}

.map-embed {
  margin-top: 40px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  height: 360px;
}
.map-embed iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4) invert(.92) contrast(.85); }

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-brand img { height: 60px; margin-bottom: 18px; }
.footer-brand .brand-fallback { font-family: var(--font-head); font-size: 1.6rem; margin-bottom: 14px; }
.footer-brand p { color: var(--text-soft); font-size: .9rem; max-width: 300px; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-bottom: 18px;
}
.footer-col li { margin-bottom: 11px; }
.footer-col a, .footer-col p { color: var(--text-soft); font-size: .9rem; transition: color .3s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--text-dim);
  font-size: .85rem;
}
.social { display: flex; gap: 12px; }
.social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  transition: var(--transition);
}
.social a:hover { border-color: var(--gold-2); color: var(--gold-2); transform: translateY(-3px); }

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

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .cards, .values, .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .service-block, .service-block.reverse .sb-text,
  .contact-grid { grid-template-columns: 1fr; }
  .service-block.reverse .sb-text { order: 0; }
  .split { gap: 36px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav-links {
    position: fixed;
    top: 72px; right: 0;
    width: min(86vw, 340px);
    height: calc(100vh - 72px);
    height: calc(100dvh - 72px);
    background: var(--bg-2);
    border-left: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 32px 28px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform .35s ease;
    overflow-y: auto;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a {
    font-size: 1.05rem;
    padding: 14px 4px;            /* daha büyük dokunma alanı */
    border-bottom: 1px solid var(--line);
  }
  .nav-links a::after { display: none; }
  .nav-links a:last-of-type { border-bottom: none; }

  /* "Teklif Al" butonu mobil menüde de görünsün */
  .nav-cta {
    display: inline-flex;
    justify-content: center;
    margin: 16px 0 0;
    width: 100%;
  }
  .nav-toggle { display: flex; padding: 10px; }   /* >=44px dokunma hedefi */

  .nav { height: 72px; }
  .header.scrolled { backdrop-filter: blur(14px); }

  .section { padding: 64px 0; }
  .container { padding: 0 18px; }
  .hero { padding-top: 72px; }
  .hero p { font-size: 1.05rem; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { margin: 0 auto; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }

  /* iç sayfa başlık boşluğu */
  .page-hero { padding: 120px 0 56px; }

  /* hizmet blokları: görsel üstte, metin altta */
  .service-block { gap: 28px; padding: 40px 0; }
  .sb-visual { aspect-ratio: 16/9; font-size: 3.2rem; }

  /* CTA / kart iç boşlukları */
  .cta-band { padding: 48px 24px; }
  .card { padding: 32px 24px; }
  .form-card { padding: 28px 22px; }
  .stats { padding: 32px 22px; gap: 20px; }

  /* hero butonları tam genişlik, kolay tıklanır */
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .hero-scroll { display: none; }

  /* iOS'ta input'a dokununca otomatik zoom olmaması için >=16px */
  .field input, .field select, .field textarea { font-size: 16px; }

  .map-embed { height: 280px; }
}

@media (max-width: 460px) {
  .container { padding: 0 16px; }
  .cards, .values, .stats, .logo-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .btn { padding: 14px 24px; }
  .nav-brand img { height: 42px; }
}