/* =================================================================
   Erkekli Madencilik — site tasarım sistemi
   Bootstrap 4 grid/yardımcı sınıfları ve Font Awesome plugins.css'ten gelir.
   ================================================================= */

:root {
  --ink: #14181d;
  --ink-2: #1e252d;
  --ink-3: #2a333d;
  --steel: #5d6875;
  --steel-light: #8a95a1;
  --line: #e7e9ec;
  --bg: #ffffff;
  --bg-soft: #f6f4f0;
  --surface: #ffffff;        /* kart / panel yüzeyi */
  --heading: #14181d;        /* başlık ve vurgulu metin */
  --link: #c95f05;           /* bağlantı / etiket turuncusu (koyu zeminde açılır) */
  --logo-ink: #3f484e;
  --header-bg: rgba(255, 255, 255, .96);
  --brand: #e8740c;
  --brand-600: #c95f05;
  --brand-50: #fdf1e6;
  --whatsapp: #25d366;
  --whatsapp-600: #1da851;

  --font-head: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(20, 24, 29, .06);
  --shadow: 0 12px 32px rgba(20, 24, 29, .08);
  --shadow-lg: 0 24px 60px rgba(20, 24, 29, .14);

  --header-h: 84px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Temel ---------- */
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--steel);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--heading);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.3rem; letter-spacing: -.01em; }
p { margin: 0 0 1rem; }
a { color: var(--link); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand); text-decoration: none; }
img { max-width: 100%; height: auto; }
address { font-style: normal; margin: 0; }
::selection { background: var(--brand); color: #fff; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 2000;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
}
.skip-link:focus { top: 12px; color: #fff; }

:focus-visible { outline: 3px solid rgba(232, 116, 12, .55); outline-offset: 2px; }

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--ink); color: #b9c2cc; }
.section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head);
  font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  color: var(--link);
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.section--dark .eyebrow, .hero .eyebrow, .page-hero .eyebrow { color: #ffb36b; }

.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head .eyebrow::after { content: ""; width: 28px; height: 2px; background: currentColor; }
.section-head p { font-size: 1.08rem; }
.lead { font-size: 1.15rem; line-height: 1.7; }

/* ---------- Butonlar ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-head); font-weight: 700; font-size: .98rem; line-height: 1.2;
  border: 2px solid transparent; border-radius: 999px;
  cursor: pointer; white-space: nowrap;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease), box-shadow .2s;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button--brand { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(232, 116, 12, .3); }
.button--brand:hover { background: var(--brand-600); color: #fff; }
.button--dark { background: var(--ink); color: #fff; }
.button--dark:hover { background: var(--ink-3); color: #fff; }
.button--ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.button--ghost:hover { background: #fff; border-color: #fff; color: var(--ink); }
.button--outline { border-color: var(--line); color: var(--heading); background: var(--surface); }
.button--outline:hover { border-color: var(--heading); color: var(--heading); }
.button--light { background: #fff; color: var(--ink); }
.button--light:hover { background: var(--ink); color: #fff; }
.button--whatsapp { background: var(--whatsapp); color: #fff; }
.button--whatsapp:hover { background: var(--whatsapp-600); color: #fff; }
.button--sm { padding: 10px 18px; font-size: .88rem; }
.button--block { width: 100%; }
.button[disabled] { opacity: .7; cursor: wait; transform: none; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 700; color: var(--heading);
}
.link-arrow i { transition: transform .2s var(--ease); color: var(--brand); }
.link-arrow:hover { color: var(--link); }
.link-arrow:hover i { transform: translateX(4px); }

/* ---------- Topbar ---------- */
.topbar { background: var(--ink); color: #aeb7c1; font-size: .85rem; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 42px; }
.topbar a { color: #dfe4e9; }
.topbar a:hover { color: #fff; }
.topbar-list { display: flex; gap: 26px; margin: 0; padding: 0; list-style: none; }
.topbar-list i { color: var(--brand); margin-right: 8px; }
@media (max-width: 767.98px) { .topbar { display: none; } }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
/* Bulanık zemin pseudo-element'te: backdrop-filter header'a verilirse mobil menü (fixed) header'a göre konumlanır */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--header-bg);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }
.site-header .container { display: flex; align-items: center; gap: 20px; height: var(--header-h); transition: height .3s var(--ease); }
.site-header.is-scrolled .container { height: 70px; }

