/* ============================================================
   Erkan Süt — Marka tasarım sistemi
   Premium süt markası görünümü: krem zemin, koyu çam yeşili,
   tereyağı altını vurgu. Mobil öncelikli, bağımlılıksız.
   ============================================================ */

:root {
  /* Erkan Süt kurumsal kimlik: logo yeşili + logo mavisi + gökyüzü */
  --cream:       #F5FAFE;
  --cream-deep:  #E4F1FB;
  --pine:        #1B5E2F;
  --pine-deep:   #11401F;
  --pine-soft:   #2E7D46;
  --blue:        #2D9CDB;
  --blue-deep:   #1F7FBE;
  --sky:         #D9EEFC;
  --butter:      #E4A82A;
  --butter-soft: #F2CE7B;
  --ink:         #22302A;
  --muted:       #5C6E66;
  --line:        #DCE8F2;
  --white:       #FFFFFF;
  --red:         #A63B33;
  --red-bg:      #F7E4E1;
  --amber:       #8A6410;
  --amber-bg:    #F7EDD3;
  --ok-bg:       #E3EFE2;
  --blue:        #23578A;
  --blue-bg:     #E4EDF6;

  --serif: Georgia, 'Times New Roman', 'Palatino Linotype', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 10px 30px rgba(23, 64, 44, .10);
  --shadow-sm: 0 4px 14px rgba(23, 64, 44, .08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16.5px;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.65;
}

img, svg { max-width: 100%; height: auto; }
a { color: var(--pine-soft); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

h1, h2, h3, .display { font-family: var(--serif); color: var(--pine); font-weight: 700; line-height: 1.18; }
h1 { font-size: clamp(2rem, 5vw, 3.3rem); margin: .2em 0 .4em; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin: .3em 0 .5em; }
h3 { font-size: 1.25rem; }

.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue-deep);
  margin-bottom: 10px;
}
.section { padding: 72px 0; }
.section-tight { padding: 44px 0; }
.center { text-align: center; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 680px; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Üst menü ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 246, 234, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 20px; min-height: 76px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-img { height: 50px; width: auto; display: block; }
.brand-logo { width: 42px; height: 42px; flex: none; }
.brand-name { font-family: var(--serif); font-size: 1.45rem; font-weight: 700; color: var(--pine); line-height: 1; }
.brand-name em { font-style: normal; color: var(--blue); }
.brand-sub { display: block; font-family: var(--sans); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

.main-nav { display: none; width: 100%; flex-direction: column; padding: 6px 0 14px; gap: 2px; }
.main-nav.open { display: flex; }
.main-nav a {
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: .98rem;
  padding: 9px 12px; border-radius: 10px;
}
.main-nav a:hover { background: var(--cream-deep); color: var(--pine); }
.main-nav a.active { color: var(--pine); box-shadow: inset 0 -2px 0 var(--butter); border-radius: 0; }
.main-nav a.nav-cta {
  background: var(--pine); color: var(--cream); border-radius: 999px; padding: 9px 18px;
}
.main-nav a.nav-cta:hover { background: var(--pine-deep); color: var(--white); box-shadow: none; }

.header-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.lang-switch { font-size: .85rem; color: var(--muted); }
.lang-switch a { text-decoration: none; color: var(--muted); font-weight: 600; padding: 2px 4px; }
.lang-switch a.active { color: var(--pine); border-bottom: 2px solid var(--butter); }
.nav-toggle { background: none; border: 1px solid var(--line); border-radius: 10px; font-size: 1.25rem; padding: 5px 12px; cursor: pointer; color: var(--pine); }

@media (min-width: 960px) {
  .main-nav { display: flex; flex-direction: row; width: auto; padding: 0; align-items: center; gap: 4px; }
  .nav-toggle { display: none; }
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  font-size: 1rem; font-weight: 700; font-family: var(--sans);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--pine); color: var(--cream); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--pine-deep); color: var(--white); }
.btn-gold { background: var(--butter); color: var(--pine-deep); box-shadow: var(--shadow-sm); }
.btn-gold:hover { background: #d99b1d; }
.btn-outline { background: transparent; color: var(--pine); border-color: var(--pine); }
.btn-outline:hover { background: var(--pine); color: var(--cream); }
.btn-light-outline { background: transparent; color: var(--cream); border-color: rgba(251,246,234,.55); }
.btn-light-outline:hover { background: rgba(251,246,234,.12); color: var(--white); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-danger { background: var(--red); color: #fff; }

