/* ==========================================================================
   AdsFusion — Design System
   Siyah + canlı yeşil. Instagram kimliğinden türetildi.
   Tokenlar burada; bileşenler token dışına çıkmaz.
   ========================================================================== */

:root {
  /* Renk */
  --bg:           #07090C;
  --bg-elev:      #0B0E12;
  --surface:      #0F1318;
  --surface-2:    #151A20;
  --border:       #232A31;
  --border-soft:  #1A2027;

  --fg:           #F2F5F4;   /* 15.4:1 on --bg */
  --muted:        #9AA5A0;   /*  6.4:1 on --bg */
  --faint:        #6B7671;   /*  3.4:1 — sadece dekoratif/etiket */

  --brand:        #00A862;   /* logo yeşili */
  --brand-hi:     #2FD98D;   /* hover / vurgu — açık ton */
  --brand-ink:    #04140A;   /* yeşil zemin üstü metin */
  --brand-dim:    rgba(0, 168, 98, 0.14);
  --brand-line:   rgba(0, 168, 98, 0.34);

  --warn:         #FBBF24;
  --danger:       #F87171;

  /* Tipografi */
  /* Space Grotesk'te ₺ glifi yok — eksik karakterler Inter'e düşsün */
  --font-display: "Space Grotesk", "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  /* Aralık — 4/8 ritmi */
  --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;  --sp-4: 1rem;
  --sp-5: 1.25rem;  --sp-6: 1.5rem;   --sp-8: 2rem;     --sp-12: 3rem;
  --sp-16: 4rem;    --sp-24: 6rem;    --sp-32: 8rem;

  --radius:    14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --container: 1180px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  /* z ölçeği */
  --z-nav: 100;
  --z-overlay: 200;
}

/* --- Reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
/* display atanan bileşenlerde [hidden] gizlemeyi kaybediyor — global olarak garantiye al */
[hidden] { display: none !important; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--brand-hi);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: var(--brand); color: var(--brand-ink); }

/* --- Tipografi ölçeği --------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.25rem, 1.35rem + 3.9vw, 4.25rem); font-weight: 700; }
h2 { font-size: clamp(1.85rem, 1.25rem + 2.4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem); }
h4 { font-size: 1.0625rem; letter-spacing: -0.01em; }

p { text-wrap: pretty; }

.lead {
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.65;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--brand);
  opacity: 0.7;
}

.hl { color: var(--brand); }

/* Para birimi — Space Grotesk'in ₺ çizimi Ł'ye benziyor, gövde fontuna alıyoruz */
.cur { font-family: var(--font-body); font-weight: 600; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* --- Layout ------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.section { padding-block: clamp(var(--sp-16), 9vw, var(--sp-32)); }
.section--tight { padding-block: clamp(var(--sp-12), 6vw, var(--sp-24)); }
.section--alt { background: var(--bg-elev); border-block: 1px solid var(--border-soft); }

.section-head { max-width: 66ch; margin-bottom: var(--sp-12); }
.section-head h2 { margin-block: var(--sp-4) var(--sp-4); }

.grid { display: grid; gap: var(--sp-6); }
/* min() olmadan sabit minmax dar ekranda konteyneri aşar */
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(290px, 100%), 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); }
/* 4'lü problem listesi 3+1 değil 2+2 dizilsin */
.grid-pain { grid-template-columns: repeat(auto-fit, minmax(min(430px, 100%), 1fr)); }

/* --- Butonlar ----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 52px;
  padding: 0 var(--sp-6);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease),
              color .2s var(--ease), transform .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn--primary { background: var(--brand); color: var(--brand-ink); }
.btn--primary:hover { background: var(--brand-hi); }

.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--brand-line); background: var(--brand-dim); }

.btn--sm { min-height: 44px; padding: 0 var(--sp-4); font-size: 0.9375rem; }
.btn--block { width: 100%; }

.btn svg { width: 18px; height: 18px; flex: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-3); }

/* --- Navigasyon --------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.nav.is-stuck { border-bottom-color: var(--border-soft); background: color-mix(in srgb, var(--bg) 94%, transparent); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  min-height: 76px;
}

.logo { display: inline-flex; align-items: center; min-height: 44px; }

/* Yazı logosu: "ads" + [F işareti] + "usion" — F harfinin yerinde marka işareti durur */
.logo__word {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  white-space: nowrap;
}
.logo__f {
  width: auto;
  height: 1.05em;          /* F işaretinin yazı yüksekliğine oranı — buradan ince ayar yapılır */
  margin-inline: 0.02em;
  flex: none;
  transform: translateY(0.02em);
}

