/* =========================================================
   bursanakliyat.site — Ana Tasarım Sistemi
   Saf CSS · Hafif · Mobil öncelikli · Modern
   ========================================================= */

/* ---------- 1. Değişkenler (Design Tokens) ---------- */
:root {
  /* Renkler */
  --c-navy:        #0a2540;
  --c-navy-700:    #0e2f54;
  --c-blue:        #1463c9;
  --c-blue-dark:   #0e4a9c;
  --c-blue-soft:   #e9f1fd;
  --c-orange:      #ff7a18;
  --c-orange-dark: #ec6708;
  --c-green:       #25d366;
  --c-green-dark:  #1da851;
  --c-text:        #1b2a3a;
  --c-muted:       #5a6b7b;
  --c-line:        #e4eaf1;
  --c-bg:          #ffffff;
  --c-bg-soft:     #f4f8fc;
  --c-bg-navy:     #0a2540;

  /* Tipografi */
  --font-base: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --fs-base: 16px;
  --lh-base: 1.7;

  /* Ölçü & yuvarlama */
  --radius:    14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --container: 1180px;

  /* Gölge */
  --sh-sm: 0 2px 8px rgba(10,37,64,.06);
  --sh-md: 0 8px 26px rgba(10,37,64,.10);
  --sh-lg: 0 18px 50px rgba(10,37,64,.16);

  /* Geçiş */
  --tr: .22s ease;

  /* Header yüksekliği */
  --header-h: 76px;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  font-family: var(--font-base);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-blue); text-decoration: none; transition: color var(--tr); }
a:hover { color: var(--c-blue-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4 { line-height: 1.25; color: var(--c-navy); font-weight: 800; }

/* ---------- 3. Yardımcı (Utilities) ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section--soft { background: var(--c-bg-soft); }
.section--navy { background: var(--c-bg-navy); color: #cfe0f0; }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #fff; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
strong, b { font-weight: 700; color: var(--c-navy); }

.section-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow {
  display: inline-block; font-size: .82rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--c-orange); margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); margin-bottom: 14px; }
.section-head p { color: var(--c-muted); font-size: 1.05rem; }
.section--navy .section-head p { color: #aac4dd; }

/* ---------- 4. Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem;
  line-height: 1; text-align: center; transition: all var(--tr); cursor: pointer; white-space: nowrap;
}
.btn svg { width: 19px; height: 19px; flex-shrink: 0; }
.btn--primary { background: var(--c-orange); color: #fff; box-shadow: 0 6px 18px rgba(255,122,24,.35); }
.btn--primary:hover { background: var(--c-orange-dark); color: #fff; transform: translateY(-2px); }
.btn--blue { background: var(--c-blue); color: #fff; }
.btn--blue:hover { background: var(--c-blue-dark); color: #fff; transform: translateY(-2px); }
.btn--whatsapp { background: var(--c-green); color: #fff; box-shadow: 0 6px 18px rgba(37,211,102,.35); }
.btn--whatsapp:hover { background: var(--c-green-dark); color: #fff; transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--c-navy); border: 2px solid var(--c-line); }
.btn--outline:hover { border-color: var(--c-blue); color: var(--c-blue); }
.btn--ghost-light { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.btn--ghost-light:hover { background: rgba(255,255,255,.22); color: #fff; }
.btn--lg { padding: 16px 34px; font-size: 1.08rem; }
.btn--block { width: 100%; }

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000; background: #fff;
  border-bottom: 1px solid var(--c-line); transition: box-shadow var(--tr);
}
.site-header.is-scrolled { box-shadow: var(--sh-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 16px; }

.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand__mark {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-blue), var(--c-navy));
  display: grid; place-items: center; color: #fff;
}
.brand__mark svg { width: 24px; height: 24px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-weight: 800; font-size: 1.18rem; color: var(--c-navy); letter-spacing: -.01em; }
.brand__name span { color: var(--c-orange); }
.brand__tag { font-size: .72rem; color: var(--c-muted); font-weight: 600; }

/* Ana menü */
.main-nav { display: flex; align-items: center; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; }
.main-nav a { color: var(--c-navy); font-weight: 600; font-size: .97rem; padding: 10px 14px; border-radius: 8px; display: inline-flex; align-items: center; gap: 6px; }
.main-nav a:hover { background: var(--c-blue-soft); color: var(--c-blue-dark); }
.main-nav .caret { width: 14px; height: 14px; transition: transform var(--tr); }

/* Dropdown / Mega menü */
.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 270px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  box-shadow: var(--sh-lg); padding: 10px; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: all var(--tr); z-index: 50;
}
.has-dropdown:hover > .dropdown,
.has-dropdown:focus-within > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.has-dropdown:hover .caret { transform: rotate(180deg); }
.dropdown a { display: block; padding: 9px 13px; border-radius: 8px; font-weight: 500; font-size: .93rem; }
.dropdown a:hover { background: var(--c-bg-soft); }

