/* =========================================================================
   NURHAN KOCABIYIK YENİKÖY TIP MERKEZİ
   Tasarım Sistemi — modern, şık ve sade
   ========================================================================= */

/* ---------- Değişkenler ---------- */
:root {
  /* Marka renkleri (Türk Onkoloji Vakfı turkuaz-mavisi) */
  --brand-900: #08475c;
  --brand-800: #0a5f78;
  --brand-700: #12809e;
  --brand-600: #1795b5;
  --brand-500: #22a7c8;
  --brand-300: #86d3e6;
  --brand-100: #d5eef7;
  --brand-50:  #eef8fc;
  --cream:     #efe6d1; /* logodaki krem tonu — ince vurgular için */

  /* Vurgu (parlak turkuaz - CTA'larda) */
  --accent-600: #0e94b0;
  --accent-500: #12aed0;

  /* Nötr */
  --ink-900: #0d2530;
  --ink-700: #29404a;
  --ink-500: #5a6d76;
  --ink-300: #92a3ab;
  --line:    #e4edf0;
  --surface: #ffffff;
  --bg:      #f4f8fa;
  --bg-tint: #eaf4f7;

  --radius:   18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 3px rgba(13,37,48,.06), 0 1px 2px rgba(13,37,48,.04);
  --shadow:    0 10px 30px -12px rgba(8,71,92,.22);
  --shadow-lg: 0 30px 60px -20px rgba(8,71,92,.35);

  --maxw: 1200px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --font-head: "Plus Jakarta Sans", "Inter", "Segoe UI", system-ui, sans-serif;
}

/* ---------- Reset & taban ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink-700);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Şık, sade dekoratif arka plan */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60vw 60vw at 85% -10%, rgba(34,167,200,.12), transparent 60%),
    radial-gradient(50vw 50vw at -10% 20%, rgba(18,128,158,.10), transparent 55%),
    radial-gradient(40vw 40vw at 50% 120%, rgba(134,211,230,.12), transparent 60%);
  background-color: var(--bg);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Ccircle cx='2' cy='2' r='1' fill='%2312809e' fill-opacity='0.05'/%3E%3C/svg%3E");
  opacity: .6;
}

img { max-width: 100%; display: block; }
/* Boyutu ayrıca belirtilmemiş tüm ikonlar için güvenli varsayılan */
svg { width: 18px; height: 18px; flex: none; }
a { color: var(--brand-700); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink-900); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }
.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }

/* ---------- Yardımcı başlık bloğu ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-700); background: var(--brand-100);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 16px;
}
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p { color: var(--ink-500); font-size: 1.05rem; margin: 0; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  padding: 13px 24px; border-radius: 999px; cursor: pointer;
  border: 1.5px solid transparent; transition: .2s ease; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--brand-700); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--brand-800); transform: translateY(-2px); }
.btn-accent { background: var(--accent-500); color: #fff; box-shadow: 0 10px 24px -10px rgba(18,174,208,.65); }
.btn-accent:hover { background: var(--accent-600); color:#fff; transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--brand-700); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand-300); background: var(--brand-50); }
.btn-white { background:#fff; color: var(--brand-800); }
.btn-white:hover { background: var(--brand-50); transform: translateY(-2px); }
.btn-block { width: 100%; white-space: normal; text-align: center; }
.btn-sm { padding: 9px 16px; font-size: .88rem; }

/* =========================================================================
   HEADER / NAVIGASYON
   ========================================================================= */
.topbar {
  background: var(--brand-900); color: #cfeae6;
  font-size: .85rem;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; flex-wrap: wrap; }
.topbar a { color: #eafff9; font-weight: 600; }
.topbar-info { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.topbar-info span { display: inline-flex; align-items: center; gap: 7px; }
.topbar-info svg { width: 15px; height: 15px; opacity: .85; }
.topbar-cta { display: flex; align-items: center; gap: 18px; }
.topbar-cta a { display: inline-flex; align-items: center; gap: 7px; }
.topbar-cta svg { width: 15px; height: 15px; }

#site-header { display: contents; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 74px; }