/* Logo: şeffaf simge + metin (her ekranda keskin, okunaklı) */
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; color: var(--logo-ink); }
.brand:hover { color: var(--logo-ink); }
.brand-icon { display: block; height: 48px; width: auto; transition: height .3s var(--ease); }
.brand-text { display: flex; flex-direction: column; line-height: 1; padding-left: 12px; border-left: 2px solid var(--line); }
.brand-name { font-family: var(--font-head); font-weight: 800; font-size: 1.55rem; letter-spacing: .03em; color: var(--logo-ink); transition: font-size .3s var(--ease); }
.brand-tagline {
  margin-top: 6px; font-family: var(--font-head); font-weight: 700; font-size: .6rem;
  letter-spacing: .15em; text-transform: uppercase; color: #e06912; white-space: nowrap;
}
.site-header.is-scrolled .brand-icon { height: 42px; }
.site-header.is-scrolled .brand-name { font-size: 1.4rem; }
.brand--light, .brand--light:hover { color: #fff; }
.brand--light .brand-name { color: #fff; }
.brand--light .brand-text { border-left-color: #2c3540; }
.brand--light .brand-tagline { color: #ff9a45; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 2px; margin: 0; padding: 0; list-style: none; }
.main-nav ul a {
  position: relative; display: block; padding: 10px 12px; white-space: nowrap;
  font-family: var(--font-head); font-weight: 700; font-size: .96rem; color: var(--heading);
}
.main-nav ul a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px;
  background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.main-nav ul a:hover::after, .main-nav .active a::after { transform: scaleX(1); }
.main-nav .active a { color: var(--link); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone { display: flex; align-items: center; gap: 10px; color: var(--heading); line-height: 1.25; white-space: nowrap; }
.header-phone:hover { color: var(--heading); }
.header-phone .icon {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: var(--brand-50); color: var(--link);
}
.header-phone small { display: block; font-size: .75rem; color: var(--steel); }
.header-phone strong { font-family: var(--font-head); font-size: .98rem; }

.nav-toggle {
  display: none; margin-left: auto;
  width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--surface); color: var(--heading); font-size: 1.15rem; cursor: pointer;
}

@media (max-width: 1199.98px) { .header-phone { display: none; } }
@media (max-width: 991.98px) {
  :root { --header-h: 72px; }
  .brand { gap: 10px; }
  .brand-icon, .site-header.is-scrolled .brand-icon { height: 40px; }
  .brand-text { padding-left: 10px; }
  .brand-name, .site-header.is-scrolled .brand-name { font-size: 1.3rem; }
  .brand-tagline { font-size: .56rem; letter-spacing: .12em; margin-top: 4px; }
  .nav-toggle { display: grid; place-items: center; margin-left: 0; }
  .header-actions { margin-left: auto; }
  .header-actions .button { display: none; }
  .main-nav {
    position: fixed; left: 0; right: 0; top: var(--nav-top, var(--header-h)); bottom: 0;
    background: var(--bg); padding: 20px 16px 40px; overflow-y: auto;
    transform: translateX(100%); transition: transform .35s var(--ease); visibility: hidden;
  }
  .nav-open .main-nav { transform: none; visibility: visible; }
  .nav-open { overflow: hidden; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul a { padding: 16px 8px; font-size: 1.15rem; border-bottom: 1px solid var(--line); }
  .main-nav ul a::after { display: none; }
  .main-nav .nav-cta { display: flex !important; flex-direction: column; gap: 12px; margin-top: 24px; }
}
.main-nav .nav-cta { display: none; }