.mega { min-width: 560px; padding: 18px; }
.mega__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px 14px; }
.mega__title { grid-column: 1 / -1; font-size: .76rem; text-transform: uppercase; letter-spacing: .07em; color: var(--c-muted); font-weight: 700; padding: 4px 13px 8px; }

.header-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* Hamburger */
.nav-toggle { display: none; width: 46px; height: 46px; border-radius: 10px; border: 1px solid var(--c-line); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-navy); margin: 4px auto; border-radius: 2px; transition: var(--tr); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative; color: #eaf2fb; overflow: hidden;
  background: linear-gradient(125deg, #0a2540 0%, #103a6b 55%, #0e4a9c 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 88% 8%, rgba(255,122,24,.18), transparent 60%),
    radial-gradient(500px 380px at 6% 90%, rgba(20,99,201,.35), transparent 60%);
}
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 64px 0 72px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2); padding: 7px 15px; border-radius: 100px;
  font-size: .85rem; font-weight: 600; margin-bottom: 22px;
}
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-green); box-shadow: 0 0 0 4px rgba(37,211,102,.25); }
.hero h1 { color: #fff; font-size: clamp(2rem, 4.6vw, 3.1rem); line-height: 1.12; letter-spacing: -.02em; margin-bottom: 20px; }
.hero h1 span { color: var(--c-orange); }
.hero__lead { font-size: 1.12rem; color: #c4d6e9; max-width: 560px; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 22px; }
.hero__trust li { display: flex; align-items: center; gap: 9px; font-size: .95rem; color: #cddcec; }
.hero__trust svg { width: 20px; height: 20px; color: var(--c-green); flex-shrink: 0; }

/* ---------- 7. Hızlı teklif formu ---------- */
.quote-card {
  background: #fff; color: var(--c-text); border-radius: var(--radius-lg);
  box-shadow: var(--sh-lg); padding: 28px; position: relative;
}
.quote-card h2 { font-size: 1.4rem; margin-bottom: 4px; }
.quote-card > p { color: var(--c-muted); font-size: .92rem; margin-bottom: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: var(--c-navy); }
.field label .req { color: var(--c-orange); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1.5px solid var(--c-line); border-radius: 10px;
  background: #fbfdff; color: var(--c-text); transition: border-color var(--tr); outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c-blue); background: #fff; }
.field textarea { resize: vertical; min-height: 80px; }
.form-note { font-size: .8rem; color: var(--c-muted); margin-top: 12px; text-align: center; }

/* ---------- 8. Kartlar / Grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 26px; transition: all var(--tr); height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: #cfe0f3; }
.card__icon {
  width: 54px; height: 54px; border-radius: 13px; display: grid; place-items: center;
  background: var(--c-blue-soft); color: var(--c-blue); margin-bottom: 16px;
}
.card__icon svg { width: 27px; height: 27px; }
.card h3 { font-size: 1.15rem; margin-bottom: 9px; }
.card p { color: var(--c-muted); font-size: .95rem; margin-bottom: 14px; }
.card__link { font-weight: 700; font-size: .92rem; display: inline-flex; align-items: center; gap: 6px; }
.card__link svg { width: 16px; height: 16px; transition: transform var(--tr); }
.card:hover .card__link svg { transform: translateX(4px); }

/* Hizmet kartı (link kart) */
a.card { color: inherit; display: block; }
a.card:hover h3 { color: var(--c-blue); }

/* İlçe çipleri */
.chip-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px;
  background: #fff; border: 1px solid var(--c-line); border-radius: 100px;
  font-weight: 600; font-size: .95rem; color: var(--c-navy); transition: all var(--tr);
}
.chip:hover { background: var(--c-navy); color: #fff; border-color: var(--c-navy); transform: translateY(-2px); }
.chip svg { width: 17px; height: 17px; color: var(--c-orange); }
.chip:hover svg { color: #fff; }

/* Özellik (neden biz) */
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature__ico { width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px; background: rgba(255,122,24,.12); color: var(--c-orange); display: grid; place-items: center; }
.feature__ico svg { width: 24px; height: 24px; }
.feature h3 { font-size: 1.08rem; margin-bottom: 6px; }
.feature p { color: var(--c-muted); font-size: .93rem; }
.section--navy .feature p { color: #a9c2da; }
.section--navy .feature__ico { background: rgba(255,255,255,.08); }

