/* =========================================================================
   ÇİZGİ REKLAM — Tasarım Sistemi Tokenları
   Renk + Tipografi temel değişkenleri.
   3 renk yönü mevcut (A/B/C); body'ye .dir-a / .dir-b / .dir-c ile uygulanır.
   Varsayılan: yön A (Lacivert / Nokta Kırmızı).
   ========================================================================= */

/* -------- Web Fonts (Google Fonts) -------- */
@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&family=Fraunces:ital,wght@0,300;0,400;0,500;1,300;1,400&family=JetBrains+Mono:wght@400;500&display=swap");

/* =========================================================================
   1. GENEL (yön bağımsız) — tipografi, spacing, radii, motion
   ========================================================================= */
:root {
  /* Type families */
  --ff-display: "Manrope", "Helvetica Neue", Arial, sans-serif;
  --ff-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --ff-editorial: "Fraunces", "Times New Roman", serif;
  --ff-mono: "JetBrains Mono", ui-monospace, "Courier New", monospace;

  /* Type scale (modular, fluid where useful) */
  --fs-display-xl: clamp(2.75rem, 5vw + 1rem, 5.25rem); /* hero */
  --fs-display-lg: clamp(2.25rem, 3.5vw + 1rem, 3.75rem);
  --fs-display-md: clamp(1.75rem, 2vw + 1rem, 2.5rem);
  --fs-h1: clamp(2rem, 1.5vw + 1.25rem, 2.75rem);
  --fs-h2: clamp(1.625rem, 1vw + 1.125rem, 2.125rem);
  --fs-h3: 1.375rem; /* 22px */
  --fs-h4: 1.125rem; /* 18px */
  --fs-eyebrow: 0.8125rem; /* 13px */
  --fs-body-lg: 1.125rem; /* 18px */
  --fs-body: 1rem; /* 16px */
  --fs-body-sm: 0.9375rem; /* 15px */
  --fs-caption: 0.8125rem; /* 13px */
  --fs-micro: 0.75rem; /* 12px */

  /* Line height */
  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-normal: 1.5;
  --lh-loose: 1.65;

  /* Letter spacing */
  --ls-tight: -0.02em;
  --ls-display: -0.015em;
  --ls-body: 0;
  --ls-eyebrow: 0.14em; /* uppercase eyebrows */

  /* Weight */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 800;

  /* Spacing (4px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;
  --sp-10: 128px;
  --sp-11: 192px;

  /* Layout */
  --container-max: 1280px;
  --container-pad-mobile: 24px;
  --container-pad-desktop: 80px;
  --header-h: 80px;
  --header-h-scrolled: 64px;

  /* Radii — KURUMSAL: hep 0 */
  --radius-0: 0;
  --radius-pill: 9999px; /* sadece avatar / nokta gibi */

  /* Borders */
  --bw-hairline: 1px;
  --bw-thick: 2px;

  /* Shadow — sadece overlay/dropdown için */
  --shadow-overlay: 0 4px 16px rgba(14, 39, 66, 0.08);
  --shadow-overlay-strong: 0 8px 32px rgba(14, 39, 66, 0.12);

  /* Motion */
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur-instant: 100ms;
  --dur-fast: 150ms;
  --dur-base: 300ms;
  --dur-slow: 600ms;
}

/* =========================================================================
   2. RENK YÖNLERİ
   ========================================================================= */

/* ----- Lacivert / Nokta Kırmızı (resmi marka paleti) ----- */
:root {
  /* Brand */
  --brand-primary: #0e2742; /* Lacivert */
  --brand-primary-deep: #08182a;
  --brand-primary-soft: #1a3a5e;
  --brand-accent: #c8362f; /* Nokta kırmızı */
  --brand-accent-deep: #9c241e;

  /* Surface (zemin) */
  --bg-1: #f7f7f7; /* Açık gri zemin */
  --bg-2: #ffffff; /* Saf beyaz - kart, modal */
  --bg-3: #ece6dc; /* Krem-2, alt-bölüm */
  --bg-inverse: #0e2742; /* Lacivert bölüm */
  --bg-inverse-2: #08182a;