/* Tam logo yüklendiyse yazı logosunu tamamen gizle (bkz. main.js) */
.logo__full { height: 32px; width: auto; max-width: 210px; }
.logo.has-full-logo .logo__word { display: none; }

.nav__links { display: flex; align-items: center; gap: var(--sp-1); }
.nav__links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--sp-3);
  border-radius: 10px;
  font-size: 0.9375rem;
  color: var(--muted);
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.nav__links a:hover { color: var(--fg); background: var(--surface); }
.nav__links a[aria-current="page"] { color: var(--fg); }
.nav__links a[aria-current="page"]::after {
  content: "";
  width: 5px; height: 5px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--brand);
}

/* Menü içindeki CTA sadece mobil çekmecede görünür */
.nav__links .btn { display: none; }

.nav__cta { display: flex; align-items: center; gap: var(--sp-3); }

.nav__toggle {
  display: none;
  width: 46px; height: 46px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
}
.nav__toggle svg { width: 22px; height: 22px; }

/* --- Hero --------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(var(--sp-16), 8vw, var(--sp-24)) clamp(var(--sp-16), 8vw, var(--sp-24));
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -30%; left: 50%;
  width: min(1100px, 130vw);
  aspect-ratio: 1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 168, 98, 0.14) 0%, transparent 62%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 25%, #000 20%, transparent 75%);
  opacity: 0.5;
  pointer-events: none;
}
.hero > .container { position: relative; }

/* Ortalanmış hero — sahte gösterge paneli yerine tek sütun, net mesaj */
.hero--center > .container { max-width: 900px; text-align: center; }
.hero--center .eyebrow { justify-content: center; }
.hero--center h1 { margin-block: var(--sp-5) var(--sp-6); }
.hero--center .lead { margin-inline: auto; }
.hero--center .btn-row { justify-content: center; margin-top: var(--sp-8); }
.hero--center .hero__proof { justify-content: center; padding-top: var(--sp-8); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(var(--sp-8), 5vw, var(--sp-16));
  align-items: center;
}
.hero__copy > * + * { margin-top: var(--sp-6); }
.hero__copy h1 { margin-top: var(--sp-4); }

.hero__proof {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  color: var(--muted);
  font-size: 0.9375rem;
}
.hero__avatars { display: flex; }
.hero__avatars span {
  width: 32px; height: 32px;
  margin-left: -10px;
  border-radius: 50%;
  border: 2px solid var(--bg);
  background: linear-gradient(140deg, var(--surface-2), var(--border));
  display: grid; place-items: center;
  font-size: 0.6875rem; font-weight: 600; color: var(--muted);
}
.hero__avatars span:first-child { margin-left: 0; }

/* --- Hero paneli (sonuç görseli) ---------------------------------------- */
.panel {
  background: linear-gradient(165deg, var(--surface) 0%, var(--bg-elev) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.02) inset;
}
.panel__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border-soft);
}
.panel__title { font-family: var(--font-display); font-weight: 600; font-size: 0.9375rem; }
.panel__badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--brand-dim);
  color: var(--brand-hi);
  border: 1px solid var(--brand-line);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  padding-block: var(--sp-6);
}
.metric__label {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.metric__value {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
  letter-spacing: -0.03em;
}
.metric__delta {
  display: inline-flex; align-items: center; gap: 3px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brand);
  margin-top: 2px;
}
.metric__delta svg { width: 12px; height: 12px; }
.metric__delta--down { color: var(--brand); }

/* Basit çubuk grafik — "önce / sonra" */
.chart { display: flex; align-items: flex-end; gap: 10px; height: 116px; padding-top: var(--sp-2); }
.chart__bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: 6px; height: 100%; }
.chart__fill {
  border-radius: 6px 6px 3px 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  transform-origin: bottom;
  animation: grow .7s var(--ease) backwards;
}
.chart__fill--on {
  background: linear-gradient(180deg, var(--brand-hi) 0%, var(--brand) 100%);
  border-color: transparent;
}
.chart__tick { font-family: var(--font-mono); font-size: 0.625rem; color: var(--faint); text-align: center; }

@keyframes grow { from { transform: scaleY(0); opacity: 0; } to { transform: scaleY(1); opacity: 1; } }