/* Süreç adımları */
.steps { counter-reset: step; display: grid; gap: 20px; }
.step { display: flex; gap: 18px; align-items: flex-start; }
.step__num {
  counter-increment: step; flex-shrink: 0; width: 46px; height: 46px; border-radius: 50%;
  background: var(--c-blue); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 1.1rem;
}
.step__num::before { content: counter(step); }
.step h3 { font-size: 1.1rem; margin-bottom: 5px; }
.step p { color: var(--c-muted); font-size: .94rem; }

/* Fiyat faktör listesi */
.factor-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.factor {
  display: flex; gap: 13px; align-items: flex-start; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); padding: 16px 18px;
}
.factor svg { width: 22px; height: 22px; color: var(--c-blue); flex-shrink: 0; margin-top: 2px; }
.factor strong { display: block; margin-bottom: 2px; }
.factor span { color: var(--c-muted); font-size: .9rem; }

/* ---------- 9. SSS / Accordion ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq__item { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-sm); overflow: hidden; }
.faq__q {
  width: 100%; text-align: left; padding: 18px 22px; font-weight: 700; color: var(--c-navy);
  font-size: 1.02rem; display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.faq__q .ico { flex-shrink: 0; width: 22px; height: 22px; position: relative; transition: transform var(--tr); }
.faq__q .ico::before, .faq__q .ico::after { content: ""; position: absolute; background: var(--c-blue); border-radius: 2px; }
.faq__q .ico::before { top: 10px; left: 2px; right: 2px; height: 2px; }
.faq__q .ico::after { left: 10px; top: 2px; bottom: 2px; width: 2px; transition: transform var(--tr); }
.faq__item.is-open .faq__q .ico::after { transform: rotate(90deg); opacity: 0; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq__a-inner { padding: 0 22px 20px; color: var(--c-muted); }
.faq__item.is-open .faq__a { max-height: 600px; }

/* ---------- 10. Breadcrumb ---------- */
.breadcrumb { background: var(--c-bg-soft); border-bottom: 1px solid var(--c-line); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 14px 0; font-size: .87rem; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; color: var(--c-muted); }
.breadcrumb li:not(:last-child)::after { content: "›"; color: #aab8c6; }
.breadcrumb a { color: var(--c-muted); font-weight: 600; }
.breadcrumb a:hover { color: var(--c-blue); }
.breadcrumb li[aria-current] { color: var(--c-navy); font-weight: 600; }

/* ---------- 11. İçerik tipografisi (article) ---------- */
.page-hero { padding: 50px 0 40px; background: linear-gradient(120deg, #0a2540, #0e4a9c); color: #eaf2fb; }
.page-hero h1 { color: #fff; font-size: clamp(1.7rem, 4vw, 2.6rem); max-width: 880px; margin-bottom: 14px; }
.page-hero p { color: #c4d6e9; max-width: 720px; font-size: 1.08rem; }

.article { max-width: 820px; }
.article > * + * { margin-top: 18px; }
.article h2 { font-size: clamp(1.4rem, 2.6vw, 1.8rem); margin-top: 42px; padding-top: 4px; }
.article h3 { font-size: 1.22rem; margin-top: 30px; }
.article h4 { font-size: 1.06rem; margin-top: 22px; color: var(--c-navy-700); }
.article p, .article li { color: #34465a; }
.article ul, .article ol { padding-left: 4px; display: grid; gap: 10px; }
.article ul li { position: relative; padding-left: 30px; }
.article ul li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 18px; height: 18px;
  background: var(--c-blue-soft); border-radius: 50%;
}
.article ul li::after { content: ""; position: absolute; left: 6px; top: 13px; width: 6px; height: 6px; background: var(--c-blue); border-radius: 50%; }
.article ol { counter-reset: li; }
.article ol li { position: relative; padding-left: 38px; counter-increment: li; }
.article ol li::before {
  content: counter(li); position: absolute; left: 0; top: 1px; width: 24px; height: 24px;
  background: var(--c-blue); color: #fff; border-radius: 7px; font-size: .8rem; font-weight: 700;
  display: grid; place-items: center;
}
.article img { border-radius: var(--radius); margin: 26px 0; box-shadow: var(--sh-sm); }
.article a { font-weight: 600; text-decoration: underline; text-decoration-color: #b9d3f2; text-underline-offset: 3px; }

/* Kısa cevap kutusu (GEO / snippet) */
.answer-box {
  background: var(--c-blue-soft); border-left: 5px solid var(--c-blue); border-radius: var(--radius-sm);
  padding: 20px 24px; margin: 8px 0 4px;
}
.answer-box .label { font-size: .76rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; color: var(--c-blue-dark); margin-bottom: 6px; display: block; }
.answer-box p { color: #243a52; margin: 0; font-size: 1.02rem; }

