/* =========================================================================
   PATİKA — Veteriner Klinik Yönetim Yazılımı · Pazarlama Sitesi
   Tasarım sistemi (tek dosya, framework yok — saf & hızlı).
   Renk paleti, tipografi ve bileşenler TASARIM-REHBERI.md'de belgelenmiştir.
   ========================================================================= */

/* ----------------------------- 1. Tokenlar ----------------------------- */
:root {
  /* Marka renkleri — güven (teal/lacivert) + sıcaklık (mercan/amber) */
  --brand:        #0D9488;   /* teal 600 — birincil */
  --brand-dark:   #0F766E;   /* teal 700 */
  --brand-darker: #134E4A;   /* teal 900 — koyu zeminler */
  --brand-light:  #CCFBF1;   /* teal 100 — yumuşak vurgu */
  --brand-tint:   #F0FDFA;   /* teal 50  — bölüm zeminleri */

  --accent:       #F97316;   /* amber/turuncu — FOMO & kontenjan aciliyeti */
  --accent-dark:  #EA580C;
  --accent-soft:  #FFF7ED;

  --gold:         #D9A441;   /* Kurucu Plan premium vurgusu */
  --gold-soft:    #FBF3E2;

  /* Nötrler */
  --ink:          #0B1220;   /* başlık metni — koyu lacivert */
  --body:         #374151;   /* gövde metni */
  --muted:        #6B7280;   /* ikincil metin */
  --line:         #E5E7EB;   /* kenarlık */
  --line-soft:    #F1F3F5;
  --bg:           #FFFFFF;
  --bg-soft:      #F7FAFA;   /* alternatif bölüm zemini */
  --white:        #FFFFFF;

  --success:      #16A34A;

  /* Tipografi */
  --font-head: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Ritim & yarıçap */
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(11, 18, 32, .06), 0 1px 3px rgba(11, 18, 32, .04);
  --shadow:    0 8px 24px rgba(11, 18, 32, .08);
  --shadow-lg: 0 24px 60px rgba(11, 18, 32, .14);
  --shadow-brand: 0 16px 40px rgba(13, 148, 136, .28);

  --container: 1180px;
  --gutter: 24px;

  --t-fast: .15s ease;
  --t:      .25s cubic-bezier(.4, 0, .2, 1);
}

/* ----------------------------- 2. Reset -------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
ul { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid rgba(13, 148, 136, .45); outline-offset: 2px; border-radius: 6px; }

/* ----------------------------- 3. Tipografi ---------------------------- */
h1, h2, h3, h4, h5 { font-family: var(--font-head); color: var(--ink); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { color: var(--body); }
strong { color: var(--ink); font-weight: 700; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--muted); line-height: 1.6; }
.text-brand { color: var(--brand-dark); }
.text-accent { color: var(--accent-dark); }

/* ----------------------------- 4. Düzen -------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow { max-width: 820px; }
.section { padding: clamp(56px, 9vw, 110px) 0; }
.section-sm { padding: clamp(40px, 6vw, 72px) 0; }
.bg-soft { background: var(--bg-soft); }
.bg-tint { background: var(--brand-tint); }
.bg-dark { background: var(--brand-darker); color: #D6E4E2; }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: #fff; }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.split.reverse > :first-child { order: 2; }

.center { text-align: center; }
.section-head { max-width: 720px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.section-head .lead { margin-top: 14px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 700; font-size: .82rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--brand-dark);
  background: var(--brand-light); padding: 7px 14px; border-radius: var(--radius-pill);
  margin-bottom: 18px;
}
.eyebrow.accent { color: var(--accent-dark); background: var(--accent-soft); }