.panel__foot {
  display: flex; align-items: center; gap: var(--sp-2);
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-soft);
  font-size: 0.8125rem;
  color: var(--faint);
}

/* --- Güven barı --------------------------------------------------------- */
.trustbar {
  border-block: 1px solid var(--border-soft);
  background: var(--bg-elev);
  padding-block: var(--sp-8);
}
.trustbar__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-8);
}
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.3rem + 1.7vw, 2.5rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.035em;
  color: var(--fg);
}
.stat__label { color: var(--muted); font-size: 0.9375rem; margin-top: 2px; }

/* --- Referans markalar ---------------------------------------------------
   Logo dosyası varsa (assets/img/brands/<slug>.svg|png) marka adının yerini
   otomatik alır — bkz. main.js. Yoksa yazı olarak kalır, boşluk oluşmaz.   */
.brands-head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--sp-4);
  margin-top: var(--sp-12);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border-soft);
  margin-bottom: var(--sp-6);
}
.brands-head__note { color: var(--muted); font-size: 0.9375rem; }

/* Logo duvarı AÇIK zeminde: müşteri logoları her formatta gelir (şeffaf PNG, opak JPEG,
   renkli zeminli rozet). Koyu zeminde beyaz silüete zorlamak JPEG'leri beyaz kutuya
   çeviriyordu. Açık zemin hepsini kendi rengiyle doğru gösterir — griden renge geçiş
   duvarı yine de tek tip tutuyor.                                                      */
.brands {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(180px, 100%), 1fr));
  gap: 0;
  background: #FFFFFF;                 /* boş kalan hücreler gri blok gibi durmasın */
  border: 1px solid #E5E8EC;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.brand {
  display: grid;
  place-items: center;
  min-height: 108px;
  padding: var(--sp-5) var(--sp-4);
  background: #FFFFFF;
  box-shadow: inset -1px -1px 0 0 #E5E8EC;   /* ayraç çizgisi hücrenin içinde */
  transition: background-color .25s var(--ease);
}
.brand:hover { background: #FAFBFC; }

.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: #6B7280;
  text-align: center;
  text-wrap: balance;
  transition: color .25s var(--ease);
}
.brand:hover .brand__name { color: #111827; }

.brand__logo {
  max-height: 66px;
  max-width: 152px;
  width: auto;
  object-fit: contain;
  /* Logolar kendi renkleriyle — gri tonlama yok */
  opacity: 0.92;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.brand:hover .brand__logo { opacity: 1; transform: scale(1.04); }

/* Beyaz/açık renkli logolar açık zeminde kaybolur — sadece onlar ters çevriliyor */
.brand--invert .brand__logo { filter: invert(1); }
.brand.has-logo .brand__name { display: none; }

/* Etiketli mod: logonun altında küçük marka adı.
   Kapatmak için index.html'de .brands üzerindeki "brands--labeled" sınıfını sil. */
.brands--labeled .brand {
  grid-template-rows: 1fr auto;
  gap: var(--sp-3);
  align-content: center;
  min-height: 132px;
}
.brands--labeled .brand__logo { max-height: 54px; order: -1; }   /* logo üstte, ad altta */
.brands--labeled .brand.has-logo .brand__name {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #9AA1AC;
  align-self: end;
}
.brands--labeled .brand:hover.has-logo .brand__name { color: #4B5563; }

/* --- Kartlar ------------------------------------------------------------ */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  transition: border-color .25s var(--ease), background-color .25s var(--ease), transform .25s var(--ease);
}
.card--link:hover { border-color: var(--brand-line); transform: translateY(-3px); }
.card > * + * { margin-top: var(--sp-3); }
.card h3 { margin-top: var(--sp-5); }
.card p { color: var(--muted); font-size: 0.9688rem; }

.card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--brand-dim);
  border: 1px solid var(--brand-line);
  color: var(--brand);
}
.card__icon svg { width: 23px; height: 23px; }

.card__list { margin-top: var(--sp-5) !important; display: grid; gap: var(--sp-2); }
.card__list li {
  display: flex; gap: var(--sp-3);
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.5;
}
.card__list svg { width: 17px; height: 17px; flex: none; color: var(--brand); margin-top: 3px; }