/* Bilgi/uyarı kutuları */
.callout { border-radius: var(--radius-sm); padding: 18px 22px; border: 1px solid; }
.callout--tip { background: #eafaf1; border-color: #b7ecd0; }
.callout--warn { background: #fff7e9; border-color: #ffe2ab; }
.callout strong { display: block; margin-bottom: 4px; }

/* Yan içerik düzeni */
.content-layout { display: grid; grid-template-columns: 1fr 320px; gap: 44px; align-items: start; }
.sidebar { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 20px; }
.side-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; }
.side-card.is-cta { background: linear-gradient(135deg, #0a2540, #0e4a9c); color: #fff; }
.side-card h3 { font-size: 1.1rem; margin-bottom: 12px; }
.side-card.is-cta h3 { color: #fff; }
.side-card ul { display: grid; gap: 9px; }
.side-card ul a { font-size: .93rem; font-weight: 600; color: var(--c-navy); display: flex; gap: 8px; align-items: center; }
.side-card ul a::before { content: "›"; color: var(--c-orange); font-weight: 800; }
.side-card ul a:hover { color: var(--c-blue); }
.side-card.is-cta p { color: #c4d6e9; font-size: .94rem; margin-bottom: 16px; }

/* ---------- 12. Blog kart ---------- */
.post-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; height: 100%; transition: all var(--tr); display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.post-card__media { aspect-ratio: 16 / 9; background: linear-gradient(135deg, #cfe0f3, #e9f1fd); overflow: hidden; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; }
.post-card__body { padding: 20px 22px; display: flex; flex-direction: column; flex: 1; }
.post-card__tag { font-size: .76rem; font-weight: 700; color: var(--c-orange); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.post-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.post-card p { color: var(--c-muted); font-size: .92rem; flex: 1; }
.post-card__foot { margin-top: 14px; font-weight: 700; font-size: .9rem; color: var(--c-blue); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 13. CTA bandı ---------- */
.cta-band { background: linear-gradient(120deg, var(--c-orange), #ff9a4d); color: #fff; border-radius: var(--radius-lg); padding: 44px; text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.92); max-width: 620px; margin: 0 auto 24px; font-size: 1.05rem; }
.cta-band .btn--whatsapp { background: #fff; color: var(--c-green-dark); }
.cta-band .btn--whatsapp:hover { background: #f3fff8; }
.cta-band .btn--ghost-light { border-color: rgba(255,255,255,.6); }

/* ---------- 14. Footer ---------- */
.site-footer { background: var(--c-bg-navy); color: #9fb6cd; padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: #9fb6cd; font-size: .93rem; }
.footer-col a:hover { color: #fff; }
.footer-about .brand { margin-bottom: 16px; }
.footer-about .brand__name { color: #fff; }
.footer-about p { font-size: .93rem; margin-bottom: 18px; max-width: 340px; }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 12px; font-size: .93rem; }
.footer-contact svg { width: 19px; height: 19px; color: var(--c-orange); flex-shrink: 0; margin-top: 3px; }
.footer-contact a { color: #cfe0f0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 18px; }

/* ---------- 15. Sabit WhatsApp ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 900;
  width: 60px; height: 60px; border-radius: 50%; background: var(--c-green);
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(37,211,102,.5);
  color: #fff; animation: wa-pulse 2.4s infinite;
}
.wa-float:hover { color: #fff; transform: scale(1.06); }
.wa-float svg { width: 32px; height: 32px; }
@keyframes wa-pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); } 70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

/* ---------- 16. Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 0 auto; width: min(360px, 86vw);
    background: #fff; box-shadow: var(--sh-lg); padding: 18px; overflow-y: auto;
    transform: translateX(105%); transition: transform .28s ease; display: block;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav a { padding: 13px 14px; justify-content: space-between; }
  .dropdown, .mega {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: none; border-left: 2px solid var(--c-line); border-radius: 0; margin: 0 0 6px 14px;
    min-width: 0; padding: 2px 0 2px 8px; max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .has-dropdown.is-open > .dropdown, .has-dropdown.is-open > .mega { max-height: 760px; }
  .mega__grid { grid-template-columns: 1fr; }
  .mega__title { display: none; }
  .has-dropdown:hover .caret { transform: none; }
  .has-dropdown.is-open .caret { transform: rotate(180deg); }
  .header-cta .btn--text-hide { display: none; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(10,37,64,.5); z-index: 999; opacity: 0; visibility: hidden; transition: var(--tr); }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }
}

@media (max-width: 720px) {
  .section { padding: 52px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .factor-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .sidebar { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 22px; }
  .hero__actions .btn { flex: 1; }
  .brand__tag { display: none; }
}

@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .brand__name { font-size: 1.05rem; }
}

/* Erişilebilirlik */
:focus-visible { outline: 3px solid rgba(20,99,201,.5); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; scroll-behavior: auto; } }