/* ---------- Hero (ana sayfa) ---------- */
.hero {
  position: relative; overflow: hidden; color: #d9dfe5;
  /* Tam ekran: üst bar + header dışında kalan tüm yükseklik */
  min-height: max(640px, calc(100vh - var(--header-h) - 42px));
  min-height: max(640px, calc(100svh - var(--header-h) - 42px));
  display: flex; align-items: center;
  background: var(--ink);
}
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide {
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.03);
  transition: opacity 1.2s ease, transform 8s linear;
  backface-visibility: hidden;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(14, 17, 21, .6) 0%, rgba(14, 17, 21, .3) 38%, rgba(14, 17, 21, 0) 70%),
    linear-gradient(0deg, rgba(14, 17, 21, .36) 0%, transparent 26%);
}
.hero .container { position: relative; z-index: 2; padding-top: 60px; padding-bottom: 120px; }
.hero-content { max-width: 780px; }
.hero h1 { color: #fff; margin-bottom: 22px; font-size: clamp(2.3rem, 5vw, 4.4rem); text-shadow: 0 2px 24px rgba(0, 0, 0, .25); }
.hero h1 span { color: var(--brand); }
.hero .lead { color: #c9d1d9; max-width: 560px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 0; padding: 0; list-style: none; font-size: .95rem; }
.hero-trust li { display: flex; align-items: center; gap: 10px; color: #e7ebef; }
.hero-trust i { color: var(--brand); }
/* Slider kontrolü: ← 01 ━━ 04 → */
.hero-nav {
  position: absolute; z-index: 3; right: max(24px, calc((100vw - 1140px) / 2 + 15px)); bottom: 112px;
  display: flex; align-items: center; gap: 14px;
}
.hero-arrow {
  width: 52px; height: 52px; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center; font-size: 1rem;
  color: #fff; background: rgba(255, 255, 255, .08); border: 1.5px solid rgba(255, 255, 255, .45);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: background-color .2s, border-color .2s, transform .2s var(--ease);
}
.hero-arrow:hover { background: #fff; border-color: #fff; color: var(--ink); transform: scale(1.06); }
.hero-arrow:focus-visible { outline-color: #fff; }
.hero-counter { display: flex; align-items: center; gap: 12px; font-family: var(--font-head); font-weight: 700; color: rgba(255, 255, 255, .7); font-size: .95rem; }
.hero-counter strong { color: #fff; font-size: 1.1rem; min-width: 22px; }
.hero-progress { position: relative; width: 72px; height: 2px; background: rgba(255, 255, 255, .3); overflow: hidden; border-radius: 2px; }
.hero-progress span { position: absolute; inset: 0; background: #fff; transform: scaleX(0); transform-origin: left; }
.hero-progress.is-running span { animation: hero-progress var(--hero-duration, 6500ms) linear forwards; }
.hero.is-paused .hero-progress span { animation-play-state: paused; }
@keyframes hero-progress { to { transform: scaleX(1); } }
@media (max-width: 767.98px) {
  .hero { min-height: max(580px, calc(100svh - var(--header-h))); }
  .hero::after { background: linear-gradient(0deg, rgba(14, 17, 21, .78) 0%, rgba(14, 17, 21, .5) 45%, rgba(14, 17, 21, .22) 100%); }
  .hero .container { padding-top: 48px; padding-bottom: 96px; }
  .hero-nav { right: 16px; bottom: 20px; gap: 10px; }
  .hero-arrow { width: 42px; height: 42px; font-size: .9rem; }
  .hero-progress { width: 44px; }
  .hero-actions .button { flex: 1 1 auto; }
}

/* Hero altındaki özellik kartı */
.highlights { position: relative; z-index: 5; margin-top: -72px; }
.highlights-card {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.highlight { display: flex; gap: 16px; padding: 30px 28px; border-right: 1px solid var(--line); }
.highlight:last-child { border-right: 0; }
.highlight .icon {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--brand-50); color: var(--link); font-size: 1.25rem;
}
.highlight h3 { font-size: 1.05rem; margin-bottom: 4px; }
.highlight p { font-size: .92rem; line-height: 1.55; margin: 0; }
@media (max-width: 991.98px) {
  .highlights { margin-top: -48px; }
  .highlights-card { grid-template-columns: repeat(2, 1fr); }
  .highlight:nth-child(2) { border-right: 0; }
  .highlight:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 575.98px) {
  .highlights { margin-top: 0; padding-top: 24px; }
  .highlights-card { grid-template-columns: 1fr; }
  .highlight { border-right: 0; border-bottom: 1px solid var(--line); padding: 22px; }
  .highlight:last-child { border-bottom: 0; }
}