/* --- Öz denetim listesi (problem bölümü) --------------------------------
   Kart yığını yerine tıklanabilir kontrol listesi: ziyaretçi kendi hesabını
   teşhis ediyor, sonuç kutusu işaretlenen sayıya göre değişiyor.            */
.check {
  display: grid;
  gap: var(--sp-3);
  max-width: 880px;
  margin-inline: auto;
}
.check__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-5);
  width: 100%;
  min-height: 84px;
  padding: var(--sp-5) var(--sp-6);
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.check__row:hover { border-color: var(--brand-line); }
.check__row[aria-pressed="true"] {
  border-color: var(--brand);
  background: var(--brand-dim);
}

.check__box {
  width: 26px; height: 26px;
  flex: none;
  display: grid; place-items: center;
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--brand-ink);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}
.check__box svg { width: 15px; height: 15px; opacity: 0; transition: opacity .15s var(--ease); }
.check__row[aria-pressed="true"] .check__box { background: var(--brand); border-color: var(--brand); }
.check__row[aria-pressed="true"] .check__box svg { opacity: 1; }

.check__body { display: grid; gap: 3px; }
.check__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
  line-height: 1.35;
  color: var(--fg);
}
.check__note { font-size: 0.9375rem; color: var(--muted); line-height: 1.45; }

.check__no {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--faint);
  flex: none;
}
.check__row[aria-pressed="true"] .check__no { color: var(--brand); }

.check__result {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  max-width: 880px;
  margin: var(--sp-8) auto 0;
  padding: var(--sp-6) clamp(var(--sp-6), 3vw, var(--sp-8));
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 80% 130% at 0% 0%, rgba(0, 168, 98, 0.10), transparent 60%),
    var(--surface);
}
.check__count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
}
.check__verdict {
  margin-top: var(--sp-2);
  font-size: 1.0625rem;
  color: var(--fg);
  max-width: 52ch;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .check__row { grid-template-columns: auto minmax(0, 1fr); gap: var(--sp-4); padding: var(--sp-5); }
  .check__no { display: none; }
  .check__result .btn { width: 100%; }
}

/* Omurga bandı — kanalların altında duran ölçümleme katmanı */
.foundation {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 0.95fr);
  gap: clamp(var(--sp-6), 3vw, var(--sp-12));
  align-items: start;
  margin-top: var(--sp-6);
  padding: clamp(var(--sp-6), 3vw, var(--sp-8));
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 70% 130% at 0% 0%, rgba(0, 168, 98, 0.10), transparent 60%),
    var(--surface);
}
.foundation__label {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--brand-dim);
  border: 1px solid var(--brand-line);
  color: var(--brand);
}
.foundation__label svg { width: 23px; height: 23px; }
.foundation__list { margin-top: 0 !important; }

@media (max-width: 980px) {
  .foundation { grid-template-columns: 1fr; }
}

/* Problem listesi — hata uyarısı gibi durmasın diye nötr tonda */
.pain {
  display: flex; gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.pain svg { width: 19px; height: 19px; flex: none; color: var(--faint); margin-top: 3px; }
.pain p { color: var(--muted); font-size: 0.9688rem; }
.pain strong { color: var(--fg); font-weight: 600; display: block; margin-bottom: 2px; }

/* --- Süreç adımları ------------------------------------------------------ */
.steps { counter-reset: step; display: grid; gap: var(--sp-4); }
.step {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: start;
  padding: var(--sp-6) 0;
  border-top: 1px solid var(--border-soft);
}
.step:first-child { border-top: 0; padding-top: 0; }
.step__no {
  counter-increment: step;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--brand);
  border: 1px solid var(--brand-line);
  background: var(--brand-dim);
  border-radius: 50%;
  width: 46px; height: 46px;
  display: grid; place-items: center;
}
.step__no::before { content: "0" counter(step); }
.step h3 { font-size: 1.1875rem; }
.step p { color: var(--muted); margin-top: var(--sp-2); font-size: 0.9688rem; max-width: 62ch; }

/* --- Vaka kartları ------------------------------------------------------- */
.case {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.case__top { padding: var(--sp-6); border-bottom: 1px solid var(--border-soft); }
.case__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}
.case__title { font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; margin-top: var(--sp-2); }
.case__body { padding: var(--sp-6); display: grid; gap: var(--sp-5); flex: 1; }
.case__result { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--sp-4); align-items: center; }
.case__figure { }
.case__figure .metric__value { color: var(--faint); }
.case__figure--after .metric__value { color: var(--brand); }
.case__arrow { color: var(--brand); }
.case__arrow svg { width: 22px; height: 22px; }
.case__note { font-size: 0.9375rem; color: var(--muted); }