/* ---------- Kahraman (hero) ---------- */
.hero {
  position: relative;
  background: linear-gradient(180deg, var(--sky) 0%, var(--cream) 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr; gap: 34px;
  align-items: center; padding: 52px 20px 64px;
}
.hero-copy { text-align: center; max-width: 640px; margin: 0 auto; }
.hero-copy .lead { margin: 0 auto 18px; }
.hero-slogan { font-family: var(--serif); font-style: italic; color: var(--pine-soft); font-size: 1.05rem; margin: 0 0 24px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-photo {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 18px; box-shadow: var(--shadow);
}
.hero-photo img { display: block; width: 100%; border-radius: 12px; }
.hero-photo.cutout { background: none; box-shadow: none; padding: 0; }
.hero-photo.cutout img { border-radius: 0; filter: drop-shadow(0 18px 28px rgba(23, 64, 44, .25)); }
@media (min-width: 920px) {
  .hero-grid { grid-template-columns: 6fr 6fr; padding-top: 64px; }
  .hero-copy { text-align: left; margin: 0; }
  .hero-copy .lead { margin: 0 0 16px; }
  .hero-actions { justify-content: flex-start; }
}

/* ---------- Güven bandı ---------- */
.trust-band { background: var(--pine); color: var(--cream); }
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; padding: 40px 0; }
@media (min-width: 800px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } }
.trust-item { text-align: center; }
.trust-num { font-family: var(--serif); font-size: 2rem; font-weight: 700; color: var(--butter-soft); line-height: 1.1; }
.trust-lbl { font-size: .9rem; opacity: .85; margin-top: 4px; }

/* ---------- Bölme (split) ---------- */
.split { display: grid; grid-template-columns: 1fr; gap: 36px; align-items: center; }
@media (min-width: 880px) { .split { grid-template-columns: 1fr 1fr; gap: 56px; } .split.rev > :first-child { order: 2; } }
.split-art { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); background: var(--cream-deep); }
.split-art svg { display: block; width: 100%; }
.split-art.photo { height: 340px; }
.split-art.photo img, .split-art.photo video { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
@media (min-width: 880px) { .split-art.photo { height: 460px; } }
.split-art.cutout {
  background: linear-gradient(165deg, var(--sky), var(--cream-deep));
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center;
  height: 340px; padding: 24px;
}
.split-art.cutout img { max-height: 100%; width: auto; object-fit: contain; filter: drop-shadow(0 14px 20px rgba(23, 64, 44, .22)); }
@media (min-width: 880px) { .split-art.cutout { height: 440px; } }

/* ---------- Galeri ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 800px) { .gallery-grid { grid-template-columns: repeat(4, 1fr); } }
.gallery-grid img {
  width: 100%; height: 190px; object-fit: cover; display: block;
  border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--line);
}

/* ---------- Ürün kartları ---------- */
.product-grid { display: grid; grid-template-columns: 1fr; gap: 26px; }
@media (min-width: 720px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
.product-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-media { background: linear-gradient(160deg, var(--cream-deep), #EFE3C6); padding: 26px 26px 0; text-align: center; }
.product-media img, .product-media svg { height: 210px; width: auto; margin: 0 auto; display: block; }
.product-body { padding: 22px 26px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-body h3 { margin: 0; font-size: 1.35rem; }
.product-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.product-body p { margin: 0; color: var(--muted); flex: 1; }
.product-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }