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.page-hero {
  position: relative; overflow: hidden; color: #c9d1d9;
  padding: clamp(80px, 11vw, 140px) 0 clamp(64px, 8vw, 100px);
  background: var(--ink) center / cover no-repeat;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(14, 17, 21, .92) 0%, rgba(14, 17, 21, .65) 60%, rgba(14, 17, 21, .4) 100%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.page-hero .lead { max-width: 620px; margin: 0; }
.breadcrumb-nav ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; padding: 0; list-style: none; font-size: .9rem; }
.breadcrumb-nav li + li::before { content: "/"; margin-right: 8px; color: #6f7a86; }
.breadcrumb-nav a { color: #dfe4e9; }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav [aria-current] { color: #ffb36b; }

/* ---------- Görsel + metin bölümü ---------- */
.media-frame { position: relative; padding: 0 0 28px 28px; }
.media-frame::before {
  content: ""; position: absolute; left: 0; bottom: 0; width: 60%; height: 70%;
  border-radius: var(--radius-lg); background: var(--ink-2);
}
.media-frame img {
  position: relative; display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.media-badge {
  position: absolute; right: -12px; bottom: 56px; z-index: 2;
  display: flex; align-items: center; gap: 14px; max-width: 260px;
  padding: 18px 20px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-lg);
}
.media-badge .icon {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--ink); color: var(--brand);
}
.media-badge strong { display: block; font-family: var(--font-head); color: var(--heading); line-height: 1.3; }
.media-badge span { font-size: .85rem; }
@media (max-width: 575.98px) { .media-badge { right: 8px; bottom: 44px; max-width: 220px; } }

.media-badge .icon--number { background: var(--ink); color: var(--brand); font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; }

/* Rakamlarla bandı */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(56px, 7vw, 88px);
  border-top: 1px solid var(--line);
}
.stat { padding: 32px 24px 0; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat strong {
  display: block; margin-bottom: 6px;
  font-family: var(--font-head); font-weight: 800; letter-spacing: -.02em; line-height: 1.1;
  font-size: clamp(1.9rem, 3.4vw, 2.8rem); color: var(--heading);
}
.stat strong span { color: var(--brand); }
.stat strong small { display: block; font-size: .95rem; font-weight: 700; color: var(--link); letter-spacing: 0; margin-top: 4px; }
.stat > span { font-size: .95rem; }
@media (max-width: 991.98px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
}
@media (max-width: 575.98px) {
  .stat { padding: 24px 12px 0; }
  .stat:nth-child(odd) { padding-left: 0; }
}

.check-list { margin: 24px 0 32px; padding: 0; list-style: none; display: grid; gap: 16px; }
.check-list li { display: flex; gap: 14px; }
.check-list i {
  flex-shrink: 0; width: 26px; height: 26px; margin-top: 2px; border-radius: 50%;
  display: grid; place-items: center; font-size: .72rem; background: var(--ink); color: #fff;
}
.check-list strong { display: block; font-family: var(--font-head); color: var(--heading); }

/* ---------- Hizmet kartları ---------- */
.service-card {
  position: relative; height: 100%; display: flex; flex-direction: column;
  background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card-image { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.service-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.service-card:hover .service-card-image img { transform: scale(1.06); }
.service-card-num {
  position: absolute; left: 24px; top: -28px; z-index: 1;
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: var(--ink); color: var(--brand); font-family: var(--font-head); font-weight: 800; font-size: 1.1rem;
  box-shadow: 0 8px 20px rgba(20, 24, 29, .25);
}
.service-card-body { position: relative; display: flex; flex-direction: column; flex: 1; padding: 40px 28px 30px; }
.service-card-body p { flex: 1; }