/* --- Reels şeridi --------------------------------------------------------
   Yatay kaydırmalı: video sayısı 8 de olsa 40 da olsa düzeni bozmuyor,
   ana sayfayı uzatmıyor, mobilde parmakla kaydırılıyor.
   Kapaklar Instagram'dan indirilip yerele alındı (CDN linkleri süreli).      */
.reels {
  display: flex;
  gap: var(--sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--sp-6);
  padding-bottom: var(--sp-4);
  /* konteynerden taşıp ekran kenarına kadar kaysın */
  margin-inline: calc(var(--sp-6) * -1);
  padding-inline: var(--sp-6);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.reels::-webkit-scrollbar { height: 6px; }
.reels::-webkit-scrollbar-track { background: transparent; }
.reels::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
.reels:hover::-webkit-scrollbar-thumb { background: var(--brand-line); }

.reel {
  position: relative;
  flex: 0 0 auto;
  width: clamp(150px, 42vw, 186px);
  aspect-ratio: 9 / 16;
  scroll-snap-align: start;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  overflow: hidden;
  display: block;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.reel:hover { border-color: var(--brand-line); transform: translateY(-4px); }

.reel__cover {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s var(--ease);
}
.reel:hover .reel__cover { transform: scale(1.06); }

.reel::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,.35) 0%, transparent 28%, transparent 62%, rgba(0,0,0,.6) 100%);
  pointer-events: none;
}
.reel__play {
  position: absolute; top: var(--sp-3); right: var(--sp-3);
  z-index: 1;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.22);
  color: #fff;
}
.reel__play svg { width: 12px; height: 12px; margin-left: 1px; }

.reel__meta {
  position: absolute; left: var(--sp-3); bottom: var(--sp-3);
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,.82);
}

.reels-hint {
  display: flex; align-items: center; gap: var(--sp-2);
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.reels-hint svg { width: 14px; height: 14px; }

/* --- Lead magnet / form -------------------------------------------------- */
.offer {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(var(--sp-8), 5vw, var(--sp-16));
  align-items: center;
  padding: clamp(var(--sp-8), 4vw, var(--sp-16));
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 80% 120% at 0% 0%, rgba(0, 168, 98, 0.10), transparent 60%),
    var(--surface);
}

.field { display: grid; gap: var(--sp-2); }
.field + .field { margin-top: var(--sp-4); }
.field label { font-size: 0.875rem; font-weight: 500; }
.field label .req { color: var(--brand); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 52px;
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 1rem;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.field textarea { min-height: 110px; resize: vertical; line-height: 1.55; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: var(--bg-elev);
}
.field__hint { font-size: 0.8125rem; color: var(--faint); }
.field__error { font-size: 0.8125rem; color: var(--danger); display: none; }
.field.is-invalid input, .field.is-invalid select { border-color: var(--danger); }
.field.is-invalid .field__error { display: block; }

.form-note { font-size: 0.8125rem; color: var(--faint); margin-top: var(--sp-4); }
.form-status {
  margin-top: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  border-radius: 12px;
  background: var(--brand-dim);
  border: 1px solid var(--brand-line);
  color: var(--brand-hi);
  font-size: 0.9375rem;
  display: none;
}
.form-status.is-visible { display: block; }

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--sp-6), 3vw, var(--sp-8));
}

/* --- SSS ----------------------------------------------------------------- */
.faq { display: grid; gap: var(--sp-3); max-width: 860px; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .2s var(--ease);
}
.faq details[open] { border-color: var(--brand-line); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  min-height: 60px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0313rem;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  width: 11px; height: 11px;
  flex: none;
  border-right: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .25s var(--ease);
}
.faq details[open] summary::after { transform: rotate(225deg) translate(-2px, -2px); }
.faq p { padding: 0 var(--sp-6) var(--sp-6); color: var(--muted); font-size: 0.9688rem; max-width: 70ch; }

/* --- Yorum --------------------------------------------------------------- */
.quote {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  display: flex; flex-direction: column; gap: var(--sp-5);
}
.quote blockquote { font-size: 1.0625rem; line-height: 1.6; }
.quote figcaption { display: flex; align-items: center; gap: var(--sp-3); margin-top: auto; }
.quote__avatar {
  width: 42px; height: 42px; border-radius: 50%; flex: none;
  background: var(--surface-2); border: 1px solid var(--border);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: 0.875rem; color: var(--muted);
}
.quote__name { font-weight: 600; font-size: 0.9375rem; }
.quote__role { font-size: 0.8125rem; color: var(--faint); }