/* ----------------------------- 5. Butonlar ----------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  padding: 14px 26px; border-radius: var(--radius-pill); border: 1.5px solid transparent;
  cursor: pointer; transition: transform var(--t-fast), box-shadow var(--t), background var(--t), color var(--t);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: 0 20px 46px rgba(13,148,136,.34); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 14px 34px rgba(249,115,22,.32); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-dark); }
.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.25); }
.btn-light:hover { background: rgba(255,255,255,.2); }
.btn-lg { padding: 17px 34px; font-size: 1.08rem; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ----------------------------- 6. Header / Nav ------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82); backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color var(--t), box-shadow var(--t);
}
.site-header.scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; font-size: 1.32rem; color: var(--ink); letter-spacing: -.03em; }
.brand .logo-mark {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff; box-shadow: var(--shadow-brand);
}
.brand .logo-mark svg { width: 22px; height: 22px; }
.brand b { color: var(--brand-dark); }
.nav-links { display: flex; align-items: center; gap: 4px; margin-inline: auto; }
.nav-links a { font-family: var(--font-head); font-weight: 600; font-size: .98rem; color: var(--body); padding: 9px 14px; border-radius: var(--radius-sm); }
.nav-links a:hover { color: var(--brand-dark); background: var(--brand-tint); }
.nav-links a.active { color: var(--brand-dark); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 44px; height: 44px; border-radius: 10px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px auto; border-radius: 2px; transition: var(--t); }

/* Dropdown (Özellikler mega-menü) */
.has-menu { position: relative; }
.menu-panel {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  width: min(620px, 92vw); background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 14px; opacity: 0; visibility: hidden; transition: var(--t);
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
}
.has-menu:hover .menu-panel, .has-menu:focus-within .menu-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.menu-item { display: flex; gap: 12px; padding: 12px; border-radius: var(--radius); }
.menu-item:hover { background: var(--brand-tint); }
.menu-item .mi-ic { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; }
.menu-item .mi-ic svg { width: 20px; height: 20px; }
.menu-item b { display: block; font-family: var(--font-head); font-size: .96rem; color: var(--ink); }
.menu-item span { font-size: .84rem; color: var(--muted); }

/* ----------------------------- 7. Hero -------------------------------- */
.hero { position: relative; padding: clamp(48px, 7vw, 92px) 0 clamp(56px, 8vw, 96px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 85% 0%, rgba(13,148,136,.10), transparent 70%),
    radial-gradient(50% 60% at 0% 100%, rgba(249,115,22,.07), transparent 70%);
}
.hero .lead { margin: 20px 0 28px; max-width: 560px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 18px 26px; margin-top: 30px; }
.hero-trust li { display: flex; align-items: center; gap: 9px; font-size: .92rem; font-weight: 600; color: var(--body); }
.hero-trust .tick { color: var(--brand); flex: 0 0 auto; }

/* ----------------------------- 8. Placeholder görsel alanları ---------- */
/* KULLANIM: <div class="ph ph-16x9"><img src="..." alt="..."><span class="ph-note">...</span></div> */
.ph {
  position: relative; width: 100%; border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, var(--brand-tint), #fff),
    repeating-linear-gradient(45deg, rgba(13,148,136,.04) 0 12px, transparent 12px 24px);
  border: 1px dashed rgba(13,148,136,.35); overflow: hidden; box-shadow: var(--shadow);
  display: grid; place-items: center;
}
.ph-16x9 { aspect-ratio: 16 / 9; }
.ph-4x3  { aspect-ratio: 4 / 3; }
.ph-1x1  { aspect-ratio: 1 / 1; }
.ph-3x4  { aspect-ratio: 3 / 4; }
.ph-21x9 { aspect-ratio: 21 / 9; }
.ph-phone { aspect-ratio: 9 / 19; max-width: 300px; border-radius: 34px; border-width: 8px; border-style: solid; border-color: var(--ink); background: #0B1220; }
.ph img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.ph-phone img { border-radius: 26px; }
.ph .ph-note {
  position: absolute; inset: auto 12px 12px 12px; z-index: 2; pointer-events: none;
  font-family: var(--font-head); font-size: .76rem; font-weight: 600; color: var(--brand-dark);
  background: rgba(255,255,255,.86); border: 1px solid rgba(13,148,136,.25);
  padding: 6px 10px; border-radius: 8px; text-align: center; backdrop-filter: blur(4px);
}
/* Gerçek görsel eklendiğinde ipucu notunu gizlemek için <div class="ph has-img"> kullanın */
.ph.has-img { border-style: solid; border-color: var(--line); background: #fff; }
.ph.has-img .ph-note { display: none; }
.ph-float { box-shadow: var(--shadow-lg); }