/* Ürün sayfası geniş kart */
.product-feature {
  display: grid; grid-template-columns: 1fr; gap: 0;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm); margin-bottom: 34px;
}
@media (min-width: 820px) {
  .product-feature { grid-template-columns: 5fr 7fr; }
  .product-feature.rev { grid-template-columns: 7fr 5fr; }
  .product-feature.rev .pf-media { order: 2; }
}
.pf-media { background: linear-gradient(160deg, var(--cream-deep), #EFE3C6); display: flex; align-items: center; justify-content: center; padding: 40px 30px; }
.pf-media img, .pf-media svg { height: 260px; width: auto; }
.pf-body { padding: 36px 34px; }
.pf-body h2 { margin-top: 0; }

/* ---------- Rozetler ---------- */
.badge {
  display: inline-block; background: var(--cream-deep); border: 1px solid var(--line);
  color: var(--pine); border-radius: 999px; padding: 4px 14px;
  font-size: .82rem; font-weight: 700;
}
.badge-green { background: var(--ok-bg); border-color: #C4D9C2; color: var(--pine); }
.badge-gold { background: var(--amber-bg); border-color: var(--butter-soft); color: var(--amber); }
.badge-red { background: var(--red-bg); border-color: #E3BCB7; color: var(--red); }
.badge-blue { background: var(--blue-bg); border-color: #BDD2E6; color: var(--blue); }

/* ---------- Özellik/ikon kartları ---------- */
.icon-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 680px) { .icon-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .icon-grid.four { grid-template-columns: repeat(4, 1fr); } .icon-grid.three { grid-template-columns: repeat(3, 1fr); } }
.icon-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.icon-card .ic { width: 52px; height: 52px; border-radius: 14px; background: var(--ok-bg); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.icon-card .ic svg { width: 30px; height: 30px; }
.icon-card h3 { margin: 0 0 6px; }
.icon-card p { margin: 0; color: var(--muted); font-size: .97rem; }

/* ---------- İzlenebilirlik bandı ---------- */
.trace-band { background: var(--pine); color: var(--cream); position: relative; overflow: hidden; }
.trace-band .eyebrow { color: var(--butter-soft); }
.trace-band h2 { color: var(--cream); }
.trace-band p { color: rgba(251,246,234,.82); }
.trace-inner { display: grid; grid-template-columns: 1fr; gap: 36px; align-items: center; padding: 68px 0; }
@media (min-width: 880px) { .trace-inner { grid-template-columns: 7fr 5fr; } }
.trace-form { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.trace-form input {
  flex: 1; min-width: 220px; padding: 14px 18px; border-radius: 999px; border: none;
  font-size: 1.05rem; font-family: var(--sans); letter-spacing: .06em;
  background: var(--white); color: var(--ink);
}
.trace-form input:focus { outline: 3px solid var(--butter); }
.trace-art { text-align: center; }
.trace-art svg { max-height: 300px; }

/* ---------- Dalga ayırıcı ---------- */
.wave { display: block; width: 100%; height: 54px; }

/* ---------- Kart / form / tablo (hizmet sayfaları) ---------- */
.card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; margin: 18px 0;
  box-shadow: var(--shadow-sm);
}
.page-head { padding: 56px 0 8px; }
.page-title { margin-bottom: .2em; }
.page-intro { color: var(--muted); max-width: 720px; font-size: 1.06rem; }

.form-inline { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
.form-inline label { font-weight: 700; width: 100%; font-size: .95rem; }
.form-inline input, .form-inline select { flex: 1; min-width: 200px; }
.form-stacked label { display: block; font-weight: 700; margin-bottom: 16px; font-size: .95rem; }
input, select, textarea {
  width: 100%; padding: 12px 14px; margin-top: 6px;
  border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 1rem; font-family: var(--sans);
  background: var(--white); color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2.5px solid var(--butter); outline-offset: 0; border-color: var(--butter); }
small { color: var(--muted); font-weight: 400; }
@media (min-width: 800px) { .form-inline label { width: auto; flex: 2; } }

.alert { padding: 14px 18px; border-radius: 12px; margin: 14px 0; border: 1px solid; font-weight: 500; }
.alert-ok { background: var(--ok-bg); border-color: #C4D9C2; color: var(--pine); }
.alert-warn { background: var(--amber-bg); border-color: #E8D49A; color: var(--amber); }
.alert-danger { background: var(--red-bg); border-color: #E3BCB7; color: var(--red); }