  /* Foreground (metin) */
  --fg-1: #141a22; /* Birincil metin (mürekkep siyahı) */
  --fg-2: #4a5260; /* İkincil metin */
  --fg-3: #8a8e96; /* Üçüncül / caption */
  --fg-on-inverse: #f6f2ec; /* Lacivert üzerinde metin */
  --fg-on-inverse-2: #b6bdc7;

  /* Line / border */
  --line-1: #d8cfbf; /* Hairline ayraç */
  --line-2: #2c3a4a; /* Koyu zeminde hairline */
  --line-strong: #141a22;

  /* Status (semantik) */
  --status-success: #2c6e49;
  --status-warning: #b87c1d;
  --status-error: #c8362f;
  --status-info: #0e2742;

  /* Selection */
  --selection-bg: #c8362f;
  --selection-fg: #ffffff;
}

/* ----- (Arşiv) Yön C — Mürekkep yeşili / Nane — yön A onaylandı, kullanılmıyor ----- */
.dir-c-archived {
  --brand-primary: #0f2a26;
  --brand-primary-deep: #061614;
  --brand-primary-soft: #1c403a;
  --brand-accent: #7cb9a8;
  --brand-accent-deep: #4d8d7c;

  --bg-1: #f0ede6;
  --bg-2: #ffffff;
  --bg-3: #e3dfd5;
  --bg-inverse: #0f2a26;
  --bg-inverse-2: #061614;

  --fg-1: #0f2a26;
  --fg-2: #43524e;
  --fg-3: #7c8884;
  --fg-on-inverse: #f0ede6;
  --fg-on-inverse-2: #aab8b3;

  --line-1: #d2cdbf;
  --line-2: #1c403a;
  --line-strong: #0f2a26;

  --status-success: #4d8d7c;
  --status-warning: #b87c1d;
  --status-error: #a83a2c;
  --status-info: #0f2a26;

  --selection-bg: #7cb9a8;
  --selection-fg: #0f2a26;
}

/* =========================================================================
   3. SEMANTİK STİLLER (kullanıma hazır class'lar)
   ========================================================================= */

/* base */
html {
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: var(--lh-normal);
  color: var(--fg-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  margin: 0;
  font-feature-settings: "kern", "liga", "calt";
}
::selection {
  background: var(--selection-bg);
  color: var(--selection-fg);
}

/* Display (hero) */
.display-xl,
h1.display {
  font-family: var(--ff-display);
  font-size: var(--fs-display-xl);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  font-weight: var(--fw-bold);
  color: var(--fg-1);
  margin: 0;
  text-wrap: balance;
}
.display-lg {
  font-family: var(--ff-display);
  font-size: var(--fs-display-lg);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  font-weight: var(--fw-bold);
  text-wrap: balance;
}
.display-md {
  font-family: var(--ff-display);
  font-size: var(--fs-display-md);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-display);
  font-weight: var(--fw-bold);
}

/* Headings */
h1,
.h1 {
  font-family: var(--ff-display);
  font-size: var(--fs-h1);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-display);
  font-weight: var(--fw-bold);
  color: var(--fg-1);
  margin: 0 0 var(--sp-4);
  text-wrap: balance;
}
h2,
.h2 {
  font-family: var(--ff-display);
  font-size: var(--fs-h2);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-display);
  font-weight: var(--fw-bold);
  color: var(--fg-1);
  margin: 0 0 var(--sp-3);
  text-wrap: balance;
}
h3,
.h3 {
  font-family: var(--ff-display);
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  font-weight: var(--fw-semibold);
  color: var(--fg-1);
  margin: 0 0 var(--sp-3);
}
h4,
.h4 {
  font-family: var(--ff-display);
  font-size: var(--fs-h4);
  line-height: var(--lh-snug);
  font-weight: var(--fw-semibold);
  color: var(--fg-1);
  margin: 0 0 var(--sp-2);
}

/* Eyebrow / kicker */
.eyebrow {
  font-family: var(--ff-display);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  font-weight: var(--fw-semibold);
  color: var(--brand-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