/* ----------------------------- 9. Kartlar & özellik ızgarası ----------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-light); }
.feature-ic { width: 52px; height: 52px; border-radius: 14px; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; margin-bottom: 18px; }
.feature-ic svg { width: 26px; height: 26px; }
.feature-ic.accent { background: var(--accent-soft); color: var(--accent-dark); }
.card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.card p { font-size: .98rem; color: var(--muted); }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--brand-dark); }
.card-link svg { width: 16px; height: 16px; transition: transform var(--t-fast); }
.card-link:hover svg { transform: translateX(4px); }

/* Madde listesi (check) */
.checklist li { position: relative; padding-left: 32px; margin-bottom: 14px; color: var(--body); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230F766E' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.checklist.lg li { padding-left: 38px; margin-bottom: 18px; font-size: 1.05rem; }
.checklist.lg li::before { width: 26px; height: 26px; background-size: 15px; top: 2px; }

/* ----------------------------- 10. Founder şeridi & FOMO --------------- */
.fomo-bar {
  background: linear-gradient(90deg, var(--accent-dark), var(--accent));
  color: #fff; text-align: center; font-family: var(--font-head); font-weight: 600; font-size: .92rem;
  padding: 9px 16px; display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
}
.fomo-bar b { font-weight: 800; }
.fomo-bar .pill { background: rgba(255,255,255,.2); padding: 3px 11px; border-radius: var(--radius-pill); font-weight: 800; }

.founder-badge {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-head); font-weight: 800; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase;
  color: #6B4D12; background: linear-gradient(135deg, #FCE9C0, var(--gold-soft));
  border: 1px solid #E7C778; padding: 8px 16px; border-radius: var(--radius-pill);
}
.founder-badge svg { width: 16px; height: 16px; }

/* Kontenjan sayacı */
.slots {
  display: inline-flex; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-pill); padding: 8px 8px 8px 18px; box-shadow: var(--shadow-sm);
}
.slots .label { font-family: var(--font-head); font-weight: 700; font-size: .9rem; color: var(--ink); }
.slots .count { font-family: var(--font-head); font-weight: 800; color: #fff; background: var(--accent); padding: 6px 14px; border-radius: var(--radius-pill); }
.slots-bar { height: 8px; border-radius: var(--radius-pill); background: var(--line); overflow: hidden; margin-top: 14px; }
.slots-bar > i { display: block; height: 100%; border-radius: var(--radius-pill); background: linear-gradient(90deg, var(--accent), var(--accent-dark)); }

/* Geri sayım */
.countdown { display: inline-flex; gap: 10px; }
.countdown .unit { background: var(--ink); color: #fff; border-radius: 12px; padding: 10px 14px; text-align: center; min-width: 64px; }
.countdown .unit b { display: block; font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; line-height: 1; }
.countdown .unit span { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; opacity: .7; }