/* --- Final CTA ----------------------------------------------------------- */
.cta-final {
  position: relative;
  text-align: center;
  padding-block: clamp(var(--sp-16), 8vw, var(--sp-24));
  border-top: 1px solid var(--border-soft);
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute; bottom: -60%; left: 50%;
  width: min(900px, 120vw); aspect-ratio: 1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 168, 98, 0.14) 0%, transparent 62%);
  pointer-events: none;
}
.cta-final > .container { position: relative; }
.cta-final .lead { margin-inline: auto; margin-top: var(--sp-5); }
.cta-final .btn-row { justify-content: center; margin-top: var(--sp-8); }

/* --- Footer -------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-elev);
  padding-block: var(--sp-16) var(--sp-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: var(--sp-8);
}
.footer__col h4 { font-size: 0.8125rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); font-family: var(--font-mono); font-weight: 500; }
.footer__col ul { margin-top: var(--sp-4); display: grid; gap: var(--sp-2); }
.footer__col a { color: var(--muted); font-size: 0.9375rem; display: inline-flex; align-items: center; min-height: 44px; transition: color .2s var(--ease); }
.footer__col a:hover { color: var(--brand); }
.footer__about p { color: var(--muted); font-size: 0.9375rem; margin-top: var(--sp-4); max-width: 40ch; }

.social { display: flex; gap: var(--sp-2); margin-top: var(--sp-5); }
.social a {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--muted);
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.social a:hover { color: var(--brand); border-color: var(--brand-line); background: var(--brand-dim); }
.social svg { width: 19px; height: 19px; }

.footer__bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--sp-4);
  margin-top: var(--sp-16);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-soft);
  font-size: 0.875rem;
  color: var(--faint);
}

/* --- Portre --------------------------------------------------------------- */
.portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}
.portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
/* Alt kenarda hafif karartma — sayfanın koyu zeminine yumuşak geçiş */
.portrait::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 55%, rgba(7,9,12,.45) 100%);
  pointer-events: none;
}

/* --- Sayfa başlığı (alt sayfalar) ---------------------------------------- */
.pagehead {
  position: relative;
  padding-block: clamp(var(--sp-12), 6vw, var(--sp-24)) clamp(var(--sp-8), 4vw, var(--sp-12));
  border-bottom: 1px solid var(--border-soft);
  overflow: hidden;
}
.pagehead::before {
  content: "";
  position: absolute; top: -50%; left: 20%;
  width: 700px; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0, 168, 98, 0.11) 0%, transparent 62%);
  pointer-events: none;
}
.pagehead > .container { position: relative; }
.pagehead h1 { margin-block: var(--sp-4) var(--sp-5); }

/* --- Blog kartları -------------------------------------------------------- */
.post {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.post:hover { border-color: var(--brand-line); transform: translateY(-3px); }
.post[hidden] { display: none; }   /* flex/grid display'i [hidden]'ı ezer */

.post--featured {
  padding: clamp(var(--sp-6), 3vw, var(--sp-12));
  background:
    radial-gradient(ellipse 70% 130% at 100% 0%, rgba(0, 168, 98, 0.10), transparent 60%),
    var(--surface);
  border-color: var(--brand-line);
}
.post--featured .post__title { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.125rem); }
.post--featured .post__excerpt { font-size: 1.0625rem; max-width: 68ch; }

.post__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); }
.post__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--brand);
}
.post__status {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--faint);
}
.post__status--soon { border-color: rgba(251,191,36,.35); color: var(--warn); }

.post__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1875rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.post__excerpt { color: var(--muted); font-size: 0.9375rem; line-height: 1.55; }
.post__foot { margin-top: auto; padding-top: var(--sp-3); }
.post__read { font-family: var(--font-mono); font-size: 0.75rem; color: var(--faint); }

/* --- Bilgi kutusu --------------------------------------------------------- */
.notice {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
}
.notice svg { width: 20px; height: 20px; flex: none; color: var(--faint); margin-top: 2px; }
.notice p { color: var(--muted); font-size: 0.9375rem; line-height: 1.55; }
.notice strong { color: var(--fg); }
.notice a { color: var(--brand); text-decoration: underline; }
.notice[hidden] { display: none; }   /* display:flex, [hidden]'ın display:none'unu ezer */