.brand { display: flex; align-items: center; gap: 13px; flex: none; }
.brand-text strong, .brand-text small { white-space: nowrap; }
.brand-logo {
  width: 46px; height: 46px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-800));
  display: grid; place-items: center; color: #fff; box-shadow: var(--shadow);
}
.brand-logo svg { width: 26px; height: 26px; }
.brand-logo.has-img { background: #fff; box-shadow: var(--shadow-sm); }
.brand-logo img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.brand-text strong { display: block; font-family: var(--font-head); color: var(--ink-900); font-size: 1.02rem; line-height: 1.15; font-weight: 800; }
.brand-text small { color: var(--brand-700); font-size: .72rem; font-weight: 600; letter-spacing: .02em; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links > li > a, .nav-trigger {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  padding: 10px 12px; border-radius: 10px; font-weight: 600; font-size: .94rem;
  color: var(--ink-700); background: none; border: none; cursor: pointer; font-family: var(--font);
}
.nav-links > li > a:hover, .nav-trigger:hover, .nav-links > li.active > a { color: var(--brand-700); background: var(--brand-50); }
.nav-trigger svg.chev { width: 15px; height: 15px; transition: transform .25s; }

.nav-cta { display: flex; align-items: center; gap: 10px; }

/* Mega menü (poliklinikler açılır) */
.has-mega { position: static; }
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-top: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: .25s ease; z-index: 90;
}
.has-mega:hover .mega, .has-mega:focus-within .mega, .mega:hover { opacity: 1; visibility: visible; transform: translateY(0); }
.has-mega:hover .nav-trigger .chev { transform: rotate(180deg); }
.mega-inner { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; padding: 26px 0 30px; }
.mega-head { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: end; margin-bottom: 6px; }
.mega-head h4 { margin: 0; font-size: 1.15rem; }
.mega-head p { margin: 0; color: var(--ink-500); font-size: .9rem; }
.mega-item {
  display: flex; align-items: center; gap: 11px; padding: 11px 12px; border-radius: 12px;
  color: var(--ink-700); font-weight: 600; font-size: .92rem; transition: .18s;
}
.mega-item:hover { background: var(--brand-50); color: var(--brand-800); transform: translateX(3px); }
.mega-ic { width: 34px; height: 34px; border-radius: 9px; background: var(--brand-100); color: var(--brand-700); display: grid; place-items: center; flex: none; }
.mega-ic svg { width: 19px; height: 19px; }
.mega-foot { grid-column: 1 / -1; margin-top: 14px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.mega-foot span { color: var(--ink-500); font-size: .92rem; }

/* Mobil menü butonu */
.hamburger { display: none; width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.hamburger span, .hamburger span::before, .hamburger span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--ink-900); border-radius: 2px; margin: 0 auto; position: relative; transition: .25s;
}
.hamburger span::before { position: absolute; top: -6px; }
.hamburger span::after { position: absolute; top: 6px; }
body.menu-open .hamburger span { background: transparent; }
body.menu-open .hamburger span::before { top: 0; transform: rotate(45deg); }
body.menu-open .hamburger span::after { top: 0; transform: rotate(-45deg); }

/* =========================================================================
   HERO
   ========================================================================= */
.hero { position: relative; padding: 70px 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.35rem); margin-bottom: 20px; }
.hero h1 .hl { color: var(--brand-700); }
.hero-lead { font-size: 1.14rem; color: var(--ink-500); max-width: 520px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-trust { display: flex; gap: 26px; flex-wrap: wrap; }
.hero-trust div strong { display: block; font-family: var(--font-head); font-size: 1.6rem; color: var(--brand-800); }
.hero-trust div span { font-size: .88rem; color: var(--ink-500); }