/* ---------- Ürün kartları ---------- */
.filter-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.filter-bar button {
  padding: 10px 20px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface);
  font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--heading); cursor: pointer;
  transition: all .2s;
}
.filter-bar button:hover { border-color: var(--heading); }
.filter-bar button.is-active { background: var(--ink); border-color: var(--heading); color: #fff; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.product-card[hidden] { display: none; }
.product-card-image { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--bg-soft); }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.product-card:hover .product-card-image img { transform: scale(1.05); }
.product-tag {
  position: absolute; left: 14px; top: 14px;
  padding: 5px 12px; border-radius: 999px; font-size: .75rem; font-weight: 700; letter-spacing: .04em;
  background: rgba(20, 24, 29, .78); color: #fff; backdrop-filter: blur(4px);
}
.product-card-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.product-card-body h3 { font-size: 1.15rem; margin-bottom: 6px; }
.product-card-body p { flex: 1; font-size: .95rem; margin-bottom: 18px; }
.product-card-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); }
@media (max-width: 991.98px) { .product-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (max-width: 575.98px) { .product-grid { grid-template-columns: 1fr; } }

/* ---------- Süreç adımları ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: step; position: relative; }
.step { position: relative; padding: 32px 26px; border-radius: var(--radius-lg); background: var(--ink-2); border: 1px solid #2c3540; }
.step-num {
  display: inline-grid; place-items: center; width: 54px; height: 54px; margin-bottom: 22px; border-radius: 50%;
  font-family: var(--font-head); font-weight: 800; color: var(--brand);
  border: 2px solid rgba(232, 116, 12, .5); background: rgba(232, 116, 12, .08);
}
.step h3 { font-size: 1.12rem; }
.step p { margin: 0; font-size: .95rem; }
@media (max-width: 991.98px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575.98px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Değer kartları ---------- */
.value-card { height: 100%; padding: 34px 28px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); transition: border-color .3s, box-shadow .3s; }
.value-card:hover { border-color: transparent; box-shadow: var(--shadow); }
.value-card .icon {
  width: 60px; height: 60px; margin-bottom: 22px; border-radius: 16px; display: grid; place-items: center;
  background: var(--brand-50); color: var(--link); font-size: 1.4rem;
}
.value-card h3 { font-size: 1.15rem; }
.value-card p { margin: 0; font-size: .95rem; }

/* ---------- CTA bandı ---------- */
.cta-band {
  position: relative; overflow: hidden;
  padding: clamp(40px, 6vw, 64px);
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  box-shadow: inset 6px 0 0 var(--brand);
  color: #b9c2cc;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band::before {
  content: ""; position: absolute; right: -80px; top: -120px; width: 360px; height: 360px; border-radius: 50%;
  border: 60px solid rgba(255, 255, 255, .04);
}
.cta-band > * { position: relative; }
.cta-band h2 { color: #fff; margin-bottom: 8px; font-size: clamp(1.6rem, 2.8vw, 2.3rem); }
.cta-band p { margin: 0; font-size: 1.05rem; color: #b9c2cc; }
.cta-band-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- İletişim ---------- */
.contact-panel { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: clamp(28px, 4vw, 44px); }
.contact-panel h3 { font-size: 1.4rem; }
.info-list { margin: 28px 0 0; padding: 0; list-style: none; display: grid; gap: 22px; }
.info-list li { display: flex; gap: 16px; align-items: flex-start; }
.info-list .icon {
  flex-shrink: 0; width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: var(--ink); color: var(--brand); font-size: 1.1rem;
}
.info-list small { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--steel-light); font-weight: 600; }
.info-list strong, .info-list a { font-family: var(--font-head); font-size: 1.05rem; color: var(--heading); font-weight: 700; }
.info-list a:hover { color: var(--link); }

.info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card {
  display: flex; gap: 18px; padding: 28px; border-radius: var(--radius-lg); background: var(--surface);
  box-shadow: var(--shadow-sm); border: 1px solid var(--line); color: var(--steel);
  transition: transform .3s var(--ease), box-shadow .3s;
}
a.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); color: var(--steel); }
.info-card .icon {
  flex-shrink: 0; width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--brand-50); color: var(--link); font-size: 1.25rem;
}
.info-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.info-card p { margin: 0; }
@media (max-width: 991.98px) { .info-cards { grid-template-columns: 1fr; } }

.map-frame { height: 100%; min-height: 420px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.map-frame iframe { display: block; width: 100%; height: 100%; min-height: 420px; border: 0; }