/* --- Kaynak satırı -------------------------------------------------------- */
.resource {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(200px, 240px);
  gap: clamp(var(--sp-5), 3vw, var(--sp-8));
  align-items: start;
  padding: clamp(var(--sp-6), 3vw, var(--sp-8));
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .25s var(--ease);
}
.resource:hover { border-color: var(--brand-line); }
.resource__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--brand-dim);
  border: 1px solid var(--brand-line);
  color: var(--brand);
}
.resource__icon svg { width: 24px; height: 24px; }
.resource__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--faint);
}
.resource__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-block: var(--sp-2) var(--sp-3);
}
.resource__desc { color: var(--muted); font-size: 0.9688rem; max-width: 62ch; }
.resource__body .card__list { margin-top: var(--sp-5) !important; }
.resource__cta { display: grid; gap: var(--sp-3); justify-items: start; }
.resource__badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: var(--brand-dim);
  border: 1px solid var(--brand-line);
  color: var(--brand-hi);
}

@media (max-width: 900px) {
  .resource { grid-template-columns: auto minmax(0, 1fr); }
  .resource__cta { grid-column: 1 / -1; justify-items: stretch; }
}

/* --- Kanal etiketleri (sayfa içi atlama) --------------------------------- */
.chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  color: var(--muted);
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.chip:hover { color: var(--fg); border-color: var(--brand-line); background: var(--brand-dim); }

/* Aktif durum sahte değil: kaydırdıkça o an görünen bölümün etiketi işaretlenir (main.js) */
.chip.is-active {
  color: var(--brand-hi);
  border-color: var(--brand-line);
  background: var(--brand-dim);
}
.chip.is-active::before {
  content: "";
  width: 5px; height: 5px;
  margin-right: var(--sp-2);
  border-radius: 50%;
  background: var(--brand);
}

/* --- Fiyat kartı --------------------------------------------------------- */
.price {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
}
.price--featured { border-color: var(--brand-line); background: radial-gradient(ellipse 90% 60% at 50% 0%, rgba(0, 168, 98, 0.08), transparent), var(--surface); }
.price__badge {
  align-self: flex-start;
  font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 11px; border-radius: var(--radius-pill);
  background: var(--brand); color: var(--brand-ink);
  margin-bottom: var(--sp-4);
}
.price__name { font-family: var(--font-display); font-size: 1.375rem; font-weight: 600; }
.price__for { color: var(--muted); font-size: 0.9375rem; margin-top: var(--sp-2); }
.price__amount {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-block: var(--sp-6) var(--sp-6);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--border-soft);
  font-variant-numeric: tabular-nums;
}
.price__amount small {
  display: block;
  margin-top: var(--sp-2);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--muted);
  font-family: var(--font-body);
  letter-spacing: 0;
}
.price .card__list { flex: 1; margin-bottom: var(--sp-6); }

/* --- Yardımcılar --------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .6s var(--ease); }

.skip-link {
  position: absolute; left: var(--sp-4); top: -80px;
  z-index: var(--z-overlay);
  padding: var(--sp-3) var(--sp-5);
  background: var(--brand); color: var(--brand-ink);
  border-radius: 10px; font-weight: 600;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: var(--sp-4); }

.todo {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--warn);
  border: 1px dashed rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.07);
  padding: 2px 7px;
  border-radius: 6px;
  white-space: nowrap;
}

.mt-8 { margin-top: var(--sp-8); }
.mt-12 { margin-top: var(--sp-12); }
.center { text-align: center; }

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .offer { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__about { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 76px; }
  .nav__inner { min-height: 68px; }
  .nav__toggle { display: inline-flex; }
  .nav__cta .btn { display: none; }

  .nav__links {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-4) var(--sp-6) var(--sp-8);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  }
  .nav__links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__links a { min-height: 52px; font-size: 1.0625rem; border-bottom: 1px solid var(--border-soft); border-radius: 0; }
  .nav__links .btn { margin-top: var(--sp-4); }
  .nav__links .btn.btn--primary { display: inline-flex; color: var(--brand-ink); }

  .btn-row .btn { width: 100%; }
  .step { grid-template-columns: 1fr; gap: var(--sp-4); }
  .case__result { grid-template-columns: 1fr; gap: var(--sp-3); }
  .case__arrow { transform: rotate(90deg); }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .footer__grid { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .card { padding: var(--sp-6); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}