.hero-visual { position: relative; }
.hero-card {
  background: #fff; border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.hero-card-top { display: flex; align-items: center; gap: 14px; padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.hero-card-top .ring { width: 54px; height: 54px; border-radius: 16px; background: var(--brand-100); color: var(--brand-700); display: grid; place-items: center; }
.hero-card-top .ring svg { width: 28px; height: 28px; }
.hero-card-top h3 { margin: 0; font-size: 1.1rem; }
.hero-card-top p { margin: 0; font-size: .88rem; color: var(--ink-500); }
.hero-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-mini a { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px; background: var(--brand-50); font-weight: 600; font-size: .9rem; color: var(--ink-700); transition: .18s; }
.hero-mini a:hover { background: var(--brand-100); }
.hero-mini a svg { width: 18px; height: 18px; color: var(--brand-700); flex:none; }
.hero-badge {
  position: absolute; bottom: -22px; left: -22px; background: var(--brand-900); color: #eafff9;
  padding: 16px 20px; border-radius: 18px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px; max-width: 260px;
}
.hero-badge svg { width: 30px; height: 30px; color: var(--brand-300); flex: none; }
.hero-badge strong { display: block; font-family: var(--font-head); font-size: .98rem; }
.hero-badge span { font-size: .8rem; opacity: .82; }

/* =========================================================================
   KART GRID (poliklinik / hizmet)
   ========================================================================= */
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-sm); transition: .22s ease; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-300); }
.card-ic { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, var(--brand-50), var(--brand-100)); color: var(--brand-700); display: grid; place-items: center; margin-bottom: 16px; }
.card-ic svg { width: 27px; height: 27px; }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { font-size: .93rem; color: var(--ink-500); margin-bottom: 16px; }
.card-link { font-weight: 700; font-size: .9rem; color: var(--brand-700); display: inline-flex; align-items: center; gap: 6px; }
.card-link svg { width: 16px; height: 16px; transition: transform .2s; }
.card:hover .card-link svg { transform: translateX(4px); }

/* Ana sayfa poliklinik genişletme */
.poly-hidden { display: none; }
.poly-expanded .poly-hidden { display: block; }

/* Küçük çip listesi */
.chip-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); font-weight: 600; font-size: .92rem; color: var(--ink-700);
  transition: .18s; box-shadow: var(--shadow-sm);
}
.chip:hover { border-color: var(--brand-300); background: var(--brand-50); color: var(--brand-800); transform: translateY(-2px); }
.chip svg { width: 16px; height: 16px; color: var(--brand-600); }

/* =========================================================================
   BANT / CTA
   ========================================================================= */
.band {
  background: linear-gradient(120deg, var(--brand-800), var(--brand-700) 55%, var(--brand-600));
  color: #eafff9; border-radius: var(--radius-lg); padding: 48px; position: relative; overflow: hidden;
}
.band::after { content:""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.07); }
.band-grid { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; position: relative; z-index: 1; }
.band h2 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 8px; }
.band p { margin: 0; opacity: .9; font-size: 1.05rem; }
.band-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* =========================================================================
   DOKTOR KARTLARI
   ========================================================================= */
.doctor { display: flex; flex-direction: column; height: 100%; }
.doctor-head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.doctor .avatar {
  width: 86px; height: 86px; border-radius: 16px; flex: none; overflow: hidden;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-800)); color: #fff;
  display: grid; place-items: center; font-family: var(--font-head); font-weight: 800; font-size: 1.5rem;
  box-shadow: var(--shadow);
}
.doctor .avatar img { width: 100%; height: 100%; object-fit: cover; }
.doctor-id { min-width: 0; }
.doctor-id h3 { margin: 0 0 3px; font-size: 1.06rem; line-height: 1.25; }
.doctor-id .brans { color: var(--brand-700); font-weight: 700; font-size: .9rem; }
.doctor-badge { display: inline-block; margin-top: 7px; background: var(--accent-500); color: #fff; font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; letter-spacing: .02em; }
.doctor-info { margin: 0 0 18px; }
.doctor-info > div { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); font-size: .87rem; }
.doctor-info > div:first-child { border-top: none; padding-top: 0; }
.doctor-info dt { color: var(--ink-500); font-weight: 600; margin: 0; }
.doctor-info dd { color: var(--ink-900); margin: 0; }
.doctor > .btn { margin-top: auto; }