/* Body */
p,
.body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: var(--lh-loose);
  color: var(--fg-2);
  margin: 0 0 var(--sp-4);
  max-width: 65ch;
}
.body-lg {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-loose);
  color: var(--fg-2);
}
.body-sm,
small {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-normal);
}
.caption {
  font-size: var(--fs-caption);
  color: var(--fg-3);
  line-height: var(--lh-normal);
}

/* Editorial — sadece tagline & büyük alıntı */
.editorial {
  font-family: var(--ff-editorial);
  font-style: italic;
  font-weight: 300;
  letter-spacing: var(--ls-tight);
  color: var(--fg-1);
}

/* Mono / code */
code,
.mono {
  font-family: var(--ff-mono);
  font-size: 0.9em;
  background: var(--bg-3);
  padding: 2px 6px;
}

/* Link */
a {
  color: var(--fg-1);
  text-decoration: none;
  border-bottom: 1px solid var(--line-1);
  transition: color var(--dur-fast) var(--ease-standard),
    border-color var(--dur-fast) var(--ease-standard);
}
a:hover {
  color: var(--brand-accent);
  border-bottom-color: var(--brand-accent);
}

/* Çizgi motifi yardımcıları */
.rule-h {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--line-1);
  border: 0;
  margin: var(--sp-7) 0;
}
.rule-bracket {
  display: inline-block;
  width: 48px;
  height: 1px;
  background: var(--brand-accent);
  vertical-align: middle;
  margin-right: var(--sp-3);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad-mobile);
  padding-right: var(--container-pad-mobile);
}
@media (min-width: 768px) {
  .container {
    padding-left: var(--container-pad-desktop);
    padding-right: var(--container-pad-desktop);
  }
}

/* Section */
.section {
  padding: var(--sp-9) 0;
}
@media (min-width: 768px) {
  .section {
    padding: var(--sp-10) 0;
  }
}
.section--inverse {
  background: var(--bg-inverse);
  color: var(--fg-on-inverse);
}
.section--inverse h1,
.section--inverse h2,
.section--inverse h3,
.section--inverse h4,
.section--inverse p {
  color: var(--fg-on-inverse);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--ff-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body-sm);
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-0);
  cursor: pointer;
  transition: filter var(--dur-fast) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard),
    background var(--dur-fast) var(--ease-standard),
    color var(--dur-fast) var(--ease-standard);
  text-decoration: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn:hover {
  filter: brightness(0.94);
}
.btn:active {
  transform: translateY(1px);
}
.btn--primary {
  background: var(--brand-primary);
  color: var(--fg-on-inverse);
  border-color: var(--brand-primary);
}
.btn--accent {
  background: var(--brand-accent);
  color: #fff;
  border-color: var(--brand-accent);
}
.btn--outline {
  background: transparent;
  color: var(--fg-1);
  border-color: var(--line-strong);
}
.btn--ghost {
  background: transparent;
  color: var(--fg-1);
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--bg-3);
  filter: none;
}
.btn--lg {
  padding: 18px 32px;
  font-size: var(--fs-body);
}
.btn--sm {
  padding: 10px 16px;
  font-size: var(--fs-caption);
}

/* Input */
.input,
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--fg-1);
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  border-radius: 0;
  padding: 14px 16px;
  width: 100%;
  transition: border-color var(--dur-fast) var(--ease-standard);
}
.input:focus,
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
}

/* Card */
.card {
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  padding: var(--sp-6);
  transition: border-color var(--dur-base) var(--ease-standard);
}
.card:hover {
  border-color: var(--line-strong);
}

/* Tag / Pill (filter chip) */
.tag {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  padding: 6px 14px;
  background: transparent;
  color: var(--fg-2);
  border: 1px solid var(--line-1);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-standard);
}
.tag:hover {
  border-color: var(--fg-1);
  color: var(--fg-1);
}
.tag--active {
  background: var(--fg-1);
  color: var(--bg-1);
  border-color: var(--fg-1);
}