/* ----------------------------- 11. Fiyatlandırma ----------------------- */
.price-wrap { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 24px; align-items: stretch; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px 28px; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.price-card.muted { opacity: .92; }
.price-card.featured {
  border: 2px solid var(--brand); box-shadow: var(--shadow-lg); position: relative;
  background: linear-gradient(180deg, var(--brand-tint), #fff 30%);
}
.price-card .pc-name { font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; color: var(--ink); }
.price-card .pc-desc { color: var(--muted); font-size: .92rem; margin: 6px 0 18px; }
.price-old { color: var(--muted); text-decoration: line-through; font-size: 1.1rem; font-weight: 600; }
.price-now { font-family: var(--font-head); font-size: 2.6rem; font-weight: 800; color: var(--ink); line-height: 1.1; }
.price-now small { font-size: .95rem; font-weight: 600; color: var(--muted); }
.price-card .checklist { margin: 22px 0; flex: 1; }
.price-card .checklist li { font-size: .95rem; margin-bottom: 12px; }
.ribbon { position: absolute; top: 18px; right: -38px; transform: rotate(45deg); background: var(--accent); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: .72rem; letter-spacing: .05em; padding: 6px 44px; box-shadow: var(--shadow-sm); }

/* ----------------------------- 12. Adımlar / timeline ------------------ */
.steps { counter-reset: step; display: grid; gap: 24px; }
.step { position: relative; padding-left: 70px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0; width: 48px; height: 48px; border-radius: 14px;
  background: var(--brand); color: #fff; font-family: var(--font-head); font-weight: 800; font-size: 1.3rem;
  display: grid; place-items: center; box-shadow: var(--shadow-brand);
}
.step h4 { margin-bottom: 6px; }
.step p { color: var(--muted); font-size: .98rem; }

/* ----------------------------- 13. SSS akordeon ------------------------ */
.faq { max-width: 820px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; text-align: right; background: none; border: 0; cursor: pointer; padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-family: var(--font-head); font-weight: 700; font-size: 1.08rem; color: var(--ink); }
.faq-q .chev { flex: 0 0 auto; width: 24px; height: 24px; color: var(--brand); transition: transform var(--t); }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--t); }
.faq-a > div { padding: 0 0 22px; color: var(--muted); }

/* ----------------------------- 14. İstatistik / sosyal kanıt ----------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat b { display: block; font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--brand-dark); line-height: 1; }
.stat span { color: var(--muted); font-size: .95rem; margin-top: 6px; display: block; }
.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); }
.quote p { font-size: 1.05rem; color: var(--ink); font-weight: 500; }
.quote .who { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.quote .who .av { width: 46px; height: 46px; border-radius: 50%; background: var(--brand-light); display: grid; place-items: center; color: var(--brand-dark); font-family: var(--font-head); font-weight: 800; }
.quote .who b { font-family: var(--font-head); color: var(--ink); display: block; font-size: .95rem; }
.quote .who span { font-size: .85rem; color: var(--muted); }
.stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 12px; }

/* ----------------------------- 15. CTA bandı --------------------------- */
.cta-band { background: linear-gradient(135deg, var(--brand-dark), var(--brand-darker)); color: #fff; border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 72px); text-align: center; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 80% at 100% 0%, rgba(249,115,22,.18), transparent 60%); }
.cta-band > * { position: relative; }
.cta-band p { color: rgba(255,255,255,.82); }

/* ----------------------------- 16. Formlar ----------------------------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: clamp(28px, 4vw, 44px); }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-head); font-weight: 600; font-size: .92rem; color: var(--ink); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: var(--radius);
  background: #fff; transition: border-color var(--t-fast), box-shadow var(--t-fast); font-size: 1rem;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(13,148,136,.12); outline: none; }
.field .hint { font-size: .82rem; color: var(--muted); margin-top: 6px; }
.field .err { font-size: .82rem; color: #DC2626; margin-top: 6px; display: none; }
.field.invalid input { border-color: #DC2626; }
.field.invalid .err { display: block; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .86rem; color: var(--muted); }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--brand); }
.trust-badges { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.trust-badges li { display: flex; align-items: center; gap: 8px; font-size: .84rem; font-weight: 600; color: var(--body); }
.trust-badges svg { width: 18px; height: 18px; color: var(--brand); flex: 0 0 auto; }
.form-success { display: none; text-align: center; padding: 20px 0; }
.form-success.show { display: block; }
.form-success .ok-ic { width: 64px; height: 64px; border-radius: 50%; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; margin: 0 auto 18px; }