/* =========================================================================
   KURUM LOGOLARI
   ========================================================================= */
.logo-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); min-height: 130px;
  display: grid; place-items: center; padding: 24px; box-shadow: var(--shadow-sm); transition: .2s; text-align: center;
}
.logo-card:hover { box-shadow: var(--shadow); border-color: var(--brand-300); }
.logo-card img { max-height: 70px; width: auto; }
.logo-card .logo-fallback { font-family: var(--font-head); font-weight: 700; color: var(--brand-800); font-size: 1.05rem; }
.logo-card .logo-fallback small { display: block; font-family: var(--font); font-weight: 500; color: var(--ink-300); font-size: .74rem; margin-top: 4px; }

/* =========================================================================
   FORM / RANDEVU
   ========================================================================= */
.form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .92rem; color: var(--ink-900); margin-bottom: 7px; }
.field label .req { color: #d64545; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 12px; font-family: var(--font);
  font-size: 1rem; color: var(--ink-900); background: #fbfdfd; transition: .18s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand-500); background: #fff; box-shadow: 0 0 0 4px var(--brand-100); }
.field textarea { resize: vertical; min-height: 96px; }
.field .hint { font-size: .82rem; color: var(--ink-300); margin-top: 6px; }
.field.err input, .field.err select { border-color: #d64545; }
.field .err-msg { display: none; color: #d64545; font-size: .82rem; margin-top: 6px; }
.field.err .err-msg { display: block; }
.form-note { font-size: .84rem; color: var(--ink-500); background: var(--brand-50); border-radius: 12px; padding: 14px 16px; display: flex; gap: 10px; }
.form-note svg { width: 20px; height: 20px; color: var(--brand-600); flex: none; }

.form-success {
  display: none; text-align: center; padding: 20px 0;
}
.form-success.show { display: block; }
.form-success .check { width: 76px; height: 76px; border-radius: 50%; background: var(--brand-100); color: var(--brand-700); display: grid; place-items: center; margin: 0 auto 18px; }
.form-success .check svg { width: 40px; height: 40px; }

.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-list li:last-child { border-bottom: none; }
.info-list .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-100); color: var(--brand-700); display: grid; place-items: center; flex: none; }
.info-list .ic svg { width: 22px; height: 22px; }
.info-list strong { display: block; font-family: var(--font-head); color: var(--ink-900); font-size: 1rem; }
.info-list span { color: var(--ink-500); font-size: .95rem; }
.info-list a { font-weight: 600; }

/* =========================================================================
   İÇ SAYFA BAŞLIĞI (page hero)
   ========================================================================= */
.page-hero { background: linear-gradient(120deg, var(--brand-900), var(--brand-800)); color: #eafff9; padding: 56px 0 60px; position: relative; overflow: hidden; }
.page-hero::after { content:""; position:absolute; right:-80px; bottom:-100px; width:340px; height:340px; border-radius:50%; background: rgba(94,234,212,.12); }
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { font-size: .85rem; color: #a9d9d1; margin-bottom: 14px; }
.breadcrumb a { color: #d5f5ef; }
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin-bottom: 12px; }
.page-hero p { color: #cdeee8; font-size: 1.08rem; max-width: 640px; margin: 0; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer { background: var(--brand-900); color: #b9d9d4; padding: 64px 0 28px; margin-top: 20px; }
.footer a { color: #d5f5ef; }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-grid--3 { grid-template-columns: 1.7fr 1fr 1.2fr; }
.footer-map { display: block; margin-top: 18px; border-radius: 14px; overflow: hidden; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.04); }
.footer-map iframe { width: 100%; height: 150px; border: 0; display: block; filter: grayscale(.2); pointer-events: none; }
.footer-map span { display: flex; align-items: center; gap: 7px; padding: 10px 12px; font-size: .85rem; color: var(--brand-300); font-weight: 600; }
.footer-map:hover span { color: #fff; }
.footer-poly { padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-poly h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-poly-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px 20px; }
.footer-poly-grid a { display: flex; align-items: center; gap: 9px; font-size: .9rem; padding: 5px 0; color: #b9d9d4; }
.footer-poly-grid a:hover { color: #fff; }
.footer-poly-grid a svg { width: 16px; height: 16px; color: var(--brand-300); }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text small { color: var(--brand-300); }
.footer-brand p { margin-top: 16px; font-size: .92rem; max-width: 320px; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; font-size: .93rem; }
.footer-contact li { display: flex; gap: 11px; margin-bottom: 14px; font-size: .93rem; }
.footer-contact svg { width: 18px; height: 18px; color: var(--brand-300); flex: none; margin-top: 3px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: .85rem; color: #8fb8b1; }