.table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--muted); font-weight: 700; white-space: nowrap; font-size: .92rem; }
.table tr:last-child th, .table tr:last-child td { border-bottom: 0; }

.tracking-code {
  font-size: 1.7rem; font-weight: 800; letter-spacing: 3px; color: var(--pine);
  background: var(--cream); border: 2px dashed var(--butter); border-radius: 12px;
  padding: 16px; text-align: center; font-family: var(--serif);
}

/* ---------- Satış noktaları ---------- */
.store-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 720px) { .store-grid { grid-template-columns: repeat(2, 1fr); } }
.store { display: flex; flex-direction: column; gap: 6px; }
.store h3 { margin: 0; }
.store-loc { color: var(--muted); margin: 0; font-weight: 600; }
.store p { margin: 2px 0; }
.store-stock { font-size: .95rem; }
.store .btn { align-self: flex-start; margin-top: 8px; }

/* ---------- Süreç zaman çizelgesi ---------- */
.timeline { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 18px; }
@media (min-width: 900px) { .timeline { grid-template-columns: repeat(5, 1fr); } }
.timeline li { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; position: relative; box-shadow: var(--shadow-sm); }
.timeline .step { display: inline-flex; width: 34px; height: 34px; border-radius: 50%; background: var(--butter); color: var(--pine-deep); font-weight: 800; align-items: center; justify-content: center; margin-bottom: 10px; }
.timeline h3 { margin: 0 0 4px; font-size: 1.05rem; }
.timeline p { margin: 0; font-size: .92rem; color: var(--muted); }

/* ---------- CTA bandı ---------- */
.cta-band { background: linear-gradient(150deg, var(--butter), #d69a1a); border-radius: var(--radius-lg); padding: 46px 34px; text-align: center; box-shadow: var(--shadow); }
.cta-band h2 { color: var(--pine-deep); margin-top: 0; }
.cta-band p { color: rgba(15,46,31,.75); max-width: 560px; margin: 0 auto 22px; }

/* ---------- Alt bilgi ---------- */
.site-footer { background: var(--pine-deep); color: #D9E2D3; margin-top: 80px; }
.footer-top { display: grid; grid-template-columns: 1fr; gap: 34px; padding: 56px 0 40px; }
@media (min-width: 860px) { .footer-top { grid-template-columns: 4fr 3fr 3fr 3fr; gap: 40px; } }
.site-footer h4 { color: var(--butter-soft); font-family: var(--serif); font-size: 1.05rem; margin: 0 0 14px; letter-spacing: .02em; }
.site-footer a { color: #C7D6BE; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.footer-brand .brand-name { color: var(--cream); font-size: 1.5rem; }
.footer-brand p { color: #A9BCA0; font-size: .95rem; max-width: 300px; }
.footer-logo { background: var(--white); border-radius: 12px; padding: 10px 16px; display: inline-block; margin-bottom: 12px; }
.footer-logo img { height: 44px; width: auto; display: block; }
.footer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; font-size: .96rem; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; flex: none; margin-top: 4px; opacity: .8; }
.footer-bottom { border-top: 1px solid rgba(217,226,211,.16); padding: 18px 0; font-size: .88rem; color: #8FA486; display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; }
.footer-bottom a { color: #8FA486; }

/* ---------- Yardımcılar ---------- */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 22px; }
@media (min-width: 760px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.table-scroll { overflow-x: auto; }

/* --- Kurumsal / Kalite Politikasi --- */
.policy-list { list-style: none; padding: 0; margin: 18px 0 22px; }
.policy-list li { position: relative; padding: 12px 0 12px 34px; border-bottom: 1px solid var(--line); line-height: 1.65; }
.policy-list li:last-child { border-bottom: 0; }
.policy-list li::before { content: "\2713"; position: absolute; left: 0; top: 11px; width: 22px; height: 22px; border-radius: 50%; background: var(--ok-bg); color: var(--pine); font-size: .8rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.doc-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); }