/* ----------------------------- 17. Güven şeridi (logolar) -------------- */
.trust-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px 34px; opacity: .9; }
.trust-chip { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--body); }
.trust-chip svg { width: 22px; height: 22px; color: var(--brand); }

/* ----------------------------- 18. AI vurgu bileşeni ------------------- */
.ai-card { background: linear-gradient(135deg, var(--brand-darker), #0A3B38); color: #D6E4E2; border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); position: relative; overflow: hidden; }
.ai-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(40% 60% at 90% 10%, rgba(94,234,212,.18), transparent 60%); }
.ai-card > * { position: relative; }
.ai-bubble { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 16px 16px 16px 4px; padding: 14px 18px; margin-bottom: 12px; max-width: 80%; }
.ai-bubble.me { background: var(--brand); color: #fff; margin-left: auto; border-radius: 16px 16px 4px 16px; }
.ai-bubble small { display: block; opacity: .6; font-size: .72rem; margin-bottom: 4px; }
.ai-tag { display: inline-flex; align-items: center; gap: 7px; background: rgba(94,234,212,.16); color: #99F6E4; font-family: var(--font-head); font-weight: 700; font-size: .8rem; padding: 6px 13px; border-radius: var(--radius-pill); }

/* ----------------------------- 19. Footer ------------------------------ */
.site-footer { background: var(--brand-darker); color: #9FB8B5; padding: clamp(48px, 7vw, 76px) 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.site-footer h5 { color: #fff; font-size: .95rem; margin-bottom: 16px; letter-spacing: .02em; }
.site-footer a { display: block; padding: 6px 0; color: #9FB8B5; font-size: .94rem; }
.site-footer a:hover { color: #fff; }
.site-footer .brand { color: #fff; margin-bottom: 14px; }
.footer-about p { font-size: .92rem; color: #8AA5A2; max-width: 320px; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: .86rem; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-badges span { display: inline-flex; align-items: center; gap: 7px; }
.footer-badges svg { width: 16px; height: 16px; color: var(--brand-light); }

/* ----------------------------- 20. Yardımcılar ------------------------- */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 12px; } .mt-2 { margin-top: 24px; } .mt-3 { margin-top: 40px; }
.mb-2 { margin-bottom: 24px; }
.maxw-560 { max-width: 560px; } .mx-auto { margin-inline: auto; }
.app-badges { display: flex; flex-wrap: wrap; gap: 14px; }
.app-badge { display: inline-flex; align-items: center; gap: 12px; background: var(--ink); color: #fff; padding: 11px 20px; border-radius: 14px; transition: transform var(--t-fast); }
.app-badge:hover { transform: translateY(-2px); }
.app-badge svg { width: 26px; height: 26px; }
.app-badge small { display: block; font-size: .68rem; opacity: .75; line-height: 1; }
.app-badge b { font-family: var(--font-head); font-size: 1.05rem; line-height: 1.2; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* Skip link (erişilebilirlik) */
.skip { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 0 0 10px 0; z-index: 200; }
.skip:focus { left: 0; }

/* ----------------------------- 21. Animasyon (reveal) ------------------ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } .reveal { opacity: 1; transform: none; transition: none; } }

/* ----------------------------- 22. Responsive -------------------------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split.reverse > :first-child { order: 0; }
  .price-wrap { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .menu-panel { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; top: 72px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line);
    padding: 14px var(--gutter) 22px; box-shadow: var(--shadow); margin: 0;
  }
  .nav-links.open a { padding: 13px 12px; border-radius: 10px; }
  .nav-links.open .has-menu .menu-panel { position: static; transform: none; opacity: 1; visibility: visible; width: 100%; box-shadow: none; border: 0; padding: 4px 0 0; grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-trust { gap: 12px 20px; }
  .ai-bubble { max-width: 92%; }
}