/* Danışma sabit buton (mobil) */
.call-fab { position: fixed; right: 18px; bottom: 18px; z-index: 81; display: none; align-items: center; gap: 9px; background: var(--accent-500); color: #fff; font-weight: 700; padding: 13px 18px; border-radius: 999px; box-shadow: var(--shadow-lg); }
.call-fab svg { width: 20px; height: 20px; }

/* Sol altta sabit "Türk Onkoloji Vakfı" güven kutucuğu (Hemen Ara ile aynı biçim) */
.vakif-fab {
  position: fixed; left: 16px; bottom: 18px; z-index: 81;
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--brand-900); color: #eafff9;
  padding: 10px 16px; border-radius: 999px; box-shadow: var(--shadow-lg);
}
.vakif-fab svg { width: 22px; height: 22px; color: var(--brand-300); flex: none; }
.vakif-fab strong { display: block; font-family: var(--font-head); font-size: .82rem; line-height: 1.15; }
.vakif-fab small { display: block; font-size: .72rem; opacity: .82; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mega-inner { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 480px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* Üst menü 1280px altında tek satıra sığmıyor: hamburger + kayan panel.
   (Bu sınır tov.css ve tov-main.js içinde de 1279px olarak geçer.) */
@media (max-width: 1279px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .hamburger { display: block; }

  /* Mobil menü paneli */
  .nav-links {
    display: flex; position: fixed; inset: 0 0 0 auto; width: min(340px, 86vw);
    background: #fff; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 140px 20px 30px; box-shadow: var(--shadow-lg); transform: translateX(105%);
    transition: transform .3s ease; overflow-y: auto; z-index: 95;
  }
  body.menu-open .nav-links { transform: translateX(0); }
  /* backdrop-filter, sabit konumlu menü panelini başlığa hapseder — mobilde kapat */
  .site-header { -webkit-backdrop-filter: none; backdrop-filter: none; background: #fff; }
  /* Menü açıkken kapatma (hamburger) butonu panelin ÜSTÜNDE kalsın */
  .hamburger { position: relative; z-index: 97; }
  body.menu-open::after { content:""; position: fixed; inset: 0; background: rgba(10,61,58,.4); z-index: 94; }
  .nav-links > li > a, .nav-trigger { width: 100%; font-size: 1.02rem; padding: 13px 14px; }
  .has-mega .mega {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: none; max-height: 0; overflow: hidden; transition: max-height .3s ease; background: var(--brand-50); border-radius: 12px;
  }
  .has-mega.open .mega { max-height: 1400px; }
  .mega-inner { grid-template-columns: minmax(0, 1fr); padding: 10px; gap: 2px; }
  .has-mega .mega .container { padding-inline: 0; }
  .mega-head, .mega-foot { display: none; }
  .nav-cta { margin-left: auto; }
}

@media (max-width: 1140px) {
  .grid-4, .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-wrap { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .section { padding: 60px 0; }
  .band { padding: 34px; }
  .call-fab { display: inline-flex; }
}

@media (max-width: 520px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .hero-mini { grid-template-columns: 1fr; }
  .topbar-info span:nth-child(1) { display: none; }
  .section { padding: 48px 0; }
  .band { padding: 26px; }
  .form-card { padding: 24px; }
  /* Sol-alt kutucuk ile Hemen Ara'nın çakışmaması için sadeleştir */
  .vakif-fab { padding: 9px 13px; gap: 8px; }
  .vakif-fab small { display: none; }
  .vakif-fab strong { font-size: .76rem; }
  .vakif-fab svg { width: 19px; height: 19px; }
  .call-fab { padding: 11px 15px; }
}

/* Küçük giriş animasyonu */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.reveal { animation: fadeUp .5s ease both; }