/* Form */
.contact-form label { display: block; margin-bottom: 6px; font-size: .88rem; font-weight: 600; color: var(--heading); }
.contact-form .form-group { margin-bottom: 18px; }
.contact-form .form-control {
  height: auto; padding: 13px 16px; font-size: 1rem; color: var(--heading);
  background: var(--bg-soft); border: 1px solid transparent; border-radius: 12px;
  transition: border-color .2s, background-color .2s, box-shadow .2s;
}
.contact-form .form-control:focus { background: var(--surface); border-color: var(--brand); box-shadow: 0 0 0 4px rgba(232, 116, 12, .12); }
.contact-form textarea.form-control { resize: vertical; min-height: 140px; }
.form-error { display: none; padding: 10px 14px; margin-bottom: 16px; border-radius: 10px; background: #fdecec; color: #b42318; font-size: .92rem; }
.form-note { margin: 14px 0 0; font-size: .8rem; color: var(--steel-light); text-align: center; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.grecaptcha-badge { visibility: hidden; }

/* Bildirim */
.toast-msg {
  position: fixed; left: 50%; top: 24px; z-index: 3000; transform: translateX(-50%);
  display: flex; align-items: flex-start; gap: 14px; width: min(520px, calc(100% - 32px));
  padding: 18px 20px; border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-lg);
  border-left: 5px solid var(--whatsapp); animation: toast-in .4s var(--ease);
}
.toast-msg.is-error { border-left-color: #d92d20; }
.toast-msg > i { font-size: 1.4rem; margin-top: 2px; color: var(--whatsapp-600); }
.toast-msg.is-error > i { color: #d92d20; }
.toast-msg strong { display: block; font-family: var(--font-head); color: var(--heading); }
.toast-msg p { margin: 0; font-size: .95rem; }
.toast-close { margin-left: auto; border: 0; background: none; font-size: 1.1rem; color: var(--steel); cursor: pointer; padding: 0 4px; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, -12px); } }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #98a3ae; font-size: .95rem; }
.footer-main { padding: 80px 0 48px; }
.footer-brand .brand { margin-bottom: 24px; }
.footer-brand .brand-icon { height: 56px; }
.site-footer h4 { color: #fff; font-size: 1rem; letter-spacing: .02em; margin-bottom: 22px; }
.footer-links { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.footer-links a { color: #b9c2cc; }
.footer-links a:hover { color: var(--brand); }
.footer-contact { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; }
.footer-contact li { display: flex; gap: 12px; }
.footer-contact i { color: var(--brand); margin-top: 6px; width: 16px; text-align: center; }
.footer-contact a { color: #dfe4e9; }
.footer-contact a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid #262e37; padding: 22px 0; font-size: .87rem; }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.social-links { display: flex; gap: 10px; margin-top: 22px; }
.social-links a {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: #222a33; color: #dfe4e9;
}
.social-links a:hover { background: var(--brand); color: #fff; }

/* ---------- Yüzen butonlar ---------- */
.float-whatsapp {
  position: fixed; left: 24px; bottom: 24px; z-index: 900;
  width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center;
  background: var(--whatsapp); color: #fff; font-size: 1.9rem; box-shadow: 0 10px 30px rgba(37, 211, 102, .4);
  transition: transform .2s var(--ease);
}
.float-whatsapp:hover { color: #fff; transform: scale(1.08); }
.float-whatsapp::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--whatsapp);
  animation: pulse 2.4s infinite;
}
@keyframes pulse { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }

.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--ink); color: #fff; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand); }

.mobile-contact-bar { display: none; }
@media (max-width: 767.98px) {
  .mobile-contact-bar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 999;
    background: var(--surface); box-shadow: 0 -4px 20px rgba(0, 0, 0, .12);
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); gap: 10px;
  }
  .mobile-contact-bar a {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 10px; border-radius: 12px; font-family: var(--font-head); font-weight: 700; color: #fff;
  }
  .mobile-contact-bar .mcb-call { background: var(--ink); }
  .mobile-contact-bar .mcb-whatsapp { background: var(--whatsapp); }
  body { padding-bottom: 76px; }
  .float-whatsapp { display: none; }
  .to-top { bottom: 92px; right: 16px; }
}

/* ---------- Kaydırınca beliren animasyon ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.js [data-reveal-delay="1"] { transition-delay: .1s; }
.js [data-reveal-delay="2"] { transition-delay: .2s; }
.js [data-reveal-delay="3"] { transition-delay: .3s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- Hizmet sayfaları ---------- */
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.content-body h2 { font-size: clamp(1.45rem, 2.4vw, 1.9rem); margin-top: 2.2rem; }
.content-body h2:first-child { margin-top: 0; }
.content-body p { font-size: 1.05rem; line-height: 1.8; }

.faq-list { display: grid; gap: 12px; margin-top: 18px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: box-shadow .2s; }
.faq-item[open] { box-shadow: var(--shadow-sm); border-color: transparent; }
.faq-item summary {
  position: relative; list-style: none; cursor: pointer;
  padding: 18px 56px 18px 22px; font-family: var(--font-head); font-weight: 700; color: var(--heading);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--brand-50); color: var(--link); font-size: 1.1rem; transition: transform .2s;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0; padding: 0 22px 20px; }

.sidebar-sticky { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 24px; }
.sidebar-card { padding: 30px 28px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); }
.sidebar-card h3 { font-size: 1.15rem; margin-bottom: 16px; }
.sidebar-card--dark { background: var(--ink); border-color: var(--heading); color: #c3ccd5; }
.sidebar-card--dark h3, .sidebar-card--dark .check-list strong { color: #fff; }
.check-list--compact { margin: 0 0 24px; gap: 12px; font-size: .95rem; }
.check-list--compact i { width: 22px; height: 22px; font-size: .65rem; }
.sidebar-phone { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px; font-family: var(--font-head); font-weight: 700; color: #fff; }
.sidebar-phone:hover { color: var(--brand); }
.sidebar-links { margin: 0; padding: 0; list-style: none; }
.sidebar-links li + li { border-top: 1px solid var(--line); }
.sidebar-links a { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; font-weight: 600; color: var(--heading); }
.sidebar-links a i { color: var(--brand); font-size: .8rem; transition: transform .2s; }
.sidebar-links a:hover { color: var(--link); }
.sidebar-links a:hover i { transform: translateX(4px); }
@media (max-width: 991.98px) { .sidebar-sticky { position: static; } }

.area-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.area-chips li {
  padding: 9px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line);
  font-weight: 600; font-size: .92rem; color: var(--heading);
}
.area-chips li.is-main { background: var(--ink); border-color: var(--heading); color: #fff; }
.area-chips li.is-main i { color: var(--brand); margin-right: 6px; }

/* ---------- 404 ---------- */
.notfound-code {
  font-family: var(--font-head); font-weight: 800; line-height: 1; letter-spacing: -.04em;
  font-size: clamp(5rem, 14vw, 9rem); color: var(--brand); margin-bottom: 8px;
}
.notfound-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 24px; margin: 40px 0 0; padding: 0; list-style: none; }
.notfound-links a { font-weight: 600; }

/* Üst bardaki firma adı (Türkçe büyük harf: html lang="tr" sayesinde i → İ) */
.topbar-brand { font-family: var(--font-head); font-weight: 800; letter-spacing: .04em; text-transform: uppercase; color: #fff; }
@media (max-width: 1199.98px) { .topbar-list--extra li:last-child { display: none; } }
@media (max-width: 991.98px) { .topbar-list--extra { display: none; } }
.footer-name { font-size: .95rem; line-height: 1.4; margin-bottom: 12px; }

/* ---------- Okunabilirlik: hero metni daha hafif karartmada da net kalsın ---------- */
.hero .lead, .hero-trust li, .hero .eyebrow { text-shadow: 0 1px 12px rgba(0, 0, 0, .55); }
.hero h1 { text-shadow: 0 2px 28px rgba(0, 0, 0, .5); }

/* ---------- Gece / gündüz modu düğmesi ---------- */
.theme-toggle {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; cursor: pointer;
  display: grid; place-items: center; font-size: 1rem;
  border: 1px solid var(--line); background: var(--surface); color: var(--heading);
  transition: border-color .2s, transform .2s var(--ease), background-color .2s;
}
.theme-toggle:hover { border-color: var(--heading); transform: rotate(12deg); }
.theme-toggle .fa-sun { display: none; color: #ffb454; }
[data-theme="dark"] .theme-toggle .fa-sun { display: block; }
[data-theme="dark"] .theme-toggle .fa-moon { display: none; }

/* ---------- Gece modu ---------- */
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1318;
  --bg-soft: #151a20;
  --surface: #1a2027;
  --heading: #f1f3f5;
  --steel: #a6b0bb;
  --steel-light: #7f8a96;
  --line: #28303a;
  --brand-50: rgba(232, 116, 12, .16);
  --link: #ff9a45;
  --logo-ink: #f1f3f5;
  --header-bg: rgba(15, 19, 24, .92);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .4);
  --shadow: 0 12px 32px rgba(0, 0, 0, .45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, .55);
}
[data-theme="dark"] .brand-tagline { color: #ff9a45; }
[data-theme="dark"] .brand-text { border-left-color: #2f3843; }
[data-theme="dark"] .media-frame::before { background: #2a333d; }
[data-theme="dark"] .section--dark { background: #0a0d10; }
[data-theme="dark"] .sidebar-card--dark { background: #1e252d; border-color: #2a333d; }
[data-theme="dark"] .site-footer { border-top: 1px solid #20272f; }
[data-theme="dark"] .button--dark { background: #2a333d; }
[data-theme="dark"] .button--dark:hover { background: #36414d; }
[data-theme="dark"] .button--outline:hover { border-color: var(--heading); }
[data-theme="dark"] .filter-bar button.is-active { background: var(--heading); border-color: var(--heading); color: var(--ink); }
[data-theme="dark"] .area-chips li.is-main { background: #2a333d; border-color: #2a333d; }
[data-theme="dark"] .check-list i { background: var(--brand); }
[data-theme="dark"] .info-list .icon { background: #2a333d; }
[data-theme="dark"] .to-top { background: #2a333d; }
[data-theme="dark"] .contact-form .form-control::placeholder { color: var(--steel-light); }
[data-theme="dark"] .map-frame iframe { filter: invert(.92) hue-rotate(180deg) saturate(.75); }

/* ---------- Dar telefonlarda header: logo + tema + menü düğmesi tek satıra sığsın ---------- */
@media (max-width: 420px) {
  .site-header .container { gap: 8px; }
  .brand { gap: 8px; min-width: 0; }
  .brand-icon, .site-header.is-scrolled .brand-icon { height: 34px; }
  .brand-text { padding-left: 8px; }
  .brand-name, .site-header.is-scrolled .brand-name { font-size: 1.15rem; }
  .brand-tagline { font-size: .48rem; letter-spacing: .08em; margin-top: 3px; }
  .theme-toggle { width: 40px; height: 40px; }
  .nav-toggle { width: 42px; height: 42px; }
}

/* ---------- Kum çeşitleri ---------- */
.sand-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sand-card {
  display: flex; flex-direction: column; padding: 26px 26px 24px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.sand-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.sand-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
.sand-grain {
  padding: 5px 12px; border-radius: 999px; background: var(--brand-50); color: var(--link);
  font-family: var(--font-head); font-weight: 800; font-size: .82rem; letter-spacing: .02em;
}
.sand-tag { font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--steel-light); }
.sand-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.sand-card p { flex: 1; font-size: .95rem; margin-bottom: 16px; }
.sand-note { margin: 28px 0 0; display: flex; gap: 10px; justify-content: center; align-items: flex-start; font-size: .88rem; color: var(--steel-light); text-align: center; }
.sand-note i { margin-top: 4px; color: var(--link); }
@media (max-width: 991.98px) { .sand-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575.98px) { .sand-grid { grid-template-columns: 1fr; } }

/* Kum çeşidi kartında kullanım alanı etiketi (kart eylem satırında) */
.sand-use { font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--steel-light); }
.product-card--sand .product-tag { background: var(--brand); color: #fff; }